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
23 m4_include([../bfd/version.m4])
24 AC_INIT([gas], BFD_VERSION)
25 AC_CONFIG_SRCDIR(as.h)
27 dnl Autoconf 2.57 will find the aux dir without this. However, unless
28 dnl we specify this explicitly, automake-1.7 will assume that ylwrap is in
29 dnl gas/ instead of gas/../.
38 AC_USE_SYSTEM_EXTENSIONS
42 ACX_PROG_CMP_IGNORE_INITIAL
44 AC_ARG_ENABLE(targets,
45 [ --enable-targets alternative target configurations besides the primary],
46 [case "${enableval}" in
47 yes | "") AC_MSG_ERROR(enable-targets option must specify target names or 'all')
49 no) enable_targets= ;;
50 *) enable_targets=$enableval ;;
54 if grep '^RELEASE=y' ${srcdir}/../bfd/Makefile.am >/dev/null 2>/dev/null ; then
57 AC_ARG_ENABLE(checking,
58 [ --enable-checking enable run-time checks],
59 [case "${enableval}" in
60 no|none) ac_checking= ;;
63 if test x$ac_checking != x ; then
64 AC_DEFINE(ENABLE_CHECKING, 1, [Define if you want run-time sanity checks.])
68 # Decide the default method for compressing debug sections.
69 ac_default_compressed_debug_sections=unset
70 # Provide a configure time option to override our default.
71 AC_ARG_ENABLE(compressed_debug_sections,
72 AS_HELP_STRING([--enable-compressed-debug-sections={all,gas,none}],
73 [compress debug sections by default]),
74 [case ,"${enableval}", in
75 ,yes, | ,all, | *,gas,*) ac_default_compressed_debug_sections=yes ;;
76 ,no, | ,none,) ac_default_compressed_debug_sections=no ;;
77 *) ac_default_compressed_debug_sections=unset ;;
81 # Decide if x86 assembler should generate relax relocations.
82 ac_default_x86_relax_relocations=unset
83 # Provide a configure time option to override our default.
84 AC_ARG_ENABLE(x86_relax_relocations,
85 AS_HELP_STRING([--enable-x86-relax-relocations],
86 [generate x86 relax relocations by default]),
87 [case "${enableval}" in
88 no) ac_default_x86_relax_relocations=0 ;;
91 # Decide if ELF assembler should generate common symbols with the
93 ac_default_elf_stt_common=unset
94 # Provide a configure time option to override our default.
95 AC_ARG_ENABLE(elf_stt_common,
96 AS_HELP_STRING([--enable-elf-stt-common],
97 [generate ELF common symbols with STT_COMMON type by default]),
98 [case "${enableval}" in
99 yes) ac_default_elf_stt_common=1 ;;
103 # Decide if the ELF assembler should default to generating
104 # GNU Build notes if none are provided by the input.
105 ac_default_generate_build_notes=0
106 # Provide a configuration option to override the default.
107 AC_ARG_ENABLE(generate_build_notes,
108 AS_HELP_STRING([--enable-generate-build-notes],
109 [generate GNU Build notes if none are provided by the input]),
110 [case "${enableval}" in
111 yes) ac_default_generate_build_notes=1 ;;
112 no) ac_default_generate_build_notes=0 ;;
116 # Decide if the x86 ELF assembler should default to generating GNU x86
117 # used ISA and feature properties.
118 ac_default_generate_x86_used_note=unset
119 # Provide a configuration option to override the default.
120 AC_ARG_ENABLE(x86-used-note,
121 AS_HELP_STRING([--enable-x86-used-note],
122 [generate GNU x86 used ISA and feature properties]),
123 [case "${enableval}" in
124 yes) ac_default_generate_x86_used_note=1 ;;
125 no) ac_default_generate_x86_used_note=0 ;;
133 # Generate a header file
134 AC_CONFIG_HEADERS(config.h:config.in)
136 dnl Option --with-cpu=TYPE allows configure type control of the default
137 dnl cpu type within the assembler. Currently only the ARC target
138 dnl supports this feature, but others may be added in the future.
140 AS_HELP_STRING([--with-cpu=CPU],
141 [default cpu variant is CPU (currently only supported on ARC)]),
142 [AC_DEFINE_UNQUOTED(TARGET_WITH_CPU,
144 [Target specific CPU.])],
148 AH_VERBATIM([00_CONFIG_H_CHECK],
149 [/* Check that config.h is #included before system headers
150 (this works only for glibc, but that should be enough). */
151 #if defined(__GLIBC__) && !defined(__FreeBSD_kernel__) && !defined(__CONFIG_H__)
152 # error config.h must be #included before system headers
154 #define __CONFIG_H__ 1])
156 # If we are on a DOS filesystem, we must use gdb.ini rather than
159 *-*-msdos* | *-*-go32* | *-*-mingw32* | *-*-windows*)
161 AC_CONFIG_FILES(gdb.ini:gdbinit.in)
165 AC_CONFIG_FILES(.gdbinit:gdbinit.in)
170 #We need this for the host.
175 # Makefile target for installing gas in $(tooldir)/bin.
176 install_tooldir=install-exec-tooldir
180 if test -n "$enable_targets" ; then
181 for t in `echo $enable_targets | sed 's/,/ /g'`; do
182 if test $t = "all"; then
186 result=`$ac_config_sub $t 2>/dev/null`
187 if test -n "$result" ; then
188 canon_targets="$canon_targets $result"
190 # # Permit "all", etc. We don't support it yet though.
191 # canon_targets="$canon_targets $t"
194 GAS_UNIQ(canon_targets)
199 for this_target in $target $canon_targets ; do
202 . ${srcdir}/configure.tgt
204 case ${target_cpu} in
206 AC_DEFINE_UNQUOTED(DEFAULT_CRIS_ARCH, $arch,
207 [Default CRIS architecture.])
211 if test ${this_target} = $target ; then
212 target_cpu_type=${cpu_type}
213 elif test ${target_cpu_type} != ${cpu_type} ; then
217 generic_target=${cpu_type}-${target_vendor}-${target_os}
218 case ${generic_target} in
222 AC_DEFINE(STRICTCOFF, 1, [Using strict COFF?])
226 | x86_64-*-solaris2 \
227 | i386-*-solaris2.[[0-9]] \
228 | i386-*-solaris2.1[[01]] \
229 | x86_64-*-solaris2.1[[01]])
230 if test ${this_target} = $target \
231 && test ${ac_default_x86_relax_relocations} = unset; then
232 ac_default_x86_relax_relocations=0
242 AC_DEFINE(AIX_WEAK_SUPPORT, 1,
243 [Define if using AIX 5.2 value for C_WEAKEXT.])
246 if test ${this_target} = $target; then
247 AC_DEFINE(TARGET_SOLARIS_COMMENT, 1,
248 [Define if default target is PowerPC Solaris.])
250 if test x${endian} = xbig; then
251 AC_MSG_ERROR(Solaris must be configured little endian)
256 if test ${this_target} = $target ; then
258 if test x${endian} = xbig; then
260 elif test x${endian} = xlittle; then
263 if test x${endian_def} != x; then
264 AC_DEFINE_UNQUOTED(TARGET_BYTES_BIG_ENDIAN, $endian_def,
265 [Define as 1 if big endian.])
269 # Other random stuff.
273 # Set mips_cpu to the name of the default CPU.
274 case ${target_cpu} in
275 mips | mipsbe | mipseb | mipsle | mipsel | mips64 | mips64el)
278 mipsisa32 | mipsisa32el)
281 mipsisa32r2 | mipsisa32r2el)
284 mipsisa32r3 | mipsisa32r3el)
287 mipsisa32r5 | mipsisa32r5el)
290 mipsisa32r6 | mipsisa32r6el)
293 mipsisa64 | mipsisa64el)
296 mipsisa64r2 | mipsisa64r2el)
299 mipsisa64r3 | mipsisa64r3el)
302 mipsisa64r5 | mipsisa64r5el)
305 mipsisa64r6 | mipsisa64r6el)
308 mipstx39 | mipstx39el)
311 mips64vr | mips64vrel)
314 mipsisa32r2* | mipsisa64r2*)
316 mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..r2//' -e 's/el$//'`
319 mipsisa32r6* | mipsisa64r6*)
321 mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..r6//' -e 's/el$//'`
324 mips64* | mipsisa64* | mipsisa32*)
326 mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..//' -e 's/el$//'`
331 mips_cpu=`echo $target_cpu | sed -e 's/^mips//' -e 's/el$//'`
335 AC_MSG_ERROR($target_cpu isn't a supported MIPS CPU name)
338 # See whether it's appropriate to set E_MIPS_ABI_O32 for o32
339 # binaries. It's a GNU extension that some OSes don't understand.
348 # Decide whether to generate 32-bit or 64-bit code by default.
349 # Used to resolve -march=from-abi when an embedded ABI is selected.
351 mips64*-*-* | mipsisa64*-*-*)
358 # Decide which ABI to target by default.
360 mips64*-linux* | mips-sgi-irix6* | mips64*-freebsd* \
361 | mips64*-kfreebsd*-gnu | mips64*-ps2-elf*)
362 mips_default_abi=N32_ABI
364 mips*-linux* | mips*-freebsd* | mips*-kfreebsd*-gnu)
365 mips_default_abi=O32_ABI
368 mips_default_abi=N64_ABI
371 mips_default_abi=NO_ABI
374 AC_DEFINE_UNQUOTED(MIPS_CPU_STRING_DEFAULT, "$mips_cpu",
375 [Default CPU for MIPS targets. ])
376 AC_DEFINE_UNQUOTED(USE_E_MIPS_ABI_O32, $use_e_mips_abi_o32,
377 [Allow use of E_MIPS_ABI_O32 on MIPS targets. ])
378 AC_DEFINE_UNQUOTED(MIPS_DEFAULT_64BIT, $mips_default_64bit,
379 [Generate 64-bit code by default on MIPS targets. ])
380 AC_DEFINE_UNQUOTED(MIPS_DEFAULT_ABI, $mips_default_abi,
381 [Choose a default ABI for MIPS targets. ])
385 # Do we need the opcodes library?
393 case "${enable_shared}" in
394 yes) shared_opcodes=true ;;
395 *opcodes*) shared_opcodes=true ;;
396 *) shared_opcodes=false ;;
401 # Any other special object files needed ?
405 for f in bfin-parse.o bfin-lex-wrapper.o; do
406 case " $extra_objects " in
408 *) extra_objects="$extra_objects $f" ;;
413 epiphany | fr30 | ip2k | iq2000 | lm32 | m32r | or1k)
425 case " $extra_objects " in
427 *) extra_objects="$extra_objects $f" ;;
436 for f in itbl-parse.o itbl-lex-wrapper.o itbl-ops.o; do
437 case " $extra_objects " in
439 *) extra_objects="$extra_objects $f" ;;
449 # Decide BASELINE, REDUCED_REGS, FPU_DP_EXT, FPU_SP_EXT features
450 # based on arch_name.
451 AC_MSG_CHECKING(for default configuration of --with-arch)
452 if test "x${with_arch}" != x; then
454 v2j | v2s | v2f | v2 | v3m | v3j | v3s | v3f | v3 )
455 AC_DEFINE_UNQUOTED(NDS32_DEFAULT_ARCH_NAME, "$with_arch",
456 [Define value for nds32_arch_name])
459 AC_MSG_ERROR(This kind of arch name does *NOT* exist!)
463 AC_MSG_RESULT($with_arch)
465 # Decide features one by one.
466 AC_MSG_CHECKING(for default configuration of --enable-dx-regs)
467 if test "x${enable_dx_regs}" = xyes; then
468 AC_DEFINE(NDS32_DEFAULT_DX_REGS, 1,
469 [Define value for nds32_dx_regs])
471 AC_DEFINE(NDS32_DEFAULT_DX_REGS, 0,
472 [Define default value for nds32_dx_regs])
474 AC_MSG_RESULT($enable_dx_regs)
476 AC_MSG_CHECKING(for default configuration of --enable-perf-ext)
477 if test "x${enable_perf_ext}" = xno; then
478 AC_DEFINE(NDS32_DEFAULT_PERF_EXT, 0,
479 [Define value for nds32_perf_ext])
481 AC_DEFINE(NDS32_DEFAULT_PERF_EXT, 1,
482 [Define default value for nds32_perf_ext])
484 AC_MSG_RESULT($enable_perf_ext)
486 AC_MSG_CHECKING(for default configuration of --enable-perf-ext2)
487 if test "x${enable_perf_ext2}" = xno; then
488 AC_DEFINE(NDS32_DEFAULT_PERF_EXT2, 0,
489 [Define value for nds32_perf_ext2])
491 AC_DEFINE(NDS32_DEFAULT_PERF_EXT2, 1,
492 [Define default value for nds32_perf_ext2])
494 AC_MSG_RESULT($enable_perf_ext2)
496 AC_MSG_CHECKING(for default configuration of --enable-string-ext)
497 if test "x${enable_string_ext}" = xno; then
498 AC_DEFINE(NDS32_DEFAULT_STRING_EXT, 0,
499 [Define value for nds32_string_ext])
501 AC_DEFINE(NDS32_DEFAULT_STRING_EXT, 1,
502 [Define default value for nds32_string_ext])
504 AC_MSG_RESULT($enable_string_ext)
506 AC_MSG_CHECKING(for default configuration of --enable-audio-ext)
507 if test "x${enable_audio_ext}" = xno; then
508 AC_DEFINE(NDS32_DEFAULT_AUDIO_EXT, 0,
509 [Define value for nds32_audio_ext])
511 AC_DEFINE(NDS32_DEFAULT_AUDIO_EXT, 1,
512 [Define default value for nds32_audio_ext])
514 AC_MSG_RESULT($enable_audio_ext)
517 aarch64 | i386 | riscv | s390 | sparc)
518 if test $this_target = $target ; then
519 AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
525 case " $extra_objects " in
527 *) extra_objects="$extra_objects $f" ;;
533 case " $extra_objects " in
535 *) extra_objects="$extra_objects $f" ;;
548 f=config/xtensa-relax.o
549 case " $extra_objects " in
551 *) extra_objects="$extra_objects $f" ;;
559 if test $using_cgen = yes ; then
561 case " $extra_objects " in
563 *) extra_objects="$extra_objects $f" ;;
567 # See if we really can support this configuration with the emulation code.
569 if test $this_target = $target ; then
577 case " $extra_objects " in
579 *) extra_objects="$extra_objects $f" ;;
583 # From target name and format, produce a list of supported emulations.
585 case ${generic_target}-${fmt} in
586 mips-*-*-*) case "$endian" in
587 big) emulation="mipsbelf mipslelf mipself" ;;
588 *) emulation="mipslelf mipsbelf mipself" ;;
590 # i386-pc-pe-coff != i386-pc-coff.
592 # Uncommenting the next line will turn on support for i386 AOUT
593 # for the default linux configuration
594 # i386-*-linux*-elf) emulation="i386elf i386aout" ;;
596 i386-*-aout) emulation="i386aout" ;;
597 i386-*-coff) emulation="i386coff" ;;
598 i386-*-elf) emulation="i386elf" ;;
600 # Always all formats. The first stated emulation becomes the default.
601 cris-*-*aout*) emulation="crisaout criself" ;;
602 cris-*-*) emulation="criself crisaout" ;;
605 emulations="$emulations $emulation"
609 if test ${ac_default_x86_relax_relocations} = unset; then
610 ac_default_x86_relax_relocations=1
612 AC_DEFINE_UNQUOTED(DEFAULT_GENERATE_X86_RELAX_RELOCATIONS,
613 $ac_default_x86_relax_relocations,
614 [Define to 1 if you want to generate x86 relax relocations by default.])
616 if test ${ac_default_elf_stt_common} = unset; then
617 ac_default_elf_stt_common=0
619 AC_DEFINE_UNQUOTED(DEFAULT_GENERATE_ELF_STT_COMMON,
620 $ac_default_elf_stt_common,
621 [Define to 1 if you want to generate ELF common symbols with the
622 STT_COMMON type by default.])
624 AC_DEFINE_UNQUOTED(DEFAULT_GENERATE_BUILD_NOTES,
625 $ac_default_generate_build_notes,
626 [Define to 1 if you want to generate GNU Build attribute notes
627 by default, if none are contained in the input.])
629 if test ${ac_default_generate_x86_used_note} = unset; then
630 ac_default_generate_x86_used_note=0
632 AC_DEFINE_UNQUOTED(DEFAULT_X86_USED_NOTE,
633 $ac_default_generate_x86_used_note,
634 [Define to 1 if you want to generate GNU x86 used ISA and feature
635 properties by default.])
637 if test x$ac_default_compressed_debug_sections = xyes ; then
638 AC_DEFINE(DEFAULT_FLAG_COMPRESS_DEBUG, 1, [Define if you want compressed debug sections by default.])
641 # Turn on all targets if possible
642 if test ${all_targets} = "yes"; then
643 case ${target_cpu_type} in
645 case ${obj_format} in
647 emulations="$emulations i386coff i386elf"
650 emulations="$emulations i386aout i386elf"
653 emulations="$emulations i386aout i386coff"
658 case ${obj_format} in
660 emulations="$emulations i386coff i386elf"
663 emulations="$emulations i386aout i386elf"
666 emulations="$emulations i386aout i386coff"
673 # PE code has way too many macros tweaking behaviour
675 pe*) emulations="" ;;
678 # Assign floating point type. Most processors with FP support
679 # IEEE FP. On those that don't support FP at all, usually IEEE
681 case ${target_cpu} in
682 vax | pdp11 ) atof=vax ;;
686 case "${obj_format}" in
687 "") AC_MSG_ERROR(GAS does not know what format to use for target ${target}) ;;
690 # Unfortunately the cpu in cpu-opc.h file isn't always $(TARGET_CPU).
692 if test $using_cgen = yes ; then
693 case ${target_cpu} in
695 cgen_cpu_prefix=or1k ;;
696 *) cgen_cpu_prefix=${target_cpu} ;;
698 AC_SUBST(cgen_cpu_prefix)
699 AC_DEFINE(USING_CGEN, 1, [Using cgen code?])
703 dnl Make sure the desired support files exist.
706 if test ! -r ${srcdir}/config/tc-${target_cpu_type}.c; then
707 AC_MSG_ERROR(GAS does not support target CPU ${target_cpu_type})
710 if test ! -r ${srcdir}/config/obj-${obj_format}.c; then
711 AC_MSG_ERROR(GAS does not have support for object file format ${obj_format})
714 # Some COFF configurations want these random other flags set.
715 case ${obj_format} in
717 case ${target_cpu_type} in
718 i386) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
719 x86_64) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
724 # Getting this done right is going to be a bitch. Each configuration specified
725 # with --enable-targets=... should be checked for environment, format, cpu
728 # For each configuration, the necessary object file support code must be linked
729 # in. This might be only one, it might be up to four. The necessary emulation
730 # code needs to be provided, too.
732 # And then there's "--enable-targets=all"....
734 # For now, just always do it for MIPS ELF configurations. Sigh.
736 formats="${obj_format}"
740 for em in . $emulations ; do
743 mipsbelf | mipslelf | mipself)
744 fmt=elf file=mipself ;;
752 formats="$formats $fmt"
753 emfiles="$emfiles config/e-$file.o"
754 EMULATIONS="$EMULATIONS &$em,"
758 if test `set . $formats ; shift ; echo $#` -gt 1 ; then
759 for fmt in $formats ; do
761 aout) AC_DEFINE(OBJ_MAYBE_AOUT, 1, [a.out support?]) ;;
762 coff) AC_DEFINE(OBJ_MAYBE_COFF, 1, [COFF support?]) ;;
763 ecoff) AC_DEFINE(OBJ_MAYBE_ECOFF, 1, [ECOFF support?]) ;;
764 elf) AC_DEFINE(OBJ_MAYBE_ELF, 1, [ELF support?]) ;;
765 generic) AC_DEFINE(OBJ_MAYBE_GENERIC, 1, [generic support?]) ;;
766 som) AC_DEFINE(OBJ_MAYBE_SOM, 1, [SOM support?]) ;;
768 extra_objects="$extra_objects config/obj-$fmt.o"
772 if test `set . $emfiles ; shift ; echo $#` -gt 0 ; then
773 DEFAULT_EMULATION=`set . $emulations ; echo $2`
774 # e-mipself has more than one emulation per file, e-i386* has just one at the
775 # moment. If only one emulation is specified, then don't define
776 # USE_EMULATIONS or include any of the e-files as they will only be bloat.
777 case "${obj_format}${emfiles}" in
779 extra_objects="$extra_objects $emfiles"
780 AC_DEFINE(USE_EMULATIONS, 1, [Use emulation support?]) ;;
783 AC_SUBST(extra_objects)
784 AC_DEFINE_UNQUOTED(EMULATIONS, $EMULATIONS, [Supported emulations.])
785 AC_DEFINE_UNQUOTED(DEFAULT_EMULATION, "$DEFAULT_EMULATION",
786 [Default emulation.])
788 reject_dev_configs=yes
790 case ${reject_dev_configs}-${dev} in
792 AC_MSG_ERROR(GAS does not support the ${generic_target} configuration.)
796 AC_SUBST(target_cpu_type)
799 AC_SUBST(install_tooldir)
801 dnl AC_SUBST(emulation)
803 # do we need the opcodes library?
804 case "${need_opcodes}" in
806 OPCODES_LIB=../opcodes/libopcodes.la
810 AC_SUBST(OPCODES_LIB)
812 AC_DEFINE_UNQUOTED(TARGET_ALIAS, "${target_alias}", [Target alias.])
813 AC_DEFINE_UNQUOTED(TARGET_CANONICAL, "${target}", [Canonical target.])
814 AC_DEFINE_UNQUOTED(TARGET_CPU, "${target_cpu}", [Target CPU.])
815 AC_DEFINE_UNQUOTED(TARGET_VENDOR, "${target_vendor}", [Target vendor.])
816 AC_DEFINE_UNQUOTED(TARGET_OS, "${target_os}", [Target OS.])
821 ALL_LINGUAS="es fi fr id ja ru rw sv tr uk zh_CN"
822 ZW_GNU_GETTEXT_SISTER_DIR
826 AM_CONDITIONAL(GENINSRC_NEVER, false)
829 AC_CHECK_HEADERS(string.h stdlib.h memory.h strings.h unistd.h errno.h sys/types.h limits.h locale.h time.h sys/stat.h)
832 # Put this here so that autoconf's "cross-compiling" message doesn't confuse
833 # people who are not cross-compiling but are compiling cross-assemblers.
834 AC_MSG_CHECKING(whether compiling a cross-assembler)
835 if test "${host}" = "${target}"; then
839 AC_DEFINE(CROSS_COMPILE, 1, [Compiling cross-assembler?])
841 AC_MSG_RESULT($cross_gas)
843 dnl ansidecl.h will deal with const
848 # VMS doesn't have unlink.
849 AC_CHECK_FUNCS(unlink remove, break)
850 AC_CHECK_FUNCS(sbrk setlocale)
851 AC_CHECK_FUNCS(strsignal)
855 # do we need the math library?
856 case "${need_libm}" in
863 # Some non-ANSI preprocessors botch requoting inside strings. That's bad
864 # enough, but on some of those systems, the assert macro relies on requoting
868 # On some systems, the system header files may not declare malloc, realloc,
869 # and free. There are places where gas needs these functions to have been
870 # declared -- such as when taking their addresses.
878 #ifdef HAVE_STRINGS_H
890 # Does errno.h declare errno, or do we have to add a separate declaration
892 GAS_CHECK_DECL_NEEDED(errno, f, int f, [
898 AC_MSG_CHECKING(for a known getopt prototype in unistd.h)
899 AC_CACHE_VAL(gas_cv_decl_getopt_unistd_h,
900 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);])],
901 gas_cv_decl_getopt_unistd_h=yes, gas_cv_decl_getopt_unistd_h=no)])
902 AC_MSG_RESULT($gas_cv_decl_getopt_unistd_h)
903 if test $gas_cv_decl_getopt_unistd_h = yes; then
904 AC_DEFINE([HAVE_DECL_GETOPT], 1,
905 [Is the prototype for getopt in <unistd.h> in the expected format?])
908 GAS_CHECK_DECL_NEEDED(environ, f, char **f, $gas_test_headers)
909 GAS_CHECK_DECL_NEEDED(ffs, f, int (*f)(int), $gas_test_headers)
910 GAS_CHECK_DECL_NEEDED(free, f, void (*f)(), $gas_test_headers)
911 GAS_CHECK_DECL_NEEDED(malloc, f, char *(*f)(), $gas_test_headers)
912 GAS_CHECK_DECL_NEEDED(sbrk, f, char *(*f)(), $gas_test_headers)
913 GAS_CHECK_DECL_NEEDED(strstr, f, char *(*f)(), $gas_test_headers)
915 AC_CHECK_DECLS([free, getenv, malloc, mempcpy, realloc, stpcpy, strstr, vsnprintf, asprintf])
919 # Link in zlib if we can. This allows us to write compressed debug sections.
922 # Support for VMS timestamps via cross compile
924 if test "$ac_cv_header_time_h" = yes; then
925 GAS_HAVE_TIME_TYPE_MEMBER(struct tm, tm_gmtoff)
928 if test "$ac_cv_header_sys_stat_h" = yes; then
929 GAS_HAVE_SYS_STAT_TYPE_MEMBER(struct stat, st_mtim, tv_sec)
930 GAS_HAVE_SYS_STAT_TYPE_MEMBER(struct stat, st_mtim, tv_nsec)
934 dnl Required for html, pdf, install-pdf and install-html targets.
935 AC_SUBST(datarootdir)
940 dnl This must come last.
942 dnl We used to make symlinks to files in the source directory, but now
943 dnl we just use the right name for .c files, and create .h files in
944 dnl the build directory which include the right .h file. Make sure
945 dnl the old symlinks don't exist, so that a reconfigure in an existing
946 dnl directory behaves reasonably.
948 AC_CONFIG_FILES(Makefile doc/Makefile po/Makefile.in:po/Make-in)
949 AC_CONFIG_COMMANDS([default],
950 [rm -f targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c itbl-cpu.h
951 echo '#include "tc-'"${target_cpu_type}"'.h"' > targ-cpu.h
952 echo '#include "obj-'"${obj_format}"'.h"' > obj-format.h
953 echo '#include "te-'"${te_file}"'.h"' > targ-env.h
954 echo '#include "itbl-'"${target_cpu_type}"'.h"' > itbl-cpu.h
955 if test "x$cgen_cpu_prefix" != x ; then
956 echo '#include "opcodes/'"${cgen_cpu_prefix}"'-desc.h"' > cgen-desc.h
958 [target_cpu_type=${target_cpu_type}
959 cgen_cpu_prefix=${cgen_cpu_prefix}
960 obj_format=${obj_format}