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) 2012-2019 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 . ${srcdir}/../bfd/development.sh
55 test "$development" = true && ac_checking=yes
56 AC_ARG_ENABLE(checking,
57 [ --enable-checking enable run-time checks],
58 [case "${enableval}" in
59 no|none) ac_checking= ;;
62 if test x$ac_checking != x ; then
63 AC_DEFINE(ENABLE_CHECKING, 1, [Define if you want run-time sanity checks.])
67 # Decide the default method for compressing debug sections.
68 ac_default_compressed_debug_sections=unset
69 # Provide a configure time option to override our default.
70 AC_ARG_ENABLE(compressed_debug_sections,
71 AS_HELP_STRING([--enable-compressed-debug-sections={all,gas,none}],
72 [compress debug sections by default]),
73 [case ,"${enableval}", in
74 ,yes, | ,all, | *,gas,*) ac_default_compressed_debug_sections=yes ;;
75 ,no, | ,none,) ac_default_compressed_debug_sections=no ;;
76 *) ac_default_compressed_debug_sections=unset ;;
80 # Decide if x86 assembler should generate relax relocations.
81 ac_default_x86_relax_relocations=unset
82 # Provide a configure time option to override our default.
83 AC_ARG_ENABLE(x86_relax_relocations,
84 AS_HELP_STRING([--enable-x86-relax-relocations],
85 [generate x86 relax relocations by default]),
86 [case "${enableval}" in
87 no) ac_default_x86_relax_relocations=0 ;;
90 # Decide if ELF assembler should generate common symbols with the
92 ac_default_elf_stt_common=unset
93 # Provide a configure time option to override our default.
94 AC_ARG_ENABLE(elf_stt_common,
95 AS_HELP_STRING([--enable-elf-stt-common],
96 [generate ELF common symbols with STT_COMMON type by default]),
97 [case "${enableval}" in
98 yes) ac_default_elf_stt_common=1 ;;
102 # Decide if the ELF assembler should default to generating
103 # GNU Build notes if none are provided by the input.
104 ac_default_generate_build_notes=0
105 # Provide a configuration option to override the default.
106 AC_ARG_ENABLE(generate_build_notes,
107 AS_HELP_STRING([--enable-generate-build-notes],
108 [generate GNU Build notes if none are provided by the input]),
109 [case "${enableval}" in
110 yes) ac_default_generate_build_notes=1 ;;
111 no) ac_default_generate_build_notes=0 ;;
114 # Decide if the MIPS assembler should default to enable MIPS fix Loongson3
116 ac_default_mips_fix_loongson3_llsc=unset
117 # Provide a configuration option to override the default.
118 AC_ARG_ENABLE(mips-fix-loongson3-llsc,
119 AS_HELP_STRING([--enable-mips-fix-loongson3-llsc],
120 [enable MIPS fix Loongson3 LLSC errata]),
121 [case "${enableval}" in
122 yes) ac_default_mips_fix_loongson3_llsc=1 ;;
123 no) ac_default_mips_fix_loongson3_llsc=0 ;;
126 # Decide if the x86 ELF assembler should default to generating GNU x86
127 # used ISA and feature properties.
128 ac_default_generate_x86_used_note=unset
129 # Provide a configuration option to override the default.
130 AC_ARG_ENABLE(x86-used-note,
131 AS_HELP_STRING([--enable-x86-used-note],
132 [generate GNU x86 used ISA and feature properties]),
133 [case "${enableval}" in
134 yes) ac_default_generate_x86_used_note=1 ;;
135 no) ac_default_generate_x86_used_note=0 ;;
138 # Decide if the RISC-V ELF assembler should default to generating attribute.
139 ac_default_generate_riscv_attr=unset
140 # Provide a configuration option to override the default.
141 AC_ARG_ENABLE(default-riscv-attribute,
142 AS_HELP_STRING([--enable-default-riscv-attribute],
143 [generate RISC-V arch attribute by default]),
144 [case "${enableval}" in
145 yes) ac_default_generate_riscv_attr=1 ;;
146 no) ac_default_generate_riscv_attr=0 ;;
153 # Generate a header file
154 AC_CONFIG_HEADERS(config.h:config.in)
156 dnl Option --with-cpu=TYPE allows configure type control of the default
157 dnl cpu type within the assembler. Currently only the ARC target
158 dnl supports this feature, but others may be added in the future.
160 AS_HELP_STRING([--with-cpu=CPU],
161 [default cpu variant is CPU (currently only supported on ARC)]),
162 [AC_DEFINE_UNQUOTED(TARGET_WITH_CPU,
164 [Target specific CPU.])],
168 AH_VERBATIM([00_CONFIG_H_CHECK],
169 [/* Check that config.h is #included before system headers
170 (this works only for glibc, but that should be enough). */
171 #if defined(__GLIBC__) && !defined(__FreeBSD_kernel__) && !defined(__CONFIG_H__)
172 # error config.h must be #included before system headers
174 #define __CONFIG_H__ 1])
176 # If we are on a DOS filesystem, we must use gdb.ini rather than
179 *-*-msdos* | *-*-go32* | *-*-mingw32* | *-*-windows*)
181 AC_CONFIG_FILES(gdb.ini:gdbinit.in)
185 AC_CONFIG_FILES(.gdbinit:gdbinit.in)
190 #We need this for the host.
195 # Makefile target for installing gas in $(tooldir)/bin.
196 install_tooldir=install-exec-tooldir
200 if test -n "$enable_targets" ; then
201 for t in `echo $enable_targets | sed 's/,/ /g'`; do
202 if test $t = "all"; then
206 result=`$ac_config_sub $t 2>/dev/null`
207 if test -n "$result" ; then
208 canon_targets="$canon_targets $result"
210 # # Permit "all", etc. We don't support it yet though.
211 # canon_targets="$canon_targets $t"
214 GAS_UNIQ(canon_targets)
219 for this_target in $target $canon_targets ; do
222 . ${srcdir}/configure.tgt
224 case ${target_cpu} in
226 AC_DEFINE_UNQUOTED(DEFAULT_CRIS_ARCH, $arch,
227 [Default CRIS architecture.])
231 if test ${this_target} = $target ; then
232 target_cpu_type=${cpu_type}
233 elif test ${target_cpu_type} != ${cpu_type} ; then
237 generic_target=${cpu_type}-${target_vendor}-${target_os}
238 case ${generic_target} in
242 AC_DEFINE(STRICTCOFF, 1, [Using strict COFF?])
246 | x86_64-*-solaris2 \
247 | i386-*-solaris2.[[0-9]] \
248 | i386-*-solaris2.1[[01]] \
249 | x86_64-*-solaris2.1[[01]])
250 if test ${this_target} = $target \
251 && test ${ac_default_x86_relax_relocations} = unset; then
252 ac_default_x86_relax_relocations=0
262 AC_DEFINE(AIX_WEAK_SUPPORT, 1,
263 [Define if using AIX 5.2 value for C_WEAKEXT.])
266 if test ${this_target} = $target; then
267 AC_DEFINE(TARGET_SOLARIS_COMMENT, 1,
268 [Define if default target is PowerPC Solaris.])
270 if test x${endian} = xbig; then
271 AC_MSG_ERROR(Solaris must be configured little endian)
276 if test ${this_target} = $target ; then
278 if test x${endian} = xbig; then
280 elif test x${endian} = xlittle; then
283 if test x${endian_def} != x; then
284 AC_DEFINE_UNQUOTED(TARGET_BYTES_BIG_ENDIAN, $endian_def,
285 [Define as 1 if big endian.])
289 # Other random stuff.
293 # Set mips_cpu to the name of the default CPU.
294 case ${target_cpu} in
295 mips | mipsbe | mipseb | mipsle | mipsel | mips64 | mips64el)
298 mipsisa32 | mipsisa32el)
301 mipsisa32r2 | mipsisa32r2el)
304 mipsisa32r3 | mipsisa32r3el)
307 mipsisa32r5 | mipsisa32r5el)
310 mipsisa32r6 | mipsisa32r6el)
313 mipsisa64 | mipsisa64el)
316 mipsisa64r2 | mipsisa64r2el)
319 mipsisa64r3 | mipsisa64r3el)
322 mipsisa64r5 | mipsisa64r5el)
325 mipsisa64r6 | mipsisa64r6el)
328 mipstx39 | mipstx39el)
331 mips64vr | mips64vrel)
334 mipsisa32r2* | mipsisa64r2*)
336 mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..r2//' -e 's/el$//'`
339 mipsisa32r6* | mipsisa64r6*)
341 mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..r6//' -e 's/el$//'`
344 mips64* | mipsisa64* | mipsisa32*)
346 mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..//' -e 's/el$//'`
351 mips_cpu=`echo $target_cpu | sed -e 's/^mips//' -e 's/el$//'`
355 AC_MSG_ERROR($target_cpu isn't a supported MIPS CPU name)
358 # See whether it's appropriate to set E_MIPS_ABI_O32 for o32
359 # binaries. It's a GNU extension that some OSes don't understand.
368 # Decide whether to generate 32-bit or 64-bit code by default.
369 # Used to resolve -march=from-abi when an embedded ABI is selected.
371 mips64*-*-* | mipsisa64*-*-*)
378 # Decide which ABI to target by default.
380 mips64*-linux* | mips-sgi-irix6* | mips64*-freebsd* \
381 | mips64*-kfreebsd*-gnu | mips64*-ps2-elf*)
382 mips_default_abi=N32_ABI
384 mips*-linux* | mips*-freebsd* | mips*-kfreebsd*-gnu)
385 mips_default_abi=O32_ABI
388 mips_default_abi=N64_ABI
391 mips_default_abi=NO_ABI
394 AC_DEFINE_UNQUOTED(MIPS_CPU_STRING_DEFAULT, "$mips_cpu",
395 [Default CPU for MIPS targets. ])
396 AC_DEFINE_UNQUOTED(USE_E_MIPS_ABI_O32, $use_e_mips_abi_o32,
397 [Allow use of E_MIPS_ABI_O32 on MIPS targets. ])
398 AC_DEFINE_UNQUOTED(MIPS_DEFAULT_64BIT, $mips_default_64bit,
399 [Generate 64-bit code by default on MIPS targets. ])
400 AC_DEFINE_UNQUOTED(MIPS_DEFAULT_ABI, $mips_default_abi,
401 [Choose a default ABI for MIPS targets. ])
405 # Do we need the opcodes library?
413 case "${enable_shared}" in
414 yes) shared_opcodes=true ;;
415 *opcodes*) shared_opcodes=true ;;
416 *) shared_opcodes=false ;;
421 # Any other special object files needed ?
425 for f in bfin-parse.o bfin-lex-wrapper.o; do
426 case " $extra_objects " in
428 *) extra_objects="$extra_objects $f" ;;
433 epiphany | fr30 | ip2k | iq2000 | lm32 | m32r | or1k)
445 case " $extra_objects " in
447 *) extra_objects="$extra_objects $f" ;;
456 for f in itbl-parse.o itbl-lex-wrapper.o itbl-ops.o; do
457 case " $extra_objects " in
459 *) extra_objects="$extra_objects $f" ;;
469 # setup NDS32_LINUX_TOOLCHAIN definition
470 if test "linux" = $em; then
471 AC_DEFINE(NDS32_LINUX_TOOLCHAIN, 1,
472 [Define value for nds32_linux_toolchain])
474 AC_DEFINE(NDS32_LINUX_TOOLCHAIN, 0,
475 [Define default value for nds32_linux_toolchain])
478 # Decide BASELINE, REDUCED_REGS, FPU_DP_EXT, FPU_SP_EXT features
479 # based on arch_name.
480 AC_MSG_CHECKING(for default configuration of --with-arch)
481 if test "x${with_arch}" != x; then
483 v2j | v2s | v2f | v2 | v3m | v3j | v3s | v3f | v3 )
484 AC_DEFINE_UNQUOTED(NDS32_DEFAULT_ARCH_NAME, "$with_arch",
485 [Define value for nds32_arch_name])
488 AC_MSG_ERROR(This kind of arch name does *NOT* exist!)
492 AC_MSG_RESULT($with_arch)
494 # Decide features one by one.
495 AC_MSG_CHECKING(for default configuration of --enable-dx-regs)
496 if test "x${enable_dx_regs}" = xyes; then
497 AC_DEFINE(NDS32_DEFAULT_DX_REGS, 1,
498 [Define value for nds32_dx_regs])
500 AC_DEFINE(NDS32_DEFAULT_DX_REGS, 0,
501 [Define default value for nds32_dx_regs])
503 AC_MSG_RESULT($enable_dx_regs)
505 AC_MSG_CHECKING(for default configuration of --enable-perf-ext)
506 if test "x${enable_perf_ext}" = xno; then
507 AC_DEFINE(NDS32_DEFAULT_PERF_EXT, 0,
508 [Define value for nds32_perf_ext])
510 AC_DEFINE(NDS32_DEFAULT_PERF_EXT, 1,
511 [Define default value for nds32_perf_ext])
513 AC_MSG_RESULT($enable_perf_ext)
515 AC_MSG_CHECKING(for default configuration of --enable-perf-ext2)
516 if test "x${enable_perf_ext2}" = xno; then
517 AC_DEFINE(NDS32_DEFAULT_PERF_EXT2, 0,
518 [Define value for nds32_perf_ext2])
520 AC_DEFINE(NDS32_DEFAULT_PERF_EXT2, 1,
521 [Define default value for nds32_perf_ext2])
523 AC_MSG_RESULT($enable_perf_ext2)
525 AC_MSG_CHECKING(for default configuration of --enable-string-ext)
526 if test "x${enable_string_ext}" = xno; then
527 AC_DEFINE(NDS32_DEFAULT_STRING_EXT, 0,
528 [Define value for nds32_string_ext])
530 AC_DEFINE(NDS32_DEFAULT_STRING_EXT, 1,
531 [Define default value for nds32_string_ext])
533 AC_MSG_RESULT($enable_string_ext)
535 AC_MSG_CHECKING(for default configuration of --enable-audio-ext)
536 if test "x${enable_audio_ext}" = xno; then
537 AC_DEFINE(NDS32_DEFAULT_AUDIO_EXT, 0,
538 [Define value for nds32_audio_ext])
540 AC_DEFINE(NDS32_DEFAULT_AUDIO_EXT, 1,
541 [Define default value for nds32_audio_ext])
543 AC_MSG_RESULT($enable_audio_ext)
545 AC_MSG_CHECKING(for default configuration of --enable-dsp-ext)
546 if test "x${enable_dsp_ext}" = xno; then
547 AC_DEFINE(NDS32_DEFAULT_DSP_EXT, 0,
548 [Define value for nds32_dsp_ext])
550 AC_DEFINE(NDS32_DEFAULT_DSP_EXT, 1,
551 [Define default value for nds32_dsp_ext])
553 AC_MSG_RESULT($enable_dsp_ext)
555 AC_MSG_CHECKING(for default configuration of --enable-zol-ext)
556 if test "x${enable_zol_ext}" = xno; then
557 AC_DEFINE(NDS32_DEFAULT_ZOL_EXT, 0,
558 [Define value for nds32_zol_ext])
560 AC_DEFINE(NDS32_DEFAULT_ZOL_EXT, 1,
561 [Define default value for nds32_zol_ext])
563 AC_MSG_RESULT($enable_zol_ext)
566 aarch64 | i386 | riscv | s390 | sparc)
567 if test $this_target = $target ; then
568 AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
574 case " $extra_objects " in
576 *) extra_objects="$extra_objects $f" ;;
582 case " $extra_objects " in
584 *) extra_objects="$extra_objects $f" ;;
597 f=config/xtensa-relax.o
598 case " $extra_objects " in
600 *) extra_objects="$extra_objects $f" ;;
608 if test $using_cgen = yes ; then
610 case " $extra_objects " in
612 *) extra_objects="$extra_objects $f" ;;
616 # See if we really can support this configuration with the emulation code.
618 if test $this_target = $target ; then
626 case " $extra_objects " in
628 *) extra_objects="$extra_objects $f" ;;
632 # From target name and format, produce a list of supported emulations.
634 case ${generic_target}-${fmt} in
635 mips-*-*-*) case "$endian" in
636 big) emulation="mipsbelf mipslelf mipself" ;;
637 *) emulation="mipslelf mipsbelf mipself" ;;
639 # i386-pc-pe-coff != i386-pc-coff.
641 # Uncommenting the next line will turn on support for i386 AOUT
642 # for the default linux configuration
643 # i386-*-linux*-elf) emulation="i386elf i386aout" ;;
645 i386-*-aout) emulation="i386aout" ;;
646 i386-*-coff) emulation="i386coff" ;;
647 i386-*-elf) emulation="i386elf" ;;
649 # Always all formats. The first stated emulation becomes the default.
650 cris-*-*aout*) emulation="crisaout criself" ;;
651 cris-*-*) emulation="criself crisaout" ;;
654 emulations="$emulations $emulation"
658 if test ${ac_default_x86_relax_relocations} = unset; then
659 ac_default_x86_relax_relocations=1
661 AC_DEFINE_UNQUOTED(DEFAULT_GENERATE_X86_RELAX_RELOCATIONS,
662 $ac_default_x86_relax_relocations,
663 [Define to 1 if you want to generate x86 relax relocations by default.])
665 if test ${ac_default_elf_stt_common} = unset; then
666 ac_default_elf_stt_common=0
668 AC_DEFINE_UNQUOTED(DEFAULT_GENERATE_ELF_STT_COMMON,
669 $ac_default_elf_stt_common,
670 [Define to 1 if you want to generate ELF common symbols with the
671 STT_COMMON type by default.])
673 AC_DEFINE_UNQUOTED(DEFAULT_GENERATE_BUILD_NOTES,
674 $ac_default_generate_build_notes,
675 [Define to 1 if you want to generate GNU Build attribute notes
676 by default, if none are contained in the input.])
678 if test ${ac_default_generate_x86_used_note} = unset; then
679 ac_default_generate_x86_used_note=0
681 AC_DEFINE_UNQUOTED(DEFAULT_X86_USED_NOTE,
682 $ac_default_generate_x86_used_note,
683 [Define to 1 if you want to generate GNU x86 used ISA and feature
684 properties by default.])
686 if test ${ac_default_generate_riscv_attr} = unset; then
689 ac_default_generate_riscv_attr=1
692 ac_default_generate_riscv_attr=0
697 AC_DEFINE_UNQUOTED(DEFAULT_RISCV_ATTR,
698 $ac_default_generate_riscv_attr,
699 [Define to 1 if you want to generate RISC-V arch attribute by default.])
701 if test ${ac_default_mips_fix_loongson3_llsc} = unset; then
702 ac_default_mips_fix_loongson3_llsc=0
704 AC_DEFINE_UNQUOTED(DEFAULT_MIPS_FIX_LOONGSON3_LLSC,
705 $ac_default_mips_fix_loongson3_llsc,
706 [Define to 1 if you want to fix Loongson3 LLSC Errata by default.])
708 if test x$ac_default_compressed_debug_sections = xyes ; then
709 AC_DEFINE(DEFAULT_FLAG_COMPRESS_DEBUG, 1, [Define if you want compressed debug sections by default.])
712 # Turn on all targets if possible
713 if test ${all_targets} = "yes"; then
714 case ${target_cpu_type} in
716 case ${obj_format} in
718 emulations="$emulations i386coff i386elf"
721 emulations="$emulations i386aout i386elf"
724 emulations="$emulations i386aout i386coff"
729 case ${obj_format} in
731 emulations="$emulations i386coff i386elf"
734 emulations="$emulations i386aout i386elf"
737 emulations="$emulations i386aout i386coff"
744 # PE code has way too many macros tweaking behaviour
746 pe*) emulations="" ;;
749 # Assign floating point type. Most processors with FP support
750 # IEEE FP. On those that don't support FP at all, usually IEEE
752 case ${target_cpu} in
753 vax | pdp11 ) atof=vax ;;
757 case "${obj_format}" in
758 "") AC_MSG_ERROR(GAS does not know what format to use for target ${target}) ;;
761 # Unfortunately the cpu in cpu-opc.h file isn't always $(TARGET_CPU).
763 if test $using_cgen = yes ; then
764 case ${target_cpu} in
766 cgen_cpu_prefix=or1k ;;
767 *) cgen_cpu_prefix=${target_cpu} ;;
769 AC_SUBST(cgen_cpu_prefix)
770 AC_DEFINE(USING_CGEN, 1, [Using cgen code?])
774 dnl Make sure the desired support files exist.
777 if test ! -r ${srcdir}/config/tc-${target_cpu_type}.c; then
778 AC_MSG_ERROR(GAS does not support target CPU ${target_cpu_type})
781 if test ! -r ${srcdir}/config/obj-${obj_format}.c; then
782 AC_MSG_ERROR(GAS does not have support for object file format ${obj_format})
785 # Some COFF configurations want these random other flags set.
786 case ${obj_format} in
788 case ${target_cpu_type} in
789 i386) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
790 x86_64) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
795 # Getting this done right is going to be a bitch. Each configuration specified
796 # with --enable-targets=... should be checked for environment, format, cpu
799 # For each configuration, the necessary object file support code must be linked
800 # in. This might be only one, it might be up to four. The necessary emulation
801 # code needs to be provided, too.
803 # And then there's "--enable-targets=all"....
805 # For now, just always do it for MIPS ELF configurations. Sigh.
807 formats="${obj_format}"
811 for em in . $emulations ; do
814 mipsbelf | mipslelf | mipself)
815 fmt=elf file=mipself ;;
823 formats="$formats $fmt"
824 emfiles="$emfiles config/e-$file.o"
825 EMULATIONS="$EMULATIONS &$em,"
829 if test `set . $formats ; shift ; echo $#` -gt 1 ; then
830 for fmt in $formats ; do
832 aout) AC_DEFINE(OBJ_MAYBE_AOUT, 1, [a.out support?]) ;;
833 coff) AC_DEFINE(OBJ_MAYBE_COFF, 1, [COFF support?]) ;;
834 ecoff) AC_DEFINE(OBJ_MAYBE_ECOFF, 1, [ECOFF support?]) ;;
835 elf) AC_DEFINE(OBJ_MAYBE_ELF, 1, [ELF support?]) ;;
836 generic) AC_DEFINE(OBJ_MAYBE_GENERIC, 1, [generic support?]) ;;
837 som) AC_DEFINE(OBJ_MAYBE_SOM, 1, [SOM support?]) ;;
839 extra_objects="$extra_objects config/obj-$fmt.o"
843 if test `set . $emfiles ; shift ; echo $#` -gt 0 ; then
844 DEFAULT_EMULATION=`set . $emulations ; echo $2`
845 # e-mipself has more than one emulation per file, e-i386* has just one at the
846 # moment. If only one emulation is specified, then don't define
847 # USE_EMULATIONS or include any of the e-files as they will only be bloat.
848 case "${obj_format}${emfiles}" in
850 extra_objects="$extra_objects $emfiles"
851 AC_DEFINE(USE_EMULATIONS, 1, [Use emulation support?]) ;;
854 AC_SUBST(extra_objects)
855 AC_DEFINE_UNQUOTED(EMULATIONS, $EMULATIONS, [Supported emulations.])
856 AC_DEFINE_UNQUOTED(DEFAULT_EMULATION, "$DEFAULT_EMULATION",
857 [Default emulation.])
859 reject_dev_configs=yes
861 case ${reject_dev_configs}-${dev} in
863 AC_MSG_ERROR(GAS does not support the ${generic_target} configuration.)
867 AC_SUBST(target_cpu_type)
870 AC_SUBST(install_tooldir)
872 dnl AC_SUBST(emulation)
874 # do we need the opcodes library?
875 case "${need_opcodes}" in
877 OPCODES_LIB=../opcodes/libopcodes.la
881 AC_SUBST(OPCODES_LIB)
883 AC_DEFINE_UNQUOTED(TARGET_ALIAS, "${target_alias}", [Target alias.])
884 AC_DEFINE_UNQUOTED(TARGET_CANONICAL, "${target}", [Canonical target.])
885 AC_DEFINE_UNQUOTED(TARGET_CPU, "${target_cpu}", [Target CPU.])
886 AC_DEFINE_UNQUOTED(TARGET_VENDOR, "${target_vendor}", [Target vendor.])
887 AC_DEFINE_UNQUOTED(TARGET_OS, "${target_os}", [Target OS.])
892 ALL_LINGUAS="es fi fr id ja ru rw sv tr uk zh_CN"
893 ZW_GNU_GETTEXT_SISTER_DIR
897 AM_CONDITIONAL(GENINSRC_NEVER, false)
900 AC_CHECK_HEADERS(string.h stdlib.h memory.h strings.h unistd.h errno.h sys/types.h limits.h locale.h time.h sys/stat.h)
903 # Put this here so that autoconf's "cross-compiling" message doesn't confuse
904 # people who are not cross-compiling but are compiling cross-assemblers.
905 AC_MSG_CHECKING(whether compiling a cross-assembler)
906 if test "${host}" = "${target}"; then
910 AC_DEFINE(CROSS_COMPILE, 1, [Compiling cross-assembler?])
912 AC_MSG_RESULT($cross_gas)
914 dnl ansidecl.h will deal with const
919 # VMS doesn't have unlink.
920 AC_CHECK_FUNCS(unlink remove, break)
921 AC_CHECK_FUNCS(sbrk setlocale)
922 AC_CHECK_FUNCS(strsignal)
926 # do we need the math library?
927 case "${need_libm}" in
934 # Some non-ANSI preprocessors botch requoting inside strings. That's bad
935 # enough, but on some of those systems, the assert macro relies on requoting
939 # On some systems, the system header files may not declare malloc, realloc,
940 # and free. There are places where gas needs these functions to have been
941 # declared -- such as when taking their addresses.
949 #ifdef HAVE_STRINGS_H
961 # Does errno.h declare errno, or do we have to add a separate declaration
963 GAS_CHECK_DECL_NEEDED(errno, f, int f, [
969 AC_MSG_CHECKING(for a known getopt prototype in unistd.h)
970 AC_CACHE_VAL(gas_cv_decl_getopt_unistd_h,
971 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);])],
972 gas_cv_decl_getopt_unistd_h=yes, gas_cv_decl_getopt_unistd_h=no)])
973 AC_MSG_RESULT($gas_cv_decl_getopt_unistd_h)
974 if test $gas_cv_decl_getopt_unistd_h = yes; then
975 AC_DEFINE([HAVE_DECL_GETOPT], 1,
976 [Is the prototype for getopt in <unistd.h> in the expected format?])
979 GAS_CHECK_DECL_NEEDED(environ, f, char **f, $gas_test_headers)
980 GAS_CHECK_DECL_NEEDED(ffs, f, int (*f)(int), $gas_test_headers)
981 GAS_CHECK_DECL_NEEDED(free, f, void (*f)(), $gas_test_headers)
982 GAS_CHECK_DECL_NEEDED(malloc, f, char *(*f)(), $gas_test_headers)
983 GAS_CHECK_DECL_NEEDED(sbrk, f, char *(*f)(), $gas_test_headers)
984 GAS_CHECK_DECL_NEEDED(strstr, f, char *(*f)(), $gas_test_headers)
986 AC_CHECK_DECLS([free, getenv, malloc, mempcpy, realloc, stpcpy, strstr, vsnprintf, asprintf])
990 # Link in zlib if we can. This allows us to write compressed debug sections.
993 # Support for VMS timestamps via cross compile
995 if test "$ac_cv_header_time_h" = yes; then
996 GAS_HAVE_TIME_TYPE_MEMBER(struct tm, tm_gmtoff)
999 if test "$ac_cv_header_sys_stat_h" = yes; then
1000 GAS_HAVE_SYS_STAT_TYPE_MEMBER(struct stat, st_mtim, tv_sec)
1001 GAS_HAVE_SYS_STAT_TYPE_MEMBER(struct stat, st_mtim, tv_nsec)
1005 dnl Required for html, pdf, install-pdf and install-html targets.
1006 AC_SUBST(datarootdir)
1011 dnl This must come last.
1013 dnl We used to make symlinks to files in the source directory, but now
1014 dnl we just use the right name for .c files, and create .h files in
1015 dnl the build directory which include the right .h file. Make sure
1016 dnl the old symlinks don't exist, so that a reconfigure in an existing
1017 dnl directory behaves reasonably.
1019 AC_CONFIG_FILES(Makefile doc/Makefile po/Makefile.in:po/Make-in)
1020 AC_CONFIG_COMMANDS([default],
1021 [rm -f targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c itbl-cpu.h
1022 echo '#include "tc-'"${target_cpu_type}"'.h"' > targ-cpu.h
1023 echo '#include "obj-'"${obj_format}"'.h"' > obj-format.h
1024 echo '#include "te-'"${te_file}"'.h"' > targ-env.h
1025 echo '#include "itbl-'"${target_cpu_type}"'.h"' > itbl-cpu.h
1026 if test "x$cgen_cpu_prefix" != x ; then
1027 echo '#include "opcodes/'"${cgen_cpu_prefix}"'-desc.h"' > cgen-desc.h
1029 [target_cpu_type=${target_cpu_type}
1030 cgen_cpu_prefix=${cgen_cpu_prefix}
1031 obj_format=${obj_format}
1032 te_file=${te_file}])