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)
297 case ${extra_objects} in
299 *) extra_objects="$extra_objects m68k-parse.o" ;;
304 echo ${extra_objects} | grep -s "itbl-parse.o"
305 if test $? -ne 0 ; then
306 extra_objects="$extra_objects itbl-parse.o"
309 echo ${extra_objects} | grep -s "itbl-lex.o"
310 if test $? -ne 0 ; then
311 extra_objects="$extra_objects itbl-lex.o"
314 echo ${extra_objects} | grep -s "itbl-ops.o"
315 if test $? -ne 0 ; then
316 extra_objects="$extra_objects itbl-ops.o"
321 if test $this_target = $target ; then
322 AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
331 echo ${extra_objects} | grep -s "xtensa-relax.o"
332 if test $? -ne 0 ; then
333 extra_objects="$extra_objects xtensa-relax.o"
341 if test $using_cgen = yes ; then
342 case "x${extra_objects}" in
344 *) extra_objects="$extra_objects cgen.o" ;;
348 # See if we really can support this configuration with the emulation code.
350 if test $this_target = $target ; then
351 primary_bfd_gas=$bfd_gas
355 if test $bfd_gas = no ; then
356 # Can't support other configurations this way.
359 elif test $bfd_gas = no ; then
360 # Can't support this configuration.
364 # From target name and format, produce a list of supported emulations.
366 case ${generic_target}-${fmt} in
367 mips-*-irix5*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
368 mips*-*-linux*-*) case "$endian" in
369 big) emulation="mipsbelf mipslelf mipself" ;;
370 *) emulation="mipslelf mipsbelf mipself" ;;
372 mips-*-lnews*-ecoff) ;;
373 mips-*-*-ecoff) case "$endian" in
374 big) emulation="mipsbecoff mipslecoff mipsecoff" ;;
375 *) emulation="mipslecoff mipsbecoff mipsecoff" ;;
377 mips-*-*-elf) case "$endian" in
378 big) emulation="mipsbelf mipslelf mipself" ;;
379 *) emulation="mipslelf mipsbelf mipself" ;;
381 mips-*-sysv4*MP*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
382 # i386-pc-pe-coff != i386-pc-coff.
384 # Uncommenting the next line will turn on support for i386 AOUT
385 # for the default linux configuration
386 # i386-*-linux*-elf) emulation="i386elf i386aout" ;;
388 i386-*-aout) emulation="i386aout" ;;
389 i386-*-coff) emulation="i386coff" ;;
390 i386-*-elf) emulation="i386elf" ;;
392 # Always all formats. The first stated emulation becomes the default.
393 cris-*-*aout*) emulation="crisaout criself" ;;
394 cris-*-*) emulation="criself crisaout" ;;
397 emulations="$emulations $emulation"
401 # Turn on all targets if possible
402 if test ${all_targets} = "yes"; then
403 case ${target_cpu_type} in
405 case ${obj_format} in
407 emulations="$emulations i386coff i386elf"
410 emulations="$emulations i386aout i386elf"
413 emulations="$emulations i386aout i386coff"
420 # Assign floating point type. Most processors with FP support
421 # IEEE FP. On those that don't support FP at all, usually IEEE
423 case ${target_cpu} in
424 vax | tahoe ) atof=${target_cpu} ;;
429 case "${obj_format}" in
430 "") AC_MSG_ERROR(GAS does not know what format to use for target ${target}) ;;
433 # Unfortunately the cpu in cpu-opc.h file isn't always $(TARGET_CPU).
435 if test $using_cgen = yes ; then
436 case ${target_cpu} in
437 *) cgen_cpu_prefix=${target_cpu} ;;
439 AC_SUBST(cgen_cpu_prefix)
440 AC_DEFINE(USING_CGEN, 1, [Using cgen code?])
444 dnl Make sure the desired support files exist.
447 if test ! -r ${srcdir}/config/tc-${target_cpu_type}.c; then
448 AC_MSG_ERROR(GAS does not support target CPU ${target_cpu_type})
451 if test ! -r ${srcdir}/config/obj-${obj_format}.c; then
452 AC_MSG_ERROR(GAS does not have support for object file format ${obj_format})
455 case ${user_bfd_gas}-${primary_bfd_gas} in
457 # We didn't override user's choice.
460 AC_MSG_WARN(Use of BFD is required for ${target}; overriding config options.)
472 # User specified nothing.
476 # Some COFF configurations want these random other flags set.
477 case ${obj_format} in
479 case ${target_cpu_type} in
480 i386) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
481 m68k) AC_DEFINE(M68KCOFF, 1, [Using m68k COFF?]) ;;
482 m88k) AC_DEFINE(M88KCOFF, 1, [Using m88k COFF?]) ;;
487 # Getting this done right is going to be a bitch. Each configuration specified
488 # with --enable-targets=... should be checked for environment, format, cpu, and
491 # For each configuration, the necessary object file support code must be linked
492 # in. This might be only one, it might be up to four. The necessary emulation
493 # code needs to be provided, too.
495 # And then there's "--enable-targets=all"....
497 # For now, just always do it for MIPS ELF or ECOFF configurations. Sigh.
499 formats="${obj_format}"
503 for em in . $emulations ; do
506 mipsbelf | mipslelf | mipself)
507 fmt=elf file=mipself ;;
508 mipsbecoff | mipslecoff | mipsecoff)
509 fmt=ecoff file=mipsecoff ;;
517 formats="$formats $fmt"
518 emfiles="$emfiles e-$file.o"
519 EMULATIONS="$EMULATIONS &$em,"
523 if test `set . $formats ; shift ; echo $#` -gt 1 ; then
524 for fmt in $formats ; do
526 aout) AC_DEFINE(OBJ_MAYBE_AOUT, 1, [a.out support?]) ;;
527 bout) AC_DEFINE(OBJ_MAYBE_BOUT, 1, [b.out support?]) ;;
528 coff) AC_DEFINE(OBJ_MAYBE_COFF, 1, [COFF support?]) ;;
529 ecoff) AC_DEFINE(OBJ_MAYBE_ECOFF, 1, [ECOFF support?]) ;;
530 elf) AC_DEFINE(OBJ_MAYBE_ELF, 1, [ELF support?]) ;;
531 generic) AC_DEFINE(OBJ_MAYBE_GENERIC, 1, [generic support?]) ;;
532 hp300) AC_DEFINE(OBJ_MAYBE_HP300, 1, [HP300 support?]) ;;
533 ieee) AC_DEFINE(OBJ_MAYBE_IEEE, 1, [IEEE support?]) ;;
534 som) AC_DEFINE(OBJ_MAYBE_SOM, 1, [SOM support?]) ;;
536 extra_objects="$extra_objects obj-$fmt.o"
540 if test `set . $emfiles ; shift ; echo $#` -gt 0 ; then
541 DEFAULT_EMULATION=`set . $emulations ; echo $2`
542 # e-mips* has more than one emulation per file, e-i386* has just one at the
543 # moment. If only one emulation is specified, then don't define
544 # USE_EMULATIONS or include any of the e-files as they will only be bloat.
545 case "${obj_format}${emfiles}" in
547 extra_objects="$extra_objects $emfiles"
548 AC_DEFINE(USE_EMULATIONS, 1, [Use emulation support?]) ;;
551 AC_SUBST(extra_objects)
552 AC_DEFINE_UNQUOTED(EMULATIONS, $EMULATIONS, [Supported emulations.])
553 AC_DEFINE_UNQUOTED(DEFAULT_EMULATION, "$DEFAULT_EMULATION",
554 [Default emulation.])
556 case ${primary_bfd_gas}-${target_cpu_type}-${obj_format} in
557 yes-*-coff) need_bfd=yes ;;
558 no-*-coff) need_bfd=yes
559 AC_DEFINE(MANY_SEGMENTS, 1, [old COFF support?]) ;;
562 reject_dev_configs=yes
564 case ${reject_dev_configs}-${dev} in
566 AC_MSG_ERROR(GAS does not support the ${generic_target} configuration.)
570 AC_SUBST(target_cpu_type)
573 AC_SUBST(install_tooldir)
575 dnl AC_SUBST(emulation)
577 case "${primary_bfd_gas}" in
578 yes) AC_DEFINE(BFD_ASSEMBLER, 1, [Use BFD interface?])
582 # do we need the opcodes library?
583 case "${need_opcodes}" in
585 OPCODES_LIB=../opcodes/libopcodes.la
589 case "${need_bfd}" in
591 BFDLIB=../bfd/libbfd.la
592 BFDVER_H=../bfd/bfdver.h
593 ALL_OBJ_DEPS="$ALL_OBJ_DEPS"' ../bfd/bfd.h $(INCDIR)/symcat.h'
598 AC_SUBST(OPCODES_LIB)
601 AC_SUBST(ALL_OBJ_DEPS)
603 AC_DEFINE_UNQUOTED(TARGET_ALIAS, "${target_alias}", [Target alias.])
604 AC_DEFINE_UNQUOTED(TARGET_CANONICAL, "${target}", [Canonical target.])
605 AC_DEFINE_UNQUOTED(TARGET_CPU, "${target_cpu}", [Target CPU.])
606 AC_DEFINE_UNQUOTED(TARGET_VENDOR, "${target_vendor}", [Target vendor.])
607 AC_DEFINE_UNQUOTED(TARGET_OS, "${target_os}", [Target OS.])
614 ALL_LINGUAS="fr tr es rw"
620 AC_CHECK_HEADERS(string.h stdlib.h memory.h strings.h unistd.h stdarg.h varargs.h errno.h sys/types.h)
622 # Put this here so that autoconf's "cross-compiling" message doesn't confuse
623 # people who are not cross-compiling but are compiling cross-assemblers.
624 AC_MSG_CHECKING(whether compiling a cross-assembler)
625 if test "${host}" = "${target}"; then
629 AC_DEFINE(CROSS_COMPILE, 1, [Compiling cross-assembler?])
631 AC_MSG_RESULT($cross_gas)
633 dnl ansidecl.h will deal with const
638 # VMS doesn't have unlink.
639 AC_CHECK_FUNCS(unlink remove, break)
641 # Some systems don't have sbrk().
644 # do we need the math library?
645 case "${need_libm}" in
652 # Some non-ANSI preprocessors botch requoting inside strings. That's bad
653 # enough, but on some of those systems, the assert macro relies on requoting
657 # On some systems, the system header files may not declare malloc, realloc,
658 # and free. There are places where gas needs these functions to have been
659 # declared -- such as when taking their addresses.
667 #ifdef HAVE_STRINGS_H
679 # Does errno.h declare errno, or do we have to add a separate declaration
681 GAS_CHECK_DECL_NEEDED(errno, f, int f, [
687 AC_MSG_CHECKING(for a known getopt prototype in unistd.h)
688 AC_CACHE_VAL(gas_cv_decl_getopt_unistd_h,
689 [AC_TRY_COMPILE([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);],
690 gas_cv_decl_getopt_unistd_h=yes, gas_cv_decl_getopt_unistd_h=no)])
691 AC_MSG_RESULT($gas_cv_decl_getopt_unistd_h)
692 if test $gas_cv_decl_getopt_unistd_h = yes; then
693 AC_DEFINE([HAVE_DECL_GETOPT], 1,
694 [Is the prototype for getopt in <unistd.h> in the expected format?])
697 GAS_CHECK_DECL_NEEDED(environ, f, char **f, $gas_test_headers)
698 GAS_CHECK_DECL_NEEDED(ffs, f, int (*f)(int), $gas_test_headers)
699 GAS_CHECK_DECL_NEEDED(free, f, void (*f)(), $gas_test_headers)
700 GAS_CHECK_DECL_NEEDED(malloc, f, char *(*f)(), $gas_test_headers)
701 GAS_CHECK_DECL_NEEDED(sbrk, f, char *(*f)(), $gas_test_headers)
702 GAS_CHECK_DECL_NEEDED(strstr, f, char *(*f)(), $gas_test_headers)
704 dnl This must come last.
706 dnl We used to make symlinks to files in the source directory, but now
707 dnl we just use the right name for .c files, and create .h files in
708 dnl the build directory which include the right .h file. Make sure
709 dnl the old symlinks don't exist, so that a reconfigure in an existing
710 dnl directory behaves reasonably.
712 AC_CONFIG_FILES(Makefile doc/Makefile po/Makefile.in:po/Make-in)
713 AC_CONFIG_COMMANDS([default],
714 [rm -f targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c itbl-cpu.h
715 echo '#include "tc-'"${target_cpu_type}"'.h"' > targ-cpu.h
716 echo '#include "obj-'"${obj_format}"'.h"' > obj-format.h
717 echo '#include "te-'"${te_file}"'.h"' > targ-env.h
718 echo '#include "itbl-'"${target_cpu_type}"'.h"' > itbl-cpu.h
719 if test "x$cgen_cpu_prefix" != x ; then
720 echo '#include "opcodes/'"${cgen_cpu_prefix}"'-desc.h"' > cgen-desc.h
723 sed -e '/POTFILES =/r po/POTFILES' po/Makefile.in > po/Makefile],
724 [target_cpu_type=${target_cpu_type}
725 cgen_cpu_prefix=${cgen_cpu_prefix}
726 obj_format=${obj_format}