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configure.ac
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configure.ac
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dnl
dnl Configure template for GnuCOBOL
dnl Process this file with autoconf to produce a configure script.
dnl
dnl Copyright (C) 2001-2012, 2014-2024 Free Software Foundation, Inc.
dnl Written by Keisuke Nishida, Roger While, Ron Norman, Simon Sobisch,
dnl Edward Hart
dnl
dnl This file is part of GnuCOBOL.
dnl
dnl The GnuCOBOL compiler is free software: you can redistribute it
dnl and/or modify it under the terms of the GNU General Public License
dnl as published by the Free Software Foundation, either version 3 of the
dnl License, or (at your option) any later version.
dnl
dnl GnuCOBOL is distributed in the hope that it will be useful,
dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
dnl GNU General Public License for more details.
dnl
dnl You should have received a copy of the GNU General Public License
dnl along with GnuCOBOL. If not, see <https://www.gnu.org/licenses/>.
dnl
AC_PREREQ([2.67]) # note: 2.67 is the one found in old msys, 2.69 is commonly available
AC_INIT([GnuCOBOL],
[3.3-dev],
[gnucobol],
[https://www.gnu.org/software/gnucobol/])
AC_REVISION([GnuCOBOL snapshot $Revision$])
AC_COPYRIGHT([This file is part of GnuCOBOL.
Copyright (C) 2001-2012, 2014-2024 Free Software Foundation, Inc.
Written by Keisuke Nishida, Roger While, Ron Norman, Simon Sobisch,
Edward Hart
])
AC_CONFIG_SRCDIR([libcob.h])
AC_CONFIG_HEADERS([config.h])
AC_CONFIG_TESTDIR([tests])
AC_CONFIG_MACRO_DIR([m4])
AC_CONFIG_AUX_DIR([build_aux])
AC_CONFIG_FILES([Makefile libcob/Makefile lib/Makefile cobc/Makefile
bin/Makefile po/Makefile.in doc/Makefile config/Makefile
copy/Makefile tests/Makefile tests/cobol85/Makefile
extras/Makefile])
AC_CONFIG_FILES([bin/cob-config], [chmod +x bin/cob-config])
AC_CONFIG_FILES([pre-inst-env:build_aux/pre-inst-env.in],
[chmod +x pre-inst-env])
AC_CONFIG_FILES([tests/atlocal], [chmod +x tests/atlocal])
AC_CONFIG_FILES([tests/run_prog_manual.sh],
[chmod +x tests/run_prog_manual.sh])
# In general: don't export/setenv but pass as option to configure
# this has the benefit that re-runs will take the same and "sudo"
# or later "make" (possibly as different user) will use the same
# set of tools
# Note for SUN Solaris (gcc)
# options to configure: CC="gcc -m64" --libdir=/usr/local/lib/sparcv9
# or:
# options to configure: CFLAGS=-m64 LDFLAGS="-m64 -L/usr/local/lib/sparcv9"
#
# Hack for AIX 64 bit (gcc)
# Required -
# options to configure: CC="gcc -maix64" / CC="xlc -q64"
# or:
# options to configure: CFLAGS=-maix64 and LDFLAGS=-maix64
# Note: AIX commonly uses -Lpath like GNU/Linux would use -Lpath -Rpath
if test "x$OBJECT_MODE" = x; then
echo "$CC $CFLAGS" | grep ' -maix32' 1>/dev/null 2>&1
check1=$?
echo "$CC $CFLAGS" | grep ' -q32' 1>/dev/null 2>&1
check2=$?
if test $check1 -eq 0 -o $check2 -eq 0; then
OBJECT_MODE=32 # for libtool
fi
echo "$CC $CFLAGS" | grep ' -maix64' 1>/dev/null 2>&1
check1=$?
echo "$CC $CFLAGS" | grep ' -q64' 1>/dev/null 2>&1
check2=$?
if test $check1 -eq 0 -o $check2 -eq 0; then
OBJECT_MODE=64 # for libtool
fi
unset check1
unset check2
fi
if test "$OBJECT_MODE" = "64"; then
if test "x$AR" = x; then
if test -f /usr/ccs/bin/ar; then
AR="/usr/ccs/bin/ar -X64"
else
AR="ar -X64"
fi
fi
if test "x$NM" = x; then
if test -f /usr/ccs/bin/nm; then
NM="/usr/ccs/bin/nm -X64 -B"
else
NM="nm -X64 -B"
fi
fi
elif test "$OBJECT_MODE" = "32"; then
if test "x$AR" = x; then
if test -f /usr/ccs/bin/ar; then
AR="/usr/ccs/bin/ar -X32"
else
AR="ar -X32"
fi
fi
if test "x$NM" = x; then
if test -f /usr/ccs/bin/nm; then
NM="/usr/ccs/bin/nm -X32 -B"
else
NM="nm -X32 -B"
fi
fi
fi
dnl We don't want to have the full list of automatic defines from automake,
dnl and take care of the one we want explicit AC_DEFINE_UNQUOTED.
dnl While we do care about portability we get a long list of false-positives
dnl because of code-coverage parts that are only part of the final Makefile if we
dnl actually do use GNU make, so skip those warnings here and manually check with
dnl "automake -Wall" before creating a release quality tarball.
AM_INIT_AUTOMAKE([gnu no-texinfo.tex no-define -Wno-portability])
AC_DEFINE_UNQUOTED([PACKAGE], ["$PACKAGE"], [Name of package]) # used for bindtextdomain and in .rc-files
dnl Autoheader templates
AH_TEMPLATE([COB_DEBUG_LOG], [Enable internal logging (Developers only!)])
AH_TEMPLATE([COB_EXPERIMENTAL], [Enable experimental code (Developers only!)])
AH_TEMPLATE([COB_TREE_DEBUG], [Enable extra checks within the compiler (Developers only!)])
AH_TEMPLATE([COB_PARAM_CHECK], [Enable minimum parameter check for system libraries])
AH_TEMPLATE([PATCH_LEVEL], [Define a patch level (numeric, max. 8 digits)])
AH_TEMPLATE([MAX_CALL_FIELD_PARAMS], [Define maximum parameters for CALL])
AH_TEMPLATE([WITH_MATH], [Math multiple precision library])
AH_TEMPLATE([WITH_INDEX_EXTFH], [Compile with obsolete external INDEXED handler])
AH_TEMPLATE([WITH_SEQRA_EXTFH], [Compile with obsolete external SEQ/RAN handler])
AH_TEMPLATE([WITH_DB], [Use Berkeley DB library as INDEXED handler])
dnl FIXME: may be specified with different file version
dnl AH_TEMPLATE([COB_BDB_BAD_DUPNO], [Retain incorrect duplicate sequence for compatibility on little endian!])
AH_TEMPLATE([WITH_CISAM], [Use CISAM as INDEXED handler])
AH_TEMPLATE([WITH_DISAM], [Use DISAM as INDEXED handler])
AH_TEMPLATE([WITH_VBISAM], [Use VBISAM as INDEXED handler])
AH_TEMPLATE([WITH_XML2], [Use libxml2 as XML handler])
AH_TEMPLATE([WITH_JSON], [JSON handler])
AH_TEMPLATE([WITH_CJSON], [Use cJSON library/source as JSON handler])
AH_TEMPLATE([WITH_JSON_C], [Use JSON-C library as JSON handler])
AH_TEMPLATE([COB_EXPORT_DYN], [Compile/link option for exporting symbols])
AH_TEMPLATE([COB_PIC_FLAGS], [Compile/link option for PIC code])
AH_TEMPLATE([COB_DEBUG_FLAGS], [Compile/link option for debugging])
AH_TEMPLATE([COB_SHARED_OPT], [Compile/link option for shared code])
AH_TEMPLATE([COB_STRIP_CMD], [Strip command])
AH_TEMPLATE([USE_LIBDL], [Use system dynamic loader])
AH_TEMPLATE([WITH_VARSEQ], [Define variable sequential file format])
AH_TEMPLATE([HAVE_ATTRIBUTE_ALIGNED], [Has __attribute__((aligned))])
AH_TEMPLATE([HAVE_ATTRIBUTE_PURE], [Has __attribute__((pure))])
AH_TEMPLATE([HAVE_ATTRIBUTE_CONSTRUCTOR], [Has __attribute__((constructor))])
AH_TEMPLATE([HAVE_TIMEZONE], [Has timezone variable])
AH_TEMPLATE([COB_OBJECT_EXT], [Object extension])
AH_TEMPLATE([COB_MODULE_EXT], [Module extension])
AH_TEMPLATE([COB_EXE_EXT], [Executable extension])
AH_TEMPLATE([COB_KEYWORD_INLINE], [Keyword for inline])
AH_TEMPLATE([COB_NO_SELFOPEN], [Can not dlopen self])
AH_TEMPLATE([COB_COMPUTED_GOTO], [Compilation of computed gotos works])
AH_TEMPLATE([COB_LI_IS_LL], [long int is long long])
AH_TEMPLATE([COB_32_BIT_LONG], [long int is 32 bits])
AH_TEMPLATE([COB_64_BIT_POINTER], [Pointers are longer than 32 bits])
AH_TEMPLATE([WITH_CURSES], [curses library for extended SCREEN I/O])
AH_TEMPLATE([HAVE_COLOR_SET], [curses has color_set function])
AH_TEMPLATE([HAVE_RESIZE_TERM], [curses has resize_term function])
AH_TEMPLATE([HAVE_DEFINE_KEY], [curses has define_key function])
AH_TEMPLATE([HAVE_MOUSEINTERVAL], [curses has mouseinterval function])
AH_TEMPLATE([HAVE_HAS_MOUSE], [curses has has_mouse function])
AH_TEMPLATE([HAVE_MOUSEMASK], [curses has mousemask function and mmask_t definition])
AH_TEMPLATE([HAVE_CURSES_FREEALL], [curses provides function to free all memory])
AH_TEMPLATE([HAVE_USE_LEGACY_CODING], [ncurses has use_legacy_coding function])
AH_TEMPLATE([HAVE_DESIGNATED_INITS], [Has designated initializers])
AH_TEMPLATE([HAVE_NANO_SLEEP], [Has nanosleep function])
AH_TEMPLATE([HAVE_CLOCK_GETTIME], [Has clock_gettime function and CLOCK_REALTIME])
AH_TEMPLATE([HAVE_ISFINITE], [Has isfinite function])
AH_TEMPLATE([HAVE_MP_GET_MEMORY_FUNCTIONS], [Do we have mp_get_memory_functions in GMP/MPIR])
dnl done via AC_CHECK_FUNCS: AH_TEMPLATE([HAVE_RAISE], [Has raise function])
AH_TEMPLATE([HAVE_FINITE_IEEEFP_H],
[Declaration of finite function in ieeefp.h instead of math.h])
dnl preparation for cross-compilation
AC_ARG_PROGRAM
dnl
dnl Configure options part I (not needing any compilation)
dnl
AC_ARG_ENABLE([debug],
[AS_HELP_STRING([--enable-debug],
[(GnuCOBOL) Enable -g C compiler debug option for cobc + libcob])],
[],
[enable_debug=no])
AC_ARG_ENABLE([hardening],
[AS_HELP_STRING([--enable-hardening, --disable-hardening],
[Enable GNU C "hardening" options: define _FORTIFY_SOURCE and use,
depending on the availability -fstack-protector-strong / -fstack-protector,
as well as -fstack-clash-protection.
If disabled, these are explicit removed from CFLAGS for building GnuCOBOL.
Defaults to "defined by CFLAGS".])],,
[enable_hardening="unset"])
AC_ARG_ENABLE([experimental],
[AS_HELP_STRING([--enable-experimental],
[(GnuCOBOL) Enable experimental code (Developers only!)])],
[if test "$enable_experimental" = yes; then
AC_DEFINE([COB_EXPERIMENTAL], [1])
fi],
[])
AC_ARG_ENABLE([cobc-internal-checks],
[AS_HELP_STRING([--enable-cobc-internal-checks],
[(GnuCOBOL) Enable extra checks within the compiler (Developers only!)])],
[if test "$enable_cobc_internal_checks" = yes; then
AC_DEFINE([COB_TREE_DEBUG], [1])
fi],
[])
AC_ARG_ENABLE([debuglog],
[AS_HELP_STRING([--enable-debuglog],
[(GnuCOBOL) Enable internal logging code (Developers only!)])],
[if test "$enable_debuglog" = yes; then
AC_DEFINE([COB_DEBUG_LOG], [1])
fi],
[])
AC_ARG_ENABLE([param-check],
[AS_HELP_STRING([--enable-param-check],
[(GnuCOBOL) Enable minimum parameter check for system libraries (default no)])],
[if test "$enable_param_check" = yes; then
AC_DEFINE([COB_PARAM_CHECK], [1])
fi],
[])
dnl FIXME: may be specified with different file version
dnl AC_ARG_ENABLE([bdbdupno],
dnl [AS_HELP_STRING([--enable-bdbdupno],
dnl [(GnuCOBOL) Retain old BDB duplicate sequence (Incorrect on little-endian!)])],
dnl [if test "$enable_bdbdupno" = yes; then
dnl AC_DEFINE([COB_BDB_BAD_DUPNO], [1])
dnl fi],
dnl [])
AC_ARG_WITH([patch-level],
[AS_HELP_STRING([--with-patch-level],
[(GnuCOBOL) Define a patch level (default 0), numeric, max. 8 digits])],
[case $with_patch_level in
yes) AC_MSG_ERROR([[--with-patch-level needs an argument]])
;;
no) AC_MSG_ERROR([[--without-patch-level not supported]])
;;
[[0-9]]*)
if test $with_patch_level -gt 99999999; then
AC_MSG_ERROR([[patch level must not contain more than 8 digits]])
fi
;;
*) AC_MSG_ERROR([[patch level must be numeric]])
;;
esac],
[with_patch_level=0])
AC_DEFINE_UNQUOTED([PATCH_LEVEL], [$with_patch_level])
AC_ARG_WITH([max-call-params],
[AS_HELP_STRING([--with-max-call-params],
[(GnuCOBOL) Define maximum number of parameters for CALL (default 192)])],
[case $with_max_call_params in
yes) AC_MSG_ERROR([[--with-max-call-params needs an argument]])
;;
no) AC_MSG_ERROR([[--without-max-call-params not supported]])
;;
16 | 36 | 56 | 76 | 96 | 192 | 252)
;;
*) AC_MSG_ERROR([[maximum number of parameters for CALL must be one of 16/36/56/76/96/192/252]])
;;
esac],
[with_max_call_params=192])
AC_DEFINE_UNQUOTED([MAX_CALL_FIELD_PARAMS], [$with_max_call_params])
# Basic capability tests
configured_make=""
if test -z "$MAKE"; then
AC_CHECK_PROGS([configured_make], [make gmake gnumake])
if test -z "$configured_make"; then
AC_MSG_ERROR([make not found])
else
MAKE=$configured_make
AC_SUBST(MAKE)
fi
else
AC_CHECK_PROG([configured_make], [$MAKE], [$MAKE])
if test -z "$configured_make"; then
AC_MSG_ERROR([make, configured as "$MAKE", was not found])
fi
fi
AC_MSG_CHECKING([whether ${MAKE} can handle common constructs])
rm -f confmake.out
cat > confmf.mk << 'END'
NOPROG = ${SHELL} './missing' no-prog
DEFAULTVAR = $${VAR-default}
command = \
somestrip=`echo "$(DEFAULTVAR)" | sed 's/[].[^$$\\*|]/\\\\&/g'`
test_target:
@echo target executed > confmake.out
END
_am_result=no
AM_RUN_LOG([${MAKE} -f confmf.mk])
## redirecting via echo to remove special chars
__am_checkme=$(echo `cat confmake.out 2>/dev/null`)
AS_CASE([$?:${__am_checkme}],
['0:target executed'],
[AC_MSG_RESULT([yes])],
[AC_MSG_RESULT([no])
AC_MSG_FAILURE([make, configured as "$MAKE", does not work])])
rm -f confmake.out confmf.mk
AC_MSG_CHECKING([whether ${MAKE} supports order-only prerequisites])
rm -f confinc.* confprereq
cat > confmf.mk << 'END'
PREREQ := confprereq
am__doit: am__prereq | $(PREREQ)
@echo target am__doit. >>confinc.out
am__prereq:
@echo target am__prereq. >>confinc.out
$(PREREQ):
@touch $(PREREQ)
@echo target $(PREREQ). >>confinc.out
.PHONY: am__doit am__prereq
END
_am_result=no
AM_RUN_LOG([${MAKE} -f confmf.mk && ${MAKE-make} -f confmf.mk && cat confinc.out])
## redirecting via echo to remove special chars
__am_checkme=$(echo `cat confinc.out 2>/dev/null`)
AS_CASE([$?:${__am_checkme}],
['0:target am__prereq. target confprereq. target am__doit. target am__prereq. target am__doit.'],
[_am_result=yes])
rm -f confinc.* confmf.mk confprereq
AC_MSG_RESULT([${_am_result}])
AM_CONDITIONAL([MAKE_HAS_PREREQ_ONLY], [test "${_am_result}" = yes])
curr_libs="$LIBS"
dnl Checked before AC_PROG_CC and default flags are applied.
enable_cflags_setting=no
AC_MSG_CHECKING([whether CFLAGS -O can be modified])
# Enable setting if the user has not specified the optimisation in CFLAGS.
echo "$CFLAGS" | grep "\-O.*\( \|$\)" 1>/dev/null 2>/dev/null
if test $? != 0; then
enable_cflags_setting=yes
fi
AC_MSG_RESULT([$enable_cflags_setting])
dnl Default CFLAGS (removed -g set in AC_INIT for compatibility)
: ${CFLAGS="-O2"}
AC_PROG_CC([gcc icc xlc cc])
AC_USE_SYSTEM_EXTENSIONS
# Check for the compiler used
dnl COB_USES_GCC=no
COB_USES_GCC_NO_ICC=no
COB_USES_ICC_ONLY=no
COB_USES_CLANG_ONLY=no
COB_USES_XLC_ONLY=no
COB_USES_WATCOMC_ONLY=no
dnl AC_MSG_CHECKING([for __GNUC__])
dnl AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
dnl #ifndef __GNUC__
dnl # error macro not defined
dnl #endif]])],
dnl [COB_USES_GCC=yes
dnl AC_MSG_RESULT([yes])],
dnl [AC_MSG_RESULT([no])])
COB_USES_GCC=$GCC
AC_MSG_CHECKING([for __INTEL_COMPILER])
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
#ifndef __INTEL_COMPILER
# error macro not defined
#endif]])],
[COB_USES_ICC_ONLY=yes
AC_MSG_RESULT([yes])],
[if test "$COB_USES_GCC" = yes; then
COB_USES_GCC_NO_ICC=yes
fi
AC_MSG_RESULT([no])]
)
AC_MSG_CHECKING([for __clang__])
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
#ifndef __clang__
# error macro not defined
#endif]])],
[COB_USES_CLANG_ONLY=yes
AC_MSG_RESULT([yes])],
[AC_MSG_RESULT([no])])
AC_MSG_CHECKING([for __xlc__])
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
#ifndef __xlc__
# error macro not defined
#endif]])],
[COB_USES_XLC_ONLY=yes
AC_MSG_RESULT([yes])],
[AC_MSG_RESULT([no])])
AC_MSG_CHECKING([for __WATCOMC__])
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
#ifndef __WATCOMC__
# error macro not defined
#endif]])],
[COB_USES_WATCOMC_ONLY=yes
AC_MSG_RESULT([yes])],
[AC_MSG_RESULT([no])])
AC_MSG_CHECKING([for __SUNPRO_C])
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
#ifndef __SUNPRO_C
# error macro not defined
#endif]])],
[COB_USES_SUNPRO_C_ONLY=yes
AC_MSG_RESULT([yes])],
[AC_MSG_RESULT([no])])
curr_cflags="$CFLAGS"
AC_CACHE_CHECK([how to error on warnings during configure checks], gc_cv_err_warn, [
if test "$COB_USES_GCC" = yes -o "$COB_USES_WATCOMC_ONLY" = yes; then
# COB_USES_GCC is also set with clang and icc
ERRWARN="-Wall -Werror"
elif test "$COB_USES_XLC_ONLY" = yes; then
ERRWARN="-qhalt=w"
elif test "$COB_USES_SUNPRO_C_ONLY" = yes; then
ERRWARN="-errwarn=%all"
else
ERRWARN=""
fi
CFLAGS="$CFLAGS $ERRWARN"
AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[return 0;]])],
[gc_cv_err_warn="$ERRWARN"],
[gc_cv_err_warn=""])
])
ERRWARN="$gc_cv_err_warn"
# save what we have so far as it is quite "constant"
AC_CACHE_SAVE
#
## general flags for compiler and linker and tests for those
#
CFLAGS="$curr_cflags $ERRWARN"
AC_ARG_VAR([COBC_CPPFLAGS], [see CPPFLAGS, but only applied during generation of cobc])
AS_IF([test "x$COBC_CPPFLAGS" != x], [
AC_MSG_CHECKING([whether compilation with COBC_CPPFLAGS works])
curr_cppflags="$CPPFLAGS"
CPPFLAGS="$CPPFLAGS $COBC_CPPFLAGS"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],
[[return 0;]])],
[AC_MSG_RESULT([yes])],
[AC_MSG_RESULT([no])
AC_MSG_FAILURE([cannot compile with COBC_CPPFLAGS="$COBC_CPPFLAGS"])])
CPPFLAGS="$curr_cppflags"
])
AC_ARG_VAR([LIBCOB_CPPFLAGS], [see CPPFLAGS, but only applied during generation of libcob])
AS_IF([test "x$LIBCOB_CPPFLAGS" != x], [
AC_MSG_CHECKING([whether compilation with LIBCOB_CPPFLAGS works])
curr_cppflags="$CPPFLAGS"
CPPFLAGS="$CPPFLAGS $LIBCOB_CPPFLAGS"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],
[[return 0;]])],
[AC_MSG_RESULT([yes])],
[AC_MSG_RESULT([no])
AC_MSG_FAILURE([cannot compile with LIBCOB_CPPFLAGS="$LIBCOB_CPPFLAGS"])])
CPPFLAGS="$curr_cppflags"
])
AS_IF([test "x$LDFLAGS" != "x" -o "x$LIBS" != "x"], [
AC_MSG_CHECKING([whether linking with LDFLAGS / LIBS works])
AC_LINK_IFELSE([AC_LANG_PROGRAM([],
[[return 0;]])],
[AC_MSG_RESULT([yes])],
[AC_MSG_RESULT([no])
AC_MSG_FAILURE([cannot link with LDFLAGS="$LDFLAGS", / LIBS="$LIBS"])])
])
curr_libs="$LIBS"
AC_ARG_VAR([LIBCOB_LIBS], [see LIBS, but only applied during generation of libcob])
AS_IF([test "x$LIBCOB_LIBS" != x], [
AC_MSG_CHECKING([whether linking with LIBCOB_LIBS works])
LIBS="$LIBS $LIBCOB_LIBS"
AC_LINK_IFELSE([AC_LANG_PROGRAM([],
[[return 0;]])],
[AC_MSG_RESULT([yes])],
[AC_MSG_RESULT([no])
AC_MSG_FAILURE([cannot link with LIBCOB_LIBS="$LIBCOB_LIBS"])])
])
LIBCOB_LIBS_extern="$LIBCOB_LIBS"
AC_ARG_VAR([PROGRAMS_LIBS], [see LIBS, but only applied during generation of programs: cobc, cobcrun])
AS_IF([test "x$PROGRAMS_LIBS" != x], [
AC_MSG_CHECKING([whether linking with PROGRAMS_LIBS works])
LIBS="$LIBS $PROGRAMS_LIBS"
AC_LINK_IFELSE([AC_LANG_PROGRAM([],
[[return 0;]])],
[AC_MSG_RESULT([yes])],
[AC_MSG_RESULT([no])
AC_MSG_FAILURE([cannot link with PROGRAMS_LIBS="$PROGRAMS_LIBS"])])
])
LIBS="$curr_libs"
CFLAGS="$curr_cflags"
dnl only needed until automake 1.14 - but we don't have a check for the
dnl minimal version, so leaving in
AM_PROG_CC_C_O
LT_PREREQ([2.2])
LT_PROG_RC
AM_PROG_AR
dnl CHECKME: do we want disable-static (mind libsupport)
dnl if yes then drop AM_PROG_AR + build_aux/ar-lib
LT_INIT([dlopen win32-dll])
AX_PROG_FLEX
AX_PROG_BISON
AC_ARG_VAR(DIFF_FLAGS, arguments passed to diff)
AC_MSG_CHECKING([for diff arguments])
case "$DIFF_FLAGS" in
*--strip-trailing-cr*)
AC_MSG_RESULT([specified as $DIFF_FLAGS])
;;
*)
diff $DIFF_FLAGS --strip-trailing-cr --version 1>/dev/null 2>&1
if test $? -eq 0; then
if test -z "$DIFF_FLAGS"; then
DIFF_FLAGS="--strip-trailing-cr"
else
DIFF_FLAGS="$DIFF_FLAGS --strip-trailing-cr"
fi
AC_MSG_RESULT([$DIFF_FLAGS])
else
AC_MSG_RESULT([not supported])
fi
;;
esac
AC_SUBST(DIFF_FLAGS)
# Stop tests for C++ and Fortran
AC_DEFUN([AC_PROG_CXX], [])
AC_DEFUN([AC_PROG_F77], [])
AC_PROG_LN_S
AC_PROG_INSTALL
AC_PROG_MAKE_SET
AC_LIB_RPATH
# more things to save...
AC_CACHE_SAVE
# Checks for header files.
dnl entries only used from external includes -> likely no need to check here
dnl AC_CHECK_HEADERS([whcar.h malloc.h])
# mandatory:
AC_CHECK_HEADERS([sys/types.h signal.h stddef.h], [],
[AC_MSG_ERROR([mandatory header could not be found or included])])
# optional:
AC_CHECK_HEADERS([sys/time.h locale.h fcntl.h dlfcn.h stdint.h inttypes.h])
# Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_C_BIGENDIAN
AC_TYPE_SIZE_T
AC_STRUCT_TM
AC_CHECK_TYPES([sig_atomic_t], [], [], [[#include <signal.h>]])
dnl Note: Don't use AC_C_INLINE here. We need the value.
AC_CACHE_CHECK([for inline keyword], gc_cv_keyword_inline, [
for gc_cv_keyword_inline in __inline __inline__ inline ""
do
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#ifndef __cplusplus
typedef int foo_t;
static $gc_cv_keyword_inline foo_t foo () { return 0; }
#endif]], [[
#ifndef __cplusplus
return foo ();
#else
choke me
#endif]])],
[break],
[],
[])
done]
)
AC_DEFINE_UNQUOTED([COB_KEYWORD_INLINE], [$gc_cv_keyword_inline])
# Checks for library functions.
AC_FUNC_VPRINTF
AC_CHECK_FUNCS([memmove memset setlocale fcntl strerror strcasecmp \
strchr strrchr strdup strstr strtol gettimeofday localeconv \
getexecname canonicalize_file_name popen raise readlink realpath \
setenv strcoll flockfile])
# more things to save...
AC_CACHE_SAVE
# Check for timezone
AC_CACHE_CHECK([for timezone variable access], gc_cv_time_timezone, [
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <time.h>]],
[[timezone = 3600;]])],
[gc_cv_time_timezone=yes],
[gc_cv_time_timezone=no]
)]
)
if test "$gc_cv_time_timezone" = yes; then
AC_DEFINE([HAVE_TIMEZONE], [1])
fi
# Check for designated initializers
AC_CACHE_CHECK([for designated initializers], gc_cv_designated_inits, [
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stdio.h>]],
[[static const unsigned char valid_char[256] = {
@<:@'0'@:>@ = 1,
@<:@'1'@:>@ = 1 };
]])],
[gc_cv_designated_inits=yes],
[gc_cv_designated_inits=no]
)]
)
if test "$gc_cv_designated_inits" = yes; then
AC_DEFINE([HAVE_DESIGNATED_INITS], [1])
fi
CFLAGS="$curr_cflags"
# more things to save...
AC_CACHE_SAVE
if test "x$COB_CC" = x; then
COB_CC="$CC"
fi
if test "x$COMMON_LIBS" != x; then
if test "x$LIBCOB_LIBS" != x; then
LIBCOB_LIBS="$LIBCOB_LIBS $COMMON_LIBS"
else
LIBCOB_LIBS="$COMMON_LIBS"
fi
case " $COMMON_LIBS " in
*" -L$libdir "*) COB_LIBS="$COMMON_LIBS -lcob" ;;
*) COB_LIBS="-L$libdir $COMMON_LIBS -lcob" ;;
esac
else
COB_LIBS="-L$libdir -lcob"
fi
if test "x$LDFLAGS" != x; then
if test "x$COB_LDFLAGS" != x; then
COB_LDFLAGS="$COB_LDFLAGS $LDFLAGS"
else
COB_LDFLAGS="$LDFLAGS"
fi
fi
# some math functions (fabs, isnan, isinf) are used in numeric.c
# (all other computations are used from GMP)
#
AC_MSG_NOTICE([Checks for math library ...])
# FIXME - Check for necessary math lib - in most cases they are part of the C library
# for now: explicit pass them to configure via MATH_LIBS
dnl if test "x$MATH_LIBS" = "x"; then
dnl if test "$COB_USES_ICC_ONLY" = yes; then
dnl MATH_LIBS="-limf -lm"
dnl else
dnl curr_libs=$LIBS
dnl AC_SEARCH_LIBS([cos], [m], [], [
dnl AC_MSG_ERROR([unable to find the cos() function])
dnl ])
dnl if test "x$curr_libs" = x; then
dnl MATH_LIBS=$LIBS
dnl else
dnl MATH_LIBS=$(echo "$LIBS" | sed 's#'"$curr_libs"'##')
dnl fi
dnl LIBS=$curr_libs
dnl fi
dnl fi
if test "x$MATH_LIBS" = x; then
AC_MSG_NOTICE([none needed])
else
AC_MSG_NOTICE([using $MATH_LIBS])
case " $LIBCOB_LIBS " in
*" $MATH_LIBS "*) ;;
*) LIBCOB_LIBS="$LIBCOB_LIBS $MATH_LIBS" ;;
esac
fi
dnl Add --enable-code-coverage and test for code-coverage tools if enabled
AX_CODE_COVERAGE
if test "$COB_USES_GCC_NO_ICC" != yes -a "$enable_code_coverage" = yes; then
AC_MSG_ERROR([Code coverage checks are only usable with GCC!])
fi
dnl set PKG_CONFIG to use (cross-compile aware)
PKG_PROG_PKG_CONFIG
# Checks for gmp.
AC_MSG_NOTICE([Checks for GMP/MPIR ...])
AC_ARG_WITH([math],
[AS_HELP_STRING([[--with-math[=ARG]]],
[(GnuCOBOL) Use math multiple precision library, where ARG may be:
check (default), gmp, mpir])],
[case "$with_math" in
gmp | mpir | check)
;;
yes)
with_math=check
;;
no)
AC_MSG_ERROR([cannot build GnuCOBOL without math multiple precision library)])
;;
*)
AC_MSG_ERROR([invalid value "$with_math" for --with-math,
must be one of the following:
gmp, mpir (use only the specified library)
check (use whatever library is usable)])
;;
esac],
[with_math=check])
curr_libs=$LIBS
curr_cppflags=$CPPFLAGS
AS_IF([test "$with_math" = gmp -o "$with_math" = check], [
curr_libs="$LIBS"; curr_cppflags="$CPPFLAGS"
PKG_CHECK_MODULES([GMP], [gmp], [], [
PKG_CHECK_MODULES([GMP], [libgmp], [], [#
])
])
# special case: as included by modules we don't want a single warning (breaks testsuite)
CPPFLAGS="$CPPFLAGS $GMP_CFLAGS $ERRWARN"
if test -z "${GMP_LIBS+x}"; then
GMP_LIBS="-lgmp"
fi
LIBS="$LIBS $LIBCOB_LIBS_extern $GMP_LIBS"
AC_CHECK_HEADERS([gmp.h], [
AC_MSG_CHECKING([whether linking against libgmp with "$GMP_LIBS" works])
AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <gmp.h>]],
[[mpz_t integ; mpz_init (integ);]])],
[AC_MSG_RESULT([yes])
if test -n "$GMP_CFLAGS"; then
curr_cppflags="$curr_cppflags $GMP_CFLAGS" # for the include in cobc generated modules
fi
LIBCOB_LIBS="$LIBCOB_LIBS $GMP_LIBS"
with_math=gmp],
[AC_MSG_RESULT([no])
if test "$with_math" = gmp; then
AC_MSG_ERROR([[GMP is required for --with-math=gmp, you may adjust GMP_LIBS]])
fi
LIBS="$curr_libs"; CPPFLAGS="$curr_cppflags"]
)
], [if test "$with_math" = gmp; then
AC_MSG_ERROR([gmp.h is required for --with-math=gmp, you may adjust GMP_CFLAGS])
fi
LIBS="$curr_libs"; CPPFLAGS="$curr_cppflags"
])
])
AS_IF([test "$with_math" = mpir -o "$with_math" = check], [
# note: currently MPIR does not ship a .pc file, but is expected to follow GMP
curr_libs="$LIBS"; curr_cppflags="$CPPFLAGS"
PKG_CHECK_MODULES([MPIR], [mpir], [], [#
])
# special case: as included by modules we don't want a single warning (breaks testsuite)
CPPFLAGS="$CPPFLAGS $MPIR_CFLAGS $ERRWARN"
if test -z "${MPIR_LIBS+x}"; then
MPIR_LIBS="-lmpir"
fi
LIBS="$LIBS $LIBCOB_LIBS_extern $MPIR_LIBS"
AC_CHECK_HEADERS([mpir.h], [
AC_MSG_CHECKING([whether linking against libmpir with "$MPIR_LIBS" works])
AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <mpir.h>]],
[[mpz_t integ; mpz_init (integ);]])],
[AC_MSG_RESULT([yes])
if test -n "$MPIR_CFLAGS"; then
curr_cppflags="$curr_cppflags $MPIR_CFLAGS" # for the include in cobc generated modules
fi
LIBCOB_LIBS="$LIBCOB_LIBS $MPIR_LIBS"
with_math=mpir],
[AC_MSG_RESULT([no])
if test "$with_math" = mpir; then
AC_MSG_ERROR([[MPIR is required for --with-math=mpir, you may adjust MPIR_LIBS]])
fi
LIBS="$curr_libs"; CPPFLAGS="$curr_cppflags"]
)
], [if test "$with_math" = mpir; then
AC_MSG_ERROR([mpir.h is required for --with-math=mpir, you may adjust MPIR_CFLAGS])
fi
LIBS="$curr_libs"; CPPFLAGS="$curr_cppflags"
])
])
if test "$with_math" = check; then
AC_MSG_FAILURE([neither GMP nor MPIR library are found, but one of those is mandatory])
fi
CPPFLAGS="$CPPFLAGS $ERRWARN"
AC_MSG_CHECKING([matching GMP version])
# Check just major/minor levels between header and library
# get GMP version from lib
AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <stdio.h>
#ifdef _WIN32
#ifndef __GMP_LIBGMP_DLL
#define __GMP_LIBGMP_DLL 1
#endif
#endif
#if defined HAVE_GMP_H
#include <gmp.h>
#elif defined HAVE_MPIR_H
#include <mpir.h>
#endif
int main (int argc, char **argv)
{
(void)argv;
if (argc > 1)
printf ("%s", gmp_version);
return 0;
}
]])],
[COB_GMP_LIB=$(./conftest$ac_exeext x)],
[AC_MSG_ERROR([unable to extract GMP version information from gmp_version])],
[AC_MSG_WARN([matching GMP version assumed])]
COB_GMP_LIB="cross")
if test "x$COB_GMP_LIB" = x; then
AC_MSG_ERROR([unable to extract GMP version information (library)])
fi
# get GMP version from header
AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <stdio.h>
#if defined HAVE_GMP_H
#include <gmp.h>
#elif defined HAVE_MPIR_H
#include <mpir.h>
#endif
int main (int argc, char **argv)
{
(void)argv;
if (argc > 1)
printf ("%d.%d", __GNU_MP_VERSION, __GNU_MP_VERSION_MINOR);
return 0;
}
]])],
[COB_GMP_HEADER=$(./conftest$ac_exeext x)],
[AC_MSG_ERROR([unable to extract GMP version information from header])],
[AC_MSG_WARN([cannot run test program while cross-compiling])
COB_GMP_HEADER="cross-compilation - assumed"])
if test "x$COB_GMP_HEADER" = x; then
AC_MSG_ERROR([unable to extract GMP version information (header)])
fi
COB_GMP_LIB_MAJOR=$(echo "$COB_GMP_LIB" | cut -d. -f1)
COB_GMP_LIB_MINOR=$(echo "$COB_GMP_LIB" | cut -d. -f2)
if test "$COB_GMP_HEADER" = "$COB_GMP_LIB_MAJOR.$COB_GMP_LIB_MINOR" -o "$COB_GMP_LIB" = "cross"; then
AC_MSG_RESULT([yes ($COB_GMP_HEADER)])
else
AC_MSG_RESULT([no (header: $COB_GMP_HEADER / library: $COB_GMP_LIB)])
AC_MSG_FAILURE([unable to use GMP])
fi
AC_CHECK_LIB([$with_math], [__gmp_get_memory_functions],
[AC_DEFINE([HAVE_MP_GET_MEMORY_FUNCTIONS], [1])], [], [])
LIBS="$curr_libs"
CPPFLAGS="$curr_cppflags"
dnl
dnl Configure options part II (needing compilation)
dnl
AC_ARG_WITH([xml2],
[AS_HELP_STRING([--with-xml2],
[(GnuCOBOL) Use libxml2 as XML handler (default)])],
[],
[with_xml2=check])
AC_ARG_VAR([XML2_CONFIG], [path to xml2-config utility, fallback for pkg-config])
AS_IF([test "$with_xml2" = yes -o "$with_xml2" = check], [
PKG_CHECK_MODULES([XML2], [libxml-2.0], [], [
if test -z "${XML2_CFLAGS+x}" -o -z "${XML2_LIBS+x}"; then
AC_PATH_PROG(XML2_CONFIG, xml2-config)
if test -n "$XML2_CONFIG"; then
if test -z "$XML2_CFLAGS"; then
XML2_CFLAGS="$($XML2_CONFIG --cflags)"
fi
if test -z "$XML2_LIBS"; then
XML2_LIBS="$($XML2_CONFIG --libs)"
fi
fi
fi])
curr_libs="$LIBS"; curr_cppflags="$CPPFLAGS"
CPPFLAGS="$CPPFLAGS $XML2_CFLAGS"
if test -z "${XML2_LIBS+x}"; then
XML2_LIBS="-lxml2"
fi
LIBS="$LIBS $LIBCOB_LIBS_extern $XML2_LIBS"
# note: PKG_CONFIG and xml2-config set -I /path/to/libxml2 which contains a "libxml" folder where
# all the files we look for are included
for header in xmlwriter xmlversion uri parser tree; do
AC_CHECK_HEADER([libxml/$header.h], [],
[if test "$with_xml2" = yes; then
AC_MSG_ERROR([headers for libxml2 are required for --with-xml2, you may adjust XML2_CFLAGS])
else
AC_MSG_WARN([headers for libxml2 are missing, you may adjust XML2_CFLAGS])
with_xml2=not_found
break
fi]
)
done
if test "$with_xml2" != "not_found"; then
AX_CHECK_DEFINE([libxml/xmlwriter.h], [LIBXML_WRITER_ENABLED], [],
[if test "$with_xml2" = yes; then
AC_MSG_ERROR([libxml2 is required to be configured with xmlWriter])
else
AC_MSG_WARN([libxml2 is required to be configured with xmlWriter])
with_xml2=not_found
fi]
)
fi
if test "$with_xml2" != "not_found"; then
AC_MSG_CHECKING([whether linking against libxml2 with "$XML2_LIBS" works])
AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <libxml/xmlwriter.h>]],
[[xmlNewTextWriterFilename (NULL, 0);]])],
[AC_DEFINE([WITH_XML2], [1]) AC_MSG_RESULT([yes])
with_xml2=yes
if test -n "$XML2_CFLAGS"; then
LIBCOB_CPPFLAGS="$LIBCOB_CPPFLAGS $XML2_CFLAGS"
fi
LIBCOB_LIBS="$LIBCOB_LIBS $XML2_LIBS"],
[AC_MSG_RESULT([no])
if test "$with_xml2" = yes; then
AC_MSG_ERROR([[xml library is required for --with-xml2, you may adjust XML2_LIBS]])
else
AC_MSG_WARN([xml library not found, you may adjust XML2_LIBS])
with_xml2=not_found
fi])
else
AC_MSG_WARN([Headers for libxml2 missing, you may adjust XML2_CFLAGS])
with_xml2=not_found
fi
LIBS="$curr_libs"; CPPFLAGS="$curr_cppflags"
])
# Checks for cjson/json-c.
AC_MSG_NOTICE([Checks for JSON handler])
AC_ARG_WITH([json],
[AS_HELP_STRING([[--with-json[=ARG]]],
[(GnuCOBOL) Use json library/source as JSON handler, where ARG may be:
check (default), cjson, local, json-c, no])],
[case "$with_json" in
cjson | local | "json-c" | check | no )
USE_JSON="$with_json"