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Fix a potential deadlock in some older Loongson 3A1000 MIPS processors.
[deliverable/binutils-gdb.git] / gas / configure.ac
... / ...
CommitLineData
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) 2012-2019 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=
54. ${srcdir}/../bfd/development.sh
55test "$development" = true && ac_checking=yes
56AC_ARG_ENABLE(checking,
57[ --enable-checking enable run-time checks],
58[case "${enableval}" in
59 no|none) ac_checking= ;;
60 *) ac_checking=yes ;;
61esac])dnl
62if test x$ac_checking != x ; then
63 AC_DEFINE(ENABLE_CHECKING, 1, [Define if you want run-time sanity checks.])
64fi
65
66# PR gas/19109
67# Decide the default method for compressing debug sections.
68ac_default_compressed_debug_sections=unset
69# Provide a configure time option to override our default.
70AC_ARG_ENABLE(compressed_debug_sections,
71 AS_HELP_STRING([--enable-compressed-debug-sections={all,gas,none}],
72 [compress debug sections by default]),
73[case ,"${enableval}", in
74 ,yes, | ,all, | *,gas,*) ac_default_compressed_debug_sections=yes ;;
75 ,no, | ,none,) ac_default_compressed_debug_sections=no ;;
76 *) ac_default_compressed_debug_sections=unset ;;
77esac])dnl
78
79# PR gas/19520
80# Decide if x86 assembler should generate relax relocations.
81ac_default_x86_relax_relocations=unset
82# Provide a configure time option to override our default.
83AC_ARG_ENABLE(x86_relax_relocations,
84 AS_HELP_STRING([--enable-x86-relax-relocations],
85 [generate x86 relax relocations by default]),
86[case "${enableval}" in
87 no) ac_default_x86_relax_relocations=0 ;;
88esac])dnl
89
90# Decide if ELF assembler should generate common symbols with the
91# STT_COMMON type.
92ac_default_elf_stt_common=unset
93# Provide a configure time option to override our default.
94AC_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 "${enableval}" in
98 yes) ac_default_elf_stt_common=1 ;;
99esac])dnl
100
101
102# Decide if the ELF assembler should default to generating
103# GNU Build notes if none are provided by the input.
104ac_default_generate_build_notes=0
105# Provide a configuration option to override the default.
106AC_ARG_ENABLE(generate_build_notes,
107 AS_HELP_STRING([--enable-generate-build-notes],
108 [generate GNU Build notes if none are provided by the input]),
109[case "${enableval}" in
110 yes) ac_default_generate_build_notes=1 ;;
111 no) ac_default_generate_build_notes=0 ;;
112esac])dnl
113
114# Decide if the MIPS assembler should default to enable MIPS fix Loongson3
115# LLSC errata.
116ac_default_mips_fix_loongson3_llsc=unset
117# Provide a configuration option to override the default.
118AC_ARG_ENABLE(mips-fix-loongson3-llsc,
119 AS_HELP_STRING([--enable-mips-fix-loongson3-llsc],
120 [enable MIPS fix Loongson3 LLSC errata]),
121[case "${enableval}" in
122 yes) ac_default_mips_fix_loongson3_llsc=1 ;;
123 no) ac_default_mips_fix_loongson3_llsc=0 ;;
124esac])dnl
125
126# Decide if the x86 ELF assembler should default to generating GNU x86
127# used ISA and feature properties.
128ac_default_generate_x86_used_note=unset
129# Provide a configuration option to override the default.
130AC_ARG_ENABLE(x86-used-note,
131 AS_HELP_STRING([--enable-x86-used-note],
132 [generate GNU x86 used ISA and feature properties]),
133[case "${enableval}" in
134 yes) ac_default_generate_x86_used_note=1 ;;
135 no) ac_default_generate_x86_used_note=0 ;;
136esac])dnl
137
138# Decide if the RISC-V ELF assembler should default to generating attribute.
139ac_default_generate_riscv_attr=unset
140# Provide a configuration option to override the default.
141AC_ARG_ENABLE(default-riscv-attribute,
142 AS_HELP_STRING([--enable-default-riscv-attribute],
143 [generate RISC-V arch attribute by default]),
144[case "${enableval}" in
145 yes) ac_default_generate_riscv_attr=1 ;;
146 no) ac_default_generate_riscv_attr=0 ;;
147esac])dnl
148
149using_cgen=no
150
151AM_BINUTILS_WARNINGS
152
153# Generate a header file
154AC_CONFIG_HEADERS(config.h:config.in)
155
156dnl Option --with-cpu=TYPE allows configure type control of the default
157dnl cpu type within the assembler. Currently only the ARC target
158dnl supports this feature, but others may be added in the future.
159AC_ARG_WITH(cpu,
160 AS_HELP_STRING([--with-cpu=CPU],
161 [default cpu variant is CPU (currently only supported on ARC)]),
162 [AC_DEFINE_UNQUOTED(TARGET_WITH_CPU,
163 "${with_cpu}",
164 [Target specific CPU.])],
165 [])
166
167# PR 14072
168AH_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
173#endif
174#define __CONFIG_H__ 1])
175
176# If we are on a DOS filesystem, we must use gdb.ini rather than
177# .gdbinit.
178case "${host}" in
179 *-*-msdos* | *-*-go32* | *-*-mingw32* | *-*-windows*)
180 GDBINIT="gdb.ini"
181 AC_CONFIG_FILES(gdb.ini:gdbinit.in)
182 ;;
183 *)
184 GDBINIT=".gdbinit"
185 AC_CONFIG_FILES(.gdbinit:gdbinit.in)
186 ;;
187esac
188AC_SUBST(GDBINIT)
189
190#We need this for the host.
191AC_C_BIGENDIAN
192
193te_file=generic
194
195# Makefile target for installing gas in $(tooldir)/bin.
196install_tooldir=install-exec-tooldir
197
198canon_targets=""
199all_targets=no
200if test -n "$enable_targets" ; then
201 for t in `echo $enable_targets | sed 's/,/ /g'`; do
202 if test $t = "all"; then
203 all_targets=yes
204 continue
205 fi
206 result=`$ac_config_sub $t 2>/dev/null`
207 if test -n "$result" ; then
208 canon_targets="$canon_targets $result"
209# else
210# # Permit "all", etc. We don't support it yet though.
211# canon_targets="$canon_targets $t"
212 fi
213 done
214 GAS_UNIQ(canon_targets)
215fi
216
217emulations=""
218
219for this_target in $target $canon_targets ; do
220
221 targ=${this_target}
222 . ${srcdir}/configure.tgt
223
224 case ${target_cpu} in
225 crisv32)
226 AC_DEFINE_UNQUOTED(DEFAULT_CRIS_ARCH, $arch,
227 [Default CRIS architecture.])
228 ;;
229 esac
230
231 if test ${this_target} = $target ; then
232 target_cpu_type=${cpu_type}
233 elif test ${target_cpu_type} != ${cpu_type} ; then
234 continue
235 fi
236
237 generic_target=${cpu_type}-${target_vendor}-${target_os}
238 case ${generic_target} in
239 i386-*-msdosdjgpp* \
240 | i386-*-go32* \
241 | i386-go32-rtems*)
242 AC_DEFINE(STRICTCOFF, 1, [Using strict COFF?])
243 ;;
244
245 i386-*-solaris2 \
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
253 fi
254 ;;
255
256 microblaze*)
257 ;;
258
259changequote(,)dnl
260 ppc-*-aix[5-9].*)
261changequote([,])dnl
262 AC_DEFINE(AIX_WEAK_SUPPORT, 1,
263 [Define if using AIX 5.2 value for C_WEAKEXT.])
264 ;;
265 ppc-*-solaris*)
266 if test ${this_target} = $target; then
267 AC_DEFINE(TARGET_SOLARIS_COMMENT, 1,
268 [Define if default target is PowerPC Solaris.])
269 fi
270 if test x${endian} = xbig; then
271 AC_MSG_ERROR(Solaris must be configured little endian)
272 fi
273 ;;
274 esac
275
276 if test ${this_target} = $target ; then
277 endian_def=
278 if test x${endian} = xbig; then
279 endian_def=1
280 elif test x${endian} = xlittle; then
281 endian_def=0
282 fi
283 if test x${endian_def} != x; then
284 AC_DEFINE_UNQUOTED(TARGET_BYTES_BIG_ENDIAN, $endian_def,
285 [Define as 1 if big endian.])
286 fi
287 fi
288
289# Other random stuff.
290
291 case ${cpu_type} in
292 mips)
293 # Set mips_cpu to the name of the default CPU.
294 case ${target_cpu} in
295 mips | mipsbe | mipseb | mipsle | mipsel | mips64 | mips64el)
296 mips_cpu=from-abi
297 ;;
298 mipsisa32 | mipsisa32el)
299 mips_cpu=mips32
300 ;;
301 mipsisa32r2 | mipsisa32r2el)
302 mips_cpu=mips32r2
303 ;;
304 mipsisa32r3 | mipsisa32r3el)
305 mips_cpu=mips32r3
306 ;;
307 mipsisa32r5 | mipsisa32r5el)
308 mips_cpu=mips32r5
309 ;;
310 mipsisa32r6 | mipsisa32r6el)
311 mips_cpu=mips32r6
312 ;;
313 mipsisa64 | mipsisa64el)
314 mips_cpu=mips64
315 ;;
316 mipsisa64r2 | mipsisa64r2el)
317 mips_cpu=mips64r2
318 ;;
319 mipsisa64r3 | mipsisa64r3el)
320 mips_cpu=mips64r3
321 ;;
322 mipsisa64r5 | mipsisa64r5el)
323 mips_cpu=mips64r5
324 ;;
325 mipsisa64r6 | mipsisa64r6el)
326 mips_cpu=mips64r6
327 ;;
328 mipstx39 | mipstx39el)
329 mips_cpu=r3900
330 ;;
331 mips64vr | mips64vrel)
332 mips_cpu=vr4100
333 ;;
334 mipsisa32r2* | mipsisa64r2*)
335changequote(,)dnl
336 mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..r2//' -e 's/el$//'`
337changequote([,])dnl
338 ;;
339 mipsisa32r6* | mipsisa64r6*)
340changequote(,)dnl
341 mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..r6//' -e 's/el$//'`
342changequote([,])dnl
343 ;;
344 mips64* | mipsisa64* | mipsisa32*)
345changequote(,)dnl
346 mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..//' -e 's/el$//'`
347changequote([,])dnl
348 ;;
349 mips*)
350changequote(,)dnl
351 mips_cpu=`echo $target_cpu | sed -e 's/^mips//' -e 's/el$//'`
352changequote([,])dnl
353 ;;
354 *)
355 AC_MSG_ERROR($target_cpu isn't a supported MIPS CPU name)
356 ;;
357 esac
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.
360 case ${target} in
361 *-*-irix*)
362 use_e_mips_abi_o32=0
363 ;;
364 *)
365 use_e_mips_abi_o32=1
366 ;;
367 esac
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.
370 case ${target} in
371 mips64*-*-* | mipsisa64*-*-*)
372 mips_default_64bit=1
373 ;;
374 *)
375 mips_default_64bit=0
376 ;;
377 esac
378 # Decide which ABI to target by default.
379 case ${target} in
380 mips64*-linux* | mips-sgi-irix6* | mips64*-freebsd* \
381 | mips64*-kfreebsd*-gnu | mips64*-ps2-elf*)
382 mips_default_abi=N32_ABI
383 ;;
384 mips*-linux* | mips*-freebsd* | mips*-kfreebsd*-gnu)
385 mips_default_abi=O32_ABI
386 ;;
387 mips64*-openbsd*)
388 mips_default_abi=N64_ABI
389 ;;
390 *)
391 mips_default_abi=NO_ABI
392 ;;
393 esac
394 AC_DEFINE_UNQUOTED(MIPS_CPU_STRING_DEFAULT, "$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. ])
402 ;;
403 esac
404
405 # Do we need the opcodes library?
406 case ${cpu_type} in
407 vax | tic30)
408 ;;
409
410 *)
411 need_opcodes=yes
412
413 case "${enable_shared}" in
414 yes) shared_opcodes=true ;;
415 *opcodes*) shared_opcodes=true ;;
416 *) shared_opcodes=false ;;
417 esac
418 ;;
419 esac
420
421 # Any other special object files needed ?
422 case ${cpu_type} in
423
424 bfin)
425 for f in bfin-parse.o bfin-lex-wrapper.o; do
426 case " $extra_objects " in
427 *" $f "*) ;;
428 *) extra_objects="$extra_objects $f" ;;
429 esac
430 done
431 ;;
432
433 epiphany | fr30 | ip2k | iq2000 | lm32 | m32r | or1k)
434 using_cgen=yes
435 ;;
436
437 m32c)
438 using_cgen=yes
439 ;;
440 frv)
441 using_cgen=yes
442 ;;
443 m68k)
444 f=m68k-parse.o
445 case " $extra_objects " in
446 *" $f "*) ;;
447 *) extra_objects="$extra_objects $f" ;;
448 esac
449 ;;
450
451 mep)
452 using_cgen=yes
453 ;;
454
455 mips)
456 for f in itbl-parse.o itbl-lex-wrapper.o itbl-ops.o; do
457 case " $extra_objects " in
458 *" $f "*) ;;
459 *) extra_objects="$extra_objects $f" ;;
460 esac
461 done
462 ;;
463
464 mt)
465 using_cgen=yes
466 ;;
467
468 nds32)
469 # setup NDS32_LINUX_TOOLCHAIN definition
470 if test "linux" = $em; then
471 AC_DEFINE(NDS32_LINUX_TOOLCHAIN, 1,
472 [Define value for nds32_linux_toolchain])
473 else
474 AC_DEFINE(NDS32_LINUX_TOOLCHAIN, 0,
475 [Define default value for nds32_linux_toolchain])
476 fi
477
478 # Decide BASELINE, REDUCED_REGS, FPU_DP_EXT, FPU_SP_EXT features
479 # based on arch_name.
480 AC_MSG_CHECKING(for default configuration of --with-arch)
481 if test "x${with_arch}" != x; then
482 case ${with_arch} in
483 v2j | v2s | v2f | v2 | v3m | v3j | v3s | v3f | v3 )
484 AC_DEFINE_UNQUOTED(NDS32_DEFAULT_ARCH_NAME, "$with_arch",
485 [Define value for nds32_arch_name])
486 ;;
487 *)
488 AC_MSG_ERROR(This kind of arch name does *NOT* exist!)
489 ;;
490 esac
491 fi
492 AC_MSG_RESULT($with_arch)
493
494 # Decide features one by one.
495 AC_MSG_CHECKING(for default configuration of --enable-dx-regs)
496 if test "x${enable_dx_regs}" = xyes; then
497 AC_DEFINE(NDS32_DEFAULT_DX_REGS, 1,
498 [Define value for nds32_dx_regs])
499 else
500 AC_DEFINE(NDS32_DEFAULT_DX_REGS, 0,
501 [Define default value for nds32_dx_regs])
502 fi
503 AC_MSG_RESULT($enable_dx_regs)
504
505 AC_MSG_CHECKING(for default configuration of --enable-perf-ext)
506 if test "x${enable_perf_ext}" = xno; then
507 AC_DEFINE(NDS32_DEFAULT_PERF_EXT, 0,
508 [Define value for nds32_perf_ext])
509 else
510 AC_DEFINE(NDS32_DEFAULT_PERF_EXT, 1,
511 [Define default value for nds32_perf_ext])
512 fi
513 AC_MSG_RESULT($enable_perf_ext)
514
515 AC_MSG_CHECKING(for default configuration of --enable-perf-ext2)
516 if test "x${enable_perf_ext2}" = xno; then
517 AC_DEFINE(NDS32_DEFAULT_PERF_EXT2, 0,
518 [Define value for nds32_perf_ext2])
519 else
520 AC_DEFINE(NDS32_DEFAULT_PERF_EXT2, 1,
521 [Define default value for nds32_perf_ext2])
522 fi
523 AC_MSG_RESULT($enable_perf_ext2)
524
525 AC_MSG_CHECKING(for default configuration of --enable-string-ext)
526 if test "x${enable_string_ext}" = xno; then
527 AC_DEFINE(NDS32_DEFAULT_STRING_EXT, 0,
528 [Define value for nds32_string_ext])
529 else
530 AC_DEFINE(NDS32_DEFAULT_STRING_EXT, 1,
531 [Define default value for nds32_string_ext])
532 fi
533 AC_MSG_RESULT($enable_string_ext)
534
535 AC_MSG_CHECKING(for default configuration of --enable-audio-ext)
536 if test "x${enable_audio_ext}" = xno; then
537 AC_DEFINE(NDS32_DEFAULT_AUDIO_EXT, 0,
538 [Define value for nds32_audio_ext])
539 else
540 AC_DEFINE(NDS32_DEFAULT_AUDIO_EXT, 1,
541 [Define default value for nds32_audio_ext])
542 fi
543 AC_MSG_RESULT($enable_audio_ext)
544
545 AC_MSG_CHECKING(for default configuration of --enable-dsp-ext)
546 if test "x${enable_dsp_ext}" = xno; then
547 AC_DEFINE(NDS32_DEFAULT_DSP_EXT, 0,
548 [Define value for nds32_dsp_ext])
549 else
550 AC_DEFINE(NDS32_DEFAULT_DSP_EXT, 1,
551 [Define default value for nds32_dsp_ext])
552 fi
553 AC_MSG_RESULT($enable_dsp_ext)
554
555 AC_MSG_CHECKING(for default configuration of --enable-zol-ext)
556 if test "x${enable_zol_ext}" = xno; then
557 AC_DEFINE(NDS32_DEFAULT_ZOL_EXT, 0,
558 [Define value for nds32_zol_ext])
559 else
560 AC_DEFINE(NDS32_DEFAULT_ZOL_EXT, 1,
561 [Define default value for nds32_zol_ext])
562 fi
563 AC_MSG_RESULT($enable_zol_ext)
564 ;;
565
566 aarch64 | i386 | riscv | s390 | sparc)
567 if test $this_target = $target ; then
568 AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
569 fi
570 ;;
571
572 rl78)
573 f=rl78-parse.o
574 case " $extra_objects " in
575 *" $f "*) ;;
576 *) extra_objects="$extra_objects $f" ;;
577 esac
578 ;;
579
580 rx)
581 f=rx-parse.o
582 case " $extra_objects " in
583 *" $f "*) ;;
584 *) extra_objects="$extra_objects $f" ;;
585 esac
586 ;;
587
588 xstormy16)
589 using_cgen=yes
590 ;;
591
592 xc16x)
593 using_cgen=yes
594 ;;
595
596 xtensa)
597 f=config/xtensa-relax.o
598 case " $extra_objects " in
599 *" $f "*) ;;
600 *) extra_objects="$extra_objects $f" ;;
601 esac
602 ;;
603
604 *)
605 ;;
606 esac
607
608 if test $using_cgen = yes ; then
609 f=cgen.o
610 case " $extra_objects " in
611 *" $f "*) ;;
612 *) extra_objects="$extra_objects $f" ;;
613 esac
614 fi
615
616# See if we really can support this configuration with the emulation code.
617
618 if test $this_target = $target ; then
619 obj_format=$fmt
620 te_file=$em
621 fi
622
623 case ${te_file} in
624 vms)
625 f=config/te-vms.o
626 case " $extra_objects " in
627 *" $f "*) ;;
628 *) extra_objects="$extra_objects $f" ;;
629 esac ;;
630 esac
631
632# From target name and format, produce a list of supported emulations.
633
634 case ${generic_target}-${fmt} in
635 mips-*-*-*) case "$endian" in
636 big) emulation="mipsbelf mipslelf mipself" ;;
637 *) emulation="mipslelf mipsbelf mipself" ;;
638 esac ;;
639 # i386-pc-pe-coff != i386-pc-coff.
640 i386-*-pe-coff) ;;
641 # Uncommenting the next line will turn on support for i386 AOUT
642 # for the default linux configuration
643 # i386-*-linux*-elf) emulation="i386elf i386aout" ;;
644 #
645 i386-*-aout) emulation="i386aout" ;;
646 i386-*-coff) emulation="i386coff" ;;
647 i386-*-elf) emulation="i386elf" ;;
648
649 # Always all formats. The first stated emulation becomes the default.
650 cris-*-*aout*) emulation="crisaout criself" ;;
651 cris-*-*) emulation="criself crisaout" ;;
652 esac
653
654 emulations="$emulations $emulation"
655
656done
657
658if test ${ac_default_x86_relax_relocations} = unset; then
659 ac_default_x86_relax_relocations=1
660fi
661AC_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.])
664
665if test ${ac_default_elf_stt_common} = unset; then
666 ac_default_elf_stt_common=0
667fi
668AC_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.])
672
673AC_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.])
677
678if test ${ac_default_generate_x86_used_note} = unset; then
679 ac_default_generate_x86_used_note=0
680fi
681AC_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.])
685
686if test ${ac_default_generate_riscv_attr} = unset; then
687 case ${target_os} in
688 elf)
689 ac_default_generate_riscv_attr=1
690 ;;
691 *)
692 ac_default_generate_riscv_attr=0
693 ;;
694 esac
695fi
696
697AC_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.])
700
701if test ${ac_default_mips_fix_loongson3_llsc} = unset; then
702 ac_default_mips_fix_loongson3_llsc=0
703fi
704AC_DEFINE_UNQUOTED(DEFAULT_MIPS_FIX_LOONGSON3_LLSC,
705 $ac_default_mips_fix_loongson3_llsc,
706 [Define to 1 if you want to fix Loongson3 LLSC Errata by default.])
707
708if test x$ac_default_compressed_debug_sections = xyes ; then
709 AC_DEFINE(DEFAULT_FLAG_COMPRESS_DEBUG, 1, [Define if you want compressed debug sections by default.])
710fi
711
712# Turn on all targets if possible
713if test ${all_targets} = "yes"; then
714 case ${target_cpu_type} in
715 i386)
716 case ${obj_format} in
717 aout)
718 emulations="$emulations i386coff i386elf"
719 ;;
720 coff)
721 emulations="$emulations i386aout i386elf"
722 ;;
723 elf)
724 emulations="$emulations i386aout i386coff"
725 ;;
726 esac
727 ;;
728 x86_64)
729 case ${obj_format} in
730 aout)
731 emulations="$emulations i386coff i386elf"
732 ;;
733 coff)
734 emulations="$emulations i386aout i386elf"
735 ;;
736 elf)
737 emulations="$emulations i386aout i386coff"
738 ;;
739 esac
740 ;;
741 esac
742fi
743
744# PE code has way too many macros tweaking behaviour
745case ${te_file} in
746 pe*) emulations="" ;;
747esac
748
749# Assign floating point type. Most processors with FP support
750# IEEE FP. On those that don't support FP at all, usually IEEE
751# is emulated.
752case ${target_cpu} in
753 vax | pdp11 ) atof=vax ;;
754 *) atof=ieee ;;
755esac
756
757case "${obj_format}" in
758 "") AC_MSG_ERROR(GAS does not know what format to use for target ${target}) ;;
759esac
760
761# Unfortunately the cpu in cpu-opc.h file isn't always $(TARGET_CPU).
762cgen_cpu_prefix=""
763if test $using_cgen = yes ; then
764 case ${target_cpu} in
765 or1knd)
766 cgen_cpu_prefix=or1k ;;
767 *) cgen_cpu_prefix=${target_cpu} ;;
768 esac
769 AC_SUBST(cgen_cpu_prefix)
770 AC_DEFINE(USING_CGEN, 1, [Using cgen code?])
771fi
772
773dnl
774dnl Make sure the desired support files exist.
775dnl
776
777if test ! -r ${srcdir}/config/tc-${target_cpu_type}.c; then
778 AC_MSG_ERROR(GAS does not support target CPU ${target_cpu_type})
779fi
780
781if test ! -r ${srcdir}/config/obj-${obj_format}.c; then
782 AC_MSG_ERROR(GAS does not have support for object file format ${obj_format})
783fi
784
785# Some COFF configurations want these random other flags set.
786case ${obj_format} in
787 coff)
788 case ${target_cpu_type} in
789 i386) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
790 x86_64) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
791 esac
792 ;;
793esac
794
795# Getting this done right is going to be a bitch. Each configuration specified
796# with --enable-targets=... should be checked for environment, format, cpu
797# setting.
798#
799# For each configuration, the necessary object file support code must be linked
800# in. This might be only one, it might be up to four. The necessary emulation
801# code needs to be provided, too.
802#
803# And then there's "--enable-targets=all"....
804#
805# For now, just always do it for MIPS ELF configurations. Sigh.
806
807formats="${obj_format}"
808emfiles=""
809EMULATIONS=""
810GAS_UNIQ(emulations)
811for em in . $emulations ; do
812 case $em in
813 .) continue ;;
814 mipsbelf | mipslelf | mipself)
815 fmt=elf file=mipself ;;
816 *coff)
817 fmt=coff file=$em ;;
818 *aout)
819 fmt=aout file=$em ;;
820 *elf)
821 fmt=elf file=$em ;;
822 esac
823 formats="$formats $fmt"
824 emfiles="$emfiles config/e-$file.o"
825 EMULATIONS="$EMULATIONS &$em,"
826done
827GAS_UNIQ(formats)
828GAS_UNIQ(emfiles)
829if test `set . $formats ; shift ; echo $#` -gt 1 ; then
830 for fmt in $formats ; do
831 case $fmt in
832 aout) AC_DEFINE(OBJ_MAYBE_AOUT, 1, [a.out support?]) ;;
833 coff) AC_DEFINE(OBJ_MAYBE_COFF, 1, [COFF support?]) ;;
834 ecoff) AC_DEFINE(OBJ_MAYBE_ECOFF, 1, [ECOFF support?]) ;;
835 elf) AC_DEFINE(OBJ_MAYBE_ELF, 1, [ELF support?]) ;;
836 generic) AC_DEFINE(OBJ_MAYBE_GENERIC, 1, [generic support?]) ;;
837 som) AC_DEFINE(OBJ_MAYBE_SOM, 1, [SOM support?]) ;;
838 esac
839 extra_objects="$extra_objects config/obj-$fmt.o"
840 done
841 obj_format=multi
842fi
843if 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}${emfiles}" in
849 multi* | *mipself*)
850 extra_objects="$extra_objects $emfiles"
851 AC_DEFINE(USE_EMULATIONS, 1, [Use emulation support?]) ;;
852 esac
853fi
854AC_SUBST(extra_objects)
855AC_DEFINE_UNQUOTED(EMULATIONS, $EMULATIONS, [Supported emulations.])
856AC_DEFINE_UNQUOTED(DEFAULT_EMULATION, "$DEFAULT_EMULATION",
857 [Default emulation.])
858
859reject_dev_configs=yes
860
861case ${reject_dev_configs}-${dev} in
862 yes-yes) # Oops.
863 AC_MSG_ERROR(GAS does not support the ${generic_target} configuration.)
864 ;;
865esac
866
867AC_SUBST(target_cpu_type)
868AC_SUBST(obj_format)
869AC_SUBST(te_file)
870AC_SUBST(install_tooldir)
871AC_SUBST(atof)
872dnl AC_SUBST(emulation)
873
874# do we need the opcodes library?
875case "${need_opcodes}" in
876yes)
877 OPCODES_LIB=../opcodes/libopcodes.la
878 ;;
879esac
880
881AC_SUBST(OPCODES_LIB)
882
883AC_DEFINE_UNQUOTED(TARGET_ALIAS, "${target_alias}", [Target alias.])
884AC_DEFINE_UNQUOTED(TARGET_CANONICAL, "${target}", [Canonical target.])
885AC_DEFINE_UNQUOTED(TARGET_CPU, "${target_cpu}", [Target CPU.])
886AC_DEFINE_UNQUOTED(TARGET_VENDOR, "${target_vendor}", [Target vendor.])
887AC_DEFINE_UNQUOTED(TARGET_OS, "${target_os}", [Target OS.])
888
889AC_PROG_YACC
890AM_PROG_LEX
891
892ALL_LINGUAS="es fi fr id ja ru rw sv tr uk zh_CN"
893ZW_GNU_GETTEXT_SISTER_DIR
894AM_PO_SUBDIRS
895
896AM_MAINTAINER_MODE
897AM_CONDITIONAL(GENINSRC_NEVER, false)
898AC_EXEEXT
899
900AC_CHECK_HEADERS(string.h stdlib.h memory.h strings.h unistd.h errno.h sys/types.h limits.h locale.h time.h sys/stat.h)
901ACX_HEADER_STRING
902
903# Put this here so that autoconf's "cross-compiling" message doesn't confuse
904# people who are not cross-compiling but are compiling cross-assemblers.
905AC_MSG_CHECKING(whether compiling a cross-assembler)
906if test "${host}" = "${target}"; then
907 cross_gas=no
908else
909 cross_gas=yes
910 AC_DEFINE(CROSS_COMPILE, 1, [Compiling cross-assembler?])
911fi
912AC_MSG_RESULT($cross_gas)
913
914dnl ansidecl.h will deal with const
915dnl AC_C_CONST
916AC_FUNC_ALLOCA
917AC_C_INLINE
918
919# VMS doesn't have unlink.
920AC_CHECK_FUNCS(unlink remove, break)
921AC_CHECK_FUNCS(sbrk setlocale)
922AC_CHECK_FUNCS(strsignal)
923
924AM_LC_MESSAGES
925
926# do we need the math library?
927case "${need_libm}" in
928yes)
929 LT_LIB_M
930 AC_SUBST(LIBM)
931 ;;
932esac
933
934# Some non-ANSI preprocessors botch requoting inside strings. That's bad
935# enough, but on some of those systems, the assert macro relies on requoting
936# working properly!
937GAS_WORKING_ASSERT
938
939# On some systems, the system header files may not declare malloc, realloc,
940# and free. There are places where gas needs these functions to have been
941# declared -- such as when taking their addresses.
942gas_test_headers="
943#ifdef HAVE_MEMORY_H
944#include <memory.h>
945#endif
946#ifdef HAVE_STRING_H
947#include <string.h>
948#else
949#ifdef HAVE_STRINGS_H
950#include <strings.h>
951#endif
952#endif
953#ifdef HAVE_STDLIB_H
954#include <stdlib.h>
955#endif
956#ifdef HAVE_UNISTD_H
957#include <unistd.h>
958#endif
959"
960
961# Does errno.h declare errno, or do we have to add a separate declaration
962# for it?
963GAS_CHECK_DECL_NEEDED(errno, f, int f, [
964#ifdef HAVE_ERRNO_H
965#include <errno.h>
966#endif
967])
968
969AC_MSG_CHECKING(for a known getopt prototype in unistd.h)
970AC_CACHE_VAL(gas_cv_decl_getopt_unistd_h,
971[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);])],
972gas_cv_decl_getopt_unistd_h=yes, gas_cv_decl_getopt_unistd_h=no)])
973AC_MSG_RESULT($gas_cv_decl_getopt_unistd_h)
974if 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?])
977fi
978
979GAS_CHECK_DECL_NEEDED(environ, f, char **f, $gas_test_headers)
980GAS_CHECK_DECL_NEEDED(ffs, f, int (*f)(int), $gas_test_headers)
981GAS_CHECK_DECL_NEEDED(free, f, void (*f)(), $gas_test_headers)
982GAS_CHECK_DECL_NEEDED(malloc, f, char *(*f)(), $gas_test_headers)
983GAS_CHECK_DECL_NEEDED(sbrk, f, char *(*f)(), $gas_test_headers)
984GAS_CHECK_DECL_NEEDED(strstr, f, char *(*f)(), $gas_test_headers)
985
986AC_CHECK_DECLS([free, getenv, malloc, mempcpy, realloc, stpcpy, strstr, vsnprintf, asprintf])
987
988BFD_BINARY_FOPEN
989
990# Link in zlib if we can. This allows us to write compressed debug sections.
991AM_ZLIB
992
993# Support for VMS timestamps via cross compile
994
995if test "$ac_cv_header_time_h" = yes; then
996 GAS_HAVE_TIME_TYPE_MEMBER(struct tm, tm_gmtoff)
997fi
998
999if test "$ac_cv_header_sys_stat_h" = yes; then
1000 GAS_HAVE_SYS_STAT_TYPE_MEMBER(struct stat, st_mtim, tv_sec)
1001 GAS_HAVE_SYS_STAT_TYPE_MEMBER(struct stat, st_mtim, tv_nsec)
1002fi
1003
1004
1005dnl Required for html, pdf, install-pdf and install-html targets.
1006AC_SUBST(datarootdir)
1007AC_SUBST(docdir)
1008AC_SUBST(htmldir)
1009AC_SUBST(pdfdir)
1010
1011dnl This must come last.
1012
1013dnl We used to make symlinks to files in the source directory, but now
1014dnl we just use the right name for .c files, and create .h files in
1015dnl the build directory which include the right .h file. Make sure
1016dnl the old symlinks don't exist, so that a reconfigure in an existing
1017dnl directory behaves reasonably.
1018
1019AC_CONFIG_FILES(Makefile doc/Makefile po/Makefile.in:po/Make-in)
1020AC_CONFIG_COMMANDS([default],
1021[rm -f targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c itbl-cpu.h
1022 echo '#include "tc-'"${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/'"${cgen_cpu_prefix}"'-desc.h"' > cgen-desc.h
1028 fi],
1029[target_cpu_type=${target_cpu_type}
1030 cgen_cpu_prefix=${cgen_cpu_prefix}
1031 obj_format=${obj_format}
1032 te_file=${te_file}])
1033
1034AC_OUTPUT
GDB Binutils - Deliverables
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