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 ;;
104 # Decide if the ELF assembler should default to generating
105 # GNU Build notes if none are provided by the input.
106 ac_default_generate_build_notes=0
107 # Provide a configuration option to override the default.
108 AC_ARG_ENABLE(generate_build_notes,
109 AS_HELP_STRING([--enable-generate-build-notes],
110 [generate GNU Build notes if none are provided by the input]),
111 [case "${enableval}" in
112 yes) ac_default_generate_build_notes=1 ;;
113 no) ac_default_generate_build_notes=0 ;;
121 # Generate a header file
122 AC_CONFIG_HEADERS(config.h:config.in)
124 dnl Option --with-cpu=TYPE allows configure type control of the default
125 dnl cpu type within the assembler. Currently only the ARC target
126 dnl supports this feature, but others may be added in the future.
128 AS_HELP_STRING([--with-cpu=CPU],
129 [default cpu variant is CPU (currently only supported on ARC)]),
130 [AC_DEFINE_UNQUOTED(TARGET_WITH_CPU,
132 [Target specific CPU.])],
136 AH_VERBATIM([00_CONFIG_H_CHECK],
137 [/* Check that config.h is #included before system headers
138 (this works only for glibc, but that should be enough). */
139 #if defined(__GLIBC__) && !defined(__FreeBSD_kernel__) && !defined(__CONFIG_H__)
140 # error config.h must be #included before system headers
142 #define __CONFIG_H__ 1])
144 # If we are on a DOS filesystem, we must use gdb.ini rather than
147 *-*-msdos* | *-*-go32* | *-*-mingw32* | *-*-windows*)
149 AC_CONFIG_FILES(gdb.ini:gdbinit.in)
153 AC_CONFIG_FILES(.gdbinit:gdbinit.in)
158 #We need this for the host.
163 # Makefile target for installing gas in $(tooldir)/bin.
164 install_tooldir=install-exec-tooldir
168 if test -n "$enable_targets" ; then
169 for t in `echo $enable_targets | sed 's/,/ /g'`; do
170 if test $t = "all"; then
174 result=`$ac_config_sub $t 2>/dev/null`
175 if test -n "$result" ; then
176 canon_targets="$canon_targets $result"
178 # # Permit "all", etc. We don't support it yet though.
179 # canon_targets="$canon_targets $t"
182 GAS_UNIQ(canon_targets)
187 for this_target in $target $canon_targets ; do
190 . ${srcdir}/configure.tgt
192 case ${target_cpu} in
194 AC_DEFINE_UNQUOTED(DEFAULT_CRIS_ARCH, $arch,
195 [Default CRIS architecture.])
199 if test ${this_target} = $target ; then
200 target_cpu_type=${cpu_type}
201 elif test ${target_cpu_type} != ${cpu_type} ; then
205 generic_target=${cpu_type}-${target_vendor}-${target_os}
206 case ${generic_target} in
210 AC_DEFINE(STRICTCOFF, 1, [Using strict COFF?])
214 | x86_64-*-solaris2 \
215 | i386-*-solaris2.[[0-9]] \
216 | i386-*-solaris2.1[[01]] \
217 | x86_64-*-solaris2.1[[01]])
218 if test ${this_target} = $target \
219 && test ${ac_default_x86_relax_relocations} = unset; then
220 ac_default_x86_relax_relocations=0
230 AC_DEFINE(AIX_WEAK_SUPPORT, 1,
231 [Define if using AIX 5.2 value for C_WEAKEXT.])
234 if test ${this_target} = $target; then
235 AC_DEFINE(TARGET_SOLARIS_COMMENT, 1,
236 [Define if default target is PowerPC Solaris.])
238 if test x${endian} = xbig; then
239 AC_MSG_ERROR(Solaris must be configured little endian)
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($target_cpu isn't a supported MIPS CPU name)
326 # See whether it's appropriate to set E_MIPS_ABI_O32 for o32
327 # binaries. It's a GNU extension that some OSes don't understand.
336 # Decide whether to generate 32-bit or 64-bit code by default.
337 # Used to resolve -march=from-abi when an embedded ABI is selected.
339 mips64*-*-* | mipsisa64*-*-*)
346 # Decide which ABI to target by default.
348 mips64*-linux* | mips-sgi-irix6* | mips64*-freebsd* \
349 | mips64*-kfreebsd*-gnu | mips64*-ps2-elf*)
350 mips_default_abi=N32_ABI
352 mips*-linux* | mips*-freebsd* | mips*-kfreebsd*-gnu)
353 mips_default_abi=O32_ABI
356 mips_default_abi=N64_ABI
359 mips_default_abi=NO_ABI
362 AC_DEFINE_UNQUOTED(MIPS_CPU_STRING_DEFAULT, "$mips_cpu",
363 [Default CPU for MIPS targets. ])
364 AC_DEFINE_UNQUOTED(USE_E_MIPS_ABI_O32, $use_e_mips_abi_o32,
365 [Allow use of E_MIPS_ABI_O32 on MIPS targets. ])
366 AC_DEFINE_UNQUOTED(MIPS_DEFAULT_64BIT, $mips_default_64bit,
367 [Generate 64-bit code by default on MIPS targets. ])
368 AC_DEFINE_UNQUOTED(MIPS_DEFAULT_ABI, $mips_default_abi,
369 [Choose a default ABI for MIPS targets. ])
373 # Do we need the opcodes library?
381 case "${enable_shared}" in
382 yes) shared_opcodes=true ;;
383 *opcodes*) shared_opcodes=true ;;
384 *) shared_opcodes=false ;;
389 # Any other special object files needed ?
393 echo ${extra_objects} | grep -s "bfin-parse.o"
394 if test $? -ne 0 ; then
395 extra_objects="$extra_objects bfin-parse.o"
398 echo ${extra_objects} | grep -s "bfin-lex-wrapper.o"
399 if test $? -ne 0 ; then
400 extra_objects="$extra_objects bfin-lex-wrapper.o"
404 epiphany | fr30 | ip2k | iq2000 | lm32 | m32r | or1k)
415 case ${extra_objects} in
417 *) extra_objects="$extra_objects m68k-parse.o" ;;
426 echo ${extra_objects} | grep -s "itbl-parse.o"
427 if test $? -ne 0 ; then
428 extra_objects="$extra_objects itbl-parse.o"
431 echo ${extra_objects} | grep -s "itbl-lex-wrapper.o"
432 if test $? -ne 0 ; then
433 extra_objects="$extra_objects itbl-lex-wrapper.o"
436 echo ${extra_objects} | grep -s "itbl-ops.o"
437 if test $? -ne 0 ; then
438 extra_objects="$extra_objects itbl-ops.o"
447 # Decide BASELINE, REDUCED_REGS, FPU_DP_EXT, FPU_SP_EXT features
448 # based on arch_name.
449 AC_MSG_CHECKING(for default configuration of --with-arch)
450 if test "x${with_arch}" != x; then
452 v2j | v2s | v2f | v2 | v3m | v3j | v3s | v3f | v3 )
453 AC_DEFINE_UNQUOTED(NDS32_DEFAULT_ARCH_NAME, "$with_arch",
454 [Define value for nds32_arch_name])
457 AC_MSG_ERROR(This kind of arch name does *NOT* exist!)
461 AC_MSG_RESULT($with_arch)
463 # Decide features one by one.
464 AC_MSG_CHECKING(for default configuration of --enable-dx-regs)
465 if test "x${enable_dx_regs}" = xyes; then
466 AC_DEFINE(NDS32_DEFAULT_DX_REGS, 1,
467 [Define value for nds32_dx_regs])
469 AC_DEFINE(NDS32_DEFAULT_DX_REGS, 0,
470 [Define default value for nds32_dx_regs])
472 AC_MSG_RESULT($enable_dx_regs)
474 AC_MSG_CHECKING(for default configuration of --enable-perf-ext)
475 if test "x${enable_perf_ext}" = xno; then
476 AC_DEFINE(NDS32_DEFAULT_PERF_EXT, 0,
477 [Define value for nds32_perf_ext])
479 AC_DEFINE(NDS32_DEFAULT_PERF_EXT, 1,
480 [Define default value for nds32_perf_ext])
482 AC_MSG_RESULT($enable_perf_ext)
484 AC_MSG_CHECKING(for default configuration of --enable-perf-ext2)
485 if test "x${enable_perf_ext2}" = xno; then
486 AC_DEFINE(NDS32_DEFAULT_PERF_EXT2, 0,
487 [Define value for nds32_perf_ext2])
489 AC_DEFINE(NDS32_DEFAULT_PERF_EXT2, 1,
490 [Define default value for nds32_perf_ext2])
492 AC_MSG_RESULT($enable_perf_ext2)
494 AC_MSG_CHECKING(for default configuration of --enable-string-ext)
495 if test "x${enable_string_ext}" = xno; then
496 AC_DEFINE(NDS32_DEFAULT_STRING_EXT, 0,
497 [Define value for nds32_string_ext])
499 AC_DEFINE(NDS32_DEFAULT_STRING_EXT, 1,
500 [Define default value for nds32_string_ext])
502 AC_MSG_RESULT($enable_string_ext)
504 AC_MSG_CHECKING(for default configuration of --enable-audio-ext)
505 if test "x${enable_audio_ext}" = xno; then
506 AC_DEFINE(NDS32_DEFAULT_AUDIO_EXT, 0,
507 [Define value for nds32_audio_ext])
509 AC_DEFINE(NDS32_DEFAULT_AUDIO_EXT, 1,
510 [Define default value for nds32_audio_ext])
512 AC_MSG_RESULT($enable_audio_ext)
515 aarch64 | i386 | riscv | s390 | sparc)
516 if test $this_target = $target ; then
517 AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
522 echo ${extra_objects} | grep -s "rl78-parse.o"
523 if test $? -ne 0 ; then
524 extra_objects="$extra_objects rl78-parse.o"
529 echo ${extra_objects} | grep -s "rx-parse.o"
530 if test $? -ne 0 ; then
531 extra_objects="$extra_objects rx-parse.o"
544 echo ${extra_objects} | grep -s "xtensa-relax.o"
545 if test $? -ne 0 ; then
546 extra_objects="$extra_objects xtensa-relax.o"
554 if test $using_cgen = yes ; then
555 case "x${extra_objects}" in
557 *) extra_objects="$extra_objects cgen.o" ;;
561 # See if we really can support this configuration with the emulation code.
563 if test $this_target = $target ; then
569 vms) extra_objects="$extra_objects te-vms.o" ;;
572 # From target name and format, produce a list of supported emulations.
574 case ${generic_target}-${fmt} in
575 mips-*-*-*) case "$endian" in
576 big) emulation="mipsbelf mipslelf mipself" ;;
577 *) emulation="mipslelf mipsbelf mipself" ;;
579 # i386-pc-pe-coff != i386-pc-coff.
581 # Uncommenting the next line will turn on support for i386 AOUT
582 # for the default linux configuration
583 # i386-*-linux*-elf) emulation="i386elf i386aout" ;;
585 i386-*-aout) emulation="i386aout" ;;
586 i386-*-coff) emulation="i386coff" ;;
587 i386-*-elf) emulation="i386elf" ;;
589 # Always all formats. The first stated emulation becomes the default.
590 cris-*-*aout*) emulation="crisaout criself" ;;
591 cris-*-*) emulation="criself crisaout" ;;
594 emulations="$emulations $emulation"
598 if test ${ac_default_x86_relax_relocations} = unset; then
599 ac_default_x86_relax_relocations=1
601 AC_DEFINE_UNQUOTED(DEFAULT_GENERATE_X86_RELAX_RELOCATIONS,
602 $ac_default_x86_relax_relocations,
603 [Define to 1 if you want to generate x86 relax relocations by default.])
605 if test ${ac_default_elf_stt_common} = unset; then
606 ac_default_elf_stt_common=0
608 AC_DEFINE_UNQUOTED(DEFAULT_GENERATE_ELF_STT_COMMON,
609 $ac_default_elf_stt_common,
610 [Define to 1 if you want to generate ELF common symbols with the
611 STT_COMMON type by default.])
613 AC_DEFINE_UNQUOTED(DEFAULT_GENERATE_BUILD_NOTES,
614 $ac_default_generate_build_notes,
615 [Define to 1 if you want to generate GNU Build attribute notes
616 by default, if none are contained in the input.])
618 if test x$ac_default_compressed_debug_sections = xyes ; then
619 AC_DEFINE(DEFAULT_FLAG_COMPRESS_DEBUG, 1, [Define if you want compressed debug sections by default.])
622 # Turn on all targets if possible
623 if test ${all_targets} = "yes"; then
624 case ${target_cpu_type} in
626 case ${obj_format} in
628 emulations="$emulations i386coff i386elf"
631 emulations="$emulations i386aout i386elf"
634 emulations="$emulations i386aout i386coff"
639 case ${obj_format} in
641 emulations="$emulations i386coff i386elf"
644 emulations="$emulations i386aout i386elf"
647 emulations="$emulations i386aout i386coff"
654 # PE code has way too many macros tweaking behaviour
656 pe*) emulations="" ;;
659 # Assign floating point type. Most processors with FP support
660 # IEEE FP. On those that don't support FP at all, usually IEEE
662 case ${target_cpu} in
663 vax | pdp11 ) atof=vax ;;
667 case "${obj_format}" in
668 "") AC_MSG_ERROR(GAS does not know what format to use for target ${target}) ;;
671 # Unfortunately the cpu in cpu-opc.h file isn't always $(TARGET_CPU).
673 if test $using_cgen = yes ; then
674 case ${target_cpu} in
676 cgen_cpu_prefix=or1k ;;
677 *) cgen_cpu_prefix=${target_cpu} ;;
679 AC_SUBST(cgen_cpu_prefix)
680 AC_DEFINE(USING_CGEN, 1, [Using cgen code?])
684 dnl Make sure the desired support files exist.
687 if test ! -r ${srcdir}/config/tc-${target_cpu_type}.c; then
688 AC_MSG_ERROR(GAS does not support target CPU ${target_cpu_type})
691 if test ! -r ${srcdir}/config/obj-${obj_format}.c; then
692 AC_MSG_ERROR(GAS does not have support for object file format ${obj_format})
695 # Some COFF configurations want these random other flags set.
696 case ${obj_format} in
698 case ${target_cpu_type} in
699 i386) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
700 x86_64) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
705 # Getting this done right is going to be a bitch. Each configuration specified
706 # with --enable-targets=... should be checked for environment, format, cpu
709 # For each configuration, the necessary object file support code must be linked
710 # in. This might be only one, it might be up to four. The necessary emulation
711 # code needs to be provided, too.
713 # And then there's "--enable-targets=all"....
715 # For now, just always do it for MIPS ELF configurations. Sigh.
717 formats="${obj_format}"
721 for em in . $emulations ; do
724 mipsbelf | mipslelf | mipself)
725 fmt=elf file=mipself ;;
733 formats="$formats $fmt"
734 emfiles="$emfiles e-$file.o"
735 EMULATIONS="$EMULATIONS &$em,"
739 if test `set . $formats ; shift ; echo $#` -gt 1 ; then
740 for fmt in $formats ; do
742 aout) AC_DEFINE(OBJ_MAYBE_AOUT, 1, [a.out support?]) ;;
743 coff) AC_DEFINE(OBJ_MAYBE_COFF, 1, [COFF support?]) ;;
744 ecoff) AC_DEFINE(OBJ_MAYBE_ECOFF, 1, [ECOFF support?]) ;;
745 elf) AC_DEFINE(OBJ_MAYBE_ELF, 1, [ELF support?]) ;;
746 generic) AC_DEFINE(OBJ_MAYBE_GENERIC, 1, [generic support?]) ;;
747 som) AC_DEFINE(OBJ_MAYBE_SOM, 1, [SOM support?]) ;;
749 extra_objects="$extra_objects obj-$fmt.o"
753 if test `set . $emfiles ; shift ; echo $#` -gt 0 ; then
754 DEFAULT_EMULATION=`set . $emulations ; echo $2`
755 # e-mipself has more than one emulation per file, e-i386* has just one at the
756 # moment. If only one emulation is specified, then don't define
757 # USE_EMULATIONS or include any of the e-files as they will only be bloat.
758 case "${obj_format}${emfiles}" in
760 extra_objects="$extra_objects $emfiles"
761 AC_DEFINE(USE_EMULATIONS, 1, [Use emulation support?]) ;;
764 AC_SUBST(extra_objects)
765 AC_DEFINE_UNQUOTED(EMULATIONS, $EMULATIONS, [Supported emulations.])
766 AC_DEFINE_UNQUOTED(DEFAULT_EMULATION, "$DEFAULT_EMULATION",
767 [Default emulation.])
769 reject_dev_configs=yes
771 case ${reject_dev_configs}-${dev} in
773 AC_MSG_ERROR(GAS does not support the ${generic_target} configuration.)
777 AC_SUBST(target_cpu_type)
780 AC_SUBST(install_tooldir)
782 dnl AC_SUBST(emulation)
784 # do we need the opcodes library?
785 case "${need_opcodes}" in
787 OPCODES_LIB=../opcodes/libopcodes.la
791 AC_SUBST(OPCODES_LIB)
793 AC_DEFINE_UNQUOTED(TARGET_ALIAS, "${target_alias}", [Target alias.])
794 AC_DEFINE_UNQUOTED(TARGET_CANONICAL, "${target}", [Canonical target.])
795 AC_DEFINE_UNQUOTED(TARGET_CPU, "${target_cpu}", [Target CPU.])
796 AC_DEFINE_UNQUOTED(TARGET_VENDOR, "${target_vendor}", [Target vendor.])
797 AC_DEFINE_UNQUOTED(TARGET_OS, "${target_os}", [Target OS.])
802 ALL_LINGUAS="es fi fr id ja ru rw sv tr uk zh_CN"
803 ZW_GNU_GETTEXT_SISTER_DIR
807 AM_CONDITIONAL(GENINSRC_NEVER, false)
810 AC_CHECK_HEADERS(string.h stdlib.h memory.h strings.h unistd.h errno.h sys/types.h limits.h locale.h time.h sys/stat.h)
813 # Put this here so that autoconf's "cross-compiling" message doesn't confuse
814 # people who are not cross-compiling but are compiling cross-assemblers.
815 AC_MSG_CHECKING(whether compiling a cross-assembler)
816 if test "${host}" = "${target}"; then
820 AC_DEFINE(CROSS_COMPILE, 1, [Compiling cross-assembler?])
822 AC_MSG_RESULT($cross_gas)
824 dnl ansidecl.h will deal with const
829 # VMS doesn't have unlink.
830 AC_CHECK_FUNCS(unlink remove, break)
831 AC_CHECK_FUNCS(sbrk setlocale)
832 AC_CHECK_FUNCS(strsignal)
836 # do we need the math library?
837 case "${need_libm}" in
844 # Some non-ANSI preprocessors botch requoting inside strings. That's bad
845 # enough, but on some of those systems, the assert macro relies on requoting
849 # On some systems, the system header files may not declare malloc, realloc,
850 # and free. There are places where gas needs these functions to have been
851 # declared -- such as when taking their addresses.
859 #ifdef HAVE_STRINGS_H
871 # Does errno.h declare errno, or do we have to add a separate declaration
873 GAS_CHECK_DECL_NEEDED(errno, f, int f, [
879 AC_MSG_CHECKING(for a known getopt prototype in unistd.h)
880 AC_CACHE_VAL(gas_cv_decl_getopt_unistd_h,
881 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);])],
882 gas_cv_decl_getopt_unistd_h=yes, gas_cv_decl_getopt_unistd_h=no)])
883 AC_MSG_RESULT($gas_cv_decl_getopt_unistd_h)
884 if test $gas_cv_decl_getopt_unistd_h = yes; then
885 AC_DEFINE([HAVE_DECL_GETOPT], 1,
886 [Is the prototype for getopt in <unistd.h> in the expected format?])
889 GAS_CHECK_DECL_NEEDED(environ, f, char **f, $gas_test_headers)
890 GAS_CHECK_DECL_NEEDED(ffs, f, int (*f)(int), $gas_test_headers)
891 GAS_CHECK_DECL_NEEDED(free, f, void (*f)(), $gas_test_headers)
892 GAS_CHECK_DECL_NEEDED(malloc, f, char *(*f)(), $gas_test_headers)
893 GAS_CHECK_DECL_NEEDED(sbrk, f, char *(*f)(), $gas_test_headers)
894 GAS_CHECK_DECL_NEEDED(strstr, f, char *(*f)(), $gas_test_headers)
896 AC_CHECK_DECLS([free, getenv, malloc, mempcpy, realloc, stpcpy, strstr, vsnprintf, asprintf])
900 # Link in zlib if we can. This allows us to write compressed debug sections.
903 # Support for VMS timestamps via cross compile
905 if test "$ac_cv_header_time_h" = yes; then
906 GAS_HAVE_TIME_TYPE_MEMBER(struct tm, tm_gmtoff)
909 if test "$ac_cv_header_sys_stat_h" = yes; then
910 GAS_HAVE_SYS_STAT_TYPE_MEMBER(struct stat, st_mtim, tv_sec)
911 GAS_HAVE_SYS_STAT_TYPE_MEMBER(struct stat, st_mtim, tv_nsec)
915 dnl Required for html, pdf, install-pdf and install-html targets.
916 AC_SUBST(datarootdir)
921 dnl This must come last.
923 dnl We used to make symlinks to files in the source directory, but now
924 dnl we just use the right name for .c files, and create .h files in
925 dnl the build directory which include the right .h file. Make sure
926 dnl the old symlinks don't exist, so that a reconfigure in an existing
927 dnl directory behaves reasonably.
929 AC_CONFIG_FILES(Makefile doc/Makefile po/Makefile.in:po/Make-in)
930 AC_CONFIG_COMMANDS([default],
931 [rm -f targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c itbl-cpu.h
932 echo '#include "tc-'"${target_cpu_type}"'.h"' > targ-cpu.h
933 echo '#include "obj-'"${obj_format}"'.h"' > obj-format.h
934 echo '#include "te-'"${te_file}"'.h"' > targ-env.h
935 echo '#include "itbl-'"${target_cpu_type}"'.h"' > itbl-cpu.h
936 if test "x$cgen_cpu_prefix" != x ; then
937 echo '#include "opcodes/'"${cgen_cpu_prefix}"'-desc.h"' > cgen-desc.h
939 [target_cpu_type=${target_cpu_type}
940 cgen_cpu_prefix=${cgen_cpu_prefix}
941 obj_format=${obj_format}