1 dnl Process this file with autoconf to produce a configure script.
3 dnl And be careful when changing it! If you must add tests with square
4 dnl brackets, be sure changequote invocations surround it.
6 dnl Copyright 2012, 2013 Free Software Foundation
8 dnl This file is free software; you can redistribute it and/or modify
9 dnl it under the terms of the GNU General Public License as published by
10 dnl the Free Software Foundation; either version 3 of the License, or
11 dnl (at your option) any later version.
13 dnl This program is distributed in the hope that it will be useful,
14 dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
15 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 dnl GNU General Public License for more details.
18 dnl You should have received a copy of the GNU General Public License
19 dnl along with this program; see the file COPYING3. If not see
20 dnl <http://www.gnu.org/licenses/>.
22 dnl v2.5 needed for --bindir et al
25 AC_CONFIG_SRCDIR(as.h)
27 dnl Autoconf 2.57 will find the aux dir without this. However, unless
28 dnl we specify this explicitly, automake-1.7 will assume that ylwrap is in
29 dnl gas/ instead of gas/../.
35 BFD_VERSION=`${srcdir}/../bfd/configure --version | sed -n -e '1s,.* ,,p'`
37 AM_INIT_AUTOMAKE(gas, ${BFD_VERSION})
41 AC_USE_SYSTEM_EXTENSIONS
46 AC_ARG_ENABLE(targets,
47 [ --enable-targets alternative target configurations besides the primary],
48 [case "${enableval}" in
49 yes | "") AC_MSG_ERROR(enable-targets option must specify target names or 'all')
51 no) enable_targets= ;;
52 *) enable_targets=$enableval ;;
56 if grep '^RELEASE=y' ${srcdir}/../bfd/Makefile.am >/dev/null 2>/dev/null ; then
59 AC_ARG_ENABLE(checking,
60 [ --enable-checking enable run-time checks],
61 [case "${enableval}" in
62 no|none) ac_checking= ;;
65 if test x$ac_checking != x ; then
66 AC_DEFINE(ENABLE_CHECKING, 1, [Define if you want run-time sanity checks.])
73 # Generate a header file
74 AC_CONFIG_HEADERS(config.h:config.in)
77 AH_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
83 #define __CONFIG_H__ 1])
85 # If we are on a DOS filesystem, we must use gdb.ini rather than
88 *-*-msdos* | *-*-go32* | *-*-mingw32* | *-*-windows*)
90 AC_CONFIG_FILES(gdb.ini:gdbinit.in)
94 AC_CONFIG_FILES(.gdbinit:gdbinit.in)
99 #We need this for the host. BOUT header is in host order.
104 # Makefile target for installing gas in $(tooldir)/bin.
105 install_tooldir=install-exec-tooldir
109 if test -n "$enable_targets" ; then
110 for t in `echo $enable_targets | sed 's/,/ /g'`; do
111 if test $t = "all"; then
115 result=`$ac_config_sub $t 2>/dev/null`
116 if test -n "$result" ; then
117 canon_targets="$canon_targets $result"
119 # # Permit "all", etc. We don't support it yet though.
120 # canon_targets="$canon_targets $t"
123 GAS_UNIQ(canon_targets)
128 for this_target in $target $canon_targets ; do
131 . ${srcdir}/configure.tgt
133 case ${target_cpu} in
135 AC_DEFINE_UNQUOTED(DEFAULT_CRIS_ARCH, $arch,
136 [Default CRIS architecture.])
140 if test ${this_target} = $target ; then
141 target_cpu_type=${cpu_type}
142 elif test ${target_cpu_type} != ${cpu_type} ; then
146 generic_target=${cpu_type}-${target_vendor}-${target_os}
147 case ${generic_target} in
149 if test ${this_target} = $target; then
150 AC_DEFINE(SCO_ELF, 1, [Define if defaulting to ELF on SCO 5.])
157 AC_DEFINE(STRICTCOFF, 1, [Using strict COFF?])
161 AC_MSG_WARN(GAS support for ${generic_target} is preliminary and a work in progress)
170 AC_DEFINE(AIX_WEAK_SUPPORT, 1,
171 [Define if using AIX 5.2 value for C_WEAKEXT.])
174 if test ${this_target} = $target; then
175 AC_DEFINE(TARGET_SOLARIS_COMMENT, 1,
176 [Define if default target is PowerPC Solaris.])
178 if test x${endian} = xbig; then
179 AC_MSG_ERROR(Solaris must be configured little endian)
184 AC_DEFINE(TARGET_SYMBIAN, 1, [Define if target is Symbian OS.])
188 if test ${this_target} = $target ; then
190 if test x${endian} = xbig; then
192 elif test x${endian} = xlittle; then
195 if test x${endian_def} != x; then
196 AC_DEFINE_UNQUOTED(TARGET_BYTES_BIG_ENDIAN, $endian_def,
197 [Define as 1 if big endian.])
201 # Other random stuff.
205 # Set mips_cpu to the name of the default CPU.
206 case ${target_cpu} in
207 mips | mipsbe | mipseb | mipsle | mipsel | mips64 | mips64el)
210 mipsisa32 | mipsisa32el)
213 mipsisa32r2 | mipsisa32r2el)
216 mipsisa64 | mipsisa64el)
219 mipsisa64r2 | mipsisa64r2el)
222 mipstx39 | mipstx39el)
225 mips64vr | mips64vrel)
228 mipsisa32r2* | mipsisa64r2*)
230 mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..r2//' -e 's/el$//'`
233 mips64* | mipsisa64* | mipsisa32*)
235 mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..//' -e 's/el$//'`
240 mips_cpu=`echo $target_cpu | sed -e 's/^mips//' -e 's/el$//'`
244 AC_MSG_ERROR($target_cpu isn't a supported MIPS CPU name)
247 # See whether it's appropriate to set E_MIPS_ABI_O32 for o32
248 # binaries. It's a GNU extension that some OSes don't understand.
257 # Decide whether to generate 32-bit or 64-bit code by default.
258 # Used to resolve -march=from-abi when an embedded ABI is selected.
260 mips64*-*-* | mipsisa64*-*-*)
267 # Decide which ABI to target by default.
269 mips64*-linux* | mips-sgi-irix6* | mips64*-freebsd* | mips64*-kfreebsd*-gnu)
270 mips_default_abi=N32_ABI
272 mips*-linux* | mips*-freebsd* | mips*-kfreebsd*-gnu)
273 mips_default_abi=O32_ABI
276 mips_default_abi=N64_ABI
279 mips_default_abi=NO_ABI
282 AC_DEFINE_UNQUOTED(MIPS_CPU_STRING_DEFAULT, "$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, $mips_default_abi,
289 [Choose a default ABI for MIPS targets. ])
293 # Do we need the opcodes library?
301 case "${enable_shared}" in
302 yes) shared_opcodes=true ;;
303 *opcodes*) shared_opcodes=true ;;
304 *) shared_opcodes=false ;;
309 # Any other special object files needed ?
313 echo ${extra_objects} | grep -s "bfin-parse.o"
314 if test $? -ne 0 ; then
315 extra_objects="$extra_objects bfin-parse.o"
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"
324 epiphany | fr30 | ip2k | iq2000 | lm32 | m32r | openrisc)
335 case ${extra_objects} in
337 *) extra_objects="$extra_objects m68k-parse.o" ;;
346 echo ${extra_objects} | grep -s "itbl-parse.o"
347 if test $? -ne 0 ; then
348 extra_objects="$extra_objects itbl-parse.o"
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"
356 echo ${extra_objects} | grep -s "itbl-ops.o"
357 if test $? -ne 0 ; then
358 extra_objects="$extra_objects itbl-ops.o"
367 if test $this_target = $target ; then
368 AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
373 echo ${extra_objects} | grep -s "rl78-parse.o"
374 if test $? -ne 0 ; then
375 extra_objects="$extra_objects rl78-parse.o"
380 echo ${extra_objects} | grep -s "rx-parse.o"
381 if test $? -ne 0 ; then
382 extra_objects="$extra_objects rx-parse.o"
395 echo ${extra_objects} | grep -s "xtensa-relax.o"
396 if test $? -ne 0 ; then
397 extra_objects="$extra_objects xtensa-relax.o"
405 if test $using_cgen = yes ; then
406 case "x${extra_objects}" in
408 *) extra_objects="$extra_objects cgen.o" ;;
412 # See if we really can support this configuration with the emulation code.
414 if test $this_target = $target ; then
420 vms) extra_objects="$extra_objects te-vms.o" ;;
423 # From target name and format, produce a list of supported emulations.
425 case ${generic_target}-${fmt} in
426 mips-*-*-*) case "$endian" in
427 big) emulation="mipsbelf mipslelf mipself" ;;
428 *) emulation="mipslelf mipsbelf mipself" ;;
430 # i386-pc-pe-coff != i386-pc-coff.
432 # Uncommenting the next line will turn on support for i386 AOUT
433 # for the default linux configuration
434 # i386-*-linux*-elf) emulation="i386elf i386aout" ;;
436 i386-*-aout) emulation="i386aout" ;;
437 i386-*-coff) emulation="i386coff" ;;
438 i386-*-elf) emulation="i386elf" ;;
440 # Always all formats. The first stated emulation becomes the default.
441 cris-*-*aout*) emulation="crisaout criself" ;;
442 cris-*-*) emulation="criself crisaout" ;;
445 emulations="$emulations $emulation"
449 # Turn on all targets if possible
450 if test ${all_targets} = "yes"; then
451 case ${target_cpu_type} in
453 case ${obj_format} in
455 emulations="$emulations i386coff i386elf"
458 emulations="$emulations i386aout i386elf"
461 emulations="$emulations i386aout i386coff"
466 case ${obj_format} in
468 emulations="$emulations i386coff i386elf"
471 emulations="$emulations i386aout i386elf"
474 emulations="$emulations i386aout i386coff"
481 # PE code has way too many macros tweaking behaviour
483 pe*) emulations="" ;;
486 # Assign floating point type. Most processors with FP support
487 # IEEE FP. On those that don't support FP at all, usually IEEE
489 case ${target_cpu} in
490 vax | pdp11 ) atof=vax ;;
494 case "${obj_format}" in
495 "") AC_MSG_ERROR(GAS does not know what format to use for target ${target}) ;;
498 # Unfortunately the cpu in cpu-opc.h file isn't always $(TARGET_CPU).
500 if test $using_cgen = yes ; then
501 case ${target_cpu} in
502 *) cgen_cpu_prefix=${target_cpu} ;;
504 AC_SUBST(cgen_cpu_prefix)
505 AC_DEFINE(USING_CGEN, 1, [Using cgen code?])
509 dnl Make sure the desired support files exist.
512 if test ! -r ${srcdir}/config/tc-${target_cpu_type}.c; then
513 AC_MSG_ERROR(GAS does not support target CPU ${target_cpu_type})
516 if test ! -r ${srcdir}/config/obj-${obj_format}.c; then
517 AC_MSG_ERROR(GAS does not have support for object file format ${obj_format})
520 # Some COFF configurations want these random other flags set.
521 case ${obj_format} in
523 case ${target_cpu_type} in
524 i386) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
525 m68k) AC_DEFINE(M68KCOFF, 1, [Using m68k COFF?]) ;;
526 m88k) AC_DEFINE(M88KCOFF, 1, [Using m88k COFF?]) ;;
527 x86_64) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
532 # Getting this done right is going to be a bitch. Each configuration specified
533 # with --enable-targets=... should be checked for environment, format, cpu
536 # For each configuration, the necessary object file support code must be linked
537 # in. This might be only one, it might be up to four. The necessary emulation
538 # code needs to be provided, too.
540 # And then there's "--enable-targets=all"....
542 # For now, just always do it for MIPS ELF configurations. Sigh.
544 formats="${obj_format}"
548 for em in . $emulations ; do
551 mipsbelf | mipslelf | mipself)
552 fmt=elf file=mipself ;;
560 formats="$formats $fmt"
561 emfiles="$emfiles e-$file.o"
562 EMULATIONS="$EMULATIONS &$em,"
566 if test `set . $formats ; shift ; echo $#` -gt 1 ; then
567 for fmt in $formats ; do
569 aout) AC_DEFINE(OBJ_MAYBE_AOUT, 1, [a.out support?]) ;;
570 bout) AC_DEFINE(OBJ_MAYBE_BOUT, 1, [b.out support?]) ;;
571 coff) AC_DEFINE(OBJ_MAYBE_COFF, 1, [COFF support?]) ;;
572 ecoff) AC_DEFINE(OBJ_MAYBE_ECOFF, 1, [ECOFF support?]) ;;
573 elf) AC_DEFINE(OBJ_MAYBE_ELF, 1, [ELF support?]) ;;
574 generic) AC_DEFINE(OBJ_MAYBE_GENERIC, 1, [generic support?]) ;;
575 som) AC_DEFINE(OBJ_MAYBE_SOM, 1, [SOM support?]) ;;
577 extra_objects="$extra_objects obj-$fmt.o"
581 if 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}${emfiles}" in
588 extra_objects="$extra_objects $emfiles"
589 AC_DEFINE(USE_EMULATIONS, 1, [Use emulation support?]) ;;
592 AC_SUBST(extra_objects)
593 AC_DEFINE_UNQUOTED(EMULATIONS, $EMULATIONS, [Supported emulations.])
594 AC_DEFINE_UNQUOTED(DEFAULT_EMULATION, "$DEFAULT_EMULATION",
595 [Default emulation.])
597 reject_dev_configs=yes
599 case ${reject_dev_configs}-${dev} in
601 AC_MSG_ERROR(GAS does not support the ${generic_target} configuration.)
605 AC_SUBST(target_cpu_type)
608 AC_SUBST(install_tooldir)
610 dnl AC_SUBST(emulation)
612 # do we need the opcodes library?
613 case "${need_opcodes}" in
615 OPCODES_LIB=../opcodes/libopcodes.la
619 AC_SUBST(OPCODES_LIB)
621 AC_DEFINE_UNQUOTED(TARGET_ALIAS, "${target_alias}", [Target alias.])
622 AC_DEFINE_UNQUOTED(TARGET_CANONICAL, "${target}", [Canonical target.])
623 AC_DEFINE_UNQUOTED(TARGET_CPU, "${target_cpu}", [Target CPU.])
624 AC_DEFINE_UNQUOTED(TARGET_VENDOR, "${target_vendor}", [Target vendor.])
625 AC_DEFINE_UNQUOTED(TARGET_OS, "${target_os}", [Target OS.])
630 ALL_LINGUAS="fr tr es rw id ru fi ja"
631 ZW_GNU_GETTEXT_SISTER_DIR
635 AM_CONDITIONAL(GENINSRC_NEVER, false)
638 AC_CHECK_HEADERS(string.h stdlib.h memory.h strings.h unistd.h errno.h sys/types.h limits.h locale.h time.h sys/stat.h)
641 # Put this here so that autoconf's "cross-compiling" message doesn't confuse
642 # people who are not cross-compiling but are compiling cross-assemblers.
643 AC_MSG_CHECKING(whether compiling a cross-assembler)
644 if test "${host}" = "${target}"; then
648 AC_DEFINE(CROSS_COMPILE, 1, [Compiling cross-assembler?])
650 AC_MSG_RESULT($cross_gas)
652 dnl ansidecl.h will deal with const
657 # VMS doesn't have unlink.
658 AC_CHECK_FUNCS(unlink remove, break)
659 AC_CHECK_FUNCS(sbrk setlocale)
663 # do we need the math library?
664 case "${need_libm}" in
671 # Some non-ANSI preprocessors botch requoting inside strings. That's bad
672 # enough, but on some of those systems, the assert macro relies on requoting
676 # On some systems, the system header files may not declare malloc, realloc,
677 # and free. There are places where gas needs these functions to have been
678 # declared -- such as when taking their addresses.
686 #ifdef HAVE_STRINGS_H
698 # Does errno.h declare errno, or do we have to add a separate declaration
700 GAS_CHECK_DECL_NEEDED(errno, f, int f, [
706 AC_MSG_CHECKING(for a known getopt prototype in unistd.h)
707 AC_CACHE_VAL(gas_cv_decl_getopt_unistd_h,
708 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);])],
709 gas_cv_decl_getopt_unistd_h=yes, gas_cv_decl_getopt_unistd_h=no)])
710 AC_MSG_RESULT($gas_cv_decl_getopt_unistd_h)
711 if 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?])
716 GAS_CHECK_DECL_NEEDED(environ, f, char **f, $gas_test_headers)
717 GAS_CHECK_DECL_NEEDED(ffs, f, int (*f)(int), $gas_test_headers)
718 GAS_CHECK_DECL_NEEDED(free, f, void (*f)(), $gas_test_headers)
719 GAS_CHECK_DECL_NEEDED(malloc, f, char *(*f)(), $gas_test_headers)
720 GAS_CHECK_DECL_NEEDED(sbrk, f, char *(*f)(), $gas_test_headers)
721 GAS_CHECK_DECL_NEEDED(strstr, f, char *(*f)(), $gas_test_headers)
723 AC_CHECK_DECLS([free, getenv, malloc, mempcpy, realloc, stpcpy, strstr, vsnprintf])
727 # Link in zlib if we can. This allows us to write compressed debug sections.
730 # Support for VMS timestamps via cross compile
732 if test "$ac_cv_header_time_h" = yes; then
733 GAS_HAVE_TIME_TYPE_MEMBER(struct tm, tm_gmtoff)
736 if test "$ac_cv_header_sys_stat_h" = yes; then
737 GAS_HAVE_SYS_STAT_TYPE_MEMBER(struct stat, st_mtim, tv_sec)
738 GAS_HAVE_SYS_STAT_TYPE_MEMBER(struct stat, st_mtim, tv_nsec)
742 dnl Required for html, pdf, install-pdf and install-html targets.
743 AC_SUBST(datarootdir)
748 dnl This must come last.
750 dnl We used to make symlinks to files in the source directory, but now
751 dnl we just use the right name for .c files, and create .h files in
752 dnl the build directory which include the right .h file. Make sure
753 dnl the old symlinks don't exist, so that a reconfigure in an existing
754 dnl directory behaves reasonably.
756 AC_CONFIG_FILES(Makefile doc/Makefile po/Makefile.in:po/Make-in)
757 AC_CONFIG_COMMANDS([default],
758 [rm -f targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c itbl-cpu.h
759 echo '#include "tc-'"${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/'"${cgen_cpu_prefix}"'-desc.h"' > cgen-desc.h
766 [target_cpu_type=${target_cpu_type}
767 cgen_cpu_prefix=${cgen_cpu_prefix}
768 obj_format=${obj_format}