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.
7 dnl v2.5 needed for --bindir et al
11 dnl Autoconf 2.57 will find the aux dir without this. However, unless
12 dnl we specify this explicitly, automake-1.7 will assume that ylwrap is in
13 dnl gas/ instead of gas/../.
19 BFD_VERSION=`sed -n -e 's/^.._INIT_AUTOMAKE.*,[ ]*\([^ ]*\)[ ]*).*/\1/p' < ${srcdir}/../bfd/configure.in`
21 AM_INIT_AUTOMAKE(gas, ${BFD_VERSION})
26 AC_ARG_ENABLE(bfd-assembler,
27 [ --enable-bfd-assembler use BFD back end for writing object files],
28 [case "${enableval}" in
29 yes) need_bfd=yes user_bfd_gas=yes ;;
30 no) user_bfd_gas=no ;;
31 *) AC_MSG_ERROR(bad value ${enableval} given for bfd-assembler option) ;;
33 AC_ARG_ENABLE(targets,
34 [ targets alternative target configurations besides the primary],
35 [case "${enableval}" in
36 yes | "") AC_ERROR(enable-targets option must specify target names or 'all')
38 no) enable_targets= ;;
39 *) enable_targets=$enableval ;;
41 AC_ARG_ENABLE(commonbfdlib,
42 [ --enable-commonbfdlib build shared BFD/opcodes/libiberty library],
43 [case "${enableval}" in
44 yes) commonbfdlib=true ;;
45 no) commonbfdlib=false ;;
46 *) AC_MSG_ERROR([bad value ${enableval} for BFD commonbfdlib option]) ;;
51 build_warnings="-W -Wall -Wstrict-prototypes -Wmissing-prototypes"
52 AC_ARG_ENABLE(build-warnings,
53 [ --enable-build-warnings Enable build-time compiler warnings if gcc is used],
54 [case "${enableval}" in
56 no) build_warnings="-w";;
57 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
58 build_warnings="${build_warnings} ${t}";;
59 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
60 build_warnings="${t} ${build_warnings}";;
61 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
63 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
64 echo "Setting warning flags = $build_warnings" 6>&1
67 if test "x${build_warnings}" != x -a "x$GCC" = xyes ; then
68 WARN_CFLAGS="${build_warnings}"
72 # Generate a header file
73 AM_CONFIG_HEADER(config.h:config.in)
75 # If we are on a DOS filesystem, we must use gdb.ini rather than
78 *-*-msdos* | *-*-go32* | *-*-mingw32* | *-*-windows*)
80 AC_CONFIG_FILES(gdb.ini:gdbinit.in)
84 AC_CONFIG_FILES(.gdbinit:gdbinit.in)
89 #We need this for the host. BOUT header is in host order.
94 # Makefile target for installing gas in $(tooldir)/bin.
95 install_tooldir=install-exec-tooldir
99 if test -n "$enable_targets" ; then
100 for t in `echo $enable_targets | sed 's/,/ /g'`; do
101 if test $t = "all"; then
105 result=`$ac_config_sub $t 2>/dev/null`
106 if test -n "$result" ; then
107 canon_targets="$canon_targets $result"
109 # # Permit "all", etc. We don't support it yet though.
110 # canon_targets="$canon_targets $t"
113 GAS_UNIQ(canon_targets)
118 for this_target in $target $canon_targets ; do
121 . ${srcdir}/configure.tgt
123 case ${target_cpu} in
125 AC_DEFINE_UNQUOTED(DEFAULT_CRIS_ARCH, $arch,
126 [Default CRIS architecture.])
130 if test ${this_target} = $target ; then
131 target_cpu_type=${cpu_type}
132 elif test ${target_cpu_type} != ${cpu_type} ; then
136 generic_target=${cpu_type}-${target_vendor}-${target_os}
137 case ${generic_target} in
139 if test ${this_target} = $target; then
140 AC_DEFINE(SCO_ELF, 1, [Define if defaulting to ELF on SCO 5.])
147 AC_DEFINE(STRICTCOFF, 1, [Using strict COFF?])
151 AC_MSG_WARN(GAS support for ${generic_target} is preliminary and a work in progress)
157 AC_MSG_ERROR(Unknown vendor for mips-bsd configuration.)
161 AC_DEFINE(AIX_WEAK_SUPPORT, 1,
162 [Define if using AIX 5.2 value for C_WEAKEXT.])
167 *) AC_MSG_ERROR(GNU/Linux must be configured big endian) ;;
171 if test ${this_target} = $target; then
172 AC_DEFINE(TARGET_SOLARIS_COMMENT, 1,
173 [Define if default target is PowerPC Solaris.])
175 if test x${endian} = xbig; then
176 AC_MSG_ERROR(Solaris must be configured little endian)
181 AC_DEFINE(TARGET_SYMBIAN, 1, [Define if target is Symbian OS.])
185 if test ${this_target} = $target ; then
187 if test x${endian} = xbig; then
189 elif test x${endian} = xlittle; then
192 if test x${endian_def} != x; then
193 AC_DEFINE_UNQUOTED(TARGET_BYTES_BIG_ENDIAN, $endian_def,
194 [Define as 1 if big endian.])
198 # Other random stuff.
202 # Set mips_cpu to the name of the default CPU.
203 case ${target_cpu} in
204 mips | mipsbe | mipseb | mipsle | mipsel | mips64 | mips64el)
207 mipsisa32 | mipsisa32el)
210 mipsisa32r2 | mipsisa32r2el)
213 mipsisa64 | mipsisa64el)
216 mipsisa64r2 | mipsisa64r2el)
219 mipstx39 | mipstx39el)
222 mips64vr | mips64vrel)
225 mipsisa32r2* | mipsisa64r2*)
227 mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..r2//' -e 's/el$//'`
230 mips64* | mipsisa64* | mipsisa32*)
232 mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..//' -e 's/el$//'`
236 AC_ERROR($target_cpu isn't a supported MIPS CPU name)
239 # See whether it's appropriate to set E_MIPS_ABI_O32 for o32
240 # binaries. It's a GNU extension that some OSes don't understand.
241 # The value only matters on ELF targets.
250 # Decide whether to generate 32-bit or 64-bit code by default.
251 # Used to resolve -march=from-abi when an embedded ABI is selected.
253 mips64*-*-* | mipsisa64*-*-*)
260 # Decide which ABI to target by default.
262 mips64*-linux* | mips-sgi-irix6*)
263 mips_default_abi=N32_ABI
266 mips_default_abi=O32_ABI
269 mips_default_abi=NO_ABI
272 AC_DEFINE_UNQUOTED(MIPS_CPU_STRING_DEFAULT, "$mips_cpu",
273 [Default CPU for MIPS targets. ])
274 AC_DEFINE_UNQUOTED(USE_E_MIPS_ABI_O32, $use_e_mips_abi_o32,
275 [Allow use of E_MIPS_ABI_O32 on MIPS targets. ])
276 AC_DEFINE_UNQUOTED(MIPS_DEFAULT_64BIT, $mips_default_64bit,
277 [Generate 64-bit code by default on MIPS targets. ])
278 AC_DEFINE_UNQUOTED(MIPS_DEFAULT_ABI, $mips_default_abi,
279 [Choose a default ABI for MIPS targets. ])
283 # Do we need the opcodes library?
291 case "${enable_shared}" in
292 yes) shared_opcodes=true ;;
293 *opcodes*) shared_opcodes=true ;;
294 *) shared_opcodes=false ;;
296 if test "${shared_opcodes}" = "true"; then
297 # A shared libopcodes must be linked against libbfd.
303 # Any other special object files needed ?
305 fr30 | ip2k | iq2000 | m32r | openrisc)
313 case ${extra_objects} in
315 *) extra_objects="$extra_objects m68k-parse.o" ;;
320 echo ${extra_objects} | grep -s "itbl-parse.o"
321 if test $? -ne 0 ; then
322 extra_objects="$extra_objects itbl-parse.o"
325 echo ${extra_objects} | grep -s "itbl-lex.o"
326 if test $? -ne 0 ; then
327 extra_objects="$extra_objects itbl-lex.o"
330 echo ${extra_objects} | grep -s "itbl-ops.o"
331 if test $? -ne 0 ; then
332 extra_objects="$extra_objects itbl-ops.o"
337 if test $this_target = $target ; then
338 AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
347 echo ${extra_objects} | grep -s "xtensa-relax.o"
348 if test $? -ne 0 ; then
349 extra_objects="$extra_objects xtensa-relax.o"
357 if test $using_cgen = yes ; then
358 case "x${extra_objects}" in
360 *) extra_objects="$extra_objects cgen.o" ;;
364 # See if we really can support this configuration with the emulation code.
366 if test $this_target = $target ; then
367 primary_bfd_gas=$bfd_gas
371 if test $bfd_gas = no ; then
372 # Can't support other configurations this way.
375 elif test $bfd_gas = no ; then
376 # Can't support this configuration.
380 # From target name and format, produce a list of supported emulations.
382 case ${generic_target}-${fmt} in
383 mips-*-irix5*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
384 mips*-*-linux*-*) case "$endian" in
385 big) emulation="mipsbelf mipslelf mipself" ;;
386 *) emulation="mipslelf mipsbelf mipself" ;;
388 mips-*-lnews*-ecoff) ;;
389 mips-*-*-ecoff) case "$endian" in
390 big) emulation="mipsbecoff mipslecoff mipsecoff" ;;
391 *) emulation="mipslecoff mipsbecoff mipsecoff" ;;
393 mips-*-*-elf) case "$endian" in
394 big) emulation="mipsbelf mipslelf mipself" ;;
395 *) emulation="mipslelf mipsbelf mipself" ;;
397 mips-*-sysv4*MP*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
398 # i386-pc-pe-coff != i386-pc-coff.
400 # Uncommenting the next line will turn on support for i386 AOUT
401 # for the default linux configuration
402 # i386-*-linux*-elf) emulation="i386elf i386aout" ;;
404 i386-*-aout) emulation="i386aout" ;;
405 i386-*-coff) emulation="i386coff" ;;
406 i386-*-elf) emulation="i386elf" ;;
408 # Always all formats. The first stated emulation becomes the default.
409 cris-*-*aout*) emulation="crisaout criself" ;;
410 cris-*-*) emulation="criself crisaout" ;;
413 emulations="$emulations $emulation"
417 # Turn on all targets if possible
418 if test ${all_targets} = "yes"; then
419 case ${target_cpu_type} in
421 case ${obj_format} in
423 emulations="$emulations i386coff i386elf"
426 emulations="$emulations i386aout i386elf"
429 emulations="$emulations i386aout i386coff"
436 # Assign floating point type. Most processors with FP support
437 # IEEE FP. On those that don't support FP at all, usually IEEE
439 case ${target_cpu} in
440 vax | tahoe ) atof=${target_cpu} ;;
445 case "${obj_format}" in
446 "") AC_MSG_ERROR(GAS does not know what format to use for target ${target}) ;;
449 # Unfortunately the cpu in cpu-opc.h file isn't always $(TARGET_CPU).
451 if test $using_cgen = yes ; then
452 case ${target_cpu} in
453 *) cgen_cpu_prefix=${target_cpu} ;;
455 AC_SUBST(cgen_cpu_prefix)
456 AC_DEFINE(USING_CGEN, 1, [Using cgen code?])
460 dnl Make sure the desired support files exist.
463 if test ! -r ${srcdir}/config/tc-${target_cpu_type}.c; then
464 AC_MSG_ERROR(GAS does not support target CPU ${target_cpu_type})
467 if test ! -r ${srcdir}/config/obj-${obj_format}.c; then
468 AC_MSG_ERROR(GAS does not have support for object file format ${obj_format})
471 case ${user_bfd_gas}-${primary_bfd_gas} in
473 # We didn't override user's choice.
476 AC_MSG_WARN(Use of BFD is required for ${target}; overriding config options.)
488 # User specified nothing.
492 # Some COFF configurations want these random other flags set.
493 case ${obj_format} in
495 case ${target_cpu_type} in
496 i386) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
497 m68k) AC_DEFINE(M68KCOFF, 1, [Using m68k COFF?]) ;;
498 m88k) AC_DEFINE(M88KCOFF, 1, [Using m88k COFF?]) ;;
503 # Getting this done right is going to be a bitch. Each configuration specified
504 # with --enable-targets=... should be checked for environment, format, cpu, and
507 # For each configuration, the necessary object file support code must be linked
508 # in. This might be only one, it might be up to four. The necessary emulation
509 # code needs to be provided, too.
511 # And then there's "--enable-targets=all"....
513 # For now, just always do it for MIPS ELF or ECOFF configurations. Sigh.
515 formats="${obj_format}"
519 for em in . $emulations ; do
522 mipsbelf | mipslelf | mipself)
523 fmt=elf file=mipself ;;
524 mipsbecoff | mipslecoff | mipsecoff)
525 fmt=ecoff file=mipsecoff ;;
533 formats="$formats $fmt"
534 emfiles="$emfiles e-$file.o"
535 EMULATIONS="$EMULATIONS &$em,"
539 if test `set . $formats ; shift ; echo $#` -gt 1 ; then
540 for fmt in $formats ; do
542 aout) AC_DEFINE(OBJ_MAYBE_AOUT, 1, [a.out support?]) ;;
543 bout) AC_DEFINE(OBJ_MAYBE_BOUT, 1, [b.out support?]) ;;
544 coff) AC_DEFINE(OBJ_MAYBE_COFF, 1, [COFF support?]) ;;
545 ecoff) AC_DEFINE(OBJ_MAYBE_ECOFF, 1, [ECOFF support?]) ;;
546 elf) AC_DEFINE(OBJ_MAYBE_ELF, 1, [ELF support?]) ;;
547 generic) AC_DEFINE(OBJ_MAYBE_GENERIC, 1, [generic support?]) ;;
548 hp300) AC_DEFINE(OBJ_MAYBE_HP300, 1, [HP300 support?]) ;;
549 ieee) AC_DEFINE(OBJ_MAYBE_IEEE, 1, [IEEE support?]) ;;
550 som) AC_DEFINE(OBJ_MAYBE_SOM, 1, [SOM support?]) ;;
551 vms) AC_DEFINE(OBJ_MAYBE_VMS, 1, [VMS support?]) ;;
553 extra_objects="$extra_objects obj-$fmt.o"
557 if test `set . $emfiles ; shift ; echo $#` -gt 0 ; then
558 DEFAULT_EMULATION=`set . $emulations ; echo $2`
559 # e-mips* has more than one emulation per file, e-i386* has just one at the
560 # moment. If only one emulation is specified, then don't define
561 # USE_EMULATIONS or include any of the e-files as they will only be bloat.
562 case "${obj_format}${emfiles}" in
564 extra_objects="$extra_objects $emfiles"
565 AC_DEFINE(USE_EMULATIONS, 1, [Use emulation support?]) ;;
568 AC_SUBST(extra_objects)
569 AC_DEFINE_UNQUOTED(EMULATIONS, $EMULATIONS, [Supported emulations.])
570 AC_DEFINE_UNQUOTED(DEFAULT_EMULATION, "$DEFAULT_EMULATION",
571 [Default emulation.])
573 case ${primary_bfd_gas}-${target_cpu_type}-${obj_format} in
574 yes-*-coff) need_bfd=yes ;;
575 no-*-coff) need_bfd=yes
576 AC_DEFINE(MANY_SEGMENTS, 1, [old COFF support?]) ;;
579 reject_dev_configs=yes
581 case ${reject_dev_configs}-${dev} in
583 AC_MSG_ERROR(GAS does not support the ${generic_target} configuration.)
587 AC_SUBST(target_cpu_type)
590 AC_SUBST(install_tooldir)
592 dnl AC_SUBST(emulation)
594 case "${primary_bfd_gas}" in
595 yes) AC_DEFINE(BFD_ASSEMBLER, 1, [Use BFD interface?])
599 # do we need the opcodes library?
600 case "${need_opcodes}" in
602 OPCODES_LIB=../opcodes/libopcodes.la
606 case "${need_bfd}" in
608 BFDLIB=../bfd/libbfd.la
609 BFDVER_H=../bfd/bfdver.h
610 ALL_OBJ_DEPS="$ALL_OBJ_DEPS"' ../bfd/bfd.h $(INCDIR)/symcat.h'
615 AC_SUBST(OPCODES_LIB)
618 AC_SUBST(ALL_OBJ_DEPS)
620 AC_DEFINE_UNQUOTED(TARGET_ALIAS, "${target_alias}", [Target alias.])
621 AC_DEFINE_UNQUOTED(TARGET_CANONICAL, "${target}", [Canonical target.])
622 AC_DEFINE_UNQUOTED(TARGET_CPU, "${target_cpu}", [Target CPU.])
623 AC_DEFINE_UNQUOTED(TARGET_VENDOR, "${target_vendor}", [Target vendor.])
624 AC_DEFINE_UNQUOTED(TARGET_OS, "${target_os}", [Target OS.])
631 ALL_LINGUAS="fr tr es"
637 AC_CHECK_HEADERS(string.h stdlib.h memory.h strings.h unistd.h stdarg.h varargs.h errno.h sys/types.h)
639 # Put this here so that autoconf's "cross-compiling" message doesn't confuse
640 # people who are not cross-compiling but are compiling cross-assemblers.
641 AC_MSG_CHECKING(whether compiling a cross-assembler)
642 if test "${host}" = "${target}"; then
646 AC_DEFINE(CROSS_COMPILE, 1, [Compiling cross-assembler?])
648 AC_MSG_RESULT($cross_gas)
650 dnl ansidecl.h will deal with const
655 # VMS doesn't have unlink.
656 AC_CHECK_FUNCS(unlink remove, break)
658 # Some systems don't have sbrk().
661 # do we need the math library?
662 case "${need_libm}" in
669 # Some non-ANSI preprocessors botch requoting inside strings. That's bad
670 # enough, but on some of those systems, the assert macro relies on requoting
674 # On some systems, the system header files may not declare malloc, realloc,
675 # and free. There are places where gas needs these functions to have been
676 # declared -- such as when taking their addresses.
684 #ifdef HAVE_STRINGS_H
695 GAS_CHECK_DECL_NEEDED(strstr, f, char *(*f)(), $gas_test_headers)
696 GAS_CHECK_DECL_NEEDED(malloc, f, char *(*f)(), $gas_test_headers)
697 GAS_CHECK_DECL_NEEDED(free, f, void (*f)(), $gas_test_headers)
698 GAS_CHECK_DECL_NEEDED(sbrk, f, char *(*f)(), $gas_test_headers)
699 GAS_CHECK_DECL_NEEDED(environ, f, char **f, $gas_test_headers)
701 # Does errno.h declare errno, or do we have to add a separate declaration
703 GAS_CHECK_DECL_NEEDED(errno, f, int f, [
709 dnl This must come last.
711 dnl We used to make symlinks to files in the source directory, but now
712 dnl we just use the right name for .c files, and create .h files in
713 dnl the build directory which include the right .h file. Make sure
714 dnl the old symlinks don't exist, so that a reconfigure in an existing
715 dnl directory behaves reasonably.
717 AC_CONFIG_FILES(Makefile doc/Makefile po/Makefile.in:po/Make-in)
718 AC_CONFIG_COMMANDS([default],
719 [rm -f targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c itbl-cpu.h
720 echo '#include "tc-'"${target_cpu_type}"'.h"' > targ-cpu.h
721 echo '#include "obj-'"${obj_format}"'.h"' > obj-format.h
722 echo '#include "te-'"${te_file}"'.h"' > targ-env.h
723 echo '#include "itbl-'"${target_cpu_type}"'.h"' > itbl-cpu.h
724 if test "x$cgen_cpu_prefix" != x ; then
725 echo '#include "opcodes/'"${cgen_cpu_prefix}"'-desc.h"' > cgen-desc.h
728 sed -e '/POTFILES =/r po/POTFILES' po/Makefile.in > po/Makefile],
729 [target_cpu_type=${target_cpu_type}
730 cgen_cpu_prefix=${cgen_cpu_prefix}
731 obj_format=${obj_format}