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($target_cpu isn't a supported MIPS CPU name)
220 # See whether it's appropriate to set E_MIPS_ABI_O32 for o32
221 # binaries. It's a GNU extension that some OSes don't understand.
222 # The value only matters on ELF targets.
231 # Decide whether to generate 32-bit or 64-bit code by default.
232 # Used to resolve -march=from-abi when an embedded ABI is selected.
234 mips64*-*-* | mipsisa64*-*-*)
241 # Decide which ABI to target by default.
243 mips64*-linux* | mips-sgi-irix6*)
244 mips_default_abi=N32_ABI
247 mips_default_abi=O32_ABI
250 mips_default_abi=NO_ABI
253 AC_DEFINE_UNQUOTED(MIPS_CPU_STRING_DEFAULT, "$mips_cpu",
254 [Default CPU for MIPS targets. ])
255 AC_DEFINE_UNQUOTED(USE_E_MIPS_ABI_O32, $use_e_mips_abi_o32,
256 [Allow use of E_MIPS_ABI_O32 on MIPS targets. ])
257 AC_DEFINE_UNQUOTED(MIPS_DEFAULT_64BIT, $mips_default_64bit,
258 [Generate 64-bit code by default on MIPS targets. ])
259 AC_DEFINE_UNQUOTED(MIPS_DEFAULT_ABI, $mips_default_abi,
260 [Choose a default ABI for MIPS targets. ])
264 # Do we need the opcodes library?
272 case "${enable_shared}" in
273 yes) shared_opcodes=true ;;
274 *opcodes*) shared_opcodes=true ;;
275 *) shared_opcodes=false ;;
277 if test "${shared_opcodes}" = "true"; then
278 # A shared libopcodes must be linked against libbfd.
284 # Any other special object files needed ?
286 fr30 | ip2k | iq2000 | m32r | openrisc)
294 case ${extra_objects} in
296 *) extra_objects="$extra_objects m68k-parse.o" ;;
301 echo ${extra_objects} | grep -s "itbl-parse.o"
302 if test $? -ne 0 ; then
303 extra_objects="$extra_objects itbl-parse.o"
306 echo ${extra_objects} | grep -s "itbl-lex.o"
307 if test $? -ne 0 ; then
308 extra_objects="$extra_objects itbl-lex.o"
311 echo ${extra_objects} | grep -s "itbl-ops.o"
312 if test $? -ne 0 ; then
313 extra_objects="$extra_objects itbl-ops.o"
318 if test $this_target = $target ; then
319 AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
328 echo ${extra_objects} | grep -s "xtensa-relax.o"
329 if test $? -ne 0 ; then
330 extra_objects="$extra_objects xtensa-relax.o"
338 if test $using_cgen = yes ; then
339 case "x${extra_objects}" in
341 *) extra_objects="$extra_objects cgen.o" ;;
345 # See if we really can support this configuration with the emulation code.
347 if test $this_target = $target ; then
348 primary_bfd_gas=$bfd_gas
352 if test $bfd_gas = no ; then
353 # Can't support other configurations this way.
356 elif test $bfd_gas = no ; then
357 # Can't support this configuration.
361 # From target name and format, produce a list of supported emulations.
363 case ${generic_target}-${fmt} in
364 mips-*-irix5*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
365 mips*-*-linux*-*) case "$endian" in
366 big) emulation="mipsbelf mipslelf mipself" ;;
367 *) emulation="mipslelf mipsbelf mipself" ;;
369 mips-*-lnews*-ecoff) ;;
370 mips-*-*-ecoff) case "$endian" in
371 big) emulation="mipsbecoff mipslecoff mipsecoff" ;;
372 *) emulation="mipslecoff mipsbecoff mipsecoff" ;;
374 mips-*-*-elf) case "$endian" in
375 big) emulation="mipsbelf mipslelf mipself" ;;
376 *) emulation="mipslelf mipsbelf mipself" ;;
378 mips-*-sysv4*MP*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
379 # i386-pc-pe-coff != i386-pc-coff.
381 # Uncommenting the next line will turn on support for i386 AOUT
382 # for the default linux configuration
383 # i386-*-linux*-elf) emulation="i386elf i386aout" ;;
385 i386-*-aout) emulation="i386aout" ;;
386 i386-*-coff) emulation="i386coff" ;;
387 i386-*-elf) emulation="i386elf" ;;
389 # Always all formats. The first stated emulation becomes the default.
390 cris-*-*aout*) emulation="crisaout criself" ;;
391 cris-*-*) emulation="criself crisaout" ;;
394 emulations="$emulations $emulation"
398 # Turn on all targets if possible
399 if test ${all_targets} = "yes"; then
400 case ${target_cpu_type} in
402 case ${obj_format} in
404 emulations="$emulations i386coff i386elf"
407 emulations="$emulations i386aout i386elf"
410 emulations="$emulations i386aout i386coff"
417 # Assign floating point type. Most processors with FP support
418 # IEEE FP. On those that don't support FP at all, usually IEEE
420 case ${target_cpu} in
421 vax | tahoe ) atof=${target_cpu} ;;
426 case "${obj_format}" in
427 "") AC_MSG_ERROR(GAS does not know what format to use for target ${target}) ;;
430 # Unfortunately the cpu in cpu-opc.h file isn't always $(TARGET_CPU).
432 if test $using_cgen = yes ; then
433 case ${target_cpu} in
434 *) cgen_cpu_prefix=${target_cpu} ;;
436 AC_SUBST(cgen_cpu_prefix)
437 AC_DEFINE(USING_CGEN, 1, [Using cgen code?])
441 dnl Make sure the desired support files exist.
444 if test ! -r ${srcdir}/config/tc-${target_cpu_type}.c; then
445 AC_MSG_ERROR(GAS does not support target CPU ${target_cpu_type})
448 if test ! -r ${srcdir}/config/obj-${obj_format}.c; then
449 AC_MSG_ERROR(GAS does not have support for object file format ${obj_format})
452 case ${user_bfd_gas}-${primary_bfd_gas} in
454 # We didn't override user's choice.
457 AC_MSG_WARN(Use of BFD is required for ${target}; overriding config options.)
469 # User specified nothing.
473 # Some COFF configurations want these random other flags set.
474 case ${obj_format} in
476 case ${target_cpu_type} in
477 i386) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
478 m68k) AC_DEFINE(M68KCOFF, 1, [Using m68k COFF?]) ;;
479 m88k) AC_DEFINE(M88KCOFF, 1, [Using m88k COFF?]) ;;
484 # Getting this done right is going to be a bitch. Each configuration specified
485 # with --enable-targets=... should be checked for environment, format, cpu, and
488 # For each configuration, the necessary object file support code must be linked
489 # in. This might be only one, it might be up to four. The necessary emulation
490 # code needs to be provided, too.
492 # And then there's "--enable-targets=all"....
494 # For now, just always do it for MIPS ELF or ECOFF configurations. Sigh.
496 formats="${obj_format}"
500 for em in . $emulations ; do
503 mipsbelf | mipslelf | mipself)
504 fmt=elf file=mipself ;;
505 mipsbecoff | mipslecoff | mipsecoff)
506 fmt=ecoff file=mipsecoff ;;
514 formats="$formats $fmt"
515 emfiles="$emfiles e-$file.o"
516 EMULATIONS="$EMULATIONS &$em,"
520 if test `set . $formats ; shift ; echo $#` -gt 1 ; then
521 for fmt in $formats ; do
523 aout) AC_DEFINE(OBJ_MAYBE_AOUT, 1, [a.out support?]) ;;
524 bout) AC_DEFINE(OBJ_MAYBE_BOUT, 1, [b.out support?]) ;;
525 coff) AC_DEFINE(OBJ_MAYBE_COFF, 1, [COFF support?]) ;;
526 ecoff) AC_DEFINE(OBJ_MAYBE_ECOFF, 1, [ECOFF support?]) ;;
527 elf) AC_DEFINE(OBJ_MAYBE_ELF, 1, [ELF support?]) ;;
528 generic) AC_DEFINE(OBJ_MAYBE_GENERIC, 1, [generic support?]) ;;
529 hp300) AC_DEFINE(OBJ_MAYBE_HP300, 1, [HP300 support?]) ;;
530 ieee) AC_DEFINE(OBJ_MAYBE_IEEE, 1, [IEEE support?]) ;;
531 som) AC_DEFINE(OBJ_MAYBE_SOM, 1, [SOM support?]) ;;
533 extra_objects="$extra_objects obj-$fmt.o"
537 if test `set . $emfiles ; shift ; echo $#` -gt 0 ; then
538 DEFAULT_EMULATION=`set . $emulations ; echo $2`
539 # e-mips* has more than one emulation per file, e-i386* has just one at the
540 # moment. If only one emulation is specified, then don't define
541 # USE_EMULATIONS or include any of the e-files as they will only be bloat.
542 case "${obj_format}${emfiles}" in
544 extra_objects="$extra_objects $emfiles"
545 AC_DEFINE(USE_EMULATIONS, 1, [Use emulation support?]) ;;
548 AC_SUBST(extra_objects)
549 AC_DEFINE_UNQUOTED(EMULATIONS, $EMULATIONS, [Supported emulations.])
550 AC_DEFINE_UNQUOTED(DEFAULT_EMULATION, "$DEFAULT_EMULATION",
551 [Default emulation.])
553 case ${primary_bfd_gas}-${target_cpu_type}-${obj_format} in
554 yes-*-coff) need_bfd=yes ;;
555 no-*-coff) need_bfd=yes
556 AC_DEFINE(MANY_SEGMENTS, 1, [old COFF support?]) ;;
559 reject_dev_configs=yes
561 case ${reject_dev_configs}-${dev} in
563 AC_MSG_ERROR(GAS does not support the ${generic_target} configuration.)
567 AC_SUBST(target_cpu_type)
570 AC_SUBST(install_tooldir)
572 dnl AC_SUBST(emulation)
574 case "${primary_bfd_gas}" in
575 yes) AC_DEFINE(BFD_ASSEMBLER, 1, [Use BFD interface?])
579 # do we need the opcodes library?
580 case "${need_opcodes}" in
582 OPCODES_LIB=../opcodes/libopcodes.la
586 case "${need_bfd}" in
588 BFDLIB=../bfd/libbfd.la
589 BFDVER_H=../bfd/bfdver.h
590 ALL_OBJ_DEPS="$ALL_OBJ_DEPS"' ../bfd/bfd.h $(INCDIR)/symcat.h'
595 AC_SUBST(OPCODES_LIB)
598 AC_SUBST(ALL_OBJ_DEPS)
600 AC_DEFINE_UNQUOTED(TARGET_ALIAS, "${target_alias}", [Target alias.])
601 AC_DEFINE_UNQUOTED(TARGET_CANONICAL, "${target}", [Canonical target.])
602 AC_DEFINE_UNQUOTED(TARGET_CPU, "${target_cpu}", [Target CPU.])
603 AC_DEFINE_UNQUOTED(TARGET_VENDOR, "${target_vendor}", [Target vendor.])
604 AC_DEFINE_UNQUOTED(TARGET_OS, "${target_os}", [Target OS.])
611 ALL_LINGUAS="fr tr es rw"
617 AC_CHECK_HEADERS(string.h stdlib.h memory.h strings.h unistd.h stdarg.h varargs.h errno.h sys/types.h)
619 # Put this here so that autoconf's "cross-compiling" message doesn't confuse
620 # people who are not cross-compiling but are compiling cross-assemblers.
621 AC_MSG_CHECKING(whether compiling a cross-assembler)
622 if test "${host}" = "${target}"; then
626 AC_DEFINE(CROSS_COMPILE, 1, [Compiling cross-assembler?])
628 AC_MSG_RESULT($cross_gas)
630 dnl ansidecl.h will deal with const
635 # VMS doesn't have unlink.
636 AC_CHECK_FUNCS(unlink remove, break)
638 # Some systems don't have sbrk().
641 # do we need the math library?
642 case "${need_libm}" in
649 # Some non-ANSI preprocessors botch requoting inside strings. That's bad
650 # enough, but on some of those systems, the assert macro relies on requoting
654 # On some systems, the system header files may not declare malloc, realloc,
655 # and free. There are places where gas needs these functions to have been
656 # declared -- such as when taking their addresses.
664 #ifdef HAVE_STRINGS_H
676 # Does errno.h declare errno, or do we have to add a separate declaration
678 GAS_CHECK_DECL_NEEDED(errno, f, int f, [
684 AC_MSG_CHECKING(for a known getopt prototype in unistd.h)
685 AC_CACHE_VAL(gas_cv_decl_getopt_unistd_h,
686 [AC_TRY_COMPILE([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);],
687 gas_cv_decl_getopt_unistd_h=yes, gas_cv_decl_getopt_unistd_h=no)])
688 AC_MSG_RESULT($gas_cv_decl_getopt_unistd_h)
689 if test $gas_cv_decl_getopt_unistd_h = yes; then
690 AC_DEFINE([HAVE_DECL_GETOPT], 1,
691 [Is the prototype for getopt in <unistd.h> in the expected format?])
694 GAS_CHECK_DECL_NEEDED(environ, f, char **f, $gas_test_headers)
695 GAS_CHECK_DECL_NEEDED(ffs, f, int (*f)(int), $gas_test_headers)
696 GAS_CHECK_DECL_NEEDED(free, f, void (*f)(), $gas_test_headers)
697 GAS_CHECK_DECL_NEEDED(malloc, f, char *(*f)(), $gas_test_headers)
698 GAS_CHECK_DECL_NEEDED(sbrk, f, char *(*f)(), $gas_test_headers)
699 GAS_CHECK_DECL_NEEDED(strstr, f, char *(*f)(), $gas_test_headers)
701 dnl This must come last.
703 dnl We used to make symlinks to files in the source directory, but now
704 dnl we just use the right name for .c files, and create .h files in
705 dnl the build directory which include the right .h file. Make sure
706 dnl the old symlinks don't exist, so that a reconfigure in an existing
707 dnl directory behaves reasonably.
709 AC_CONFIG_FILES(Makefile doc/Makefile po/Makefile.in:po/Make-in)
710 AC_CONFIG_COMMANDS([default],
711 [rm -f targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c itbl-cpu.h
712 echo '#include "tc-'"${target_cpu_type}"'.h"' > targ-cpu.h
713 echo '#include "obj-'"${obj_format}"'.h"' > obj-format.h
714 echo '#include "te-'"${te_file}"'.h"' > targ-env.h
715 echo '#include "itbl-'"${target_cpu_type}"'.h"' > itbl-cpu.h
716 if test "x$cgen_cpu_prefix" != x ; then
717 echo '#include "opcodes/'"${cgen_cpu_prefix}"'-desc.h"' > cgen-desc.h
720 sed -e '/POTFILES =/r po/POTFILES' po/Makefile.in > po/Makefile],
721 [target_cpu_type=${target_cpu_type}
722 cgen_cpu_prefix=${cgen_cpu_prefix}
723 obj_format=${obj_format}