diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 314d9ad5..4170ecc3 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -110,7 +110,7 @@ jobs:
     - name: Download ROM & CC:T
       run: |
         sudo git clone https://github.com/MCJack123/craftos2-rom /usr/local/share/craftos
-        git clone --branch v1.20.1-1.109.2 https://github.com/cc-tweaked/CC-Tweaked ../CC-Tweaked
+        git clone --branch v1.20.1-1.110.2 https://github.com/cc-tweaked/CC-Tweaked ../CC-Tweaked
         patch -p1 -d ../CC-Tweaked < resources/CCT-Tests.patch
     - name: Install dependencies
       run: |
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 13e48a2f..f31202db 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -164,6 +164,7 @@ jobs:
       run: |
         git config --global user.name "GitHub Actions"
         git config --global user.email "<>"
+        git add .
         git commit -m $GITHUB_REF
         git push origin master
 
diff --git a/.vscode/settings.json b/.vscode/settings.json
index 4a73dea9..7b2e59a1 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -90,7 +90,7 @@
         "valarray": "cpp",
         "csetjmp": "cpp"
     },
-    "C_Cpp.default.cppStandard": "c++14",
+    "C_Cpp.default.cppStandard": "c++17",
     "C_Cpp.default.cStandard": "c11",
     "lldb.displayFormat": "auto",
     "lldb.showDisassembly": "auto",
diff --git a/api/generic_peripheral/inventory.hpp b/api/generic_peripheral/inventory.hpp
index 054f83e9..ccab8e6c 100644
--- a/api/generic_peripheral/inventory.hpp
+++ b/api/generic_peripheral/inventory.hpp
@@ -68,7 +68,7 @@ class inventory : public peripheral {
             else src = p, dest = this;
 
             if (fromSlot < 1 || fromSlot > src->size()) return luaL_error(L, "From slot out of range (between 1 and %d)", src->size());
-            if (!lua_isnil(L, 4) && (toSlot < 1 || toSlot > dest->size())) return luaL_error(L, "To slot out of range (between 1 and %d)", dest->size());
+            if (!lua_isnoneornil(L, 4) && (toSlot < 1 || toSlot > dest->size())) return luaL_error(L, "To slot out of range (between 1 and %d)", dest->size());
             if (limit <= 0) {
                 lua_pushinteger(L, 0);
                 return 1;
@@ -103,4 +103,4 @@ class inventory : public peripheral {
     }
 };
 
-#endif
\ No newline at end of file
+#endif
diff --git a/configure b/configure
index f32e6bc0..9590f022 100755
--- a/configure
+++ b/configure
@@ -3,8 +3,7 @@
 # Generated by GNU Autoconf 2.71 for CraftOS-PC Accelerated 2.6.
 #
 #
-# Copyright (C) 1992-1996, 1998-2017, 2020-2021 Free Software Foundation,
-# Inc.
+# Copyright (C) 1992-1996, 1998-2012 Free Software Foundation, Inc.
 #
 #
 # This configure script is free software; the Free Software Foundation
@@ -15,16 +14,14 @@
 
 # Be more Bourne compatible
 DUALCASE=1; export DUALCASE # for MKS sh
-as_nop=:
-if test ${ZSH_VERSION+y} && (emulate sh) >/dev/null 2>&1
-then :
+if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then :
   emulate sh
   NULLCMD=:
   # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which
   # is contrary to our usage.  Disable this feature.
   alias -g '${1+"$@"}'='"$@"'
   setopt NO_GLOB_SUBST
-else $as_nop
+else
   case `(set -o) 2>/dev/null` in #(
   *posix*) :
     set -o posix ;; #(
@@ -34,46 +31,46 @@ esac
 fi
 
 
-
-# Reset variables that may have inherited troublesome values from
-# the environment.
-
-# IFS needs to be set, to space, tab, and newline, in precisely that order.
-# (If _AS_PATH_WALK were called with IFS unset, it would have the
-# side effect of setting IFS to empty, thus disabling word splitting.)
-# Quoting is to prevent editors from complaining about space-tab.
 as_nl='
 '
 export as_nl
-IFS=" ""	$as_nl"
-
-PS1='$ '
-PS2='> '
-PS4='+ '
-
-# Ensure predictable behavior from utilities with locale-dependent output.
-LC_ALL=C
-export LC_ALL
-LANGUAGE=C
-export LANGUAGE
-
-# We cannot yet rely on "unset" to work, but we need these variables
-# to be unset--not just set to an empty or harmless value--now, to
-# avoid bugs in old shells (e.g. pre-3.0 UWIN ksh).  This construct
-# also avoids known problems related to "unset" and subshell syntax
-# in other old shells (e.g. bash 2.01 and pdksh 5.2.14).
-for as_var in BASH_ENV ENV MAIL MAILPATH CDPATH
-do eval test \${$as_var+y} \
-  && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || :
-done
-
-# Ensure that fds 0, 1, and 2 are open.
-if (exec 3>&0) 2>/dev/null; then :; else exec 0</dev/null; fi
-if (exec 3>&1) 2>/dev/null; then :; else exec 1>/dev/null; fi
-if (exec 3>&2)            ; then :; else exec 2>/dev/null; fi
+# Printing a long string crashes Solaris 7 /usr/bin/printf.
+as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'
+as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo
+as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo
+# Prefer a ksh shell builtin over an external printf program on Solaris,
+# but without wasting forks for bash or zsh.
+if test -z "$BASH_VERSION$ZSH_VERSION" \
+    && (test "X`print -r -- $as_echo`" = "X$as_echo") 2>/dev/null; then
+  as_echo='print -r --'
+  as_echo_n='print -rn --'
+elif (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then
+  as_echo='printf %s\n'
+  as_echo_n='printf %s'
+else
+  if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then
+    as_echo_body='eval /usr/ucb/echo -n "$1$as_nl"'
+    as_echo_n='/usr/ucb/echo -n'
+  else
+    as_echo_body='eval expr "X$1" : "X\\(.*\\)"'
+    as_echo_n_body='eval
+      arg=$1;
+      case $arg in #(
+      *"$as_nl"*)
+	expr "X$arg" : "X\\(.*\\)$as_nl";
+	arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;;
+      esac;
+      expr "X$arg" : "X\\(.*\\)" | tr -d "$as_nl"
+    '
+    export as_echo_n_body
+    as_echo_n='sh -c $as_echo_n_body as_echo'
+  fi
+  export as_echo_body
+  as_echo='sh -c $as_echo_body as_echo'
+fi
 
 # The user is always right.
-if ${PATH_SEPARATOR+false} :; then
+if test "${PATH_SEPARATOR+set}" != set; then
   PATH_SEPARATOR=:
   (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && {
     (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 ||
@@ -82,6 +79,13 @@ if ${PATH_SEPARATOR+false} :; then
 fi
 
 
+# IFS
+# We need space, tab and new line, in precisely that order.  Quoting is
+# there to prevent editors from complaining about space-tab.
+# (If _AS_PATH_WALK were called with IFS unset, it would disable word
+# splitting by setting IFS to empty value.)
+IFS=" ""	$as_nl"
+
 # Find who we are.  Look in the path if we contain no directory separator.
 as_myself=
 case $0 in #((
@@ -90,12 +94,8 @@ case $0 in #((
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  case $as_dir in #(((
-    '') as_dir=./ ;;
-    */) ;;
-    *) as_dir=$as_dir/ ;;
-  esac
-    test -r "$as_dir$0" && as_myself=$as_dir$0 && break
+  test -z "$as_dir" && as_dir=.
+    test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break
   done
 IFS=$as_save_IFS
 
@@ -107,10 +107,30 @@ if test "x$as_myself" = x; then
   as_myself=$0
 fi
 if test ! -f "$as_myself"; then
-  printf "%s\n" "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
+  $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
   exit 1
 fi
 
+# Unset variables that we do not need and which cause bugs (e.g. in
+# pre-3.0 UWIN ksh).  But do not cause bugs in bash 2.01; the "|| exit 1"
+# suppresses any "Segmentation fault" message there.  '((' could
+# trigger a bug in pdksh 5.2.14.
+for as_var in BASH_ENV ENV MAIL MAILPATH
+do eval test x\${$as_var+set} = xset \
+  && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || :
+done
+PS1='$ '
+PS2='> '
+PS4='+ '
+
+# NLS nuisances.
+LC_ALL=C
+export LC_ALL
+LANGUAGE=C
+export LANGUAGE
+
+# CDPATH.
+(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
 
 # Use a proper internal environment variable to ensure we don't fall
   # into an infinite loop, continuously re-executing ourselves.
@@ -132,22 +152,20 @@ esac
 exec $CONFIG_SHELL $as_opts "$as_myself" ${1+"$@"}
 # Admittedly, this is quite paranoid, since all the known shells bail
 # out after a failed `exec'.
-printf "%s\n" "$0: could not re-execute with $CONFIG_SHELL" >&2
-exit 255
+$as_echo "$0: could not re-execute with $CONFIG_SHELL" >&2
+as_fn_exit 255
   fi
   # We don't want this to propagate to other subprocesses.
           { _as_can_reexec=; unset _as_can_reexec;}
 if test "x$CONFIG_SHELL" = x; then
-  as_bourne_compatible="as_nop=:
-if test \${ZSH_VERSION+y} && (emulate sh) >/dev/null 2>&1
-then :
+  as_bourne_compatible="if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then :
   emulate sh
   NULLCMD=:
   # Pre-4.2 versions of Zsh do word splitting on \${1+\"\$@\"}, which
   # is contrary to our usage.  Disable this feature.
   alias -g '\${1+\"\$@\"}'='\"\$@\"'
   setopt NO_GLOB_SUBST
-else \$as_nop
+else
   case \`(set -o) 2>/dev/null\` in #(
   *posix*) :
     set -o posix ;; #(
@@ -167,52 +185,42 @@ as_fn_success || { exitcode=1; echo as_fn_success failed.; }
 as_fn_failure && { exitcode=1; echo as_fn_failure succeeded.; }
 as_fn_ret_success || { exitcode=1; echo as_fn_ret_success failed.; }
 as_fn_ret_failure && { exitcode=1; echo as_fn_ret_failure succeeded.; }
-if ( set x; as_fn_ret_success y && test x = \"\$1\" )
-then :
+if ( set x; as_fn_ret_success y && test x = \"\$1\" ); then :
 
-else \$as_nop
+else
   exitcode=1; echo positional parameters were not saved.
 fi
 test x\$exitcode = x0 || exit 1
-blah=\$(echo \$(echo blah))
-test x\"\$blah\" = xblah || exit 1
 test -x / || exit 1"
   as_suggested="  as_lineno_1=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_1a=\$LINENO
   as_lineno_2=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_2a=\$LINENO
   eval 'test \"x\$as_lineno_1'\$as_run'\" != \"x\$as_lineno_2'\$as_run'\" &&
-  test \"x\`expr \$as_lineno_1'\$as_run' + 1\`\" = \"x\$as_lineno_2'\$as_run'\"' || exit 1"
-  if (eval "$as_required") 2>/dev/null
-then :
+  test \"x\`expr \$as_lineno_1'\$as_run' + 1\`\" = \"x\$as_lineno_2'\$as_run'\"' || exit 1
+test \$(( 1 + 1 )) = 2 || exit 1"
+  if (eval "$as_required") 2>/dev/null; then :
   as_have_required=yes
-else $as_nop
+else
   as_have_required=no
 fi
-  if test x$as_have_required = xyes && (eval "$as_suggested") 2>/dev/null
-then :
+  if test x$as_have_required = xyes && (eval "$as_suggested") 2>/dev/null; then :
 
-else $as_nop
+else
   as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 as_found=false
 for as_dir in /bin$PATH_SEPARATOR/usr/bin$PATH_SEPARATOR$PATH
 do
   IFS=$as_save_IFS
-  case $as_dir in #(((
-    '') as_dir=./ ;;
-    */) ;;
-    *) as_dir=$as_dir/ ;;
-  esac
+  test -z "$as_dir" && as_dir=.
   as_found=:
   case $as_dir in #(
 	 /*)
 	   for as_base in sh bash ksh sh5; do
 	     # Try only shells that exist, to save several forks.
-	     as_shell=$as_dir$as_base
+	     as_shell=$as_dir/$as_base
 	     if { test -f "$as_shell" || test -f "$as_shell.exe"; } &&
-		    as_run=a "$as_shell" -c "$as_bourne_compatible""$as_required" 2>/dev/null
-then :
+		    { $as_echo "$as_bourne_compatible""$as_required" | as_run=a "$as_shell"; } 2>/dev/null; then :
   CONFIG_SHELL=$as_shell as_have_required=yes
-		   if as_run=a "$as_shell" -c "$as_bourne_compatible""$as_suggested" 2>/dev/null
-then :
+		   if { $as_echo "$as_bourne_compatible""$as_suggested" | as_run=a "$as_shell"; } 2>/dev/null; then :
   break 2
 fi
 fi
@@ -220,21 +228,14 @@ fi
        esac
   as_found=false
 done
-IFS=$as_save_IFS
-if $as_found
-then :
-
-else $as_nop
-  if { test -f "$SHELL" || test -f "$SHELL.exe"; } &&
-	      as_run=a "$SHELL" -c "$as_bourne_compatible""$as_required" 2>/dev/null
-then :
+$as_found || { if { test -f "$SHELL" || test -f "$SHELL.exe"; } &&
+	      { $as_echo "$as_bourne_compatible""$as_required" | as_run=a "$SHELL"; } 2>/dev/null; then :
   CONFIG_SHELL=$SHELL as_have_required=yes
-fi
-fi
+fi; }
+IFS=$as_save_IFS
 
 
-      if test "x$CONFIG_SHELL" != x
-then :
+      if test "x$CONFIG_SHELL" != x; then :
   export CONFIG_SHELL
              # We cannot yet assume a decent shell, so we have to provide a
 # neutralization value for shells without unset; and this also
@@ -252,19 +253,18 @@ esac
 exec $CONFIG_SHELL $as_opts "$as_myself" ${1+"$@"}
 # Admittedly, this is quite paranoid, since all the known shells bail
 # out after a failed `exec'.
-printf "%s\n" "$0: could not re-execute with $CONFIG_SHELL" >&2
+$as_echo "$0: could not re-execute with $CONFIG_SHELL" >&2
 exit 255
 fi
 
-    if test x$as_have_required = xno
-then :
-  printf "%s\n" "$0: This script requires a shell more modern than all"
-  printf "%s\n" "$0: the shells that I found on your system."
-  if test ${ZSH_VERSION+y} ; then
-    printf "%s\n" "$0: In particular, zsh $ZSH_VERSION has bugs and should"
-    printf "%s\n" "$0: be upgraded to zsh 4.3.4 or later."
+    if test x$as_have_required = xno; then :
+  $as_echo "$0: This script requires a shell more modern than all"
+  $as_echo "$0: the shells that I found on your system."
+  if test x${ZSH_VERSION+set} = xset ; then
+    $as_echo "$0: In particular, zsh $ZSH_VERSION has bugs and should"
+    $as_echo "$0: be upgraded to zsh 4.3.4 or later."
   else
-    printf "%s\n" "$0: Please tell bug-autoconf@gnu.org about your system,
+    $as_echo "$0: Please tell bug-autoconf@gnu.org about your system,
 $0: including any error possibly output before this
 $0: message. Then install a modern shell, or manually run
 $0: the script under such a shell if you do have one."
@@ -291,7 +291,6 @@ as_fn_unset ()
 }
 as_unset=as_fn_unset
 
-
 # as_fn_set_status STATUS
 # -----------------------
 # Set $? to STATUS, without forking.
@@ -309,14 +308,6 @@ as_fn_exit ()
   as_fn_set_status $1
   exit $1
 } # as_fn_exit
-# as_fn_nop
-# ---------
-# Do nothing but, unlike ":", preserve the value of $?.
-as_fn_nop ()
-{
-  return $?
-}
-as_nop=as_fn_nop
 
 # as_fn_mkdir_p
 # -------------
@@ -331,7 +322,7 @@ as_fn_mkdir_p ()
     as_dirs=
     while :; do
       case $as_dir in #(
-      *\'*) as_qdir=`printf "%s\n" "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'(
+      *\'*) as_qdir=`$as_echo "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'(
       *) as_qdir=$as_dir;;
       esac
       as_dirs="'$as_qdir' $as_dirs"
@@ -340,7 +331,7 @@ $as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
 	 X"$as_dir" : 'X\(//\)[^/]' \| \
 	 X"$as_dir" : 'X\(//\)$' \| \
 	 X"$as_dir" : 'X\(/\)' \| . 2>/dev/null ||
-printf "%s\n" X"$as_dir" |
+$as_echo X"$as_dir" |
     sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
 	    s//\1/
 	    q
@@ -379,13 +370,12 @@ as_fn_executable_p ()
 # advantage of any shell optimizations that allow amortized linear growth over
 # repeated appends, instead of the typical quadratic growth present in naive
 # implementations.
-if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null
-then :
+if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null; then :
   eval 'as_fn_append ()
   {
     eval $1+=\$2
   }'
-else $as_nop
+else
   as_fn_append ()
   {
     eval $1=\$$1\$2
@@ -397,27 +387,18 @@ fi # as_fn_append
 # Perform arithmetic evaluation on the ARGs, and store the result in the
 # global $as_val. Take advantage of shells that can avoid forks. The arguments
 # must be portable across $(()) and expr.
-if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null
-then :
+if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null; then :
   eval 'as_fn_arith ()
   {
     as_val=$(( $* ))
   }'
-else $as_nop
+else
   as_fn_arith ()
   {
     as_val=`expr "$@" || test $? -eq 1`
   }
 fi # as_fn_arith
 
-# as_fn_nop
-# ---------
-# Do nothing but, unlike ":", preserve the value of $?.
-as_fn_nop ()
-{
-  return $?
-}
-as_nop=as_fn_nop
 
 # as_fn_error STATUS ERROR [LINENO LOG_FD]
 # ----------------------------------------
@@ -429,9 +410,9 @@ as_fn_error ()
   as_status=$1; test $as_status -eq 0 && as_status=1
   if test "$4"; then
     as_lineno=${as_lineno-"$3"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-    printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: $2" >&$4
+    $as_echo "$as_me:${as_lineno-$LINENO}: error: $2" >&$4
   fi
-  printf "%s\n" "$as_me: error: $2" >&2
+  $as_echo "$as_me: error: $2" >&2
   as_fn_exit $as_status
 } # as_fn_error
 
@@ -458,7 +439,7 @@ as_me=`$as_basename -- "$0" ||
 $as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
 	 X"$0" : 'X\(//\)$' \| \
 	 X"$0" : 'X\(/\)' \| . 2>/dev/null ||
-printf "%s\n" X/"$0" |
+$as_echo X/"$0" |
     sed '/^.*\/\([^/][^/]*\)\/*$/{
 	    s//\1/
 	    q
@@ -502,7 +483,7 @@ as_cr_alnum=$as_cr_Letters$as_cr_digits
       s/-\n.*//
     ' >$as_me.lineno &&
   chmod +x "$as_me.lineno" ||
-    { printf "%s\n" "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2; as_fn_exit 1; }
+    { $as_echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2; as_fn_exit 1; }
 
   # If we had to re-execute with $CONFIG_SHELL, we're ensured to have
   # already done that, so ensure we don't try to do so again and fall
@@ -516,10 +497,6 @@ as_cr_alnum=$as_cr_Letters$as_cr_digits
   exit
 }
 
-
-# Determine whether it's possible to make 'echo' print without a newline.
-# These variables are no longer used directly by Autoconf, but are AC_SUBSTed
-# for compatibility with existing Makefiles.
 ECHO_C= ECHO_N= ECHO_T=
 case `echo -n x` in #(((((
 -n*)
@@ -533,13 +510,6 @@ case `echo -n x` in #(((((
   ECHO_N='-n';;
 esac
 
-# For backward compatibility with old third-party macros, we provide
-# the shell variables $as_echo and $as_echo_n.  New code should use
-# AS_ECHO(["message"]) and AS_ECHO_N(["message"]), respectively.
-as_echo='printf %s\n'
-as_echo_n='printf %s'
-
-
 rm -f conf$$ conf$$.exe conf$$.file
 if test -d conf$$.dir; then
   rm -f conf$$.dir/conf$$.file
@@ -615,41 +585,48 @@ PACKAGE_URL=''
 ac_unique_file="src/main.cpp"
 # Factoring default headers for most tests.
 ac_includes_default="\
-#include <stddef.h>
-#ifdef HAVE_STDIO_H
-# include <stdio.h>
+#include <stdio.h>
+#ifdef HAVE_SYS_TYPES_H
+# include <sys/types.h>
+#endif
+#ifdef HAVE_SYS_STAT_H
+# include <sys/stat.h>
 #endif
-#ifdef HAVE_STDLIB_H
+#ifdef STDC_HEADERS
 # include <stdlib.h>
+# include <stddef.h>
+#else
+# ifdef HAVE_STDLIB_H
+#  include <stdlib.h>
+# endif
 #endif
 #ifdef HAVE_STRING_H
+# if !defined STDC_HEADERS && defined HAVE_MEMORY_H
+#  include <memory.h>
+# endif
 # include <string.h>
 #endif
+#ifdef HAVE_STRINGS_H
+# include <strings.h>
+#endif
 #ifdef HAVE_INTTYPES_H
 # include <inttypes.h>
 #endif
 #ifdef HAVE_STDINT_H
 # include <stdint.h>
 #endif
-#ifdef HAVE_STRINGS_H
-# include <strings.h>
-#endif
-#ifdef HAVE_SYS_TYPES_H
-# include <sys/types.h>
-#endif
-#ifdef HAVE_SYS_STAT_H
-# include <sys/stat.h>
-#endif
 #ifdef HAVE_UNISTD_H
 # include <unistd.h>
 #endif"
 
-ac_header_cxx_list=
 ac_subst_vars='LTLIBOBJS
 LIBOBJS
 OBJS
 HTTP_TARGET
 OUT_TARGET
+EGREP
+GREP
+CXXCPP
 ac_ct_CXX
 CXXFLAGS
 CXX
@@ -724,7 +701,8 @@ LIBS
 CPPFLAGS
 CXX
 CXXFLAGS
-CCC'
+CCC
+CXXCPP'
 
 
 # Initialize some variables set by options.
@@ -793,6 +771,8 @@ do
   *)    ac_optarg=yes ;;
   esac
 
+  # Accept the important Cygnus configure options, so we can diagnose typos.
+
   case $ac_dashdash$ac_option in
   --)
     ac_dashdash=yes ;;
@@ -833,9 +813,9 @@ do
     ac_useropt=`expr "x$ac_option" : 'x-*disable-\(.*\)'`
     # Reject names that are not valid shell variable names.
     expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
-      as_fn_error $? "invalid feature name: \`$ac_useropt'"
+      as_fn_error $? "invalid feature name: $ac_useropt"
     ac_useropt_orig=$ac_useropt
-    ac_useropt=`printf "%s\n" "$ac_useropt" | sed 's/[-+.]/_/g'`
+    ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
     case $ac_user_opts in
       *"
 "enable_$ac_useropt"
@@ -859,9 +839,9 @@ do
     ac_useropt=`expr "x$ac_option" : 'x-*enable-\([^=]*\)'`
     # Reject names that are not valid shell variable names.
     expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
-      as_fn_error $? "invalid feature name: \`$ac_useropt'"
+      as_fn_error $? "invalid feature name: $ac_useropt"
     ac_useropt_orig=$ac_useropt
-    ac_useropt=`printf "%s\n" "$ac_useropt" | sed 's/[-+.]/_/g'`
+    ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
     case $ac_user_opts in
       *"
 "enable_$ac_useropt"
@@ -1072,9 +1052,9 @@ do
     ac_useropt=`expr "x$ac_option" : 'x-*with-\([^=]*\)'`
     # Reject names that are not valid shell variable names.
     expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
-      as_fn_error $? "invalid package name: \`$ac_useropt'"
+      as_fn_error $? "invalid package name: $ac_useropt"
     ac_useropt_orig=$ac_useropt
-    ac_useropt=`printf "%s\n" "$ac_useropt" | sed 's/[-+.]/_/g'`
+    ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
     case $ac_user_opts in
       *"
 "with_$ac_useropt"
@@ -1088,9 +1068,9 @@ do
     ac_useropt=`expr "x$ac_option" : 'x-*without-\(.*\)'`
     # Reject names that are not valid shell variable names.
     expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
-      as_fn_error $? "invalid package name: \`$ac_useropt'"
+      as_fn_error $? "invalid package name: $ac_useropt"
     ac_useropt_orig=$ac_useropt
-    ac_useropt=`printf "%s\n" "$ac_useropt" | sed 's/[-+.]/_/g'`
+    ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
     case $ac_user_opts in
       *"
 "with_$ac_useropt"
@@ -1134,9 +1114,9 @@ Try \`$0 --help' for more information"
 
   *)
     # FIXME: should be removed in autoconf 3.0.
-    printf "%s\n" "$as_me: WARNING: you should use --build, --host, --target" >&2
+    $as_echo "$as_me: WARNING: you should use --build, --host, --target" >&2
     expr "x$ac_option" : ".*[^-._$as_cr_alnum]" >/dev/null &&
-      printf "%s\n" "$as_me: WARNING: invalid host type: $ac_option" >&2
+      $as_echo "$as_me: WARNING: invalid host type: $ac_option" >&2
     : "${build_alias=$ac_option} ${host_alias=$ac_option} ${target_alias=$ac_option}"
     ;;
 
@@ -1152,7 +1132,7 @@ if test -n "$ac_unrecognized_opts"; then
   case $enable_option_checking in
     no) ;;
     fatal) as_fn_error $? "unrecognized options: $ac_unrecognized_opts" ;;
-    *)     printf "%s\n" "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2 ;;
+    *)     $as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2 ;;
   esac
 fi
 
@@ -1216,7 +1196,7 @@ $as_expr X"$as_myself" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
 	 X"$as_myself" : 'X\(//\)[^/]' \| \
 	 X"$as_myself" : 'X\(//\)$' \| \
 	 X"$as_myself" : 'X\(/\)' \| . 2>/dev/null ||
-printf "%s\n" X"$as_myself" |
+$as_echo X"$as_myself" |
     sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
 	    s//\1/
 	    q
@@ -1375,6 +1355,7 @@ Some influential environment variables:
               you have headers in a nonstandard directory <include dir>
   CXX         C++ compiler command
   CXXFLAGS    C++ compiler flags
+  CXXCPP      C++ preprocessor
 
 Use these variables to override the choices made by `configure' or to help
 it to find libraries and programs with nonstandard names/locations.
@@ -1395,9 +1376,9 @@ if test "$ac_init_help" = "recursive"; then
 case "$ac_dir" in
 .) ac_dir_suffix= ac_top_builddir_sub=. ac_top_build_prefix= ;;
 *)
-  ac_dir_suffix=/`printf "%s\n" "$ac_dir" | sed 's|^\.[\\/]||'`
+  ac_dir_suffix=/`$as_echo "$ac_dir" | sed 's|^\.[\\/]||'`
   # A ".." for each directory in $ac_dir_suffix.
-  ac_top_builddir_sub=`printf "%s\n" "$ac_dir_suffix" | sed 's|/[^\\/]*|/..|g;s|/||'`
+  ac_top_builddir_sub=`$as_echo "$ac_dir_suffix" | sed 's|/[^\\/]*|/..|g;s|/||'`
   case $ac_top_builddir_sub in
   "") ac_top_builddir_sub=. ac_top_build_prefix= ;;
   *)  ac_top_build_prefix=$ac_top_builddir_sub/ ;;
@@ -1425,8 +1406,7 @@ esac
 ac_abs_srcdir=$ac_abs_top_srcdir$ac_dir_suffix
 
     cd "$ac_dir" || { ac_status=$?; continue; }
-    # Check for configure.gnu first; this name is used for a wrapper for
-    # Metaconfig's "Configure" on case-insensitive file systems.
+    # Check for guested configure.
     if test -f "$ac_srcdir/configure.gnu"; then
       echo &&
       $SHELL "$ac_srcdir/configure.gnu" --help=recursive
@@ -1434,7 +1414,7 @@ ac_abs_srcdir=$ac_abs_top_srcdir$ac_dir_suffix
       echo &&
       $SHELL "$ac_srcdir/configure" --help=recursive
     else
-      printf "%s\n" "$as_me: WARNING: no configuration information is in $ac_dir" >&2
+      $as_echo "$as_me: WARNING: no configuration information is in $ac_dir" >&2
     fi || ac_status=$?
     cd "$ac_pwd" || { ac_status=$?; break; }
   done
@@ -1446,7 +1426,7 @@ if $ac_init_version; then
 CraftOS-PC Accelerated configure 2.6
 generated by GNU Autoconf 2.71
 
-Copyright (C) 2021 Free Software Foundation, Inc.
+Copyright (C) 2012 Free Software Foundation, Inc.
 This configure script is free software; the Free Software Foundation
 gives unlimited permission to copy, distribute and modify it.
 _ACEOF
@@ -1463,14 +1443,14 @@ fi
 ac_fn_c_try_compile ()
 {
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  rm -f conftest.$ac_objext conftest.beam
+  rm -f conftest.$ac_objext
   if { { ac_try="$ac_compile"
 case "(($ac_try" in
   *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
   *) ac_try_echo=$ac_try;;
 esac
 eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-printf "%s\n" "$ac_try_echo"; } >&5
+$as_echo "$ac_try_echo"; } >&5
   (eval "$ac_compile") 2>conftest.err
   ac_status=$?
   if test -s conftest.err; then
@@ -1478,15 +1458,14 @@ printf "%s\n" "$ac_try_echo"; } >&5
     cat conftest.er1 >&5
     mv -f conftest.er1 conftest.err
   fi
-  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; } && {
 	 test -z "$ac_c_werror_flag" ||
 	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext
-then :
+       } && test -s conftest.$ac_objext; then :
   ac_retval=0
-else $as_nop
-  printf "%s\n" "$as_me: failed program was:" >&5
+else
+  $as_echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
 	ac_retval=1
@@ -1502,14 +1481,14 @@ fi
 ac_fn_cxx_try_compile ()
 {
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  rm -f conftest.$ac_objext conftest.beam
+  rm -f conftest.$ac_objext
   if { { ac_try="$ac_compile"
 case "(($ac_try" in
   *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
   *) ac_try_echo=$ac_try;;
 esac
 eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-printf "%s\n" "$ac_try_echo"; } >&5
+$as_echo "$ac_try_echo"; } >&5
   (eval "$ac_compile") 2>conftest.err
   ac_status=$?
   if test -s conftest.err; then
@@ -1517,15 +1496,14 @@ printf "%s\n" "$ac_try_echo"; } >&5
     cat conftest.er1 >&5
     mv -f conftest.er1 conftest.err
   fi
-  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; } && {
 	 test -z "$ac_cxx_werror_flag" ||
 	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext
-then :
+       } && test -s conftest.$ac_objext; then :
   ac_retval=0
-else $as_nop
-  printf "%s\n" "$as_me: failed program was:" >&5
+else
+  $as_echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
 	ac_retval=1
@@ -1541,14 +1519,14 @@ fi
 ac_fn_cxx_try_link ()
 {
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  rm -f conftest.$ac_objext conftest.beam conftest$ac_exeext
+  rm -f conftest.$ac_objext conftest$ac_exeext
   if { { ac_try="$ac_link"
 case "(($ac_try" in
   *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
   *) ac_try_echo=$ac_try;;
 esac
 eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-printf "%s\n" "$ac_try_echo"; } >&5
+$as_echo "$ac_try_echo"; } >&5
   (eval "$ac_link") 2>conftest.err
   ac_status=$?
   if test -s conftest.err; then
@@ -1556,18 +1534,17 @@ printf "%s\n" "$ac_try_echo"; } >&5
     cat conftest.er1 >&5
     mv -f conftest.er1 conftest.err
   fi
-  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; } && {
 	 test -z "$ac_cxx_werror_flag" ||
 	 test ! -s conftest.err
        } && test -s conftest$ac_exeext && {
 	 test "$cross_compiling" = yes ||
 	 test -x conftest$ac_exeext
-       }
-then :
+       }; then :
   ac_retval=0
-else $as_nop
-  printf "%s\n" "$as_me: failed program was:" >&5
+else
+  $as_echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
 	ac_retval=1
@@ -1582,6 +1559,172 @@ fi
 
 } # ac_fn_cxx_try_link
 
+# ac_fn_cxx_try_cpp LINENO
+# ------------------------
+# Try to preprocess conftest.$ac_ext, and return whether this succeeded.
+ac_fn_cxx_try_cpp ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  if { { ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.err
+  ac_status=$?
+  if test -s conftest.err; then
+    grep -v '^ *+' conftest.err >conftest.er1
+    cat conftest.er1 >&5
+    mv -f conftest.er1 conftest.err
+  fi
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } > conftest.i && {
+	 test -z "$ac_cxx_preproc_warn_flag$ac_cxx_werror_flag" ||
+	 test ! -s conftest.err
+       }; then :
+  ac_retval=0
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+    ac_retval=1
+fi
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+  as_fn_set_status $ac_retval
+
+} # ac_fn_cxx_try_cpp
+
+# ac_fn_cxx_check_header_mongrel LINENO HEADER VAR INCLUDES
+# ---------------------------------------------------------
+# Tests whether HEADER exists, giving a warning if it cannot be compiled using
+# the include files in INCLUDES and setting the cache variable VAR
+# accordingly.
+ac_fn_cxx_check_header_mongrel ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  if eval \${$3+:} false; then :
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
+$as_echo_n "checking for $2... " >&6; }
+if eval \${$3+:} false; then :
+  $as_echo_n "(cached) " >&6
+fi
+eval ac_res=\$$3
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+else
+  # Is the header compilable?
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking $2 usability" >&5
+$as_echo_n "checking $2 usability... " >&6; }
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$4
+#include <$2>
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"; then :
+  ac_header_compiler=yes
+else
+  ac_header_compiler=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_header_compiler" >&5
+$as_echo "$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking $2 presence" >&5
+$as_echo_n "checking $2 presence... " >&6; }
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <$2>
+_ACEOF
+if ac_fn_cxx_try_cpp "$LINENO"; then :
+  ac_header_preproc=yes
+else
+  ac_header_preproc=no
+fi
+rm -f conftest.err conftest.i conftest.$ac_ext
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_header_preproc" >&5
+$as_echo "$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_cxx_preproc_warn_flag in #((
+  yes:no: )
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: accepted by the compiler, rejected by the preprocessor!" >&5
+$as_echo "$as_me: WARNING: $2: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: proceeding with the compiler's result" >&5
+$as_echo "$as_me: WARNING: $2: proceeding with the compiler's result" >&2;}
+    ;;
+  no:yes:* )
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: present but cannot be compiled" >&5
+$as_echo "$as_me: WARNING: $2: present but cannot be compiled" >&2;}
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2:     check for missing prerequisite headers?" >&5
+$as_echo "$as_me: WARNING: $2:     check for missing prerequisite headers?" >&2;}
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: see the Autoconf documentation" >&5
+$as_echo "$as_me: WARNING: $2: see the Autoconf documentation" >&2;}
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2:     section \"Present But Cannot Be Compiled\"" >&5
+$as_echo "$as_me: WARNING: $2:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: proceeding with the compiler's result" >&5
+$as_echo "$as_me: WARNING: $2: proceeding with the compiler's result" >&2;}
+    ;;
+esac
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
+$as_echo_n "checking for $2... " >&6; }
+if eval \${$3+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  eval "$3=\$ac_header_compiler"
+fi
+eval ac_res=\$$3
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+fi
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+
+} # ac_fn_cxx_check_header_mongrel
+
+# ac_fn_cxx_try_run LINENO
+# ------------------------
+# Try to link conftest.$ac_ext, and return whether this succeeded. Assumes
+# that executables *can* be run.
+ac_fn_cxx_try_run ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  if { { ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_link") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } && { ac_try='./conftest$ac_exeext'
+  { { case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; }; then :
+  ac_retval=0
+else
+  $as_echo "$as_me: program exited with status $ac_status" >&5
+       $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+       ac_retval=$ac_status
+fi
+  rm -rf conftest.dSYM conftest_ipa8_conftest.oo
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+  as_fn_set_status $ac_retval
+
+} # ac_fn_cxx_try_run
+
 # ac_fn_cxx_check_header_compile LINENO HEADER VAR INCLUDES
 # ---------------------------------------------------------
 # Tests whether HEADER exists and can be compiled using the include files in
@@ -1589,51 +1732,29 @@ fi
 ac_fn_cxx_check_header_compile ()
 {
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
-printf %s "checking for $2... " >&6; }
-if eval test \${$3+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
+$as_echo_n "checking for $2... " >&6; }
+if eval \${$3+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 $4
 #include <$2>
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"
-then :
+if ac_fn_cxx_try_compile "$LINENO"; then :
   eval "$3=yes"
-else $as_nop
+else
   eval "$3=no"
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
 eval ac_res=\$$3
-	       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
-printf "%s\n" "$ac_res" >&6; }
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
   eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
 
 } # ac_fn_cxx_check_header_compile
-ac_configure_args_raw=
-for ac_arg
-do
-  case $ac_arg in
-  *\'*)
-    ac_arg=`printf "%s\n" "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
-  esac
-  as_fn_append ac_configure_args_raw " '$ac_arg'"
-done
-
-case $ac_configure_args_raw in
-  *$as_nl*)
-    ac_safe_unquote= ;;
-  *)
-    ac_unsafe_z='|&;<>()$`\\"*?[ ''	' # This string ends in space, tab.
-    ac_unsafe_a="$ac_unsafe_z#~"
-    ac_safe_unquote="s/ '\\([^$ac_unsafe_a][^$ac_unsafe_z]*\\)'/ \\1/g"
-    ac_configure_args_raw=`      printf "%s\n" "$ac_configure_args_raw" | sed "$ac_safe_unquote"`;;
-esac
-
 cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
@@ -1641,7 +1762,7 @@ running configure, to aid debugging if configure makes a mistake.
 It was created by CraftOS-PC Accelerated $as_me 2.6, which was
 generated by GNU Autoconf 2.71.  Invocation command line was
 
-  $ $0$ac_configure_args_raw
+  $ $0 $@
 
 _ACEOF
 exec 5>>config.log
@@ -1674,12 +1795,8 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  case $as_dir in #(((
-    '') as_dir=./ ;;
-    */) ;;
-    *) as_dir=$as_dir/ ;;
-  esac
-    printf "%s\n" "PATH: $as_dir"
+  test -z "$as_dir" && as_dir=.
+    $as_echo "PATH: $as_dir"
   done
 IFS=$as_save_IFS
 
@@ -1714,7 +1831,7 @@ do
     | -silent | --silent | --silen | --sile | --sil)
       continue ;;
     *\'*)
-      ac_arg=`printf "%s\n" "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
+      ac_arg=`$as_echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
     esac
     case $ac_pass in
     1) as_fn_append ac_configure_args0 " '$ac_arg'" ;;
@@ -1749,13 +1866,11 @@ done
 # WARNING: Use '\'' to represent an apostrophe within the trap.
 # WARNING: Do not start the trap code with a newline, due to a FreeBSD 4.0 bug.
 trap 'exit_status=$?
-  # Sanitize IFS.
-  IFS=" ""	$as_nl"
   # Save into config.log some information that might help in debugging.
   {
     echo
 
-    printf "%s\n" "## ---------------- ##
+    $as_echo "## ---------------- ##
 ## Cache variables. ##
 ## ---------------- ##"
     echo
@@ -1766,8 +1881,8 @@ trap 'exit_status=$?
     case $ac_val in #(
     *${as_nl}*)
       case $ac_var in #(
-      *_cv_*) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5
-printf "%s\n" "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
+      *_cv_*) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5
+$as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
       esac
       case $ac_var in #(
       _ | IFS | as_nl) ;; #(
@@ -1791,7 +1906,7 @@ printf "%s\n" "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;}
 )
     echo
 
-    printf "%s\n" "## ----------------- ##
+    $as_echo "## ----------------- ##
 ## Output variables. ##
 ## ----------------- ##"
     echo
@@ -1799,14 +1914,14 @@ printf "%s\n" "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;}
     do
       eval ac_val=\$$ac_var
       case $ac_val in
-      *\'\''*) ac_val=`printf "%s\n" "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;;
+      *\'\''*) ac_val=`$as_echo "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;;
       esac
-      printf "%s\n" "$ac_var='\''$ac_val'\''"
+      $as_echo "$ac_var='\''$ac_val'\''"
     done | sort
     echo
 
     if test -n "$ac_subst_files"; then
-      printf "%s\n" "## ------------------- ##
+      $as_echo "## ------------------- ##
 ## File substitutions. ##
 ## ------------------- ##"
       echo
@@ -1814,15 +1929,15 @@ printf "%s\n" "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;}
       do
 	eval ac_val=\$$ac_var
 	case $ac_val in
-	*\'\''*) ac_val=`printf "%s\n" "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;;
+	*\'\''*) ac_val=`$as_echo "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;;
 	esac
-	printf "%s\n" "$ac_var='\''$ac_val'\''"
+	$as_echo "$ac_var='\''$ac_val'\''"
       done | sort
       echo
     fi
 
     if test -s confdefs.h; then
-      printf "%s\n" "## ----------- ##
+      $as_echo "## ----------- ##
 ## confdefs.h. ##
 ## ----------- ##"
       echo
@@ -1830,8 +1945,8 @@ printf "%s\n" "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;}
       echo
     fi
     test "$ac_signal" != 0 &&
-      printf "%s\n" "$as_me: caught signal $ac_signal"
-    printf "%s\n" "$as_me: exit $exit_status"
+      $as_echo "$as_me: caught signal $ac_signal"
+    $as_echo "$as_me: exit $exit_status"
   } >&5
   rm -f core *.core core.conftest.* &&
     rm -f -r conftest* confdefs* conf$$* $ac_clean_files &&
@@ -1845,48 +1960,63 @@ ac_signal=0
 # confdefs.h avoids OS command line length limits that DEFS can exceed.
 rm -f -r conftest* confdefs.h
 
-printf "%s\n" "/* confdefs.h */" > confdefs.h
+$as_echo "/* confdefs.h */" > confdefs.h
 
 # Predefined preprocessor variables.
 
-printf "%s\n" "#define PACKAGE_NAME \"$PACKAGE_NAME\"" >>confdefs.h
+cat >>confdefs.h <<_ACEOF
+#define PACKAGE_NAME "$PACKAGE_NAME"
+_ACEOF
 
-printf "%s\n" "#define PACKAGE_TARNAME \"$PACKAGE_TARNAME\"" >>confdefs.h
+cat >>confdefs.h <<_ACEOF
+#define PACKAGE_TARNAME "$PACKAGE_TARNAME"
+_ACEOF
 
-printf "%s\n" "#define PACKAGE_VERSION \"$PACKAGE_VERSION\"" >>confdefs.h
+cat >>confdefs.h <<_ACEOF
+#define PACKAGE_VERSION "$PACKAGE_VERSION"
+_ACEOF
 
-printf "%s\n" "#define PACKAGE_STRING \"$PACKAGE_STRING\"" >>confdefs.h
+cat >>confdefs.h <<_ACEOF
+#define PACKAGE_STRING "$PACKAGE_STRING"
+_ACEOF
 
-printf "%s\n" "#define PACKAGE_BUGREPORT \"$PACKAGE_BUGREPORT\"" >>confdefs.h
+cat >>confdefs.h <<_ACEOF
+#define PACKAGE_BUGREPORT "$PACKAGE_BUGREPORT"
+_ACEOF
 
-printf "%s\n" "#define PACKAGE_URL \"$PACKAGE_URL\"" >>confdefs.h
+cat >>confdefs.h <<_ACEOF
+#define PACKAGE_URL "$PACKAGE_URL"
+_ACEOF
 
 
 # Let the site file select an alternate cache file if it wants to.
 # Prefer an explicitly selected file to automatically selected ones.
+ac_site_file1=NONE
+ac_site_file2=NONE
 if test -n "$CONFIG_SITE"; then
-  ac_site_files="$CONFIG_SITE"
+  # We do not want a PATH search for config.site.
+  case $CONFIG_SITE in #((
+    -*)  ac_site_file1=./$CONFIG_SITE;;
+    */*) ac_site_file1=$CONFIG_SITE;;
+    *)   ac_site_file1=./$CONFIG_SITE;;
+  esac
 elif test "x$prefix" != xNONE; then
-  ac_site_files="$prefix/share/config.site $prefix/etc/config.site"
+  ac_site_file1=$prefix/share/config.site
+  ac_site_file2=$prefix/etc/config.site
 else
-  ac_site_files="$ac_default_prefix/share/config.site $ac_default_prefix/etc/config.site"
+  ac_site_file1=$ac_default_prefix/share/config.site
+  ac_site_file2=$ac_default_prefix/etc/config.site
 fi
-
-for ac_site_file in $ac_site_files
+for ac_site_file in "$ac_site_file1" "$ac_site_file2"
 do
-  case $ac_site_file in #(
-  */*) :
-     ;; #(
-  *) :
-    ac_site_file=./$ac_site_file ;;
-esac
-  if test -f "$ac_site_file" && test -r "$ac_site_file"; then
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: loading site script $ac_site_file" >&5
-printf "%s\n" "$as_me: loading site script $ac_site_file" >&6;}
+  test "x$ac_site_file" = xNONE && continue
+  if test /dev/null != "$ac_site_file" && test -r "$ac_site_file"; then
+    { $as_echo "$as_me:${as_lineno-$LINENO}: loading site script $ac_site_file" >&5
+$as_echo "$as_me: loading site script $ac_site_file" >&6;}
     sed 's/^/| /' "$ac_site_file" >&5
     . "$ac_site_file" \
-      || { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+      || { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "failed to load site script $ac_site_file
 See \`config.log' for more details" "$LINENO" 5; }
   fi
@@ -1896,726 +2026,177 @@ if test -r "$cache_file"; then
   # Some versions of bash will fail to source /dev/null (special files
   # actually), so we avoid doing that.  DJGPP emulates it as a regular file.
   if test /dev/null != "$cache_file" && test -f "$cache_file"; then
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: loading cache $cache_file" >&5
-printf "%s\n" "$as_me: loading cache $cache_file" >&6;}
+    { $as_echo "$as_me:${as_lineno-$LINENO}: loading cache $cache_file" >&5
+$as_echo "$as_me: loading cache $cache_file" >&6;}
     case $cache_file in
       [\\/]* | ?:[\\/]* ) . "$cache_file";;
       *)                      . "./$cache_file";;
     esac
   fi
 else
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: creating cache $cache_file" >&5
-printf "%s\n" "$as_me: creating cache $cache_file" >&6;}
+  { $as_echo "$as_me:${as_lineno-$LINENO}: creating cache $cache_file" >&5
+$as_echo "$as_me: creating cache $cache_file" >&6;}
   >$cache_file
 fi
 
-# Test code for whether the C compiler supports C89 (global declarations)
-ac_c_conftest_c89_globals='
-/* Does the compiler advertise C89 conformance?
-   Do not test the value of __STDC__, because some compilers set it to 0
-   while being otherwise adequately conformant. */
-#if !defined __STDC__
-# error "Compiler does not advertise C89 conformance"
-#endif
+# Check that the precious variables saved in the cache have kept the same
+# value.
+ac_cache_corrupted=false
+for ac_var in $ac_precious_vars; do
+  eval ac_old_set=\$ac_cv_env_${ac_var}_set
+  eval ac_new_set=\$ac_env_${ac_var}_set
+  eval ac_old_val=\$ac_cv_env_${ac_var}_value
+  eval ac_new_val=\$ac_env_${ac_var}_value
+  case $ac_old_set,$ac_new_set in
+    set,)
+      { $as_echo "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&5
+$as_echo "$as_me: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&2;}
+      ac_cache_corrupted=: ;;
+    ,set)
+      { $as_echo "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was not set in the previous run" >&5
+$as_echo "$as_me: error: \`$ac_var' was not set in the previous run" >&2;}
+      ac_cache_corrupted=: ;;
+    ,);;
+    *)
+      if test "x$ac_old_val" != "x$ac_new_val"; then
+	# differences in whitespace do not lead to failure.
+	ac_old_val_w=`echo x $ac_old_val`
+	ac_new_val_w=`echo x $ac_new_val`
+	if test "$ac_old_val_w" != "$ac_new_val_w"; then
+	  { $as_echo "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' has changed since the previous run:" >&5
+$as_echo "$as_me: error: \`$ac_var' has changed since the previous run:" >&2;}
+	  ac_cache_corrupted=:
+	else
+	  { $as_echo "$as_me:${as_lineno-$LINENO}: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&5
+$as_echo "$as_me: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&2;}
+	  eval $ac_var=\$ac_old_val
+	fi
+	{ $as_echo "$as_me:${as_lineno-$LINENO}:   former value:  \`$ac_old_val'" >&5
+$as_echo "$as_me:   former value:  \`$ac_old_val'" >&2;}
+	{ $as_echo "$as_me:${as_lineno-$LINENO}:   current value: \`$ac_new_val'" >&5
+$as_echo "$as_me:   current value: \`$ac_new_val'" >&2;}
+      fi;;
+  esac
+  # Pass precious variables to config.status.
+  if test "$ac_new_set" = set; then
+    case $ac_new_val in
+    *\'*) ac_arg=$ac_var=`$as_echo "$ac_new_val" | sed "s/'/'\\\\\\\\''/g"` ;;
+    *) ac_arg=$ac_var=$ac_new_val ;;
+    esac
+    case " $ac_configure_args " in
+      *" '$ac_arg' "*) ;; # Avoid dups.  Use of quotes ensures accuracy.
+      *) as_fn_append ac_configure_args " '$ac_arg'" ;;
+    esac
+  fi
+done
+if $ac_cache_corrupted; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+  { $as_echo "$as_me:${as_lineno-$LINENO}: error: changes in the environment can compromise the build" >&5
+$as_echo "$as_me: error: changes in the environment can compromise the build" >&2;}
+  as_fn_error $? "run \`make distclean' and/or \`rm $cache_file' and start over" "$LINENO" 5
+fi
+## -------------------- ##
+## Main body of script. ##
+## -------------------- ##
 
-#include <stddef.h>
-#include <stdarg.h>
-struct stat;
-/* Most of the following tests are stolen from RCS 5.7 src/conf.sh.  */
-struct buf { int x; };
-struct buf * (*rcsopen) (struct buf *, struct stat *, int);
-static char *e (p, i)
-     char **p;
-     int i;
-{
-  return p[i];
-}
-static char *f (char * (*g) (char **, int), char **p, ...)
-{
-  char *s;
-  va_list v;
-  va_start (v,p);
-  s = g (p, va_arg (v,int));
-  va_end (v);
-  return s;
-}
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
-/* OSF 4.0 Compaq cc is some sort of almost-ANSI by default.  It has
-   function prototypes and stuff, but not \xHH hex character constants.
-   These do not provoke an error unfortunately, instead are silently treated
-   as an "x".  The following induces an error, until -std is added to get
-   proper ANSI mode.  Curiously \x00 != x always comes out true, for an
-   array size at least.  It is necessary to write \x00 == 0 to get something
-   that is true only with -std.  */
-int osf4_cc_array ['\''\x00'\'' == 0 ? 1 : -1];
 
-/* IBM C 6 for AIX is almost-ANSI by default, but it replaces macro parameters
-   inside strings and character constants.  */
-#define FOO(x) '\''x'\''
-int xlc6_cc_array[FOO(a) == '\''x'\'' ? 1 : -1];
 
-int test (int i, double x);
-struct s1 {int (*f) (int a);};
-struct s2 {int (*f) (double a);};
-int pairnames (int, char **, int *(*)(struct buf *, struct stat *, int),
-               int, int);'
 
-# Test code for whether the C compiler supports C89 (body of main).
-ac_c_conftest_c89_main='
-ok |= (argc == 0 || f (e, argv, 0) != argv[0] || f (e, argv, 1) != argv[1]);
-'
 
-# Test code for whether the C compiler supports C99 (global declarations)
-ac_c_conftest_c99_globals='
-// Does the compiler advertise C99 conformance?
-#if !defined __STDC_VERSION__ || __STDC_VERSION__ < 199901L
-# error "Compiler does not advertise C99 conformance"
-#endif
-
-#include <stdbool.h>
-extern int puts (const char *);
-extern int printf (const char *, ...);
-extern int dprintf (int, const char *, ...);
-extern void *malloc (size_t);
-
-// Check varargs macros.  These examples are taken from C99 6.10.3.5.
-// dprintf is used instead of fprintf to avoid needing to declare
-// FILE and stderr.
-#define debug(...) dprintf (2, __VA_ARGS__)
-#define showlist(...) puts (#__VA_ARGS__)
-#define report(test,...) ((test) ? puts (#test) : printf (__VA_ARGS__))
-static void
-test_varargs_macros (void)
-{
-  int x = 1234;
-  int y = 5678;
-  debug ("Flag");
-  debug ("X = %d\n", x);
-  showlist (The first, second, and third items.);
-  report (x>y, "x is %d but y is %d", x, y);
-}
-
-// Check long long types.
-#define BIG64 18446744073709551615ull
-#define BIG32 4294967295ul
-#define BIG_OK (BIG64 / BIG32 == 4294967297ull && BIG64 % BIG32 == 0)
-#if !BIG_OK
-  #error "your preprocessor is broken"
-#endif
-#if BIG_OK
-#else
-  #error "your preprocessor is broken"
-#endif
-static long long int bignum = -9223372036854775807LL;
-static unsigned long long int ubignum = BIG64;
-
-struct incomplete_array
-{
-  int datasize;
-  double data[];
-};
-
-struct named_init {
-  int number;
-  const wchar_t *name;
-  double average;
-};
-
-typedef const char *ccp;
-
-static inline int
-test_restrict (ccp restrict text)
-{
-  // See if C++-style comments work.
-  // Iterate through items via the restricted pointer.
-  // Also check for declarations in for loops.
-  for (unsigned int i = 0; *(text+i) != '\''\0'\''; ++i)
-    continue;
-  return 0;
-}
-
-// Check varargs and va_copy.
-static bool
-test_varargs (const char *format, ...)
-{
-  va_list args;
-  va_start (args, format);
-  va_list args_copy;
-  va_copy (args_copy, args);
-
-  const char *str = "";
-  int number = 0;
-  float fnumber = 0;
-
-  while (*format)
-    {
-      switch (*format++)
-	{
-	case '\''s'\'': // string
-	  str = va_arg (args_copy, const char *);
-	  break;
-	case '\''d'\'': // int
-	  number = va_arg (args_copy, int);
-	  break;
-	case '\''f'\'': // float
-	  fnumber = va_arg (args_copy, double);
-	  break;
-	default:
-	  break;
-	}
-    }
-  va_end (args_copy);
-  va_end (args);
-
-  return *str && number && fnumber;
-}
-'
-
-# Test code for whether the C compiler supports C99 (body of main).
-ac_c_conftest_c99_main='
-  // Check bool.
-  _Bool success = false;
-  success |= (argc != 0);
-
-  // Check restrict.
-  if (test_restrict ("String literal") == 0)
-    success = true;
-  char *restrict newvar = "Another string";
-
-  // Check varargs.
-  success &= test_varargs ("s, d'\'' f .", "string", 65, 34.234);
-  test_varargs_macros ();
-
-  // Check flexible array members.
-  struct incomplete_array *ia =
-    malloc (sizeof (struct incomplete_array) + (sizeof (double) * 10));
-  ia->datasize = 10;
-  for (int i = 0; i < ia->datasize; ++i)
-    ia->data[i] = i * 1.234;
-
-  // Check named initializers.
-  struct named_init ni = {
-    .number = 34,
-    .name = L"Test wide string",
-    .average = 543.34343,
-  };
-
-  ni.number = 58;
-
-  int dynamic_array[ni.number];
-  dynamic_array[0] = argv[0][0];
-  dynamic_array[ni.number - 1] = 543;
-
-  // work around unused variable warnings
-  ok |= (!success || bignum == 0LL || ubignum == 0uLL || newvar[0] == '\''x'\''
-	 || dynamic_array[ni.number - 1] != 543);
-'
-
-# Test code for whether the C compiler supports C11 (global declarations)
-ac_c_conftest_c11_globals='
-// Does the compiler advertise C11 conformance?
-#if !defined __STDC_VERSION__ || __STDC_VERSION__ < 201112L
-# error "Compiler does not advertise C11 conformance"
-#endif
-
-// Check _Alignas.
-char _Alignas (double) aligned_as_double;
-char _Alignas (0) no_special_alignment;
-extern char aligned_as_int;
-char _Alignas (0) _Alignas (int) aligned_as_int;
-
-// Check _Alignof.
-enum
-{
-  int_alignment = _Alignof (int),
-  int_array_alignment = _Alignof (int[100]),
-  char_alignment = _Alignof (char)
-};
-_Static_assert (0 < -_Alignof (int), "_Alignof is signed");
-
-// Check _Noreturn.
-int _Noreturn does_not_return (void) { for (;;) continue; }
-
-// Check _Static_assert.
-struct test_static_assert
-{
-  int x;
-  _Static_assert (sizeof (int) <= sizeof (long int),
-                  "_Static_assert does not work in struct");
-  long int y;
-};
-
-// Check UTF-8 literals.
-#define u8 syntax error!
-char const utf8_literal[] = u8"happens to be ASCII" "another string";
-
-// Check duplicate typedefs.
-typedef long *long_ptr;
-typedef long int *long_ptr;
-typedef long_ptr long_ptr;
-
-// Anonymous structures and unions -- taken from C11 6.7.2.1 Example 1.
-struct anonymous
-{
-  union {
-    struct { int i; int j; };
-    struct { int k; long int l; } w;
-  };
-  int m;
-} v1;
-'
-
-# Test code for whether the C compiler supports C11 (body of main).
-ac_c_conftest_c11_main='
-  _Static_assert ((offsetof (struct anonymous, i)
-		   == offsetof (struct anonymous, w.k)),
-		  "Anonymous union alignment botch");
-  v1.i = 2;
-  v1.w.k = 5;
-  ok |= v1.i != 5;
-'
-
-# Test code for whether the C compiler supports C11 (complete).
-ac_c_conftest_c11_program="${ac_c_conftest_c89_globals}
-${ac_c_conftest_c99_globals}
-${ac_c_conftest_c11_globals}
-
-int
-main (int argc, char **argv)
-{
-  int ok = 0;
-  ${ac_c_conftest_c89_main}
-  ${ac_c_conftest_c99_main}
-  ${ac_c_conftest_c11_main}
-  return ok;
-}
-"
-
-# Test code for whether the C compiler supports C99 (complete).
-ac_c_conftest_c99_program="${ac_c_conftest_c89_globals}
-${ac_c_conftest_c99_globals}
-
-int
-main (int argc, char **argv)
-{
-  int ok = 0;
-  ${ac_c_conftest_c89_main}
-  ${ac_c_conftest_c99_main}
-  return ok;
-}
-"
-
-# Test code for whether the C compiler supports C89 (complete).
-ac_c_conftest_c89_program="${ac_c_conftest_c89_globals}
-
-int
-main (int argc, char **argv)
-{
-  int ok = 0;
-  ${ac_c_conftest_c89_main}
-  return ok;
-}
-"
-
-# Test code for whether the C++ compiler supports C++98 (global declarations)
-ac_cxx_conftest_cxx98_globals='
-// Does the compiler advertise C++98 conformance?
-#if !defined __cplusplus || __cplusplus < 199711L
-# error "Compiler does not advertise C++98 conformance"
-#endif
-
-// These inclusions are to reject old compilers that
-// lack the unsuffixed header files.
-#include <cstdlib>
-#include <exception>
-
-// <cassert> and <cstring> are *not* freestanding headers in C++98.
-extern void assert (int);
-namespace std {
-  extern int strcmp (const char *, const char *);
-}
-
-// Namespaces, exceptions, and templates were all added after "C++ 2.0".
-using std::exception;
-using std::strcmp;
-
-namespace {
-
-void test_exception_syntax()
-{
-  try {
-    throw "test";
-  } catch (const char *s) {
-    // Extra parentheses suppress a warning when building autoconf itself,
-    // due to lint rules shared with more typical C programs.
-    assert (!(strcmp) (s, "test"));
-  }
-}
-
-template <typename T> struct test_template
-{
-  T const val;
-  explicit test_template(T t) : val(t) {}
-  template <typename U> T add(U u) { return static_cast<T>(u) + val; }
-};
-
-} // anonymous namespace
-'
-
-# Test code for whether the C++ compiler supports C++98 (body of main)
-ac_cxx_conftest_cxx98_main='
-  assert (argc);
-  assert (! argv[0]);
-{
-  test_exception_syntax ();
-  test_template<double> tt (2.0);
-  assert (tt.add (4) == 6.0);
-  assert (true && !false);
-}
-'
-
-# Test code for whether the C++ compiler supports C++11 (global declarations)
-ac_cxx_conftest_cxx11_globals='
-// Does the compiler advertise C++ 2011 conformance?
-#if !defined __cplusplus || __cplusplus < 201103L
-# error "Compiler does not advertise C++11 conformance"
-#endif
-
-namespace cxx11test
-{
-  constexpr int get_val() { return 20; }
-
-  struct testinit
-  {
-    int i;
-    double d;
-  };
-
-  class delegate
-  {
-  public:
-    delegate(int n) : n(n) {}
-    delegate(): delegate(2354) {}
-
-    virtual int getval() { return this->n; };
-  protected:
-    int n;
-  };
-
-  class overridden : public delegate
-  {
-  public:
-    overridden(int n): delegate(n) {}
-    virtual int getval() override final { return this->n * 2; }
-  };
-
-  class nocopy
-  {
-  public:
-    nocopy(int i): i(i) {}
-    nocopy() = default;
-    nocopy(const nocopy&) = delete;
-    nocopy & operator=(const nocopy&) = delete;
-  private:
-    int i;
-  };
-
-  // for testing lambda expressions
-  template <typename Ret, typename Fn> Ret eval(Fn f, Ret v)
-  {
-    return f(v);
-  }
-
-  // for testing variadic templates and trailing return types
-  template <typename V> auto sum(V first) -> V
-  {
-    return first;
-  }
-  template <typename V, typename... Args> auto sum(V first, Args... rest) -> V
-  {
-    return first + sum(rest...);
-  }
-}
-'
-
-# Test code for whether the C++ compiler supports C++11 (body of main)
-ac_cxx_conftest_cxx11_main='
-{
-  // Test auto and decltype
-  auto a1 = 6538;
-  auto a2 = 48573953.4;
-  auto a3 = "String literal";
-
-  int total = 0;
-  for (auto i = a3; *i; ++i) { total += *i; }
-
-  decltype(a2) a4 = 34895.034;
-}
-{
-  // Test constexpr
-  short sa[cxx11test::get_val()] = { 0 };
-}
-{
-  // Test initializer lists
-  cxx11test::testinit il = { 4323, 435234.23544 };
-}
-{
-  // Test range-based for
-  int array[] = {9, 7, 13, 15, 4, 18, 12, 10, 5, 3,
-                 14, 19, 17, 8, 6, 20, 16, 2, 11, 1};
-  for (auto &x : array) { x += 23; }
-}
-{
-  // Test lambda expressions
-  using cxx11test::eval;
-  assert (eval ([](int x) { return x*2; }, 21) == 42);
-  double d = 2.0;
-  assert (eval ([&](double x) { return d += x; }, 3.0) == 5.0);
-  assert (d == 5.0);
-  assert (eval ([=](double x) mutable { return d += x; }, 4.0) == 9.0);
-  assert (d == 5.0);
-}
-{
-  // Test use of variadic templates
-  using cxx11test::sum;
-  auto a = sum(1);
-  auto b = sum(1, 2);
-  auto c = sum(1.0, 2.0, 3.0);
-}
-{
-  // Test constructor delegation
-  cxx11test::delegate d1;
-  cxx11test::delegate d2();
-  cxx11test::delegate d3(45);
-}
-{
-  // Test override and final
-  cxx11test::overridden o1(55464);
-}
-{
-  // Test nullptr
-  char *c = nullptr;
-}
-{
-  // Test template brackets
-  test_template<::test_template<int>> v(test_template<int>(12));
-}
-{
-  // Unicode literals
-  char const *utf8 = u8"UTF-8 string \u2500";
-  char16_t const *utf16 = u"UTF-8 string \u2500";
-  char32_t const *utf32 = U"UTF-32 string \u2500";
-}
-'
-
-# Test code for whether the C compiler supports C++11 (complete).
-ac_cxx_conftest_cxx11_program="${ac_cxx_conftest_cxx98_globals}
-${ac_cxx_conftest_cxx11_globals}
-
-int
-main (int argc, char **argv)
-{
-  int ok = 0;
-  ${ac_cxx_conftest_cxx98_main}
-  ${ac_cxx_conftest_cxx11_main}
-  return ok;
-}
-"
-
-# Test code for whether the C compiler supports C++98 (complete).
-ac_cxx_conftest_cxx98_program="${ac_cxx_conftest_cxx98_globals}
-int
-main (int argc, char **argv)
-{
-  int ok = 0;
-  ${ac_cxx_conftest_cxx98_main}
-  return ok;
-}
-"
-
-as_fn_append ac_header_cxx_list " stdio.h stdio_h HAVE_STDIO_H"
-as_fn_append ac_header_cxx_list " stdlib.h stdlib_h HAVE_STDLIB_H"
-as_fn_append ac_header_cxx_list " string.h string_h HAVE_STRING_H"
-as_fn_append ac_header_cxx_list " inttypes.h inttypes_h HAVE_INTTYPES_H"
-as_fn_append ac_header_cxx_list " stdint.h stdint_h HAVE_STDINT_H"
-as_fn_append ac_header_cxx_list " strings.h strings_h HAVE_STRINGS_H"
-as_fn_append ac_header_cxx_list " sys/stat.h sys_stat_h HAVE_SYS_STAT_H"
-as_fn_append ac_header_cxx_list " sys/types.h sys_types_h HAVE_SYS_TYPES_H"
-as_fn_append ac_header_cxx_list " unistd.h unistd_h HAVE_UNISTD_H"
-# Check that the precious variables saved in the cache have kept the same
-# value.
-ac_cache_corrupted=false
-for ac_var in $ac_precious_vars; do
-  eval ac_old_set=\$ac_cv_env_${ac_var}_set
-  eval ac_new_set=\$ac_env_${ac_var}_set
-  eval ac_old_val=\$ac_cv_env_${ac_var}_value
-  eval ac_new_val=\$ac_env_${ac_var}_value
-  case $ac_old_set,$ac_new_set in
-    set,)
-      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&5
-printf "%s\n" "$as_me: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&2;}
-      ac_cache_corrupted=: ;;
-    ,set)
-      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was not set in the previous run" >&5
-printf "%s\n" "$as_me: error: \`$ac_var' was not set in the previous run" >&2;}
-      ac_cache_corrupted=: ;;
-    ,);;
-    *)
-      if test "x$ac_old_val" != "x$ac_new_val"; then
-	# differences in whitespace do not lead to failure.
-	ac_old_val_w=`echo x $ac_old_val`
-	ac_new_val_w=`echo x $ac_new_val`
-	if test "$ac_old_val_w" != "$ac_new_val_w"; then
-	  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' has changed since the previous run:" >&5
-printf "%s\n" "$as_me: error: \`$ac_var' has changed since the previous run:" >&2;}
-	  ac_cache_corrupted=:
-	else
-	  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&5
-printf "%s\n" "$as_me: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&2;}
-	  eval $ac_var=\$ac_old_val
-	fi
-	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}:   former value:  \`$ac_old_val'" >&5
-printf "%s\n" "$as_me:   former value:  \`$ac_old_val'" >&2;}
-	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}:   current value: \`$ac_new_val'" >&5
-printf "%s\n" "$as_me:   current value: \`$ac_new_val'" >&2;}
-      fi;;
-  esac
-  # Pass precious variables to config.status.
-  if test "$ac_new_set" = set; then
-    case $ac_new_val in
-    *\'*) ac_arg=$ac_var=`printf "%s\n" "$ac_new_val" | sed "s/'/'\\\\\\\\''/g"` ;;
-    *) ac_arg=$ac_var=$ac_new_val ;;
-    esac
-    case " $ac_configure_args " in
-      *" '$ac_arg' "*) ;; # Avoid dups.  Use of quotes ensures accuracy.
-      *) as_fn_append ac_configure_args " '$ac_arg'" ;;
-    esac
-  fi
-done
-if $ac_cache_corrupted; then
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: changes in the environment can compromise the build" >&5
-printf "%s\n" "$as_me: error: changes in the environment can compromise the build" >&2;}
-  as_fn_error $? "run \`${MAKE-make} distclean' and/or \`rm $cache_file'
-	    and start over" "$LINENO" 5
-fi
-## -------------------- ##
-## Main body of script. ##
-## -------------------- ##
-
-ac_ext=c
-ac_cpp='$CPP $CPPFLAGS'
-ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-ac_compiler_gnu=$ac_cv_c_compiler_gnu
-
-
-
-
-
-# Options
+# Options
 
 # Check whether --with-png was given.
-if test ${with_png+y}
-then :
+if test "${with_png+set}" = set; then :
   withval=$with_png;
 fi
 
 
 # Check whether --with-png was given.
-if test ${with_png+y}
-then :
+if test "${with_png+set}" = set; then :
   withval=$with_png;
 fi
 
 
 # Check whether --with-webp was given.
-if test ${with_webp+y}
-then :
+if test "${with_webp+set}" = set; then :
   withval=$with_webp;
 fi
 
 
 # Check whether --with-webp was given.
-if test ${with_webp+y}
-then :
+if test "${with_webp+set}" = set; then :
   withval=$with_webp;
 fi
 
 
 # Check whether --with-ncurses was given.
-if test ${with_ncurses+y}
-then :
+if test "${with_ncurses+set}" = set; then :
   withval=$with_ncurses;
 fi
 
 
 # Check whether --with-ncurses was given.
-if test ${with_ncurses+y}
-then :
+if test "${with_ncurses+set}" = set; then :
   withval=$with_ncurses;
 fi
 
 
 # Check whether --with-sdl_mixer was given.
-if test ${with_sdl_mixer+y}
-then :
+if test "${with_sdl_mixer+set}" = set; then :
   withval=$with_sdl_mixer;
 fi
 
 
 # Check whether --with-sdl_mixer was given.
-if test ${with_sdl_mixer+y}
-then :
+if test "${with_sdl_mixer+set}" = set; then :
   withval=$with_sdl_mixer;
 fi
 
 
 # Check whether --with-hpdf was given.
-if test ${with_hpdf+y}
-then :
+if test "${with_hpdf+set}" = set; then :
   withval=$with_hpdf;
 fi
 
 
 # Check whether --with-html was given.
-if test ${with_html+y}
-then :
+if test "${with_html+set}" = set; then :
   withval=$with_html;
 fi
 
 
 # Check whether --with-txt was given.
-if test ${with_txt+y}
-then :
+if test "${with_txt+set}" = set; then :
   withval=$with_txt;
 fi
 
 
 # Check whether --with-standalone_rom was given.
-if test ${with_standalone_rom+y}
-then :
+if test "${with_standalone_rom+set}" = set; then :
   withval=$with_standalone_rom;
 fi
 
 # Check whether --enable-wasm was given.
-if test ${enable_wasm+y}
-then :
+if test "${enable_wasm+set}" = set; then :
   enableval=$enable_wasm;
 fi
 
 
 # Check whether --with-wasm_poco was given.
-if test ${with_wasm_poco+y}
-then :
+if test "${with_wasm_poco+set}" = set; then :
   withval=$with_wasm_poco;
 fi
 
 
 # Check whether --with-wasm_rom was given.
-if test ${with_wasm_rom+y}
-then :
+if test "${with_wasm_rom+set}" = set; then :
   withval=$with_wasm_rom;
 fi
 
@@ -2626,15 +2207,13 @@ if test "x$CXX" = "xem++"; then enable_wasm=yes; fi
 if test "x$with_hpdf" = "xyes"; then PRINT_TYPE=0; fi
 if test "x$with_hpdf" = "xno"; then PRINT_TYPE=1; fi
 if test "x$with_html" = "xyes"; then
-    if test "x$PRINT_TYPE" != "x"
-then :
+    if test "x$PRINT_TYPE" != "x"; then :
   as_fn_error $? "Only one print type can be specified." "$LINENO" 5
 fi
     PRINT_TYPE=1
 fi
 if test "x$with_txt" = "xyes"; then
-    if test "x$PRINT_TYPE" != "x"
-then :
+    if test "x$PRINT_TYPE" != "x"; then :
   as_fn_error $? "Only one print type can be specified." "$LINENO" 5
 fi
     PRINT_TYPE=2
@@ -2642,12 +2221,10 @@ fi
 
 if test "x$enable_wasm" = "xyes"; then
     # Set up compiler for emcc/em++
-    if test "x$with_wasm_poco" = "x"
-then :
+    if test "x$with_wasm_poco" = "x"; then :
   as_fn_error $? "--with-wasm-poco must be specified when building for WASM." "$LINENO" 5
 fi
-    if test "x$with_wasm_rom" = "x"
-then :
+    if test "x$with_wasm_rom" = "x"; then :
   as_fn_error $? "--with-wasm-rom must be specified when building for WASM." "$LINENO" 5
 fi
     SQBROP=[
@@ -2655,7 +2232,7 @@ fi
     CC=emcc
     CXX=em++
     CPPFLAGS="$CPPFLAGS -I$with_wasm_poco/include -Icraftos2-lua/include -Iapi -DNO_CLI -DNO_PNG -DNO_WEBP -DPRINT_TYPE=1"
-    CXXFLAGS="$CXXFLAGS -std=c++11 -s USE_SDL=2 -s USE_PTHREADS=1 -s USE_SDL_MIXER=2 -Wno-implicit-const-int-float-conversion -Wno-pthreads-mem-growth"
+    CXXFLAGS="$CXXFLAGS -std=c++17 -s USE_SDL=2 -s USE_PTHREADS=1 -s USE_SDL_MIXER=2 -Wno-implicit-const-int-float-conversion -Wno-pthreads-mem-growth"
     LDFLAGS="$LDFLAGS -L$with_wasm_poco/lib -lidbfs.js -s USE_SDL=2 -s USE_SDL_MIXER=2 -s ERROR_ON_UNDEFINED_SYMBOLS=0 -s TOTAL_MEMORY=33554432 -s DISABLE_EXCEPTION_CATCHING=0 -s FETCH=1 -s DEMANGLE_SUPPORT=1 -s EXTRA_EXPORTED_RUNTIME_METHODS=$SQBROP\"ccall\",\"cwrap\"$SQBRCL -s ASYNCIFY -s ALLOW_MEMORY_GROWTH=1 --no-heap-copy -Wno-pthreads-mem-growth"
 fi
 
@@ -2677,12 +2254,11 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 if test -n "$ac_tool_prefix"; then
   # Extract the first word of "${ac_tool_prefix}gcc", so it can be a program name with args.
 set dummy ${ac_tool_prefix}gcc; ac_word=$2
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-printf %s "checking for $ac_word... " >&6; }
-if test ${ac_cv_prog_CC+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_CC+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
 else
@@ -2690,15 +2266,11 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  case $as_dir in #(((
-    '') as_dir=./ ;;
-    */) ;;
-    *) as_dir=$as_dir/ ;;
-  esac
+  test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_CC="${ac_tool_prefix}gcc"
-    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -2709,11 +2281,11 @@ fi
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
-printf "%s\n" "$CC" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
+$as_echo "$CC" >&6; }
 else
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 fi
 
 
@@ -2722,12 +2294,11 @@ if test -z "$ac_cv_prog_CC"; then
   ac_ct_CC=$CC
   # Extract the first word of "gcc", so it can be a program name with args.
 set dummy gcc; ac_word=$2
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-printf %s "checking for $ac_word... " >&6; }
-if test ${ac_cv_prog_ac_ct_CC+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_ac_ct_CC+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   if test -n "$ac_ct_CC"; then
   ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
 else
@@ -2735,15 +2306,11 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  case $as_dir in #(((
-    '') as_dir=./ ;;
-    */) ;;
-    *) as_dir=$as_dir/ ;;
-  esac
+  test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_ac_ct_CC="gcc"
-    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -2754,11 +2321,11 @@ fi
 fi
 ac_ct_CC=$ac_cv_prog_ac_ct_CC
 if test -n "$ac_ct_CC"; then
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5
-printf "%s\n" "$ac_ct_CC" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5
+$as_echo "$ac_ct_CC" >&6; }
 else
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 fi
 
   if test "x$ac_ct_CC" = x; then
@@ -2766,8 +2333,8 @@ fi
   else
     case $cross_compiling:$ac_tool_warned in
 yes:)
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
 ac_tool_warned=yes ;;
 esac
     CC=$ac_ct_CC
@@ -2780,12 +2347,11 @@ if test -z "$CC"; then
           if test -n "$ac_tool_prefix"; then
     # Extract the first word of "${ac_tool_prefix}cc", so it can be a program name with args.
 set dummy ${ac_tool_prefix}cc; ac_word=$2
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-printf %s "checking for $ac_word... " >&6; }
-if test ${ac_cv_prog_CC+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_CC+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
 else
@@ -2793,15 +2359,11 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  case $as_dir in #(((
-    '') as_dir=./ ;;
-    */) ;;
-    *) as_dir=$as_dir/ ;;
-  esac
+  test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_CC="${ac_tool_prefix}cc"
-    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -2812,11 +2374,11 @@ fi
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
-printf "%s\n" "$CC" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
+$as_echo "$CC" >&6; }
 else
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 fi
 
 
@@ -2825,12 +2387,11 @@ fi
 if test -z "$CC"; then
   # Extract the first word of "cc", so it can be a program name with args.
 set dummy cc; ac_word=$2
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-printf %s "checking for $ac_word... " >&6; }
-if test ${ac_cv_prog_CC+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_CC+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
 else
@@ -2839,19 +2400,15 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  case $as_dir in #(((
-    '') as_dir=./ ;;
-    */) ;;
-    *) as_dir=$as_dir/ ;;
-  esac
+  test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
-    if test "$as_dir$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    if test "$as_dir/$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then
        ac_prog_rejected=yes
        continue
      fi
     ac_cv_prog_CC="cc"
-    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -2867,18 +2424,18 @@ if test $ac_prog_rejected = yes; then
     # However, it has the same basename, so the bogon will be chosen
     # first if we set CC to just the basename; use the full file name.
     shift
-    ac_cv_prog_CC="$as_dir$ac_word${1+' '}$@"
+    ac_cv_prog_CC="$as_dir/$ac_word${1+' '}$@"
   fi
 fi
 fi
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
-printf "%s\n" "$CC" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
+$as_echo "$CC" >&6; }
 else
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 fi
 
 
@@ -2889,12 +2446,11 @@ if test -z "$CC"; then
   do
     # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
 set dummy $ac_tool_prefix$ac_prog; ac_word=$2
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-printf %s "checking for $ac_word... " >&6; }
-if test ${ac_cv_prog_CC+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_CC+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
 else
@@ -2902,15 +2458,11 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  case $as_dir in #(((
-    '') as_dir=./ ;;
-    */) ;;
-    *) as_dir=$as_dir/ ;;
-  esac
+  test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_CC="$ac_tool_prefix$ac_prog"
-    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -2921,11 +2473,11 @@ fi
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
-printf "%s\n" "$CC" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
+$as_echo "$CC" >&6; }
 else
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 fi
 
 
@@ -2938,12 +2490,11 @@ if test -z "$CC"; then
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-printf %s "checking for $ac_word... " >&6; }
-if test ${ac_cv_prog_ac_ct_CC+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_ac_ct_CC+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   if test -n "$ac_ct_CC"; then
   ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
 else
@@ -2951,15 +2502,11 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  case $as_dir in #(((
-    '') as_dir=./ ;;
-    */) ;;
-    *) as_dir=$as_dir/ ;;
-  esac
+  test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_ac_ct_CC="$ac_prog"
-    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -2970,11 +2517,11 @@ fi
 fi
 ac_ct_CC=$ac_cv_prog_ac_ct_CC
 if test -n "$ac_ct_CC"; then
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5
-printf "%s\n" "$ac_ct_CC" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5
+$as_echo "$ac_ct_CC" >&6; }
 else
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 fi
 
 
@@ -2986,8 +2533,8 @@ done
   else
     case $cross_compiling:$ac_tool_warned in
 yes:)
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
 ac_tool_warned=yes ;;
 esac
     CC=$ac_ct_CC
@@ -2995,129 +2542,25 @@ esac
 fi
 
 fi
-if test -z "$CC"; then
-  if test -n "$ac_tool_prefix"; then
-  # Extract the first word of "${ac_tool_prefix}clang", so it can be a program name with args.
-set dummy ${ac_tool_prefix}clang; ac_word=$2
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-printf %s "checking for $ac_word... " >&6; }
-if test ${ac_cv_prog_CC+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$CC"; then
-  ac_cv_prog_CC="$CC" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  case $as_dir in #(((
-    '') as_dir=./ ;;
-    */) ;;
-    *) as_dir=$as_dir/ ;;
-  esac
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
-    ac_cv_prog_CC="${ac_tool_prefix}clang"
-    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
-
-fi
-fi
-CC=$ac_cv_prog_CC
-if test -n "$CC"; then
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
-printf "%s\n" "$CC" >&6; }
-else
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
-fi
 
 
-fi
-if test -z "$ac_cv_prog_CC"; then
-  ac_ct_CC=$CC
-  # Extract the first word of "clang", so it can be a program name with args.
-set dummy clang; ac_word=$2
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-printf %s "checking for $ac_word... " >&6; }
-if test ${ac_cv_prog_ac_ct_CC+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$ac_ct_CC"; then
-  ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  case $as_dir in #(((
-    '') as_dir=./ ;;
-    */) ;;
-    *) as_dir=$as_dir/ ;;
-  esac
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
-    ac_cv_prog_ac_ct_CC="clang"
-    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
-
-fi
-fi
-ac_ct_CC=$ac_cv_prog_ac_ct_CC
-if test -n "$ac_ct_CC"; then
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5
-printf "%s\n" "$ac_ct_CC" >&6; }
-else
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
-fi
-
-  if test "x$ac_ct_CC" = x; then
-    CC=""
-  else
-    case $cross_compiling:$ac_tool_warned in
-yes:)
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
-ac_tool_warned=yes ;;
-esac
-    CC=$ac_ct_CC
-  fi
-else
-  CC="$ac_cv_prog_CC"
-fi
-
-fi
-
-
-test -z "$CC" && { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+test -z "$CC" && { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "no acceptable C compiler found in \$PATH
 See \`config.log' for more details" "$LINENO" 5; }
 
 # Provide some information about the compiler.
-printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for C compiler version" >&5
+$as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler version" >&5
 set X $ac_compile
 ac_compiler=$2
-for ac_option in --version -v -V -qversion -version; do
+for ac_option in --version -v -V -qversion; do
   { { ac_try="$ac_compiler $ac_option >&5"
 case "(($ac_try" in
   *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
   *) ac_try_echo=$ac_try;;
 esac
 eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-printf "%s\n" "$ac_try_echo"; } >&5
+$as_echo "$ac_try_echo"; } >&5
   (eval "$ac_compiler $ac_option >&5") 2>conftest.err
   ac_status=$?
   if test -s conftest.err; then
@@ -3127,7 +2570,7 @@ printf "%s\n" "$ac_try_echo"; } >&5
     cat conftest.er1 >&5
   fi
   rm -f conftest.er1 conftest.err
-  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }
 done
 
@@ -3135,7 +2578,7 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
-main (void)
+main ()
 {
 
   ;
@@ -3147,9 +2590,9 @@ ac_clean_files="$ac_clean_files a.out a.out.dSYM a.exe b.out"
 # Try to create an executable without -o first, disregard a.out.
 # It will help us diagnose broken compilers, and finding out an intuition
 # of exeext.
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the C compiler works" >&5
-printf %s "checking whether the C compiler works... " >&6; }
-ac_link_default=`printf "%s\n" "$ac_link" | sed 's/ -o *conftest[^ ]*//'`
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the C compiler works" >&5
+$as_echo_n "checking whether the C compiler works... " >&6; }
+ac_link_default=`$as_echo "$ac_link" | sed 's/ -o *conftest[^ ]*//'`
 
 # The possible output files:
 ac_files="a.out conftest.exe conftest a.exe a_out.exe b.out conftest.*"
@@ -3170,12 +2613,11 @@ case "(($ac_try" in
   *) ac_try_echo=$ac_try;;
 esac
 eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-printf "%s\n" "$ac_try_echo"; } >&5
+$as_echo "$ac_try_echo"; } >&5
   (eval "$ac_link_default") 2>&5
   ac_status=$?
-  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; }
-then :
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; then :
   # Autoconf-2.13 could set the ac_cv_exeext variable to `no'.
 # So ignore a value of `no', otherwise this would lead to `EXEEXT = no'
 # in a Makefile.  We should not override ac_cv_exeext if it was cached,
@@ -3192,7 +2634,7 @@ do
 	# certainly right.
 	break;;
     *.* )
-	if test ${ac_cv_exeext+y} && test "$ac_cv_exeext" != no;
+	if test "${ac_cv_exeext+set}" = set && test "$ac_cv_exeext" != no;
 	then :; else
 	   ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'`
 	fi
@@ -3208,46 +2650,44 @@ do
 done
 test "$ac_cv_exeext" = no && ac_cv_exeext=
 
-else $as_nop
+else
   ac_file=''
 fi
-if test -z "$ac_file"
-then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
-printf "%s\n" "$as_me: failed program was:" >&5
+if test -z "$ac_file"; then :
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+$as_echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error 77 "C compiler cannot create executables
 See \`config.log' for more details" "$LINENO" 5; }
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-printf "%s\n" "yes" >&6; }
-fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for C compiler default output file name" >&5
-printf %s "checking for C compiler default output file name... " >&6; }
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_file" >&5
-printf "%s\n" "$ac_file" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler default output file name" >&5
+$as_echo_n "checking for C compiler default output file name... " >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_file" >&5
+$as_echo "$ac_file" >&6; }
 ac_exeext=$ac_cv_exeext
 
 rm -f -r a.out a.out.dSYM a.exe conftest$ac_cv_exeext b.out
 ac_clean_files=$ac_clean_files_save
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for suffix of executables" >&5
-printf %s "checking for suffix of executables... " >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for suffix of executables" >&5
+$as_echo_n "checking for suffix of executables... " >&6; }
 if { { ac_try="$ac_link"
 case "(($ac_try" in
   *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
   *) ac_try_echo=$ac_try;;
 esac
 eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-printf "%s\n" "$ac_try_echo"; } >&5
+$as_echo "$ac_try_echo"; } >&5
   (eval "$ac_link") 2>&5
   ac_status=$?
-  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; }
-then :
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; then :
   # If both `conftest.exe' and `conftest' are `present' (well, observable)
 # catch `conftest.exe'.  For instance with Cygwin, `ls conftest' will
 # work properly (i.e., refer to `conftest.exe'), while it won't with
@@ -3261,15 +2701,15 @@ for ac_file in conftest.exe conftest conftest.*; do
     * ) break;;
   esac
 done
-else $as_nop
-  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+else
+  { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "cannot compute suffix of executables: cannot compile and link
 See \`config.log' for more details" "$LINENO" 5; }
 fi
 rm -f conftest conftest$ac_cv_exeext
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_exeext" >&5
-printf "%s\n" "$ac_cv_exeext" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_exeext" >&5
+$as_echo "$ac_cv_exeext" >&6; }
 
 rm -f conftest.$ac_ext
 EXEEXT=$ac_cv_exeext
@@ -3278,7 +2718,7 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <stdio.h>
 int
-main (void)
+main ()
 {
 FILE *f = fopen ("conftest.out", "w");
  return ferror (f) || fclose (f) != 0;
@@ -3290,8 +2730,8 @@ _ACEOF
 ac_clean_files="$ac_clean_files conftest.out"
 # Check that the compiler produces executables we can run.  If not, either
 # the compiler is broken, or we cross compile.
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether we are cross compiling" >&5
-printf %s "checking whether we are cross compiling... " >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are cross compiling" >&5
+$as_echo_n "checking whether we are cross compiling... " >&6; }
 if test "$cross_compiling" != yes; then
   { { ac_try="$ac_link"
 case "(($ac_try" in
@@ -3299,10 +2739,10 @@ case "(($ac_try" in
   *) ac_try_echo=$ac_try;;
 esac
 eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-printf "%s\n" "$ac_try_echo"; } >&5
+$as_echo "$ac_try_echo"; } >&5
   (eval "$ac_link") 2>&5
   ac_status=$?
-  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }
   if { ac_try='./conftest$ac_cv_exeext'
   { { case "(($ac_try" in
@@ -3310,40 +2750,39 @@ printf "%s\n" "$ac_try_echo"; } >&5
   *) ac_try_echo=$ac_try;;
 esac
 eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-printf "%s\n" "$ac_try_echo"; } >&5
+$as_echo "$ac_try_echo"; } >&5
   (eval "$ac_try") 2>&5
   ac_status=$?
-  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; }; then
     cross_compiling=no
   else
     if test "$cross_compiling" = maybe; then
 	cross_compiling=yes
     else
-	{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error 77 "cannot run C compiled programs.
+	{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error $? "cannot run C compiled programs.
 If you meant to cross compile, use \`--host'.
 See \`config.log' for more details" "$LINENO" 5; }
     fi
   fi
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $cross_compiling" >&5
-printf "%s\n" "$cross_compiling" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $cross_compiling" >&5
+$as_echo "$cross_compiling" >&6; }
 
 rm -f conftest.$ac_ext conftest$ac_cv_exeext conftest.out
 ac_clean_files=$ac_clean_files_save
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for suffix of object files" >&5
-printf %s "checking for suffix of object files... " >&6; }
-if test ${ac_cv_objext+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for suffix of object files" >&5
+$as_echo_n "checking for suffix of object files... " >&6; }
+if ${ac_cv_objext+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
-main (void)
+main ()
 {
 
   ;
@@ -3357,12 +2796,11 @@ case "(($ac_try" in
   *) ac_try_echo=$ac_try;;
 esac
 eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-printf "%s\n" "$ac_try_echo"; } >&5
+$as_echo "$ac_try_echo"; } >&5
   (eval "$ac_compile") 2>&5
   ac_status=$?
-  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; }
-then :
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; then :
   for ac_file in conftest.o conftest.obj conftest.*; do
   test -f "$ac_file" || continue;
   case $ac_file in
@@ -3371,32 +2809,31 @@ then :
        break;;
   esac
 done
-else $as_nop
-  printf "%s\n" "$as_me: failed program was:" >&5
+else
+  $as_echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "cannot compute suffix of object files: cannot compile
 See \`config.log' for more details" "$LINENO" 5; }
 fi
 rm -f conftest.$ac_cv_objext conftest.$ac_ext
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_objext" >&5
-printf "%s\n" "$ac_cv_objext" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_objext" >&5
+$as_echo "$ac_cv_objext" >&6; }
 OBJEXT=$ac_cv_objext
 ac_objext=$OBJEXT
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports GNU C" >&5
-printf %s "checking whether the compiler supports GNU C... " >&6; }
-if test ${ac_cv_c_compiler_gnu+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the GNU C compiler" >&5
+$as_echo_n "checking whether we are using the GNU C compiler... " >&6; }
+if ${ac_cv_c_compiler_gnu+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
-main (void)
+main ()
 {
 #ifndef __GNUC__
        choke me
@@ -3406,33 +2843,29 @@ main (void)
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"
-then :
+if ac_fn_c_try_compile "$LINENO"; then :
   ac_compiler_gnu=yes
-else $as_nop
+else
   ac_compiler_gnu=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 ac_cv_c_compiler_gnu=$ac_compiler_gnu
 
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_compiler_gnu" >&5
-printf "%s\n" "$ac_cv_c_compiler_gnu" >&6; }
-ac_compiler_gnu=$ac_cv_c_compiler_gnu
-
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_compiler_gnu" >&5
+$as_echo "$ac_cv_c_compiler_gnu" >&6; }
 if test $ac_compiler_gnu = yes; then
   GCC=yes
 else
   GCC=
 fi
-ac_test_CFLAGS=${CFLAGS+y}
+ac_test_CFLAGS=${CFLAGS+set}
 ac_save_CFLAGS=$CFLAGS
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -g" >&5
-printf %s "checking whether $CC accepts -g... " >&6; }
-if test ${ac_cv_prog_cc_g+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -g" >&5
+$as_echo_n "checking whether $CC accepts -g... " >&6; }
+if ${ac_cv_prog_cc_g+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   ac_save_c_werror_flag=$ac_c_werror_flag
    ac_c_werror_flag=yes
    ac_cv_prog_cc_g=no
@@ -3441,60 +2874,57 @@ else $as_nop
 /* end confdefs.h.  */
 
 int
-main (void)
+main ()
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"
-then :
+if ac_fn_c_try_compile "$LINENO"; then :
   ac_cv_prog_cc_g=yes
-else $as_nop
+else
   CFLAGS=""
       cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
-main (void)
+main ()
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"
-then :
+if ac_fn_c_try_compile "$LINENO"; then :
 
-else $as_nop
+else
   ac_c_werror_flag=$ac_save_c_werror_flag
 	 CFLAGS="-g"
 	 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
-main (void)
+main ()
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"
-then :
+if ac_fn_c_try_compile "$LINENO"; then :
   ac_cv_prog_cc_g=yes
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
    ac_c_werror_flag=$ac_save_c_werror_flag
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_g" >&5
-printf "%s\n" "$ac_cv_prog_cc_g" >&6; }
-if test $ac_test_CFLAGS; then
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_g" >&5
+$as_echo "$ac_cv_prog_cc_g" >&6; }
+if test "$ac_test_CFLAGS" = set; then
   CFLAGS=$ac_save_CFLAGS
 elif test $ac_cv_prog_cc_g = yes; then
   if test "$GCC" = yes; then
@@ -3509,144 +2939,94 @@ else
     CFLAGS=
   fi
 fi
-ac_prog_cc_stdc=no
-if test x$ac_prog_cc_stdc = xno
-then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $CC option to enable C11 features" >&5
-printf %s "checking for $CC option to enable C11 features... " >&6; }
-if test ${ac_cv_prog_cc_c11+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
-  ac_cv_prog_cc_c11=no
-ac_save_CC=$CC
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-$ac_c_conftest_c11_program
-_ACEOF
-for ac_arg in '' -std=gnu11
-do
-  CC="$ac_save_CC $ac_arg"
-  if ac_fn_c_try_compile "$LINENO"
-then :
-  ac_cv_prog_cc_c11=$ac_arg
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam
-  test "x$ac_cv_prog_cc_c11" != "xno" && break
-done
-rm -f conftest.$ac_ext
-CC=$ac_save_CC
-fi
-
-if test "x$ac_cv_prog_cc_c11" = xno
-then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
-printf "%s\n" "unsupported" >&6; }
-else $as_nop
-  if test "x$ac_cv_prog_cc_c11" = x
-then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
-printf "%s\n" "none needed" >&6; }
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c11" >&5
-printf "%s\n" "$ac_cv_prog_cc_c11" >&6; }
-     CC="$CC $ac_cv_prog_cc_c11"
-fi
-  ac_cv_prog_cc_stdc=$ac_cv_prog_cc_c11
-  ac_prog_cc_stdc=c11
-fi
-fi
-if test x$ac_prog_cc_stdc = xno
-then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $CC option to enable C99 features" >&5
-printf %s "checking for $CC option to enable C99 features... " >&6; }
-if test ${ac_cv_prog_cc_c99+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
-  ac_cv_prog_cc_c99=no
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $CC option to accept ISO C89" >&5
+$as_echo_n "checking for $CC option to accept ISO C89... " >&6; }
+if ${ac_cv_prog_cc_c89+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_cv_prog_cc_c89=no
 ac_save_CC=$CC
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
-$ac_c_conftest_c99_program
-_ACEOF
-for ac_arg in '' -std=gnu99 -std=c99 -c99 -qlanglvl=extc1x -qlanglvl=extc99 -AC99 -D_STDC_C99=
-do
-  CC="$ac_save_CC $ac_arg"
-  if ac_fn_c_try_compile "$LINENO"
-then :
-  ac_cv_prog_cc_c99=$ac_arg
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam
-  test "x$ac_cv_prog_cc_c99" != "xno" && break
-done
-rm -f conftest.$ac_ext
-CC=$ac_save_CC
-fi
+#include <stdarg.h>
+#include <stdio.h>
+struct stat;
+/* Most of the following tests are stolen from RCS 5.7's src/conf.sh.  */
+struct buf { int x; };
+FILE * (*rcsopen) (struct buf *, struct stat *, int);
+static char *e (p, i)
+     char **p;
+     int i;
+{
+  return p[i];
+}
+static char *f (char * (*g) (char **, int), char **p, ...)
+{
+  char *s;
+  va_list v;
+  va_start (v,p);
+  s = g (p, va_arg (v,int));
+  va_end (v);
+  return s;
+}
 
-if test "x$ac_cv_prog_cc_c99" = xno
-then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
-printf "%s\n" "unsupported" >&6; }
-else $as_nop
-  if test "x$ac_cv_prog_cc_c99" = x
-then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
-printf "%s\n" "none needed" >&6; }
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c99" >&5
-printf "%s\n" "$ac_cv_prog_cc_c99" >&6; }
-     CC="$CC $ac_cv_prog_cc_c99"
-fi
-  ac_cv_prog_cc_stdc=$ac_cv_prog_cc_c99
-  ac_prog_cc_stdc=c99
-fi
-fi
-if test x$ac_prog_cc_stdc = xno
-then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $CC option to enable C89 features" >&5
-printf %s "checking for $CC option to enable C89 features... " >&6; }
-if test ${ac_cv_prog_cc_c89+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
-  ac_cv_prog_cc_c89=no
-ac_save_CC=$CC
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-$ac_c_conftest_c89_program
+/* OSF 4.0 Compaq cc is some sort of almost-ANSI by default.  It has
+   function prototypes and stuff, but not '\xHH' hex character constants.
+   These don't provoke an error unfortunately, instead are silently treated
+   as 'x'.  The following induces an error, until -std is added to get
+   proper ANSI mode.  Curiously '\x00'!='x' always comes out true, for an
+   array size at least.  It's necessary to write '\x00'==0 to get something
+   that's true only with -std.  */
+int osf4_cc_array ['\x00' == 0 ? 1 : -1];
+
+/* IBM C 6 for AIX is almost-ANSI by default, but it replaces macro parameters
+   inside strings and character constants.  */
+#define FOO(x) 'x'
+int xlc6_cc_array[FOO(a) == 'x' ? 1 : -1];
+
+int test (int i, double x);
+struct s1 {int (*f) (int a);};
+struct s2 {int (*f) (double a);};
+int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int);
+int argc;
+char **argv;
+int
+main ()
+{
+return f (e, argv, 0) != argv[0]  ||  f (e, argv, 1) != argv[1];
+  ;
+  return 0;
+}
 _ACEOF
-for ac_arg in '' -qlanglvl=extc89 -qlanglvl=ansi -std -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
+for ac_arg in '' -qlanglvl=extc89 -qlanglvl=ansi -std \
+	-Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
 do
   CC="$ac_save_CC $ac_arg"
-  if ac_fn_c_try_compile "$LINENO"
-then :
+  if ac_fn_c_try_compile "$LINENO"; then :
   ac_cv_prog_cc_c89=$ac_arg
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam
+rm -f core conftest.err conftest.$ac_objext
   test "x$ac_cv_prog_cc_c89" != "xno" && break
 done
 rm -f conftest.$ac_ext
 CC=$ac_save_CC
-fi
 
-if test "x$ac_cv_prog_cc_c89" = xno
-then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
-printf "%s\n" "unsupported" >&6; }
-else $as_nop
-  if test "x$ac_cv_prog_cc_c89" = x
-then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
-printf "%s\n" "none needed" >&6; }
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c89" >&5
-printf "%s\n" "$ac_cv_prog_cc_c89" >&6; }
-     CC="$CC $ac_cv_prog_cc_c89"
-fi
-  ac_cv_prog_cc_stdc=$ac_cv_prog_cc_c89
-  ac_prog_cc_stdc=c89
 fi
+# AC_CACHE_VAL
+case "x$ac_cv_prog_cc_c89" in
+  x)
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
+$as_echo "none needed" >&6; } ;;
+  xno)
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
+$as_echo "unsupported" >&6; } ;;
+  *)
+    CC="$CC $ac_cv_prog_cc_c89"
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c89" >&5
+$as_echo "$ac_cv_prog_cc_c89" >&6; } ;;
+esac
+if test "x$ac_cv_prog_cc_c89" != xno; then :
+
 fi
 
 ac_ext=cpp
@@ -3655,12 +3035,6 @@ ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
-
-
-
-
-
-
 ac_ext=cpp
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -3671,16 +3045,15 @@ if test -z "$CXX"; then
     CXX=$CCC
   else
     if test -n "$ac_tool_prefix"; then
-  for ac_prog in g++ c++ gpp aCC CC cxx cc++ cl.exe FCC KCC RCC xlC_r xlC clang++
+  for ac_prog in g++ c++ gpp aCC CC cxx cc++ cl.exe FCC KCC RCC xlC_r xlC
   do
     # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
 set dummy $ac_tool_prefix$ac_prog; ac_word=$2
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-printf %s "checking for $ac_word... " >&6; }
-if test ${ac_cv_prog_CXX+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_CXX+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   if test -n "$CXX"; then
   ac_cv_prog_CXX="$CXX" # Let the user override the test.
 else
@@ -3688,15 +3061,11 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  case $as_dir in #(((
-    '') as_dir=./ ;;
-    */) ;;
-    *) as_dir=$as_dir/ ;;
-  esac
+  test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_CXX="$ac_tool_prefix$ac_prog"
-    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -3707,11 +3076,11 @@ fi
 fi
 CXX=$ac_cv_prog_CXX
 if test -n "$CXX"; then
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CXX" >&5
-printf "%s\n" "$CXX" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CXX" >&5
+$as_echo "$CXX" >&6; }
 else
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 fi
 
 
@@ -3720,16 +3089,15 @@ fi
 fi
 if test -z "$CXX"; then
   ac_ct_CXX=$CXX
-  for ac_prog in g++ c++ gpp aCC CC cxx cc++ cl.exe FCC KCC RCC xlC_r xlC clang++
+  for ac_prog in g++ c++ gpp aCC CC cxx cc++ cl.exe FCC KCC RCC xlC_r xlC
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-printf %s "checking for $ac_word... " >&6; }
-if test ${ac_cv_prog_ac_ct_CXX+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_ac_ct_CXX+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   if test -n "$ac_ct_CXX"; then
   ac_cv_prog_ac_ct_CXX="$ac_ct_CXX" # Let the user override the test.
 else
@@ -3737,15 +3105,11 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  case $as_dir in #(((
-    '') as_dir=./ ;;
-    */) ;;
-    *) as_dir=$as_dir/ ;;
-  esac
+  test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_ac_ct_CXX="$ac_prog"
-    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -3756,11 +3120,11 @@ fi
 fi
 ac_ct_CXX=$ac_cv_prog_ac_ct_CXX
 if test -n "$ac_ct_CXX"; then
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CXX" >&5
-printf "%s\n" "$ac_ct_CXX" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CXX" >&5
+$as_echo "$ac_ct_CXX" >&6; }
 else
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 fi
 
 
@@ -3772,8 +3136,8 @@ done
   else
     case $cross_compiling:$ac_tool_warned in
 yes:)
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
 ac_tool_warned=yes ;;
 esac
     CXX=$ac_ct_CXX
@@ -3783,7 +3147,7 @@ fi
   fi
 fi
 # Provide some information about the compiler.
-printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for C++ compiler version" >&5
+$as_echo "$as_me:${as_lineno-$LINENO}: checking for C++ compiler version" >&5
 set X $ac_compile
 ac_compiler=$2
 for ac_option in --version -v -V -qversion; do
@@ -3793,7 +3157,7 @@ case "(($ac_try" in
   *) ac_try_echo=$ac_try;;
 esac
 eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-printf "%s\n" "$ac_try_echo"; } >&5
+$as_echo "$ac_try_echo"; } >&5
   (eval "$ac_compiler $ac_option >&5") 2>conftest.err
   ac_status=$?
   if test -s conftest.err; then
@@ -3803,21 +3167,20 @@ printf "%s\n" "$ac_try_echo"; } >&5
     cat conftest.er1 >&5
   fi
   rm -f conftest.er1 conftest.err
-  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }
 done
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports GNU C++" >&5
-printf %s "checking whether the compiler supports GNU C++... " >&6; }
-if test ${ac_cv_cxx_compiler_gnu+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the GNU C++ compiler" >&5
+$as_echo_n "checking whether we are using the GNU C++ compiler... " >&6; }
+if ${ac_cv_cxx_compiler_gnu+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
-main (void)
+main ()
 {
 #ifndef __GNUC__
        choke me
@@ -3827,33 +3190,29 @@ main (void)
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"
-then :
+if ac_fn_cxx_try_compile "$LINENO"; then :
   ac_compiler_gnu=yes
-else $as_nop
+else
   ac_compiler_gnu=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 ac_cv_cxx_compiler_gnu=$ac_compiler_gnu
 
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_cxx_compiler_gnu" >&5
-printf "%s\n" "$ac_cv_cxx_compiler_gnu" >&6; }
-ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_cxx_compiler_gnu" >&5
+$as_echo "$ac_cv_cxx_compiler_gnu" >&6; }
 if test $ac_compiler_gnu = yes; then
   GXX=yes
 else
   GXX=
 fi
-ac_test_CXXFLAGS=${CXXFLAGS+y}
+ac_test_CXXFLAGS=${CXXFLAGS+set}
 ac_save_CXXFLAGS=$CXXFLAGS
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CXX accepts -g" >&5
-printf %s "checking whether $CXX accepts -g... " >&6; }
-if test ${ac_cv_prog_cxx_g+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CXX accepts -g" >&5
+$as_echo_n "checking whether $CXX accepts -g... " >&6; }
+if ${ac_cv_prog_cxx_g+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   ac_save_cxx_werror_flag=$ac_cxx_werror_flag
    ac_cxx_werror_flag=yes
    ac_cv_prog_cxx_g=no
@@ -3862,60 +3221,57 @@ else $as_nop
 /* end confdefs.h.  */
 
 int
-main (void)
+main ()
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"
-then :
+if ac_fn_cxx_try_compile "$LINENO"; then :
   ac_cv_prog_cxx_g=yes
-else $as_nop
+else
   CXXFLAGS=""
       cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
-main (void)
+main ()
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"
-then :
+if ac_fn_cxx_try_compile "$LINENO"; then :
 
-else $as_nop
+else
   ac_cxx_werror_flag=$ac_save_cxx_werror_flag
 	 CXXFLAGS="-g"
 	 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
-main (void)
+main ()
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"
-then :
+if ac_fn_cxx_try_compile "$LINENO"; then :
   ac_cv_prog_cxx_g=yes
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
    ac_cxx_werror_flag=$ac_save_cxx_werror_flag
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cxx_g" >&5
-printf "%s\n" "$ac_cv_prog_cxx_g" >&6; }
-if test $ac_test_CXXFLAGS; then
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cxx_g" >&5
+$as_echo "$ac_cv_prog_cxx_g" >&6; }
+if test "$ac_test_CXXFLAGS" = set; then
   CXXFLAGS=$ac_save_CXXFLAGS
 elif test $ac_cv_prog_cxx_g = yes; then
   if test "$GXX" = yes; then
@@ -3930,100 +3286,6 @@ else
     CXXFLAGS=
   fi
 fi
-ac_prog_cxx_stdcxx=no
-if test x$ac_prog_cxx_stdcxx = xno
-then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $CXX option to enable C++11 features" >&5
-printf %s "checking for $CXX option to enable C++11 features... " >&6; }
-if test ${ac_cv_prog_cxx_11+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
-  ac_cv_prog_cxx_11=no
-ac_save_CXX=$CXX
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-$ac_cxx_conftest_cxx11_program
-_ACEOF
-for ac_arg in '' -std=gnu++11 -std=gnu++0x -std=c++11 -std=c++0x -qlanglvl=extended0x -AA
-do
-  CXX="$ac_save_CXX $ac_arg"
-  if ac_fn_cxx_try_compile "$LINENO"
-then :
-  ac_cv_prog_cxx_cxx11=$ac_arg
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam
-  test "x$ac_cv_prog_cxx_cxx11" != "xno" && break
-done
-rm -f conftest.$ac_ext
-CXX=$ac_save_CXX
-fi
-
-if test "x$ac_cv_prog_cxx_cxx11" = xno
-then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
-printf "%s\n" "unsupported" >&6; }
-else $as_nop
-  if test "x$ac_cv_prog_cxx_cxx11" = x
-then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
-printf "%s\n" "none needed" >&6; }
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cxx_cxx11" >&5
-printf "%s\n" "$ac_cv_prog_cxx_cxx11" >&6; }
-     CXX="$CXX $ac_cv_prog_cxx_cxx11"
-fi
-  ac_cv_prog_cxx_stdcxx=$ac_cv_prog_cxx_cxx11
-  ac_prog_cxx_stdcxx=cxx11
-fi
-fi
-if test x$ac_prog_cxx_stdcxx = xno
-then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $CXX option to enable C++98 features" >&5
-printf %s "checking for $CXX option to enable C++98 features... " >&6; }
-if test ${ac_cv_prog_cxx_98+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
-  ac_cv_prog_cxx_98=no
-ac_save_CXX=$CXX
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-$ac_cxx_conftest_cxx98_program
-_ACEOF
-for ac_arg in '' -std=gnu++98 -std=c++98 -qlanglvl=extended -AA
-do
-  CXX="$ac_save_CXX $ac_arg"
-  if ac_fn_cxx_try_compile "$LINENO"
-then :
-  ac_cv_prog_cxx_cxx98=$ac_arg
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam
-  test "x$ac_cv_prog_cxx_cxx98" != "xno" && break
-done
-rm -f conftest.$ac_ext
-CXX=$ac_save_CXX
-fi
-
-if test "x$ac_cv_prog_cxx_cxx98" = xno
-then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
-printf "%s\n" "unsupported" >&6; }
-else $as_nop
-  if test "x$ac_cv_prog_cxx_cxx98" = x
-then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
-printf "%s\n" "none needed" >&6; }
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cxx_cxx98" >&5
-printf "%s\n" "$ac_cv_prog_cxx_cxx98" >&6; }
-     CXX="$CXX $ac_cv_prog_cxx_cxx98"
-fi
-  ac_cv_prog_cxx_stdcxx=$ac_cv_prog_cxx_cxx98
-  ac_prog_cxx_stdcxx=cxx98
-fi
-fi
-
 ac_ext=cpp
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -4031,12 +3293,11 @@ ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ex
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether C++ compiler accepts -std=c++17" >&5
-printf %s "checking whether C++ compiler accepts -std=c++17... " >&6; }
-if test ${ax_cv_check_cxxflags___std_cpp14+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C++ compiler accepts -std=c++17" >&5
+$as_echo_n "checking whether C++ compiler accepts -std=c++17... " >&6; }
+if ${ax_cv_check_cxxflags___std_cpp17+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
 
   ax_check_save_flags=$CXXFLAGS
   CXXFLAGS="$CXXFLAGS  -std=c++17"
@@ -4044,28 +3305,26 @@ else $as_nop
 /* end confdefs.h.  */
 
 int
-main (void)
+main ()
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"
-then :
-  ax_cv_check_cxxflags___std_cpp14=yes
-else $as_nop
-  ax_cv_check_cxxflags___std_cpp14=no
+if ac_fn_cxx_try_compile "$LINENO"; then :
+  ax_cv_check_cxxflags___std_cpp17=yes
+else
+  ax_cv_check_cxxflags___std_cpp17=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
   CXXFLAGS=$ax_check_save_flags
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_check_cxxflags___std_cpp14" >&5
-printf "%s\n" "$ax_cv_check_cxxflags___std_cpp14" >&6; }
-if test "x$ax_cv_check_cxxflags___std_cpp14" = xyes
-then :
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_check_cxxflags___std_cpp17" >&5
+$as_echo "$ax_cv_check_cxxflags___std_cpp17" >&6; }
+if test "x$ax_cv_check_cxxflags___std_cpp17" = xyes; then :
   :
-else $as_nop
+else
   as_fn_error $? "C++ compiler does not support -std=c++17." "$LINENO" 5
 fi
 
@@ -4073,446 +3332,818 @@ fi
 # Find required libraries
 
 if test "x$enable_wasm" != "xyes"; then
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing pthread_create" >&5
-printf %s "checking for library containing pthread_create... " >&6; }
-if test ${ac_cv_search_pthread_create+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing pthread_create" >&5
+$as_echo_n "checking for library containing pthread_create... " >&6; }
+if ${ac_cv_search_pthread_create+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   ac_func_search_save_LIBS=$LIBS
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
-namespace conftest {
-  extern "C" int pthread_create ();
-}
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char pthread_create ();
 int
-main (void)
+main ()
 {
-return conftest::pthread_create ();
+return pthread_create ();
   ;
   return 0;
 }
 _ACEOF
-for ac_lib in '' pthread
-do
+for ac_lib in '' pthread; do
   if test -z "$ac_lib"; then
     ac_res="none required"
   else
     ac_res=-l$ac_lib
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
   fi
-  if ac_fn_cxx_try_link "$LINENO"
-then :
+  if ac_fn_cxx_try_link "$LINENO"; then :
   ac_cv_search_pthread_create=$ac_res
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
+rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext
-  if test ${ac_cv_search_pthread_create+y}
-then :
+  if ${ac_cv_search_pthread_create+:} false; then :
   break
 fi
 done
-if test ${ac_cv_search_pthread_create+y}
-then :
+if ${ac_cv_search_pthread_create+:} false; then :
 
-else $as_nop
+else
   ac_cv_search_pthread_create=no
 fi
 rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_pthread_create" >&5
-printf "%s\n" "$ac_cv_search_pthread_create" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_pthread_create" >&5
+$as_echo "$ac_cv_search_pthread_create" >&6; }
 ac_res=$ac_cv_search_pthread_create
-if test "$ac_res" != no
-then :
+if test "$ac_res" != no; then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
 
-else $as_nop
+else
   as_fn_error $? "Could not find pthread library." "$LINENO" 5
 fi
 
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing dlopen" >&5
-printf %s "checking for library containing dlopen... " >&6; }
-if test ${ac_cv_search_dlopen+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing dlopen" >&5
+$as_echo_n "checking for library containing dlopen... " >&6; }
+if ${ac_cv_search_dlopen+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   ac_func_search_save_LIBS=$LIBS
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
-namespace conftest {
-  extern "C" int dlopen ();
-}
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char dlopen ();
 int
-main (void)
+main ()
 {
-return conftest::dlopen ();
+return dlopen ();
   ;
   return 0;
 }
 _ACEOF
-for ac_lib in '' dl
-do
+for ac_lib in '' dl; do
   if test -z "$ac_lib"; then
     ac_res="none required"
   else
     ac_res=-l$ac_lib
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
   fi
-  if ac_fn_cxx_try_link "$LINENO"
-then :
+  if ac_fn_cxx_try_link "$LINENO"; then :
   ac_cv_search_dlopen=$ac_res
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
+rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext
-  if test ${ac_cv_search_dlopen+y}
-then :
+  if ${ac_cv_search_dlopen+:} false; then :
   break
 fi
 done
-if test ${ac_cv_search_dlopen+y}
-then :
+if ${ac_cv_search_dlopen+:} false; then :
 
-else $as_nop
+else
   ac_cv_search_dlopen=no
 fi
 rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_dlopen" >&5
-printf "%s\n" "$ac_cv_search_dlopen" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_dlopen" >&5
+$as_echo "$ac_cv_search_dlopen" >&6; }
 ac_res=$ac_cv_search_dlopen
-if test "$ac_res" != no
-then :
+if test "$ac_res" != no; then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
 
-else $as_nop
+else
   as_fn_error $? "Could not find dl library." "$LINENO" 5
 fi
 
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing SDL_Init" >&5
-printf %s "checking for library containing SDL_Init... " >&6; }
-if test ${ac_cv_search_SDL_Init+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing SDL_Init" >&5
+$as_echo_n "checking for library containing SDL_Init... " >&6; }
+if ${ac_cv_search_SDL_Init+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   ac_func_search_save_LIBS=$LIBS
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
-namespace conftest {
-  extern "C" int SDL_Init ();
-}
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char SDL_Init ();
 int
-main (void)
+main ()
 {
-return conftest::SDL_Init ();
+return SDL_Init ();
   ;
   return 0;
 }
 _ACEOF
-for ac_lib in '' SDL2
-do
+for ac_lib in '' SDL2; do
   if test -z "$ac_lib"; then
     ac_res="none required"
   else
     ac_res=-l$ac_lib
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
   fi
-  if ac_fn_cxx_try_link "$LINENO"
-then :
+  if ac_fn_cxx_try_link "$LINENO"; then :
   ac_cv_search_SDL_Init=$ac_res
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
+rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext
-  if test ${ac_cv_search_SDL_Init+y}
-then :
+  if ${ac_cv_search_SDL_Init+:} false; then :
   break
 fi
 done
-if test ${ac_cv_search_SDL_Init+y}
-then :
+if ${ac_cv_search_SDL_Init+:} false; then :
 
-else $as_nop
+else
   ac_cv_search_SDL_Init=no
 fi
 rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_SDL_Init" >&5
-printf "%s\n" "$ac_cv_search_SDL_Init" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_SDL_Init" >&5
+$as_echo "$ac_cv_search_SDL_Init" >&6; }
 ac_res=$ac_cv_search_SDL_Init
-if test "$ac_res" != no
-then :
+if test "$ac_res" != no; then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
 
-else $as_nop
+else
   as_fn_error $? "Could not find SDL2 library." "$LINENO" 5
 fi
 
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing SSL_new" >&5
-printf %s "checking for library containing SSL_new... " >&6; }
-if test ${ac_cv_search_SSL_new+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing SSL_new" >&5
+$as_echo_n "checking for library containing SSL_new... " >&6; }
+if ${ac_cv_search_SSL_new+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   ac_func_search_save_LIBS=$LIBS
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
-namespace conftest {
-  extern "C" int SSL_new ();
-}
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char SSL_new ();
 int
-main (void)
+main ()
 {
-return conftest::SSL_new ();
+return SSL_new ();
   ;
   return 0;
 }
 _ACEOF
-for ac_lib in '' ssl
-do
+for ac_lib in '' ssl; do
   if test -z "$ac_lib"; then
     ac_res="none required"
   else
     ac_res=-l$ac_lib
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
   fi
-  if ac_fn_cxx_try_link "$LINENO"
-then :
+  if ac_fn_cxx_try_link "$LINENO"; then :
   ac_cv_search_SSL_new=$ac_res
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
+rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext
-  if test ${ac_cv_search_SSL_new+y}
-then :
+  if ${ac_cv_search_SSL_new+:} false; then :
   break
 fi
 done
-if test ${ac_cv_search_SSL_new+y}
-then :
+if ${ac_cv_search_SSL_new+:} false; then :
 
-else $as_nop
+else
   ac_cv_search_SSL_new=no
 fi
 rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_SSL_new" >&5
-printf "%s\n" "$ac_cv_search_SSL_new" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_SSL_new" >&5
+$as_echo "$ac_cv_search_SSL_new" >&6; }
 ac_res=$ac_cv_search_SSL_new
-if test "$ac_res" != no
-then :
+if test "$ac_res" != no; then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
 
-else $as_nop
+else
   as_fn_error $? "Could not find OpenSSL library." "$LINENO" 5
 fi
 
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing RSA_new" >&5
-printf %s "checking for library containing RSA_new... " >&6; }
-if test ${ac_cv_search_RSA_new+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing RSA_new" >&5
+$as_echo_n "checking for library containing RSA_new... " >&6; }
+if ${ac_cv_search_RSA_new+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   ac_func_search_save_LIBS=$LIBS
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
-namespace conftest {
-  extern "C" int RSA_new ();
-}
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char RSA_new ();
 int
-main (void)
+main ()
 {
-return conftest::RSA_new ();
+return RSA_new ();
   ;
   return 0;
 }
 _ACEOF
-for ac_lib in '' crypto
-do
+for ac_lib in '' crypto; do
   if test -z "$ac_lib"; then
     ac_res="none required"
   else
     ac_res=-l$ac_lib
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
   fi
-  if ac_fn_cxx_try_link "$LINENO"
-then :
+  if ac_fn_cxx_try_link "$LINENO"; then :
   ac_cv_search_RSA_new=$ac_res
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
+rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext
-  if test ${ac_cv_search_RSA_new+y}
-then :
+  if ${ac_cv_search_RSA_new+:} false; then :
   break
 fi
 done
-if test ${ac_cv_search_RSA_new+y}
-then :
+if ${ac_cv_search_RSA_new+:} false; then :
 
-else $as_nop
+else
   ac_cv_search_RSA_new=no
 fi
 rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_RSA_new" >&5
-printf "%s\n" "$ac_cv_search_RSA_new" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_RSA_new" >&5
+$as_echo "$ac_cv_search_RSA_new" >&6; }
 ac_res=$ac_cv_search_RSA_new
-if test "$ac_res" != no
-then :
+if test "$ac_res" != no; then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
 
-else $as_nop
+else
   as_fn_error $? "Could not find OpenSSL crypto library." "$LINENO" 5
 fi
 
 fi
 
-ac_header= ac_cache=
-for ac_item in $ac_header_cxx_list
+ac_ext=cpp
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to run the C++ preprocessor" >&5
+$as_echo_n "checking how to run the C++ preprocessor... " >&6; }
+if test -z "$CXXCPP"; then
+  if ${ac_cv_prog_CXXCPP+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+      # Double quotes because CXXCPP needs to be expanded
+    for CXXCPP in "$CXX -E" "/lib/cpp"
+    do
+      ac_preproc_ok=false
+for ac_cxx_preproc_warn_flag in '' yes
+do
+  # Use a header file that comes with gcc, so configuring glibc
+  # with a fresh cross-compiler works.
+  # Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+  # <limits.h> exists even on freestanding compilers.
+  # On the NeXT, cc -E runs the code through the compiler's parser,
+  # not just through cpp. "Syntax error" is here to catch this case.
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+		     Syntax error
+_ACEOF
+if ac_fn_cxx_try_cpp "$LINENO"; then :
+
+else
+  # Broken: fails on valid input.
+continue
+fi
+rm -f conftest.err conftest.i conftest.$ac_ext
+
+  # OK, works on sane cases.  Now check whether nonexistent headers
+  # can be detected and how.
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <ac_nonexistent.h>
+_ACEOF
+if ac_fn_cxx_try_cpp "$LINENO"; then :
+  # Broken: success on invalid input.
+continue
+else
+  # Passes both tests.
+ac_preproc_ok=:
+break
+fi
+rm -f conftest.err conftest.i conftest.$ac_ext
+
+done
+# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
+rm -f conftest.i conftest.err conftest.$ac_ext
+if $ac_preproc_ok; then :
+  break
+fi
+
+    done
+    ac_cv_prog_CXXCPP=$CXXCPP
+
+fi
+  CXXCPP=$ac_cv_prog_CXXCPP
+else
+  ac_cv_prog_CXXCPP=$CXXCPP
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $CXXCPP" >&5
+$as_echo "$CXXCPP" >&6; }
+ac_preproc_ok=false
+for ac_cxx_preproc_warn_flag in '' yes
+do
+  # Use a header file that comes with gcc, so configuring glibc
+  # with a fresh cross-compiler works.
+  # Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+  # <limits.h> exists even on freestanding compilers.
+  # On the NeXT, cc -E runs the code through the compiler's parser,
+  # not just through cpp. "Syntax error" is here to catch this case.
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+		     Syntax error
+_ACEOF
+if ac_fn_cxx_try_cpp "$LINENO"; then :
+
+else
+  # Broken: fails on valid input.
+continue
+fi
+rm -f conftest.err conftest.i conftest.$ac_ext
+
+  # OK, works on sane cases.  Now check whether nonexistent headers
+  # can be detected and how.
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <ac_nonexistent.h>
+_ACEOF
+if ac_fn_cxx_try_cpp "$LINENO"; then :
+  # Broken: success on invalid input.
+continue
+else
+  # Passes both tests.
+ac_preproc_ok=:
+break
+fi
+rm -f conftest.err conftest.i conftest.$ac_ext
+
+done
+# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
+rm -f conftest.i conftest.err conftest.$ac_ext
+if $ac_preproc_ok; then :
+
+else
+  { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error $? "C++ preprocessor \"$CXXCPP\" fails sanity check
+See \`config.log' for more details" "$LINENO" 5; }
+fi
+
+ac_ext=cpp
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for grep that handles long lines and -e" >&5
+$as_echo_n "checking for grep that handles long lines and -e... " >&6; }
+if ${ac_cv_path_GREP+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -z "$GREP"; then
+  ac_path_GREP_found=false
+  # Loop through the user's path and test for each of PROGNAME-LIST
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_prog in grep ggrep; do
+    for ac_exec_ext in '' $ac_executable_extensions; do
+      ac_path_GREP="$as_dir/$ac_prog$ac_exec_ext"
+      as_fn_executable_p "$ac_path_GREP" || continue
+# Check for GNU ac_path_GREP and select it if it is found.
+  # Check for GNU $ac_path_GREP
+case `"$ac_path_GREP" --version 2>&1` in
+*GNU*)
+  ac_cv_path_GREP="$ac_path_GREP" ac_path_GREP_found=:;;
+*)
+  ac_count=0
+  $as_echo_n 0123456789 >"conftest.in"
+  while :
+  do
+    cat "conftest.in" "conftest.in" >"conftest.tmp"
+    mv "conftest.tmp" "conftest.in"
+    cp "conftest.in" "conftest.nl"
+    $as_echo 'GREP' >> "conftest.nl"
+    "$ac_path_GREP" -e 'GREP$' -e '-(cannot match)-' < "conftest.nl" >"conftest.out" 2>/dev/null || break
+    diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
+    as_fn_arith $ac_count + 1 && ac_count=$as_val
+    if test $ac_count -gt ${ac_path_GREP_max-0}; then
+      # Best one so far, save it but keep looking for a better one
+      ac_cv_path_GREP="$ac_path_GREP"
+      ac_path_GREP_max=$ac_count
+    fi
+    # 10*(2^10) chars as input seems more than enough
+    test $ac_count -gt 10 && break
+  done
+  rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
+esac
+
+      $ac_path_GREP_found && break 3
+    done
+  done
+  done
+IFS=$as_save_IFS
+  if test -z "$ac_cv_path_GREP"; then
+    as_fn_error $? "no acceptable grep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
+  fi
+else
+  ac_cv_path_GREP=$GREP
+fi
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_GREP" >&5
+$as_echo "$ac_cv_path_GREP" >&6; }
+ GREP="$ac_cv_path_GREP"
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for egrep" >&5
+$as_echo_n "checking for egrep... " >&6; }
+if ${ac_cv_path_EGREP+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if echo a | $GREP -E '(a|b)' >/dev/null 2>&1
+   then ac_cv_path_EGREP="$GREP -E"
+   else
+     if test -z "$EGREP"; then
+  ac_path_EGREP_found=false
+  # Loop through the user's path and test for each of PROGNAME-LIST
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
 do
-  if test $ac_cache; then
-    ac_fn_cxx_check_header_compile "$LINENO" $ac_header ac_cv_header_$ac_cache "$ac_includes_default"
-    if eval test \"x\$ac_cv_header_$ac_cache\" = xyes; then
-      printf "%s\n" "#define $ac_item 1" >> confdefs.h
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_prog in egrep; do
+    for ac_exec_ext in '' $ac_executable_extensions; do
+      ac_path_EGREP="$as_dir/$ac_prog$ac_exec_ext"
+      as_fn_executable_p "$ac_path_EGREP" || continue
+# Check for GNU ac_path_EGREP and select it if it is found.
+  # Check for GNU $ac_path_EGREP
+case `"$ac_path_EGREP" --version 2>&1` in
+*GNU*)
+  ac_cv_path_EGREP="$ac_path_EGREP" ac_path_EGREP_found=:;;
+*)
+  ac_count=0
+  $as_echo_n 0123456789 >"conftest.in"
+  while :
+  do
+    cat "conftest.in" "conftest.in" >"conftest.tmp"
+    mv "conftest.tmp" "conftest.in"
+    cp "conftest.in" "conftest.nl"
+    $as_echo 'EGREP' >> "conftest.nl"
+    "$ac_path_EGREP" 'EGREP$' < "conftest.nl" >"conftest.out" 2>/dev/null || break
+    diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
+    as_fn_arith $ac_count + 1 && ac_count=$as_val
+    if test $ac_count -gt ${ac_path_EGREP_max-0}; then
+      # Best one so far, save it but keep looking for a better one
+      ac_cv_path_EGREP="$ac_path_EGREP"
+      ac_path_EGREP_max=$ac_count
     fi
-    ac_header= ac_cache=
-  elif test $ac_header; then
-    ac_cache=$ac_item
-  else
-    ac_header=$ac_item
+    # 10*(2^10) chars as input seems more than enough
+    test $ac_count -gt 10 && break
+  done
+  rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
+esac
+
+      $ac_path_EGREP_found && break 3
+    done
+  done
+  done
+IFS=$as_save_IFS
+  if test -z "$ac_cv_path_EGREP"; then
+    as_fn_error $? "no acceptable egrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
   fi
-done
+else
+  ac_cv_path_EGREP=$EGREP
+fi
+
+   fi
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_EGREP" >&5
+$as_echo "$ac_cv_path_EGREP" >&6; }
+ EGREP="$ac_cv_path_EGREP"
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ANSI C header files" >&5
+$as_echo_n "checking for ANSI C header files... " >&6; }
+if ${ac_cv_header_stdc+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <stdlib.h>
+#include <stdarg.h>
+#include <string.h>
+#include <float.h>
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"; then :
+  ac_cv_header_stdc=yes
+else
+  ac_cv_header_stdc=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+if test $ac_cv_header_stdc = yes; then
+  # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <string.h>
+
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "memchr" >/dev/null 2>&1; then :
+
+else
+  ac_cv_header_stdc=no
+fi
+rm -f conftest*
+
+fi
+
+if test $ac_cv_header_stdc = yes; then
+  # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <stdlib.h>
 
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "free" >/dev/null 2>&1; then :
+
+else
+  ac_cv_header_stdc=no
+fi
+rm -f conftest*
 
+fi
 
+if test $ac_cv_header_stdc = yes; then
+  # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi.
+  if test "$cross_compiling" = yes; then :
+  :
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <ctype.h>
+#include <stdlib.h>
+#if ((' ' & 0x0FF) == 0x020)
+# define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
+# define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
+#else
+# define ISLOWER(c) \
+		   (('a' <= (c) && (c) <= 'i') \
+		     || ('j' <= (c) && (c) <= 'r') \
+		     || ('s' <= (c) && (c) <= 'z'))
+# define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c))
+#endif
 
+#define XOR(e, f) (((e) && !(f)) || (!(e) && (f)))
+int
+main ()
+{
+  int i;
+  for (i = 0; i < 256; i++)
+    if (XOR (islower (i), ISLOWER (i))
+	|| toupper (i) != TOUPPER (i))
+      return 2;
+  return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_run "$LINENO"; then :
 
+else
+  ac_cv_header_stdc=no
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
 
+fi
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_header_stdc" >&5
+$as_echo "$ac_cv_header_stdc" >&6; }
+if test $ac_cv_header_stdc = yes; then
 
+$as_echo "#define STDC_HEADERS 1" >>confdefs.h
 
-if test $ac_cv_header_stdlib_h = yes && test $ac_cv_header_string_h = yes
-then :
+fi
 
-printf "%s\n" "#define STDC_HEADERS 1" >>confdefs.h
+# On IRIX 5.3, sys/types and inttypes.h are conflicting.
+for ac_header in sys/types.h sys/stat.h stdlib.h string.h memory.h strings.h \
+		  inttypes.h stdint.h unistd.h
+do :
+  as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
+ac_fn_cxx_check_header_compile "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default
+"
+if eval test \"x\$"$as_ac_Header"\" = x"yes"; then :
+  cat >>confdefs.h <<_ACEOF
+#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
+_ACEOF
 
 fi
-       for ac_header in SDL2/SDL.h
+
+done
+
+
+for ac_header in SDL2/SDL.h
 do :
-  ac_fn_cxx_check_header_compile "$LINENO" "SDL2/SDL.h" "ac_cv_header_SDL2_SDL_h" "$ac_includes_default"
-if test "x$ac_cv_header_SDL2_SDL_h" = xyes
-then :
-  printf "%s\n" "#define HAVE_SDL2_SDL_H 1" >>confdefs.h
+  ac_fn_cxx_check_header_mongrel "$LINENO" "SDL2/SDL.h" "ac_cv_header_SDL2_SDL_h" "$ac_includes_default"
+if test "x$ac_cv_header_SDL2_SDL_h" = xyes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_SDL2_SDL_H 1
+_ACEOF
 
-else $as_nop
+else
   as_fn_error $? "Could not find SDL2 header." "$LINENO" 5
 fi
 
 done
-       for ac_header in openssl/opensslv.h
+
+for ac_header in openssl/opensslv.h
 do :
-  ac_fn_cxx_check_header_compile "$LINENO" "openssl/opensslv.h" "ac_cv_header_openssl_opensslv_h" "$ac_includes_default"
-if test "x$ac_cv_header_openssl_opensslv_h" = xyes
-then :
-  printf "%s\n" "#define HAVE_OPENSSL_OPENSSLV_H 1" >>confdefs.h
+  ac_fn_cxx_check_header_mongrel "$LINENO" "openssl/opensslv.h" "ac_cv_header_openssl_opensslv_h" "$ac_includes_default"
+if test "x$ac_cv_header_openssl_opensslv_h" = xyes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_OPENSSL_OPENSSLV_H 1
+_ACEOF
 
-else $as_nop
+else
   as_fn_error $? "Could not find OpenSSL headers." "$LINENO" 5
 fi
 
 done
-       for ac_header in Poco/Foundation.h
+
+for ac_header in Poco/Foundation.h
 do :
-  ac_fn_cxx_check_header_compile "$LINENO" "Poco/Foundation.h" "ac_cv_header_Poco_Foundation_h" "$ac_includes_default"
-if test "x$ac_cv_header_Poco_Foundation_h" = xyes
-then :
-  printf "%s\n" "#define HAVE_POCO_FOUNDATION_H 1" >>confdefs.h
+  ac_fn_cxx_check_header_mongrel "$LINENO" "Poco/Foundation.h" "ac_cv_header_Poco_Foundation_h" "$ac_includes_default"
+if test "x$ac_cv_header_Poco_Foundation_h" = xyes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_POCO_FOUNDATION_H 1
+_ACEOF
 
-else $as_nop
+else
   as_fn_error $? "Could not find Poco Foundation headers." "$LINENO" 5
 fi
 
 done
-       for ac_header in Poco/Util/Util.h
+
+for ac_header in Poco/Util/Util.h
 do :
-  ac_fn_cxx_check_header_compile "$LINENO" "Poco/Util/Util.h" "ac_cv_header_Poco_Util_Util_h" "$ac_includes_default"
-if test "x$ac_cv_header_Poco_Util_Util_h" = xyes
-then :
-  printf "%s\n" "#define HAVE_POCO_UTIL_UTIL_H 1" >>confdefs.h
+  ac_fn_cxx_check_header_mongrel "$LINENO" "Poco/Util/Util.h" "ac_cv_header_Poco_Util_Util_h" "$ac_includes_default"
+if test "x$ac_cv_header_Poco_Util_Util_h" = xyes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_POCO_UTIL_UTIL_H 1
+_ACEOF
 
-else $as_nop
+else
   as_fn_error $? "Could not find Poco Util headers." "$LINENO" 5
 fi
 
 done
-       for ac_header in Poco/XML/XML.h
+
+for ac_header in Poco/XML/XML.h
 do :
-  ac_fn_cxx_check_header_compile "$LINENO" "Poco/XML/XML.h" "ac_cv_header_Poco_XML_XML_h" "$ac_includes_default"
-if test "x$ac_cv_header_Poco_XML_XML_h" = xyes
-then :
-  printf "%s\n" "#define HAVE_POCO_XML_XML_H 1" >>confdefs.h
+  ac_fn_cxx_check_header_mongrel "$LINENO" "Poco/XML/XML.h" "ac_cv_header_Poco_XML_XML_h" "$ac_includes_default"
+if test "x$ac_cv_header_Poco_XML_XML_h" = xyes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_POCO_XML_XML_H 1
+_ACEOF
 
-else $as_nop
+else
   as_fn_error $? "Could not find Poco XML headers." "$LINENO" 5
 fi
 
 done
-       for ac_header in Poco/JSON/JSON.h
+
+for ac_header in Poco/JSON/JSON.h
 do :
-  ac_fn_cxx_check_header_compile "$LINENO" "Poco/JSON/JSON.h" "ac_cv_header_Poco_JSON_JSON_h" "$ac_includes_default"
-if test "x$ac_cv_header_Poco_JSON_JSON_h" = xyes
-then :
-  printf "%s\n" "#define HAVE_POCO_JSON_JSON_H 1" >>confdefs.h
+  ac_fn_cxx_check_header_mongrel "$LINENO" "Poco/JSON/JSON.h" "ac_cv_header_Poco_JSON_JSON_h" "$ac_includes_default"
+if test "x$ac_cv_header_Poco_JSON_JSON_h" = xyes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_POCO_JSON_JSON_H 1
+_ACEOF
 
-else $as_nop
+else
   as_fn_error $? "Could not find Poco JSON headers." "$LINENO" 5
 fi
 
 done
-       for ac_header in Poco/Crypto/Crypto.h
+
+for ac_header in Poco/Crypto/Crypto.h
 do :
-  ac_fn_cxx_check_header_compile "$LINENO" "Poco/Crypto/Crypto.h" "ac_cv_header_Poco_Crypto_Crypto_h" "$ac_includes_default"
-if test "x$ac_cv_header_Poco_Crypto_Crypto_h" = xyes
-then :
-  printf "%s\n" "#define HAVE_POCO_CRYPTO_CRYPTO_H 1" >>confdefs.h
+  ac_fn_cxx_check_header_mongrel "$LINENO" "Poco/Crypto/Crypto.h" "ac_cv_header_Poco_Crypto_Crypto_h" "$ac_includes_default"
+if test "x$ac_cv_header_Poco_Crypto_Crypto_h" = xyes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_POCO_CRYPTO_CRYPTO_H 1
+_ACEOF
 
-else $as_nop
+else
   as_fn_error $? "Could not find Poco Crypto headers." "$LINENO" 5
 fi
 
 done
-       for ac_header in Poco/Net/Net.h
+
+for ac_header in Poco/Net/Net.h
 do :
-  ac_fn_cxx_check_header_compile "$LINENO" "Poco/Net/Net.h" "ac_cv_header_Poco_Net_Net_h" "$ac_includes_default"
-if test "x$ac_cv_header_Poco_Net_Net_h" = xyes
-then :
-  printf "%s\n" "#define HAVE_POCO_NET_NET_H 1" >>confdefs.h
+  ac_fn_cxx_check_header_mongrel "$LINENO" "Poco/Net/Net.h" "ac_cv_header_Poco_Net_Net_h" "$ac_includes_default"
+if test "x$ac_cv_header_Poco_Net_Net_h" = xyes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_POCO_NET_NET_H 1
+_ACEOF
 
-else $as_nop
+else
   as_fn_error $? "Could not find Poco Net headers." "$LINENO" 5
 fi
 
 done
-       for ac_header in Poco/Net/NetSSL.h
+
+for ac_header in Poco/Net/NetSSL.h
 do :
-  ac_fn_cxx_check_header_compile "$LINENO" "Poco/Net/NetSSL.h" "ac_cv_header_Poco_Net_NetSSL_h" "$ac_includes_default"
-if test "x$ac_cv_header_Poco_Net_NetSSL_h" = xyes
-then :
-  printf "%s\n" "#define HAVE_POCO_NET_NETSSL_H 1" >>confdefs.h
+  ac_fn_cxx_check_header_mongrel "$LINENO" "Poco/Net/NetSSL.h" "ac_cv_header_Poco_Net_NetSSL_h" "$ac_includes_default"
+if test "x$ac_cv_header_Poco_Net_NetSSL_h" = xyes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_POCO_NET_NETSSL_H 1
+_ACEOF
 
-else $as_nop
+else
   as_fn_error $? "Could not find Poco NetSSL headers." "$LINENO" 5
 fi
 
 done
 
+
 if test "x$enable_wasm" = "xyes"; then
     LDFLAGS="$LDFLAGS -s USE_PTHREADS=1 --embed-file $with_wasm_rom@/craftos --shared-memory"
     LIBS="$LIBS -lPocoJSON -lPocoUtil -lPocoFoundation"
@@ -4521,12 +4152,11 @@ if test "x$enable_wasm" = "xyes"; then
     HTTP_TARGET="apis_http_emscripten.o"
 
 else
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for Poco::ASCIIEncoding in -lPocoFoundation" >&5
-printf %s "checking for Poco::ASCIIEncoding in -lPocoFoundation... " >&6; }
-if test ${ac_cv_lib_PocoFoundation_Poco__ASCIIEncoding+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for Poco::ASCIIEncoding in -lPocoFoundation" >&5
+$as_echo_n "checking for Poco::ASCIIEncoding in -lPocoFoundation... " >&6; }
+if ${ac_cv_lib_PocoFoundation_Poco__ASCIIEncoding+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lPocoFoundation  $LIBS"
 case "Poco::ASCIIEncoding"
@@ -4541,20 +4171,19 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
  }
 
 int
-main (void)
+main ()
 {
 `echo "Poco::ASCIIEncoding" | sed  -e "s/(.*//" -e "s/\\(.*\\)::\\(.*\\)/((\\1*)(0))->\\2/g"`()
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"
-then :
+if ac_fn_cxx_try_link "$LINENO"; then :
   ac_cv_lib_PocoFoundation_Poco__ASCIIEncoding=yes
-else $as_nop
+else
   ac_cv_lib_PocoFoundation_Poco__ASCIIEncoding=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
+rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
 ;; *::*::*)
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -4569,20 +4198,19 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
  }
 
 int
-main (void)
+main ()
 {
 new Poco::ASCIIEncoding()
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"
-then :
+if ac_fn_cxx_try_link "$LINENO"; then :
   ac_cv_lib_PocoFoundation_Poco__ASCIIEncoding=yes
-else $as_nop
+else
   ac_cv_lib_PocoFoundation_Poco__ASCIIEncoding=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
+rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
 ;; *::*\(*)
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -4593,20 +4221,19 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
    };
 
 int
-main (void)
+main ()
 {
 `echo "Poco::ASCIIEncoding" | sed  -e "s/(.*//" -e "s/\\(.*\\)::\\(.*\\)/((\\1*)(0))->\\2/g"`()
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"
-then :
+if ac_fn_cxx_try_link "$LINENO"; then :
   ac_cv_lib_PocoFoundation_Poco__ASCIIEncoding=yes
-else $as_nop
+else
   ac_cv_lib_PocoFoundation_Poco__ASCIIEncoding=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
+rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
 ;; *::*)
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -4619,64 +4246,66 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
  }
 
 int
-main (void)
+main ()
 {
 new Poco::ASCIIEncoding()
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"
-then :
+if ac_fn_cxx_try_link "$LINENO"; then :
   ac_cv_lib_PocoFoundation_Poco__ASCIIEncoding=yes
-else $as_nop
+else
   ac_cv_lib_PocoFoundation_Poco__ASCIIEncoding=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
+rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
 ;; *)
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
-namespace conftest {
-  extern "C" int Poco::ASCIIEncoding ();
-}
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char Poco::ASCIIEncoding ();
 int
-main (void)
+main ()
 {
-return conftest::Poco::ASCIIEncoding ();
+return Poco::ASCIIEncoding ();
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"
-then :
+if ac_fn_cxx_try_link "$LINENO"; then :
   ac_cv_lib_PocoFoundation_Poco__ASCIIEncoding=yes
-else $as_nop
+else
   ac_cv_lib_PocoFoundation_Poco__ASCIIEncoding=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
+rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
 ;; esac
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_PocoFoundation_Poco__ASCIIEncoding" >&5
-printf "%s\n" "$ac_cv_lib_PocoFoundation_Poco__ASCIIEncoding" >&6; }
-if test $ac_cv_lib_PocoFoundation_Poco__ASCIIEncoding = yes
-then :
-  printf "%s\n" "#define HAVE_LIBPOCOFOUNDATION 1" >>confdefs.h
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_PocoFoundation_Poco__ASCIIEncoding" >&5
+$as_echo "$ac_cv_lib_PocoFoundation_Poco__ASCIIEncoding" >&6; }
+if test $ac_cv_lib_PocoFoundation_Poco__ASCIIEncoding = yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_LIBPOCOFOUNDATION 1
+_ACEOF
 
   LIBS="-lPocoFoundation $LIBS"
 
-else $as_nop
+else
   as_fn_error $? "Could not find Poco Foundation library." "$LINENO" 5
 fi
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for Poco::Util::Timer in -lPocoUtil" >&5
-printf %s "checking for Poco::Util::Timer in -lPocoUtil... " >&6; }
-if test ${ac_cv_lib_PocoUtil_Poco__Util__Timer+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for Poco::Util::Timer in -lPocoUtil" >&5
+$as_echo_n "checking for Poco::Util::Timer in -lPocoUtil... " >&6; }
+if ${ac_cv_lib_PocoUtil_Poco__Util__Timer+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lPocoUtil  $LIBS"
 case "Poco::Util::Timer"
@@ -4691,20 +4320,19 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
  }
 
 int
-main (void)
+main ()
 {
 `echo "Poco::Util::Timer" | sed  -e "s/(.*//" -e "s/\\(.*\\)::\\(.*\\)/((\\1*)(0))->\\2/g"`()
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"
-then :
+if ac_fn_cxx_try_link "$LINENO"; then :
   ac_cv_lib_PocoUtil_Poco__Util__Timer=yes
-else $as_nop
+else
   ac_cv_lib_PocoUtil_Poco__Util__Timer=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
+rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
 ;; *::*::*)
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -4719,20 +4347,19 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
  }
 
 int
-main (void)
+main ()
 {
 new Poco::Util::Timer()
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"
-then :
+if ac_fn_cxx_try_link "$LINENO"; then :
   ac_cv_lib_PocoUtil_Poco__Util__Timer=yes
-else $as_nop
+else
   ac_cv_lib_PocoUtil_Poco__Util__Timer=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
+rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
 ;; *::*\(*)
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -4743,20 +4370,19 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
    };
 
 int
-main (void)
+main ()
 {
 `echo "Poco::Util::Timer" | sed  -e "s/(.*//" -e "s/\\(.*\\)::\\(.*\\)/((\\1*)(0))->\\2/g"`()
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"
-then :
+if ac_fn_cxx_try_link "$LINENO"; then :
   ac_cv_lib_PocoUtil_Poco__Util__Timer=yes
-else $as_nop
+else
   ac_cv_lib_PocoUtil_Poco__Util__Timer=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
+rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
 ;; *::*)
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -4769,64 +4395,66 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
  }
 
 int
-main (void)
+main ()
 {
 new Poco::Util::Timer()
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"
-then :
+if ac_fn_cxx_try_link "$LINENO"; then :
   ac_cv_lib_PocoUtil_Poco__Util__Timer=yes
-else $as_nop
+else
   ac_cv_lib_PocoUtil_Poco__Util__Timer=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
+rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
 ;; *)
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
-namespace conftest {
-  extern "C" int Poco::Util::Timer ();
-}
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char Poco::Util::Timer ();
 int
-main (void)
+main ()
 {
-return conftest::Poco::Util::Timer ();
+return Poco::Util::Timer ();
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"
-then :
+if ac_fn_cxx_try_link "$LINENO"; then :
   ac_cv_lib_PocoUtil_Poco__Util__Timer=yes
-else $as_nop
+else
   ac_cv_lib_PocoUtil_Poco__Util__Timer=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
+rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
 ;; esac
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_PocoUtil_Poco__Util__Timer" >&5
-printf "%s\n" "$ac_cv_lib_PocoUtil_Poco__Util__Timer" >&6; }
-if test $ac_cv_lib_PocoUtil_Poco__Util__Timer = yes
-then :
-  printf "%s\n" "#define HAVE_LIBPOCOUTIL 1" >>confdefs.h
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_PocoUtil_Poco__Util__Timer" >&5
+$as_echo "$ac_cv_lib_PocoUtil_Poco__Util__Timer" >&6; }
+if test $ac_cv_lib_PocoUtil_Poco__Util__Timer = yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_LIBPOCOUTIL 1
+_ACEOF
 
   LIBS="-lPocoUtil $LIBS"
 
-else $as_nop
+else
   as_fn_error $? "Could not find Poco Util library." "$LINENO" 5
 fi
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for Poco::XML::Name in -lPocoXML" >&5
-printf %s "checking for Poco::XML::Name in -lPocoXML... " >&6; }
-if test ${ac_cv_lib_PocoXML_Poco__XML__Name+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for Poco::XML::Name in -lPocoXML" >&5
+$as_echo_n "checking for Poco::XML::Name in -lPocoXML... " >&6; }
+if ${ac_cv_lib_PocoXML_Poco__XML__Name+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lPocoXML  $LIBS"
 case "Poco::XML::Name"
@@ -4841,20 +4469,19 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
  }
 
 int
-main (void)
+main ()
 {
 `echo "Poco::XML::Name" | sed  -e "s/(.*//" -e "s/\\(.*\\)::\\(.*\\)/((\\1*)(0))->\\2/g"`()
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"
-then :
+if ac_fn_cxx_try_link "$LINENO"; then :
   ac_cv_lib_PocoXML_Poco__XML__Name=yes
-else $as_nop
+else
   ac_cv_lib_PocoXML_Poco__XML__Name=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
+rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
 ;; *::*::*)
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -4869,20 +4496,19 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
  }
 
 int
-main (void)
+main ()
 {
 new Poco::XML::Name()
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"
-then :
+if ac_fn_cxx_try_link "$LINENO"; then :
   ac_cv_lib_PocoXML_Poco__XML__Name=yes
-else $as_nop
+else
   ac_cv_lib_PocoXML_Poco__XML__Name=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
+rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
 ;; *::*\(*)
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -4893,20 +4519,19 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
    };
 
 int
-main (void)
+main ()
 {
 `echo "Poco::XML::Name" | sed  -e "s/(.*//" -e "s/\\(.*\\)::\\(.*\\)/((\\1*)(0))->\\2/g"`()
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"
-then :
+if ac_fn_cxx_try_link "$LINENO"; then :
   ac_cv_lib_PocoXML_Poco__XML__Name=yes
-else $as_nop
+else
   ac_cv_lib_PocoXML_Poco__XML__Name=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
+rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
 ;; *::*)
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -4919,64 +4544,66 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
  }
 
 int
-main (void)
+main ()
 {
 new Poco::XML::Name()
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"
-then :
+if ac_fn_cxx_try_link "$LINENO"; then :
   ac_cv_lib_PocoXML_Poco__XML__Name=yes
-else $as_nop
+else
   ac_cv_lib_PocoXML_Poco__XML__Name=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
+rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
 ;; *)
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
-namespace conftest {
-  extern "C" int Poco::XML::Name ();
-}
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char Poco::XML::Name ();
 int
-main (void)
+main ()
 {
-return conftest::Poco::XML::Name ();
+return Poco::XML::Name ();
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"
-then :
+if ac_fn_cxx_try_link "$LINENO"; then :
   ac_cv_lib_PocoXML_Poco__XML__Name=yes
-else $as_nop
+else
   ac_cv_lib_PocoXML_Poco__XML__Name=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
+rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
 ;; esac
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_PocoXML_Poco__XML__Name" >&5
-printf "%s\n" "$ac_cv_lib_PocoXML_Poco__XML__Name" >&6; }
-if test $ac_cv_lib_PocoXML_Poco__XML__Name = yes
-then :
-  printf "%s\n" "#define HAVE_LIBPOCOXML 1" >>confdefs.h
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_PocoXML_Poco__XML__Name" >&5
+$as_echo "$ac_cv_lib_PocoXML_Poco__XML__Name" >&6; }
+if test $ac_cv_lib_PocoXML_Poco__XML__Name = yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_LIBPOCOXML 1
+_ACEOF
 
   LIBS="-lPocoXML $LIBS"
 
-else $as_nop
+else
   as_fn_error $? "Could not find Poco XML library." "$LINENO" 5
 fi
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for Poco::JSON::Template in -lPocoJSON" >&5
-printf %s "checking for Poco::JSON::Template in -lPocoJSON... " >&6; }
-if test ${ac_cv_lib_PocoJSON_Poco__JSON__Template+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for Poco::JSON::Template in -lPocoJSON" >&5
+$as_echo_n "checking for Poco::JSON::Template in -lPocoJSON... " >&6; }
+if ${ac_cv_lib_PocoJSON_Poco__JSON__Template+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lPocoJSON  $LIBS"
 case "Poco::JSON::Template"
@@ -4991,20 +4618,19 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
  }
 
 int
-main (void)
+main ()
 {
 `echo "Poco::JSON::Template" | sed  -e "s/(.*//" -e "s/\\(.*\\)::\\(.*\\)/((\\1*)(0))->\\2/g"`()
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"
-then :
+if ac_fn_cxx_try_link "$LINENO"; then :
   ac_cv_lib_PocoJSON_Poco__JSON__Template=yes
-else $as_nop
+else
   ac_cv_lib_PocoJSON_Poco__JSON__Template=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
+rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
 ;; *::*::*)
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -5019,20 +4645,19 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
  }
 
 int
-main (void)
+main ()
 {
 new Poco::JSON::Template()
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"
-then :
+if ac_fn_cxx_try_link "$LINENO"; then :
   ac_cv_lib_PocoJSON_Poco__JSON__Template=yes
-else $as_nop
+else
   ac_cv_lib_PocoJSON_Poco__JSON__Template=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
+rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
 ;; *::*\(*)
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -5043,20 +4668,19 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
    };
 
 int
-main (void)
+main ()
 {
 `echo "Poco::JSON::Template" | sed  -e "s/(.*//" -e "s/\\(.*\\)::\\(.*\\)/((\\1*)(0))->\\2/g"`()
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"
-then :
+if ac_fn_cxx_try_link "$LINENO"; then :
   ac_cv_lib_PocoJSON_Poco__JSON__Template=yes
-else $as_nop
+else
   ac_cv_lib_PocoJSON_Poco__JSON__Template=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
+rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
 ;; *::*)
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -5069,64 +4693,66 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
  }
 
 int
-main (void)
+main ()
 {
 new Poco::JSON::Template()
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"
-then :
+if ac_fn_cxx_try_link "$LINENO"; then :
   ac_cv_lib_PocoJSON_Poco__JSON__Template=yes
-else $as_nop
+else
   ac_cv_lib_PocoJSON_Poco__JSON__Template=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
+rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
 ;; *)
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
-namespace conftest {
-  extern "C" int Poco::JSON::Template ();
-}
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char Poco::JSON::Template ();
 int
-main (void)
+main ()
 {
-return conftest::Poco::JSON::Template ();
+return Poco::JSON::Template ();
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"
-then :
+if ac_fn_cxx_try_link "$LINENO"; then :
   ac_cv_lib_PocoJSON_Poco__JSON__Template=yes
-else $as_nop
+else
   ac_cv_lib_PocoJSON_Poco__JSON__Template=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
+rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
 ;; esac
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_PocoJSON_Poco__JSON__Template" >&5
-printf "%s\n" "$ac_cv_lib_PocoJSON_Poco__JSON__Template" >&6; }
-if test $ac_cv_lib_PocoJSON_Poco__JSON__Template = yes
-then :
-  printf "%s\n" "#define HAVE_LIBPOCOJSON 1" >>confdefs.h
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_PocoJSON_Poco__JSON__Template" >&5
+$as_echo "$ac_cv_lib_PocoJSON_Poco__JSON__Template" >&6; }
+if test $ac_cv_lib_PocoJSON_Poco__JSON__Template = yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_LIBPOCOJSON 1
+_ACEOF
 
   LIBS="-lPocoJSON $LIBS"
 
-else $as_nop
+else
   as_fn_error $? "Could not find Poco JSON library." "$LINENO" 5
 fi
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for Poco::Crypto::CipherFactory in -lPocoCrypto" >&5
-printf %s "checking for Poco::Crypto::CipherFactory in -lPocoCrypto... " >&6; }
-if test ${ac_cv_lib_PocoCrypto_Poco__Crypto__CipherFactory+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for Poco::Crypto::CipherFactory in -lPocoCrypto" >&5
+$as_echo_n "checking for Poco::Crypto::CipherFactory in -lPocoCrypto... " >&6; }
+if ${ac_cv_lib_PocoCrypto_Poco__Crypto__CipherFactory+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lPocoCrypto  $LIBS"
 case "Poco::Crypto::CipherFactory"
@@ -5141,20 +4767,19 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
  }
 
 int
-main (void)
+main ()
 {
 `echo "Poco::Crypto::CipherFactory" | sed  -e "s/(.*//" -e "s/\\(.*\\)::\\(.*\\)/((\\1*)(0))->\\2/g"`()
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"
-then :
+if ac_fn_cxx_try_link "$LINENO"; then :
   ac_cv_lib_PocoCrypto_Poco__Crypto__CipherFactory=yes
-else $as_nop
+else
   ac_cv_lib_PocoCrypto_Poco__Crypto__CipherFactory=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
+rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
 ;; *::*::*)
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -5169,20 +4794,19 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
  }
 
 int
-main (void)
+main ()
 {
 new Poco::Crypto::CipherFactory()
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"
-then :
+if ac_fn_cxx_try_link "$LINENO"; then :
   ac_cv_lib_PocoCrypto_Poco__Crypto__CipherFactory=yes
-else $as_nop
+else
   ac_cv_lib_PocoCrypto_Poco__Crypto__CipherFactory=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
+rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
 ;; *::*\(*)
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -5193,20 +4817,19 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
    };
 
 int
-main (void)
+main ()
 {
 `echo "Poco::Crypto::CipherFactory" | sed  -e "s/(.*//" -e "s/\\(.*\\)::\\(.*\\)/((\\1*)(0))->\\2/g"`()
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"
-then :
+if ac_fn_cxx_try_link "$LINENO"; then :
   ac_cv_lib_PocoCrypto_Poco__Crypto__CipherFactory=yes
-else $as_nop
+else
   ac_cv_lib_PocoCrypto_Poco__Crypto__CipherFactory=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
+rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
 ;; *::*)
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -5219,64 +4842,66 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
  }
 
 int
-main (void)
+main ()
 {
 new Poco::Crypto::CipherFactory()
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"
-then :
+if ac_fn_cxx_try_link "$LINENO"; then :
   ac_cv_lib_PocoCrypto_Poco__Crypto__CipherFactory=yes
-else $as_nop
+else
   ac_cv_lib_PocoCrypto_Poco__Crypto__CipherFactory=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
+rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
 ;; *)
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
-namespace conftest {
-  extern "C" int Poco::Crypto::CipherFactory ();
-}
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char Poco::Crypto::CipherFactory ();
 int
-main (void)
+main ()
 {
-return conftest::Poco::Crypto::CipherFactory ();
+return Poco::Crypto::CipherFactory ();
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"
-then :
+if ac_fn_cxx_try_link "$LINENO"; then :
   ac_cv_lib_PocoCrypto_Poco__Crypto__CipherFactory=yes
-else $as_nop
+else
   ac_cv_lib_PocoCrypto_Poco__Crypto__CipherFactory=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
+rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
 ;; esac
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_PocoCrypto_Poco__Crypto__CipherFactory" >&5
-printf "%s\n" "$ac_cv_lib_PocoCrypto_Poco__Crypto__CipherFactory" >&6; }
-if test $ac_cv_lib_PocoCrypto_Poco__Crypto__CipherFactory = yes
-then :
-  printf "%s\n" "#define HAVE_LIBPOCOCRYPTO 1" >>confdefs.h
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_PocoCrypto_Poco__Crypto__CipherFactory" >&5
+$as_echo "$ac_cv_lib_PocoCrypto_Poco__Crypto__CipherFactory" >&6; }
+if test $ac_cv_lib_PocoCrypto_Poco__Crypto__CipherFactory = yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_LIBPOCOCRYPTO 1
+_ACEOF
 
   LIBS="-lPocoCrypto $LIBS"
 
-else $as_nop
+else
   as_fn_error $? "Could not find Poco Crypto library." "$LINENO" 5
 fi
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for Poco::Net::HTTPRequest in -lPocoNet" >&5
-printf %s "checking for Poco::Net::HTTPRequest in -lPocoNet... " >&6; }
-if test ${ac_cv_lib_PocoNet_Poco__Net__HTTPRequest+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for Poco::Net::HTTPRequest in -lPocoNet" >&5
+$as_echo_n "checking for Poco::Net::HTTPRequest in -lPocoNet... " >&6; }
+if ${ac_cv_lib_PocoNet_Poco__Net__HTTPRequest+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lPocoNet  $LIBS"
 case "Poco::Net::HTTPRequest"
@@ -5291,20 +4916,19 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
  }
 
 int
-main (void)
+main ()
 {
 `echo "Poco::Net::HTTPRequest" | sed  -e "s/(.*//" -e "s/\\(.*\\)::\\(.*\\)/((\\1*)(0))->\\2/g"`()
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"
-then :
+if ac_fn_cxx_try_link "$LINENO"; then :
   ac_cv_lib_PocoNet_Poco__Net__HTTPRequest=yes
-else $as_nop
+else
   ac_cv_lib_PocoNet_Poco__Net__HTTPRequest=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
+rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
 ;; *::*::*)
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -5319,20 +4943,19 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
  }
 
 int
-main (void)
+main ()
 {
 new Poco::Net::HTTPRequest()
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"
-then :
+if ac_fn_cxx_try_link "$LINENO"; then :
   ac_cv_lib_PocoNet_Poco__Net__HTTPRequest=yes
-else $as_nop
+else
   ac_cv_lib_PocoNet_Poco__Net__HTTPRequest=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
+rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
 ;; *::*\(*)
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -5343,20 +4966,19 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
    };
 
 int
-main (void)
+main ()
 {
 `echo "Poco::Net::HTTPRequest" | sed  -e "s/(.*//" -e "s/\\(.*\\)::\\(.*\\)/((\\1*)(0))->\\2/g"`()
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"
-then :
+if ac_fn_cxx_try_link "$LINENO"; then :
   ac_cv_lib_PocoNet_Poco__Net__HTTPRequest=yes
-else $as_nop
+else
   ac_cv_lib_PocoNet_Poco__Net__HTTPRequest=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
+rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
 ;; *::*)
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -5369,64 +4991,66 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
  }
 
 int
-main (void)
+main ()
 {
 new Poco::Net::HTTPRequest()
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"
-then :
+if ac_fn_cxx_try_link "$LINENO"; then :
   ac_cv_lib_PocoNet_Poco__Net__HTTPRequest=yes
-else $as_nop
+else
   ac_cv_lib_PocoNet_Poco__Net__HTTPRequest=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
+rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
 ;; *)
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
-namespace conftest {
-  extern "C" int Poco::Net::HTTPRequest ();
-}
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char Poco::Net::HTTPRequest ();
 int
-main (void)
+main ()
 {
-return conftest::Poco::Net::HTTPRequest ();
+return Poco::Net::HTTPRequest ();
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"
-then :
+if ac_fn_cxx_try_link "$LINENO"; then :
   ac_cv_lib_PocoNet_Poco__Net__HTTPRequest=yes
-else $as_nop
+else
   ac_cv_lib_PocoNet_Poco__Net__HTTPRequest=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
+rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
 ;; esac
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_PocoNet_Poco__Net__HTTPRequest" >&5
-printf "%s\n" "$ac_cv_lib_PocoNet_Poco__Net__HTTPRequest" >&6; }
-if test $ac_cv_lib_PocoNet_Poco__Net__HTTPRequest = yes
-then :
-  printf "%s\n" "#define HAVE_LIBPOCONET 1" >>confdefs.h
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_PocoNet_Poco__Net__HTTPRequest" >&5
+$as_echo "$ac_cv_lib_PocoNet_Poco__Net__HTTPRequest" >&6; }
+if test $ac_cv_lib_PocoNet_Poco__Net__HTTPRequest = yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_LIBPOCONET 1
+_ACEOF
 
   LIBS="-lPocoNet $LIBS"
 
-else $as_nop
+else
   as_fn_error $? "Could not find Poco Net library." "$LINENO" 5
 fi
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for Poco::Net::HTTPSClientSession in -lPocoNetSSL" >&5
-printf %s "checking for Poco::Net::HTTPSClientSession in -lPocoNetSSL... " >&6; }
-if test ${ac_cv_lib_PocoNetSSL_Poco__Net__HTTPSClientSession+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for Poco::Net::HTTPSClientSession in -lPocoNetSSL" >&5
+$as_echo_n "checking for Poco::Net::HTTPSClientSession in -lPocoNetSSL... " >&6; }
+if ${ac_cv_lib_PocoNetSSL_Poco__Net__HTTPSClientSession+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lPocoNetSSL  $LIBS"
 case "Poco::Net::HTTPSClientSession"
@@ -5441,20 +5065,19 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
  }
 
 int
-main (void)
+main ()
 {
 `echo "Poco::Net::HTTPSClientSession" | sed  -e "s/(.*//" -e "s/\\(.*\\)::\\(.*\\)/((\\1*)(0))->\\2/g"`()
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"
-then :
+if ac_fn_cxx_try_link "$LINENO"; then :
   ac_cv_lib_PocoNetSSL_Poco__Net__HTTPSClientSession=yes
-else $as_nop
+else
   ac_cv_lib_PocoNetSSL_Poco__Net__HTTPSClientSession=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
+rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
 ;; *::*::*)
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -5469,20 +5092,19 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
  }
 
 int
-main (void)
+main ()
 {
 new Poco::Net::HTTPSClientSession()
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"
-then :
+if ac_fn_cxx_try_link "$LINENO"; then :
   ac_cv_lib_PocoNetSSL_Poco__Net__HTTPSClientSession=yes
-else $as_nop
+else
   ac_cv_lib_PocoNetSSL_Poco__Net__HTTPSClientSession=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
+rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
 ;; *::*\(*)
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -5493,20 +5115,19 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
    };
 
 int
-main (void)
+main ()
 {
 `echo "Poco::Net::HTTPSClientSession" | sed  -e "s/(.*//" -e "s/\\(.*\\)::\\(.*\\)/((\\1*)(0))->\\2/g"`()
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"
-then :
+if ac_fn_cxx_try_link "$LINENO"; then :
   ac_cv_lib_PocoNetSSL_Poco__Net__HTTPSClientSession=yes
-else $as_nop
+else
   ac_cv_lib_PocoNetSSL_Poco__Net__HTTPSClientSession=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
+rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
 ;; *::*)
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -5519,56 +5140,59 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
  }
 
 int
-main (void)
+main ()
 {
 new Poco::Net::HTTPSClientSession()
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"
-then :
+if ac_fn_cxx_try_link "$LINENO"; then :
   ac_cv_lib_PocoNetSSL_Poco__Net__HTTPSClientSession=yes
-else $as_nop
+else
   ac_cv_lib_PocoNetSSL_Poco__Net__HTTPSClientSession=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
+rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
 ;; *)
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
-namespace conftest {
-  extern "C" int Poco::Net::HTTPSClientSession ();
-}
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char Poco::Net::HTTPSClientSession ();
 int
-main (void)
+main ()
 {
-return conftest::Poco::Net::HTTPSClientSession ();
+return Poco::Net::HTTPSClientSession ();
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_cxx_try_link "$LINENO"
-then :
+if ac_fn_cxx_try_link "$LINENO"; then :
   ac_cv_lib_PocoNetSSL_Poco__Net__HTTPSClientSession=yes
-else $as_nop
+else
   ac_cv_lib_PocoNetSSL_Poco__Net__HTTPSClientSession=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
+rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
 ;; esac
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_PocoNetSSL_Poco__Net__HTTPSClientSession" >&5
-printf "%s\n" "$ac_cv_lib_PocoNetSSL_Poco__Net__HTTPSClientSession" >&6; }
-if test $ac_cv_lib_PocoNetSSL_Poco__Net__HTTPSClientSession = yes
-then :
-  printf "%s\n" "#define HAVE_LIBPOCONETSSL 1" >>confdefs.h
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_PocoNetSSL_Poco__Net__HTTPSClientSession" >&5
+$as_echo "$ac_cv_lib_PocoNetSSL_Poco__Net__HTTPSClientSession" >&6; }
+if test $ac_cv_lib_PocoNetSSL_Poco__Net__HTTPSClientSession = yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_LIBPOCONETSSL 1
+_ACEOF
 
   LIBS="-lPocoNetSSL $LIBS"
 
-else $as_nop
+else
   as_fn_error $? "Could not find Poco NetSSL library." "$LINENO" 5
 fi
     OUT_TARGET=craftos
@@ -5593,692 +5217,667 @@ fi
 
 if test "x$enable_wasm" != "xyes"; then
 
-    if test "x$with_png" != "xno"
-then :
+    if test "x$with_png" != "xno"; then :
 
-               for ac_header in png++/png.hpp
+        for ac_header in png++/png.hpp
 do :
-  ac_fn_cxx_check_header_compile "$LINENO" "png++/png.hpp" "ac_cv_header_pngpp_png_hpp" "$ac_includes_default"
-if test "x$ac_cv_header_pngpp_png_hpp" = xyes
-then :
-  printf "%s\n" "#define HAVE_PNG___PNG_HPP 1" >>confdefs.h
-
-else $as_nop
-  if test "x$with_png" = "xyes"
-then :
+  ac_fn_cxx_check_header_mongrel "$LINENO" "png++/png.hpp" "ac_cv_header_pngpp_png_hpp" "$ac_includes_default"
+if test "x$ac_cv_header_pngpp_png_hpp" = xyes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_PNG___PNG_HPP 1
+_ACEOF
+
+else
+  if test "x$with_png" = "xyes"; then :
   as_fn_error $? "Could not find png++ header." "$LINENO" 5
-else $as_nop
+else
   NO_PNG=1
 fi
 fi
 
 done
-        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing png_init_io" >&5
-printf %s "checking for library containing png_init_io... " >&6; }
-if test ${ac_cv_search_png_init_io+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+
+        { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing png_init_io" >&5
+$as_echo_n "checking for library containing png_init_io... " >&6; }
+if ${ac_cv_search_png_init_io+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   ac_func_search_save_LIBS=$LIBS
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
-namespace conftest {
-  extern "C" int png_init_io ();
-}
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char png_init_io ();
 int
-main (void)
+main ()
 {
-return conftest::png_init_io ();
+return png_init_io ();
   ;
   return 0;
 }
 _ACEOF
-for ac_lib in '' png
-do
+for ac_lib in '' png; do
   if test -z "$ac_lib"; then
     ac_res="none required"
   else
     ac_res=-l$ac_lib
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
   fi
-  if ac_fn_cxx_try_link "$LINENO"
-then :
+  if ac_fn_cxx_try_link "$LINENO"; then :
   ac_cv_search_png_init_io=$ac_res
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
+rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext
-  if test ${ac_cv_search_png_init_io+y}
-then :
+  if ${ac_cv_search_png_init_io+:} false; then :
   break
 fi
 done
-if test ${ac_cv_search_png_init_io+y}
-then :
+if ${ac_cv_search_png_init_io+:} false; then :
 
-else $as_nop
+else
   ac_cv_search_png_init_io=no
 fi
 rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_png_init_io" >&5
-printf "%s\n" "$ac_cv_search_png_init_io" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_png_init_io" >&5
+$as_echo "$ac_cv_search_png_init_io" >&6; }
 ac_res=$ac_cv_search_png_init_io
-if test "$ac_res" != no
-then :
+if test "$ac_res" != no; then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
 
-else $as_nop
-  if test "x$with_png" = "xyes"
-then :
+else
+  if test "x$with_png" = "xyes"; then :
   as_fn_error $? "Could not find libpng library." "$LINENO" 5
-else $as_nop
+else
   NO_PNG=1
 fi
 fi
 
 
-else $as_nop
+else
   NO_PNG=1
 fi
 
-    if test "x$with_webp" != "xno"
-then :
+    if test "x$with_webp" != "xno"; then :
 
-               for ac_header in webp/mux.h
+        for ac_header in webp/mux.h
 do :
-  ac_fn_cxx_check_header_compile "$LINENO" "webp/mux.h" "ac_cv_header_webp_mux_h" "$ac_includes_default"
-if test "x$ac_cv_header_webp_mux_h" = xyes
-then :
-  printf "%s\n" "#define HAVE_WEBP_MUX_H 1" >>confdefs.h
-
-else $as_nop
-  if test "x$with_webp" = "xyes"
-then :
+  ac_fn_cxx_check_header_mongrel "$LINENO" "webp/mux.h" "ac_cv_header_webp_mux_h" "$ac_includes_default"
+if test "x$ac_cv_header_webp_mux_h" = xyes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_WEBP_MUX_H 1
+_ACEOF
+
+else
+  if test "x$with_webp" = "xyes"; then :
   as_fn_error $? "Could not find webp header." "$LINENO" 5
-else $as_nop
+else
   NO_WEBP=1
 fi
 fi
 
 done
-        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing WebPEncodeRGB" >&5
-printf %s "checking for library containing WebPEncodeRGB... " >&6; }
-if test ${ac_cv_search_WebPEncodeRGB+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+
+        { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing WebPEncodeRGB" >&5
+$as_echo_n "checking for library containing WebPEncodeRGB... " >&6; }
+if ${ac_cv_search_WebPEncodeRGB+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   ac_func_search_save_LIBS=$LIBS
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
-namespace conftest {
-  extern "C" int WebPEncodeRGB ();
-}
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char WebPEncodeRGB ();
 int
-main (void)
+main ()
 {
-return conftest::WebPEncodeRGB ();
+return WebPEncodeRGB ();
   ;
   return 0;
 }
 _ACEOF
-for ac_lib in '' webp
-do
+for ac_lib in '' webp; do
   if test -z "$ac_lib"; then
     ac_res="none required"
   else
     ac_res=-l$ac_lib
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
   fi
-  if ac_fn_cxx_try_link "$LINENO"
-then :
+  if ac_fn_cxx_try_link "$LINENO"; then :
   ac_cv_search_WebPEncodeRGB=$ac_res
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
+rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext
-  if test ${ac_cv_search_WebPEncodeRGB+y}
-then :
+  if ${ac_cv_search_WebPEncodeRGB+:} false; then :
   break
 fi
 done
-if test ${ac_cv_search_WebPEncodeRGB+y}
-then :
+if ${ac_cv_search_WebPEncodeRGB+:} false; then :
 
-else $as_nop
+else
   ac_cv_search_WebPEncodeRGB=no
 fi
 rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_WebPEncodeRGB" >&5
-printf "%s\n" "$ac_cv_search_WebPEncodeRGB" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_WebPEncodeRGB" >&5
+$as_echo "$ac_cv_search_WebPEncodeRGB" >&6; }
 ac_res=$ac_cv_search_WebPEncodeRGB
-if test "$ac_res" != no
-then :
+if test "$ac_res" != no; then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
 
-else $as_nop
-  if test "x$with_webp" = "xyes"
-then :
+else
+  if test "x$with_webp" = "xyes"; then :
   as_fn_error $? "Could not find libwebp library." "$LINENO" 5
-else $as_nop
+else
   NO_WEBP=1
 fi
 fi
 
-        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing WebPAnimEncoderNewInternal" >&5
-printf %s "checking for library containing WebPAnimEncoderNewInternal... " >&6; }
-if test ${ac_cv_search_WebPAnimEncoderNewInternal+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+        { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing WebPAnimEncoderNewInternal" >&5
+$as_echo_n "checking for library containing WebPAnimEncoderNewInternal... " >&6; }
+if ${ac_cv_search_WebPAnimEncoderNewInternal+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   ac_func_search_save_LIBS=$LIBS
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
-namespace conftest {
-  extern "C" int WebPAnimEncoderNewInternal ();
-}
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char WebPAnimEncoderNewInternal ();
 int
-main (void)
+main ()
 {
-return conftest::WebPAnimEncoderNewInternal ();
+return WebPAnimEncoderNewInternal ();
   ;
   return 0;
 }
 _ACEOF
-for ac_lib in '' webpmux
-do
+for ac_lib in '' webpmux; do
   if test -z "$ac_lib"; then
     ac_res="none required"
   else
     ac_res=-l$ac_lib
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
   fi
-  if ac_fn_cxx_try_link "$LINENO"
-then :
+  if ac_fn_cxx_try_link "$LINENO"; then :
   ac_cv_search_WebPAnimEncoderNewInternal=$ac_res
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
+rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext
-  if test ${ac_cv_search_WebPAnimEncoderNewInternal+y}
-then :
+  if ${ac_cv_search_WebPAnimEncoderNewInternal+:} false; then :
   break
 fi
 done
-if test ${ac_cv_search_WebPAnimEncoderNewInternal+y}
-then :
+if ${ac_cv_search_WebPAnimEncoderNewInternal+:} false; then :
 
-else $as_nop
+else
   ac_cv_search_WebPAnimEncoderNewInternal=no
 fi
 rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_WebPAnimEncoderNewInternal" >&5
-printf "%s\n" "$ac_cv_search_WebPAnimEncoderNewInternal" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_WebPAnimEncoderNewInternal" >&5
+$as_echo "$ac_cv_search_WebPAnimEncoderNewInternal" >&6; }
 ac_res=$ac_cv_search_WebPAnimEncoderNewInternal
-if test "$ac_res" != no
-then :
+if test "$ac_res" != no; then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
 
-else $as_nop
-  if test "x$with_webp" = "xyes"
-then :
+else
+  if test "x$with_webp" = "xyes"; then :
   as_fn_error $? "Could not find libwebp library." "$LINENO" 5
-else $as_nop
+else
   NO_WEBP=1
 fi
 fi
 
 
-else $as_nop
+else
   NO_WEBP=1
 fi
 
-    if test "x$with_ncurses" != "xno"
-then :
+    if test "x$with_ncurses" != "xno"; then :
 
-               for ac_header in ncurses.h
+        for ac_header in ncurses.h
 do :
-  ac_fn_cxx_check_header_compile "$LINENO" "ncurses.h" "ac_cv_header_ncurses_h" "$ac_includes_default"
-if test "x$ac_cv_header_ncurses_h" = xyes
-then :
-  printf "%s\n" "#define HAVE_NCURSES_H 1" >>confdefs.h
-
-else $as_nop
-  if test "x$with_ncurses" = "xyes"
-then :
+  ac_fn_cxx_check_header_mongrel "$LINENO" "ncurses.h" "ac_cv_header_ncurses_h" "$ac_includes_default"
+if test "x$ac_cv_header_ncurses_h" = xyes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_NCURSES_H 1
+_ACEOF
+
+else
+  if test "x$with_ncurses" = "xyes"; then :
   as_fn_error $? "Could not find ncurses header." "$LINENO" 5
-else $as_nop
+else
   NO_CLI=1
 fi
 fi
 
 done
-        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing initscr" >&5
-printf %s "checking for library containing initscr... " >&6; }
-if test ${ac_cv_search_initscr+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+
+        { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing initscr" >&5
+$as_echo_n "checking for library containing initscr... " >&6; }
+if ${ac_cv_search_initscr+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   ac_func_search_save_LIBS=$LIBS
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
-namespace conftest {
-  extern "C" int initscr ();
-}
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char initscr ();
 int
-main (void)
+main ()
 {
-return conftest::initscr ();
+return initscr ();
   ;
   return 0;
 }
 _ACEOF
-for ac_lib in '' ncursesw ncurses
-do
+for ac_lib in '' ncursesw ncurses; do
   if test -z "$ac_lib"; then
     ac_res="none required"
   else
     ac_res=-l$ac_lib
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
   fi
-  if ac_fn_cxx_try_link "$LINENO"
-then :
+  if ac_fn_cxx_try_link "$LINENO"; then :
   ac_cv_search_initscr=$ac_res
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
+rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext
-  if test ${ac_cv_search_initscr+y}
-then :
+  if ${ac_cv_search_initscr+:} false; then :
   break
 fi
 done
-if test ${ac_cv_search_initscr+y}
-then :
+if ${ac_cv_search_initscr+:} false; then :
 
-else $as_nop
+else
   ac_cv_search_initscr=no
 fi
 rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_initscr" >&5
-printf "%s\n" "$ac_cv_search_initscr" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_initscr" >&5
+$as_echo "$ac_cv_search_initscr" >&6; }
 ac_res=$ac_cv_search_initscr
-if test "$ac_res" != no
-then :
+if test "$ac_res" != no; then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
 
-else $as_nop
-  if test "x$with_ncurses" = "xyes"
-then :
+else
+  if test "x$with_ncurses" = "xyes"; then :
   as_fn_error $? "Could not find ncurses library." "$LINENO" 5
-else $as_nop
+else
   NO_CLI=1
 fi
 fi
 
 
-else $as_nop
+else
   NO_CLI=1
 fi
 
-    if test "x$with_sdl_mixer" != "xno"
-then :
+    if test "x$with_sdl_mixer" != "xno"; then :
 
-               for ac_header in SDL2/SDL_mixer.h
+        for ac_header in SDL2/SDL_mixer.h
 do :
-  ac_fn_cxx_check_header_compile "$LINENO" "SDL2/SDL_mixer.h" "ac_cv_header_SDL2_SDL_mixer_h" "$ac_includes_default"
-if test "x$ac_cv_header_SDL2_SDL_mixer_h" = xyes
-then :
-  printf "%s\n" "#define HAVE_SDL2_SDL_MIXER_H 1" >>confdefs.h
-
-else $as_nop
-  if test "x$with_sdl_mixer" = "xyes"
-then :
+  ac_fn_cxx_check_header_mongrel "$LINENO" "SDL2/SDL_mixer.h" "ac_cv_header_SDL2_SDL_mixer_h" "$ac_includes_default"
+if test "x$ac_cv_header_SDL2_SDL_mixer_h" = xyes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_SDL2_SDL_MIXER_H 1
+_ACEOF
+
+else
+  if test "x$with_sdl_mixer" = "xyes"; then :
   as_fn_error $? "Could not find SDL2_mixer header." "$LINENO" 5
-else $as_nop
+else
   NO_MIXER=1
 fi
 fi
 
 done
-        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing Mix_Init" >&5
-printf %s "checking for library containing Mix_Init... " >&6; }
-if test ${ac_cv_search_Mix_Init+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+
+        { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing Mix_Init" >&5
+$as_echo_n "checking for library containing Mix_Init... " >&6; }
+if ${ac_cv_search_Mix_Init+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   ac_func_search_save_LIBS=$LIBS
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
-namespace conftest {
-  extern "C" int Mix_Init ();
-}
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char Mix_Init ();
 int
-main (void)
+main ()
 {
-return conftest::Mix_Init ();
+return Mix_Init ();
   ;
   return 0;
 }
 _ACEOF
-for ac_lib in '' SDL2_mixer
-do
+for ac_lib in '' SDL2_mixer; do
   if test -z "$ac_lib"; then
     ac_res="none required"
   else
     ac_res=-l$ac_lib
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
   fi
-  if ac_fn_cxx_try_link "$LINENO"
-then :
+  if ac_fn_cxx_try_link "$LINENO"; then :
   ac_cv_search_Mix_Init=$ac_res
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
+rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext
-  if test ${ac_cv_search_Mix_Init+y}
-then :
+  if ${ac_cv_search_Mix_Init+:} false; then :
   break
 fi
 done
-if test ${ac_cv_search_Mix_Init+y}
-then :
+if ${ac_cv_search_Mix_Init+:} false; then :
 
-else $as_nop
+else
   ac_cv_search_Mix_Init=no
 fi
 rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_Mix_Init" >&5
-printf "%s\n" "$ac_cv_search_Mix_Init" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_Mix_Init" >&5
+$as_echo "$ac_cv_search_Mix_Init" >&6; }
 ac_res=$ac_cv_search_Mix_Init
-if test "$ac_res" != no
-then :
+if test "$ac_res" != no; then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
 
-else $as_nop
-  if test "x$with_sdl_mixer" = "xyes"
-then :
+else
+  if test "x$with_sdl_mixer" = "xyes"; then :
   as_fn_error $? "Could not find SDL2_mixer library." "$LINENO" 5
-else $as_nop
+else
   NO_MIXER=1
 fi
 fi
 
-        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing mpg123_init" >&5
-printf %s "checking for library containing mpg123_init... " >&6; }
-if test ${ac_cv_search_mpg123_init+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+        { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing mpg123_init" >&5
+$as_echo_n "checking for library containing mpg123_init... " >&6; }
+if ${ac_cv_search_mpg123_init+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   ac_func_search_save_LIBS=$LIBS
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
-namespace conftest {
-  extern "C" int mpg123_init ();
-}
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char mpg123_init ();
 int
-main (void)
+main ()
 {
-return conftest::mpg123_init ();
+return mpg123_init ();
   ;
   return 0;
 }
 _ACEOF
-for ac_lib in '' mpg123
-do
+for ac_lib in '' mpg123; do
   if test -z "$ac_lib"; then
     ac_res="none required"
   else
     ac_res=-l$ac_lib
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
   fi
-  if ac_fn_cxx_try_link "$LINENO"
-then :
+  if ac_fn_cxx_try_link "$LINENO"; then :
   ac_cv_search_mpg123_init=$ac_res
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
+rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext
-  if test ${ac_cv_search_mpg123_init+y}
-then :
+  if ${ac_cv_search_mpg123_init+:} false; then :
   break
 fi
 done
-if test ${ac_cv_search_mpg123_init+y}
-then :
+if ${ac_cv_search_mpg123_init+:} false; then :
 
-else $as_nop
+else
   ac_cv_search_mpg123_init=no
 fi
 rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_mpg123_init" >&5
-printf "%s\n" "$ac_cv_search_mpg123_init" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_mpg123_init" >&5
+$as_echo "$ac_cv_search_mpg123_init" >&6; }
 ac_res=$ac_cv_search_mpg123_init
-if test "$ac_res" != no
-then :
+if test "$ac_res" != no; then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
 
 fi
 
-        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing FLAC__stream_decoder_new" >&5
-printf %s "checking for library containing FLAC__stream_decoder_new... " >&6; }
-if test ${ac_cv_search_FLAC__stream_decoder_new+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+        { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing FLAC__stream_decoder_new" >&5
+$as_echo_n "checking for library containing FLAC__stream_decoder_new... " >&6; }
+if ${ac_cv_search_FLAC__stream_decoder_new+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   ac_func_search_save_LIBS=$LIBS
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
-namespace conftest {
-  extern "C" int FLAC__stream_decoder_new ();
-}
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char FLAC__stream_decoder_new ();
 int
-main (void)
+main ()
 {
-return conftest::FLAC__stream_decoder_new ();
+return FLAC__stream_decoder_new ();
   ;
   return 0;
 }
 _ACEOF
-for ac_lib in '' flac
-do
+for ac_lib in '' flac; do
   if test -z "$ac_lib"; then
     ac_res="none required"
   else
     ac_res=-l$ac_lib
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
   fi
-  if ac_fn_cxx_try_link "$LINENO"
-then :
+  if ac_fn_cxx_try_link "$LINENO"; then :
   ac_cv_search_FLAC__stream_decoder_new=$ac_res
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
+rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext
-  if test ${ac_cv_search_FLAC__stream_decoder_new+y}
-then :
+  if ${ac_cv_search_FLAC__stream_decoder_new+:} false; then :
   break
 fi
 done
-if test ${ac_cv_search_FLAC__stream_decoder_new+y}
-then :
+if ${ac_cv_search_FLAC__stream_decoder_new+:} false; then :
 
-else $as_nop
+else
   ac_cv_search_FLAC__stream_decoder_new=no
 fi
 rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_FLAC__stream_decoder_new" >&5
-printf "%s\n" "$ac_cv_search_FLAC__stream_decoder_new" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_FLAC__stream_decoder_new" >&5
+$as_echo "$ac_cv_search_FLAC__stream_decoder_new" >&6; }
 ac_res=$ac_cv_search_FLAC__stream_decoder_new
-if test "$ac_res" != no
-then :
+if test "$ac_res" != no; then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
 
 fi
 
-        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing new_fluid_synth" >&5
-printf %s "checking for library containing new_fluid_synth... " >&6; }
-if test ${ac_cv_search_new_fluid_synth+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+        { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing new_fluid_synth" >&5
+$as_echo_n "checking for library containing new_fluid_synth... " >&6; }
+if ${ac_cv_search_new_fluid_synth+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   ac_func_search_save_LIBS=$LIBS
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
-namespace conftest {
-  extern "C" int new_fluid_synth ();
-}
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char new_fluid_synth ();
 int
-main (void)
+main ()
 {
-return conftest::new_fluid_synth ();
+return new_fluid_synth ();
   ;
   return 0;
 }
 _ACEOF
-for ac_lib in '' fluidsynth
-do
+for ac_lib in '' fluidsynth; do
   if test -z "$ac_lib"; then
     ac_res="none required"
   else
     ac_res=-l$ac_lib
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
   fi
-  if ac_fn_cxx_try_link "$LINENO"
-then :
+  if ac_fn_cxx_try_link "$LINENO"; then :
   ac_cv_search_new_fluid_synth=$ac_res
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
+rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext
-  if test ${ac_cv_search_new_fluid_synth+y}
-then :
+  if ${ac_cv_search_new_fluid_synth+:} false; then :
   break
 fi
 done
-if test ${ac_cv_search_new_fluid_synth+y}
-then :
+if ${ac_cv_search_new_fluid_synth+:} false; then :
 
-else $as_nop
+else
   ac_cv_search_new_fluid_synth=no
 fi
 rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_new_fluid_synth" >&5
-printf "%s\n" "$ac_cv_search_new_fluid_synth" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_new_fluid_synth" >&5
+$as_echo "$ac_cv_search_new_fluid_synth" >&6; }
 ac_res=$ac_cv_search_new_fluid_synth
-if test "$ac_res" != no
-then :
+if test "$ac_res" != no; then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
 
-else $as_nop
-  if test "x$with_sdl_mixer" = "xyes"
-then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: Could not find FluidSynth library. Soundfont support will be limited or non-existent." >&5
-printf "%s\n" "$as_me: WARNING: Could not find FluidSynth library. Soundfont support will be limited or non-existent." >&2;}
+else
+  if test "x$with_sdl_mixer" = "xyes"; then :
+  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Could not find FluidSynth library. Soundfont support will be limited or non-existent." >&5
+$as_echo "$as_me: WARNING: Could not find FluidSynth library. Soundfont support will be limited or non-existent." >&2;}
 fi
 fi
 
 
-else $as_nop
+else
   NO_MIXER=1
 fi
 
-    if test "x$PRINT_TYPE" = "x" || test "x$PRINT_TYPE" = "x0"
-then :
+    if test "x$PRINT_TYPE" = "x" || test "x$PRINT_TYPE" = "x0"; then :
 
-               for ac_header in hpdf.h
+        for ac_header in hpdf.h
 do :
-  ac_fn_cxx_check_header_compile "$LINENO" "hpdf.h" "ac_cv_header_hpdf_h" "$ac_includes_default"
-if test "x$ac_cv_header_hpdf_h" = xyes
-then :
-  printf "%s\n" "#define HAVE_HPDF_H 1" >>confdefs.h
-
-else $as_nop
-  if test "x$PRINT_TYPE" = "x0"
-then :
+  ac_fn_cxx_check_header_mongrel "$LINENO" "hpdf.h" "ac_cv_header_hpdf_h" "$ac_includes_default"
+if test "x$ac_cv_header_hpdf_h" = xyes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_HPDF_H 1
+_ACEOF
+
+else
+  if test "x$PRINT_TYPE" = "x0"; then :
   as_fn_error $? "Could not find hpdf header." "$LINENO" 5
-else $as_nop
+else
   PRINT_TYPE=1
 fi
 fi
 
 done
-        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing HPDF_New" >&5
-printf %s "checking for library containing HPDF_New... " >&6; }
-if test ${ac_cv_search_HPDF_New+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+
+        { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing HPDF_New" >&5
+$as_echo_n "checking for library containing HPDF_New... " >&6; }
+if ${ac_cv_search_HPDF_New+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
   ac_func_search_save_LIBS=$LIBS
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
-namespace conftest {
-  extern "C" int HPDF_New ();
-}
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char HPDF_New ();
 int
-main (void)
+main ()
 {
-return conftest::HPDF_New ();
+return HPDF_New ();
   ;
   return 0;
 }
 _ACEOF
-for ac_lib in '' hpdf
-do
+for ac_lib in '' hpdf; do
   if test -z "$ac_lib"; then
     ac_res="none required"
   else
     ac_res=-l$ac_lib
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
   fi
-  if ac_fn_cxx_try_link "$LINENO"
-then :
+  if ac_fn_cxx_try_link "$LINENO"; then :
   ac_cv_search_HPDF_New=$ac_res
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
+rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext
-  if test ${ac_cv_search_HPDF_New+y}
-then :
+  if ${ac_cv_search_HPDF_New+:} false; then :
   break
 fi
 done
-if test ${ac_cv_search_HPDF_New+y}
-then :
+if ${ac_cv_search_HPDF_New+:} false; then :
 
-else $as_nop
+else
   ac_cv_search_HPDF_New=no
 fi
 rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_HPDF_New" >&5
-printf "%s\n" "$ac_cv_search_HPDF_New" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_HPDF_New" >&5
+$as_echo "$ac_cv_search_HPDF_New" >&6; }
 ac_res=$ac_cv_search_HPDF_New
-if test "$ac_res" != no
-then :
+if test "$ac_res" != no; then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
 
-else $as_nop
-  if test "x$PRINT_TYPE" = "x0"
-then :
+else
+  if test "x$PRINT_TYPE" = "x0"; then :
   as_fn_error $? "Could not find hpdf library." "$LINENO" 5
-else $as_nop
+else
   PRINT_TYPE=1
 fi
 fi
@@ -6286,6 +5885,63 @@ fi
 
 fi
 
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing backtrace" >&5
+$as_echo_n "checking for library containing backtrace... " >&6; }
+if ${ac_cv_search_backtrace+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_func_search_save_LIBS=$LIBS
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char backtrace ();
+int
+main ()
+{
+return backtrace ();
+  ;
+  return 0;
+}
+_ACEOF
+for ac_lib in '' execinfo; do
+  if test -z "$ac_lib"; then
+    ac_res="none required"
+  else
+    ac_res=-l$ac_lib
+    LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
+  fi
+  if ac_fn_cxx_try_link "$LINENO"; then :
+  ac_cv_search_backtrace=$ac_res
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext
+  if ${ac_cv_search_backtrace+:} false; then :
+  break
+fi
+done
+if ${ac_cv_search_backtrace+:} false; then :
+
+else
+  ac_cv_search_backtrace=no
+fi
+rm conftest.$ac_ext
+LIBS=$ac_func_search_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_backtrace" >&5
+$as_echo "$ac_cv_search_backtrace" >&6; }
+ac_res=$ac_cv_search_backtrace
+if test "$ac_res" != no; then :
+  test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
+
+fi
+ # for musl libc on Linux
+
     if test "x$NO_PNG" = "x1"; then CPPFLAGS="$CPPFLAGS -DNO_PNG"; fi
     if test "x$NO_WEBP" = "x1"; then CPPFLAGS="$CPPFLAGS -DNO_WEBP"; fi
     if test "x$NO_CLI" = "x1"; then CPPFLAGS="$CPPFLAGS -DNO_CLI"; fi
@@ -6323,8 +5979,8 @@ _ACEOF
     case $ac_val in #(
     *${as_nl}*)
       case $ac_var in #(
-      *_cv_*) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5
-printf "%s\n" "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
+      *_cv_*) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5
+$as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
       esac
       case $ac_var in #(
       _ | IFS | as_nl) ;; #(
@@ -6354,15 +6010,15 @@ printf "%s\n" "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;}
      /^ac_cv_env_/b end
      t clear
      :clear
-     s/^\([^=]*\)=\(.*[{}].*\)$/test ${\1+y} || &/
+     s/^\([^=]*\)=\(.*[{}].*\)$/test "${\1+set}" = set || &/
      t end
      s/^\([^=]*\)=\(.*\)$/\1=${\1=\2}/
      :end' >>confcache
 if diff "$cache_file" confcache >/dev/null 2>&1; then :; else
   if test -w "$cache_file"; then
     if test "x$cache_file" != "x/dev/null"; then
-      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: updating cache $cache_file" >&5
-printf "%s\n" "$as_me: updating cache $cache_file" >&6;}
+      { $as_echo "$as_me:${as_lineno-$LINENO}: updating cache $cache_file" >&5
+$as_echo "$as_me: updating cache $cache_file" >&6;}
       if test ! -f "$cache_file" || test -h "$cache_file"; then
 	cat confcache >"$cache_file"
       else
@@ -6376,8 +6032,8 @@ printf "%s\n" "$as_me: updating cache $cache_file" >&6;}
       fi
     fi
   else
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: not updating unwritable cache $cache_file" >&5
-printf "%s\n" "$as_me: not updating unwritable cache $cache_file" >&6;}
+    { $as_echo "$as_me:${as_lineno-$LINENO}: not updating unwritable cache $cache_file" >&5
+$as_echo "$as_me: not updating unwritable cache $cache_file" >&6;}
   fi
 fi
 rm -f confcache
@@ -6430,7 +6086,7 @@ U=
 for ac_i in : $LIBOBJS; do test "x$ac_i" = x: && continue
   # 1. Remove the extension, and $U if already installed.
   ac_script='s/\$U\././;s/\.o$//;s/\.obj$//'
-  ac_i=`printf "%s\n" "$ac_i" | sed "$ac_script"`
+  ac_i=`$as_echo "$ac_i" | sed "$ac_script"`
   # 2. Prepend LIBOBJDIR.  When used with automake>=1.10 LIBOBJDIR
   #    will be set to the directory where LIBOBJS objects are built.
   as_fn_append ac_libobjs " \${LIBOBJDIR}$ac_i\$U.$ac_objext"
@@ -6446,8 +6102,8 @@ LTLIBOBJS=$ac_ltlibobjs
 ac_write_fail=0
 ac_clean_files_save=$ac_clean_files
 ac_clean_files="$ac_clean_files $CONFIG_STATUS"
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: creating $CONFIG_STATUS" >&5
-printf "%s\n" "$as_me: creating $CONFIG_STATUS" >&6;}
+{ $as_echo "$as_me:${as_lineno-$LINENO}: creating $CONFIG_STATUS" >&5
+$as_echo "$as_me: creating $CONFIG_STATUS" >&6;}
 as_write_fail=0
 cat >$CONFIG_STATUS <<_ASEOF || as_write_fail=1
 #! $SHELL
@@ -6470,16 +6126,14 @@ cat >>$CONFIG_STATUS <<\_ASEOF || as_write_fail=1
 
 # Be more Bourne compatible
 DUALCASE=1; export DUALCASE # for MKS sh
-as_nop=:
-if test ${ZSH_VERSION+y} && (emulate sh) >/dev/null 2>&1
-then :
+if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then :
   emulate sh
   NULLCMD=:
   # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which
   # is contrary to our usage.  Disable this feature.
   alias -g '${1+"$@"}'='"$@"'
   setopt NO_GLOB_SUBST
-else $as_nop
+else
   case `(set -o) 2>/dev/null` in #(
   *posix*) :
     set -o posix ;; #(
@@ -6489,46 +6143,46 @@ esac
 fi
 
 
-
-# Reset variables that may have inherited troublesome values from
-# the environment.
-
-# IFS needs to be set, to space, tab, and newline, in precisely that order.
-# (If _AS_PATH_WALK were called with IFS unset, it would have the
-# side effect of setting IFS to empty, thus disabling word splitting.)
-# Quoting is to prevent editors from complaining about space-tab.
 as_nl='
 '
 export as_nl
-IFS=" ""	$as_nl"
-
-PS1='$ '
-PS2='> '
-PS4='+ '
-
-# Ensure predictable behavior from utilities with locale-dependent output.
-LC_ALL=C
-export LC_ALL
-LANGUAGE=C
-export LANGUAGE
-
-# We cannot yet rely on "unset" to work, but we need these variables
-# to be unset--not just set to an empty or harmless value--now, to
-# avoid bugs in old shells (e.g. pre-3.0 UWIN ksh).  This construct
-# also avoids known problems related to "unset" and subshell syntax
-# in other old shells (e.g. bash 2.01 and pdksh 5.2.14).
-for as_var in BASH_ENV ENV MAIL MAILPATH CDPATH
-do eval test \${$as_var+y} \
-  && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || :
-done
-
-# Ensure that fds 0, 1, and 2 are open.
-if (exec 3>&0) 2>/dev/null; then :; else exec 0</dev/null; fi
-if (exec 3>&1) 2>/dev/null; then :; else exec 1>/dev/null; fi
-if (exec 3>&2)            ; then :; else exec 2>/dev/null; fi
+# Printing a long string crashes Solaris 7 /usr/bin/printf.
+as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'
+as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo
+as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo
+# Prefer a ksh shell builtin over an external printf program on Solaris,
+# but without wasting forks for bash or zsh.
+if test -z "$BASH_VERSION$ZSH_VERSION" \
+    && (test "X`print -r -- $as_echo`" = "X$as_echo") 2>/dev/null; then
+  as_echo='print -r --'
+  as_echo_n='print -rn --'
+elif (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then
+  as_echo='printf %s\n'
+  as_echo_n='printf %s'
+else
+  if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then
+    as_echo_body='eval /usr/ucb/echo -n "$1$as_nl"'
+    as_echo_n='/usr/ucb/echo -n'
+  else
+    as_echo_body='eval expr "X$1" : "X\\(.*\\)"'
+    as_echo_n_body='eval
+      arg=$1;
+      case $arg in #(
+      *"$as_nl"*)
+	expr "X$arg" : "X\\(.*\\)$as_nl";
+	arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;;
+      esac;
+      expr "X$arg" : "X\\(.*\\)" | tr -d "$as_nl"
+    '
+    export as_echo_n_body
+    as_echo_n='sh -c $as_echo_n_body as_echo'
+  fi
+  export as_echo_body
+  as_echo='sh -c $as_echo_body as_echo'
+fi
 
 # The user is always right.
-if ${PATH_SEPARATOR+false} :; then
+if test "${PATH_SEPARATOR+set}" != set; then
   PATH_SEPARATOR=:
   (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && {
     (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 ||
@@ -6537,6 +6191,13 @@ if ${PATH_SEPARATOR+false} :; then
 fi
 
 
+# IFS
+# We need space, tab and new line, in precisely that order.  Quoting is
+# there to prevent editors from complaining about space-tab.
+# (If _AS_PATH_WALK were called with IFS unset, it would disable word
+# splitting by setting IFS to empty value.)
+IFS=" ""	$as_nl"
+
 # Find who we are.  Look in the path if we contain no directory separator.
 as_myself=
 case $0 in #((
@@ -6545,12 +6206,8 @@ case $0 in #((
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  case $as_dir in #(((
-    '') as_dir=./ ;;
-    */) ;;
-    *) as_dir=$as_dir/ ;;
-  esac
-    test -r "$as_dir$0" && as_myself=$as_dir$0 && break
+  test -z "$as_dir" && as_dir=.
+    test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break
   done
 IFS=$as_save_IFS
 
@@ -6562,10 +6219,30 @@ if test "x$as_myself" = x; then
   as_myself=$0
 fi
 if test ! -f "$as_myself"; then
-  printf "%s\n" "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
+  $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
   exit 1
 fi
 
+# Unset variables that we do not need and which cause bugs (e.g. in
+# pre-3.0 UWIN ksh).  But do not cause bugs in bash 2.01; the "|| exit 1"
+# suppresses any "Segmentation fault" message there.  '((' could
+# trigger a bug in pdksh 5.2.14.
+for as_var in BASH_ENV ENV MAIL MAILPATH
+do eval test x\${$as_var+set} = xset \
+  && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || :
+done
+PS1='$ '
+PS2='> '
+PS4='+ '
+
+# NLS nuisances.
+LC_ALL=C
+export LC_ALL
+LANGUAGE=C
+export LANGUAGE
+
+# CDPATH.
+(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
 
 
 # as_fn_error STATUS ERROR [LINENO LOG_FD]
@@ -6578,14 +6255,13 @@ as_fn_error ()
   as_status=$1; test $as_status -eq 0 && as_status=1
   if test "$4"; then
     as_lineno=${as_lineno-"$3"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-    printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: $2" >&$4
+    $as_echo "$as_me:${as_lineno-$LINENO}: error: $2" >&$4
   fi
-  printf "%s\n" "$as_me: error: $2" >&2
+  $as_echo "$as_me: error: $2" >&2
   as_fn_exit $as_status
 } # as_fn_error
 
 
-
 # as_fn_set_status STATUS
 # -----------------------
 # Set $? to STATUS, without forking.
@@ -6612,20 +6288,18 @@ as_fn_unset ()
   { eval $1=; unset $1;}
 }
 as_unset=as_fn_unset
-
 # as_fn_append VAR VALUE
 # ----------------------
 # Append the text in VALUE to the end of the definition contained in VAR. Take
 # advantage of any shell optimizations that allow amortized linear growth over
 # repeated appends, instead of the typical quadratic growth present in naive
 # implementations.
-if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null
-then :
+if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null; then :
   eval 'as_fn_append ()
   {
     eval $1+=\$2
   }'
-else $as_nop
+else
   as_fn_append ()
   {
     eval $1=\$$1\$2
@@ -6637,13 +6311,12 @@ fi # as_fn_append
 # Perform arithmetic evaluation on the ARGs, and store the result in the
 # global $as_val. Take advantage of shells that can avoid forks. The arguments
 # must be portable across $(()) and expr.
-if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null
-then :
+if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null; then :
   eval 'as_fn_arith ()
   {
     as_val=$(( $* ))
   }'
-else $as_nop
+else
   as_fn_arith ()
   {
     as_val=`expr "$@" || test $? -eq 1`
@@ -6674,7 +6347,7 @@ as_me=`$as_basename -- "$0" ||
 $as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
 	 X"$0" : 'X\(//\)$' \| \
 	 X"$0" : 'X\(/\)' \| . 2>/dev/null ||
-printf "%s\n" X/"$0" |
+$as_echo X/"$0" |
     sed '/^.*\/\([^/][^/]*\)\/*$/{
 	    s//\1/
 	    q
@@ -6696,10 +6369,6 @@ as_cr_Letters=$as_cr_letters$as_cr_LETTERS
 as_cr_digits='0123456789'
 as_cr_alnum=$as_cr_Letters$as_cr_digits
 
-
-# Determine whether it's possible to make 'echo' print without a newline.
-# These variables are no longer used directly by Autoconf, but are AC_SUBSTed
-# for compatibility with existing Makefiles.
 ECHO_C= ECHO_N= ECHO_T=
 case `echo -n x` in #(((((
 -n*)
@@ -6713,12 +6382,6 @@ case `echo -n x` in #(((((
   ECHO_N='-n';;
 esac
 
-# For backward compatibility with old third-party macros, we provide
-# the shell variables $as_echo and $as_echo_n.  New code should use
-# AS_ECHO(["message"]) and AS_ECHO_N(["message"]), respectively.
-as_echo='printf %s\n'
-as_echo_n='printf %s'
-
 rm -f conf$$ conf$$.exe conf$$.file
 if test -d conf$$.dir; then
   rm -f conf$$.dir/conf$$.file
@@ -6760,7 +6423,7 @@ as_fn_mkdir_p ()
     as_dirs=
     while :; do
       case $as_dir in #(
-      *\'*) as_qdir=`printf "%s\n" "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'(
+      *\'*) as_qdir=`$as_echo "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'(
       *) as_qdir=$as_dir;;
       esac
       as_dirs="'$as_qdir' $as_dirs"
@@ -6769,7 +6432,7 @@ $as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
 	 X"$as_dir" : 'X\(//\)[^/]' \| \
 	 X"$as_dir" : 'X\(//\)$' \| \
 	 X"$as_dir" : 'X\(/\)' \| . 2>/dev/null ||
-printf "%s\n" X"$as_dir" |
+$as_echo X"$as_dir" |
     sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
 	    s//\1/
 	    q
@@ -6881,16 +6544,14 @@ $config_files
 Report bugs to the package provider."
 
 _ACEOF
-ac_cs_config=`printf "%s\n" "$ac_configure_args" | sed "$ac_safe_unquote"`
-ac_cs_config_escaped=`printf "%s\n" "$ac_cs_config" | sed "s/^ //; s/'/'\\\\\\\\''/g"`
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
-ac_cs_config='$ac_cs_config_escaped'
+ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
 ac_cs_version="\\
 CraftOS-PC Accelerated config.status 2.6
 configured by $0, generated by GNU Autoconf 2.71,
   with options \\"\$ac_cs_config\\"
 
-Copyright (C) 2021 Free Software Foundation, Inc.
+Copyright (C) 2012 Free Software Foundation, Inc.
 This config.status script is free software; the Free Software Foundation
 gives unlimited permission to copy, distribute and modify it."
 
@@ -6927,21 +6588,21 @@ do
   -recheck | --recheck | --rechec | --reche | --rech | --rec | --re | --r)
     ac_cs_recheck=: ;;
   --version | --versio | --versi | --vers | --ver | --ve | --v | -V )
-    printf "%s\n" "$ac_cs_version"; exit ;;
+    $as_echo "$ac_cs_version"; exit ;;
   --config | --confi | --conf | --con | --co | --c )
-    printf "%s\n" "$ac_cs_config"; exit ;;
+    $as_echo "$ac_cs_config"; exit ;;
   --debug | --debu | --deb | --de | --d | -d )
     debug=: ;;
   --file | --fil | --fi | --f )
     $ac_shift
     case $ac_optarg in
-    *\'*) ac_optarg=`printf "%s\n" "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;;
+    *\'*) ac_optarg=`$as_echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;;
     '') as_fn_error $? "missing file argument" ;;
     esac
     as_fn_append CONFIG_FILES " '$ac_optarg'"
     ac_need_defaults=false;;
   --he | --h |  --help | --hel | -h )
-    printf "%s\n" "$ac_cs_usage"; exit ;;
+    $as_echo "$ac_cs_usage"; exit ;;
   -q | -quiet | --quiet | --quie | --qui | --qu | --q \
   | -silent | --silent | --silen | --sile | --sil | --si | --s)
     ac_cs_silent=: ;;
@@ -6969,7 +6630,7 @@ cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 if \$ac_cs_recheck; then
   set X $SHELL '$0' $ac_configure_args \$ac_configure_extra_args --no-create --no-recursion
   shift
-  \printf "%s\n" "running CONFIG_SHELL=$SHELL \$*" >&6
+  \$as_echo "running CONFIG_SHELL=$SHELL \$*" >&6
   CONFIG_SHELL='$SHELL'
   export CONFIG_SHELL
   exec "\$@"
@@ -6983,7 +6644,7 @@ exec 5>>config.log
   sed 'h;s/./-/g;s/^.../## /;s/...$/ ##/;p;x;p;x' <<_ASBOX
 ## Running $as_me. ##
 _ASBOX
-  printf "%s\n" "$ac_log"
+  $as_echo "$ac_log"
 } >&5
 
 _ACEOF
@@ -7008,7 +6669,7 @@ done
 # We use the long form for the default assignment because of an extremely
 # bizarre bug on SunOS 4.1.3.
 if $ac_need_defaults; then
-  test ${CONFIG_FILES+y} || CONFIG_FILES=$config_files
+  test "${CONFIG_FILES+set}" = set || CONFIG_FILES=$config_files
 fi
 
 # Have a temporary directory for convenience.  Make it in the build tree
@@ -7236,7 +6897,7 @@ do
 	   esac ||
 	   as_fn_error 1 "cannot find input file: \`$ac_f'" "$LINENO" 5;;
       esac
-      case $ac_f in *\'*) ac_f=`printf "%s\n" "$ac_f" | sed "s/'/'\\\\\\\\''/g"`;; esac
+      case $ac_f in *\'*) ac_f=`$as_echo "$ac_f" | sed "s/'/'\\\\\\\\''/g"`;; esac
       as_fn_append ac_file_inputs " '$ac_f'"
     done
 
@@ -7244,17 +6905,17 @@ do
     # use $as_me), people would be surprised to read:
     #    /* config.h.  Generated by config.status.  */
     configure_input='Generated from '`
-	  printf "%s\n" "$*" | sed 's|^[^:]*/||;s|:[^:]*/|, |g'
+	  $as_echo "$*" | sed 's|^[^:]*/||;s|:[^:]*/|, |g'
 	`' by configure.'
     if test x"$ac_file" != x-; then
       configure_input="$ac_file.  $configure_input"
-      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: creating $ac_file" >&5
-printf "%s\n" "$as_me: creating $ac_file" >&6;}
+      { $as_echo "$as_me:${as_lineno-$LINENO}: creating $ac_file" >&5
+$as_echo "$as_me: creating $ac_file" >&6;}
     fi
     # Neutralize special characters interpreted by sed in replacement strings.
     case $configure_input in #(
     *\&* | *\|* | *\\* )
-       ac_sed_conf_input=`printf "%s\n" "$configure_input" |
+       ac_sed_conf_input=`$as_echo "$configure_input" |
        sed 's/[\\\\&|]/\\\\&/g'`;; #(
     *) ac_sed_conf_input=$configure_input;;
     esac
@@ -7271,7 +6932,7 @@ $as_expr X"$ac_file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
 	 X"$ac_file" : 'X\(//\)[^/]' \| \
 	 X"$ac_file" : 'X\(//\)$' \| \
 	 X"$ac_file" : 'X\(/\)' \| . 2>/dev/null ||
-printf "%s\n" X"$ac_file" |
+$as_echo X"$ac_file" |
     sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
 	    s//\1/
 	    q
@@ -7295,9 +6956,9 @@ printf "%s\n" X"$ac_file" |
 case "$ac_dir" in
 .) ac_dir_suffix= ac_top_builddir_sub=. ac_top_build_prefix= ;;
 *)
-  ac_dir_suffix=/`printf "%s\n" "$ac_dir" | sed 's|^\.[\\/]||'`
+  ac_dir_suffix=/`$as_echo "$ac_dir" | sed 's|^\.[\\/]||'`
   # A ".." for each directory in $ac_dir_suffix.
-  ac_top_builddir_sub=`printf "%s\n" "$ac_dir_suffix" | sed 's|/[^\\/]*|/..|g;s|/||'`
+  ac_top_builddir_sub=`$as_echo "$ac_dir_suffix" | sed 's|/[^\\/]*|/..|g;s|/||'`
   case $ac_top_builddir_sub in
   "") ac_top_builddir_sub=. ac_top_build_prefix= ;;
   *)  ac_top_build_prefix=$ac_top_builddir_sub/ ;;
@@ -7350,8 +7011,8 @@ ac_sed_dataroot='
 case `eval "sed -n \"\$ac_sed_dataroot\" $ac_file_inputs"` in
 *datarootdir*) ac_datarootdir_seen=yes;;
 *@datadir@*|*@docdir@*|*@infodir@*|*@localedir@*|*@mandir@*)
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&5
-printf "%s\n" "$as_me: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&2;}
+  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&5
+$as_echo "$as_me: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&2;}
 _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
   ac_datarootdir_hack='
@@ -7393,9 +7054,9 @@ test -z "$ac_datarootdir_hack$ac_datarootdir_seen" &&
   { ac_out=`sed -n '/\${datarootdir}/p' "$ac_tmp/out"`; test -n "$ac_out"; } &&
   { ac_out=`sed -n '/^[	 ]*datarootdir[	 ]*:*=/p' \
       "$ac_tmp/out"`; test -z "$ac_out"; } &&
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file contains a reference to the variable \`datarootdir'
+  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file contains a reference to the variable \`datarootdir'
 which seems to be undefined.  Please make sure it is defined" >&5
-printf "%s\n" "$as_me: WARNING: $ac_file contains a reference to the variable \`datarootdir'
+$as_echo "$as_me: WARNING: $ac_file contains a reference to the variable \`datarootdir'
 which seems to be undefined.  Please make sure it is defined" >&2;}
 
   rm -f "$ac_tmp/stdin"
@@ -7442,8 +7103,7 @@ if test "$no_create" != yes; then
   $ac_cs_success || as_fn_exit 1
 fi
 if test -n "$ac_unrecognized_opts" && test "$enable_option_checking" != no; then
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: unrecognized options: $ac_unrecognized_opts" >&5
-printf "%s\n" "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2;}
+  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: unrecognized options: $ac_unrecognized_opts" >&5
+$as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2;}
 fi
 
-
diff --git a/configure.ac b/configure.ac
index 59aaf80c..9ddfe923 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,5 +1,5 @@
 # Initialize
-AC_INIT([CraftOS-PC Accelerated], [2.6])
+AC_INIT([CraftOS-PC Accelerated], [2.8])
 AC_CONFIG_SRCDIR([src/main.cpp])
 AC_CONFIG_MACRO_DIRS([m4])
 
@@ -137,6 +137,8 @@ if test "x$enable_wasm" != "xyes"; then
         AC_SEARCH_LIBS(HPDF_New, hpdf, [], [AS_IF([test "x$PRINT_TYPE" = "x0"], [AC_MSG_ERROR([Could not find hpdf library.])], [PRINT_TYPE=1])])
     ], [])
 
+    AC_SEARCH_LIBS(backtrace, execinfo, [], []) # for musl libc on Linux
+
     if test "x$NO_PNG" = "x1"; then CPPFLAGS="$CPPFLAGS -DNO_PNG"; fi
     if test "x$NO_WEBP" = "x1"; then CPPFLAGS="$CPPFLAGS -DNO_WEBP"; fi
     if test "x$NO_CLI" = "x1"; then CPPFLAGS="$CPPFLAGS -DNO_CLI"; fi
diff --git a/examples/ccemux.cpp b/examples/ccemux.cpp
index 917b3d40..003be580 100644
--- a/examples/ccemux.cpp
+++ b/examples/ccemux.cpp
@@ -248,7 +248,7 @@ static struct luaL_Reg M[] = {
     {NULL, NULL}
 };
 
-static PluginInfo info("ccemux", 3);
+static PluginInfo info("ccemux", 0);
 
 extern "C" {
 DLLEXPORT int luaopen_ccemux(lua_State *L) {
diff --git a/resources/CraftOS-PC.exe.manifest b/resources/CraftOS-PC.exe.manifest
index d6caf141..56c3d92d 100644
--- a/resources/CraftOS-PC.exe.manifest
+++ b/resources/CraftOS-PC.exe.manifest
@@ -3,7 +3,7 @@
     <assemblyIdentity
       type="win32"
       name="CraftOS-PC Accelerated"
-      version="2.8.0.0"
+      version="2.8.2.0"
       processorArchitecture="*"
     />
   <description>Advanced ComputerCraft Emulator</description>
diff --git a/resources/Info.plist b/resources/Info.plist
index 164726c1..a46ae55e 100644
--- a/resources/Info.plist
+++ b/resources/Info.plist
@@ -21,13 +21,13 @@
 	<key>CFBundlePackageType</key>
 	<string>APPL</string>
 	<key>CFBundleShortVersionString</key>
-	<string>2.8</string>
+	<string>2.8.2</string>
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>LSApplicationCategoryType</key>
 	<string>Unknown</string>
 	<key>CFBundleVersion</key>
-	<string>2.8</string>
+	<string>2.8.2</string>
 	<key>NSHumanReadableCopyright</key>
 	<string>Copyright (C) 2019-2024 JackMacWindows.</string>
 	<key>NSHighResolutionCapable</key>
diff --git a/src/Computer.cpp b/src/Computer.cpp
index 3c6d36c8..b0b01210 100644
--- a/src/Computer.cpp
+++ b/src/Computer.cpp
@@ -290,14 +290,6 @@ void runComputer(Computer * self, const path_t& bios_name, const std::string& bi
         lua_setmetatable(L, -2);
         lua_setfield(L, LUA_REGISTRYINDEX, "_coroutine_stack");
 
-        // Disable luaL_register using package.loaded by making it a dummy table
-        lua_newtable(L);
-        lua_createtable(L, 0, 1);
-        lua_pushcfunction(L, doNothing);
-        lua_setfield(L, -2, "__newindex");
-        lua_setmetatable(L, -2);
-        lua_setfield(L, LUA_REGISTRYINDEX, "_LOADED");
-
         // Load libraries
         const luaL_Reg *lib = lualibs;
         /* call open functions from 'loadedlibs' and set results to global table */
@@ -336,6 +328,12 @@ void runComputer(Computer * self, const path_t& bios_name, const std::string& bi
             lua_setglobal(L, "ffi");
         }
 
+        // Replace `os` in `_LOADED` with CC's `os`
+        lua_getfield(L, LUA_REGISTRYINDEX, "_LOADED");
+        lua_getglobal(L, "os");
+        lua_setfield(L, -2, "os");
+        lua_pop(L, 1);
+
         // Load any plugins available
         if (!config.vanilla) {
             if (!globalPluginErrors.empty()) {
@@ -529,7 +527,7 @@ void runComputer(Computer * self, const path_t& bios_name, const std::string& bi
         while (status == LUA_YIELD && self->running == 1) {
             status = lua_resume(self->coro, narg);
             if (status == LUA_YIELD) {
-                if (lua_gettop(self->coro) && lua_isstring(self->coro, -1)) narg = getNextEvent(self->coro, std::string(lua_tostring(self->coro, -1), lua_objlen(self->coro, -1)));
+                if (lua_gettop(self->coro) && lua_isstring(self->coro, -1)) narg = getNextEvent(self->coro, tostring(self->coro, -1));
                 else narg = getNextEvent(self->coro, "");
             } else if (status != 0 && self->running == 1) {
                 // Catch runtime error
diff --git a/src/apis/config.cpp b/src/apis/config.cpp
index 5e559310..0784a10e 100644
--- a/src/apis/config.cpp
+++ b/src/apis/config.cpp
@@ -137,7 +137,7 @@ static int config_set(lua_State *L) {
             // trying to deallocate unallocated/invalid memory. The only workaround I've found is to make the static variables
             // dynamic, thus telling MSVC to keep its grubby hands off allocation/deallocation. It's an unfortunate situation,
             // but there's really no way around it.
-            std::string * message = new std::string("A script is attempting to change the default mount mode to " + (lua_isnumber(L, 2) ? std::to_string(lua_tointeger(L, 2)) : std::string(lua_tostring(L, 2))) + ". This will allow any script to access any part of your REAL computer that is not blacklisted. Do you want to allow this change?");
+            std::string * message = new std::string("A script is attempting to change the default mount mode to " + (lua_isnumber(L, 2) ? std::to_string(lua_tointeger(L, 2)) : tostring(L, 2)) + ". This will allow any script to access any part of your REAL computer that is not blacklisted. Do you want to allow this change?");
             data.message = message->c_str();
             data.numbuttons = 2;
             SDL_MessageBoxButtonData buttons[2];
@@ -165,7 +165,7 @@ static int config_set(lua_State *L) {
         } else luaL_error(L, "Configuration option 'mount_mode' is protected");
     } setConfigSetting(disable_lua51_features, boolean);
     else if (strcmp(name, "default_computer_settings") == 0)
-        config.default_computer_settings = std::string(luaL_checkstring(L, 2), lua_objlen(L, 2));
+        config.default_computer_settings = checkstring(L, 2);
     setConfigSetting(logErrors, boolean);
     setConfigSettingI(computerSpaceLimit);
     setConfigSettingI(maximumFilesOpen);
@@ -204,7 +204,7 @@ static int config_set(lua_State *L) {
     setConfigSetting(standardsMode, boolean);
     setConfigSetting(useHardwareRenderer, boolean);
     else if (strcmp(name, "preferredHardwareDriver") == 0)
-        config.preferredHardwareDriver = std::string(luaL_checkstring(L, 2), lua_objlen(L, 2));
+        config.preferredHardwareDriver = checkstring(L, 2);
     setConfigSetting(useVsync, boolean);
     setConfigSetting(http_websocket_enabled, boolean);
     setConfigSettingI(http_max_websockets);
@@ -245,7 +245,7 @@ static int config_set(lua_State *L) {
         switch (std::get<0>(userConfig[name])) {
             case 0: config.pluginData[name] = lua_toboolean(L, 2) ? "true" : "false"; break;
             case 1: config.pluginData[name] = std::to_string(luaL_checkinteger(L, 2)); break;
-            case 2: config.pluginData[name] = std::string(luaL_checkstring(L, 2), lua_objlen(L, 2)); break;
+            case 2: config.pluginData[name] = checkstring(L, 2); break;
             case 3: return luaL_error(L, "Invalid type"); // maybe fix this later?
         }
         if (std::get<1>(userConfig[name]) != nullptr) {
diff --git a/src/apis/handles/http_handle.cpp b/src/apis/handles/http_handle.cpp
index a5b88875..96d4b050 100644
--- a/src/apis/handles/http_handle.cpp
+++ b/src/apis/handles/http_handle.cpp
@@ -28,6 +28,7 @@ int http_handle_free(lua_State *L) {
     lastCFunction = __func__;
     http_handle_t** handle = (http_handle_t**)lua_touserdata(L, 1);
     if (*handle != NULL) {
+        if (config.standardsMode) delete (std::stringstream*)(*handle)->stream;
         delete (*handle)->handle;
         delete (*handle)->session;
         delete *handle;
@@ -40,6 +41,7 @@ int http_handle_close(lua_State *L) {
     lastCFunction = __func__;
     http_handle_t** handle = (http_handle_t**)lua_touserdata(L, lua_upvalueindex(1));
     if (*handle == NULL) return 0;
+    if (config.standardsMode) delete (std::stringstream*)(*handle)->stream;
     delete (*handle)->handle;
     delete (*handle)->session;
     delete *handle;
diff --git a/src/apis/http.cpp b/src/apis/http.cpp
index f73e9a8a..e70859bd 100644
--- a/src/apis/http.cpp
+++ b/src/apis/http.cpp
@@ -324,7 +324,17 @@ static void downloadThread(void* arg) {
         }
         http_handle_t * handle;
         try {
-            handle = new http_handle_t(&session->receiveResponse(*response));
+            if (config.standardsMode) {
+                // Fix seeking by reading the entire data into a stringstream
+                std::istream& instream = session->receiveResponse(*response);
+                std::stringstream * ss = new std::stringstream;
+                while (!instream.eof()) {
+                    char buf[4096];
+                    instream.read(buf, 4096);
+                    ss->write(buf, instream.gcount());
+                }
+                handle = new http_handle_t(ss);
+            } else handle = new http_handle_t(&session->receiveResponse(*response));
         } catch (Poco::TimeoutException &e) {
             http_handle_t * err = new http_handle_t(NULL);
             err->url = param->url;
@@ -348,6 +358,8 @@ static void downloadThread(void* arg) {
             err->url = param->url;
             err->failureReason = "Response is too large";
             queueEvent(param->comp, http_failure, err);
+            if (config.standardsMode) delete (std::stringstream*)handle->stream;
+            delete handle;
             delete response;
             delete session;
             goto downloadThread_finish;
@@ -361,6 +373,7 @@ static void downloadThread(void* arg) {
                 if (location[0] == '/') location = uri.getScheme() + "://" + uri.getHost() + location;
                 else location = uri.getScheme() + "://" + uri.getHost() + path.substr(0, path.find('?')) + "/" + location;
             }
+            if (config.standardsMode) delete (std::stringstream*)handle->stream;
             delete handle->handle;
             delete handle->session;
             delete handle;
@@ -478,18 +491,19 @@ static int http_request(lua_State *L) {
     if (lua_istable(L, 1)) {
         lua_getfield(L, 1, "url");
         if (!lua_isstring(L, -1)) {delete param; return luaL_error(L, "bad field 'url' (string expected, got %s)", lua_typename(L, lua_type(L, -1)));}
-        param->url = lua_tostring(L, -1);
+        param->url = tostring(L, -1);
         param->old_url = param->url;
         lua_pop(L, 1);
         lua_getfield(L, 1, "body");
         if (!lua_isnil(L, -1) && !lua_isstring(L, -1)) {delete param; return luaL_error(L, "bad field 'body' (string expected, got %s)", lua_typename(L, lua_type(L, -1)));}
-        else if (lua_isstring(L, -1)) param->postData = std::string(lua_tostring(L, -1), lua_objlen(L, -1));
+        else if (lua_isstring(L, -1)) param->postData = tostring(L, -1);
         lua_pop(L, 1);
         lua_getfield(L, 1, "method");
         if (!lua_isnil(L, -1) && !lua_isstring(L, -1)) {delete param; return luaL_error(L, "bad field 'method' (string expected, got %s)", lua_typename(L, lua_type(L, -1)));}
-        else if (lua_isstring(L, -1)) param->method = lua_tostring(L, -1);
+        else if (lua_isstring(L, -1)) param->method = tostring(L, -1);
         lua_pop(L, 1);
         lua_getfield(L, 1, "redirect");
+        param->redirect = true;
         if (!lua_isnil(L, -1) && !lua_isboolean(L, -1)) {delete param; return luaL_error(L, "bad field 'redirect' (boolean expected, got %s)", lua_typename(L, lua_type(L, -1)));}
         else if (lua_isboolean(L, -1)) param->redirect = lua_toboolean(L, -1);
         lua_pop(L, 1);
@@ -511,9 +525,10 @@ static int http_request(lua_State *L) {
         else param->timeout = 0;
         lua_pop(L, 1);
     } else {
-        param->url = lua_tostring(L, 1);
+        param->url = checkstring(L, 1);
         param->old_url = param->url;
-        if (lua_isstring(L, 2)) param->postData = std::string(lua_tostring(L, 2), lua_objlen(L, 2));
+        if (!lua_isnoneornil(L, 2)) param->postData = checkstring(L, 2);
+        else param->postData = "";
         if (lua_istable(L, 3)) {
             lua_pushvalue(L, 3);
             lua_pushnil(L);
@@ -525,7 +540,7 @@ static int http_request(lua_State *L) {
             }
             lua_pop(L, 1);
         }
-        if (lua_isstring(L, 5)) param->method = lua_tostring(L, 5);
+        param->method = luaL_optstring(L, 5, "");
         param->redirect = !lua_isboolean(L, 6) || lua_toboolean(L, 6);
         param->timeout = 0;
     }
@@ -1321,7 +1336,9 @@ static const char websocket_server_listen[] = "local _port, _isOpen = ...\n"
  */
 static int websocket_server_close(lua_State *L) {
     lastCFunction = __func__;
+    Computer * comp = get_comp(L);
     websocket_server::Factory * f = *(websocket_server::Factory**)lua_touserdata(L, lua_upvalueindex(1));
+    comp->openWebsocketServers.erase(f->srv->port());
     if (f == NULL) return 0;
     f->srv->stop();
     delete f->srv;
@@ -1337,7 +1354,9 @@ static int websocket_server_isOpen(lua_State *L) {
 
 static int websocket_server_free(lua_State *L) {
     lastCFunction = __func__;
+    Computer * comp = get_comp(L);
     websocket_server::Factory * f = *(websocket_server::Factory**)lua_touserdata(L, 1);
+    comp->openWebsocketServers.erase(f->srv->port());
     if (f == NULL) return 0;
     f->srv->stop();
     delete f->srv;
diff --git a/src/apis/http_emscripten.cpp b/src/apis/http_emscripten.cpp
index 4c5c4561..9cc4dc39 100644
--- a/src/apis/http_emscripten.cpp
+++ b/src/apis/http_emscripten.cpp
@@ -281,7 +281,7 @@ int http_checkURL(lua_State *L) {
     luaL_checkstring(L, 1);
     http_param_t * param = new http_param_t;
     param->comp = get_comp(L);
-    param->url = std::string(lua_tostring(L, 1), lua_objlen(L, 1));
+    param->url = tostring(L, 1);
     std::thread th(checkThread, param);
     setThreadName(th, "HTTP Check Thread");
     th.detach();
diff --git a/src/apis/os.cpp b/src/apis/os.cpp
index 693586ff..34e50810 100644
--- a/src/apis/os.cpp
+++ b/src/apis/os.cpp
@@ -26,7 +26,7 @@ static int os_getComputerLabel(lua_State *L) {
 static int os_setComputerLabel(lua_State *L) {
     lastCFunction = __func__;
     Computer * comp = get_comp(L);
-    comp->config->label = std::string(luaL_optstring(L, 1, ""), lua_isstring(L, 1) ? lua_objlen(L, 1) : 0);
+    comp->config->label = tostring(L, 1, "");
     if (comp->term != NULL) comp->term->setLabel(comp->config->label.empty() ? "CraftOS Terminal: " + std::string(comp->isDebugger ? "Debugger" : "Computer") + " " + std::to_string(comp->id) : "CraftOS Terminal: " + asciify(comp->config->label));
     return 0;
 }
@@ -34,7 +34,7 @@ static int os_setComputerLabel(lua_State *L) {
 static int os_queueEvent(lua_State *L) {
     lastCFunction = __func__;
     Computer * computer = get_comp(L);
-    const std::string name = std::string(luaL_checkstring(L, 1), lua_objlen(L, 1));
+    const std::string name = checkstring(L, 1);
     if (!lua_checkstack(computer->paramQueue, 1)) luaL_error(L, "Could not allocate space for event");
     lua_State *param = lua_newthread(computer->paramQueue);
     lua_remove(L, 1);
@@ -126,27 +126,30 @@ static Uint32 notifyEvent(Uint32 interval, void* param) {
 int os_startTimer(lua_State *L) {
     lastCFunction = __func__;
     Computer * computer = get_comp(L);
-    if (luaL_checknumber(L, 1) < 0.001 && !config.standardsMode) {
-        queueEvent(computer, [](lua_State *L, void*)->std::string {lua_pushinteger(L, 1); return "timer"; }, NULL);
-        lua_pushinteger(L, 1);
-        return 1;
-    }
     struct timer_data_t * data = new struct timer_data_t;
     data->comp = computer;
     data->lock = new std::mutex;
     data->isAlarm = false;
-    queueTask([L](void*a)->void* {
+    lua_Number _time = luaL_checknumber(L, 1);
+    if (_time < 0.001) _time = 0.001;
+    queueTask([_time](void*a)->void* {
         struct timer_data_t * data = (timer_data_t*)a;
-        Uint32 time = (Uint32)(lua_tonumber(L, 1) * 1000);
+        Uint32 time = (Uint32)(_time * 1000);
+        if (time == 0) time = 1;
         if (config.standardsMode) {
             if (time < 50) time = 50;
             else time = (Uint32)ceil(time / 50.0) * 50;
         }
         LockGuard lock(runningTimerData);
         data->timer = SDL_AddTimer(time, notifyEvent, data);
-        runningTimerData->insert(std::make_pair(data->timer, data));
+        if (data->timer) runningTimerData->insert(std::make_pair(data->timer, data));
         return NULL;
     }, data);
+    if (!data->timer) {
+        delete data->lock;
+        delete data;
+        return luaL_error(L, "Error occurred while creating timer: ", SDL_GetError());
+    }
     lua_pushinteger(L, data->timer);
     std::lock_guard<std::mutex> lock(computer->timerIDsMutex);
     computer->timerIDs.insert(data->timer);
diff --git a/src/apis/peripheral.cpp b/src/apis/peripheral.cpp
index 4a6ca7c0..4fc2e292 100644
--- a/src/apis/peripheral.cpp
+++ b/src/apis/peripheral.cpp
@@ -17,7 +17,7 @@ static int peripheral_isPresent(lua_State *L) {
     luaL_checkstring(L, 1);
     Computer * computer = get_comp(L);
     std::lock_guard<std::mutex> lock(computer->peripherals_mutex);
-    lua_pushboolean(L, computer->peripherals.find(std::string(lua_tostring(L, -1))) != computer->peripherals.end());
+    lua_pushboolean(L, computer->peripherals.find(tostring(L, -1)) != computer->peripherals.end());
     return 1;
 }
 
diff --git a/src/configuration.cpp b/src/configuration.cpp
index 1996fd92..ff3e198c 100644
--- a/src/configuration.cpp
+++ b/src/configuration.cpp
@@ -440,9 +440,13 @@ void config_save() {
     root["pluginData"] = pluginRoot;
     for (const auto& opt : unknownOptions) root[opt.first] = opt.second;
     std::ofstream out(getBasePath() / "config"/"global.json");
-    out << root;
-    out.close();
+    if (out.is_open()) {
+        out << root;
+        out.close();
 #ifdef __EMSCRIPTEN__
-    queueTask([](void*)->void* {syncfs(); return NULL; }, NULL, true);
+        queueTask([](void*)->void* {syncfs(); return NULL; }, NULL, true);
 #endif
+    } else {
+        showMessage("An error occurred while writing the global configuration file. The current session's config will not be saved.");
+    }
 }
diff --git a/src/main.cpp b/src/main.cpp
index e962e439..d4d018e1 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -266,6 +266,8 @@ static void update_thread() {
                 return;
             }
         }
+    } catch (Poco::Exception &e) {
+        fprintf(stderr, "Could not check for updates: %s\n", e.message().c_str());
     } catch (std::exception &e) {
         fprintf(stderr, "Could not check for updates: %s\n", e.what());
     }
@@ -546,8 +548,14 @@ int parseArguments(const std::vector<std::string>& argv) {
         else if (arg == "--assets-dir" || arg == "-a") setROMPath(path_t(argv[++i])/"assets"/"computercraft"/"lua");
         else if (arg.substr(0, 3) == "-a=") setROMPath(path_t(arg.substr(3))/"assets"/"computercraft"/"lua");
         else if (arg == "--mc-save") computerDir = getMCSavePath() / argv[++i] / "computer";
-        else if (arg == "-i" || arg == "--id") { manualID = true; id = std::stoi(argv[++i]); }
-        else if (arg == "--migrate") forceMigrate = true;
+        else if (arg == "-i" || arg == "--id") {
+            manualID = true;
+            try {id = std::stoi(argv[++i]);}
+            catch (std::out_of_range &e) {
+                std::cerr << "Error: Computer ID is out of range\n";
+                return 1;
+            }
+        } else if (arg == "--migrate") forceMigrate = true;
         else if (arg == "--mount" || arg == "--mount-ro" || arg == "--mount-rw") {
             std::string mount_path = argv[++i];
             if (mount_path.find('=') == std::string::npos) {
diff --git a/src/peripheral/chest.cpp b/src/peripheral/chest.cpp
index dde4a15d..5460e518 100644
--- a/src/peripheral/chest.cpp
+++ b/src/peripheral/chest.cpp
@@ -17,6 +17,7 @@ int chest::size() {
 
 void chest::getItemDetail(lua_State *L, int slot) {
     if (slot < 1 || slot > (isDouble ? 54 : 27)) {lua_pushnil(L); return;}
+    if (items[slot-1].count == 0) {lua_pushnil(L); return;}
     lua_createtable(L, 0, 2);
     lua_pushlstring(L, items[slot-1].name.c_str(), items[slot-1].name.size());
     lua_setfield(L, -2, "name");
diff --git a/src/peripheral/computer_p.cpp b/src/peripheral/computer_p.cpp
index 111fe06c..d8e6b5df 100644
--- a/src/peripheral/computer_p.cpp
+++ b/src/peripheral/computer_p.cpp
@@ -54,7 +54,7 @@ computer::computer(lua_State *L, const char * side) {
         throw std::runtime_error("Computers are not available when using the Linux framebuffer");
     if (strlen(side) < 10 || std::string(side).substr(0, 9) != "computer_" || (strlen(side) > 9 && !std::all_of(side + 9, side + strlen(side), ::isdigit))) 
         throw std::invalid_argument("\"side\" parameter must be a number (the computer's ID)");
-    int id = atoi(&side[9]);
+    int id = std::stoi(std::string(&side[9]));
     comp = NULL;
     {
         LockGuard lock(computers);
diff --git a/src/peripheral/debug_adapter.cpp b/src/peripheral/debug_adapter.cpp
index a71fe3fd..32c98e29 100644
--- a/src/peripheral/debug_adapter.cpp
+++ b/src/peripheral/debug_adapter.cpp
@@ -22,6 +22,7 @@ static void forwardInput();
 #endif
 
 static debug_adapter * stdio_debugger = NULL;
+static std::mutex stdio_debugger_lock;
 static std::thread * inputThread = NULL;
 
 static std::string dap_input(lua_State *L, void* arg) {
@@ -49,6 +50,7 @@ static void forwardInput() {
         }
         std::cerr << sz << "\n";
         for (int i = 0; i < sz; i++) data += std::cin.get();
+        std::lock_guard<std::mutex> lock(stdio_debugger_lock);
         if (stdio_debugger != NULL) {
             std::string * str = new std::string(data);
             queueEvent(stdio_debugger->monitor, dap_input, str);
diff --git a/src/peripheral/debugger.cpp b/src/peripheral/debugger.cpp
index 7ab8105c..a92c04e5 100644
--- a/src/peripheral/debugger.cpp
+++ b/src/peripheral/debugger.cpp
@@ -597,11 +597,12 @@ static int debugger_lib_catch(lua_State *L) {
     lastCFunction = __func__;
     lua_getfield(L, LUA_REGISTRYINDEX, "_debugger");
     debugger * dbg = (debugger*)lua_touserdata(L, -1);
-    if (std::string(lua_tostring(L, 1)) == "error") dbg->breakMask |= DEBUGGER_BREAK_FUNC_ERROR;
-    else if (std::string(lua_tostring(L, 1)) == "load") dbg->breakMask |= DEBUGGER_BREAK_FUNC_LOAD;
-    else if (std::string(lua_tostring(L, 1)) == "run") dbg->breakMask |= DEBUGGER_BREAK_FUNC_RUN;
-    else if (std::string(lua_tostring(L, 1)) == "resume") dbg->breakMask |= DEBUGGER_BREAK_FUNC_RESUME;
-    else if (std::string(lua_tostring(L, 1)) == "yield") dbg->breakMask |= DEBUGGER_BREAK_FUNC_YIELD;
+    std::string opt = tostring(L, 1);
+    if (opt == "error") dbg->breakMask |= DEBUGGER_BREAK_FUNC_ERROR;
+    else if (opt == "load") dbg->breakMask |= DEBUGGER_BREAK_FUNC_LOAD;
+    else if (opt == "run") dbg->breakMask |= DEBUGGER_BREAK_FUNC_RUN;
+    else if (opt == "resume") dbg->breakMask |= DEBUGGER_BREAK_FUNC_RESUME;
+    else if (opt == "yield") dbg->breakMask |= DEBUGGER_BREAK_FUNC_YIELD;
     return 0;
 }
 
@@ -609,11 +610,12 @@ static int debugger_lib_uncatch(lua_State *L) {
     lastCFunction = __func__;
     lua_getfield(L, LUA_REGISTRYINDEX, "_debugger");
     debugger * dbg = (debugger*)lua_touserdata(L, -1);
-    if (std::string(lua_tostring(L, 1)) == "error") dbg->breakMask &= ~DEBUGGER_BREAK_FUNC_ERROR;
-    else if (std::string(lua_tostring(L, 1)) == "load") dbg->breakMask &= ~DEBUGGER_BREAK_FUNC_LOAD;
-    else if (std::string(lua_tostring(L, 1)) == "run") dbg->breakMask &= ~DEBUGGER_BREAK_FUNC_RUN;
-    else if (std::string(lua_tostring(L, 1)) == "resume") dbg->breakMask &= ~DEBUGGER_BREAK_FUNC_RESUME;
-    else if (std::string(lua_tostring(L, 1)) == "yield") dbg->breakMask &= ~DEBUGGER_BREAK_FUNC_YIELD;
+    std::string opt = tostring(L, 1);
+    if (opt == "error") dbg->breakMask &= ~DEBUGGER_BREAK_FUNC_ERROR;
+    else if (opt == "load") dbg->breakMask &= ~DEBUGGER_BREAK_FUNC_LOAD;
+    else if (opt == "run") dbg->breakMask &= ~DEBUGGER_BREAK_FUNC_RUN;
+    else if (opt == "resume") dbg->breakMask &= ~DEBUGGER_BREAK_FUNC_RESUME;
+    else if (opt == "yield") dbg->breakMask &= ~DEBUGGER_BREAK_FUNC_YIELD;
     return 0;
 }
 
diff --git a/src/peripheral/drive.cpp b/src/peripheral/drive.cpp
index f5889a2f..bdccccfc 100644
--- a/src/peripheral/drive.cpp
+++ b/src/peripheral/drive.cpp
@@ -90,6 +90,16 @@ int drive::stopAudio(lua_State *L) {
     return 0;
 }
 
+static const char * disk_event(lua_State *L, void* arg) {
+    lua_pushstring(L, (const char*)arg);
+    return "disk";
+}
+
+static const char * disk_eject(lua_State *L, void* arg) {
+    lua_pushstring(L, (const char*)arg);
+    return "disk_eject";
+}
+
 int drive::ejectDisk(lua_State *L) {
     lastCFunction = __func__;
     if (diskType == disk_type::DISK_TYPE_NONE) return 0;
@@ -108,6 +118,7 @@ int drive::ejectDisk(lua_State *L) {
             }
         }
     }
+    queueEvent(get_comp(L), disk_eject, (void*)side.c_str());
     diskType = disk_type::DISK_TYPE_NONE;
     return 0;
 }
@@ -226,6 +237,7 @@ int drive::insertDisk(lua_State *L, bool init) {
         if (init) throw std::invalid_argument("bad argument (expected string or number)");
         else luaL_error(L, "bad argument #%d (expected string or number, got %s)", arg, lua_typename(L, lua_type(L, arg)));
     }
+    queueEvent(comp, disk_event, (void*)side.c_str());
     return 0;
     // This dirty hack is because Windows randomly attempts to deallocate a std::wstring
     // in the stack that doesn't exist. (???) The only way to fix it is to make it jump
@@ -255,6 +267,7 @@ void driveQuit() {
 
 drive::drive(lua_State *L, const char * side) {
     if (lua_isstring(L, 3) || lua_isnumber(L, 3)) insertDisk(L, true);
+    this->side = side;
 }
 
 drive::~drive() { 
diff --git a/src/peripheral/drive.hpp b/src/peripheral/drive.hpp
index 2ad93e72..25724814 100644
--- a/src/peripheral/drive.hpp
+++ b/src/peripheral/drive.hpp
@@ -35,6 +35,7 @@ class drive: public peripheral {
     void* music = NULL;
 #endif
     int id = 0;
+    std::string side;
     int isDiskPresent(lua_State *L);
     int getDiskLabel(lua_State *L);
     int setDiskLabel(lua_State *L);
diff --git a/src/peripheral/printer.cpp b/src/peripheral/printer.cpp
index 8a542026..7d8d2396 100644
--- a/src/peripheral/printer.cpp
+++ b/src/peripheral/printer.cpp
@@ -268,7 +268,7 @@ int printer::getInkLevel(lua_State *L) {
 
 int printer::setPageTitle(lua_State *L) {
     lastCFunction = __func__;
-    title = std::string(luaL_checkstring(L, 1), lua_objlen(L, 1));
+    title = checkstring(L, 1);
     return 0;
 }
 
diff --git a/src/peripheral/speaker.cpp b/src/peripheral/speaker.cpp
index 4b4f1820..6a7e32d4 100644
--- a/src/peripheral/speaker.cpp
+++ b/src/peripheral/speaker.cpp
@@ -807,6 +807,9 @@ speaker::speaker(lua_State *L, const char * side) {
         Mix_GroupChannel(next, channelGroup);
     }
     Mix_RegisterEffect(audioChannel, audioEffect, NULL, this);
+    Computer * comp = this->comp;
+    const char * _side = this->side.c_str();
+    channelFinishCallbacks[audioChannel] = [comp, _side](int c){queueEvent(comp, speaker_audio_empty, (void*)_side);};
     Mix_PlayChannel(audioChannel, empty_chunk, -1);
 }
 
diff --git a/src/platform/CraftOS-PC 2.rc b/src/platform/CraftOS-PC 2.rc
index f37e1299..da3f0cc2 100644
--- a/src/platform/CraftOS-PC 2.rc	
+++ b/src/platform/CraftOS-PC 2.rc	
@@ -60,8 +60,8 @@ MANIFEST                RT_MANIFEST             "..\\..\\resources\\CraftOS-PC.e
 //
 
 VS_VERSION_INFO VERSIONINFO
- FILEVERSION 2,8,0,0
- PRODUCTVERSION 2,8,0,0
+ FILEVERSION 2,8,2,0
+ PRODUCTVERSION 2,8,2,0
  FILEFLAGSMASK 0x3fL
 #ifdef _DEBUG
  FILEFLAGS 0x1L
@@ -77,12 +77,12 @@ BEGIN
         BLOCK "040904b0"
         BEGIN
             VALUE "FileDescription", "CraftOS-PC Accelerated"
-            VALUE "FileVersion", "2.8.0.0"
+            VALUE "FileVersion", "2.8.2.0"
             VALUE "InternalName", "CraftOS-PC.exe"
             VALUE "LegalCopyright", "Copyright (C) 2019-2024 JackMacWindows."
             VALUE "OriginalFilename", "CraftOS-PC.exe"
             VALUE "ProductName", "CraftOS-PC Accelerated"
-            VALUE "ProductVersion", "2.8.0.0"
+            VALUE "ProductVersion", "2.8.2.0"
         END
     END
     BLOCK "VarFileInfo"
diff --git a/src/platform/linux.cpp b/src/platform/linux.cpp
index 49f610e0..83431702 100644
--- a/src/platform/linux.cpp
+++ b/src/platform/linux.cpp
@@ -38,6 +38,9 @@ extern "C" {
 #include <webp/mux.h>
 #include <webp/encode.h>
 #endif
+#ifndef __USE_GNU
+#include <execinfo.h>
+#endif
 #include "../platform.hpp"
 #include "../util.hpp"
 
@@ -656,4 +659,4 @@ void unblockInput() {
     close(STDIN_FILENO);
 }
 
-#endif // __INTELLISENSE__
\ No newline at end of file
+#endif // __INTELLISENSE__
diff --git a/src/runtime.cpp b/src/runtime.cpp
index 0b8ee16d..92fd6a5e 100644
--- a/src/runtime.cpp
+++ b/src/runtime.cpp
@@ -197,6 +197,7 @@ int getNextEvent(lua_State *L, const std::string& filter) {
     std::string ev;
     computer->getting_event = true;
     lua_State *param;
+    if (computer->eventQueue.size() > QUEUE_LIMIT) fprintf(stderr, "Warning: Queue overflow on computer %d!\n", computer->id);
     do {
         if (!lua_checkstack(computer->paramQueue, 1)) luaL_error(L, "Could not allocate space for event");
         param = lua_newthread(computer->paramQueue);
@@ -372,7 +373,7 @@ bool addVirtualMount(Computer * comp, const FileEntry& vfs, const std::string& c
             else if (!std::isdigit(c)) {end = -1; break;}
             end++;
         }
-        if (end > 0 && std::get<0>(v) == pathc && *comp->virtualMounts[std::stoi(path.native().substr(0, end))] == vfs) return false;
+        if (end > 0 && std::get<0>(v) == pathc && comp->virtualMounts[std::stoi(path.native().substr(0, end))] != NULL && *comp->virtualMounts[std::stoi(path.native().substr(0, end))] == vfs) return false;
     }
     comp->virtualMounts[idx] = &vfs;
     comp->mounts.push_back(std::make_tuple(std::list<std::string>(pathc), path_t(std::to_string(idx) + ":", path_t::format::generic_format), true));
diff --git a/src/terminal/RawTerminal.cpp b/src/terminal/RawTerminal.cpp
index f3523d71..2c148ea9 100644
--- a/src/terminal/RawTerminal.cpp
+++ b/src/terminal/RawTerminal.cpp
@@ -724,7 +724,7 @@ static void rawInputLoop() {
                             lua_getfield(comp->rawFileStack, -1, "readAll");
                             lua_call(comp->rawFileStack, 0, 1);
                             if (lua_isnil(comp->rawFileStack, -1)) data = ""; // shouldn't happen
-                            else data = std::string(lua_tostring(comp->rawFileStack, -1), lua_objlen(comp->rawFileStack, -1));
+                            else data = tostring(comp->rawFileStack, -1);
                             lua_pop(comp->rawFileStack, 1);
                             lua_getfield(comp->rawFileStack, -1, "close");
                             lua_call(comp->rawFileStack, 0, 0);
diff --git a/src/termsupport.cpp b/src/termsupport.cpp
index a8c6abbb..222dee1d 100644
--- a/src/termsupport.cpp
+++ b/src/termsupport.cpp
@@ -402,7 +402,7 @@ static void noDebuggerBreak(lua_State *L, Computer * computer, lua_Debug * ar) {
     int status = lua_resume(coro, 2);
     int narg;
     while (status == LUA_YIELD) {
-        if (lua_isstring(coro, -1)) narg = getNextEvent(coro, std::string(lua_tostring(coro, -1), lua_objlen(coro, -1)));
+        if (lua_isstring(coro, -1)) narg = getNextEvent(coro, tostring(coro, -1));
         else narg = getNextEvent(coro, "");
         status = lua_resume(coro, narg);
     }
diff --git a/src/util.hpp b/src/util.hpp
index ad6ae7e3..31d402fb 100644
--- a/src/util.hpp
+++ b/src/util.hpp
@@ -26,8 +26,8 @@ extern "C" {
 #include <Computer.hpp>
 #include <Terminal.hpp>
 
-#define CRAFTOSPC_VERSION    "v2.8-luajit"
-#define CRAFTOSPC_CC_VERSION "1.109.2"
+#define CRAFTOSPC_VERSION    "v2.8.2-luajit"
+#define CRAFTOSPC_CC_VERSION "1.110.2"
 #define CRAFTOSPC_INDEV      false
 
 using path_t = std::filesystem::path;