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, ${BFD_VERSION})
28 AC_ARG_ENABLE(targets,
29 [ --enable-targets alternative target configurations besides the primary],
30 [case "${enableval}" in
31 yes | "") AC_ERROR(enable-targets option must specify target names or 'all')
33 no) enable_targets= ;;
34 *) enable_targets=$enableval ;;
37 AC_ARG_ENABLE(commonbfdlib,
38 [ --enable-commonbfdlib build shared BFD/opcodes/libiberty library],
39 [case "${enableval}" in
40 yes) commonbfdlib=true ;;
41 no) commonbfdlib=false ;;
42 *) AC_MSG_ERROR([bad value ${enableval} for BFD commonbfdlib option]) ;;
46 if grep '^RELEASE=y' ${srcdir}/../bfd/Makefile.am >/dev/null 2>/dev/null ; then
49 AC_ARG_ENABLE(checking,
50 [ --enable-checking enable run-time checks],
51 [case "${enableval}" in
52 no|none) ac_checking= ;;
55 if test x$ac_checking != x ; then
56 AC_DEFINE(ENABLE_CHECKING, 1, [Define if you want run-time sanity checks.])
63 # Generate a header file
64 AM_CONFIG_HEADER(config.h:config.in)
66 # If we are on a DOS filesystem, we must use gdb.ini rather than
69 *-*-msdos* | *-*-go32* | *-*-mingw32* | *-*-windows*)
71 AC_CONFIG_FILES(gdb.ini:gdbinit.in)
75 AC_CONFIG_FILES(.gdbinit:gdbinit.in)
80 #We need this for the host. BOUT header is in host order.
85 # Makefile target for installing gas in $(tooldir)/bin.
86 install_tooldir=install-exec-tooldir
90 if test -n "$enable_targets" ; then
91 for t in `echo $enable_targets | sed 's/,/ /g'`; do
92 if test $t = "all"; then
96 result=`$ac_config_sub $t 2>/dev/null`
97 if test -n "$result" ; then
98 canon_targets="$canon_targets $result"
100 # # Permit "all", etc. We don't support it yet though.
101 # canon_targets="$canon_targets $t"
104 GAS_UNIQ(canon_targets)
109 for this_target in $target $canon_targets ; do
112 . ${srcdir}/configure.tgt
114 case ${target_cpu} in
116 AC_DEFINE_UNQUOTED(DEFAULT_CRIS_ARCH, $arch,
117 [Default CRIS architecture.])
121 if test ${this_target} = $target ; then
122 target_cpu_type=${cpu_type}
123 elif test ${target_cpu_type} != ${cpu_type} ; then
127 generic_target=${cpu_type}-${target_vendor}-${target_os}
128 case ${generic_target} in
130 if test ${this_target} = $target; then
131 AC_DEFINE(SCO_ELF, 1, [Define if defaulting to ELF on SCO 5.])
138 AC_DEFINE(STRICTCOFF, 1, [Using strict COFF?])
142 AC_MSG_WARN(GAS support for ${generic_target} is preliminary and a work in progress)
148 AC_MSG_ERROR(Unknown vendor for mips-bsd configuration.)
152 AC_DEFINE(AIX_WEAK_SUPPORT, 1,
153 [Define if using AIX 5.2 value for C_WEAKEXT.])
158 *) AC_MSG_ERROR(GNU/Linux must be configured big endian) ;;
162 if test ${this_target} = $target; then
163 AC_DEFINE(TARGET_SOLARIS_COMMENT, 1,
164 [Define if default target is PowerPC Solaris.])
166 if test x${endian} = xbig; then
167 AC_MSG_ERROR(Solaris must be configured little endian)
172 AC_DEFINE(TARGET_SYMBIAN, 1, [Define if target is Symbian OS.])
176 if test ${this_target} = $target ; then
178 if test x${endian} = xbig; then
180 elif test x${endian} = xlittle; then
183 if test x${endian_def} != x; then
184 AC_DEFINE_UNQUOTED(TARGET_BYTES_BIG_ENDIAN, $endian_def,
185 [Define as 1 if big endian.])
189 # Other random stuff.
193 # Set mips_cpu to the name of the default CPU.
194 case ${target_cpu} in
195 mips | mipsbe | mipseb | mipsle | mipsel | mips64 | mips64el)
198 mipsisa32 | mipsisa32el)
201 mipsisa32r2 | mipsisa32r2el)
204 mipsisa64 | mipsisa64el)
207 mipsisa64r2 | mipsisa64r2el)
210 mipstx39 | mipstx39el)
213 mips64vr | mips64vrel)
216 mipsisa32r2* | mipsisa64r2*)
218 mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..r2//' -e 's/el$//'`
221 mips64* | mipsisa64* | mipsisa32*)
223 mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..//' -e 's/el$//'`
227 AC_ERROR($target_cpu isn't a supported MIPS CPU name)
230 # See whether it's appropriate to set E_MIPS_ABI_O32 for o32
231 # binaries. It's a GNU extension that some OSes don't understand.
232 # The value only matters on ELF targets.
241 # Decide whether to generate 32-bit or 64-bit code by default.
242 # Used to resolve -march=from-abi when an embedded ABI is selected.
244 mips64*-*-* | mipsisa64*-*-*)
251 # Decide which ABI to target by default.
253 mips64*-linux* | mips-sgi-irix6*)
254 mips_default_abi=N32_ABI
257 mips_default_abi=O32_ABI
260 mips_default_abi=N64_ABI
263 mips_default_abi=NO_ABI
266 AC_DEFINE_UNQUOTED(MIPS_CPU_STRING_DEFAULT, "$mips_cpu",
267 [Default CPU for MIPS targets. ])
268 AC_DEFINE_UNQUOTED(USE_E_MIPS_ABI_O32, $use_e_mips_abi_o32,
269 [Allow use of E_MIPS_ABI_O32 on MIPS targets. ])
270 AC_DEFINE_UNQUOTED(MIPS_DEFAULT_64BIT, $mips_default_64bit,
271 [Generate 64-bit code by default on MIPS targets. ])
272 AC_DEFINE_UNQUOTED(MIPS_DEFAULT_ABI, $mips_default_abi,
273 [Choose a default ABI for MIPS targets. ])
277 # Do we need the opcodes library?
285 case "${enable_shared}" in
286 yes) shared_opcodes=true ;;
287 *opcodes*) shared_opcodes=true ;;
288 *) shared_opcodes=false ;;
293 # Any other special object files needed ?
297 echo ${extra_objects} | grep -s "bfin-parse.o"
298 if test $? -ne 0 ; then
299 extra_objects="$extra_objects bfin-parse.o"
302 echo ${extra_objects} | grep -s "bfin-lex.o"
303 if test $? -ne 0 ; then
304 extra_objects="$extra_objects bfin-lex.o"
308 fr30 | ip2k | iq2000 | m32r | openrisc)
319 case ${extra_objects} in
321 *) extra_objects="$extra_objects m68k-parse.o" ;;
330 echo ${extra_objects} | grep -s "itbl-parse.o"
331 if test $? -ne 0 ; then
332 extra_objects="$extra_objects itbl-parse.o"
335 echo ${extra_objects} | grep -s "itbl-lex.o"
336 if test $? -ne 0 ; then
337 extra_objects="$extra_objects itbl-lex.o"
340 echo ${extra_objects} | grep -s "itbl-ops.o"
341 if test $? -ne 0 ; then
342 extra_objects="$extra_objects itbl-ops.o"
351 if test $this_target = $target ; then
352 AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
365 echo ${extra_objects} | grep -s "xtensa-relax.o"
366 if test $? -ne 0 ; then
367 extra_objects="$extra_objects xtensa-relax.o"
375 if test $using_cgen = yes ; then
376 case "x${extra_objects}" in
378 *) extra_objects="$extra_objects cgen.o" ;;
382 # See if we really can support this configuration with the emulation code.
384 if test $this_target = $target ; then
389 # From target name and format, produce a list of supported emulations.
391 case ${generic_target}-${fmt} in
392 mips-*-irix5*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
393 mips*-*-linux*-*) case "$endian" in
394 big) emulation="mipsbelf mipslelf mipself" ;;
395 *) emulation="mipslelf mipsbelf mipself" ;;
397 mips-*-lnews*-ecoff) ;;
398 mips-*-*-ecoff) case "$endian" in
399 big) emulation="mipsbecoff mipslecoff mipsecoff" ;;
400 *) emulation="mipslecoff mipsbecoff mipsecoff" ;;
402 mips-*-*-elf) case "$endian" in
403 big) emulation="mipsbelf mipslelf mipself" ;;
404 *) emulation="mipslelf mipsbelf mipself" ;;
406 mips-*-sysv4*MP*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
407 # i386-pc-pe-coff != i386-pc-coff.
409 # Uncommenting the next line will turn on support for i386 AOUT
410 # for the default linux configuration
411 # i386-*-linux*-elf) emulation="i386elf i386aout" ;;
413 i386-*-aout) emulation="i386aout" ;;
414 i386-*-coff) emulation="i386coff" ;;
415 i386-*-elf) emulation="i386elf" ;;
417 # Always all formats. The first stated emulation becomes the default.
418 cris-*-*aout*) emulation="crisaout criself" ;;
419 cris-*-*) emulation="criself crisaout" ;;
422 emulations="$emulations $emulation"
426 # Turn on all targets if possible
427 if test ${all_targets} = "yes"; then
428 case ${target_cpu_type} in
430 case ${obj_format} in
432 emulations="$emulations i386coff i386elf"
435 emulations="$emulations i386aout i386elf"
438 emulations="$emulations i386aout i386coff"
443 case ${obj_format} in
445 emulations="$emulations i386coff i386elf"
448 emulations="$emulations i386aout i386elf"
451 emulations="$emulations i386aout i386coff"
458 # Assign floating point type. Most processors with FP support
459 # IEEE FP. On those that don't support FP at all, usually IEEE
461 case ${target_cpu} in
462 vax | pdp11 ) atof=vax ;;
466 case "${obj_format}" in
467 "") AC_MSG_ERROR(GAS does not know what format to use for target ${target}) ;;
470 # Unfortunately the cpu in cpu-opc.h file isn't always $(TARGET_CPU).
472 if test $using_cgen = yes ; then
473 case ${target_cpu} in
474 *) cgen_cpu_prefix=${target_cpu} ;;
476 AC_SUBST(cgen_cpu_prefix)
477 AC_DEFINE(USING_CGEN, 1, [Using cgen code?])
481 dnl Make sure the desired support files exist.
484 if test ! -r ${srcdir}/config/tc-${target_cpu_type}.c; then
485 AC_MSG_ERROR(GAS does not support target CPU ${target_cpu_type})
488 if test ! -r ${srcdir}/config/obj-${obj_format}.c; then
489 AC_MSG_ERROR(GAS does not have support for object file format ${obj_format})
492 # Some COFF configurations want these random other flags set.
493 case ${obj_format} in
495 case ${target_cpu_type} in
496 i386) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
497 m68k) AC_DEFINE(M68KCOFF, 1, [Using m68k COFF?]) ;;
498 m88k) AC_DEFINE(M88KCOFF, 1, [Using m88k COFF?]) ;;
499 x86_64) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
504 # Getting this done right is going to be a bitch. Each configuration specified
505 # with --enable-targets=... should be checked for environment, format, cpu
508 # For each configuration, the necessary object file support code must be linked
509 # in. This might be only one, it might be up to four. The necessary emulation
510 # code needs to be provided, too.
512 # And then there's "--enable-targets=all"....
514 # For now, just always do it for MIPS ELF or ECOFF configurations. Sigh.
516 formats="${obj_format}"
520 for em in . $emulations ; do
523 mipsbelf | mipslelf | mipself)
524 fmt=elf file=mipself ;;
525 mipsbecoff | mipslecoff | mipsecoff)
526 fmt=ecoff file=mipsecoff ;;
534 formats="$formats $fmt"
535 emfiles="$emfiles e-$file.o"
536 EMULATIONS="$EMULATIONS &$em,"
540 if test `set . $formats ; shift ; echo $#` -gt 1 ; then
541 for fmt in $formats ; do
543 aout) AC_DEFINE(OBJ_MAYBE_AOUT, 1, [a.out support?]) ;;
544 bout) AC_DEFINE(OBJ_MAYBE_BOUT, 1, [b.out support?]) ;;
545 coff) AC_DEFINE(OBJ_MAYBE_COFF, 1, [COFF support?]) ;;
546 ecoff) AC_DEFINE(OBJ_MAYBE_ECOFF, 1, [ECOFF support?]) ;;
547 elf) AC_DEFINE(OBJ_MAYBE_ELF, 1, [ELF support?]) ;;
548 generic) AC_DEFINE(OBJ_MAYBE_GENERIC, 1, [generic support?]) ;;
549 som) AC_DEFINE(OBJ_MAYBE_SOM, 1, [SOM support?]) ;;
551 extra_objects="$extra_objects obj-$fmt.o"
555 if test `set . $emfiles ; shift ; echo $#` -gt 0 ; then
556 DEFAULT_EMULATION=`set . $emulations ; echo $2`
557 # e-mips* has more than one emulation per file, e-i386* has just one at the
558 # moment. If only one emulation is specified, then don't define
559 # USE_EMULATIONS or include any of the e-files as they will only be bloat.
560 case "${obj_format}${emfiles}" in
562 extra_objects="$extra_objects $emfiles"
563 AC_DEFINE(USE_EMULATIONS, 1, [Use emulation support?]) ;;
566 AC_SUBST(extra_objects)
567 AC_DEFINE_UNQUOTED(EMULATIONS, $EMULATIONS, [Supported emulations.])
568 AC_DEFINE_UNQUOTED(DEFAULT_EMULATION, "$DEFAULT_EMULATION",
569 [Default emulation.])
571 reject_dev_configs=yes
573 case ${reject_dev_configs}-${dev} in
575 AC_MSG_ERROR(GAS does not support the ${generic_target} configuration.)
579 AC_SUBST(target_cpu_type)
582 AC_SUBST(install_tooldir)
584 dnl AC_SUBST(emulation)
586 # do we need the opcodes library?
587 case "${need_opcodes}" in
589 OPCODES_LIB=../opcodes/libopcodes.la
593 AC_SUBST(OPCODES_LIB)
595 AC_DEFINE_UNQUOTED(TARGET_ALIAS, "${target_alias}", [Target alias.])
596 AC_DEFINE_UNQUOTED(TARGET_CANONICAL, "${target}", [Canonical target.])
597 AC_DEFINE_UNQUOTED(TARGET_CPU, "${target_cpu}", [Target CPU.])
598 AC_DEFINE_UNQUOTED(TARGET_VENDOR, "${target_vendor}", [Target vendor.])
599 AC_DEFINE_UNQUOTED(TARGET_OS, "${target_os}", [Target OS.])
604 ALL_LINGUAS="fr tr es rw"
605 ZW_GNU_GETTEXT_SISTER_DIR
609 AM_CONDITIONAL(GENINSRC_NEVER, false)
612 AC_CHECK_HEADERS(string.h stdlib.h memory.h strings.h unistd.h stdarg.h varargs.h errno.h sys/types.h limits.h)
614 # Put this here so that autoconf's "cross-compiling" message doesn't confuse
615 # people who are not cross-compiling but are compiling cross-assemblers.
616 AC_MSG_CHECKING(whether compiling a cross-assembler)
617 if test "${host}" = "${target}"; then
621 AC_DEFINE(CROSS_COMPILE, 1, [Compiling cross-assembler?])
623 AC_MSG_RESULT($cross_gas)
625 dnl ansidecl.h will deal with const
630 # VMS doesn't have unlink.
631 AC_CHECK_FUNCS(unlink remove, break)
633 # Some systems don't have sbrk().
636 # do we need the math library?
637 case "${need_libm}" in
644 # Some non-ANSI preprocessors botch requoting inside strings. That's bad
645 # enough, but on some of those systems, the assert macro relies on requoting
649 # On some systems, the system header files may not declare malloc, realloc,
650 # and free. There are places where gas needs these functions to have been
651 # declared -- such as when taking their addresses.
659 #ifdef HAVE_STRINGS_H
671 # Does errno.h declare errno, or do we have to add a separate declaration
673 GAS_CHECK_DECL_NEEDED(errno, f, int f, [
679 AC_MSG_CHECKING(for a known getopt prototype in unistd.h)
680 AC_CACHE_VAL(gas_cv_decl_getopt_unistd_h,
681 [AC_TRY_COMPILE([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);],
682 gas_cv_decl_getopt_unistd_h=yes, gas_cv_decl_getopt_unistd_h=no)])
683 AC_MSG_RESULT($gas_cv_decl_getopt_unistd_h)
684 if test $gas_cv_decl_getopt_unistd_h = yes; then
685 AC_DEFINE([HAVE_DECL_GETOPT], 1,
686 [Is the prototype for getopt in <unistd.h> in the expected format?])
689 GAS_CHECK_DECL_NEEDED(environ, f, char **f, $gas_test_headers)
690 GAS_CHECK_DECL_NEEDED(ffs, f, int (*f)(int), $gas_test_headers)
691 GAS_CHECK_DECL_NEEDED(free, f, void (*f)(), $gas_test_headers)
692 GAS_CHECK_DECL_NEEDED(malloc, f, char *(*f)(), $gas_test_headers)
693 GAS_CHECK_DECL_NEEDED(sbrk, f, char *(*f)(), $gas_test_headers)
694 GAS_CHECK_DECL_NEEDED(strstr, f, char *(*f)(), $gas_test_headers)
696 AC_CHECK_DECLS([vsnprintf])
700 dnl Required for html and install-html targets.
701 AC_SUBST(datarootdir)
705 dnl This must come last.
707 dnl We used to make symlinks to files in the source directory, but now
708 dnl we just use the right name for .c files, and create .h files in
709 dnl the build directory which include the right .h file. Make sure
710 dnl the old symlinks don't exist, so that a reconfigure in an existing
711 dnl directory behaves reasonably.
713 AC_CONFIG_FILES(Makefile doc/Makefile po/Makefile.in:po/Make-in)
714 AC_CONFIG_COMMANDS([default],
715 [rm -f targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c itbl-cpu.h
716 echo '#include "tc-'"${target_cpu_type}"'.h"' > targ-cpu.h
717 echo '#include "obj-'"${obj_format}"'.h"' > obj-format.h
718 echo '#include "te-'"${te_file}"'.h"' > targ-env.h
719 echo '#include "itbl-'"${target_cpu_type}"'.h"' > itbl-cpu.h
720 if test "x$cgen_cpu_prefix" != x ; then
721 echo '#include "opcodes/'"${cgen_cpu_prefix}"'-desc.h"' > cgen-desc.h
723 [target_cpu_type=${target_cpu_type}
724 cgen_cpu_prefix=${cgen_cpu_prefix}
725 obj_format=${obj_format}