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"
325 if test $this_target = $target ; then
326 AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
335 echo ${extra_objects} | grep -s "xtensa-relax.o"
336 if test $? -ne 0 ; then
337 extra_objects="$extra_objects xtensa-relax.o"
345 if test $using_cgen = yes ; then
346 case "x${extra_objects}" in
348 *) extra_objects="$extra_objects cgen.o" ;;
352 # See if we really can support this configuration with the emulation code.
354 if test $this_target = $target ; then
355 primary_bfd_gas=$bfd_gas
359 if test $bfd_gas = no ; then
360 # Can't support other configurations this way.
363 elif test $bfd_gas = no ; then
364 # Can't support this configuration.
368 # From target name and format, produce a list of supported emulations.
370 case ${generic_target}-${fmt} in
371 mips-*-irix5*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
372 mips*-*-linux*-*) case "$endian" in
373 big) emulation="mipsbelf mipslelf mipself" ;;
374 *) emulation="mipslelf mipsbelf mipself" ;;
376 mips-*-lnews*-ecoff) ;;
377 mips-*-*-ecoff) case "$endian" in
378 big) emulation="mipsbecoff mipslecoff mipsecoff" ;;
379 *) emulation="mipslecoff mipsbecoff mipsecoff" ;;
381 mips-*-*-elf) case "$endian" in
382 big) emulation="mipsbelf mipslelf mipself" ;;
383 *) emulation="mipslelf mipsbelf mipself" ;;
385 mips-*-sysv4*MP*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
386 # i386-pc-pe-coff != i386-pc-coff.
388 # Uncommenting the next line will turn on support for i386 AOUT
389 # for the default linux configuration
390 # i386-*-linux*-elf) emulation="i386elf i386aout" ;;
392 i386-*-aout) emulation="i386aout" ;;
393 i386-*-coff) emulation="i386coff" ;;
394 i386-*-elf) emulation="i386elf" ;;
396 # Always all formats. The first stated emulation becomes the default.
397 cris-*-*aout*) emulation="crisaout criself" ;;
398 cris-*-*) emulation="criself crisaout" ;;
401 emulations="$emulations $emulation"
405 # Turn on all targets if possible
406 if test ${all_targets} = "yes"; then
407 case ${target_cpu_type} in
409 case ${obj_format} in
411 emulations="$emulations i386coff i386elf"
414 emulations="$emulations i386aout i386elf"
417 emulations="$emulations i386aout i386coff"
424 # Assign floating point type. Most processors with FP support
425 # IEEE FP. On those that don't support FP at all, usually IEEE
427 case ${target_cpu} in
428 vax | tahoe ) atof=${target_cpu} ;;
433 case "${obj_format}" in
434 "") AC_MSG_ERROR(GAS does not know what format to use for target ${target}) ;;
437 # Unfortunately the cpu in cpu-opc.h file isn't always $(TARGET_CPU).
439 if test $using_cgen = yes ; then
440 case ${target_cpu} in
441 *) cgen_cpu_prefix=${target_cpu} ;;
443 AC_SUBST(cgen_cpu_prefix)
444 AC_DEFINE(USING_CGEN, 1, [Using cgen code?])
448 dnl Make sure the desired support files exist.
451 if test ! -r ${srcdir}/config/tc-${target_cpu_type}.c; then
452 AC_MSG_ERROR(GAS does not support target CPU ${target_cpu_type})
455 if test ! -r ${srcdir}/config/obj-${obj_format}.c; then
456 AC_MSG_ERROR(GAS does not have support for object file format ${obj_format})
459 case ${user_bfd_gas}-${primary_bfd_gas} in
461 # We didn't override user's choice.
464 AC_MSG_WARN(Use of BFD is required for ${target}; overriding config options.)
476 # User specified nothing.
480 # Some COFF configurations want these random other flags set.
481 case ${obj_format} in
483 case ${target_cpu_type} in
484 i386) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
485 m68k) AC_DEFINE(M68KCOFF, 1, [Using m68k COFF?]) ;;
486 m88k) AC_DEFINE(M88KCOFF, 1, [Using m88k COFF?]) ;;
491 # Getting this done right is going to be a bitch. Each configuration specified
492 # with --enable-targets=... should be checked for environment, format, cpu, and
495 # For each configuration, the necessary object file support code must be linked
496 # in. This might be only one, it might be up to four. The necessary emulation
497 # code needs to be provided, too.
499 # And then there's "--enable-targets=all"....
501 # For now, just always do it for MIPS ELF or ECOFF configurations. Sigh.
503 formats="${obj_format}"
507 for em in . $emulations ; do
510 mipsbelf | mipslelf | mipself)
511 fmt=elf file=mipself ;;
512 mipsbecoff | mipslecoff | mipsecoff)
513 fmt=ecoff file=mipsecoff ;;
521 formats="$formats $fmt"
522 emfiles="$emfiles e-$file.o"
523 EMULATIONS="$EMULATIONS &$em,"
527 if test `set . $formats ; shift ; echo $#` -gt 1 ; then
528 for fmt in $formats ; do
530 aout) AC_DEFINE(OBJ_MAYBE_AOUT, 1, [a.out support?]) ;;
531 bout) AC_DEFINE(OBJ_MAYBE_BOUT, 1, [b.out support?]) ;;
532 coff) AC_DEFINE(OBJ_MAYBE_COFF, 1, [COFF support?]) ;;
533 ecoff) AC_DEFINE(OBJ_MAYBE_ECOFF, 1, [ECOFF support?]) ;;
534 elf) AC_DEFINE(OBJ_MAYBE_ELF, 1, [ELF support?]) ;;
535 generic) AC_DEFINE(OBJ_MAYBE_GENERIC, 1, [generic support?]) ;;
536 hp300) AC_DEFINE(OBJ_MAYBE_HP300, 1, [HP300 support?]) ;;
537 ieee) AC_DEFINE(OBJ_MAYBE_IEEE, 1, [IEEE support?]) ;;
538 som) AC_DEFINE(OBJ_MAYBE_SOM, 1, [SOM support?]) ;;
540 extra_objects="$extra_objects obj-$fmt.o"
544 if test `set . $emfiles ; shift ; echo $#` -gt 0 ; then
545 DEFAULT_EMULATION=`set . $emulations ; echo $2`
546 # e-mips* has more than one emulation per file, e-i386* has just one at the
547 # moment. If only one emulation is specified, then don't define
548 # USE_EMULATIONS or include any of the e-files as they will only be bloat.
549 case "${obj_format}${emfiles}" in
551 extra_objects="$extra_objects $emfiles"
552 AC_DEFINE(USE_EMULATIONS, 1, [Use emulation support?]) ;;
555 AC_SUBST(extra_objects)
556 AC_DEFINE_UNQUOTED(EMULATIONS, $EMULATIONS, [Supported emulations.])
557 AC_DEFINE_UNQUOTED(DEFAULT_EMULATION, "$DEFAULT_EMULATION",
558 [Default emulation.])
560 case ${primary_bfd_gas}-${target_cpu_type}-${obj_format} in
561 yes-*-coff) need_bfd=yes ;;
562 no-*-coff) need_bfd=yes
563 AC_DEFINE(MANY_SEGMENTS, 1, [old COFF support?]) ;;
566 reject_dev_configs=yes
568 case ${reject_dev_configs}-${dev} in
570 AC_MSG_ERROR(GAS does not support the ${generic_target} configuration.)
574 AC_SUBST(target_cpu_type)
577 AC_SUBST(install_tooldir)
579 dnl AC_SUBST(emulation)
581 case "${primary_bfd_gas}" in
582 yes) AC_DEFINE(BFD_ASSEMBLER, 1, [Use BFD interface?])
586 # do we need the opcodes library?
587 case "${need_opcodes}" in
589 OPCODES_LIB=../opcodes/libopcodes.la
593 case "${need_bfd}" in
595 BFDLIB=../bfd/libbfd.la
596 BFDVER_H=../bfd/bfdver.h
597 ALL_OBJ_DEPS="$ALL_OBJ_DEPS"' ../bfd/bfd.h $(INCDIR)/symcat.h'
602 AC_SUBST(OPCODES_LIB)
605 AC_SUBST(ALL_OBJ_DEPS)
607 AC_DEFINE_UNQUOTED(TARGET_ALIAS, "${target_alias}", [Target alias.])
608 AC_DEFINE_UNQUOTED(TARGET_CANONICAL, "${target}", [Canonical target.])
609 AC_DEFINE_UNQUOTED(TARGET_CPU, "${target_cpu}", [Target CPU.])
610 AC_DEFINE_UNQUOTED(TARGET_VENDOR, "${target_vendor}", [Target vendor.])
611 AC_DEFINE_UNQUOTED(TARGET_OS, "${target_os}", [Target OS.])
618 ALL_LINGUAS="fr tr es rw"
624 AC_CHECK_HEADERS(string.h stdlib.h memory.h strings.h unistd.h stdarg.h varargs.h errno.h sys/types.h)
626 # Put this here so that autoconf's "cross-compiling" message doesn't confuse
627 # people who are not cross-compiling but are compiling cross-assemblers.
628 AC_MSG_CHECKING(whether compiling a cross-assembler)
629 if test "${host}" = "${target}"; then
633 AC_DEFINE(CROSS_COMPILE, 1, [Compiling cross-assembler?])
635 AC_MSG_RESULT($cross_gas)
637 dnl ansidecl.h will deal with const
642 # VMS doesn't have unlink.
643 AC_CHECK_FUNCS(unlink remove, break)
645 # Some systems don't have sbrk().
648 # do we need the math library?
649 case "${need_libm}" in
656 # Some non-ANSI preprocessors botch requoting inside strings. That's bad
657 # enough, but on some of those systems, the assert macro relies on requoting
661 # On some systems, the system header files may not declare malloc, realloc,
662 # and free. There are places where gas needs these functions to have been
663 # declared -- such as when taking their addresses.
671 #ifdef HAVE_STRINGS_H
683 # Does errno.h declare errno, or do we have to add a separate declaration
685 GAS_CHECK_DECL_NEEDED(errno, f, int f, [
691 AC_MSG_CHECKING(for a known getopt prototype in unistd.h)
692 AC_CACHE_VAL(gas_cv_decl_getopt_unistd_h,
693 [AC_TRY_COMPILE([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);],
694 gas_cv_decl_getopt_unistd_h=yes, gas_cv_decl_getopt_unistd_h=no)])
695 AC_MSG_RESULT($gas_cv_decl_getopt_unistd_h)
696 if test $gas_cv_decl_getopt_unistd_h = yes; then
697 AC_DEFINE([HAVE_DECL_GETOPT], 1,
698 [Is the prototype for getopt in <unistd.h> in the expected format?])
701 GAS_CHECK_DECL_NEEDED(environ, f, char **f, $gas_test_headers)
702 GAS_CHECK_DECL_NEEDED(ffs, f, int (*f)(int), $gas_test_headers)
703 GAS_CHECK_DECL_NEEDED(free, f, void (*f)(), $gas_test_headers)
704 GAS_CHECK_DECL_NEEDED(malloc, f, char *(*f)(), $gas_test_headers)
705 GAS_CHECK_DECL_NEEDED(sbrk, f, char *(*f)(), $gas_test_headers)
706 GAS_CHECK_DECL_NEEDED(strstr, f, char *(*f)(), $gas_test_headers)
708 dnl This must come last.
710 dnl We used to make symlinks to files in the source directory, but now
711 dnl we just use the right name for .c files, and create .h files in
712 dnl the build directory which include the right .h file. Make sure
713 dnl the old symlinks don't exist, so that a reconfigure in an existing
714 dnl directory behaves reasonably.
716 AC_CONFIG_FILES(Makefile doc/Makefile po/Makefile.in:po/Make-in)
717 AC_CONFIG_COMMANDS([default],
718 [rm -f targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c itbl-cpu.h
719 echo '#include "tc-'"${target_cpu_type}"'.h"' > targ-cpu.h
720 echo '#include "obj-'"${obj_format}"'.h"' > obj-format.h
721 echo '#include "te-'"${te_file}"'.h"' > targ-env.h
722 echo '#include "itbl-'"${target_cpu_type}"'.h"' > itbl-cpu.h
723 if test "x$cgen_cpu_prefix" != x ; then
724 echo '#include "opcodes/'"${cgen_cpu_prefix}"'-desc.h"' > cgen-desc.h
727 sed -e '/POTFILES =/r po/POTFILES' po/Makefile.in > po/Makefile],
728 [target_cpu_type=${target_cpu_type}
729 cgen_cpu_prefix=${cgen_cpu_prefix}
730 obj_format=${obj_format}