1 dnl Process this file with autoconf to produce a configure script.
3 dnl And be careful when changing it! If you must add tests with square
4 dnl brackets, be sure changequote invocations surround it.
6 dnl Copyright (C) 2012-2018 Free Software Foundation, Inc.
8 dnl This file is free software; you can redistribute it and/or modify
9 dnl it under the terms of the GNU General Public License as published by
10 dnl the Free Software Foundation; either version 3 of the License, or
11 dnl (at your option) any later version.
13 dnl This program is distributed in the hope that it will be useful,
14 dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
15 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 dnl GNU General Public License for more details.
18 dnl You should have received a copy of the GNU General Public License
19 dnl along with this program; see the file COPYING3. If not see
20 dnl <http://www.gnu.org/licenses/>.
22 dnl v2.5 needed for --bindir et al
24 m4_include([../bfd/version.m4])
25 AC_INIT([gas], BFD_VERSION)
26 AC_CONFIG_SRCDIR(as.h)
28 dnl Autoconf 2.57 will find the aux dir without this. However, unless
29 dnl we specify this explicitly, automake-1.7 will assume that ylwrap is in
30 dnl gas/ instead of gas/../.
39 AC_USE_SYSTEM_EXTENSIONS
43 ACX_PROG_CMP_IGNORE_INITIAL
45 AC_ARG_ENABLE(targets,
46 [ --enable-targets alternative target configurations besides the primary],
47 [case "${enableval}" in
48 yes | "") AC_MSG_ERROR(enable-targets option must specify target names or 'all')
50 no) enable_targets= ;;
51 *) enable_targets=$enableval ;;
55 if grep '^RELEASE=y' ${srcdir}/../bfd/Makefile.am >/dev/null 2>/dev/null ; then
58 AC_ARG_ENABLE(checking,
59 [ --enable-checking enable run-time checks],
60 [case "${enableval}" in
61 no|none) ac_checking= ;;
64 if test x$ac_checking != x ; then
65 AC_DEFINE(ENABLE_CHECKING, 1, [Define if you want run-time sanity checks.])
69 # Decide the default method for compressing debug sections.
70 ac_default_compressed_debug_sections=unset
71 # Provide a configure time option to override our default.
72 AC_ARG_ENABLE(compressed_debug_sections,
73 AS_HELP_STRING([--enable-compressed-debug-sections={all,gas,none}],
74 [compress debug sections by default]),
75 [case ,"${enableval}", in
76 ,yes, | ,all, | *,gas,*) ac_default_compressed_debug_sections=yes ;;
77 ,no, | ,none,) ac_default_compressed_debug_sections=no ;;
78 *) ac_default_compressed_debug_sections=unset ;;
82 # Decide if x86 assembler should generate relax relocations.
83 ac_default_x86_relax_relocations=unset
84 # Provide a configure time option to override our default.
85 AC_ARG_ENABLE(x86_relax_relocations,
86 AS_HELP_STRING([--enable-x86-relax-relocations],
87 [generate x86 relax relocations by default]),
88 [case "${enableval}" in
89 no) ac_default_x86_relax_relocations=0 ;;
92 # Decide if ELF assembler should generate common symbols with the
94 ac_default_elf_stt_common=unset
95 # Provide a configure time option to override our default.
96 AC_ARG_ENABLE(elf_stt_common,
97 AS_HELP_STRING([--enable-elf-stt-common],
98 [generate ELF common symbols with STT_COMMON type by default]),
99 [case "${enableval}" in
100 yes) ac_default_elf_stt_common=1 ;;
107 # Generate a header file
108 AC_CONFIG_HEADERS(config.h:config.in)
110 dnl Option --with-cpu=TYPE allows configure type control of the default
111 dnl cpu type within the assembler. Currently only the ARC target
112 dnl supports this feature, but others may be added in the future.
114 AS_HELP_STRING([--with-cpu=CPU],
115 [default cpu variant is CPU (currently only supported on ARC)]),
116 [AC_DEFINE_UNQUOTED(TARGET_WITH_CPU,
118 [Target specific CPU.])],
122 AH_VERBATIM([00_CONFIG_H_CHECK],
123 [/* Check that config.h is #included before system headers
124 (this works only for glibc, but that should be enough). */
125 #if defined(__GLIBC__) && !defined(__FreeBSD_kernel__) && !defined(__CONFIG_H__)
126 # error config.h must be #included before system headers
128 #define __CONFIG_H__ 1])
130 # If we are on a DOS filesystem, we must use gdb.ini rather than
133 *-*-msdos* | *-*-go32* | *-*-mingw32* | *-*-windows*)
135 AC_CONFIG_FILES(gdb.ini:gdbinit.in)
139 AC_CONFIG_FILES(.gdbinit:gdbinit.in)
144 #We need this for the host.
149 # Makefile target for installing gas in $(tooldir)/bin.
150 install_tooldir=install-exec-tooldir
154 if test -n "$enable_targets" ; then
155 for t in `echo $enable_targets | sed 's/,/ /g'`; do
156 if test $t = "all"; then
160 result=`$ac_config_sub $t 2>/dev/null`
161 if test -n "$result" ; then
162 canon_targets="$canon_targets $result"
164 # # Permit "all", etc. We don't support it yet though.
165 # canon_targets="$canon_targets $t"
168 GAS_UNIQ(canon_targets)
173 for this_target in $target $canon_targets ; do
176 . ${srcdir}/configure.tgt
178 case ${target_cpu} in
180 AC_DEFINE_UNQUOTED(DEFAULT_CRIS_ARCH, $arch,
181 [Default CRIS architecture.])
185 if test ${this_target} = $target ; then
186 target_cpu_type=${cpu_type}
187 elif test ${target_cpu_type} != ${cpu_type} ; then
191 generic_target=${cpu_type}-${target_vendor}-${target_os}
192 case ${generic_target} in
196 AC_DEFINE(STRICTCOFF, 1, [Using strict COFF?])
200 | x86_64-*-solaris2 \
201 | i386-*-solaris2.[[0-9]] \
202 | i386-*-solaris2.1[[01]] \
203 | x86_64-*-solaris2.1[[01]])
204 if test ${this_target} = $target \
205 && test ${ac_default_x86_relax_relocations} = unset; then
206 ac_default_x86_relax_relocations=0
216 AC_DEFINE(AIX_WEAK_SUPPORT, 1,
217 [Define if using AIX 5.2 value for C_WEAKEXT.])
220 if test ${this_target} = $target; then
221 AC_DEFINE(TARGET_SOLARIS_COMMENT, 1,
222 [Define if default target is PowerPC Solaris.])
224 if test x${endian} = xbig; then
225 AC_MSG_ERROR(Solaris must be configured little endian)
230 if test ${this_target} = $target ; then
232 if test x${endian} = xbig; then
234 elif test x${endian} = xlittle; then
237 if test x${endian_def} != x; then
238 AC_DEFINE_UNQUOTED(TARGET_BYTES_BIG_ENDIAN, $endian_def,
239 [Define as 1 if big endian.])
243 # Other random stuff.
247 # Set mips_cpu to the name of the default CPU.
248 case ${target_cpu} in
249 mips | mipsbe | mipseb | mipsle | mipsel | mips64 | mips64el)
252 mipsisa32 | mipsisa32el)
255 mipsisa32r2 | mipsisa32r2el)
258 mipsisa32r3 | mipsisa32r3el)
261 mipsisa32r5 | mipsisa32r5el)
264 mipsisa32r6 | mipsisa32r6el)
267 mipsisa64 | mipsisa64el)
270 mipsisa64r2 | mipsisa64r2el)
273 mipsisa64r3 | mipsisa64r3el)
276 mipsisa64r5 | mipsisa64r5el)
279 mipsisa64r6 | mipsisa64r6el)
282 mipstx39 | mipstx39el)
285 mips64vr | mips64vrel)
288 mipsisa32r2* | mipsisa64r2*)
290 mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..r2//' -e 's/el$//'`
293 mipsisa32r6* | mipsisa64r6*)
295 mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..r6//' -e 's/el$//'`
298 mips64* | mipsisa64* | mipsisa32*)
300 mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..//' -e 's/el$//'`
305 mips_cpu=`echo $target_cpu | sed -e 's/^mips//' -e 's/el$//'`
309 AC_MSG_ERROR($target_cpu isn't a supported MIPS CPU name)
312 # See whether it's appropriate to set E_MIPS_ABI_O32 for o32
313 # binaries. It's a GNU extension that some OSes don't understand.
322 # Decide whether to generate 32-bit or 64-bit code by default.
323 # Used to resolve -march=from-abi when an embedded ABI is selected.
325 mips64*-*-* | mipsisa64*-*-*)
332 # Decide which ABI to target by default.
334 mips64*-linux* | mips-sgi-irix6* | mips64*-freebsd* \
335 | mips64*-kfreebsd*-gnu | mips64*-ps2-elf*)
336 mips_default_abi=N32_ABI
338 mips*-linux* | mips*-freebsd* | mips*-kfreebsd*-gnu)
339 mips_default_abi=O32_ABI
342 mips_default_abi=N64_ABI
345 mips_default_abi=NO_ABI
348 AC_DEFINE_UNQUOTED(MIPS_CPU_STRING_DEFAULT, "$mips_cpu",
349 [Default CPU for MIPS targets. ])
350 AC_DEFINE_UNQUOTED(USE_E_MIPS_ABI_O32, $use_e_mips_abi_o32,
351 [Allow use of E_MIPS_ABI_O32 on MIPS targets. ])
352 AC_DEFINE_UNQUOTED(MIPS_DEFAULT_64BIT, $mips_default_64bit,
353 [Generate 64-bit code by default on MIPS targets. ])
354 AC_DEFINE_UNQUOTED(MIPS_DEFAULT_ABI, $mips_default_abi,
355 [Choose a default ABI for MIPS targets. ])
359 # Do we need the opcodes library?
367 case "${enable_shared}" in
368 yes) shared_opcodes=true ;;
369 *opcodes*) shared_opcodes=true ;;
370 *) shared_opcodes=false ;;
375 # Any other special object files needed ?
379 echo ${extra_objects} | grep -s "bfin-parse.o"
380 if test $? -ne 0 ; then
381 extra_objects="$extra_objects bfin-parse.o"
384 echo ${extra_objects} | grep -s "bfin-lex-wrapper.o"
385 if test $? -ne 0 ; then
386 extra_objects="$extra_objects bfin-lex-wrapper.o"
390 epiphany | fr30 | ip2k | iq2000 | lm32 | m32r | or1k)
401 case ${extra_objects} in
403 *) extra_objects="$extra_objects m68k-parse.o" ;;
412 echo ${extra_objects} | grep -s "itbl-parse.o"
413 if test $? -ne 0 ; then
414 extra_objects="$extra_objects itbl-parse.o"
417 echo ${extra_objects} | grep -s "itbl-lex-wrapper.o"
418 if test $? -ne 0 ; then
419 extra_objects="$extra_objects itbl-lex-wrapper.o"
422 echo ${extra_objects} | grep -s "itbl-ops.o"
423 if test $? -ne 0 ; then
424 extra_objects="$extra_objects itbl-ops.o"
433 # Decide BASELINE, REDUCED_REGS, FPU_DP_EXT, FPU_SP_EXT features
434 # based on arch_name.
435 AC_MSG_CHECKING(for default configuration of --with-arch)
436 if test "x${with_arch}" != x; then
438 v2j | v2s | v2f | v2 | v3m | v3j | v3s | v3f | v3 )
439 AC_DEFINE_UNQUOTED(NDS32_DEFAULT_ARCH_NAME, "$with_arch",
440 [Define value for nds32_arch_name])
443 AC_MSG_ERROR(This kind of arch name does *NOT* exist!)
447 AC_MSG_RESULT($with_arch)
449 # Decide features one by one.
450 AC_MSG_CHECKING(for default configuration of --enable-dx-regs)
451 if test "x${enable_dx_regs}" = xyes; then
452 AC_DEFINE(NDS32_DEFAULT_DX_REGS, 1,
453 [Define value for nds32_dx_regs])
455 AC_DEFINE(NDS32_DEFAULT_DX_REGS, 0,
456 [Define default value for nds32_dx_regs])
458 AC_MSG_RESULT($enable_dx_regs)
460 AC_MSG_CHECKING(for default configuration of --enable-perf-ext)
461 if test "x${enable_perf_ext}" = xno; then
462 AC_DEFINE(NDS32_DEFAULT_PERF_EXT, 0,
463 [Define value for nds32_perf_ext])
465 AC_DEFINE(NDS32_DEFAULT_PERF_EXT, 1,
466 [Define default value for nds32_perf_ext])
468 AC_MSG_RESULT($enable_perf_ext)
470 AC_MSG_CHECKING(for default configuration of --enable-perf-ext2)
471 if test "x${enable_perf_ext2}" = xno; then
472 AC_DEFINE(NDS32_DEFAULT_PERF_EXT2, 0,
473 [Define value for nds32_perf_ext2])
475 AC_DEFINE(NDS32_DEFAULT_PERF_EXT2, 1,
476 [Define default value for nds32_perf_ext2])
478 AC_MSG_RESULT($enable_perf_ext2)
480 AC_MSG_CHECKING(for default configuration of --enable-string-ext)
481 if test "x${enable_string_ext}" = xno; then
482 AC_DEFINE(NDS32_DEFAULT_STRING_EXT, 0,
483 [Define value for nds32_string_ext])
485 AC_DEFINE(NDS32_DEFAULT_STRING_EXT, 1,
486 [Define default value for nds32_string_ext])
488 AC_MSG_RESULT($enable_string_ext)
490 AC_MSG_CHECKING(for default configuration of --enable-audio-ext)
491 if test "x${enable_audio_ext}" = xno; then
492 AC_DEFINE(NDS32_DEFAULT_AUDIO_EXT, 0,
493 [Define value for nds32_audio_ext])
495 AC_DEFINE(NDS32_DEFAULT_AUDIO_EXT, 1,
496 [Define default value for nds32_audio_ext])
498 AC_MSG_RESULT($enable_audio_ext)
501 aarch64 | i386 | riscv | s390 | sparc)
502 if test $this_target = $target ; then
503 AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
508 echo ${extra_objects} | grep -s "rl78-parse.o"
509 if test $? -ne 0 ; then
510 extra_objects="$extra_objects rl78-parse.o"
515 echo ${extra_objects} | grep -s "rx-parse.o"
516 if test $? -ne 0 ; then
517 extra_objects="$extra_objects rx-parse.o"
530 echo ${extra_objects} | grep -s "xtensa-relax.o"
531 if test $? -ne 0 ; then
532 extra_objects="$extra_objects xtensa-relax.o"
540 if test $using_cgen = yes ; then
541 case "x${extra_objects}" in
543 *) extra_objects="$extra_objects cgen.o" ;;
547 # See if we really can support this configuration with the emulation code.
549 if test $this_target = $target ; then
555 vms) extra_objects="$extra_objects te-vms.o" ;;
558 # From target name and format, produce a list of supported emulations.
560 case ${generic_target}-${fmt} in
561 mips-*-*-*) case "$endian" in
562 big) emulation="mipsbelf mipslelf mipself" ;;
563 *) emulation="mipslelf mipsbelf mipself" ;;
565 # i386-pc-pe-coff != i386-pc-coff.
567 # Uncommenting the next line will turn on support for i386 AOUT
568 # for the default linux configuration
569 # i386-*-linux*-elf) emulation="i386elf i386aout" ;;
571 i386-*-aout) emulation="i386aout" ;;
572 i386-*-coff) emulation="i386coff" ;;
573 i386-*-elf) emulation="i386elf" ;;
575 # Always all formats. The first stated emulation becomes the default.
576 cris-*-*aout*) emulation="crisaout criself" ;;
577 cris-*-*) emulation="criself crisaout" ;;
580 emulations="$emulations $emulation"
584 if test ${ac_default_x86_relax_relocations} = unset; then
585 ac_default_x86_relax_relocations=1
587 AC_DEFINE_UNQUOTED(DEFAULT_GENERATE_X86_RELAX_RELOCATIONS,
588 $ac_default_x86_relax_relocations,
589 [Define to 1 if you want to generate x86 relax relocations by default.])
591 if test ${ac_default_elf_stt_common} = unset; then
592 ac_default_elf_stt_common=0
594 AC_DEFINE_UNQUOTED(DEFAULT_GENERATE_ELF_STT_COMMON,
595 $ac_default_elf_stt_common,
596 [Define to 1 if you want to generate ELF common symbols with the
597 STT_COMMON type by default.])
599 if test x$ac_default_compressed_debug_sections = xyes ; then
600 AC_DEFINE(DEFAULT_FLAG_COMPRESS_DEBUG, 1, [Define if you want compressed debug sections by default.])
603 # Turn on all targets if possible
604 if test ${all_targets} = "yes"; then
605 case ${target_cpu_type} in
607 case ${obj_format} in
609 emulations="$emulations i386coff i386elf"
612 emulations="$emulations i386aout i386elf"
615 emulations="$emulations i386aout i386coff"
620 case ${obj_format} in
622 emulations="$emulations i386coff i386elf"
625 emulations="$emulations i386aout i386elf"
628 emulations="$emulations i386aout i386coff"
635 # PE code has way too many macros tweaking behaviour
637 pe*) emulations="" ;;
640 # Assign floating point type. Most processors with FP support
641 # IEEE FP. On those that don't support FP at all, usually IEEE
643 case ${target_cpu} in
644 vax | pdp11 ) atof=vax ;;
648 case "${obj_format}" in
649 "") AC_MSG_ERROR(GAS does not know what format to use for target ${target}) ;;
652 # Unfortunately the cpu in cpu-opc.h file isn't always $(TARGET_CPU).
654 if test $using_cgen = yes ; then
655 case ${target_cpu} in
657 cgen_cpu_prefix=or1k ;;
658 *) cgen_cpu_prefix=${target_cpu} ;;
660 AC_SUBST(cgen_cpu_prefix)
661 AC_DEFINE(USING_CGEN, 1, [Using cgen code?])
665 dnl Make sure the desired support files exist.
668 if test ! -r ${srcdir}/config/tc-${target_cpu_type}.c; then
669 AC_MSG_ERROR(GAS does not support target CPU ${target_cpu_type})
672 if test ! -r ${srcdir}/config/obj-${obj_format}.c; then
673 AC_MSG_ERROR(GAS does not have support for object file format ${obj_format})
676 # Some COFF configurations want these random other flags set.
677 case ${obj_format} in
679 case ${target_cpu_type} in
680 i386) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
681 x86_64) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
686 # Getting this done right is going to be a bitch. Each configuration specified
687 # with --enable-targets=... should be checked for environment, format, cpu
690 # For each configuration, the necessary object file support code must be linked
691 # in. This might be only one, it might be up to four. The necessary emulation
692 # code needs to be provided, too.
694 # And then there's "--enable-targets=all"....
696 # For now, just always do it for MIPS ELF configurations. Sigh.
698 formats="${obj_format}"
702 for em in . $emulations ; do
705 mipsbelf | mipslelf | mipself)
706 fmt=elf file=mipself ;;
714 formats="$formats $fmt"
715 emfiles="$emfiles e-$file.o"
716 EMULATIONS="$EMULATIONS &$em,"
720 if test `set . $formats ; shift ; echo $#` -gt 1 ; then
721 for fmt in $formats ; do
723 aout) AC_DEFINE(OBJ_MAYBE_AOUT, 1, [a.out support?]) ;;
724 coff) AC_DEFINE(OBJ_MAYBE_COFF, 1, [COFF support?]) ;;
725 ecoff) AC_DEFINE(OBJ_MAYBE_ECOFF, 1, [ECOFF support?]) ;;
726 elf) AC_DEFINE(OBJ_MAYBE_ELF, 1, [ELF support?]) ;;
727 generic) AC_DEFINE(OBJ_MAYBE_GENERIC, 1, [generic support?]) ;;
728 som) AC_DEFINE(OBJ_MAYBE_SOM, 1, [SOM support?]) ;;
730 extra_objects="$extra_objects obj-$fmt.o"
734 if test `set . $emfiles ; shift ; echo $#` -gt 0 ; then
735 DEFAULT_EMULATION=`set . $emulations ; echo $2`
736 # e-mipself has more than one emulation per file, e-i386* has just one at the
737 # moment. If only one emulation is specified, then don't define
738 # USE_EMULATIONS or include any of the e-files as they will only be bloat.
739 case "${obj_format}${emfiles}" in
741 extra_objects="$extra_objects $emfiles"
742 AC_DEFINE(USE_EMULATIONS, 1, [Use emulation support?]) ;;
745 AC_SUBST(extra_objects)
746 AC_DEFINE_UNQUOTED(EMULATIONS, $EMULATIONS, [Supported emulations.])
747 AC_DEFINE_UNQUOTED(DEFAULT_EMULATION, "$DEFAULT_EMULATION",
748 [Default emulation.])
750 reject_dev_configs=yes
752 case ${reject_dev_configs}-${dev} in
754 AC_MSG_ERROR(GAS does not support the ${generic_target} configuration.)
758 AC_SUBST(target_cpu_type)
761 AC_SUBST(install_tooldir)
763 dnl AC_SUBST(emulation)
765 # do we need the opcodes library?
766 case "${need_opcodes}" in
768 OPCODES_LIB=../opcodes/libopcodes.la
772 AC_SUBST(OPCODES_LIB)
774 AC_DEFINE_UNQUOTED(TARGET_ALIAS, "${target_alias}", [Target alias.])
775 AC_DEFINE_UNQUOTED(TARGET_CANONICAL, "${target}", [Canonical target.])
776 AC_DEFINE_UNQUOTED(TARGET_CPU, "${target_cpu}", [Target CPU.])
777 AC_DEFINE_UNQUOTED(TARGET_VENDOR, "${target_vendor}", [Target vendor.])
778 AC_DEFINE_UNQUOTED(TARGET_OS, "${target_os}", [Target OS.])
783 ALL_LINGUAS="es fi fr id ja ru rw sv tr uk zh_CN"
784 ZW_GNU_GETTEXT_SISTER_DIR
788 AM_CONDITIONAL(GENINSRC_NEVER, false)
791 AC_CHECK_HEADERS(string.h stdlib.h memory.h strings.h unistd.h errno.h sys/types.h limits.h locale.h time.h sys/stat.h)
794 # Put this here so that autoconf's "cross-compiling" message doesn't confuse
795 # people who are not cross-compiling but are compiling cross-assemblers.
796 AC_MSG_CHECKING(whether compiling a cross-assembler)
797 if test "${host}" = "${target}"; then
801 AC_DEFINE(CROSS_COMPILE, 1, [Compiling cross-assembler?])
803 AC_MSG_RESULT($cross_gas)
805 dnl ansidecl.h will deal with const
810 # VMS doesn't have unlink.
811 AC_CHECK_FUNCS(unlink remove, break)
812 AC_CHECK_FUNCS(sbrk setlocale)
813 AC_CHECK_FUNCS(strsignal)
817 # do we need the math library?
818 case "${need_libm}" in
825 # Some non-ANSI preprocessors botch requoting inside strings. That's bad
826 # enough, but on some of those systems, the assert macro relies on requoting
830 # On some systems, the system header files may not declare malloc, realloc,
831 # and free. There are places where gas needs these functions to have been
832 # declared -- such as when taking their addresses.
840 #ifdef HAVE_STRINGS_H
852 # Does errno.h declare errno, or do we have to add a separate declaration
854 GAS_CHECK_DECL_NEEDED(errno, f, int f, [
860 AC_MSG_CHECKING(for a known getopt prototype in unistd.h)
861 AC_CACHE_VAL(gas_cv_decl_getopt_unistd_h,
862 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);])],
863 gas_cv_decl_getopt_unistd_h=yes, gas_cv_decl_getopt_unistd_h=no)])
864 AC_MSG_RESULT($gas_cv_decl_getopt_unistd_h)
865 if test $gas_cv_decl_getopt_unistd_h = yes; then
866 AC_DEFINE([HAVE_DECL_GETOPT], 1,
867 [Is the prototype for getopt in <unistd.h> in the expected format?])
870 GAS_CHECK_DECL_NEEDED(environ, f, char **f, $gas_test_headers)
871 GAS_CHECK_DECL_NEEDED(ffs, f, int (*f)(int), $gas_test_headers)
872 GAS_CHECK_DECL_NEEDED(free, f, void (*f)(), $gas_test_headers)
873 GAS_CHECK_DECL_NEEDED(malloc, f, char *(*f)(), $gas_test_headers)
874 GAS_CHECK_DECL_NEEDED(sbrk, f, char *(*f)(), $gas_test_headers)
875 GAS_CHECK_DECL_NEEDED(strstr, f, char *(*f)(), $gas_test_headers)
877 AC_CHECK_DECLS([free, getenv, malloc, mempcpy, realloc, stpcpy, strstr, vsnprintf, asprintf])
881 # Link in zlib if we can. This allows us to write compressed debug sections.
884 # Support for VMS timestamps via cross compile
886 if test "$ac_cv_header_time_h" = yes; then
887 GAS_HAVE_TIME_TYPE_MEMBER(struct tm, tm_gmtoff)
890 if test "$ac_cv_header_sys_stat_h" = yes; then
891 GAS_HAVE_SYS_STAT_TYPE_MEMBER(struct stat, st_mtim, tv_sec)
892 GAS_HAVE_SYS_STAT_TYPE_MEMBER(struct stat, st_mtim, tv_nsec)
896 dnl Required for html, pdf, install-pdf and install-html targets.
897 AC_SUBST(datarootdir)
902 dnl This must come last.
904 dnl We used to make symlinks to files in the source directory, but now
905 dnl we just use the right name for .c files, and create .h files in
906 dnl the build directory which include the right .h file. Make sure
907 dnl the old symlinks don't exist, so that a reconfigure in an existing
908 dnl directory behaves reasonably.
910 AC_CONFIG_FILES(Makefile doc/Makefile po/Makefile.in:po/Make-in)
911 AC_CONFIG_COMMANDS([default],
912 [rm -f targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c itbl-cpu.h
913 echo '#include "tc-'"${target_cpu_type}"'.h"' > targ-cpu.h
914 echo '#include "obj-'"${obj_format}"'.h"' > obj-format.h
915 echo '#include "te-'"${te_file}"'.h"' > targ-env.h
916 echo '#include "itbl-'"${target_cpu_type}"'.h"' > itbl-cpu.h
917 if test "x$cgen_cpu_prefix" != x ; then
918 echo '#include "opcodes/'"${cgen_cpu_prefix}"'-desc.h"' > cgen-desc.h
920 [target_cpu_type=${target_cpu_type}
921 cgen_cpu_prefix=${cgen_cpu_prefix}
922 obj_format=${obj_format}