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) 2012-2017 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. BOUT header is in host order.
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
194 if test ${this_target} = $target; then
195 AC_DEFINE(SCO_ELF, 1, [Define if defaulting to ELF on SCO 5.])
202 AC_DEFINE(STRICTCOFF, 1, [Using strict COFF?])
206 | x86_64-*-solaris2 \
207 | i386-*-solaris2.[[0-9]] \
208 | i386-*-solaris2.1[[01]] \
209 | x86_64-*-solaris2.1[[01]])
210 if test ${this_target} = $target \
211 && test ${ac_default_x86_relax_relocations} = unset; then
212 ac_default_x86_relax_relocations=0
217 AC_MSG_WARN(GAS support for ${generic_target} is preliminary and a work in progress)
226 AC_DEFINE(AIX_WEAK_SUPPORT, 1,
227 [Define if using AIX 5.2 value for C_WEAKEXT.])
230 if test ${this_target} = $target; then
231 AC_DEFINE(TARGET_SOLARIS_COMMENT, 1,
232 [Define if default target is PowerPC Solaris.])
234 if test x${endian} = xbig; then
235 AC_MSG_ERROR(Solaris must be configured little endian)
240 AC_DEFINE(TARGET_SYMBIAN, 1, [Define if target is Symbian OS.])
244 if test ${this_target} = $target ; then
246 if test x${endian} = xbig; then
248 elif test x${endian} = xlittle; then
251 if test x${endian_def} != x; then
252 AC_DEFINE_UNQUOTED(TARGET_BYTES_BIG_ENDIAN, $endian_def,
253 [Define as 1 if big endian.])
257 # Other random stuff.
261 # Set mips_cpu to the name of the default CPU.
262 case ${target_cpu} in
263 mips | mipsbe | mipseb | mipsle | mipsel | mips64 | mips64el)
266 mipsisa32 | mipsisa32el)
269 mipsisa32r2 | mipsisa32r2el)
272 mipsisa32r3 | mipsisa32r3el)
275 mipsisa32r5 | mipsisa32r5el)
278 mipsisa32r6 | mipsisa32r6el)
281 mipsisa64 | mipsisa64el)
284 mipsisa64r2 | mipsisa64r2el)
287 mipsisa64r3 | mipsisa64r3el)
290 mipsisa64r5 | mipsisa64r5el)
293 mipsisa64r6 | mipsisa64r6el)
296 mipstx39 | mipstx39el)
299 mips64vr | mips64vrel)
302 mipsisa32r2* | mipsisa64r2*)
304 mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..r2//' -e 's/el$//'`
307 mipsisa32r6* | mipsisa64r6*)
309 mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..r6//' -e 's/el$//'`
312 mips64* | mipsisa64* | mipsisa32*)
314 mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..//' -e 's/el$//'`
319 mips_cpu=`echo $target_cpu | sed -e 's/^mips//' -e 's/el$//'`
323 AC_MSG_ERROR($target_cpu isn't a supported MIPS CPU name)
326 # See whether it's appropriate to set E_MIPS_ABI_O32 for o32
327 # binaries. It's a GNU extension that some OSes don't understand.
336 # Decide whether to generate 32-bit or 64-bit code by default.
337 # Used to resolve -march=from-abi when an embedded ABI is selected.
339 mips64*-*-* | mipsisa64*-*-*)
346 # Decide which ABI to target by default.
348 mips64*-linux* | mips-sgi-irix6* | mips64*-freebsd* | mips64*-kfreebsd*-gnu)
349 mips_default_abi=N32_ABI
351 mips*-linux* | mips*-freebsd* | mips*-kfreebsd*-gnu)
352 mips_default_abi=O32_ABI
355 mips_default_abi=N64_ABI
358 mips_default_abi=NO_ABI
361 AC_DEFINE_UNQUOTED(MIPS_CPU_STRING_DEFAULT, "$mips_cpu",
362 [Default CPU for MIPS targets. ])
363 AC_DEFINE_UNQUOTED(USE_E_MIPS_ABI_O32, $use_e_mips_abi_o32,
364 [Allow use of E_MIPS_ABI_O32 on MIPS targets. ])
365 AC_DEFINE_UNQUOTED(MIPS_DEFAULT_64BIT, $mips_default_64bit,
366 [Generate 64-bit code by default on MIPS targets. ])
367 AC_DEFINE_UNQUOTED(MIPS_DEFAULT_ABI, $mips_default_abi,
368 [Choose a default ABI for MIPS targets. ])
372 # Do we need the opcodes library?
380 case "${enable_shared}" in
381 yes) shared_opcodes=true ;;
382 *opcodes*) shared_opcodes=true ;;
383 *) shared_opcodes=false ;;
388 # Any other special object files needed ?
392 echo ${extra_objects} | grep -s "bfin-parse.o"
393 if test $? -ne 0 ; then
394 extra_objects="$extra_objects bfin-parse.o"
397 echo ${extra_objects} | grep -s "bfin-lex-wrapper.o"
398 if test $? -ne 0 ; then
399 extra_objects="$extra_objects bfin-lex-wrapper.o"
403 epiphany | fr30 | ip2k | iq2000 | lm32 | m32r | or1k)
414 case ${extra_objects} in
416 *) extra_objects="$extra_objects m68k-parse.o" ;;
425 echo ${extra_objects} | grep -s "itbl-parse.o"
426 if test $? -ne 0 ; then
427 extra_objects="$extra_objects itbl-parse.o"
430 echo ${extra_objects} | grep -s "itbl-lex-wrapper.o"
431 if test $? -ne 0 ; then
432 extra_objects="$extra_objects itbl-lex-wrapper.o"
435 echo ${extra_objects} | grep -s "itbl-ops.o"
436 if test $? -ne 0 ; then
437 extra_objects="$extra_objects itbl-ops.o"
446 # Decide BASELINE, REDUCED_REGS, FPU_DP_EXT, FPU_SP_EXT features
447 # based on arch_name.
448 AC_MSG_CHECKING(for default configuration of --with-arch)
449 if test "x${with_arch}" != x; then
451 v2j | v2s | v2f | v2 | v3m | v3j | v3s | v3f | v3 )
452 AC_DEFINE_UNQUOTED(NDS32_DEFAULT_ARCH_NAME, "$with_arch",
453 [Define value for nds32_arch_name])
456 AC_MSG_ERROR(This kind of arch name does *NOT* exist!)
460 AC_MSG_RESULT($with_arch)
462 # Decide features one by one.
463 AC_MSG_CHECKING(for default configuration of --enable-dx-regs)
464 if test "x${enable_dx_regs}" = xyes; then
465 AC_DEFINE(NDS32_DEFAULT_DX_REGS, 1,
466 [Define value for nds32_dx_regs])
468 AC_DEFINE(NDS32_DEFAULT_DX_REGS, 0,
469 [Define default value for nds32_dx_regs])
471 AC_MSG_RESULT($enable_dx_regs)
473 AC_MSG_CHECKING(for default configuration of --enable-perf-ext)
474 if test "x${enable_perf_ext}" = xno; then
475 AC_DEFINE(NDS32_DEFAULT_PERF_EXT, 0,
476 [Define value for nds32_perf_ext])
478 AC_DEFINE(NDS32_DEFAULT_PERF_EXT, 1,
479 [Define default value for nds32_perf_ext])
481 AC_MSG_RESULT($enable_perf_ext)
483 AC_MSG_CHECKING(for default configuration of --enable-perf-ext2)
484 if test "x${enable_perf_ext2}" = xno; then
485 AC_DEFINE(NDS32_DEFAULT_PERF_EXT2, 0,
486 [Define value for nds32_perf_ext2])
488 AC_DEFINE(NDS32_DEFAULT_PERF_EXT2, 1,
489 [Define default value for nds32_perf_ext2])
491 AC_MSG_RESULT($enable_perf_ext2)
493 AC_MSG_CHECKING(for default configuration of --enable-string-ext)
494 if test "x${enable_string_ext}" = xno; then
495 AC_DEFINE(NDS32_DEFAULT_STRING_EXT, 0,
496 [Define value for nds32_string_ext])
498 AC_DEFINE(NDS32_DEFAULT_STRING_EXT, 1,
499 [Define default value for nds32_string_ext])
501 AC_MSG_RESULT($enable_string_ext)
503 AC_MSG_CHECKING(for default configuration of --enable-audio-ext)
504 if test "x${enable_audio_ext}" = xno; then
505 AC_DEFINE(NDS32_DEFAULT_AUDIO_EXT, 0,
506 [Define value for nds32_audio_ext])
508 AC_DEFINE(NDS32_DEFAULT_AUDIO_EXT, 1,
509 [Define default value for nds32_audio_ext])
511 AC_MSG_RESULT($enable_audio_ext)
514 aarch64 | i386 | riscv | s390 | sparc)
515 if test $this_target = $target ; then
516 AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
521 echo ${extra_objects} | grep -s "rl78-parse.o"
522 if test $? -ne 0 ; then
523 extra_objects="$extra_objects rl78-parse.o"
528 echo ${extra_objects} | grep -s "rx-parse.o"
529 if test $? -ne 0 ; then
530 extra_objects="$extra_objects rx-parse.o"
543 echo ${extra_objects} | grep -s "xtensa-relax.o"
544 if test $? -ne 0 ; then
545 extra_objects="$extra_objects xtensa-relax.o"
553 if test $using_cgen = yes ; then
554 case "x${extra_objects}" in
556 *) extra_objects="$extra_objects cgen.o" ;;
560 # See if we really can support this configuration with the emulation code.
562 if test $this_target = $target ; then
568 vms) extra_objects="$extra_objects te-vms.o" ;;
571 # From target name and format, produce a list of supported emulations.
573 case ${generic_target}-${fmt} in
574 mips-*-*-*) case "$endian" in
575 big) emulation="mipsbelf mipslelf mipself" ;;
576 *) emulation="mipslelf mipsbelf mipself" ;;
578 # i386-pc-pe-coff != i386-pc-coff.
580 # Uncommenting the next line will turn on support for i386 AOUT
581 # for the default linux configuration
582 # i386-*-linux*-elf) emulation="i386elf i386aout" ;;
584 i386-*-aout) emulation="i386aout" ;;
585 i386-*-coff) emulation="i386coff" ;;
586 i386-*-elf) emulation="i386elf" ;;
588 # Always all formats. The first stated emulation becomes the default.
589 cris-*-*aout*) emulation="crisaout criself" ;;
590 cris-*-*) emulation="criself crisaout" ;;
593 emulations="$emulations $emulation"
597 if test ${ac_default_x86_relax_relocations} = unset; then
598 ac_default_x86_relax_relocations=1
600 AC_DEFINE_UNQUOTED(DEFAULT_GENERATE_X86_RELAX_RELOCATIONS,
601 $ac_default_x86_relax_relocations,
602 [Define to 1 if you want to generate x86 relax relocations by default.])
604 if test ${ac_default_elf_stt_common} = unset; then
605 ac_default_elf_stt_common=0
607 AC_DEFINE_UNQUOTED(DEFAULT_GENERATE_ELF_STT_COMMON,
608 $ac_default_elf_stt_common,
609 [Define to 1 if you want to generate ELF common symbols with the
610 STT_COMMON type by default.])
612 if test x$ac_default_compressed_debug_sections = xyes ; then
613 AC_DEFINE(DEFAULT_FLAG_COMPRESS_DEBUG, 1, [Define if you want compressed debug sections by default.])
616 # Turn on all targets if possible
617 if test ${all_targets} = "yes"; then
618 case ${target_cpu_type} in
620 case ${obj_format} in
622 emulations="$emulations i386coff i386elf"
625 emulations="$emulations i386aout i386elf"
628 emulations="$emulations i386aout i386coff"
633 case ${obj_format} in
635 emulations="$emulations i386coff i386elf"
638 emulations="$emulations i386aout i386elf"
641 emulations="$emulations i386aout i386coff"
648 # PE code has way too many macros tweaking behaviour
650 pe*) emulations="" ;;
653 # Assign floating point type. Most processors with FP support
654 # IEEE FP. On those that don't support FP at all, usually IEEE
656 case ${target_cpu} in
657 vax | pdp11 ) atof=vax ;;
661 case "${obj_format}" in
662 "") AC_MSG_ERROR(GAS does not know what format to use for target ${target}) ;;
665 # Unfortunately the cpu in cpu-opc.h file isn't always $(TARGET_CPU).
667 if test $using_cgen = yes ; then
668 case ${target_cpu} in
670 cgen_cpu_prefix=or1k ;;
671 *) cgen_cpu_prefix=${target_cpu} ;;
673 AC_SUBST(cgen_cpu_prefix)
674 AC_DEFINE(USING_CGEN, 1, [Using cgen code?])
678 dnl Make sure the desired support files exist.
681 if test ! -r ${srcdir}/config/tc-${target_cpu_type}.c; then
682 AC_MSG_ERROR(GAS does not support target CPU ${target_cpu_type})
685 if test ! -r ${srcdir}/config/obj-${obj_format}.c; then
686 AC_MSG_ERROR(GAS does not have support for object file format ${obj_format})
689 # Some COFF configurations want these random other flags set.
690 case ${obj_format} in
692 case ${target_cpu_type} in
693 i386) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
694 m68k) AC_DEFINE(M68KCOFF, 1, [Using m68k COFF?]) ;;
695 m88k) AC_DEFINE(M88KCOFF, 1, [Using m88k COFF?]) ;;
696 x86_64) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
701 # Getting this done right is going to be a bitch. Each configuration specified
702 # with --enable-targets=... should be checked for environment, format, cpu
705 # For each configuration, the necessary object file support code must be linked
706 # in. This might be only one, it might be up to four. The necessary emulation
707 # code needs to be provided, too.
709 # And then there's "--enable-targets=all"....
711 # For now, just always do it for MIPS ELF configurations. Sigh.
713 formats="${obj_format}"
717 for em in . $emulations ; do
720 mipsbelf | mipslelf | mipself)
721 fmt=elf file=mipself ;;
729 formats="$formats $fmt"
730 emfiles="$emfiles e-$file.o"
731 EMULATIONS="$EMULATIONS &$em,"
735 if test `set . $formats ; shift ; echo $#` -gt 1 ; then
736 for fmt in $formats ; do
738 aout) AC_DEFINE(OBJ_MAYBE_AOUT, 1, [a.out support?]) ;;
739 bout) AC_DEFINE(OBJ_MAYBE_BOUT, 1, [b.out support?]) ;;
740 coff) AC_DEFINE(OBJ_MAYBE_COFF, 1, [COFF support?]) ;;
741 ecoff) AC_DEFINE(OBJ_MAYBE_ECOFF, 1, [ECOFF support?]) ;;
742 elf) AC_DEFINE(OBJ_MAYBE_ELF, 1, [ELF support?]) ;;
743 generic) AC_DEFINE(OBJ_MAYBE_GENERIC, 1, [generic support?]) ;;
744 som) AC_DEFINE(OBJ_MAYBE_SOM, 1, [SOM support?]) ;;
746 extra_objects="$extra_objects obj-$fmt.o"
750 if test `set . $emfiles ; shift ; echo $#` -gt 0 ; then
751 DEFAULT_EMULATION=`set . $emulations ; echo $2`
752 # e-mipself has more than one emulation per file, e-i386* has just one at the
753 # moment. If only one emulation is specified, then don't define
754 # USE_EMULATIONS or include any of the e-files as they will only be bloat.
755 case "${obj_format}${emfiles}" in
757 extra_objects="$extra_objects $emfiles"
758 AC_DEFINE(USE_EMULATIONS, 1, [Use emulation support?]) ;;
761 AC_SUBST(extra_objects)
762 AC_DEFINE_UNQUOTED(EMULATIONS, $EMULATIONS, [Supported emulations.])
763 AC_DEFINE_UNQUOTED(DEFAULT_EMULATION, "$DEFAULT_EMULATION",
764 [Default emulation.])
766 reject_dev_configs=yes
768 case ${reject_dev_configs}-${dev} in
770 AC_MSG_ERROR(GAS does not support the ${generic_target} configuration.)
774 AC_SUBST(target_cpu_type)
777 AC_SUBST(install_tooldir)
779 dnl AC_SUBST(emulation)
781 # do we need the opcodes library?
782 case "${need_opcodes}" in
784 OPCODES_LIB=../opcodes/libopcodes.la
788 AC_SUBST(OPCODES_LIB)
790 AC_DEFINE_UNQUOTED(TARGET_ALIAS, "${target_alias}", [Target alias.])
791 AC_DEFINE_UNQUOTED(TARGET_CANONICAL, "${target}", [Canonical target.])
792 AC_DEFINE_UNQUOTED(TARGET_CPU, "${target_cpu}", [Target CPU.])
793 AC_DEFINE_UNQUOTED(TARGET_VENDOR, "${target_vendor}", [Target vendor.])
794 AC_DEFINE_UNQUOTED(TARGET_OS, "${target_os}", [Target OS.])
799 ALL_LINGUAS="fr tr es rw id ru fi ja zh_CN sv"
800 ZW_GNU_GETTEXT_SISTER_DIR
804 AM_CONDITIONAL(GENINSRC_NEVER, false)
807 AC_CHECK_HEADERS(string.h stdlib.h memory.h strings.h unistd.h errno.h sys/types.h limits.h locale.h time.h sys/stat.h)
810 # Put this here so that autoconf's "cross-compiling" message doesn't confuse
811 # people who are not cross-compiling but are compiling cross-assemblers.
812 AC_MSG_CHECKING(whether compiling a cross-assembler)
813 if test "${host}" = "${target}"; then
817 AC_DEFINE(CROSS_COMPILE, 1, [Compiling cross-assembler?])
819 AC_MSG_RESULT($cross_gas)
821 dnl ansidecl.h will deal with const
826 # VMS doesn't have unlink.
827 AC_CHECK_FUNCS(unlink remove, break)
828 AC_CHECK_FUNCS(sbrk setlocale)
829 AC_CHECK_FUNCS(strsignal)
833 # do we need the math library?
834 case "${need_libm}" in
841 # Some non-ANSI preprocessors botch requoting inside strings. That's bad
842 # enough, but on some of those systems, the assert macro relies on requoting
846 # On some systems, the system header files may not declare malloc, realloc,
847 # and free. There are places where gas needs these functions to have been
848 # declared -- such as when taking their addresses.
856 #ifdef HAVE_STRINGS_H
868 # Does errno.h declare errno, or do we have to add a separate declaration
870 GAS_CHECK_DECL_NEEDED(errno, f, int f, [
876 AC_MSG_CHECKING(for a known getopt prototype in unistd.h)
877 AC_CACHE_VAL(gas_cv_decl_getopt_unistd_h,
878 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);])],
879 gas_cv_decl_getopt_unistd_h=yes, gas_cv_decl_getopt_unistd_h=no)])
880 AC_MSG_RESULT($gas_cv_decl_getopt_unistd_h)
881 if test $gas_cv_decl_getopt_unistd_h = yes; then
882 AC_DEFINE([HAVE_DECL_GETOPT], 1,
883 [Is the prototype for getopt in <unistd.h> in the expected format?])
886 GAS_CHECK_DECL_NEEDED(environ, f, char **f, $gas_test_headers)
887 GAS_CHECK_DECL_NEEDED(ffs, f, int (*f)(int), $gas_test_headers)
888 GAS_CHECK_DECL_NEEDED(free, f, void (*f)(), $gas_test_headers)
889 GAS_CHECK_DECL_NEEDED(malloc, f, char *(*f)(), $gas_test_headers)
890 GAS_CHECK_DECL_NEEDED(sbrk, f, char *(*f)(), $gas_test_headers)
891 GAS_CHECK_DECL_NEEDED(strstr, f, char *(*f)(), $gas_test_headers)
893 AC_CHECK_DECLS([free, getenv, malloc, mempcpy, realloc, stpcpy, strstr, vsnprintf, asprintf])
897 # Link in zlib if we can. This allows us to write compressed debug sections.
900 # Support for VMS timestamps via cross compile
902 if test "$ac_cv_header_time_h" = yes; then
903 GAS_HAVE_TIME_TYPE_MEMBER(struct tm, tm_gmtoff)
906 if test "$ac_cv_header_sys_stat_h" = yes; then
907 GAS_HAVE_SYS_STAT_TYPE_MEMBER(struct stat, st_mtim, tv_sec)
908 GAS_HAVE_SYS_STAT_TYPE_MEMBER(struct stat, st_mtim, tv_nsec)
912 dnl Required for html, pdf, install-pdf and install-html targets.
913 AC_SUBST(datarootdir)
918 dnl This must come last.
920 dnl We used to make symlinks to files in the source directory, but now
921 dnl we just use the right name for .c files, and create .h files in
922 dnl the build directory which include the right .h file. Make sure
923 dnl the old symlinks don't exist, so that a reconfigure in an existing
924 dnl directory behaves reasonably.
926 AC_CONFIG_FILES(Makefile doc/Makefile po/Makefile.in:po/Make-in)
927 AC_CONFIG_COMMANDS([default],
928 [rm -f targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c itbl-cpu.h
929 echo '#include "tc-'"${target_cpu_type}"'.h"' > targ-cpu.h
930 echo '#include "obj-'"${obj_format}"'.h"' > obj-format.h
931 echo '#include "te-'"${te_file}"'.h"' > targ-env.h
932 echo '#include "itbl-'"${target_cpu_type}"'.h"' > itbl-cpu.h
933 if test "x$cgen_cpu_prefix" != x ; then
934 echo '#include "opcodes/'"${cgen_cpu_prefix}"'-desc.h"' > cgen-desc.h
936 [target_cpu_type=${target_cpu_type}
937 cgen_cpu_prefix=${cgen_cpu_prefix}
938 obj_format=${obj_format}