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 ${enableval} for BFD commonbfdlib option]) ;;
51 build_warnings="-W -Wall -Wstrict-prototypes -Wmissing-prototypes"
54 [ --enable-werror treat compile warnings as errors],
55 [case "${enableval}" in
56 yes | y) ERROR_ON_WARNING="yes" ;;
57 no | n) ERROR_ON_WARNING="no" ;;
58 *) AC_MSG_ERROR(bad value ${enableval} for --enable-werror) ;;
61 # Enable -Werror by default, suppressing it only for --disable-werror
62 # or --disable-build-warnings.
63 if test "${ERROR_ON_WARNING}" != no
65 build_warnings="$build_warnings -Werror"
68 AC_ARG_ENABLE(build-warnings,
69 [ --enable-build-warnings Enable build-time compiler warnings if gcc is used],
70 [case "${enableval}" in
72 no) build_warnings="-w";;
73 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
74 build_warnings="${build_warnings} ${t}";;
75 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
76 build_warnings="${t} ${build_warnings}";;
77 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
79 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
80 echo "Setting warning flags = $build_warnings" 6>&1
83 if test "x${build_warnings}" != x -a "x$GCC" = xyes ; then
84 WARN_CFLAGS="${build_warnings}"
88 # Generate a header file
89 AM_CONFIG_HEADER(config.h:config.in)
91 # If we are on a DOS filesystem, we must use gdb.ini rather than
94 *-*-msdos* | *-*-go32* | *-*-mingw32* | *-*-windows*)
96 AC_CONFIG_FILES(gdb.ini:gdbinit.in)
100 AC_CONFIG_FILES(.gdbinit:gdbinit.in)
105 #We need this for the host. BOUT header is in host order.
110 # Makefile target for installing gas in $(tooldir)/bin.
111 install_tooldir=install-exec-tooldir
115 if test -n "$enable_targets" ; then
116 for t in `echo $enable_targets | sed 's/,/ /g'`; do
117 if test $t = "all"; then
121 result=`$ac_config_sub $t 2>/dev/null`
122 if test -n "$result" ; then
123 canon_targets="$canon_targets $result"
125 # # Permit "all", etc. We don't support it yet though.
126 # canon_targets="$canon_targets $t"
129 GAS_UNIQ(canon_targets)
134 for this_target in $target $canon_targets ; do
137 . ${srcdir}/configure.tgt
139 case ${target_cpu} in
141 AC_DEFINE_UNQUOTED(DEFAULT_CRIS_ARCH, $arch,
142 [Default CRIS architecture.])
146 if test ${this_target} = $target ; then
147 target_cpu_type=${cpu_type}
148 elif test ${target_cpu_type} != ${cpu_type} ; then
152 generic_target=${cpu_type}-${target_vendor}-${target_os}
153 case ${generic_target} in
155 if test ${this_target} = $target; then
156 AC_DEFINE(SCO_ELF, 1, [Define if defaulting to ELF on SCO 5.])
163 AC_DEFINE(STRICTCOFF, 1, [Using strict COFF?])
167 AC_MSG_WARN(GAS support for ${generic_target} is preliminary and a work in progress)
173 AC_MSG_ERROR(Unknown vendor for mips-bsd configuration.)
177 AC_DEFINE(AIX_WEAK_SUPPORT, 1,
178 [Define if using AIX 5.2 value for C_WEAKEXT.])
183 *) AC_MSG_ERROR(GNU/Linux must be configured big endian) ;;
187 if test ${this_target} = $target; then
188 AC_DEFINE(TARGET_SOLARIS_COMMENT, 1,
189 [Define if default target is PowerPC Solaris.])
191 if test x${endian} = xbig; then
192 AC_MSG_ERROR(Solaris must be configured little endian)
197 AC_DEFINE(TARGET_SYMBIAN, 1, [Define if target is Symbian OS.])
201 if test ${this_target} = $target ; then
203 if test x${endian} = xbig; then
205 elif test x${endian} = xlittle; then
208 if test x${endian_def} != x; then
209 AC_DEFINE_UNQUOTED(TARGET_BYTES_BIG_ENDIAN, $endian_def,
210 [Define as 1 if big endian.])
214 # Other random stuff.
218 # Set mips_cpu to the name of the default CPU.
219 case ${target_cpu} in
220 mips | mipsbe | mipseb | mipsle | mipsel | mips64 | mips64el)
223 mipsisa32 | mipsisa32el)
226 mipsisa32r2 | mipsisa32r2el)
229 mipsisa64 | mipsisa64el)
232 mipsisa64r2 | mipsisa64r2el)
235 mipstx39 | mipstx39el)
238 mips64vr | mips64vrel)
241 mipsisa32r2* | mipsisa64r2*)
243 mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..r2//' -e 's/el$//'`
246 mips64* | mipsisa64* | mipsisa32*)
248 mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..//' -e 's/el$//'`
252 AC_ERROR($target_cpu isn't a supported MIPS CPU name)
255 # See whether it's appropriate to set E_MIPS_ABI_O32 for o32
256 # binaries. It's a GNU extension that some OSes don't understand.
257 # The value only matters on ELF targets.
266 # Decide whether to generate 32-bit or 64-bit code by default.
267 # Used to resolve -march=from-abi when an embedded ABI is selected.
269 mips64*-*-* | mipsisa64*-*-*)
276 # Decide which ABI to target by default.
278 mips64*-linux* | mips-sgi-irix6*)
279 mips_default_abi=N32_ABI
282 mips_default_abi=O32_ABI
285 mips_default_abi=NO_ABI
288 AC_DEFINE_UNQUOTED(MIPS_CPU_STRING_DEFAULT, "$mips_cpu",
289 [Default CPU for MIPS targets. ])
290 AC_DEFINE_UNQUOTED(USE_E_MIPS_ABI_O32, $use_e_mips_abi_o32,
291 [Allow use of E_MIPS_ABI_O32 on MIPS targets. ])
292 AC_DEFINE_UNQUOTED(MIPS_DEFAULT_64BIT, $mips_default_64bit,
293 [Generate 64-bit code by default on MIPS targets. ])
294 AC_DEFINE_UNQUOTED(MIPS_DEFAULT_ABI, $mips_default_abi,
295 [Choose a default ABI for MIPS targets. ])
299 # Do we need the opcodes library?
307 case "${enable_shared}" in
308 yes) shared_opcodes=true ;;
309 *opcodes*) shared_opcodes=true ;;
310 *) shared_opcodes=false ;;
312 if test "${shared_opcodes}" = "true"; then
313 # A shared libopcodes must be linked against libbfd.
319 # Any other special object files needed ?
321 fr30 | ip2k | iq2000 | m32r | openrisc)
329 case ${extra_objects} in
331 *) extra_objects="$extra_objects m68k-parse.o" ;;
336 echo ${extra_objects} | grep -s "itbl-parse.o"
337 if test $? -ne 0 ; then
338 extra_objects="$extra_objects itbl-parse.o"
341 echo ${extra_objects} | grep -s "itbl-lex.o"
342 if test $? -ne 0 ; then
343 extra_objects="$extra_objects itbl-lex.o"
346 echo ${extra_objects} | grep -s "itbl-ops.o"
347 if test $? -ne 0 ; then
348 extra_objects="$extra_objects itbl-ops.o"
353 if test $this_target = $target ; then
354 AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
363 echo ${extra_objects} | grep -s "xtensa-relax.o"
364 if test $? -ne 0 ; then
365 extra_objects="$extra_objects xtensa-relax.o"
373 if test $using_cgen = yes ; then
374 case "x${extra_objects}" in
376 *) extra_objects="$extra_objects cgen.o" ;;
380 # See if we really can support this configuration with the emulation code.
382 if test $this_target = $target ; then
383 primary_bfd_gas=$bfd_gas
387 if test $bfd_gas = no ; then
388 # Can't support other configurations this way.
391 elif test $bfd_gas = no ; then
392 # Can't support this configuration.
396 # From target name and format, produce a list of supported emulations.
398 case ${generic_target}-${fmt} in
399 mips-*-irix5*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
400 mips*-*-linux*-*) case "$endian" in
401 big) emulation="mipsbelf mipslelf mipself" ;;
402 *) emulation="mipslelf mipsbelf mipself" ;;
404 mips-*-lnews*-ecoff) ;;
405 mips-*-*-ecoff) case "$endian" in
406 big) emulation="mipsbecoff mipslecoff mipsecoff" ;;
407 *) emulation="mipslecoff mipsbecoff mipsecoff" ;;
409 mips-*-*-elf) case "$endian" in
410 big) emulation="mipsbelf mipslelf mipself" ;;
411 *) emulation="mipslelf mipsbelf mipself" ;;
413 mips-*-sysv4*MP*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
414 # i386-pc-pe-coff != i386-pc-coff.
416 # Uncommenting the next line will turn on support for i386 AOUT
417 # for the default linux configuration
418 # i386-*-linux*-elf) emulation="i386elf i386aout" ;;
420 i386-*-aout) emulation="i386aout" ;;
421 i386-*-coff) emulation="i386coff" ;;
422 i386-*-elf) emulation="i386elf" ;;
424 # Always all formats. The first stated emulation becomes the default.
425 cris-*-*aout*) emulation="crisaout criself" ;;
426 cris-*-*) emulation="criself crisaout" ;;
429 emulations="$emulations $emulation"
433 # Turn on all targets if possible
434 if test ${all_targets} = "yes"; then
435 case ${target_cpu_type} in
437 case ${obj_format} in
439 emulations="$emulations i386coff i386elf"
442 emulations="$emulations i386aout i386elf"
445 emulations="$emulations i386aout i386coff"
452 # Assign floating point type. Most processors with FP support
453 # IEEE FP. On those that don't support FP at all, usually IEEE
455 case ${target_cpu} in
456 vax | tahoe ) atof=${target_cpu} ;;
461 case "${obj_format}" in
462 "") AC_MSG_ERROR(GAS does not know what format to use for target ${target}) ;;
465 # Unfortunately the cpu in cpu-opc.h file isn't always $(TARGET_CPU).
467 if test $using_cgen = yes ; then
468 case ${target_cpu} in
469 *) cgen_cpu_prefix=${target_cpu} ;;
471 AC_SUBST(cgen_cpu_prefix)
472 AC_DEFINE(USING_CGEN, 1, [Using cgen code?])
476 dnl Make sure the desired support files exist.
479 if test ! -r ${srcdir}/config/tc-${target_cpu_type}.c; then
480 AC_MSG_ERROR(GAS does not support target CPU ${target_cpu_type})
483 if test ! -r ${srcdir}/config/obj-${obj_format}.c; then
484 AC_MSG_ERROR(GAS does not have support for object file format ${obj_format})
487 case ${user_bfd_gas}-${primary_bfd_gas} in
489 # We didn't override user's choice.
492 AC_MSG_WARN(Use of BFD is required for ${target}; overriding config options.)
504 # User specified nothing.
508 # Some COFF configurations want these random other flags set.
509 case ${obj_format} in
511 case ${target_cpu_type} in
512 i386) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
513 m68k) AC_DEFINE(M68KCOFF, 1, [Using m68k COFF?]) ;;
514 m88k) AC_DEFINE(M88KCOFF, 1, [Using m88k COFF?]) ;;
519 # Getting this done right is going to be a bitch. Each configuration specified
520 # with --enable-targets=... should be checked for environment, format, cpu, and
523 # For each configuration, the necessary object file support code must be linked
524 # in. This might be only one, it might be up to four. The necessary emulation
525 # code needs to be provided, too.
527 # And then there's "--enable-targets=all"....
529 # For now, just always do it for MIPS ELF or ECOFF configurations. Sigh.
531 formats="${obj_format}"
535 for em in . $emulations ; do
538 mipsbelf | mipslelf | mipself)
539 fmt=elf file=mipself ;;
540 mipsbecoff | mipslecoff | mipsecoff)
541 fmt=ecoff file=mipsecoff ;;
549 formats="$formats $fmt"
550 emfiles="$emfiles e-$file.o"
551 EMULATIONS="$EMULATIONS &$em,"
555 if test `set . $formats ; shift ; echo $#` -gt 1 ; then
556 for fmt in $formats ; do
558 aout) AC_DEFINE(OBJ_MAYBE_AOUT, 1, [a.out support?]) ;;
559 bout) AC_DEFINE(OBJ_MAYBE_BOUT, 1, [b.out support?]) ;;
560 coff) AC_DEFINE(OBJ_MAYBE_COFF, 1, [COFF support?]) ;;
561 ecoff) AC_DEFINE(OBJ_MAYBE_ECOFF, 1, [ECOFF support?]) ;;
562 elf) AC_DEFINE(OBJ_MAYBE_ELF, 1, [ELF support?]) ;;
563 generic) AC_DEFINE(OBJ_MAYBE_GENERIC, 1, [generic support?]) ;;
564 hp300) AC_DEFINE(OBJ_MAYBE_HP300, 1, [HP300 support?]) ;;
565 ieee) AC_DEFINE(OBJ_MAYBE_IEEE, 1, [IEEE support?]) ;;
566 som) AC_DEFINE(OBJ_MAYBE_SOM, 1, [SOM support?]) ;;
568 extra_objects="$extra_objects obj-$fmt.o"
572 if test `set . $emfiles ; shift ; echo $#` -gt 0 ; then
573 DEFAULT_EMULATION=`set . $emulations ; echo $2`
574 # e-mips* has more than one emulation per file, e-i386* has just one at the
575 # moment. If only one emulation is specified, then don't define
576 # USE_EMULATIONS or include any of the e-files as they will only be bloat.
577 case "${obj_format}${emfiles}" in
579 extra_objects="$extra_objects $emfiles"
580 AC_DEFINE(USE_EMULATIONS, 1, [Use emulation support?]) ;;
583 AC_SUBST(extra_objects)
584 AC_DEFINE_UNQUOTED(EMULATIONS, $EMULATIONS, [Supported emulations.])
585 AC_DEFINE_UNQUOTED(DEFAULT_EMULATION, "$DEFAULT_EMULATION",
586 [Default emulation.])
588 case ${primary_bfd_gas}-${target_cpu_type}-${obj_format} in
589 yes-*-coff) need_bfd=yes ;;
590 no-*-coff) need_bfd=yes
591 AC_DEFINE(MANY_SEGMENTS, 1, [old COFF support?]) ;;
594 reject_dev_configs=yes
596 case ${reject_dev_configs}-${dev} in
598 AC_MSG_ERROR(GAS does not support the ${generic_target} configuration.)
602 AC_SUBST(target_cpu_type)
605 AC_SUBST(install_tooldir)
607 dnl AC_SUBST(emulation)
609 case "${primary_bfd_gas}" in
610 yes) AC_DEFINE(BFD_ASSEMBLER, 1, [Use BFD interface?])
614 # do we need the opcodes library?
615 case "${need_opcodes}" in
617 OPCODES_LIB=../opcodes/libopcodes.la
621 case "${need_bfd}" in
623 BFDLIB=../bfd/libbfd.la
624 BFDVER_H=../bfd/bfdver.h
625 ALL_OBJ_DEPS="$ALL_OBJ_DEPS"' ../bfd/bfd.h $(INCDIR)/symcat.h'
630 AC_SUBST(OPCODES_LIB)
633 AC_SUBST(ALL_OBJ_DEPS)
635 AC_DEFINE_UNQUOTED(TARGET_ALIAS, "${target_alias}", [Target alias.])
636 AC_DEFINE_UNQUOTED(TARGET_CANONICAL, "${target}", [Canonical target.])
637 AC_DEFINE_UNQUOTED(TARGET_CPU, "${target_cpu}", [Target CPU.])
638 AC_DEFINE_UNQUOTED(TARGET_VENDOR, "${target_vendor}", [Target vendor.])
639 AC_DEFINE_UNQUOTED(TARGET_OS, "${target_os}", [Target OS.])
646 ALL_LINGUAS="fr tr es rw"
652 AC_CHECK_HEADERS(string.h stdlib.h memory.h strings.h unistd.h stdarg.h varargs.h errno.h sys/types.h)
654 # Put this here so that autoconf's "cross-compiling" message doesn't confuse
655 # people who are not cross-compiling but are compiling cross-assemblers.
656 AC_MSG_CHECKING(whether compiling a cross-assembler)
657 if test "${host}" = "${target}"; then
661 AC_DEFINE(CROSS_COMPILE, 1, [Compiling cross-assembler?])
663 AC_MSG_RESULT($cross_gas)
665 dnl ansidecl.h will deal with const
670 # VMS doesn't have unlink.
671 AC_CHECK_FUNCS(unlink remove, break)
673 # Some systems don't have sbrk().
676 # do we need the math library?
677 case "${need_libm}" in
684 # Some non-ANSI preprocessors botch requoting inside strings. That's bad
685 # enough, but on some of those systems, the assert macro relies on requoting
689 # On some systems, the system header files may not declare malloc, realloc,
690 # and free. There are places where gas needs these functions to have been
691 # declared -- such as when taking their addresses.
699 #ifdef HAVE_STRINGS_H
711 # Does errno.h declare errno, or do we have to add a separate declaration
713 GAS_CHECK_DECL_NEEDED(errno, f, int f, [
719 AC_MSG_CHECKING(for a known getopt prototype in unistd.h)
720 AC_CACHE_VAL(gas_cv_decl_getopt_unistd_h,
721 [AC_TRY_COMPILE([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);],
722 gas_cv_decl_getopt_unistd_h=yes, gas_cv_decl_getopt_unistd_h=no)])
723 AC_MSG_RESULT($gas_cv_decl_getopt_unistd_h)
724 if test $gas_cv_decl_getopt_unistd_h = yes; then
725 AC_DEFINE([HAVE_DECL_GETOPT], 1,
726 [Is the prototype for getopt in <unistd.h> in the expected format?])
729 GAS_CHECK_DECL_NEEDED(environ, f, char **f, $gas_test_headers)
730 GAS_CHECK_DECL_NEEDED(ffs, f, int (*f)(int), $gas_test_headers)
731 GAS_CHECK_DECL_NEEDED(free, f, void (*f)(), $gas_test_headers)
732 GAS_CHECK_DECL_NEEDED(malloc, f, char *(*f)(), $gas_test_headers)
733 GAS_CHECK_DECL_NEEDED(sbrk, f, char *(*f)(), $gas_test_headers)
734 GAS_CHECK_DECL_NEEDED(strstr, f, char *(*f)(), $gas_test_headers)
736 dnl This must come last.
738 dnl We used to make symlinks to files in the source directory, but now
739 dnl we just use the right name for .c files, and create .h files in
740 dnl the build directory which include the right .h file. Make sure
741 dnl the old symlinks don't exist, so that a reconfigure in an existing
742 dnl directory behaves reasonably.
744 AC_CONFIG_FILES(Makefile doc/Makefile po/Makefile.in:po/Make-in)
745 AC_CONFIG_COMMANDS([default],
746 [rm -f targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c itbl-cpu.h
747 echo '#include "tc-'"${target_cpu_type}"'.h"' > targ-cpu.h
748 echo '#include "obj-'"${obj_format}"'.h"' > obj-format.h
749 echo '#include "te-'"${te_file}"'.h"' > targ-env.h
750 echo '#include "itbl-'"${target_cpu_type}"'.h"' > itbl-cpu.h
751 if test "x$cgen_cpu_prefix" != x ; then
752 echo '#include "opcodes/'"${cgen_cpu_prefix}"'-desc.h"' > cgen-desc.h
755 sed -e '/POTFILES =/r po/POTFILES' po/Makefile.in > po/Makefile],
756 [target_cpu_type=${target_cpu_type}
757 cgen_cpu_prefix=${cgen_cpu_prefix}
758 obj_format=${obj_format}