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]) ;;
53 # Generate a header file
54 AM_CONFIG_HEADER(config.h:config.in)
56 # If we are on a DOS filesystem, we must use gdb.ini rather than
59 *-*-msdos* | *-*-go32* | *-*-mingw32* | *-*-windows*)
61 AC_CONFIG_FILES(gdb.ini:gdbinit.in)
65 AC_CONFIG_FILES(.gdbinit:gdbinit.in)
70 #We need this for the host. BOUT header is in host order.
75 # Makefile target for installing gas in $(tooldir)/bin.
76 install_tooldir=install-exec-tooldir
80 if test -n "$enable_targets" ; then
81 for t in `echo $enable_targets | sed 's/,/ /g'`; do
82 if test $t = "all"; then
86 result=`$ac_config_sub $t 2>/dev/null`
87 if test -n "$result" ; then
88 canon_targets="$canon_targets $result"
90 # # Permit "all", etc. We don't support it yet though.
91 # canon_targets="$canon_targets $t"
94 GAS_UNIQ(canon_targets)
99 for this_target in $target $canon_targets ; do
102 . ${srcdir}/configure.tgt
104 case ${target_cpu} in
106 AC_DEFINE_UNQUOTED(DEFAULT_CRIS_ARCH, $arch,
107 [Default CRIS architecture.])
111 if test ${this_target} = $target ; then
112 target_cpu_type=${cpu_type}
113 elif test ${target_cpu_type} != ${cpu_type} ; then
117 generic_target=${cpu_type}-${target_vendor}-${target_os}
118 case ${generic_target} in
120 if test ${this_target} = $target; then
121 AC_DEFINE(SCO_ELF, 1, [Define if defaulting to ELF on SCO 5.])
128 AC_DEFINE(STRICTCOFF, 1, [Using strict COFF?])
132 AC_MSG_WARN(GAS support for ${generic_target} is preliminary and a work in progress)
138 AC_MSG_ERROR(Unknown vendor for mips-bsd configuration.)
142 AC_DEFINE(AIX_WEAK_SUPPORT, 1,
143 [Define if using AIX 5.2 value for C_WEAKEXT.])
148 *) AC_MSG_ERROR(GNU/Linux must be configured big endian) ;;
152 if test ${this_target} = $target; then
153 AC_DEFINE(TARGET_SOLARIS_COMMENT, 1,
154 [Define if default target is PowerPC Solaris.])
156 if test x${endian} = xbig; then
157 AC_MSG_ERROR(Solaris must be configured little endian)
162 AC_DEFINE(TARGET_SYMBIAN, 1, [Define if target is Symbian OS.])
166 if test ${this_target} = $target ; then
168 if test x${endian} = xbig; then
170 elif test x${endian} = xlittle; then
173 if test x${endian_def} != x; then
174 AC_DEFINE_UNQUOTED(TARGET_BYTES_BIG_ENDIAN, $endian_def,
175 [Define as 1 if big endian.])
179 # Other random stuff.
183 # Set mips_cpu to the name of the default CPU.
184 case ${target_cpu} in
185 mips | mipsbe | mipseb | mipsle | mipsel | mips64 | mips64el)
188 mipsisa32 | mipsisa32el)
191 mipsisa32r2 | mipsisa32r2el)
194 mipsisa64 | mipsisa64el)
197 mipsisa64r2 | mipsisa64r2el)
200 mipstx39 | mipstx39el)
203 mips64vr | mips64vrel)
206 mipsisa32r2* | mipsisa64r2*)
208 mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..r2//' -e 's/el$//'`
211 mips64* | mipsisa64* | mipsisa32*)
213 mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..//' -e 's/el$//'`
217 AC_ERROR($target_cpu isn't a supported MIPS CPU name)
220 # See whether it's appropriate to set E_MIPS_ABI_O32 for o32
221 # binaries. It's a GNU extension that some OSes don't understand.
222 # The value only matters on ELF targets.
231 # Decide whether to generate 32-bit or 64-bit code by default.
232 # Used to resolve -march=from-abi when an embedded ABI is selected.
234 mips64*-*-* | mipsisa64*-*-*)
241 # Decide which ABI to target by default.
243 mips64*-linux* | mips-sgi-irix6*)
244 mips_default_abi=N32_ABI
247 mips_default_abi=O32_ABI
250 mips_default_abi=N64_ABI
253 mips_default_abi=NO_ABI
256 AC_DEFINE_UNQUOTED(MIPS_CPU_STRING_DEFAULT, "$mips_cpu",
257 [Default CPU for MIPS targets. ])
258 AC_DEFINE_UNQUOTED(USE_E_MIPS_ABI_O32, $use_e_mips_abi_o32,
259 [Allow use of E_MIPS_ABI_O32 on MIPS targets. ])
260 AC_DEFINE_UNQUOTED(MIPS_DEFAULT_64BIT, $mips_default_64bit,
261 [Generate 64-bit code by default on MIPS targets. ])
262 AC_DEFINE_UNQUOTED(MIPS_DEFAULT_ABI, $mips_default_abi,
263 [Choose a default ABI for MIPS targets. ])
267 # Do we need the opcodes library?
275 case "${enable_shared}" in
276 yes) shared_opcodes=true ;;
277 *opcodes*) shared_opcodes=true ;;
278 *) shared_opcodes=false ;;
280 if test "${shared_opcodes}" = "true"; then
281 # A shared libopcodes must be linked against libbfd.
287 # Any other special object files needed ?
289 fr30 | ip2k | iq2000 | m32r | openrisc)
300 case ${extra_objects} in
302 *) extra_objects="$extra_objects m68k-parse.o" ;;
307 echo ${extra_objects} | grep -s "itbl-parse.o"
308 if test $? -ne 0 ; then
309 extra_objects="$extra_objects itbl-parse.o"
312 echo ${extra_objects} | grep -s "itbl-lex.o"
313 if test $? -ne 0 ; then
314 extra_objects="$extra_objects itbl-lex.o"
317 echo ${extra_objects} | grep -s "itbl-ops.o"
318 if test $? -ne 0 ; then
319 extra_objects="$extra_objects itbl-ops.o"
328 if test $this_target = $target ; then
329 AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
338 echo ${extra_objects} | grep -s "xtensa-relax.o"
339 if test $? -ne 0 ; then
340 extra_objects="$extra_objects xtensa-relax.o"
348 if test $using_cgen = yes ; then
349 case "x${extra_objects}" in
351 *) extra_objects="$extra_objects cgen.o" ;;
355 # See if we really can support this configuration with the emulation code.
357 if test $this_target = $target ; then
358 primary_bfd_gas=$bfd_gas
362 if test $bfd_gas = no ; then
363 # Can't support other configurations this way.
366 elif test $bfd_gas = no ; then
367 # Can't support this configuration.
371 # From target name and format, produce a list of supported emulations.
373 case ${generic_target}-${fmt} in
374 mips-*-irix5*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
375 mips*-*-linux*-*) case "$endian" in
376 big) emulation="mipsbelf mipslelf mipself" ;;
377 *) emulation="mipslelf mipsbelf mipself" ;;
379 mips-*-lnews*-ecoff) ;;
380 mips-*-*-ecoff) case "$endian" in
381 big) emulation="mipsbecoff mipslecoff mipsecoff" ;;
382 *) emulation="mipslecoff mipsbecoff mipsecoff" ;;
384 mips-*-*-elf) case "$endian" in
385 big) emulation="mipsbelf mipslelf mipself" ;;
386 *) emulation="mipslelf mipsbelf mipself" ;;
388 mips-*-sysv4*MP*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
389 # i386-pc-pe-coff != i386-pc-coff.
391 # Uncommenting the next line will turn on support for i386 AOUT
392 # for the default linux configuration
393 # i386-*-linux*-elf) emulation="i386elf i386aout" ;;
395 i386-*-aout) emulation="i386aout" ;;
396 i386-*-coff) emulation="i386coff" ;;
397 i386-*-elf) emulation="i386elf" ;;
399 # Always all formats. The first stated emulation becomes the default.
400 cris-*-*aout*) emulation="crisaout criself" ;;
401 cris-*-*) emulation="criself crisaout" ;;
404 emulations="$emulations $emulation"
408 # Turn on all targets if possible
409 if test ${all_targets} = "yes"; then
410 case ${target_cpu_type} in
412 case ${obj_format} in
414 emulations="$emulations i386coff i386elf"
417 emulations="$emulations i386aout i386elf"
420 emulations="$emulations i386aout i386coff"
427 # Assign floating point type. Most processors with FP support
428 # IEEE FP. On those that don't support FP at all, usually IEEE
430 case ${target_cpu} in
431 vax | tahoe ) atof=${target_cpu} ;;
436 case "${obj_format}" in
437 "") AC_MSG_ERROR(GAS does not know what format to use for target ${target}) ;;
440 # Unfortunately the cpu in cpu-opc.h file isn't always $(TARGET_CPU).
442 if test $using_cgen = yes ; then
443 case ${target_cpu} in
444 *) cgen_cpu_prefix=${target_cpu} ;;
446 AC_SUBST(cgen_cpu_prefix)
447 AC_DEFINE(USING_CGEN, 1, [Using cgen code?])
451 dnl Make sure the desired support files exist.
454 if test ! -r ${srcdir}/config/tc-${target_cpu_type}.c; then
455 AC_MSG_ERROR(GAS does not support target CPU ${target_cpu_type})
458 if test ! -r ${srcdir}/config/obj-${obj_format}.c; then
459 AC_MSG_ERROR(GAS does not have support for object file format ${obj_format})
462 case ${user_bfd_gas}-${primary_bfd_gas} in
464 # We didn't override user's choice.
467 AC_MSG_WARN(Use of BFD is required for ${target}; overriding config options.)
479 # User specified nothing.
483 # Some COFF configurations want these random other flags set.
484 case ${obj_format} in
486 case ${target_cpu_type} in
487 i386) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
488 m68k) AC_DEFINE(M68KCOFF, 1, [Using m68k COFF?]) ;;
489 m88k) AC_DEFINE(M88KCOFF, 1, [Using m88k COFF?]) ;;
494 # Getting this done right is going to be a bitch. Each configuration specified
495 # with --enable-targets=... should be checked for environment, format, cpu, and
498 # For each configuration, the necessary object file support code must be linked
499 # in. This might be only one, it might be up to four. The necessary emulation
500 # code needs to be provided, too.
502 # And then there's "--enable-targets=all"....
504 # For now, just always do it for MIPS ELF or ECOFF configurations. Sigh.
506 formats="${obj_format}"
510 for em in . $emulations ; do
513 mipsbelf | mipslelf | mipself)
514 fmt=elf file=mipself ;;
515 mipsbecoff | mipslecoff | mipsecoff)
516 fmt=ecoff file=mipsecoff ;;
524 formats="$formats $fmt"
525 emfiles="$emfiles e-$file.o"
526 EMULATIONS="$EMULATIONS &$em,"
530 if test `set . $formats ; shift ; echo $#` -gt 1 ; then
531 for fmt in $formats ; do
533 aout) AC_DEFINE(OBJ_MAYBE_AOUT, 1, [a.out support?]) ;;
534 bout) AC_DEFINE(OBJ_MAYBE_BOUT, 1, [b.out support?]) ;;
535 coff) AC_DEFINE(OBJ_MAYBE_COFF, 1, [COFF support?]) ;;
536 ecoff) AC_DEFINE(OBJ_MAYBE_ECOFF, 1, [ECOFF support?]) ;;
537 elf) AC_DEFINE(OBJ_MAYBE_ELF, 1, [ELF support?]) ;;
538 generic) AC_DEFINE(OBJ_MAYBE_GENERIC, 1, [generic support?]) ;;
539 hp300) AC_DEFINE(OBJ_MAYBE_HP300, 1, [HP300 support?]) ;;
540 ieee) AC_DEFINE(OBJ_MAYBE_IEEE, 1, [IEEE support?]) ;;
541 som) AC_DEFINE(OBJ_MAYBE_SOM, 1, [SOM support?]) ;;
543 extra_objects="$extra_objects obj-$fmt.o"
547 if test `set . $emfiles ; shift ; echo $#` -gt 0 ; then
548 DEFAULT_EMULATION=`set . $emulations ; echo $2`
549 # e-mips* has more than one emulation per file, e-i386* has just one at the
550 # moment. If only one emulation is specified, then don't define
551 # USE_EMULATIONS or include any of the e-files as they will only be bloat.
552 case "${obj_format}${emfiles}" in
554 extra_objects="$extra_objects $emfiles"
555 AC_DEFINE(USE_EMULATIONS, 1, [Use emulation support?]) ;;
558 AC_SUBST(extra_objects)
559 AC_DEFINE_UNQUOTED(EMULATIONS, $EMULATIONS, [Supported emulations.])
560 AC_DEFINE_UNQUOTED(DEFAULT_EMULATION, "$DEFAULT_EMULATION",
561 [Default emulation.])
563 case ${primary_bfd_gas}-${target_cpu_type}-${obj_format} in
564 yes-*-coff) need_bfd=yes ;;
565 no-*-coff) need_bfd=yes
566 AC_DEFINE(MANY_SEGMENTS, 1, [old COFF support?]) ;;
569 reject_dev_configs=yes
571 case ${reject_dev_configs}-${dev} in
573 AC_MSG_ERROR(GAS does not support the ${generic_target} configuration.)
577 AC_SUBST(target_cpu_type)
580 AC_SUBST(install_tooldir)
582 dnl AC_SUBST(emulation)
584 case "${primary_bfd_gas}" in
585 yes) AC_DEFINE(BFD_ASSEMBLER, 1, [Use BFD interface?])
589 # do we need the opcodes library?
590 case "${need_opcodes}" in
592 OPCODES_LIB=../opcodes/libopcodes.la
596 case "${need_bfd}" in
598 BFDLIB=../bfd/libbfd.la
599 BFDVER_H=../bfd/bfdver.h
600 ALL_OBJ_DEPS="$ALL_OBJ_DEPS"' ../bfd/bfd.h $(INCDIR)/symcat.h'
605 AC_SUBST(OPCODES_LIB)
608 AC_SUBST(ALL_OBJ_DEPS)
610 AC_DEFINE_UNQUOTED(TARGET_ALIAS, "${target_alias}", [Target alias.])
611 AC_DEFINE_UNQUOTED(TARGET_CANONICAL, "${target}", [Canonical target.])
612 AC_DEFINE_UNQUOTED(TARGET_CPU, "${target_cpu}", [Target CPU.])
613 AC_DEFINE_UNQUOTED(TARGET_VENDOR, "${target_vendor}", [Target vendor.])
614 AC_DEFINE_UNQUOTED(TARGET_OS, "${target_os}", [Target OS.])
621 ALL_LINGUAS="fr tr es rw"
627 AC_CHECK_HEADERS(string.h stdlib.h memory.h strings.h unistd.h stdarg.h varargs.h errno.h sys/types.h)
629 # Put this here so that autoconf's "cross-compiling" message doesn't confuse
630 # people who are not cross-compiling but are compiling cross-assemblers.
631 AC_MSG_CHECKING(whether compiling a cross-assembler)
632 if test "${host}" = "${target}"; then
636 AC_DEFINE(CROSS_COMPILE, 1, [Compiling cross-assembler?])
638 AC_MSG_RESULT($cross_gas)
640 dnl ansidecl.h will deal with const
645 # VMS doesn't have unlink.
646 AC_CHECK_FUNCS(unlink remove, break)
648 # Some systems don't have sbrk().
651 # do we need the math library?
652 case "${need_libm}" in
659 # Some non-ANSI preprocessors botch requoting inside strings. That's bad
660 # enough, but on some of those systems, the assert macro relies on requoting
664 # On some systems, the system header files may not declare malloc, realloc,
665 # and free. There are places where gas needs these functions to have been
666 # declared -- such as when taking their addresses.
674 #ifdef HAVE_STRINGS_H
686 # Does errno.h declare errno, or do we have to add a separate declaration
688 GAS_CHECK_DECL_NEEDED(errno, f, int f, [
694 AC_MSG_CHECKING(for a known getopt prototype in unistd.h)
695 AC_CACHE_VAL(gas_cv_decl_getopt_unistd_h,
696 [AC_TRY_COMPILE([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);],
697 gas_cv_decl_getopt_unistd_h=yes, gas_cv_decl_getopt_unistd_h=no)])
698 AC_MSG_RESULT($gas_cv_decl_getopt_unistd_h)
699 if test $gas_cv_decl_getopt_unistd_h = yes; then
700 AC_DEFINE([HAVE_DECL_GETOPT], 1,
701 [Is the prototype for getopt in <unistd.h> in the expected format?])
704 GAS_CHECK_DECL_NEEDED(environ, f, char **f, $gas_test_headers)
705 GAS_CHECK_DECL_NEEDED(ffs, f, int (*f)(int), $gas_test_headers)
706 GAS_CHECK_DECL_NEEDED(free, f, void (*f)(), $gas_test_headers)
707 GAS_CHECK_DECL_NEEDED(malloc, f, char *(*f)(), $gas_test_headers)
708 GAS_CHECK_DECL_NEEDED(sbrk, f, char *(*f)(), $gas_test_headers)
709 GAS_CHECK_DECL_NEEDED(strstr, f, char *(*f)(), $gas_test_headers)
711 dnl This must come last.
713 dnl We used to make symlinks to files in the source directory, but now
714 dnl we just use the right name for .c files, and create .h files in
715 dnl the build directory which include the right .h file. Make sure
716 dnl the old symlinks don't exist, so that a reconfigure in an existing
717 dnl directory behaves reasonably.
719 AC_CONFIG_FILES(Makefile doc/Makefile po/Makefile.in:po/Make-in)
720 AC_CONFIG_COMMANDS([default],
721 [rm -f targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c itbl-cpu.h
722 echo '#include "tc-'"${target_cpu_type}"'.h"' > targ-cpu.h
723 echo '#include "obj-'"${obj_format}"'.h"' > obj-format.h
724 echo '#include "te-'"${te_file}"'.h"' > targ-env.h
725 echo '#include "itbl-'"${target_cpu_type}"'.h"' > itbl-cpu.h
726 if test "x$cgen_cpu_prefix" != x ; then
727 echo '#include "opcodes/'"${cgen_cpu_prefix}"'-desc.h"' > cgen-desc.h
730 sed -e '/POTFILES =/r po/POTFILES' po/Makefile.in > po/Makefile],
731 [target_cpu_type=${target_cpu_type}
732 cgen_cpu_prefix=${cgen_cpu_prefix}
733 obj_format=${obj_format}