2013-10-13 Sandra Loosemore <sandra@codesourcery.com>
[deliverable/binutils-gdb.git] / gas / configure.in
... / ...
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 2012, 2013 Free Software Foundation
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)
24AC_INIT
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
34changequote(,)dnl
35BFD_VERSION=`${srcdir}/../bfd/configure --version | sed -n -e '1s,.* ,,p'`
36changequote([,])dnl
37AM_INIT_AUTOMAKE(gas, ${BFD_VERSION})
38
39AC_PROG_CC
40AC_GNU_SOURCE
41AC_USE_SYSTEM_EXTENSIONS
42ACX_LARGEFILE
43
44LT_INIT
45
46AC_ARG_ENABLE(targets,
47[ --enable-targets alternative target configurations besides the primary],
48[case "${enableval}" in
49 yes | "") AC_MSG_ERROR(enable-targets option must specify target names or 'all')
50 ;;
51 no) enable_targets= ;;
52 *) enable_targets=$enableval ;;
53esac])dnl
54
55ac_checking=yes
56if grep '^RELEASE=y' ${srcdir}/../bfd/Makefile.am >/dev/null 2>/dev/null ; then
57 ac_checking=
58fi
59AC_ARG_ENABLE(checking,
60[ --enable-checking enable run-time checks],
61[case "${enableval}" in
62 no|none) ac_checking= ;;
63 *) ac_checking=yes ;;
64esac])dnl
65if test x$ac_checking != x ; then
66 AC_DEFINE(ENABLE_CHECKING, 1, [Define if you want run-time sanity checks.])
67fi
68
69using_cgen=no
70
71AM_BINUTILS_WARNINGS
72
73# Generate a header file
74AC_CONFIG_HEADERS(config.h:config.in)
75
76# PR 14072
77AH_VERBATIM([00_CONFIG_H_CHECK],
78[/* Check that config.h is #included before system headers
79 (this works only for glibc, but that should be enough). */
80#if defined(__GLIBC__) && !defined(__FreeBSD_kernel__) && !defined(__CONFIG_H__)
81# error config.h must be #included before system headers
82#endif
83#define __CONFIG_H__ 1])
84
85# If we are on a DOS filesystem, we must use gdb.ini rather than
86# .gdbinit.
87case "${host}" in
88 *-*-msdos* | *-*-go32* | *-*-mingw32* | *-*-windows*)
89 GDBINIT="gdb.ini"
90 AC_CONFIG_FILES(gdb.ini:gdbinit.in)
91 ;;
92 *)
93 GDBINIT=".gdbinit"
94 AC_CONFIG_FILES(.gdbinit:gdbinit.in)
95 ;;
96esac
97AC_SUBST(GDBINIT)
98
99#We need this for the host. BOUT header is in host order.
100AC_C_BIGENDIAN
101
102te_file=generic
103
104# Makefile target for installing gas in $(tooldir)/bin.
105install_tooldir=install-exec-tooldir
106
107canon_targets=""
108all_targets=no
109if test -n "$enable_targets" ; then
110 for t in `echo $enable_targets | sed 's/,/ /g'`; do
111 if test $t = "all"; then
112 all_targets=yes
113 continue
114 fi
115 result=`$ac_config_sub $t 2>/dev/null`
116 if test -n "$result" ; then
117 canon_targets="$canon_targets $result"
118# else
119# # Permit "all", etc. We don't support it yet though.
120# canon_targets="$canon_targets $t"
121 fi
122 done
123 GAS_UNIQ(canon_targets)
124fi
125
126emulations=""
127
128for this_target in $target $canon_targets ; do
129
130 targ=${this_target}
131 . ${srcdir}/configure.tgt
132
133 case ${target_cpu} in
134 crisv32)
135 AC_DEFINE_UNQUOTED(DEFAULT_CRIS_ARCH, $arch,
136 [Default CRIS architecture.])
137 ;;
138 esac
139
140 if test ${this_target} = $target ; then
141 target_cpu_type=${cpu_type}
142 elif test ${target_cpu_type} != ${cpu_type} ; then
143 continue
144 fi
145
146 generic_target=${cpu_type}-${target_vendor}-${target_os}
147 case ${generic_target} in
148 i386-*-sco3.2v5*)
149 if test ${this_target} = $target; then
150 AC_DEFINE(SCO_ELF, 1, [Define if defaulting to ELF on SCO 5.])
151 fi
152 ;;
153
154 i386-*-msdosdjgpp* \
155 | i386-*-go32* \
156 | i386-go32-rtems*)
157 AC_DEFINE(STRICTCOFF, 1, [Using strict COFF?])
158 ;;
159
160 i860-*-*)
161 AC_MSG_WARN(GAS support for ${generic_target} is preliminary and a work in progress)
162 ;;
163
164 microblaze*)
165 ;;
166
167changequote(,)dnl
168 ppc-*-aix[5-9].*)
169changequote([,])dnl
170 AC_DEFINE(AIX_WEAK_SUPPORT, 1,
171 [Define if using AIX 5.2 value for C_WEAKEXT.])
172 ;;
173 ppc-*-solaris*)
174 if test ${this_target} = $target; then
175 AC_DEFINE(TARGET_SOLARIS_COMMENT, 1,
176 [Define if default target is PowerPC Solaris.])
177 fi
178 if test x${endian} = xbig; then
179 AC_MSG_ERROR(Solaris must be configured little endian)
180 fi
181 ;;
182
183 sh*-*-symbianelf*)
184 AC_DEFINE(TARGET_SYMBIAN, 1, [Define if target is Symbian OS.])
185 ;;
186 esac
187
188 if test ${this_target} = $target ; then
189 endian_def=
190 if test x${endian} = xbig; then
191 endian_def=1
192 elif test x${endian} = xlittle; then
193 endian_def=0
194 fi
195 if test x${endian_def} != x; then
196 AC_DEFINE_UNQUOTED(TARGET_BYTES_BIG_ENDIAN, $endian_def,
197 [Define as 1 if big endian.])
198 fi
199 fi
200
201# Other random stuff.
202
203 case ${cpu_type} in
204 mips)
205 # Set mips_cpu to the name of the default CPU.
206 case ${target_cpu} in
207 mips | mipsbe | mipseb | mipsle | mipsel | mips64 | mips64el)
208 mips_cpu=from-abi
209 ;;
210 mipsisa32 | mipsisa32el)
211 mips_cpu=mips32
212 ;;
213 mipsisa32r2 | mipsisa32r2el)
214 mips_cpu=mips32r2
215 ;;
216 mipsisa64 | mipsisa64el)
217 mips_cpu=mips64
218 ;;
219 mipsisa64r2 | mipsisa64r2el)
220 mips_cpu=mips64r2
221 ;;
222 mipstx39 | mipstx39el)
223 mips_cpu=r3900
224 ;;
225 mips64vr | mips64vrel)
226 mips_cpu=vr4100
227 ;;
228 mipsisa32r2* | mipsisa64r2*)
229changequote(,)dnl
230 mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..r2//' -e 's/el$//'`
231changequote([,])dnl
232 ;;
233 mips64* | mipsisa64* | mipsisa32*)
234changequote(,)dnl
235 mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..//' -e 's/el$//'`
236changequote([,])dnl
237 ;;
238 mips*)
239changequote(,)dnl
240 mips_cpu=`echo $target_cpu | sed -e 's/^mips//' -e 's/el$//'`
241changequote([,])dnl
242 ;;
243 *)
244 AC_MSG_ERROR($target_cpu isn't a supported MIPS CPU name)
245 ;;
246 esac
247 # See whether it's appropriate to set E_MIPS_ABI_O32 for o32
248 # binaries. It's a GNU extension that some OSes don't understand.
249 case ${target} in
250 *-*-irix*)
251 use_e_mips_abi_o32=0
252 ;;
253 *)
254 use_e_mips_abi_o32=1
255 ;;
256 esac
257 # Decide whether to generate 32-bit or 64-bit code by default.
258 # Used to resolve -march=from-abi when an embedded ABI is selected.
259 case ${target} in
260 mips64*-*-* | mipsisa64*-*-*)
261 mips_default_64bit=1
262 ;;
263 *)
264 mips_default_64bit=0
265 ;;
266 esac
267 # Decide which ABI to target by default.
268 case ${target} in
269 mips64*-linux* | mips-sgi-irix6* | mips64*-freebsd* | mips64*-kfreebsd*-gnu)
270 mips_default_abi=N32_ABI
271 ;;
272 mips*-linux* | mips*-freebsd* | mips*-kfreebsd*-gnu)
273 mips_default_abi=O32_ABI
274 ;;
275 mips64*-openbsd*)
276 mips_default_abi=N64_ABI
277 ;;
278 *)
279 mips_default_abi=NO_ABI
280 ;;
281 esac
282 AC_DEFINE_UNQUOTED(MIPS_CPU_STRING_DEFAULT, "$mips_cpu",
283 [Default CPU for MIPS targets. ])
284 AC_DEFINE_UNQUOTED(USE_E_MIPS_ABI_O32, $use_e_mips_abi_o32,
285 [Allow use of E_MIPS_ABI_O32 on MIPS targets. ])
286 AC_DEFINE_UNQUOTED(MIPS_DEFAULT_64BIT, $mips_default_64bit,
287 [Generate 64-bit code by default on MIPS targets. ])
288 AC_DEFINE_UNQUOTED(MIPS_DEFAULT_ABI, $mips_default_abi,
289 [Choose a default ABI for MIPS targets. ])
290 ;;
291 esac
292
293 # Do we need the opcodes library?
294 case ${cpu_type} in
295 vax | tic30)
296 ;;
297
298 *)
299 need_opcodes=yes
300
301 case "${enable_shared}" in
302 yes) shared_opcodes=true ;;
303 *opcodes*) shared_opcodes=true ;;
304 *) shared_opcodes=false ;;
305 esac
306 ;;
307 esac
308
309 # Any other special object files needed ?
310 case ${cpu_type} in
311
312 bfin)
313 echo ${extra_objects} | grep -s "bfin-parse.o"
314 if test $? -ne 0 ; then
315 extra_objects="$extra_objects bfin-parse.o"
316 fi
317
318 echo ${extra_objects} | grep -s "bfin-lex-wrapper.o"
319 if test $? -ne 0 ; then
320 extra_objects="$extra_objects bfin-lex-wrapper.o"
321 fi
322 ;;
323
324 epiphany | fr30 | ip2k | iq2000 | lm32 | m32r | openrisc)
325 using_cgen=yes
326 ;;
327
328 m32c)
329 using_cgen=yes
330 ;;
331 frv)
332 using_cgen=yes
333 ;;
334 m68k)
335 case ${extra_objects} in
336 *m68k-parse.o*) ;;
337 *) extra_objects="$extra_objects m68k-parse.o" ;;
338 esac
339 ;;
340
341 mep)
342 using_cgen=yes
343 ;;
344
345 mips)
346 echo ${extra_objects} | grep -s "itbl-parse.o"
347 if test $? -ne 0 ; then
348 extra_objects="$extra_objects itbl-parse.o"
349 fi
350
351 echo ${extra_objects} | grep -s "itbl-lex-wrapper.o"
352 if test $? -ne 0 ; then
353 extra_objects="$extra_objects itbl-lex-wrapper.o"
354 fi
355
356 echo ${extra_objects} | grep -s "itbl-ops.o"
357 if test $? -ne 0 ; then
358 extra_objects="$extra_objects itbl-ops.o"
359 fi
360 ;;
361
362 mt)
363 using_cgen=yes
364 ;;
365
366 i386 | s390 | sparc)
367 if test $this_target = $target ; then
368 AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
369 fi
370 ;;
371
372 rl78)
373 echo ${extra_objects} | grep -s "rl78-parse.o"
374 if test $? -ne 0 ; then
375 extra_objects="$extra_objects rl78-parse.o"
376 fi
377 ;;
378
379 rx)
380 echo ${extra_objects} | grep -s "rx-parse.o"
381 if test $? -ne 0 ; then
382 extra_objects="$extra_objects rx-parse.o"
383 fi
384 ;;
385
386 xstormy16)
387 using_cgen=yes
388 ;;
389
390 xc16x)
391 using_cgen=yes
392 ;;
393
394 xtensa)
395 echo ${extra_objects} | grep -s "xtensa-relax.o"
396 if test $? -ne 0 ; then
397 extra_objects="$extra_objects xtensa-relax.o"
398 fi
399 ;;
400
401 *)
402 ;;
403 esac
404
405 if test $using_cgen = yes ; then
406 case "x${extra_objects}" in
407 *cgen.o*) ;;
408 *) extra_objects="$extra_objects cgen.o" ;;
409 esac
410 fi
411
412# See if we really can support this configuration with the emulation code.
413
414 if test $this_target = $target ; then
415 obj_format=$fmt
416 te_file=$em
417 fi
418
419 case ${te_file} in
420 vms) extra_objects="$extra_objects te-vms.o" ;;
421 esac
422
423# From target name and format, produce a list of supported emulations.
424
425 case ${generic_target}-${fmt} in
426 mips-*-*-*) case "$endian" in
427 big) emulation="mipsbelf mipslelf mipself" ;;
428 *) emulation="mipslelf mipsbelf mipself" ;;
429 esac ;;
430 # i386-pc-pe-coff != i386-pc-coff.
431 i386-*-pe-coff) ;;
432 # Uncommenting the next line will turn on support for i386 AOUT
433 # for the default linux configuration
434 # i386-*-linux*-elf) emulation="i386elf i386aout" ;;
435 #
436 i386-*-aout) emulation="i386aout" ;;
437 i386-*-coff) emulation="i386coff" ;;
438 i386-*-elf) emulation="i386elf" ;;
439
440 # Always all formats. The first stated emulation becomes the default.
441 cris-*-*aout*) emulation="crisaout criself" ;;
442 cris-*-*) emulation="criself crisaout" ;;
443 esac
444
445 emulations="$emulations $emulation"
446
447done
448
449# Turn on all targets if possible
450if test ${all_targets} = "yes"; then
451 case ${target_cpu_type} in
452 i386)
453 case ${obj_format} in
454 aout)
455 emulations="$emulations i386coff i386elf"
456 ;;
457 coff)
458 emulations="$emulations i386aout i386elf"
459 ;;
460 elf)
461 emulations="$emulations i386aout i386coff"
462 ;;
463 esac
464 ;;
465 x86_64)
466 case ${obj_format} in
467 aout)
468 emulations="$emulations i386coff i386elf"
469 ;;
470 coff)
471 emulations="$emulations i386aout i386elf"
472 ;;
473 elf)
474 emulations="$emulations i386aout i386coff"
475 ;;
476 esac
477 ;;
478 esac
479fi
480
481# PE code has way too many macros tweaking behaviour
482case ${te_file} in
483 pe*) emulations="" ;;
484esac
485
486# Assign floating point type. Most processors with FP support
487# IEEE FP. On those that don't support FP at all, usually IEEE
488# is emulated.
489case ${target_cpu} in
490 vax | pdp11 ) atof=vax ;;
491 *) atof=ieee ;;
492esac
493
494case "${obj_format}" in
495 "") AC_MSG_ERROR(GAS does not know what format to use for target ${target}) ;;
496esac
497
498# Unfortunately the cpu in cpu-opc.h file isn't always $(TARGET_CPU).
499cgen_cpu_prefix=""
500if test $using_cgen = yes ; then
501 case ${target_cpu} in
502 *) cgen_cpu_prefix=${target_cpu} ;;
503 esac
504 AC_SUBST(cgen_cpu_prefix)
505 AC_DEFINE(USING_CGEN, 1, [Using cgen code?])
506fi
507
508dnl
509dnl Make sure the desired support files exist.
510dnl
511
512if test ! -r ${srcdir}/config/tc-${target_cpu_type}.c; then
513 AC_MSG_ERROR(GAS does not support target CPU ${target_cpu_type})
514fi
515
516if test ! -r ${srcdir}/config/obj-${obj_format}.c; then
517 AC_MSG_ERROR(GAS does not have support for object file format ${obj_format})
518fi
519
520# Some COFF configurations want these random other flags set.
521case ${obj_format} in
522 coff)
523 case ${target_cpu_type} in
524 i386) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
525 m68k) AC_DEFINE(M68KCOFF, 1, [Using m68k COFF?]) ;;
526 m88k) AC_DEFINE(M88KCOFF, 1, [Using m88k COFF?]) ;;
527 x86_64) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
528 esac
529 ;;
530esac
531
532# Getting this done right is going to be a bitch. Each configuration specified
533# with --enable-targets=... should be checked for environment, format, cpu
534# setting.
535#
536# For each configuration, the necessary object file support code must be linked
537# in. This might be only one, it might be up to four. The necessary emulation
538# code needs to be provided, too.
539#
540# And then there's "--enable-targets=all"....
541#
542# For now, just always do it for MIPS ELF configurations. Sigh.
543
544formats="${obj_format}"
545emfiles=""
546EMULATIONS=""
547GAS_UNIQ(emulations)
548for em in . $emulations ; do
549 case $em in
550 .) continue ;;
551 mipsbelf | mipslelf | mipself)
552 fmt=elf file=mipself ;;
553 *coff)
554 fmt=coff file=$em ;;
555 *aout)
556 fmt=aout file=$em ;;
557 *elf)
558 fmt=elf file=$em ;;
559 esac
560 formats="$formats $fmt"
561 emfiles="$emfiles e-$file.o"
562 EMULATIONS="$EMULATIONS &$em,"
563done
564GAS_UNIQ(formats)
565GAS_UNIQ(emfiles)
566if test `set . $formats ; shift ; echo $#` -gt 1 ; then
567 for fmt in $formats ; do
568 case $fmt in
569 aout) AC_DEFINE(OBJ_MAYBE_AOUT, 1, [a.out support?]) ;;
570 bout) AC_DEFINE(OBJ_MAYBE_BOUT, 1, [b.out support?]) ;;
571 coff) AC_DEFINE(OBJ_MAYBE_COFF, 1, [COFF support?]) ;;
572 ecoff) AC_DEFINE(OBJ_MAYBE_ECOFF, 1, [ECOFF support?]) ;;
573 elf) AC_DEFINE(OBJ_MAYBE_ELF, 1, [ELF support?]) ;;
574 generic) AC_DEFINE(OBJ_MAYBE_GENERIC, 1, [generic support?]) ;;
575 som) AC_DEFINE(OBJ_MAYBE_SOM, 1, [SOM support?]) ;;
576 esac
577 extra_objects="$extra_objects obj-$fmt.o"
578 done
579 obj_format=multi
580fi
581if test `set . $emfiles ; shift ; echo $#` -gt 0 ; then
582 DEFAULT_EMULATION=`set . $emulations ; echo $2`
583 # e-mipself has more than one emulation per file, e-i386* has just one at the
584 # moment. If only one emulation is specified, then don't define
585 # USE_EMULATIONS or include any of the e-files as they will only be bloat.
586 case "${obj_format}${emfiles}" in
587 multi* | *mipself*)
588 extra_objects="$extra_objects $emfiles"
589 AC_DEFINE(USE_EMULATIONS, 1, [Use emulation support?]) ;;
590 esac
591fi
592AC_SUBST(extra_objects)
593AC_DEFINE_UNQUOTED(EMULATIONS, $EMULATIONS, [Supported emulations.])
594AC_DEFINE_UNQUOTED(DEFAULT_EMULATION, "$DEFAULT_EMULATION",
595 [Default emulation.])
596
597reject_dev_configs=yes
598
599case ${reject_dev_configs}-${dev} in
600 yes-yes) # Oops.
601 AC_MSG_ERROR(GAS does not support the ${generic_target} configuration.)
602 ;;
603esac
604
605AC_SUBST(target_cpu_type)
606AC_SUBST(obj_format)
607AC_SUBST(te_file)
608AC_SUBST(install_tooldir)
609AC_SUBST(atof)
610dnl AC_SUBST(emulation)
611
612# do we need the opcodes library?
613case "${need_opcodes}" in
614yes)
615 OPCODES_LIB=../opcodes/libopcodes.la
616 ;;
617esac
618
619AC_SUBST(OPCODES_LIB)
620
621AC_DEFINE_UNQUOTED(TARGET_ALIAS, "${target_alias}", [Target alias.])
622AC_DEFINE_UNQUOTED(TARGET_CANONICAL, "${target}", [Canonical target.])
623AC_DEFINE_UNQUOTED(TARGET_CPU, "${target_cpu}", [Target CPU.])
624AC_DEFINE_UNQUOTED(TARGET_VENDOR, "${target_vendor}", [Target vendor.])
625AC_DEFINE_UNQUOTED(TARGET_OS, "${target_os}", [Target OS.])
626
627AC_PROG_YACC
628AM_PROG_LEX
629
630ALL_LINGUAS="fr tr es rw id ru fi ja"
631ZW_GNU_GETTEXT_SISTER_DIR
632AM_PO_SUBDIRS
633
634AM_MAINTAINER_MODE
635AM_CONDITIONAL(GENINSRC_NEVER, false)
636AC_EXEEXT
637
638AC_CHECK_HEADERS(string.h stdlib.h memory.h strings.h unistd.h errno.h sys/types.h limits.h locale.h time.h sys/stat.h)
639ACX_HEADER_STRING
640
641# Put this here so that autoconf's "cross-compiling" message doesn't confuse
642# people who are not cross-compiling but are compiling cross-assemblers.
643AC_MSG_CHECKING(whether compiling a cross-assembler)
644if test "${host}" = "${target}"; then
645 cross_gas=no
646else
647 cross_gas=yes
648 AC_DEFINE(CROSS_COMPILE, 1, [Compiling cross-assembler?])
649fi
650AC_MSG_RESULT($cross_gas)
651
652dnl ansidecl.h will deal with const
653dnl AC_C_CONST
654AC_FUNC_ALLOCA
655AC_C_INLINE
656
657# VMS doesn't have unlink.
658AC_CHECK_FUNCS(unlink remove, break)
659AC_CHECK_FUNCS(sbrk setlocale)
660
661AM_LC_MESSAGES
662
663# do we need the math library?
664case "${need_libm}" in
665yes)
666 LT_LIB_M
667 AC_SUBST(LIBM)
668 ;;
669esac
670
671# Some non-ANSI preprocessors botch requoting inside strings. That's bad
672# enough, but on some of those systems, the assert macro relies on requoting
673# working properly!
674GAS_WORKING_ASSERT
675
676# On some systems, the system header files may not declare malloc, realloc,
677# and free. There are places where gas needs these functions to have been
678# declared -- such as when taking their addresses.
679gas_test_headers="
680#ifdef HAVE_MEMORY_H
681#include <memory.h>
682#endif
683#ifdef HAVE_STRING_H
684#include <string.h>
685#else
686#ifdef HAVE_STRINGS_H
687#include <strings.h>
688#endif
689#endif
690#ifdef HAVE_STDLIB_H
691#include <stdlib.h>
692#endif
693#ifdef HAVE_UNISTD_H
694#include <unistd.h>
695#endif
696"
697
698# Does errno.h declare errno, or do we have to add a separate declaration
699# for it?
700GAS_CHECK_DECL_NEEDED(errno, f, int f, [
701#ifdef HAVE_ERRNO_H
702#include <errno.h>
703#endif
704])
705
706AC_MSG_CHECKING(for a known getopt prototype in unistd.h)
707AC_CACHE_VAL(gas_cv_decl_getopt_unistd_h,
708[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);])],
709gas_cv_decl_getopt_unistd_h=yes, gas_cv_decl_getopt_unistd_h=no)])
710AC_MSG_RESULT($gas_cv_decl_getopt_unistd_h)
711if test $gas_cv_decl_getopt_unistd_h = yes; then
712 AC_DEFINE([HAVE_DECL_GETOPT], 1,
713 [Is the prototype for getopt in <unistd.h> in the expected format?])
714fi
715
716GAS_CHECK_DECL_NEEDED(environ, f, char **f, $gas_test_headers)
717GAS_CHECK_DECL_NEEDED(ffs, f, int (*f)(int), $gas_test_headers)
718GAS_CHECK_DECL_NEEDED(free, f, void (*f)(), $gas_test_headers)
719GAS_CHECK_DECL_NEEDED(malloc, f, char *(*f)(), $gas_test_headers)
720GAS_CHECK_DECL_NEEDED(sbrk, f, char *(*f)(), $gas_test_headers)
721GAS_CHECK_DECL_NEEDED(strstr, f, char *(*f)(), $gas_test_headers)
722
723AC_CHECK_DECLS([free, getenv, malloc, mempcpy, realloc, stpcpy, strstr, vsnprintf])
724
725BFD_BINARY_FOPEN
726
727# Link in zlib if we can. This allows us to write compressed debug sections.
728AM_ZLIB
729
730# Support for VMS timestamps via cross compile
731
732if test "$ac_cv_header_time_h" = yes; then
733 GAS_HAVE_TIME_TYPE_MEMBER(struct tm, tm_gmtoff)
734fi
735
736if test "$ac_cv_header_sys_stat_h" = yes; then
737 GAS_HAVE_SYS_STAT_TYPE_MEMBER(struct stat, st_mtim, tv_sec)
738 GAS_HAVE_SYS_STAT_TYPE_MEMBER(struct stat, st_mtim, tv_nsec)
739fi
740
741
742dnl Required for html, pdf, install-pdf and install-html targets.
743AC_SUBST(datarootdir)
744AC_SUBST(docdir)
745AC_SUBST(htmldir)
746AC_SUBST(pdfdir)
747
748dnl This must come last.
749
750dnl We used to make symlinks to files in the source directory, but now
751dnl we just use the right name for .c files, and create .h files in
752dnl the build directory which include the right .h file. Make sure
753dnl the old symlinks don't exist, so that a reconfigure in an existing
754dnl directory behaves reasonably.
755
756AC_CONFIG_FILES(Makefile doc/Makefile po/Makefile.in:po/Make-in)
757AC_CONFIG_COMMANDS([default],
758[rm -f targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c itbl-cpu.h
759 echo '#include "tc-'"${target_cpu_type}"'.h"' > targ-cpu.h
760 echo '#include "obj-'"${obj_format}"'.h"' > obj-format.h
761 echo '#include "te-'"${te_file}"'.h"' > targ-env.h
762 echo '#include "itbl-'"${target_cpu_type}"'.h"' > itbl-cpu.h
763 if test "x$cgen_cpu_prefix" != x ; then
764 echo '#include "opcodes/'"${cgen_cpu_prefix}"'-desc.h"' > cgen-desc.h
765 fi],
766[target_cpu_type=${target_cpu_type}
767 cgen_cpu_prefix=${cgen_cpu_prefix}
768 obj_format=${obj_format}
769 te_file=${te_file}])
770
771AC_OUTPUT
This page took 0.024914 seconds and 4 git commands to generate.