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configure.ac
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dnl
dnl Configure script for bash-5.2
dnl
dnl report bugs to [email protected]
dnl
dnl Process this file with autoconf to produce a configure script.
# Copyright (C) 1987-2022 Free Software Foundation, Inc.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
AC_REVISION([for Bash 5.2, version 5.046])dnl
define(bashvers, 5.2)
define(relstatus, release)
AC_INIT([bash], bashvers-relstatus, [[email protected]])
dnl make sure we are using a recent autoconf version
AC_PREREQ(2.69)
AC_CONFIG_SRCDIR(shell.h)
dnl where to find install.sh, config.sub, and config.guess
AC_CONFIG_AUX_DIR(./support)
AC_CONFIG_HEADERS(config.h)
dnl checks for version info
BASHVERS=bashvers
RELSTATUS=relstatus
dnl defaults for debug settings
case "$RELSTATUS" in
alp*|bet*|dev*|rc*|releng*|maint*) DEBUG='-DDEBUG' MALLOC_DEBUG='-DMALLOC_DEBUG' ;;
*) DEBUG= MALLOC_DEBUG= ;;
esac
dnl canonicalize the host and os so we can do some tricky things before
dnl parsing options
AC_CANONICAL_HOST
AC_CANONICAL_BUILD
dnl configure defaults
opt_bash_malloc=yes
opt_afs=no
opt_curses=no
opt_with_installed_readline=no
#htmldir=
dnl some systems should be configured without the bash malloc by default
dnl and some need a special compiler or loader
dnl look in the NOTES file for more
case "${host_cpu}-${host_os}" in
# mostly obsolete platforms
alpha*-*) opt_bash_malloc=no ;; # alpha running osf/1 or linux
*[[Cc]]ray*-*) opt_bash_malloc=no ;; # Crays
*-osf1*) opt_bash_malloc=no ;; # other osf/1 machines
*-dgux*) opt_bash_malloc=no ;; # DG/UX machines
sparc-svr4*) opt_bash_malloc=no ;; # sparc SVR4, SVR4.2
m68k-sysv) opt_bash_malloc=no ;; # fixes file descriptor leak in closedir
*-bsdi2.1|*-bsdi3.?) opt_bash_malloc=no ; : ${CC:=shlicc2} ;; # for loadable builtins
*-opennt*|*-interix*) opt_bash_malloc=no ;; # Interix, now owned by Microsoft
*-beos*) opt_bash_malloc=no ;; # they say it's suitable
# These need additional investigation
sparc-linux*) opt_bash_malloc=no ;; # sparc running linux; requires ELF
*-aix*) opt_bash_malloc=no ;; # AIX machines
*-cygwin*) opt_bash_malloc=no ;; # Cygnus's CYGWIN environment
# These lack a working sbrk(2)
aarch64-freebsd*) opt_bash_malloc=no ;;
riscv*-freebsd*) opt_bash_malloc=no ;;
# Mach-derived systems have a ton of extra malloc functions and lack sbrk(2)
*-nextstep*) opt_bash_malloc=no ;; # NeXT machines running NeXTstep
*-openstep*) opt_bash_malloc=no ;; # i386/Sparc/HP machines running Openstep
*-macos*) opt_bash_malloc=no ;; # Apple MacOS X
*-rhapsody*) opt_bash_malloc=no ;; # Apple Rhapsody (MacOS X)
*-darwin*) opt_bash_malloc=no ;; # Apple Darwin (MacOS X)
*-machten4) opt_bash_malloc=no ;; # MachTen 4.x
# Niche or non-mainstream-shell-user systems
*-qnx*) opt_bash_malloc=no ;; # QNX 4.2, QNX [67].x
*-nsk*) opt_bash_malloc=no ;; # HP NonStop
*-haiku*) opt_bash_malloc=no ;; # Haiku OS
*-genode*) opt_bash_malloc=no ;; # Genode has no sbrk
esac
# memory scrambling on free()
case "${host_os}" in
sco3.2v5*|sco3.2v4*) opt_memscramble=no ;;
*) opt_memscramble=yes ;;
esac
dnl
dnl macros for the bash debugger
dnl
dnl AM_PATH_LISPDIR
AC_ARG_VAR(DEBUGGER_START_FILE, [location of bash debugger initialization file])
dnl arguments to configure
dnl packages
AC_ARG_WITH(afs, AS_HELP_STRING([--with-afs], [if you are running AFS]), opt_afs=$withval)
AC_ARG_WITH(bash-malloc, AS_HELP_STRING([--with-bash-malloc], [use the Bash version of malloc]), opt_bash_malloc=$withval)
AC_ARG_WITH(curses, AS_HELP_STRING([--with-curses], [use the curses library instead of the termcap library]), opt_curses=$withval)
AC_ARG_WITH(gnu-malloc, AS_HELP_STRING([--with-gnu-malloc], [synonym for --with-bash-malloc]), opt_bash_malloc=$withval)
AC_ARG_WITH(installed-readline, AS_HELP_STRING([--with-installed-readline], [use a version of the readline library that is already installed]), opt_with_installed_readline=$withval)
if test "$opt_bash_malloc" = yes; then
MALLOC_TARGET=malloc
MALLOC_SRC=malloc.c
MALLOC_LIB='-lmalloc'
MALLOC_LIBRARY='$(ALLOC_LIBDIR)/libmalloc.a'
MALLOC_LDFLAGS='-L$(ALLOC_LIBDIR)'
MALLOC_DEP='$(MALLOC_LIBRARY)'
AC_DEFINE(USING_BASH_MALLOC)
else
MALLOC_LIB=
MALLOC_LIBRARY=
MALLOC_LDFLAGS=
MALLOC_DEP=
fi
if test "$opt_afs" = yes; then
AC_DEFINE(AFS)
fi
if test "$opt_curses" = yes; then
prefer_curses=yes
fi
if test -z "${DEBUGGER_START_FILE}"; then
DEBUGGER_START_FILE='${datadir}/bashdb/bashdb-main.inc'
fi
dnl optional shell features in config.h.in
opt_minimal_config=no
opt_job_control=yes
opt_alias=yes
opt_readline=yes
opt_history=yes
opt_bang_history=yes
opt_dirstack=yes
opt_restricted=yes
opt_process_subst=yes
opt_prompt_decoding=yes
opt_select=yes
opt_help=yes
opt_array_variables=yes
opt_dparen_arith=yes
opt_extended_glob=yes
opt_brace_expansion=yes
opt_disabled_builtins=no
opt_command_timing=yes
opt_xpg_echo=no
opt_strict_posix=no
opt_cond_command=yes
opt_cond_regexp=yes
opt_coproc=yes
opt_arith_for_command=yes
opt_net_redirs=yes
opt_progcomp=yes
opt_separate_help=no
opt_multibyte=yes
opt_debugger=yes
opt_single_longdoc_strings=yes
opt_casemod_attrs=yes
opt_casemod_expansions=yes
opt_extglob_default=no
opt_dircomplete_expand_default=no
opt_globascii_default=yes
opt_function_import=yes
opt_dev_fd_stat_broken=no
opt_alt_array_impl=no
opt_translatable_strings=yes
dnl modified by alternate array implementation option
ARRAY_O=array.o
dnl options that affect how bash is compiled and linked
opt_static_link=no
opt_profiling=no
dnl argument parsing for optional features
AC_ARG_ENABLE(minimal-config, AS_HELP_STRING([--enable-minimal-config], [a minimal sh-like configuration]), opt_minimal_config=$enableval)
dnl a minimal configuration turns everything off, but features can be
dnl added individually
if test $opt_minimal_config = yes; then
opt_job_control=no opt_alias=no opt_readline=no
opt_history=no opt_bang_history=no opt_dirstack=no
opt_restricted=no opt_process_subst=no opt_prompt_decoding=no
opt_select=no opt_help=no opt_array_variables=no opt_dparen_arith=no
opt_brace_expansion=no opt_disabled_builtins=no opt_command_timing=no
opt_extended_glob=no opt_cond_command=no opt_arith_for_command=no
opt_net_redirs=no opt_progcomp=no opt_separate_help=no
opt_multibyte=yes opt_cond_regexp=no opt_coproc=no
opt_casemod_attrs=no opt_casemod_expansions=no opt_extglob_default=no
opt_translatable_strings=no
opt_globascii_default=yes
fi
AC_ARG_ENABLE(alias, AS_HELP_STRING([--enable-alias], [enable shell aliases]), opt_alias=$enableval)
AC_ARG_ENABLE(alt-array-implementation, AS_HELP_STRING([--enable-alt-array-implementation], [enable an alternate array implementation that optimizes speed at the cost of space]), opt_alt_array_impl=$enableval)
AC_ARG_ENABLE(arith-for-command, AS_HELP_STRING([--enable-arith-for-command], [enable arithmetic for command]), opt_arith_for_command=$enableval)
AC_ARG_ENABLE(array-variables, AS_HELP_STRING([--enable-array-variables], [include shell array variables]), opt_array_variables=$enableval)
AC_ARG_ENABLE(bang-history, AS_HELP_STRING([--enable-bang-history], [turn on csh-style history substitution]), opt_bang_history=$enableval)
AC_ARG_ENABLE(brace-expansion, AS_HELP_STRING([--enable-brace-expansion], [include brace expansion]), opt_brace_expansion=$enableval)
AC_ARG_ENABLE(casemod-attributes, AS_HELP_STRING([--enable-casemod-attributes], [include case-modifying variable attributes]), opt_casemod_attrs=$enableval)
AC_ARG_ENABLE(casemod-expansions, AS_HELP_STRING([--enable-casemod-expansions], [include case-modifying word expansions]), opt_casemod_expansions=$enableval)
AC_ARG_ENABLE(command-timing, AS_HELP_STRING([--enable-command-timing], [enable the time reserved word and command timing]), opt_command_timing=$enableval)
AC_ARG_ENABLE(cond-command, AS_HELP_STRING([--enable-cond-command], [enable the conditional command]), opt_cond_command=$enableval)
AC_ARG_ENABLE(cond-regexp, AS_HELP_STRING([--enable-cond-regexp], [enable extended regular expression matching in conditional commands]), opt_cond_regexp=$enableval)
AC_ARG_ENABLE(coprocesses, AS_HELP_STRING([--enable-coprocesses], [enable coprocess support and the coproc reserved word]), opt_coproc=$enableval)
AC_ARG_ENABLE(debugger, AS_HELP_STRING([--enable-debugger], [enable support for bash debugger]), opt_debugger=$enableval)
AC_ARG_ENABLE(dev-fd-stat-broken, AS_HELP_STRING([--enable-dev-fd-stat-broken], [enable this option if stat on /dev/fd/N and fstat on file descriptor N don't return the same results]), opt_dev_fd_stat_broken=$enableval)
AC_ARG_ENABLE(direxpand-default, AS_HELP_STRING([--enable-direxpand-default], [enable the direxpand shell option by default]), opt_dircomplete_expand_default=$enableval)
AC_ARG_ENABLE(directory-stack, AS_HELP_STRING([--enable-directory-stack], [enable builtins pushd/popd/dirs]), opt_dirstack=$enableval)
AC_ARG_ENABLE(disabled-builtins, AS_HELP_STRING([--enable-disabled-builtins], [allow disabled builtins to still be invoked]), opt_disabled_builtins=$enableval)
AC_ARG_ENABLE(dparen-arithmetic, AS_HELP_STRING([--enable-dparen-arithmetic], [include ((...)) command]), opt_dparen_arith=$enableval)
AC_ARG_ENABLE(extended-glob, AS_HELP_STRING([--enable-extended-glob], [include ksh-style extended pattern matching]), opt_extended_glob=$enableval)
AC_ARG_ENABLE(extended-glob-default, AS_HELP_STRING([--enable-extended-glob-default], [force extended pattern matching to be enabled by default]), opt_extglob_default=$enableval)
AC_ARG_ENABLE(function-import, AS_HELP_STRING([--enable-function-import], [allow bash to import exported function definitions by default]), opt_function_import=$enableval)
AC_ARG_ENABLE(glob-asciiranges-default, AS_HELP_STRING([--enable-glob-asciiranges-default], [force bracket range expressions in pattern matching to use the C locale by default]), opt_globascii_default=$enableval)
AC_ARG_ENABLE(help-builtin, AS_HELP_STRING([--enable-help-builtin], [include the help builtin]), opt_help=$enableval)
AC_ARG_ENABLE(history, AS_HELP_STRING([--enable-history], [turn on command history]), opt_history=$enableval)
AC_ARG_ENABLE(job-control, AS_HELP_STRING([--enable-job-control], [enable job control features]), opt_job_control=$enableval)
AC_ARG_ENABLE(multibyte, AS_HELP_STRING([--enable-multibyte], [enable multibyte characters if OS supports them]), opt_multibyte=$enableval)
AC_ARG_ENABLE(net-redirections, AS_HELP_STRING([--enable-net-redirections], [enable /dev/tcp/host/port redirection]), opt_net_redirs=$enableval)
AC_ARG_ENABLE(process-substitution, AS_HELP_STRING([--enable-process-substitution], [enable process substitution]), opt_process_subst=$enableval)
AC_ARG_ENABLE(progcomp, AS_HELP_STRING([--enable-progcomp], [enable programmable completion and the complete builtin]), opt_progcomp=$enableval)
AC_ARG_ENABLE(prompt-string-decoding, AS_HELP_STRING([--enable-prompt-string-decoding], [turn on escape character decoding in prompts]), opt_prompt_decoding=$enableval)
AC_ARG_ENABLE(readline, AS_HELP_STRING([--enable-readline], [turn on command line editing]), opt_readline=$enableval)
AC_ARG_ENABLE(restricted, AS_HELP_STRING([--enable-restricted], [enable a restricted shell]), opt_restricted=$enableval)
AC_ARG_ENABLE(select, AS_HELP_STRING([--enable-select], [include select command]), opt_select=$enableval)
AC_ARG_ENABLE(separate-helpfiles, AS_HELP_STRING([--enable-separate-helpfiles], [use external files for help builtin documentation]), opt_separate_help=$enableval)
AC_ARG_ENABLE(single-help-strings, AS_HELP_STRING([--enable-single-help-strings], [store help documentation as a single string to ease translation]), opt_single_longdoc_strings=$enableval)
AC_ARG_ENABLE(strict-posix-default, AS_HELP_STRING([--enable-strict-posix-default], [configure bash to be posix-conformant by default]), opt_strict_posix=$enableval)
AC_ARG_ENABLE(translatable-strings, AS_HELP_STRING([--enable-translatable-strings], [include support for $"..." translatable strings]), opt_translatable_strings=$enableval)
AC_ARG_ENABLE(usg-echo-default, AS_HELP_STRING([--enable-usg-echo-default], [a synonym for --enable-xpg-echo-default]), opt_xpg_echo=$enableval)
AC_ARG_ENABLE(xpg-echo-default, AS_HELP_STRING([--enable-xpg-echo-default], [make the echo builtin expand escape sequences by default]), opt_xpg_echo=$enableval)
dnl options that alter how bash is compiled and linked
AC_ARG_ENABLE(mem-scramble, AS_HELP_STRING([--enable-mem-scramble], [scramble memory on calls to malloc and free]), opt_memscramble=$enableval)
AC_ARG_ENABLE(profiling, AS_HELP_STRING([--enable-profiling], [allow profiling with gprof]), opt_profiling=$enableval)
AC_ARG_ENABLE(static-link, AS_HELP_STRING([--enable-static-link], [link bash statically, for use as a root shell]), opt_static_link=$enableval)
dnl So-called `precious' variables
AC_ARG_VAR([CC_FOR_BUILD], [C compiler used when compiling binaries used only at build time])
AC_ARG_VAR([CFLAGS_FOR_BUILD], [Compilation options (CFLAGS) used when compiling binaries used only at build time])
AC_ARG_VAR([LDFLAGS_FOR_BUILD], [Linker options (LDFLAGS) used when compiling binaries used only at build time])
AC_ARG_VAR([CPPFLAGS_FOR_BUILD], [C preprocessor options (CPPFLAGS) used when compiling binaries used only at build time])
dnl opt_job_control is handled later, after BASH_JOB_CONTROL_MISSING runs
dnl opt_readline and opt_history are handled later, because AC_PROG_CC needs
dnl to be run before we can check the version of an already-installed readline
dnl library
if test $opt_alias = yes; then
AC_DEFINE(ALIAS)
fi
if test $opt_dirstack = yes; then
AC_DEFINE(PUSHD_AND_POPD)
fi
if test $opt_restricted = yes; then
AC_DEFINE(RESTRICTED_SHELL)
fi
if test $opt_process_subst = yes; then
AC_DEFINE(PROCESS_SUBSTITUTION)
fi
if test $opt_prompt_decoding = yes; then
AC_DEFINE(PROMPT_STRING_DECODE)
fi
if test $opt_select = yes; then
AC_DEFINE(SELECT_COMMAND)
fi
if test $opt_help = yes; then
AC_DEFINE(HELP_BUILTIN)
fi
if test $opt_array_variables = yes; then
AC_DEFINE(ARRAY_VARS)
fi
if test $opt_dparen_arith = yes; then
AC_DEFINE(DPAREN_ARITHMETIC)
fi
if test $opt_brace_expansion = yes; then
AC_DEFINE(BRACE_EXPANSION)
fi
if test $opt_disabled_builtins = yes; then
AC_DEFINE(DISABLED_BUILTINS)
fi
if test $opt_command_timing = yes; then
AC_DEFINE(COMMAND_TIMING)
fi
if test $opt_xpg_echo = yes ; then
AC_DEFINE(DEFAULT_ECHO_TO_XPG)
fi
if test $opt_strict_posix = yes; then
AC_DEFINE(STRICT_POSIX)
fi
if test $opt_extended_glob = yes ; then
AC_DEFINE(EXTENDED_GLOB)
fi
if test $opt_extglob_default = yes; then
AC_DEFINE(EXTGLOB_DEFAULT, 1)
else
AC_DEFINE(EXTGLOB_DEFAULT, 0)
fi
if test $opt_cond_command = yes ; then
AC_DEFINE(COND_COMMAND)
fi
if test $opt_cond_regexp = yes ; then
AC_DEFINE(COND_REGEXP)
fi
if test $opt_coproc = yes; then
AC_DEFINE(COPROCESS_SUPPORT)
fi
if test $opt_arith_for_command = yes; then
AC_DEFINE(ARITH_FOR_COMMAND)
fi
if test $opt_net_redirs = yes; then
AC_DEFINE(NETWORK_REDIRECTIONS)
fi
if test $opt_progcomp = yes; then
AC_DEFINE(PROGRAMMABLE_COMPLETION)
fi
if test $opt_multibyte = no; then
AC_DEFINE(NO_MULTIBYTE_SUPPORT)
fi
if test $opt_debugger = yes; then
AC_DEFINE(DEBUGGER)
fi
if test $opt_casemod_attrs = yes; then
AC_DEFINE(CASEMOD_ATTRS)
fi
if test $opt_casemod_expansions = yes; then
AC_DEFINE(CASEMOD_EXPANSIONS)
fi
if test $opt_dircomplete_expand_default = yes; then
AC_DEFINE(DIRCOMPLETE_EXPAND_DEFAULT)
fi
if test $opt_globascii_default = yes; then
AC_DEFINE(GLOBASCII_DEFAULT, 1)
else
AC_DEFINE(GLOBASCII_DEFAULT, 0)
fi
if test $opt_function_import = yes; then
AC_DEFINE(FUNCTION_IMPORT)
fi
if test $opt_dev_fd_stat_broken = yes; then
AC_DEFINE(DEV_FD_STAT_BROKEN)
fi
if test $opt_alt_array_impl = yes; then
AC_DEFINE(ALT_ARRAY_IMPLEMENTATION)
ARRAY_O=array2.o
fi
if test $opt_translatable_strings = yes; then
AC_DEFINE(TRANSLATABLE_STRINGS)
fi
if test $opt_memscramble = yes; then
AC_DEFINE(MEMSCRAMBLE)
fi
if test "$opt_minimal_config" = yes; then
TESTSCRIPT=run-minimal
else
TESTSCRIPT=run-all
fi
HELPDIR= HELPDIRDEFINE= HELPINSTALL= HELPFILES_TARGET=
if test "$opt_separate_help" != no; then
if test "$opt_separate_help" = "yes" ; then
HELPDIR='${datadir}/bash/helpfiles'
else
HELPDIR=$opt_separate_help
fi
HELPDIRDEFINE='-H ${HELPDIR}'
HELPINSTALL='install-help'
HELPFILES_TARGET='helpdoc'
fi
HELPSTRINGS=
if test "$opt_single_longdoc_strings" != "yes"; then
HELPSTRINGS='-S'
fi
dnl now substitute in the values generated by arguments
AC_SUBST(TESTSCRIPT)
AC_SUBST(MALLOC_TARGET)
AC_SUBST(MALLOC_SRC)
AC_SUBST(MALLOC_LIB)
AC_SUBST(MALLOC_LIBRARY)
AC_SUBST(MALLOC_LDFLAGS)
AC_SUBST(MALLOC_DEP)
AC_SUBST(ARRAY_O)
AC_SUBST(htmldir)
AC_SUBST(HELPDIR)
AC_SUBST(HELPDIRDEFINE)
AC_SUBST(HELPINSTALL)
AC_SUBST(HELPFILES_TARGET)
AC_SUBST(HELPSTRINGS)
dnl We want these before the checks, so the checks can modify their values.
if test -z "$CFLAGS"; then
want_auto_cflags=1
fi
echo ""
echo "Beginning configuration for bash-$BASHVERS-$RELSTATUS for ${host_cpu}-${host_vendor}-${host_os}"
echo ""
dnl compilation checks
dnl AC_PROG_CC sets $cross_compiling to `yes' if cross-compiling for a
dnl different environment
AC_PROG_CC
if test -n "$want_auto_cflags"; then
AUTO_CFLAGS="-g ${GCC:+-O2}"
AUTO_LDFLAGS="-g ${GCC:+-O2}"
# STYLE_CFLAGS="${GCC:+-Wno-parentheses} ${GCC:+-Wno-format-security} ${GCC:+-Wno-tautological-constant-out-of-range-compare}"
STYLE_CFLAGS="${GCC:+-Wno-parentheses} ${GCC:+-Wno-format-security}"
else
AUTO_CFLAGS= AUTO_LDFLAGS= STYLE_CFLAGS=
fi
dnl test for Unix variants
AC_USE_SYSTEM_EXTENSIONS
AC_SYS_LARGEFILE
dnl BEGIN changes for cross-building (currently cygwin, minGW, and
dnl (obsolete) BeOS)
SIGNAMES_O=
SIGNAMES_H=lsignames.h
dnl load up the cross-building cache file -- add more cases and cache
dnl files as necessary
dnl Note that host and target machine are the same, and different than the
dnl build machine.
dnl Set SIGNAMES_H based on whether or not we're cross-compiling.
CROSS_COMPILE=
if test "x$cross_compiling" = "xyes"; then
case "${host}" in
*-cygwin*)
cross_cache=${srcdir}/cross-build/cygwin32.cache
;;
*-mingw*)
cross_cache=${srcdir}/cross-build/cygwin32.cache
;;
i[[3456]]86-*-beos*)
cross_cache=${srcdir}/cross-build/x86-beos.cache
;;
*-qnx*)
cross_cache=${srcdir}/cross-build/qnx.cache
;;
*) echo "configure: cross-compiling for $host is not supported" >&2
;;
esac
if test -n "${cross_cache}" && test -r "${cross_cache}"; then
echo "loading cross-build cache file ${cross_cache}"
. ${cross_cache}
fi
unset cross_cache
SIGNAMES_O='signames.o'
CROSS_COMPILE='-DCROSS_COMPILING'
AC_SUBST(CROSS_COMPILE)
fi
AC_SUBST(SIGNAMES_H)
AC_SUBST(SIGNAMES_O)
dnl END changes for cross-building
dnl default values
CFLAGS=${CFLAGS-"$AUTO_CFLAGS"}
# LDFLAGS=${LDFLAGS="$AUTO_LDFLAGS"} # XXX
dnl handle options that alter how bash is compiled and linked
dnl these must come after the test for cc/gcc
if test "$opt_profiling" = "yes"; then
PROFILE_FLAGS=-pg
case "$host_os" in
solaris2*|linux*|darwin*) ;;
*) opt_static_link=yes ;;
esac
DEBUG= MALLOC_DEBUG=
fi
prefer_shared=yes
prefer_static=no
if test "$opt_static_link" = yes; then
prefer_static=yes
prefer_shared=no
# if we're using gcc, add `-static' to LDFLAGS, except on Solaris >= 2
if test "$GCC" = "yes"; then
STATIC_LD="-static"
case "$host_os" in
solaris2*|linux*) ;;
*) LDFLAGS="$LDFLAGS -static" ;; # XXX experimental
esac
fi
fi
# set the appropriate make variables for building the "build tools"
# modify defaults based on whether or not we are cross compiling, since the
# options for the target host may not be appropriate for the build host
if test "X$cross_compiling" = "Xno"; then
CC_FOR_BUILD=${CC_FOR_BUILD-'$(CC)'}
CPPFLAGS_FOR_BUILD=${CPPFLAGS_FOR_BUILD-"$CPPFLAGS"} # XXX - should it be '$(CPPFLAGS)'
if test X"$opt_profiling" = Xyes; then
LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-'$(BASE_LDFLAGS)'}
else
LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-'$(LDFLAGS)'}
fi
# CFLAGS set above to default value if not passed in environment
if test -n "$want_auto_cflags" ; then
CFLAGS_FOR_BUILD="${CFLAGS}"
BASE_CFLAGS_FOR_BUILD="${CFLAGS}"
else
# passed in environment
CFLAGS_FOR_BUILD=${CFLAGS-'$(CFLAGS)'}
BASE_CFLAGS_FOR_BUILD=${CFLAGS-'$(CFLAGS)'}
fi
LIBS_FOR_BUILD=${LIBS_FOR_BUILD-'$(LIBS)'}
else
CC_FOR_BUILD=${CC_FOR_BUILD-"gcc"}
CPPFLAGS_FOR_BUILD=${CPPFLAGS_FOR_BUILD-""}
LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-""}
CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD="-g"}
BASE_CFLAGS_FOR_BUILD=${BASE_CFLAGS_FOR_BUILD="-g"}
LIBS_FOR_BUILD=${LIBS_FOR_BUILD-""}
fi
AC_SUBST(CFLAGS)
AC_SUBST(CPPFLAGS)
AC_SUBST(LDFLAGS)
AC_SUBST(STATIC_LD)
AC_SUBST(CC_FOR_BUILD)
AC_SUBST(CFLAGS_FOR_BUILD)
AC_SUBST(BASE_CFLAGS_FOR_BUILD)
AC_SUBST(STYLE_CFLAGS)
AC_SUBST(CPPFLAGS_FOR_BUILD)
AC_SUBST(LDFLAGS_FOR_BUILD)
AC_SUBST(LIBS_FOR_BUILD)
AC_PROG_GCC_TRADITIONAL
dnl BEGIN READLINE and HISTORY LIBRARY SECTION
dnl prepare to allow bash to be linked against an already-installed readline
dnl first test that the readline version is new enough to link bash against
if test "$opt_readline" = yes && test "$opt_with_installed_readline" != "no"
then
# If the user specified --with-installed-readline=PREFIX and PREFIX
# is not `yes', set ac_cv_rl_prefix to PREFIX
test $opt_with_installed_readline != "yes" && ac_cv_rl_prefix=$opt_with_installed_readline
RL_LIB_READLINE_VERSION
case "$ac_cv_rl_version" in
8*|9*) ;;
*) opt_with_installed_readline=no
AC_MSG_WARN([installed readline library is too old to be linked with bash])
AC_MSG_WARN([using private bash version])
;;
esac
fi
TILDE_LIB=-ltilde
if test $opt_readline = yes; then
AC_DEFINE(READLINE)
if test "$opt_with_installed_readline" != "no" ; then
case "$opt_with_installed_readline" in
yes) RL_INCLUDE= ;;
*) case "$RL_INCLUDEDIR" in
/usr/include) ;;
*) RL_INCLUDE='-I${RL_INCLUDEDIR}' ;;
esac
;;
esac
READLINE_DEP=
READLINE_LIB=-lreadline
# section for OS versions that don't allow unresolved symbols
# to be compiled into dynamic libraries.
case "$host_os" in
cygwin*) TILDE_LIB= ;;
esac
else
RL_LIBDIR='$(dot)/$(LIBSUBDIR)/readline'
READLINE_DEP='$(READLINE_LIBRARY)'
# section for OS versions that ship an older/broken version of
# readline as a standard dynamic library and don't allow a
# static version specified as -llibname to override the
# dynamic version
case "${host_os}" in
darwin[[89]]*|darwin10*) READLINE_LIB='${READLINE_LIBRARY}' ;;
*) READLINE_LIB=-lreadline ;;
esac
fi
else
RL_LIBDIR='$(dot)/$(LIBSUBDIR)/readline'
READLINE_LIB= READLINE_DEP=
fi
if test $opt_history = yes || test $opt_bang_history = yes; then
if test $opt_history = yes; then
AC_DEFINE(HISTORY)
fi
if test $opt_bang_history = yes; then
AC_DEFINE(BANG_HISTORY)
fi
if test "$opt_with_installed_readline" != "no"; then
HIST_LIBDIR=$RL_LIBDIR
HISTORY_DEP=
HISTORY_LIB=-lhistory
case "$opt_with_installed_readline" in
yes) RL_INCLUDE= ;;
*) case "$RL_INCLUDEDIR" in
/usr/include) ;;
*) RL_INCLUDE='-I${RL_INCLUDEDIR}' ;;
esac
;;
esac
else
HIST_LIBDIR='$(dot)/$(LIBSUBDIR)/readline'
HISTORY_DEP='$(HISTORY_LIBRARY)'
# section for OS versions that ship an older version of
# readline as a standard dynamic library and don't allow a
# static version specified as -llibname to override the
# dynamic version
case "${host_os}" in
darwin[[89]]*|darwin10*) HISTORY_LIB='${HISTORY_LIBRARY}' ;;
*) HISTORY_LIB=-lhistory ;;
esac
fi
else
HIST_LIBDIR='$(dot)/$(LIBSUBDIR)/readline'
HISTORY_LIB= HISTORY_DEP=
fi
AC_SUBST(READLINE_LIB)
AC_SUBST(READLINE_DEP)
AC_SUBST(RL_LIBDIR)
AC_SUBST(RL_INCLUDEDIR)
AC_SUBST(RL_INCLUDE)
AC_SUBST(HISTORY_LIB)
AC_SUBST(HISTORY_DEP)
AC_SUBST(HIST_LIBDIR)
AC_SUBST(TILDE_LIB)
dnl END READLINE and HISTORY LIBRARY SECTION
dnl programs needed by the build and install process
AC_PROG_INSTALL
AC_CHECK_TOOL(AR, ar)
dnl Set default for ARFLAGS, since autoconf does not have a macro for it.
dnl This allows people to set it when running configure or make
test -n "$ARFLAGS" || ARFLAGS="cr"
AC_PROG_RANLIB
AC_PROG_YACC
AC_PROG_MAKE_SET
case "$ac_cv_prog_YACC" in
*bison*) ;;
*) AC_MSG_WARN([bison not available; needed to process parse.y]) ;;
esac
case "$host_os" in
opennt*|interix*) MAKE_SHELL="$INTERIX_ROOT/bin/sh" ;;
*) MAKE_SHELL=/bin/sh ;;
esac
AC_SUBST(MAKE_SHELL)
dnl this is similar to the expanded AC_PROG_RANLIB
if test x$SIZE = x; then
if test x$ac_tool_prefix = x; then
SIZE=size
else
SIZE=${ac_tool_prefix}size
save_IFS=$IFS ; IFS=:
size_found=0
for dir in $PATH; do
if test -x $dir/$SIZE ; then
size_found=1
break
fi
done
if test $size_found -eq 0; then
SIZE=:
fi
IFS=$save_IFS
fi
fi
AC_SUBST(SIZE)
m4_include([m4/stat-time.m4])
m4_include([m4/timespec.m4])
m4_include([m4/strtoimax.m4])
dnl include files for gettext
m4_include([m4/codeset.m4])
m4_include([m4/extern-inline.m4])
m4_include([m4/fcntl-o.m4])
m4_include([m4/gettext.m4])
m4_include([m4/glibc2.m4])
m4_include([m4/glibc21.m4])
m4_include([m4/host-cpu-c-abi.m4])
m4_include([m4/iconv.m4])
m4_include([m4/intdiv0.m4])
m4_include([m4/intl.m4])
m4_include([m4/intlmacosx.m4])
m4_include([m4/intl-thread-locale.m4])
m4_include([m4/intmax.m4])
m4_include([m4/inttypes-pri.m4])
m4_include([m4/inttypes.m4])
m4_include([m4/inttypes_h.m4])
m4_include([m4/lcmessage.m4])
m4_include([m4/lib-ld.m4])
m4_include([m4/lib-link.m4])
m4_include([m4/lib-prefix.m4])
m4_include([m4/lock.m4])
m4_include([m4/nls.m4])
m4_include([m4/po.m4])
m4_include([m4/printf-posix.m4])
m4_include([m4/progtest.m4])
m4_include([m4/pthread_rwlock_rdlock.m4])
m4_include([m4/size_max.m4])
m4_include([m4/stdint_h.m4])
m4_include([m4/threadlib.m4])
m4_include([m4/uintmax_t.m4])
m4_include([m4/ulonglong.m4])
m4_include([m4/visibility.m4])
m4_include([m4/wchar_t.m4])
m4_include([m4/wint_t.m4])
m4_include([m4/xsize.m4])
dnl C compiler characteristics
AC_C_CONST
AC_C_INLINE
AC_C_BIGENDIAN
AC_C_STRINGIZE
AC_TYPE_LONG_DOUBLE
AC_C_PROTOTYPES
AC_C_CHAR_UNSIGNED
AC_C_VOLATILE
AC_C_RESTRICT
dnl initialize GNU gettext
BASH_GNU_GETTEXT([no-libtool], [need-ngettext], [lib/intl])
dnl header files
AC_HEADER_DIRENT
AC_HEADER_MAJOR
BASH_HEADER_INTTYPES
AC_CHECK_HEADERS(unistd.h stdlib.h stdarg.h varargs.h limits.h string.h \
memory.h locale.h termcap.h termio.h termios.h dlfcn.h \
stdbool.h stddef.h stdint.h netdb.h pwd.h grp.h strings.h \
regex.h syslog.h ulimit.h)
AC_CHECK_HEADERS(sys/pte.h sys/stream.h sys/select.h sys/file.h sys/ioctl.h \
sys/mman.h sys/param.h sys/random.h sys/socket.h sys/stat.h \
sys/time.h sys/times.h sys/types.h sys/wait.h)
AC_CHECK_HEADERS(netinet/in.h arpa/inet.h)
dnl sys/ptem.h requires definitions from sys/stream.h on systems where it
dnl exists
AC_CHECK_HEADER(sys/ptem.h, , ,[[
#if HAVE_SYS_STREAM_H
# include <sys/stream.h>
#endif
]])
dnl SunOS 4 needs to include <sys/time.h> before <sys/resource.h> to compile
dnl autoconf complains about presence but inability to compile
AC_CHECK_HEADER(sys/resource.h, AC_DEFINE(HAVE_SYS_RESOURCE_H), [], [[
#if HAVE_SYS_TIME_H
# include <sys/time.h>
#endif
]])
dnl special checks for libc functions
AC_FUNC_ALLOCA
AC_FUNC_CHOWN
AC_FUNC_GETPGRP
AC_FUNC_VPRINTF
AC_FUNC_STRCOLL
dnl if we're not using the bash malloc but require the C alloca, set things
dnl up to build a libmalloc.a containing only alloca.o
if test "$ac_cv_func_alloca_works" = "no" && test "$opt_bash_malloc" = "no"; then
MALLOC_TARGET=alloca
MALLOC_SRC=alloca.c
MALLOC_LIB='-lmalloc'
MALLOC_LIBRARY='$(ALLOC_LIBDIR)/libmalloc.a'
MALLOC_LDFLAGS='-L$(ALLOC_LIBDIR)'
MALLOC_DEP='$(MALLOC_LIBRARY)'
fi
dnl if vprintf is not in libc, see if it's defined in stdio.h
if test "$ac_cv_func_vprintf" = no; then
AC_MSG_CHECKING(for declaration of vprintf in stdio.h)
AC_EGREP_HEADER([[int[ ]*vprintf[^a-zA-Z0-9]]],stdio.h,ac_cv_func_vprintf=yes)
AC_MSG_RESULT($ac_cv_func_vprintf)
if test $ac_cv_func_vprintf = yes; then
AC_DEFINE(HAVE_VPRINTF)
fi
fi
if test "$ac_cv_func_vprintf" = no && test "$ac_cv_func__doprnt" = "yes"; then
AC_LIBOBJ(vprint)
fi
dnl checks for certain version-specific system calls and libc functions
AC_CHECK_FUNC(__setostype, AC_DEFINE(HAVE_SETOSTYPE))
AC_CHECK_FUNC(wait3, AC_DEFINE(HAVE_WAIT3))
dnl checks for missing libc functions
AC_CHECK_FUNC(mkfifo, AC_DEFINE(HAVE_MKFIFO), AC_DEFINE(MKFIFO_MISSING))
dnl checks for system calls
AC_CHECK_FUNCS(dup2 eaccess fcntl getdtablesize getentropy getgroups \
gethostname getpagesize getpeername getrandom getrlimit \
getrusage gettimeofday kill killpg lstat pselect readlink \
select setdtablesize setitimer tcgetpgrp uname ulimit waitpid)
AC_REPLACE_FUNCS(rename)
dnl checks for c library functions
AC_CHECK_FUNCS(bcopy bzero confstr faccessat fnmatch \
getaddrinfo gethostbyname getservbyname getservent inet_aton \
imaxdiv memmove pathconf putenv raise random regcomp regexec \
setenv setlinebuf setlocale setvbuf siginterrupt strchr \
sysconf syslog tcgetattr times ttyname tzset unsetenv)
AC_CHECK_FUNCS(vasprintf asprintf)
AC_CHECK_FUNCS(isascii isblank isgraph isprint isspace isxdigit)
AC_CHECK_FUNCS(getpwent getpwnam getpwuid)
AC_CHECK_FUNCS(mkstemp mkdtemp)
AC_CHECK_FUNCS(arc4random)
AC_REPLACE_FUNCS(getcwd memset)
AC_REPLACE_FUNCS(strcasecmp strcasestr strerror strftime strnlen strpbrk strstr)
AC_REPLACE_FUNCS(strtod strtol strtoul strtoll strtoull strtoumax)
AC_REPLACE_FUNCS(dprintf)
AC_REPLACE_FUNCS(strchrnul)
AC_REPLACE_FUNCS(strdup)
AC_CHECK_HEADERS(libaudit.h)
AC_CHECK_DECLS([AUDIT_USER_TTY],,, [[#include <linux/audit.h>]])
AC_CHECK_DECLS([confstr])
AC_CHECK_DECLS([printf])
AC_CHECK_DECLS([sbrk])
AC_CHECK_DECLS([setregid])
AC_CHECK_DECLS([strcpy])
AC_CHECK_DECLS([strsignal])
AC_CHECK_FUNCS(setresuid setresgid)
dnl Extra test to detect the horribly broken HP/UX 11.00 strtold(3)
AC_CHECK_DECLS([strtold], [
AC_MSG_CHECKING([for broken strtold])
AC_CACHE_VAL(bash_cv_strtold_broken,
[AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM(
[[#include <stdlib.h>]],
[[long double r; char *foo, bar; r = strtold(foo, &bar);]]
)],
[bash_cv_strtold_broken=no],[bash_cv_strtold_broken=yes])
]
)
AC_MSG_RESULT($bash_cv_strtold_broken)
if test "$bash_cv_strtold_broken" = "yes" ; then
AC_DEFINE(STRTOLD_BROKEN)
fi
])
AC_CHECK_DECLS(strtol)
AC_CHECK_DECLS(strtoll)
AC_CHECK_DECLS(strtoul)
AC_CHECK_DECLS(strtoull)
AC_CHECK_DECLS(strtoumax)
AC_FUNC_MKTIME
dnl
dnl Checks for lib/intl and related code (uses some of the output from
dnl BASH_GNU_GETTEXT)
dnl
AC_CHECK_HEADERS([argz.h errno.h fcntl.h malloc.h stdio_ext.h])
dnl AC_FUNC_MALLOC
AC_FUNC_MMAP
AC_CHECK_FUNCS([__argz_count __argz_next __argz_stringify dcgettext mempcpy \
munmap mremap stpcpy strcspn])
INTL_DEP= INTL_INC= LIBINTL_H=
if test "x$USE_INCLUDED_LIBINTL" = "xyes"; then
INTL_DEP='${INTL_LIBDIR}/libintl.a'
INTL_INC='-I${INTL_LIBSRC} -I${INTL_BUILDDIR}'
LIBINTL_H='${INTL_BUILDDIR}/libintl.h'
fi
AC_SUBST(INTL_DEP)
AC_SUBST(INTL_INC)
AC_SUBST(LIBINTL_H)
dnl
dnl End of checks needed by files in lib/intl
dnl
BASH_CHECK_MULTIBYTE
dnl checks for the dynamic loading library functions in libc and libdl
if test "$opt_static_link" != yes; then
AC_CHECK_LIB(dl, dlopen)
AC_CHECK_FUNCS(dlopen dlclose dlsym)
fi
dnl network functions -- check for inet_aton again
if test "$ac_cv_func_inet_aton" != 'yes'; then
BASH_FUNC_INET_ATON
fi
dnl libraries
dnl this is reportedly no longer necessary for irix[56].?
case "$host_os" in
irix4*) AC_CHECK_LIB(sun, getpwent) ;;
esac
dnl check for getpeername in the socket library only if it's not in libc
if test "$ac_cv_func_getpeername" = no; then
BASH_CHECK_LIB_SOCKET
fi
dnl check for gethostbyname in socket libraries if it's not in libc
if test "$ac_cv_func_gethostbyname" = no; then
BASH_FUNC_GETHOSTBYNAME
fi
dnl system types
AC_TYPE_GETGROUPS
AC_TYPE_OFF_T
AC_TYPE_MODE_T
AC_TYPE_UID_T
AC_TYPE_PID_T
AC_TYPE_SIZE_T
AC_TYPE_UINTPTR_T
AC_CHECK_TYPE(ssize_t, int)
AC_CHECK_TYPE(time_t, long)
AC_TYPE_LONG_LONG_INT
AC_TYPE_UNSIGNED_LONG_LONG_INT
BASH_TYPE_SIG_ATOMIC_T
AC_CHECK_SIZEOF(char, 1)
AC_CHECK_SIZEOF(short, 2)
AC_CHECK_SIZEOF(int, 4)
AC_CHECK_SIZEOF(long, 4)
AC_CHECK_SIZEOF(char *, 4)
AC_CHECK_SIZEOF(size_t, 4)
AC_CHECK_SIZEOF(double, 8)
AC_CHECK_SIZEOF([long long], 8)
AC_CHECK_TYPE(u_int, [unsigned int])
AC_CHECK_TYPE(u_long, [unsigned long])
BASH_TYPE_BITS16_T
BASH_TYPE_U_BITS16_T
BASH_TYPE_BITS32_T
BASH_TYPE_U_BITS32_T
BASH_TYPE_BITS64_T
BASH_TYPE_PTRDIFF_T
dnl structures
AC_HEADER_STAT