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.])
180 if test ${this_target} = $target; then
181 AC_DEFINE(TARGET_SOLARIS_COMMENT, 1,
182 [Define if default target is PowerPC Solaris.])
184 if test x${endian} = xbig; then
185 AC_MSG_ERROR(Solaris must be configured little endian)
190 AC_DEFINE(TARGET_SYMBIAN, 1, [Define if target is Symbian OS.])
194 if test ${this_target} = $target ; then
196 if test x${endian} = xbig; then
198 elif test x${endian} = xlittle; then
201 if test x${endian_def} != x; then
202 AC_DEFINE_UNQUOTED(TARGET_BYTES_BIG_ENDIAN, $endian_def,
203 [Define as 1 if big endian.])
207 # Other random stuff.
211 # Set mips_cpu to the name of the default CPU.
212 case ${target_cpu} in
213 mips | mipsbe | mipseb | mipsle | mipsel | mips64 | mips64el)
216 mipsisa32 | mipsisa32el)
219 mipsisa32r2 | mipsisa32r2el)
222 mipsisa64 | mipsisa64el)
225 mipsisa64r2 | mipsisa64r2el)
228 mipstx39 | mipstx39el)
231 mips64vr | mips64vrel)
234 mipsisa32r2* | mipsisa64r2*)
236 mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..r2//' -e 's/el$//'`
239 mips64* | mipsisa64* | mipsisa32*)
241 mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..//' -e 's/el$//'`
246 mips_cpu=`echo $target_cpu | sed -e 's/^mips//' -e 's/el$//'`
250 AC_MSG_ERROR($target_cpu isn't a supported MIPS CPU name)
253 # See whether it's appropriate to set E_MIPS_ABI_O32 for o32
254 # binaries. It's a GNU extension that some OSes don't understand.
255 # The value only matters on ELF targets.
264 # Decide whether to generate 32-bit or 64-bit code by default.
265 # Used to resolve -march=from-abi when an embedded ABI is selected.
267 mips64*-*-* | mipsisa64*-*-*)
274 # Decide which ABI to target by default.
276 mips64*-linux* | mips-sgi-irix6* | mips64*-freebsd* | mips64*-kfreebsd*-gnu)
277 mips_default_abi=N32_ABI
279 mips*-linux* | mips*-freebsd* | mips*-kfreebsd*-gnu)
280 mips_default_abi=O32_ABI
283 mips_default_abi=N64_ABI
286 mips_default_abi=NO_ABI
289 AC_DEFINE_UNQUOTED(MIPS_CPU_STRING_DEFAULT, "$mips_cpu",
290 [Default CPU for MIPS targets. ])
291 AC_DEFINE_UNQUOTED(USE_E_MIPS_ABI_O32, $use_e_mips_abi_o32,
292 [Allow use of E_MIPS_ABI_O32 on MIPS targets. ])
293 AC_DEFINE_UNQUOTED(MIPS_DEFAULT_64BIT, $mips_default_64bit,
294 [Generate 64-bit code by default on MIPS targets. ])
295 AC_DEFINE_UNQUOTED(MIPS_DEFAULT_ABI, $mips_default_abi,
296 [Choose a default ABI for MIPS targets. ])
300 # Do we need the opcodes library?
308 case "${enable_shared}" in
309 yes) shared_opcodes=true ;;
310 *opcodes*) shared_opcodes=true ;;
311 *) shared_opcodes=false ;;
316 # Any other special object files needed ?
320 echo ${extra_objects} | grep -s "bfin-parse.o"
321 if test $? -ne 0 ; then
322 extra_objects="$extra_objects bfin-parse.o"
325 echo ${extra_objects} | grep -s "bfin-lex-wrapper.o"
326 if test $? -ne 0 ; then
327 extra_objects="$extra_objects bfin-lex-wrapper.o"
331 epiphany | fr30 | ip2k | iq2000 | lm32 | m32r | openrisc)
342 case ${extra_objects} in
344 *) extra_objects="$extra_objects m68k-parse.o" ;;
353 echo ${extra_objects} | grep -s "itbl-parse.o"
354 if test $? -ne 0 ; then
355 extra_objects="$extra_objects itbl-parse.o"
358 echo ${extra_objects} | grep -s "itbl-lex-wrapper.o"
359 if test $? -ne 0 ; then
360 extra_objects="$extra_objects itbl-lex-wrapper.o"
363 echo ${extra_objects} | grep -s "itbl-ops.o"
364 if test $? -ne 0 ; then
365 extra_objects="$extra_objects itbl-ops.o"
374 if test $this_target = $target ; then
375 AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
380 echo ${extra_objects} | grep -s "rl78-parse.o"
381 if test $? -ne 0 ; then
382 extra_objects="$extra_objects rl78-parse.o"
387 echo ${extra_objects} | grep -s "rx-parse.o"
388 if test $? -ne 0 ; then
389 extra_objects="$extra_objects rx-parse.o"
402 echo ${extra_objects} | grep -s "xtensa-relax.o"
403 if test $? -ne 0 ; then
404 extra_objects="$extra_objects xtensa-relax.o"
412 if test $using_cgen = yes ; then
413 case "x${extra_objects}" in
415 *) extra_objects="$extra_objects cgen.o" ;;
419 # See if we really can support this configuration with the emulation code.
421 if test $this_target = $target ; then
427 vms) extra_objects="$extra_objects te-vms.o" ;;
430 # From target name and format, produce a list of supported emulations.
432 case ${generic_target}-${fmt} in
433 mips-*-irix5*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
434 mips*-*-linux*-* | mips*-*-freebsd* | mips*-*-kfreebsd*-gnu)
436 big) emulation="mipsbelf mipslelf mipself" ;;
437 *) emulation="mipslelf mipsbelf mipself" ;;
439 mips-*-lnews*-ecoff) ;;
440 mips-*-*-ecoff) case "$endian" in
441 big) emulation="mipsbecoff mipslecoff mipsecoff" ;;
442 *) emulation="mipslecoff mipsbecoff mipsecoff" ;;
444 mips-*-*-elf) case "$endian" in
445 big) emulation="mipsbelf mipslelf mipself" ;;
446 *) emulation="mipslelf mipsbelf mipself" ;;
448 mips-*-sysv4*MP*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
449 # i386-pc-pe-coff != i386-pc-coff.
451 # Uncommenting the next line will turn on support for i386 AOUT
452 # for the default linux configuration
453 # i386-*-linux*-elf) emulation="i386elf i386aout" ;;
455 i386-*-aout) emulation="i386aout" ;;
456 i386-*-coff) emulation="i386coff" ;;
457 i386-*-elf) emulation="i386elf" ;;
459 # Always all formats. The first stated emulation becomes the default.
460 cris-*-*aout*) emulation="crisaout criself" ;;
461 cris-*-*) emulation="criself crisaout" ;;
464 emulations="$emulations $emulation"
468 # Turn on all targets if possible
469 if test ${all_targets} = "yes"; then
470 case ${target_cpu_type} in
472 case ${obj_format} in
474 emulations="$emulations i386coff i386elf"
477 emulations="$emulations i386aout i386elf"
480 emulations="$emulations i386aout i386coff"
485 case ${obj_format} in
487 emulations="$emulations i386coff i386elf"
490 emulations="$emulations i386aout i386elf"
493 emulations="$emulations i386aout i386coff"
500 # PE code has way too many macros tweaking behaviour
502 pe*) emulations="" ;;
505 # Assign floating point type. Most processors with FP support
506 # IEEE FP. On those that don't support FP at all, usually IEEE
508 case ${target_cpu} in
509 vax | pdp11 ) atof=vax ;;
513 case "${obj_format}" in
514 "") AC_MSG_ERROR(GAS does not know what format to use for target ${target}) ;;
517 # Unfortunately the cpu in cpu-opc.h file isn't always $(TARGET_CPU).
519 if test $using_cgen = yes ; then
520 case ${target_cpu} in
521 *) cgen_cpu_prefix=${target_cpu} ;;
523 AC_SUBST(cgen_cpu_prefix)
524 AC_DEFINE(USING_CGEN, 1, [Using cgen code?])
528 dnl Make sure the desired support files exist.
531 if test ! -r ${srcdir}/config/tc-${target_cpu_type}.c; then
532 AC_MSG_ERROR(GAS does not support target CPU ${target_cpu_type})
535 if test ! -r ${srcdir}/config/obj-${obj_format}.c; then
536 AC_MSG_ERROR(GAS does not have support for object file format ${obj_format})
539 # Some COFF configurations want these random other flags set.
540 case ${obj_format} in
542 case ${target_cpu_type} in
543 i386) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
544 m68k) AC_DEFINE(M68KCOFF, 1, [Using m68k COFF?]) ;;
545 m88k) AC_DEFINE(M88KCOFF, 1, [Using m88k COFF?]) ;;
546 x86_64) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
551 # Getting this done right is going to be a bitch. Each configuration specified
552 # with --enable-targets=... should be checked for environment, format, cpu
555 # For each configuration, the necessary object file support code must be linked
556 # in. This might be only one, it might be up to four. The necessary emulation
557 # code needs to be provided, too.
559 # And then there's "--enable-targets=all"....
561 # For now, just always do it for MIPS ELF or ECOFF configurations. Sigh.
563 formats="${obj_format}"
567 for em in . $emulations ; do
570 mipsbelf | mipslelf | mipself)
571 fmt=elf file=mipself ;;
572 mipsbecoff | mipslecoff | mipsecoff)
573 fmt=ecoff file=mipsecoff ;;
581 formats="$formats $fmt"
582 emfiles="$emfiles e-$file.o"
583 EMULATIONS="$EMULATIONS &$em,"
587 if test `set . $formats ; shift ; echo $#` -gt 1 ; then
588 for fmt in $formats ; do
590 aout) AC_DEFINE(OBJ_MAYBE_AOUT, 1, [a.out support?]) ;;
591 bout) AC_DEFINE(OBJ_MAYBE_BOUT, 1, [b.out support?]) ;;
592 coff) AC_DEFINE(OBJ_MAYBE_COFF, 1, [COFF support?]) ;;
593 ecoff) AC_DEFINE(OBJ_MAYBE_ECOFF, 1, [ECOFF support?]) ;;
594 elf) AC_DEFINE(OBJ_MAYBE_ELF, 1, [ELF support?]) ;;
595 generic) AC_DEFINE(OBJ_MAYBE_GENERIC, 1, [generic support?]) ;;
596 som) AC_DEFINE(OBJ_MAYBE_SOM, 1, [SOM support?]) ;;
598 extra_objects="$extra_objects obj-$fmt.o"
602 if test `set . $emfiles ; shift ; echo $#` -gt 0 ; then
603 DEFAULT_EMULATION=`set . $emulations ; echo $2`
604 # e-mips* has more than one emulation per file, e-i386* has just one at the
605 # moment. If only one emulation is specified, then don't define
606 # USE_EMULATIONS or include any of the e-files as they will only be bloat.
607 case "${obj_format}${emfiles}" in
609 extra_objects="$extra_objects $emfiles"
610 AC_DEFINE(USE_EMULATIONS, 1, [Use emulation support?]) ;;
613 AC_SUBST(extra_objects)
614 AC_DEFINE_UNQUOTED(EMULATIONS, $EMULATIONS, [Supported emulations.])
615 AC_DEFINE_UNQUOTED(DEFAULT_EMULATION, "$DEFAULT_EMULATION",
616 [Default emulation.])
618 reject_dev_configs=yes
620 case ${reject_dev_configs}-${dev} in
622 AC_MSG_ERROR(GAS does not support the ${generic_target} configuration.)
626 AC_SUBST(target_cpu_type)
629 AC_SUBST(install_tooldir)
631 dnl AC_SUBST(emulation)
633 # do we need the opcodes library?
634 case "${need_opcodes}" in
636 OPCODES_LIB=../opcodes/libopcodes.la
640 AC_SUBST(OPCODES_LIB)
642 AC_DEFINE_UNQUOTED(TARGET_ALIAS, "${target_alias}", [Target alias.])
643 AC_DEFINE_UNQUOTED(TARGET_CANONICAL, "${target}", [Canonical target.])
644 AC_DEFINE_UNQUOTED(TARGET_CPU, "${target_cpu}", [Target CPU.])
645 AC_DEFINE_UNQUOTED(TARGET_VENDOR, "${target_vendor}", [Target vendor.])
646 AC_DEFINE_UNQUOTED(TARGET_OS, "${target_os}", [Target OS.])
651 ALL_LINGUAS="fr tr es rw id ru fi ja"
652 ZW_GNU_GETTEXT_SISTER_DIR
656 AM_CONDITIONAL(GENINSRC_NEVER, false)
659 AC_CHECK_HEADERS(string.h stdlib.h memory.h strings.h unistd.h errno.h sys/types.h limits.h locale.h time.h sys/stat.h)
662 # Put this here so that autoconf's "cross-compiling" message doesn't confuse
663 # people who are not cross-compiling but are compiling cross-assemblers.
664 AC_MSG_CHECKING(whether compiling a cross-assembler)
665 if test "${host}" = "${target}"; then
669 AC_DEFINE(CROSS_COMPILE, 1, [Compiling cross-assembler?])
671 AC_MSG_RESULT($cross_gas)
673 dnl ansidecl.h will deal with const
678 # VMS doesn't have unlink.
679 AC_CHECK_FUNCS(unlink remove, break)
680 AC_CHECK_FUNCS(sbrk setlocale)
684 # do we need the math library?
685 case "${need_libm}" in
692 # Some non-ANSI preprocessors botch requoting inside strings. That's bad
693 # enough, but on some of those systems, the assert macro relies on requoting
697 # On some systems, the system header files may not declare malloc, realloc,
698 # and free. There are places where gas needs these functions to have been
699 # declared -- such as when taking their addresses.
707 #ifdef HAVE_STRINGS_H
719 # Does errno.h declare errno, or do we have to add a separate declaration
721 GAS_CHECK_DECL_NEEDED(errno, f, int f, [
727 AC_MSG_CHECKING(for a known getopt prototype in unistd.h)
728 AC_CACHE_VAL(gas_cv_decl_getopt_unistd_h,
729 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);])],
730 gas_cv_decl_getopt_unistd_h=yes, gas_cv_decl_getopt_unistd_h=no)])
731 AC_MSG_RESULT($gas_cv_decl_getopt_unistd_h)
732 if test $gas_cv_decl_getopt_unistd_h = yes; then
733 AC_DEFINE([HAVE_DECL_GETOPT], 1,
734 [Is the prototype for getopt in <unistd.h> in the expected format?])
737 GAS_CHECK_DECL_NEEDED(environ, f, char **f, $gas_test_headers)
738 GAS_CHECK_DECL_NEEDED(ffs, f, int (*f)(int), $gas_test_headers)
739 GAS_CHECK_DECL_NEEDED(free, f, void (*f)(), $gas_test_headers)
740 GAS_CHECK_DECL_NEEDED(malloc, f, char *(*f)(), $gas_test_headers)
741 GAS_CHECK_DECL_NEEDED(sbrk, f, char *(*f)(), $gas_test_headers)
742 GAS_CHECK_DECL_NEEDED(strstr, f, char *(*f)(), $gas_test_headers)
744 AC_CHECK_DECLS([free, getenv, malloc, mempcpy, realloc, stpcpy, strstr, vsnprintf])
748 # Link in zlib if we can. This allows us to write compressed debug sections.
751 # Support for VMS timestamps via cross compile
753 if test "$ac_cv_header_time_h" = yes; then
754 GAS_HAVE_TIME_TYPE_MEMBER(struct tm, tm_gmtoff)
757 if test "$ac_cv_header_sys_stat_h" = yes; then
758 GAS_HAVE_SYS_STAT_TYPE_MEMBER(struct stat, st_mtim, tv_sec)
759 GAS_HAVE_SYS_STAT_TYPE_MEMBER(struct stat, st_mtim, tv_nsec)
763 dnl Required for html, pdf, install-pdf and install-html targets.
764 AC_SUBST(datarootdir)
769 dnl This must come last.
771 dnl We used to make symlinks to files in the source directory, but now
772 dnl we just use the right name for .c files, and create .h files in
773 dnl the build directory which include the right .h file. Make sure
774 dnl the old symlinks don't exist, so that a reconfigure in an existing
775 dnl directory behaves reasonably.
777 AC_CONFIG_FILES(Makefile doc/Makefile po/Makefile.in:po/Make-in)
778 AC_CONFIG_COMMANDS([default],
779 [rm -f targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c itbl-cpu.h
780 echo '#include "tc-'"${target_cpu_type}"'.h"' > targ-cpu.h
781 echo '#include "obj-'"${obj_format}"'.h"' > obj-format.h
782 echo '#include "te-'"${te_file}"'.h"' > targ-env.h
783 echo '#include "itbl-'"${target_cpu_type}"'.h"' > itbl-cpu.h
784 if test "x$cgen_cpu_prefix" != x ; then
785 echo '#include "opcodes/'"${cgen_cpu_prefix}"'-desc.h"' > cgen-desc.h
787 [target_cpu_type=${target_cpu_type}
788 cgen_cpu_prefix=${cgen_cpu_prefix}
789 obj_format=${obj_format}