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_MSG_ERROR(Unknown vendor for mips-bsd configuration.)
176 AC_DEFINE(AIX_WEAK_SUPPORT, 1,
177 [Define if using AIX 5.2 value for C_WEAKEXT.])
182 *) AC_MSG_ERROR(GNU/Linux must be configured big endian) ;;
186 if test ${this_target} = $target; then
187 AC_DEFINE(TARGET_SOLARIS_COMMENT, 1,
188 [Define if default target is PowerPC Solaris.])
190 if test x${endian} = xbig; then
191 AC_MSG_ERROR(Solaris must be configured little endian)
196 AC_DEFINE(TARGET_SYMBIAN, 1, [Define if target is Symbian OS.])
200 if test ${this_target} = $target ; then
202 if test x${endian} = xbig; then
204 elif test x${endian} = xlittle; then
207 if test x${endian_def} != x; then
208 AC_DEFINE_UNQUOTED(TARGET_BYTES_BIG_ENDIAN, $endian_def,
209 [Define as 1 if big endian.])
213 # Other random stuff.
217 # Set mips_cpu to the name of the default CPU.
218 case ${target_cpu} in
219 mips | mipsbe | mipseb | mipsle | mipsel | mips64 | mips64el)
222 mipsisa32 | mipsisa32el)
225 mipsisa32r2 | mipsisa32r2el)
228 mipsisa64 | mipsisa64el)
231 mipsisa64r2 | mipsisa64r2el)
234 mipstx39 | mipstx39el)
237 mips64vr | mips64vrel)
240 mipsisa32r2* | mipsisa64r2*)
242 mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..r2//' -e 's/el$//'`
245 mips64* | mipsisa64* | mipsisa32*)
247 mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..//' -e 's/el$//'`
252 mips_cpu=`echo $target_cpu | sed -e 's/^mips//' -e 's/el$//'`
256 AC_MSG_ERROR($target_cpu isn't a supported MIPS CPU name)
259 # See whether it's appropriate to set E_MIPS_ABI_O32 for o32
260 # binaries. It's a GNU extension that some OSes don't understand.
261 # The value only matters on ELF targets.
270 # Decide whether to generate 32-bit or 64-bit code by default.
271 # Used to resolve -march=from-abi when an embedded ABI is selected.
273 mips64*-*-* | mipsisa64*-*-*)
280 # Decide which ABI to target by default.
282 mips64*-linux* | mips-sgi-irix6* | mips64*-freebsd* | mips64*-kfreebsd*-gnu)
283 mips_default_abi=N32_ABI
285 mips*-linux* | mips*-freebsd* | mips*-kfreebsd*-gnu)
286 mips_default_abi=O32_ABI
289 mips_default_abi=N64_ABI
292 mips_default_abi=NO_ABI
295 AC_DEFINE_UNQUOTED(MIPS_CPU_STRING_DEFAULT, "$mips_cpu",
296 [Default CPU for MIPS targets. ])
297 AC_DEFINE_UNQUOTED(USE_E_MIPS_ABI_O32, $use_e_mips_abi_o32,
298 [Allow use of E_MIPS_ABI_O32 on MIPS targets. ])
299 AC_DEFINE_UNQUOTED(MIPS_DEFAULT_64BIT, $mips_default_64bit,
300 [Generate 64-bit code by default on MIPS targets. ])
301 AC_DEFINE_UNQUOTED(MIPS_DEFAULT_ABI, $mips_default_abi,
302 [Choose a default ABI for MIPS targets. ])
306 # Do we need the opcodes library?
314 case "${enable_shared}" in
315 yes) shared_opcodes=true ;;
316 *opcodes*) shared_opcodes=true ;;
317 *) shared_opcodes=false ;;
322 # Any other special object files needed ?
326 echo ${extra_objects} | grep -s "bfin-parse.o"
327 if test $? -ne 0 ; then
328 extra_objects="$extra_objects bfin-parse.o"
331 echo ${extra_objects} | grep -s "bfin-lex-wrapper.o"
332 if test $? -ne 0 ; then
333 extra_objects="$extra_objects bfin-lex-wrapper.o"
337 epiphany | fr30 | ip2k | iq2000 | lm32 | m32r | openrisc)
348 case ${extra_objects} in
350 *) extra_objects="$extra_objects m68k-parse.o" ;;
359 echo ${extra_objects} | grep -s "itbl-parse.o"
360 if test $? -ne 0 ; then
361 extra_objects="$extra_objects itbl-parse.o"
364 echo ${extra_objects} | grep -s "itbl-lex-wrapper.o"
365 if test $? -ne 0 ; then
366 extra_objects="$extra_objects itbl-lex-wrapper.o"
369 echo ${extra_objects} | grep -s "itbl-ops.o"
370 if test $? -ne 0 ; then
371 extra_objects="$extra_objects itbl-ops.o"
380 if test $this_target = $target ; then
381 AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
386 echo ${extra_objects} | grep -s "rl78-parse.o"
387 if test $? -ne 0 ; then
388 extra_objects="$extra_objects rl78-parse.o"
393 echo ${extra_objects} | grep -s "rx-parse.o"
394 if test $? -ne 0 ; then
395 extra_objects="$extra_objects rx-parse.o"
408 echo ${extra_objects} | grep -s "xtensa-relax.o"
409 if test $? -ne 0 ; then
410 extra_objects="$extra_objects xtensa-relax.o"
418 if test $using_cgen = yes ; then
419 case "x${extra_objects}" in
421 *) extra_objects="$extra_objects cgen.o" ;;
425 # See if we really can support this configuration with the emulation code.
427 if test $this_target = $target ; then
433 vms) extra_objects="$extra_objects te-vms.o" ;;
436 # From target name and format, produce a list of supported emulations.
438 case ${generic_target}-${fmt} in
439 mips-*-irix5*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
440 mips*-*-linux*-* | mips*-*-freebsd* | mips*-*-kfreebsd*-gnu)
442 big) emulation="mipsbelf mipslelf mipself" ;;
443 *) emulation="mipslelf mipsbelf mipself" ;;
445 mips-*-lnews*-ecoff) ;;
446 mips-*-*-ecoff) case "$endian" in
447 big) emulation="mipsbecoff mipslecoff mipsecoff" ;;
448 *) emulation="mipslecoff mipsbecoff mipsecoff" ;;
450 mips-*-*-elf) case "$endian" in
451 big) emulation="mipsbelf mipslelf mipself" ;;
452 *) emulation="mipslelf mipsbelf mipself" ;;
454 mips-*-sysv4*MP*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
455 # i386-pc-pe-coff != i386-pc-coff.
457 # Uncommenting the next line will turn on support for i386 AOUT
458 # for the default linux configuration
459 # i386-*-linux*-elf) emulation="i386elf i386aout" ;;
461 i386-*-aout) emulation="i386aout" ;;
462 i386-*-coff) emulation="i386coff" ;;
463 i386-*-elf) emulation="i386elf" ;;
465 # Always all formats. The first stated emulation becomes the default.
466 cris-*-*aout*) emulation="crisaout criself" ;;
467 cris-*-*) emulation="criself crisaout" ;;
470 emulations="$emulations $emulation"
474 # Turn on all targets if possible
475 if test ${all_targets} = "yes"; then
476 case ${target_cpu_type} in
478 case ${obj_format} in
480 emulations="$emulations i386coff i386elf"
483 emulations="$emulations i386aout i386elf"
486 emulations="$emulations i386aout i386coff"
491 case ${obj_format} in
493 emulations="$emulations i386coff i386elf"
496 emulations="$emulations i386aout i386elf"
499 emulations="$emulations i386aout i386coff"
506 # PE code has way too many macros tweaking behaviour
508 pe*) emulations="" ;;
511 # Assign floating point type. Most processors with FP support
512 # IEEE FP. On those that don't support FP at all, usually IEEE
514 case ${target_cpu} in
515 vax | pdp11 ) atof=vax ;;
519 case "${obj_format}" in
520 "") AC_MSG_ERROR(GAS does not know what format to use for target ${target}) ;;
523 # Unfortunately the cpu in cpu-opc.h file isn't always $(TARGET_CPU).
525 if test $using_cgen = yes ; then
526 case ${target_cpu} in
527 *) cgen_cpu_prefix=${target_cpu} ;;
529 AC_SUBST(cgen_cpu_prefix)
530 AC_DEFINE(USING_CGEN, 1, [Using cgen code?])
534 dnl Make sure the desired support files exist.
537 if test ! -r ${srcdir}/config/tc-${target_cpu_type}.c; then
538 AC_MSG_ERROR(GAS does not support target CPU ${target_cpu_type})
541 if test ! -r ${srcdir}/config/obj-${obj_format}.c; then
542 AC_MSG_ERROR(GAS does not have support for object file format ${obj_format})
545 # Some COFF configurations want these random other flags set.
546 case ${obj_format} in
548 case ${target_cpu_type} in
549 i386) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
550 m68k) AC_DEFINE(M68KCOFF, 1, [Using m68k COFF?]) ;;
551 m88k) AC_DEFINE(M88KCOFF, 1, [Using m88k COFF?]) ;;
552 x86_64) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
557 # Getting this done right is going to be a bitch. Each configuration specified
558 # with --enable-targets=... should be checked for environment, format, cpu
561 # For each configuration, the necessary object file support code must be linked
562 # in. This might be only one, it might be up to four. The necessary emulation
563 # code needs to be provided, too.
565 # And then there's "--enable-targets=all"....
567 # For now, just always do it for MIPS ELF or ECOFF configurations. Sigh.
569 formats="${obj_format}"
573 for em in . $emulations ; do
576 mipsbelf | mipslelf | mipself)
577 fmt=elf file=mipself ;;
578 mipsbecoff | mipslecoff | mipsecoff)
579 fmt=ecoff file=mipsecoff ;;
587 formats="$formats $fmt"
588 emfiles="$emfiles e-$file.o"
589 EMULATIONS="$EMULATIONS &$em,"
593 if test `set . $formats ; shift ; echo $#` -gt 1 ; then
594 for fmt in $formats ; do
596 aout) AC_DEFINE(OBJ_MAYBE_AOUT, 1, [a.out support?]) ;;
597 bout) AC_DEFINE(OBJ_MAYBE_BOUT, 1, [b.out support?]) ;;
598 coff) AC_DEFINE(OBJ_MAYBE_COFF, 1, [COFF support?]) ;;
599 ecoff) AC_DEFINE(OBJ_MAYBE_ECOFF, 1, [ECOFF support?]) ;;
600 elf) AC_DEFINE(OBJ_MAYBE_ELF, 1, [ELF support?]) ;;
601 generic) AC_DEFINE(OBJ_MAYBE_GENERIC, 1, [generic support?]) ;;
602 som) AC_DEFINE(OBJ_MAYBE_SOM, 1, [SOM support?]) ;;
604 extra_objects="$extra_objects obj-$fmt.o"
608 if test `set . $emfiles ; shift ; echo $#` -gt 0 ; then
609 DEFAULT_EMULATION=`set . $emulations ; echo $2`
610 # e-mips* has more than one emulation per file, e-i386* has just one at the
611 # moment. If only one emulation is specified, then don't define
612 # USE_EMULATIONS or include any of the e-files as they will only be bloat.
613 case "${obj_format}${emfiles}" in
615 extra_objects="$extra_objects $emfiles"
616 AC_DEFINE(USE_EMULATIONS, 1, [Use emulation support?]) ;;
619 AC_SUBST(extra_objects)
620 AC_DEFINE_UNQUOTED(EMULATIONS, $EMULATIONS, [Supported emulations.])
621 AC_DEFINE_UNQUOTED(DEFAULT_EMULATION, "$DEFAULT_EMULATION",
622 [Default emulation.])
624 reject_dev_configs=yes
626 case ${reject_dev_configs}-${dev} in
628 AC_MSG_ERROR(GAS does not support the ${generic_target} configuration.)
632 AC_SUBST(target_cpu_type)
635 AC_SUBST(install_tooldir)
637 dnl AC_SUBST(emulation)
639 # do we need the opcodes library?
640 case "${need_opcodes}" in
642 OPCODES_LIB=../opcodes/libopcodes.la
646 AC_SUBST(OPCODES_LIB)
648 AC_DEFINE_UNQUOTED(TARGET_ALIAS, "${target_alias}", [Target alias.])
649 AC_DEFINE_UNQUOTED(TARGET_CANONICAL, "${target}", [Canonical target.])
650 AC_DEFINE_UNQUOTED(TARGET_CPU, "${target_cpu}", [Target CPU.])
651 AC_DEFINE_UNQUOTED(TARGET_VENDOR, "${target_vendor}", [Target vendor.])
652 AC_DEFINE_UNQUOTED(TARGET_OS, "${target_os}", [Target OS.])
657 ALL_LINGUAS="fr tr es rw id ru fi ja"
658 ZW_GNU_GETTEXT_SISTER_DIR
662 AM_CONDITIONAL(GENINSRC_NEVER, false)
665 AC_CHECK_HEADERS(string.h stdlib.h memory.h strings.h unistd.h errno.h sys/types.h limits.h locale.h time.h sys/stat.h)
668 # Put this here so that autoconf's "cross-compiling" message doesn't confuse
669 # people who are not cross-compiling but are compiling cross-assemblers.
670 AC_MSG_CHECKING(whether compiling a cross-assembler)
671 if test "${host}" = "${target}"; then
675 AC_DEFINE(CROSS_COMPILE, 1, [Compiling cross-assembler?])
677 AC_MSG_RESULT($cross_gas)
679 dnl ansidecl.h will deal with const
684 # VMS doesn't have unlink.
685 AC_CHECK_FUNCS(unlink remove, break)
686 AC_CHECK_FUNCS(sbrk setlocale)
690 # do we need the math library?
691 case "${need_libm}" in
698 # Some non-ANSI preprocessors botch requoting inside strings. That's bad
699 # enough, but on some of those systems, the assert macro relies on requoting
703 # On some systems, the system header files may not declare malloc, realloc,
704 # and free. There are places where gas needs these functions to have been
705 # declared -- such as when taking their addresses.
713 #ifdef HAVE_STRINGS_H
725 # Does errno.h declare errno, or do we have to add a separate declaration
727 GAS_CHECK_DECL_NEEDED(errno, f, int f, [
733 AC_MSG_CHECKING(for a known getopt prototype in unistd.h)
734 AC_CACHE_VAL(gas_cv_decl_getopt_unistd_h,
735 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);])],
736 gas_cv_decl_getopt_unistd_h=yes, gas_cv_decl_getopt_unistd_h=no)])
737 AC_MSG_RESULT($gas_cv_decl_getopt_unistd_h)
738 if test $gas_cv_decl_getopt_unistd_h = yes; then
739 AC_DEFINE([HAVE_DECL_GETOPT], 1,
740 [Is the prototype for getopt in <unistd.h> in the expected format?])
743 GAS_CHECK_DECL_NEEDED(environ, f, char **f, $gas_test_headers)
744 GAS_CHECK_DECL_NEEDED(ffs, f, int (*f)(int), $gas_test_headers)
745 GAS_CHECK_DECL_NEEDED(free, f, void (*f)(), $gas_test_headers)
746 GAS_CHECK_DECL_NEEDED(malloc, f, char *(*f)(), $gas_test_headers)
747 GAS_CHECK_DECL_NEEDED(sbrk, f, char *(*f)(), $gas_test_headers)
748 GAS_CHECK_DECL_NEEDED(strstr, f, char *(*f)(), $gas_test_headers)
750 AC_CHECK_DECLS([free, getenv, malloc, mempcpy, realloc, stpcpy, strstr, vsnprintf])
754 # Link in zlib if we can. This allows us to write compressed debug sections.
757 # Support for VMS timestamps via cross compile
759 if test "$ac_cv_header_time_h" = yes; then
760 GAS_HAVE_TIME_TYPE_MEMBER(struct tm, tm_gmtoff)
763 if test "$ac_cv_header_sys_stat_h" = yes; then
764 GAS_HAVE_SYS_STAT_TYPE_MEMBER(struct stat, st_mtim, tv_sec)
765 GAS_HAVE_SYS_STAT_TYPE_MEMBER(struct stat, st_mtim, tv_nsec)
769 dnl Required for html, pdf, install-pdf and install-html targets.
770 AC_SUBST(datarootdir)
775 dnl This must come last.
777 dnl We used to make symlinks to files in the source directory, but now
778 dnl we just use the right name for .c files, and create .h files in
779 dnl the build directory which include the right .h file. Make sure
780 dnl the old symlinks don't exist, so that a reconfigure in an existing
781 dnl directory behaves reasonably.
783 AC_CONFIG_FILES(Makefile doc/Makefile po/Makefile.in:po/Make-in)
784 AC_CONFIG_COMMANDS([default],
785 [rm -f targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c itbl-cpu.h
786 echo '#include "tc-'"${target_cpu_type}"'.h"' > targ-cpu.h
787 echo '#include "obj-'"${obj_format}"'.h"' > obj-format.h
788 echo '#include "te-'"${te_file}"'.h"' > targ-env.h
789 echo '#include "itbl-'"${target_cpu_type}"'.h"' > itbl-cpu.h
790 if test "x$cgen_cpu_prefix" != x ; then
791 echo '#include "opcodes/'"${cgen_cpu_prefix}"'-desc.h"' > cgen-desc.h
793 [target_cpu_type=${target_cpu_type}
794 cgen_cpu_prefix=${cgen_cpu_prefix}
795 obj_format=${obj_format}