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RISC-V: Add RV32E support.
[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
23AC_PREREQ(2.59)
24m4_include([../bfd/version.m4])
25AC_INIT([gas], BFD_VERSION)
26AC_CONFIG_SRCDIR(as.h)
27
28dnl Autoconf 2.57 will find the aux dir without this. However, unless
29dnl we specify this explicitly, automake-1.7 will assume that ylwrap is in
30dnl gas/ instead of gas/../.
31AC_CONFIG_AUX_DIR(..)
32AC_CANONICAL_TARGET
33AC_ISC_POSIX
34
35AM_INIT_AUTOMAKE
36
37AC_PROG_CC
38AC_GNU_SOURCE
39AC_USE_SYSTEM_EXTENSIONS
40
41LT_INIT
42ACX_LARGEFILE
43ACX_PROG_CMP_IGNORE_INITIAL
44
45AC_ARG_ENABLE(targets,
46[ --enable-targets alternative target configurations besides the primary],
47[case "${enableval}" in
48 yes | "") AC_MSG_ERROR(enable-targets option must specify target names or 'all')
49 ;;
50 no) enable_targets= ;;
51 *) enable_targets=$enableval ;;
52esac])dnl
53
54ac_checking=yes
55if grep '^RELEASE=y' ${srcdir}/../bfd/Makefile.am >/dev/null 2>/dev/null ; then
56 ac_checking=
57fi
58AC_ARG_ENABLE(checking,
59[ --enable-checking enable run-time checks],
60[case "${enableval}" in
61 no|none) ac_checking= ;;
62 *) ac_checking=yes ;;
63esac])dnl
64if test x$ac_checking != x ; then
65 AC_DEFINE(ENABLE_CHECKING, 1, [Define if you want run-time sanity checks.])
66fi
67
68# PR gas/19109
69# Decide the default method for compressing debug sections.
70ac_default_compressed_debug_sections=unset
71# Provide a configure time option to override our default.
72AC_ARG_ENABLE(compressed_debug_sections,
73 AS_HELP_STRING([--enable-compressed-debug-sections={all,gas,none}],
74 [compress debug sections by default]),
75[case ,"${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 ;;
79esac])dnl
80
81# PR gas/19520
82# Decide if x86 assembler should generate relax relocations.
83ac_default_x86_relax_relocations=unset
84# Provide a configure time option to override our default.
85AC_ARG_ENABLE(x86_relax_relocations,
86 AS_HELP_STRING([--enable-x86-relax-relocations],
87 [generate x86 relax relocations by default]),
88[case "${enableval}" in
89 no) ac_default_x86_relax_relocations=0 ;;
90esac])dnl
91
92# Decide if ELF assembler should generate common symbols with the
93# STT_COMMON type.
94ac_default_elf_stt_common=unset
95# Provide a configure time option to override our default.
96AC_ARG_ENABLE(elf_stt_common,
97 AS_HELP_STRING([--enable-elf-stt-common],
98 [generate ELF common symbols with STT_COMMON type by default]),
99[case "${enableval}" in
100 yes) ac_default_elf_stt_common=1 ;;
101esac])dnl
102
103
104# Decide if the ELF assembler should default to generating
105# GNU Build notes if none are provided by the input.
106ac_default_generate_build_notes=0
107# Provide a configuration option to override the default.
108AC_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 "${enableval}" in
112 yes) ac_default_generate_build_notes=1 ;;
113 no) ac_default_generate_build_notes=0 ;;
114esac])dnl
115
116
117using_cgen=no
118
119AM_BINUTILS_WARNINGS
120
121# Generate a header file
122AC_CONFIG_HEADERS(config.h:config.in)
123
124dnl Option --with-cpu=TYPE allows configure type control of the default
125dnl cpu type within the assembler. Currently only the ARC target
126dnl supports this feature, but others may be added in the future.
127AC_ARG_WITH(cpu,
128 AS_HELP_STRING([--with-cpu=CPU],
129 [default cpu variant is CPU (currently only supported on ARC)]),
130 [AC_DEFINE_UNQUOTED(TARGET_WITH_CPU,
131 "${with_cpu}",
132 [Target specific CPU.])],
133 [])
134
135# PR 14072
136AH_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
141#endif
142#define __CONFIG_H__ 1])
143
144# If we are on a DOS filesystem, we must use gdb.ini rather than
145# .gdbinit.
146case "${host}" in
147 *-*-msdos* | *-*-go32* | *-*-mingw32* | *-*-windows*)
148 GDBINIT="gdb.ini"
149 AC_CONFIG_FILES(gdb.ini:gdbinit.in)
150 ;;
151 *)
152 GDBINIT=".gdbinit"
153 AC_CONFIG_FILES(.gdbinit:gdbinit.in)
154 ;;
155esac
156AC_SUBST(GDBINIT)
157
158#We need this for the host.
159AC_C_BIGENDIAN
160
161te_file=generic
162
163# Makefile target for installing gas in $(tooldir)/bin.
164install_tooldir=install-exec-tooldir
165
166canon_targets=""
167all_targets=no
168if test -n "$enable_targets" ; then
169 for t in `echo $enable_targets | sed 's/,/ /g'`; do
170 if test $t = "all"; then
171 all_targets=yes
172 continue
173 fi
174 result=`$ac_config_sub $t 2>/dev/null`
175 if test -n "$result" ; then
176 canon_targets="$canon_targets $result"
177# else
178# # Permit "all", etc. We don't support it yet though.
179# canon_targets="$canon_targets $t"
180 fi
181 done
182 GAS_UNIQ(canon_targets)
183fi
184
185emulations=""
186
187for this_target in $target $canon_targets ; do
188
189 targ=${this_target}
190 . ${srcdir}/configure.tgt
191
192 case ${target_cpu} in
193 crisv32)
194 AC_DEFINE_UNQUOTED(DEFAULT_CRIS_ARCH, $arch,
195 [Default CRIS architecture.])
196 ;;
197 esac
198
199 if test ${this_target} = $target ; then
200 target_cpu_type=${cpu_type}
201 elif test ${target_cpu_type} != ${cpu_type} ; then
202 continue
203 fi
204
205 generic_target=${cpu_type}-${target_vendor}-${target_os}
206 case ${generic_target} in
207 i386-*-msdosdjgpp* \
208 | i386-*-go32* \
209 | i386-go32-rtems*)
210 AC_DEFINE(STRICTCOFF, 1, [Using strict COFF?])
211 ;;
212
213 i386-*-solaris2 \
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
221 fi
222 ;;
223
224 microblaze*)
225 ;;
226
227changequote(,)dnl
228 ppc-*-aix[5-9].*)
229changequote([,])dnl
230 AC_DEFINE(AIX_WEAK_SUPPORT, 1,
231 [Define if using AIX 5.2 value for C_WEAKEXT.])
232 ;;
233 ppc-*-solaris*)
234 if test ${this_target} = $target; then
235 AC_DEFINE(TARGET_SOLARIS_COMMENT, 1,
236 [Define if default target is PowerPC Solaris.])
237 fi
238 if test x${endian} = xbig; then
239 AC_MSG_ERROR(Solaris must be configured little endian)
240 fi
241 ;;
242 esac
243
244 if test ${this_target} = $target ; then
245 endian_def=
246 if test x${endian} = xbig; then
247 endian_def=1
248 elif test x${endian} = xlittle; then
249 endian_def=0
250 fi
251 if test x${endian_def} != x; then
252 AC_DEFINE_UNQUOTED(TARGET_BYTES_BIG_ENDIAN, $endian_def,
253 [Define as 1 if big endian.])
254 fi
255 fi
256
257# Other random stuff.
258
259 case ${cpu_type} in
260 mips)
261 # Set mips_cpu to the name of the default CPU.
262 case ${target_cpu} in
263 mips | mipsbe | mipseb | mipsle | mipsel | mips64 | mips64el)
264 mips_cpu=from-abi
265 ;;
266 mipsisa32 | mipsisa32el)
267 mips_cpu=mips32
268 ;;
269 mipsisa32r2 | mipsisa32r2el)
270 mips_cpu=mips32r2
271 ;;
272 mipsisa32r3 | mipsisa32r3el)
273 mips_cpu=mips32r3
274 ;;
275 mipsisa32r5 | mipsisa32r5el)
276 mips_cpu=mips32r5
277 ;;
278 mipsisa32r6 | mipsisa32r6el)
279 mips_cpu=mips32r6
280 ;;
281 mipsisa64 | mipsisa64el)
282 mips_cpu=mips64
283 ;;
284 mipsisa64r2 | mipsisa64r2el)
285 mips_cpu=mips64r2
286 ;;
287 mipsisa64r3 | mipsisa64r3el)
288 mips_cpu=mips64r3
289 ;;
290 mipsisa64r5 | mipsisa64r5el)
291 mips_cpu=mips64r5
292 ;;
293 mipsisa64r6 | mipsisa64r6el)
294 mips_cpu=mips64r6
295 ;;
296 mipstx39 | mipstx39el)
297 mips_cpu=r3900
298 ;;
299 mips64vr | mips64vrel)
300 mips_cpu=vr4100
301 ;;
302 mipsisa32r2* | mipsisa64r2*)
303changequote(,)dnl
304 mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..r2//' -e 's/el$//'`
305changequote([,])dnl
306 ;;
307 mipsisa32r6* | mipsisa64r6*)
308changequote(,)dnl
309 mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..r6//' -e 's/el$//'`
310changequote([,])dnl
311 ;;
312 mips64* | mipsisa64* | mipsisa32*)
313changequote(,)dnl
314 mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..//' -e 's/el$//'`
315changequote([,])dnl
316 ;;
317 mips*)
318changequote(,)dnl
319 mips_cpu=`echo $target_cpu | sed -e 's/^mips//' -e 's/el$//'`
320changequote([,])dnl
321 ;;
322 *)
323 AC_MSG_ERROR($target_cpu isn't a supported MIPS CPU name)
324 ;;
325 esac
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.
328 case ${target} in
329 *-*-irix*)
330 use_e_mips_abi_o32=0
331 ;;
332 *)
333 use_e_mips_abi_o32=1
334 ;;
335 esac
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.
338 case ${target} in
339 mips64*-*-* | mipsisa64*-*-*)
340 mips_default_64bit=1
341 ;;
342 *)
343 mips_default_64bit=0
344 ;;
345 esac
346 # Decide which ABI to target by default.
347 case ${target} in
348 mips64*-linux* | mips-sgi-irix6* | mips64*-freebsd* \
349 | mips64*-kfreebsd*-gnu | mips64*-ps2-elf*)
350 mips_default_abi=N32_ABI
351 ;;
352 mips*-linux* | mips*-freebsd* | mips*-kfreebsd*-gnu)
353 mips_default_abi=O32_ABI
354 ;;
355 mips64*-openbsd*)
356 mips_default_abi=N64_ABI
357 ;;
358 *)
359 mips_default_abi=NO_ABI
360 ;;
361 esac
362 AC_DEFINE_UNQUOTED(MIPS_CPU_STRING_DEFAULT, "$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. ])
370 ;;
371 esac
372
373 # Do we need the opcodes library?
374 case ${cpu_type} in
375 vax | tic30)
376 ;;
377
378 *)
379 need_opcodes=yes
380
381 case "${enable_shared}" in
382 yes) shared_opcodes=true ;;
383 *opcodes*) shared_opcodes=true ;;
384 *) shared_opcodes=false ;;
385 esac
386 ;;
387 esac
388
389 # Any other special object files needed ?
390 case ${cpu_type} in
391
392 bfin)
393 echo ${extra_objects} | grep -s "bfin-parse.o"
394 if test $? -ne 0 ; then
395 extra_objects="$extra_objects bfin-parse.o"
396 fi
397
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"
401 fi
402 ;;
403
404 epiphany | fr30 | ip2k | iq2000 | lm32 | m32r | or1k)
405 using_cgen=yes
406 ;;
407
408 m32c)
409 using_cgen=yes
410 ;;
411 frv)
412 using_cgen=yes
413 ;;
414 m68k)
415 case ${extra_objects} in
416 *m68k-parse.o*) ;;
417 *) extra_objects="$extra_objects m68k-parse.o" ;;
418 esac
419 ;;
420
421 mep)
422 using_cgen=yes
423 ;;
424
425 mips)
426 echo ${extra_objects} | grep -s "itbl-parse.o"
427 if test $? -ne 0 ; then
428 extra_objects="$extra_objects itbl-parse.o"
429 fi
430
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"
434 fi
435
436 echo ${extra_objects} | grep -s "itbl-ops.o"
437 if test $? -ne 0 ; then
438 extra_objects="$extra_objects itbl-ops.o"
439 fi
440 ;;
441
442 mt)
443 using_cgen=yes
444 ;;
445
446 nds32)
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
451 case ${with_arch} in
452 v2j | v2s | v2f | v2 | v3m | v3j | v3s | v3f | v3 )
453 AC_DEFINE_UNQUOTED(NDS32_DEFAULT_ARCH_NAME, "$with_arch",
454 [Define value for nds32_arch_name])
455 ;;
456 *)
457 AC_MSG_ERROR(This kind of arch name does *NOT* exist!)
458 ;;
459 esac
460 fi
461 AC_MSG_RESULT($with_arch)
462
463 # Decide features one by one.
464 AC_MSG_CHECKING(for default configuration of --enable-dx-regs)
465 if test "x${enable_dx_regs}" = xyes; then
466 AC_DEFINE(NDS32_DEFAULT_DX_REGS, 1,
467 [Define value for nds32_dx_regs])
468 else
469 AC_DEFINE(NDS32_DEFAULT_DX_REGS, 0,
470 [Define default value for nds32_dx_regs])
471 fi
472 AC_MSG_RESULT($enable_dx_regs)
473
474 AC_MSG_CHECKING(for default configuration of --enable-perf-ext)
475 if test "x${enable_perf_ext}" = xno; then
476 AC_DEFINE(NDS32_DEFAULT_PERF_EXT, 0,
477 [Define value for nds32_perf_ext])
478 else
479 AC_DEFINE(NDS32_DEFAULT_PERF_EXT, 1,
480 [Define default value for nds32_perf_ext])
481 fi
482 AC_MSG_RESULT($enable_perf_ext)
483
484 AC_MSG_CHECKING(for default configuration of --enable-perf-ext2)
485 if test "x${enable_perf_ext2}" = xno; then
486 AC_DEFINE(NDS32_DEFAULT_PERF_EXT2, 0,
487 [Define value for nds32_perf_ext2])
488 else
489 AC_DEFINE(NDS32_DEFAULT_PERF_EXT2, 1,
490 [Define default value for nds32_perf_ext2])
491 fi
492 AC_MSG_RESULT($enable_perf_ext2)
493
494 AC_MSG_CHECKING(for default configuration of --enable-string-ext)
495 if test "x${enable_string_ext}" = xno; then
496 AC_DEFINE(NDS32_DEFAULT_STRING_EXT, 0,
497 [Define value for nds32_string_ext])
498 else
499 AC_DEFINE(NDS32_DEFAULT_STRING_EXT, 1,
500 [Define default value for nds32_string_ext])
501 fi
502 AC_MSG_RESULT($enable_string_ext)
503
504 AC_MSG_CHECKING(for default configuration of --enable-audio-ext)
505 if test "x${enable_audio_ext}" = xno; then
506 AC_DEFINE(NDS32_DEFAULT_AUDIO_EXT, 0,
507 [Define value for nds32_audio_ext])
508 else
509 AC_DEFINE(NDS32_DEFAULT_AUDIO_EXT, 1,
510 [Define default value for nds32_audio_ext])
511 fi
512 AC_MSG_RESULT($enable_audio_ext)
513 ;;
514
515 aarch64 | i386 | riscv | s390 | sparc)
516 if test $this_target = $target ; then
517 AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
518 fi
519 ;;
520
521 rl78)
522 echo ${extra_objects} | grep -s "rl78-parse.o"
523 if test $? -ne 0 ; then
524 extra_objects="$extra_objects rl78-parse.o"
525 fi
526 ;;
527
528 rx)
529 echo ${extra_objects} | grep -s "rx-parse.o"
530 if test $? -ne 0 ; then
531 extra_objects="$extra_objects rx-parse.o"
532 fi
533 ;;
534
535 xstormy16)
536 using_cgen=yes
537 ;;
538
539 xc16x)
540 using_cgen=yes
541 ;;
542
543 xtensa)
544 echo ${extra_objects} | grep -s "xtensa-relax.o"
545 if test $? -ne 0 ; then
546 extra_objects="$extra_objects xtensa-relax.o"
547 fi
548 ;;
549
550 *)
551 ;;
552 esac
553
554 if test $using_cgen = yes ; then
555 case "x${extra_objects}" in
556 *cgen.o*) ;;
557 *) extra_objects="$extra_objects cgen.o" ;;
558 esac
559 fi
560
561# See if we really can support this configuration with the emulation code.
562
563 if test $this_target = $target ; then
564 obj_format=$fmt
565 te_file=$em
566 fi
567
568 case ${te_file} in
569 vms) extra_objects="$extra_objects te-vms.o" ;;
570 esac
571
572# From target name and format, produce a list of supported emulations.
573
574 case ${generic_target}-${fmt} in
575 mips-*-*-*) case "$endian" in
576 big) emulation="mipsbelf mipslelf mipself" ;;
577 *) emulation="mipslelf mipsbelf mipself" ;;
578 esac ;;
579 # i386-pc-pe-coff != i386-pc-coff.
580 i386-*-pe-coff) ;;
581 # Uncommenting the next line will turn on support for i386 AOUT
582 # for the default linux configuration
583 # i386-*-linux*-elf) emulation="i386elf i386aout" ;;
584 #
585 i386-*-aout) emulation="i386aout" ;;
586 i386-*-coff) emulation="i386coff" ;;
587 i386-*-elf) emulation="i386elf" ;;
588
589 # Always all formats. The first stated emulation becomes the default.
590 cris-*-*aout*) emulation="crisaout criself" ;;
591 cris-*-*) emulation="criself crisaout" ;;
592 esac
593
594 emulations="$emulations $emulation"
595
596done
597
598if test ${ac_default_x86_relax_relocations} = unset; then
599 ac_default_x86_relax_relocations=1
600fi
601AC_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.])
604
605if test ${ac_default_elf_stt_common} = unset; then
606 ac_default_elf_stt_common=0
607fi
608AC_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.])
612
613AC_DEFINE_UNQUOTED(DEFAULT_GENERATE_BUILD_NOTES,
614 $ac_default_generate_build_notes,
615 [Define to 1 if you want to generate GNU Build attribute notes
616 by default, if none are contained in the input.])
617
618if test x$ac_default_compressed_debug_sections = xyes ; then
619 AC_DEFINE(DEFAULT_FLAG_COMPRESS_DEBUG, 1, [Define if you want compressed debug sections by default.])
620fi
621
622# Turn on all targets if possible
623if test ${all_targets} = "yes"; then
624 case ${target_cpu_type} in
625 i386)
626 case ${obj_format} in
627 aout)
628 emulations="$emulations i386coff i386elf"
629 ;;
630 coff)
631 emulations="$emulations i386aout i386elf"
632 ;;
633 elf)
634 emulations="$emulations i386aout i386coff"
635 ;;
636 esac
637 ;;
638 x86_64)
639 case ${obj_format} in
640 aout)
641 emulations="$emulations i386coff i386elf"
642 ;;
643 coff)
644 emulations="$emulations i386aout i386elf"
645 ;;
646 elf)
647 emulations="$emulations i386aout i386coff"
648 ;;
649 esac
650 ;;
651 esac
652fi
653
654# PE code has way too many macros tweaking behaviour
655case ${te_file} in
656 pe*) emulations="" ;;
657esac
658
659# Assign floating point type. Most processors with FP support
660# IEEE FP. On those that don't support FP at all, usually IEEE
661# is emulated.
662case ${target_cpu} in
663 vax | pdp11 ) atof=vax ;;
664 *) atof=ieee ;;
665esac
666
667case "${obj_format}" in
668 "") AC_MSG_ERROR(GAS does not know what format to use for target ${target}) ;;
669esac
670
671# Unfortunately the cpu in cpu-opc.h file isn't always $(TARGET_CPU).
672cgen_cpu_prefix=""
673if test $using_cgen = yes ; then
674 case ${target_cpu} in
675 or1knd)
676 cgen_cpu_prefix=or1k ;;
677 *) cgen_cpu_prefix=${target_cpu} ;;
678 esac
679 AC_SUBST(cgen_cpu_prefix)
680 AC_DEFINE(USING_CGEN, 1, [Using cgen code?])
681fi
682
683dnl
684dnl Make sure the desired support files exist.
685dnl
686
687if test ! -r ${srcdir}/config/tc-${target_cpu_type}.c; then
688 AC_MSG_ERROR(GAS does not support target CPU ${target_cpu_type})
689fi
690
691if test ! -r ${srcdir}/config/obj-${obj_format}.c; then
692 AC_MSG_ERROR(GAS does not have support for object file format ${obj_format})
693fi
694
695# Some COFF configurations want these random other flags set.
696case ${obj_format} in
697 coff)
698 case ${target_cpu_type} in
699 i386) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
700 x86_64) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
701 esac
702 ;;
703esac
704
705# Getting this done right is going to be a bitch. Each configuration specified
706# with --enable-targets=... should be checked for environment, format, cpu
707# setting.
708#
709# For each configuration, the necessary object file support code must be linked
710# in. This might be only one, it might be up to four. The necessary emulation
711# code needs to be provided, too.
712#
713# And then there's "--enable-targets=all"....
714#
715# For now, just always do it for MIPS ELF configurations. Sigh.
716
717formats="${obj_format}"
718emfiles=""
719EMULATIONS=""
720GAS_UNIQ(emulations)
721for em in . $emulations ; do
722 case $em in
723 .) continue ;;
724 mipsbelf | mipslelf | mipself)
725 fmt=elf file=mipself ;;
726 *coff)
727 fmt=coff file=$em ;;
728 *aout)
729 fmt=aout file=$em ;;
730 *elf)
731 fmt=elf file=$em ;;
732 esac
733 formats="$formats $fmt"
734 emfiles="$emfiles e-$file.o"
735 EMULATIONS="$EMULATIONS &$em,"
736done
737GAS_UNIQ(formats)
738GAS_UNIQ(emfiles)
739if test `set . $formats ; shift ; echo $#` -gt 1 ; then
740 for fmt in $formats ; do
741 case $fmt in
742 aout) AC_DEFINE(OBJ_MAYBE_AOUT, 1, [a.out support?]) ;;
743 coff) AC_DEFINE(OBJ_MAYBE_COFF, 1, [COFF support?]) ;;
744 ecoff) AC_DEFINE(OBJ_MAYBE_ECOFF, 1, [ECOFF support?]) ;;
745 elf) AC_DEFINE(OBJ_MAYBE_ELF, 1, [ELF support?]) ;;
746 generic) AC_DEFINE(OBJ_MAYBE_GENERIC, 1, [generic support?]) ;;
747 som) AC_DEFINE(OBJ_MAYBE_SOM, 1, [SOM support?]) ;;
748 esac
749 extra_objects="$extra_objects obj-$fmt.o"
750 done
751 obj_format=multi
752fi
753if 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}${emfiles}" in
759 multi* | *mipself*)
760 extra_objects="$extra_objects $emfiles"
761 AC_DEFINE(USE_EMULATIONS, 1, [Use emulation support?]) ;;
762 esac
763fi
764AC_SUBST(extra_objects)
765AC_DEFINE_UNQUOTED(EMULATIONS, $EMULATIONS, [Supported emulations.])
766AC_DEFINE_UNQUOTED(DEFAULT_EMULATION, "$DEFAULT_EMULATION",
767 [Default emulation.])
768
769reject_dev_configs=yes
770
771case ${reject_dev_configs}-${dev} in
772 yes-yes) # Oops.
773 AC_MSG_ERROR(GAS does not support the ${generic_target} configuration.)
774 ;;
775esac
776
777AC_SUBST(target_cpu_type)
778AC_SUBST(obj_format)
779AC_SUBST(te_file)
780AC_SUBST(install_tooldir)
781AC_SUBST(atof)
782dnl AC_SUBST(emulation)
783
784# do we need the opcodes library?
785case "${need_opcodes}" in
786yes)
787 OPCODES_LIB=../opcodes/libopcodes.la
788 ;;
789esac
790
791AC_SUBST(OPCODES_LIB)
792
793AC_DEFINE_UNQUOTED(TARGET_ALIAS, "${target_alias}", [Target alias.])
794AC_DEFINE_UNQUOTED(TARGET_CANONICAL, "${target}", [Canonical target.])
795AC_DEFINE_UNQUOTED(TARGET_CPU, "${target_cpu}", [Target CPU.])
796AC_DEFINE_UNQUOTED(TARGET_VENDOR, "${target_vendor}", [Target vendor.])
797AC_DEFINE_UNQUOTED(TARGET_OS, "${target_os}", [Target OS.])
798
799AC_PROG_YACC
800AM_PROG_LEX
801
802ALL_LINGUAS="es fi fr id ja ru rw sv tr uk zh_CN"
803ZW_GNU_GETTEXT_SISTER_DIR
804AM_PO_SUBDIRS
805
806AM_MAINTAINER_MODE
807AM_CONDITIONAL(GENINSRC_NEVER, false)
808AC_EXEEXT
809
810AC_CHECK_HEADERS(string.h stdlib.h memory.h strings.h unistd.h errno.h sys/types.h limits.h locale.h time.h sys/stat.h)
811ACX_HEADER_STRING
812
813# Put this here so that autoconf's "cross-compiling" message doesn't confuse
814# people who are not cross-compiling but are compiling cross-assemblers.
815AC_MSG_CHECKING(whether compiling a cross-assembler)
816if test "${host}" = "${target}"; then
817 cross_gas=no
818else
819 cross_gas=yes
820 AC_DEFINE(CROSS_COMPILE, 1, [Compiling cross-assembler?])
821fi
822AC_MSG_RESULT($cross_gas)
823
824dnl ansidecl.h will deal with const
825dnl AC_C_CONST
826AC_FUNC_ALLOCA
827AC_C_INLINE
828
829# VMS doesn't have unlink.
830AC_CHECK_FUNCS(unlink remove, break)
831AC_CHECK_FUNCS(sbrk setlocale)
832AC_CHECK_FUNCS(strsignal)
833
834AM_LC_MESSAGES
835
836# do we need the math library?
837case "${need_libm}" in
838yes)
839 LT_LIB_M
840 AC_SUBST(LIBM)
841 ;;
842esac
843
844# Some non-ANSI preprocessors botch requoting inside strings. That's bad
845# enough, but on some of those systems, the assert macro relies on requoting
846# working properly!
847GAS_WORKING_ASSERT
848
849# On some systems, the system header files may not declare malloc, realloc,
850# and free. There are places where gas needs these functions to have been
851# declared -- such as when taking their addresses.
852gas_test_headers="
853#ifdef HAVE_MEMORY_H
854#include <memory.h>
855#endif
856#ifdef HAVE_STRING_H
857#include <string.h>
858#else
859#ifdef HAVE_STRINGS_H
860#include <strings.h>
861#endif
862#endif
863#ifdef HAVE_STDLIB_H
864#include <stdlib.h>
865#endif
866#ifdef HAVE_UNISTD_H
867#include <unistd.h>
868#endif
869"
870
871# Does errno.h declare errno, or do we have to add a separate declaration
872# for it?
873GAS_CHECK_DECL_NEEDED(errno, f, int f, [
874#ifdef HAVE_ERRNO_H
875#include <errno.h>
876#endif
877])
878
879AC_MSG_CHECKING(for a known getopt prototype in unistd.h)
880AC_CACHE_VAL(gas_cv_decl_getopt_unistd_h,
881[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);])],
882gas_cv_decl_getopt_unistd_h=yes, gas_cv_decl_getopt_unistd_h=no)])
883AC_MSG_RESULT($gas_cv_decl_getopt_unistd_h)
884if 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?])
887fi
888
889GAS_CHECK_DECL_NEEDED(environ, f, char **f, $gas_test_headers)
890GAS_CHECK_DECL_NEEDED(ffs, f, int (*f)(int), $gas_test_headers)
891GAS_CHECK_DECL_NEEDED(free, f, void (*f)(), $gas_test_headers)
892GAS_CHECK_DECL_NEEDED(malloc, f, char *(*f)(), $gas_test_headers)
893GAS_CHECK_DECL_NEEDED(sbrk, f, char *(*f)(), $gas_test_headers)
894GAS_CHECK_DECL_NEEDED(strstr, f, char *(*f)(), $gas_test_headers)
895
896AC_CHECK_DECLS([free, getenv, malloc, mempcpy, realloc, stpcpy, strstr, vsnprintf, asprintf])
897
898BFD_BINARY_FOPEN
899
900# Link in zlib if we can. This allows us to write compressed debug sections.
901AM_ZLIB
902
903# Support for VMS timestamps via cross compile
904
905if test "$ac_cv_header_time_h" = yes; then
906 GAS_HAVE_TIME_TYPE_MEMBER(struct tm, tm_gmtoff)
907fi
908
909if test "$ac_cv_header_sys_stat_h" = yes; then
910 GAS_HAVE_SYS_STAT_TYPE_MEMBER(struct stat, st_mtim, tv_sec)
911 GAS_HAVE_SYS_STAT_TYPE_MEMBER(struct stat, st_mtim, tv_nsec)
912fi
913
914
915dnl Required for html, pdf, install-pdf and install-html targets.
916AC_SUBST(datarootdir)
917AC_SUBST(docdir)
918AC_SUBST(htmldir)
919AC_SUBST(pdfdir)
920
921dnl This must come last.
922
923dnl We used to make symlinks to files in the source directory, but now
924dnl we just use the right name for .c files, and create .h files in
925dnl the build directory which include the right .h file. Make sure
926dnl the old symlinks don't exist, so that a reconfigure in an existing
927dnl directory behaves reasonably.
928
929AC_CONFIG_FILES(Makefile doc/Makefile po/Makefile.in:po/Make-in)
930AC_CONFIG_COMMANDS([default],
931[rm -f targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c itbl-cpu.h
932 echo '#include "tc-'"${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/'"${cgen_cpu_prefix}"'-desc.h"' > cgen-desc.h
938 fi],
939[target_cpu_type=${target_cpu_type}
940 cgen_cpu_prefix=${cgen_cpu_prefix}
941 obj_format=${obj_format}
942 te_file=${te_file}])
943
944AC_OUTPUT
GDB Binutils - Deliverables
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