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Correct negs aliasing on AArch64.
[deliverable/binutils-gdb.git] / gas / configure.ac
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1dnl Process this file with autoconf to produce a configure script.
2dnl
3dnl And be careful when changing it! If you must add tests with square
4dnl brackets, be sure changequote invocations surround it.
5dnl
6dnl Copyright (C) 2012-2018 Free Software Foundation, Inc.
7dnl
8dnl This file is free software; you can redistribute it and/or modify
9dnl it under the terms of the GNU General Public License as published by
10dnl the Free Software Foundation; either version 3 of the License, or
11dnl (at your option) any later version.
12dnl
13dnl This program is distributed in the hope that it will be useful,
14dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
15dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16dnl GNU General Public License for more details.
17dnl
18dnl You should have received a copy of the GNU General Public License
19dnl along with this program; see the file COPYING3. If not see
20dnl <http://www.gnu.org/licenses/>.
21dnl
22dnl v2.5 needed for --bindir et al
23m4_include([../bfd/version.m4])
24AC_INIT([gas], BFD_VERSION)
25AC_CONFIG_SRCDIR(as.h)
26
27dnl Autoconf 2.57 will find the aux dir without this. However, unless
28dnl we specify this explicitly, automake-1.7 will assume that ylwrap is in
29dnl gas/ instead of gas/../.
30AC_CONFIG_AUX_DIR(..)
31AC_CANONICAL_TARGET
32AC_ISC_POSIX
33
34AM_INIT_AUTOMAKE
35
36AC_PROG_CC
37AC_GNU_SOURCE
38AC_USE_SYSTEM_EXTENSIONS
39
40LT_INIT
41ACX_LARGEFILE
42ACX_PROG_CMP_IGNORE_INITIAL
43
44AC_ARG_ENABLE(targets,
45[ --enable-targets alternative target configurations besides the primary],
46[case "${enableval}" in
47 yes | "") AC_MSG_ERROR(enable-targets option must specify target names or 'all')
48 ;;
49 no) enable_targets= ;;
50 *) enable_targets=$enableval ;;
51esac])dnl
52
53ac_checking=yes
54if grep '^RELEASE=y' ${srcdir}/../bfd/Makefile.am >/dev/null 2>/dev/null ; then
55 ac_checking=
56fi
57AC_ARG_ENABLE(checking,
58[ --enable-checking enable run-time checks],
59[case "${enableval}" in
60 no|none) ac_checking= ;;
61 *) ac_checking=yes ;;
62esac])dnl
63if test x$ac_checking != x ; then
64 AC_DEFINE(ENABLE_CHECKING, 1, [Define if you want run-time sanity checks.])
65fi
66
67# PR gas/19109
68# Decide the default method for compressing debug sections.
69ac_default_compressed_debug_sections=unset
70# Provide a configure time option to override our default.
71AC_ARG_ENABLE(compressed_debug_sections,
72 AS_HELP_STRING([--enable-compressed-debug-sections={all,gas,none}],
73 [compress debug sections by default]),
74[case ,"${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 ;;
78esac])dnl
79
80# PR gas/19520
81# Decide if x86 assembler should generate relax relocations.
82ac_default_x86_relax_relocations=unset
83# Provide a configure time option to override our default.
84AC_ARG_ENABLE(x86_relax_relocations,
85 AS_HELP_STRING([--enable-x86-relax-relocations],
86 [generate x86 relax relocations by default]),
87[case "${enableval}" in
88 no) ac_default_x86_relax_relocations=0 ;;
89esac])dnl
90
91# Decide if ELF assembler should generate common symbols with the
92# STT_COMMON type.
93ac_default_elf_stt_common=unset
94# Provide a configure time option to override our default.
95AC_ARG_ENABLE(elf_stt_common,
96 AS_HELP_STRING([--enable-elf-stt-common],
97 [generate ELF common symbols with STT_COMMON type by default]),
98[case "${enableval}" in
99 yes) ac_default_elf_stt_common=1 ;;
100esac])dnl
101
102
103# Decide if the ELF assembler should default to generating
104# GNU Build notes if none are provided by the input.
105ac_default_generate_build_notes=0
106# Provide a configuration option to override the default.
107AC_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 "${enableval}" in
111 yes) ac_default_generate_build_notes=1 ;;
112 no) ac_default_generate_build_notes=0 ;;
113esac])dnl
114
115
116using_cgen=no
117
118AM_BINUTILS_WARNINGS
119
120# Generate a header file
121AC_CONFIG_HEADERS(config.h:config.in)
122
123dnl Option --with-cpu=TYPE allows configure type control of the default
124dnl cpu type within the assembler. Currently only the ARC target
125dnl supports this feature, but others may be added in the future.
126AC_ARG_WITH(cpu,
127 AS_HELP_STRING([--with-cpu=CPU],
128 [default cpu variant is CPU (currently only supported on ARC)]),
129 [AC_DEFINE_UNQUOTED(TARGET_WITH_CPU,
130 "${with_cpu}",
131 [Target specific CPU.])],
132 [])
133
134# PR 14072
135AH_VERBATIM([00_CONFIG_H_CHECK],
136[/* Check that config.h is #included before system headers
137 (this works only for glibc, but that should be enough). */
138#if defined(__GLIBC__) && !defined(__FreeBSD_kernel__) && !defined(__CONFIG_H__)
139# error config.h must be #included before system headers
140#endif
141#define __CONFIG_H__ 1])
142
143# If we are on a DOS filesystem, we must use gdb.ini rather than
144# .gdbinit.
145case "${host}" in
146 *-*-msdos* | *-*-go32* | *-*-mingw32* | *-*-windows*)
147 GDBINIT="gdb.ini"
148 AC_CONFIG_FILES(gdb.ini:gdbinit.in)
149 ;;
150 *)
151 GDBINIT=".gdbinit"
152 AC_CONFIG_FILES(.gdbinit:gdbinit.in)
153 ;;
154esac
155AC_SUBST(GDBINIT)
156
157#We need this for the host.
158AC_C_BIGENDIAN
159
160te_file=generic
161
162# Makefile target for installing gas in $(tooldir)/bin.
163install_tooldir=install-exec-tooldir
164
165canon_targets=""
166all_targets=no
167if test -n "$enable_targets" ; then
168 for t in `echo $enable_targets | sed 's/,/ /g'`; do
169 if test $t = "all"; then
170 all_targets=yes
171 continue
172 fi
173 result=`$ac_config_sub $t 2>/dev/null`
174 if test -n "$result" ; then
175 canon_targets="$canon_targets $result"
176# else
177# # Permit "all", etc. We don't support it yet though.
178# canon_targets="$canon_targets $t"
179 fi
180 done
181 GAS_UNIQ(canon_targets)
182fi
183
184emulations=""
185
186for this_target in $target $canon_targets ; do
187
188 targ=${this_target}
189 . ${srcdir}/configure.tgt
190
191 case ${target_cpu} in
192 crisv32)
193 AC_DEFINE_UNQUOTED(DEFAULT_CRIS_ARCH, $arch,
194 [Default CRIS architecture.])
195 ;;
196 esac
197
198 if test ${this_target} = $target ; then
199 target_cpu_type=${cpu_type}
200 elif test ${target_cpu_type} != ${cpu_type} ; then
201 continue
202 fi
203
204 generic_target=${cpu_type}-${target_vendor}-${target_os}
205 case ${generic_target} in
206 i386-*-msdosdjgpp* \
207 | i386-*-go32* \
208 | i386-go32-rtems*)
209 AC_DEFINE(STRICTCOFF, 1, [Using strict COFF?])
210 ;;
211
212 i386-*-solaris2 \
213 | x86_64-*-solaris2 \
214 | i386-*-solaris2.[[0-9]] \
215 | i386-*-solaris2.1[[01]] \
216 | x86_64-*-solaris2.1[[01]])
217 if test ${this_target} = $target \
218 && test ${ac_default_x86_relax_relocations} = unset; then
219 ac_default_x86_relax_relocations=0
220 fi
221 ;;
222
223 microblaze*)
224 ;;
225
226changequote(,)dnl
227 ppc-*-aix[5-9].*)
228changequote([,])dnl
229 AC_DEFINE(AIX_WEAK_SUPPORT, 1,
230 [Define if using AIX 5.2 value for C_WEAKEXT.])
231 ;;
232 ppc-*-solaris*)
233 if test ${this_target} = $target; then
234 AC_DEFINE(TARGET_SOLARIS_COMMENT, 1,
235 [Define if default target is PowerPC Solaris.])
236 fi
237 if test x${endian} = xbig; then
238 AC_MSG_ERROR(Solaris must be configured little endian)
239 fi
240 ;;
241 esac
242
243 if test ${this_target} = $target ; then
244 endian_def=
245 if test x${endian} = xbig; then
246 endian_def=1
247 elif test x${endian} = xlittle; then
248 endian_def=0
249 fi
250 if test x${endian_def} != x; then
251 AC_DEFINE_UNQUOTED(TARGET_BYTES_BIG_ENDIAN, $endian_def,
252 [Define as 1 if big endian.])
253 fi
254 fi
255
256# Other random stuff.
257
258 case ${cpu_type} in
259 mips)
260 # Set mips_cpu to the name of the default CPU.
261 case ${target_cpu} in
262 mips | mipsbe | mipseb | mipsle | mipsel | mips64 | mips64el)
263 mips_cpu=from-abi
264 ;;
265 mipsisa32 | mipsisa32el)
266 mips_cpu=mips32
267 ;;
268 mipsisa32r2 | mipsisa32r2el)
269 mips_cpu=mips32r2
270 ;;
271 mipsisa32r3 | mipsisa32r3el)
272 mips_cpu=mips32r3
273 ;;
274 mipsisa32r5 | mipsisa32r5el)
275 mips_cpu=mips32r5
276 ;;
277 mipsisa32r6 | mipsisa32r6el)
278 mips_cpu=mips32r6
279 ;;
280 mipsisa64 | mipsisa64el)
281 mips_cpu=mips64
282 ;;
283 mipsisa64r2 | mipsisa64r2el)
284 mips_cpu=mips64r2
285 ;;
286 mipsisa64r3 | mipsisa64r3el)
287 mips_cpu=mips64r3
288 ;;
289 mipsisa64r5 | mipsisa64r5el)
290 mips_cpu=mips64r5
291 ;;
292 mipsisa64r6 | mipsisa64r6el)
293 mips_cpu=mips64r6
294 ;;
295 mipstx39 | mipstx39el)
296 mips_cpu=r3900
297 ;;
298 mips64vr | mips64vrel)
299 mips_cpu=vr4100
300 ;;
301 mipsisa32r2* | mipsisa64r2*)
302changequote(,)dnl
303 mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..r2//' -e 's/el$//'`
304changequote([,])dnl
305 ;;
306 mipsisa32r6* | mipsisa64r6*)
307changequote(,)dnl
308 mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..r6//' -e 's/el$//'`
309changequote([,])dnl
310 ;;
311 mips64* | mipsisa64* | mipsisa32*)
312changequote(,)dnl
313 mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..//' -e 's/el$//'`
314changequote([,])dnl
315 ;;
316 mips*)
317changequote(,)dnl
318 mips_cpu=`echo $target_cpu | sed -e 's/^mips//' -e 's/el$//'`
319changequote([,])dnl
320 ;;
321 *)
322 AC_MSG_ERROR($target_cpu isn't a supported MIPS CPU name)
323 ;;
324 esac
325 # See whether it's appropriate to set E_MIPS_ABI_O32 for o32
326 # binaries. It's a GNU extension that some OSes don't understand.
327 case ${target} in
328 *-*-irix*)
329 use_e_mips_abi_o32=0
330 ;;
331 *)
332 use_e_mips_abi_o32=1
333 ;;
334 esac
335 # Decide whether to generate 32-bit or 64-bit code by default.
336 # Used to resolve -march=from-abi when an embedded ABI is selected.
337 case ${target} in
338 mips64*-*-* | mipsisa64*-*-*)
339 mips_default_64bit=1
340 ;;
341 *)
342 mips_default_64bit=0
343 ;;
344 esac
345 # Decide which ABI to target by default.
346 case ${target} in
347 mips64*-linux* | mips-sgi-irix6* | mips64*-freebsd* \
348 | mips64*-kfreebsd*-gnu | mips64*-ps2-elf*)
349 mips_default_abi=N32_ABI
350 ;;
351 mips*-linux* | mips*-freebsd* | mips*-kfreebsd*-gnu)
352 mips_default_abi=O32_ABI
353 ;;
354 mips64*-openbsd*)
355 mips_default_abi=N64_ABI
356 ;;
357 *)
358 mips_default_abi=NO_ABI
359 ;;
360 esac
361 AC_DEFINE_UNQUOTED(MIPS_CPU_STRING_DEFAULT, "$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. ])
369 ;;
370 esac
371
372 # Do we need the opcodes library?
373 case ${cpu_type} in
374 vax | tic30)
375 ;;
376
377 *)
378 need_opcodes=yes
379
380 case "${enable_shared}" in
381 yes) shared_opcodes=true ;;
382 *opcodes*) shared_opcodes=true ;;
383 *) shared_opcodes=false ;;
384 esac
385 ;;
386 esac
387
388 # Any other special object files needed ?
389 case ${cpu_type} in
390
391 bfin)
392 echo ${extra_objects} | grep -s "bfin-parse.o"
393 if test $? -ne 0 ; then
394 extra_objects="$extra_objects bfin-parse.o"
395 fi
396
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"
400 fi
401 ;;
402
403 epiphany | fr30 | ip2k | iq2000 | lm32 | m32r | or1k)
404 using_cgen=yes
405 ;;
406
407 m32c)
408 using_cgen=yes
409 ;;
410 frv)
411 using_cgen=yes
412 ;;
413 m68k)
414 case ${extra_objects} in
415 *m68k-parse.o*) ;;
416 *) extra_objects="$extra_objects m68k-parse.o" ;;
417 esac
418 ;;
419
420 mep)
421 using_cgen=yes
422 ;;
423
424 mips)
425 echo ${extra_objects} | grep -s "itbl-parse.o"
426 if test $? -ne 0 ; then
427 extra_objects="$extra_objects itbl-parse.o"
428 fi
429
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"
433 fi
434
435 echo ${extra_objects} | grep -s "itbl-ops.o"
436 if test $? -ne 0 ; then
437 extra_objects="$extra_objects itbl-ops.o"
438 fi
439 ;;
440
441 mt)
442 using_cgen=yes
443 ;;
444
445 nds32)
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
450 case ${with_arch} in
451 v2j | v2s | v2f | v2 | v3m | v3j | v3s | v3f | v3 )
452 AC_DEFINE_UNQUOTED(NDS32_DEFAULT_ARCH_NAME, "$with_arch",
453 [Define value for nds32_arch_name])
454 ;;
455 *)
456 AC_MSG_ERROR(This kind of arch name does *NOT* exist!)
457 ;;
458 esac
459 fi
460 AC_MSG_RESULT($with_arch)
461
462 # Decide features one by one.
463 AC_MSG_CHECKING(for default configuration of --enable-dx-regs)
464 if test "x${enable_dx_regs}" = xyes; then
465 AC_DEFINE(NDS32_DEFAULT_DX_REGS, 1,
466 [Define value for nds32_dx_regs])
467 else
468 AC_DEFINE(NDS32_DEFAULT_DX_REGS, 0,
469 [Define default value for nds32_dx_regs])
470 fi
471 AC_MSG_RESULT($enable_dx_regs)
472
473 AC_MSG_CHECKING(for default configuration of --enable-perf-ext)
474 if test "x${enable_perf_ext}" = xno; then
475 AC_DEFINE(NDS32_DEFAULT_PERF_EXT, 0,
476 [Define value for nds32_perf_ext])
477 else
478 AC_DEFINE(NDS32_DEFAULT_PERF_EXT, 1,
479 [Define default value for nds32_perf_ext])
480 fi
481 AC_MSG_RESULT($enable_perf_ext)
482
483 AC_MSG_CHECKING(for default configuration of --enable-perf-ext2)
484 if test "x${enable_perf_ext2}" = xno; then
485 AC_DEFINE(NDS32_DEFAULT_PERF_EXT2, 0,
486 [Define value for nds32_perf_ext2])
487 else
488 AC_DEFINE(NDS32_DEFAULT_PERF_EXT2, 1,
489 [Define default value for nds32_perf_ext2])
490 fi
491 AC_MSG_RESULT($enable_perf_ext2)
492
493 AC_MSG_CHECKING(for default configuration of --enable-string-ext)
494 if test "x${enable_string_ext}" = xno; then
495 AC_DEFINE(NDS32_DEFAULT_STRING_EXT, 0,
496 [Define value for nds32_string_ext])
497 else
498 AC_DEFINE(NDS32_DEFAULT_STRING_EXT, 1,
499 [Define default value for nds32_string_ext])
500 fi
501 AC_MSG_RESULT($enable_string_ext)
502
503 AC_MSG_CHECKING(for default configuration of --enable-audio-ext)
504 if test "x${enable_audio_ext}" = xno; then
505 AC_DEFINE(NDS32_DEFAULT_AUDIO_EXT, 0,
506 [Define value for nds32_audio_ext])
507 else
508 AC_DEFINE(NDS32_DEFAULT_AUDIO_EXT, 1,
509 [Define default value for nds32_audio_ext])
510 fi
511 AC_MSG_RESULT($enable_audio_ext)
512 ;;
513
514 aarch64 | i386 | riscv | s390 | sparc)
515 if test $this_target = $target ; then
516 AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
517 fi
518 ;;
519
520 rl78)
521 echo ${extra_objects} | grep -s "rl78-parse.o"
522 if test $? -ne 0 ; then
523 extra_objects="$extra_objects rl78-parse.o"
524 fi
525 ;;
526
527 rx)
528 echo ${extra_objects} | grep -s "rx-parse.o"
529 if test $? -ne 0 ; then
530 extra_objects="$extra_objects rx-parse.o"
531 fi
532 ;;
533
534 xstormy16)
535 using_cgen=yes
536 ;;
537
538 xc16x)
539 using_cgen=yes
540 ;;
541
542 xtensa)
543 echo ${extra_objects} | grep -s "xtensa-relax.o"
544 if test $? -ne 0 ; then
545 extra_objects="$extra_objects xtensa-relax.o"
546 fi
547 ;;
548
549 *)
550 ;;
551 esac
552
553 if test $using_cgen = yes ; then
554 case "x${extra_objects}" in
555 *cgen.o*) ;;
556 *) extra_objects="$extra_objects cgen.o" ;;
557 esac
558 fi
559
560# See if we really can support this configuration with the emulation code.
561
562 if test $this_target = $target ; then
563 obj_format=$fmt
564 te_file=$em
565 fi
566
567 case ${te_file} in
568 vms) extra_objects="$extra_objects te-vms.o" ;;
569 esac
570
571# From target name and format, produce a list of supported emulations.
572
573 case ${generic_target}-${fmt} in
574 mips-*-*-*) case "$endian" in
575 big) emulation="mipsbelf mipslelf mipself" ;;
576 *) emulation="mipslelf mipsbelf mipself" ;;
577 esac ;;
578 # i386-pc-pe-coff != i386-pc-coff.
579 i386-*-pe-coff) ;;
580 # Uncommenting the next line will turn on support for i386 AOUT
581 # for the default linux configuration
582 # i386-*-linux*-elf) emulation="i386elf i386aout" ;;
583 #
584 i386-*-aout) emulation="i386aout" ;;
585 i386-*-coff) emulation="i386coff" ;;
586 i386-*-elf) emulation="i386elf" ;;
587
588 # Always all formats. The first stated emulation becomes the default.
589 cris-*-*aout*) emulation="crisaout criself" ;;
590 cris-*-*) emulation="criself crisaout" ;;
591 esac
592
593 emulations="$emulations $emulation"
594
595done
596
597if test ${ac_default_x86_relax_relocations} = unset; then
598 ac_default_x86_relax_relocations=1
599fi
600AC_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.])
603
604if test ${ac_default_elf_stt_common} = unset; then
605 ac_default_elf_stt_common=0
606fi
607AC_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.])
611
612AC_DEFINE_UNQUOTED(DEFAULT_GENERATE_BUILD_NOTES,
613 $ac_default_generate_build_notes,
614 [Define to 1 if you want to generate GNU Build attribute notes
615 by default, if none are contained in the input.])
616
617if test x$ac_default_compressed_debug_sections = xyes ; then
618 AC_DEFINE(DEFAULT_FLAG_COMPRESS_DEBUG, 1, [Define if you want compressed debug sections by default.])
619fi
620
621# Turn on all targets if possible
622if test ${all_targets} = "yes"; then
623 case ${target_cpu_type} in
624 i386)
625 case ${obj_format} in
626 aout)
627 emulations="$emulations i386coff i386elf"
628 ;;
629 coff)
630 emulations="$emulations i386aout i386elf"
631 ;;
632 elf)
633 emulations="$emulations i386aout i386coff"
634 ;;
635 esac
636 ;;
637 x86_64)
638 case ${obj_format} in
639 aout)
640 emulations="$emulations i386coff i386elf"
641 ;;
642 coff)
643 emulations="$emulations i386aout i386elf"
644 ;;
645 elf)
646 emulations="$emulations i386aout i386coff"
647 ;;
648 esac
649 ;;
650 esac
651fi
652
653# PE code has way too many macros tweaking behaviour
654case ${te_file} in
655 pe*) emulations="" ;;
656esac
657
658# Assign floating point type. Most processors with FP support
659# IEEE FP. On those that don't support FP at all, usually IEEE
660# is emulated.
661case ${target_cpu} in
662 vax | pdp11 ) atof=vax ;;
663 *) atof=ieee ;;
664esac
665
666case "${obj_format}" in
667 "") AC_MSG_ERROR(GAS does not know what format to use for target ${target}) ;;
668esac
669
670# Unfortunately the cpu in cpu-opc.h file isn't always $(TARGET_CPU).
671cgen_cpu_prefix=""
672if test $using_cgen = yes ; then
673 case ${target_cpu} in
674 or1knd)
675 cgen_cpu_prefix=or1k ;;
676 *) cgen_cpu_prefix=${target_cpu} ;;
677 esac
678 AC_SUBST(cgen_cpu_prefix)
679 AC_DEFINE(USING_CGEN, 1, [Using cgen code?])
680fi
681
682dnl
683dnl Make sure the desired support files exist.
684dnl
685
686if test ! -r ${srcdir}/config/tc-${target_cpu_type}.c; then
687 AC_MSG_ERROR(GAS does not support target CPU ${target_cpu_type})
688fi
689
690if test ! -r ${srcdir}/config/obj-${obj_format}.c; then
691 AC_MSG_ERROR(GAS does not have support for object file format ${obj_format})
692fi
693
694# Some COFF configurations want these random other flags set.
695case ${obj_format} in
696 coff)
697 case ${target_cpu_type} in
698 i386) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
699 x86_64) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
700 esac
701 ;;
702esac
703
704# Getting this done right is going to be a bitch. Each configuration specified
705# with --enable-targets=... should be checked for environment, format, cpu
706# setting.
707#
708# For each configuration, the necessary object file support code must be linked
709# in. This might be only one, it might be up to four. The necessary emulation
710# code needs to be provided, too.
711#
712# And then there's "--enable-targets=all"....
713#
714# For now, just always do it for MIPS ELF configurations. Sigh.
715
716formats="${obj_format}"
717emfiles=""
718EMULATIONS=""
719GAS_UNIQ(emulations)
720for em in . $emulations ; do
721 case $em in
722 .) continue ;;
723 mipsbelf | mipslelf | mipself)
724 fmt=elf file=mipself ;;
725 *coff)
726 fmt=coff file=$em ;;
727 *aout)
728 fmt=aout file=$em ;;
729 *elf)
730 fmt=elf file=$em ;;
731 esac
732 formats="$formats $fmt"
733 emfiles="$emfiles config/e-$file.o"
734 EMULATIONS="$EMULATIONS &$em,"
735done
736GAS_UNIQ(formats)
737GAS_UNIQ(emfiles)
738if test `set . $formats ; shift ; echo $#` -gt 1 ; then
739 for fmt in $formats ; do
740 case $fmt in
741 aout) AC_DEFINE(OBJ_MAYBE_AOUT, 1, [a.out support?]) ;;
742 coff) AC_DEFINE(OBJ_MAYBE_COFF, 1, [COFF support?]) ;;
743 ecoff) AC_DEFINE(OBJ_MAYBE_ECOFF, 1, [ECOFF support?]) ;;
744 elf) AC_DEFINE(OBJ_MAYBE_ELF, 1, [ELF support?]) ;;
745 generic) AC_DEFINE(OBJ_MAYBE_GENERIC, 1, [generic support?]) ;;
746 som) AC_DEFINE(OBJ_MAYBE_SOM, 1, [SOM support?]) ;;
747 esac
748 extra_objects="$extra_objects config/obj-$fmt.o"
749 done
750 obj_format=multi
751fi
752if test `set . $emfiles ; shift ; echo $#` -gt 0 ; then
753 DEFAULT_EMULATION=`set . $emulations ; echo $2`
754 # e-mipself has more than one emulation per file, e-i386* has just one at the
755 # moment. If only one emulation is specified, then don't define
756 # USE_EMULATIONS or include any of the e-files as they will only be bloat.
757 case "${obj_format}${emfiles}" in
758 multi* | *mipself*)
759 extra_objects="$extra_objects $emfiles"
760 AC_DEFINE(USE_EMULATIONS, 1, [Use emulation support?]) ;;
761 esac
762fi
763AC_SUBST(extra_objects)
764AC_DEFINE_UNQUOTED(EMULATIONS, $EMULATIONS, [Supported emulations.])
765AC_DEFINE_UNQUOTED(DEFAULT_EMULATION, "$DEFAULT_EMULATION",
766 [Default emulation.])
767
768reject_dev_configs=yes
769
770case ${reject_dev_configs}-${dev} in
771 yes-yes) # Oops.
772 AC_MSG_ERROR(GAS does not support the ${generic_target} configuration.)
773 ;;
774esac
775
776AC_SUBST(target_cpu_type)
777AC_SUBST(obj_format)
778AC_SUBST(te_file)
779AC_SUBST(install_tooldir)
780AC_SUBST(atof)
781dnl AC_SUBST(emulation)
782
783# do we need the opcodes library?
784case "${need_opcodes}" in
785yes)
786 OPCODES_LIB=../opcodes/libopcodes.la
787 ;;
788esac
789
790AC_SUBST(OPCODES_LIB)
791
792AC_DEFINE_UNQUOTED(TARGET_ALIAS, "${target_alias}", [Target alias.])
793AC_DEFINE_UNQUOTED(TARGET_CANONICAL, "${target}", [Canonical target.])
794AC_DEFINE_UNQUOTED(TARGET_CPU, "${target_cpu}", [Target CPU.])
795AC_DEFINE_UNQUOTED(TARGET_VENDOR, "${target_vendor}", [Target vendor.])
796AC_DEFINE_UNQUOTED(TARGET_OS, "${target_os}", [Target OS.])
797
798AC_PROG_YACC
799AM_PROG_LEX
800
801ALL_LINGUAS="es fi fr id ja ru rw sv tr uk zh_CN"
802ZW_GNU_GETTEXT_SISTER_DIR
803AM_PO_SUBDIRS
804
805AM_MAINTAINER_MODE
806AM_CONDITIONAL(GENINSRC_NEVER, false)
807AC_EXEEXT
808
809AC_CHECK_HEADERS(string.h stdlib.h memory.h strings.h unistd.h errno.h sys/types.h limits.h locale.h time.h sys/stat.h)
810ACX_HEADER_STRING
811
812# Put this here so that autoconf's "cross-compiling" message doesn't confuse
813# people who are not cross-compiling but are compiling cross-assemblers.
814AC_MSG_CHECKING(whether compiling a cross-assembler)
815if test "${host}" = "${target}"; then
816 cross_gas=no
817else
818 cross_gas=yes
819 AC_DEFINE(CROSS_COMPILE, 1, [Compiling cross-assembler?])
820fi
821AC_MSG_RESULT($cross_gas)
822
823dnl ansidecl.h will deal with const
824dnl AC_C_CONST
825AC_FUNC_ALLOCA
826AC_C_INLINE
827
828# VMS doesn't have unlink.
829AC_CHECK_FUNCS(unlink remove, break)
830AC_CHECK_FUNCS(sbrk setlocale)
831AC_CHECK_FUNCS(strsignal)
832
833AM_LC_MESSAGES
834
835# do we need the math library?
836case "${need_libm}" in
837yes)
838 LT_LIB_M
839 AC_SUBST(LIBM)
840 ;;
841esac
842
843# Some non-ANSI preprocessors botch requoting inside strings. That's bad
844# enough, but on some of those systems, the assert macro relies on requoting
845# working properly!
846GAS_WORKING_ASSERT
847
848# On some systems, the system header files may not declare malloc, realloc,
849# and free. There are places where gas needs these functions to have been
850# declared -- such as when taking their addresses.
851gas_test_headers="
852#ifdef HAVE_MEMORY_H
853#include <memory.h>
854#endif
855#ifdef HAVE_STRING_H
856#include <string.h>
857#else
858#ifdef HAVE_STRINGS_H
859#include <strings.h>
860#endif
861#endif
862#ifdef HAVE_STDLIB_H
863#include <stdlib.h>
864#endif
865#ifdef HAVE_UNISTD_H
866#include <unistd.h>
867#endif
868"
869
870# Does errno.h declare errno, or do we have to add a separate declaration
871# for it?
872GAS_CHECK_DECL_NEEDED(errno, f, int f, [
873#ifdef HAVE_ERRNO_H
874#include <errno.h>
875#endif
876])
877
878AC_MSG_CHECKING(for a known getopt prototype in unistd.h)
879AC_CACHE_VAL(gas_cv_decl_getopt_unistd_h,
880[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);])],
881gas_cv_decl_getopt_unistd_h=yes, gas_cv_decl_getopt_unistd_h=no)])
882AC_MSG_RESULT($gas_cv_decl_getopt_unistd_h)
883if test $gas_cv_decl_getopt_unistd_h = yes; then
884 AC_DEFINE([HAVE_DECL_GETOPT], 1,
885 [Is the prototype for getopt in <unistd.h> in the expected format?])
886fi
887
888GAS_CHECK_DECL_NEEDED(environ, f, char **f, $gas_test_headers)
889GAS_CHECK_DECL_NEEDED(ffs, f, int (*f)(int), $gas_test_headers)
890GAS_CHECK_DECL_NEEDED(free, f, void (*f)(), $gas_test_headers)
891GAS_CHECK_DECL_NEEDED(malloc, f, char *(*f)(), $gas_test_headers)
892GAS_CHECK_DECL_NEEDED(sbrk, f, char *(*f)(), $gas_test_headers)
893GAS_CHECK_DECL_NEEDED(strstr, f, char *(*f)(), $gas_test_headers)
894
895AC_CHECK_DECLS([free, getenv, malloc, mempcpy, realloc, stpcpy, strstr, vsnprintf, asprintf])
896
897BFD_BINARY_FOPEN
898
899# Link in zlib if we can. This allows us to write compressed debug sections.
900AM_ZLIB
901
902# Support for VMS timestamps via cross compile
903
904if test "$ac_cv_header_time_h" = yes; then
905 GAS_HAVE_TIME_TYPE_MEMBER(struct tm, tm_gmtoff)
906fi
907
908if test "$ac_cv_header_sys_stat_h" = yes; then
909 GAS_HAVE_SYS_STAT_TYPE_MEMBER(struct stat, st_mtim, tv_sec)
910 GAS_HAVE_SYS_STAT_TYPE_MEMBER(struct stat, st_mtim, tv_nsec)
911fi
912
913
914dnl Required for html, pdf, install-pdf and install-html targets.
915AC_SUBST(datarootdir)
916AC_SUBST(docdir)
917AC_SUBST(htmldir)
918AC_SUBST(pdfdir)
919
920dnl This must come last.
921
922dnl We used to make symlinks to files in the source directory, but now
923dnl we just use the right name for .c files, and create .h files in
924dnl the build directory which include the right .h file. Make sure
925dnl the old symlinks don't exist, so that a reconfigure in an existing
926dnl directory behaves reasonably.
927
928AC_CONFIG_FILES(Makefile doc/Makefile po/Makefile.in:po/Make-in)
929AC_CONFIG_COMMANDS([default],
930[rm -f targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c itbl-cpu.h
931 echo '#include "tc-'"${target_cpu_type}"'.h"' > targ-cpu.h
932 echo '#include "obj-'"${obj_format}"'.h"' > obj-format.h
933 echo '#include "te-'"${te_file}"'.h"' > targ-env.h
934 echo '#include "itbl-'"${target_cpu_type}"'.h"' > itbl-cpu.h
935 if test "x$cgen_cpu_prefix" != x ; then
936 echo '#include "opcodes/'"${cgen_cpu_prefix}"'-desc.h"' > cgen-desc.h
937 fi],
938[target_cpu_type=${target_cpu_type}
939 cgen_cpu_prefix=${cgen_cpu_prefix}
940 obj_format=${obj_format}
941 te_file=${te_file}])
942
943AC_OUTPUT
GDB Binutils - Deliverables
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