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
10 AC_CONFIG_SRCDIR(as.h)
12 dnl Autoconf 2.57 will find the aux dir without this. However, unless
13 dnl we specify this explicitly, automake-1.7 will assume that ylwrap is in
14 dnl gas/ instead of gas/../.
20 BFD_VERSION=`sed -n -e 's/^.._INIT_AUTOMAKE.*,[ ]*\([^ ]*\)[ ]*).*/\1/p' < ${srcdir}/../bfd/configure.in`
22 AM_INIT_AUTOMAKE(gas, ${BFD_VERSION})
26 AC_USE_SYSTEM_EXTENSIONS
31 AC_ARG_ENABLE(targets,
32 [ --enable-targets alternative target configurations besides the primary],
33 [case "${enableval}" in
34 yes | "") AC_MSG_ERROR(enable-targets option must specify target names or 'all')
36 no) enable_targets= ;;
37 *) enable_targets=$enableval ;;
41 if grep '^RELEASE=y' ${srcdir}/../bfd/Makefile.am >/dev/null 2>/dev/null ; then
44 AC_ARG_ENABLE(checking,
45 [ --enable-checking enable run-time checks],
46 [case "${enableval}" in
47 no|none) ac_checking= ;;
50 if test x$ac_checking != x ; then
51 AC_DEFINE(ENABLE_CHECKING, 1, [Define if you want run-time sanity checks.])
58 # Generate a header file
59 AC_CONFIG_HEADERS(config.h:config.in)
61 # If we are on a DOS filesystem, we must use gdb.ini rather than
64 *-*-msdos* | *-*-go32* | *-*-mingw32* | *-*-windows*)
66 AC_CONFIG_FILES(gdb.ini:gdbinit.in)
70 AC_CONFIG_FILES(.gdbinit:gdbinit.in)
75 #We need this for the host. BOUT header is in host order.
80 # Makefile target for installing gas in $(tooldir)/bin.
81 install_tooldir=install-exec-tooldir
85 if test -n "$enable_targets" ; then
86 for t in `echo $enable_targets | sed 's/,/ /g'`; do
87 if test $t = "all"; then
91 result=`$ac_config_sub $t 2>/dev/null`
92 if test -n "$result" ; then
93 canon_targets="$canon_targets $result"
95 # # Permit "all", etc. We don't support it yet though.
96 # canon_targets="$canon_targets $t"
99 GAS_UNIQ(canon_targets)
104 for this_target in $target $canon_targets ; do
107 . ${srcdir}/configure.tgt
109 case ${target_cpu} in
111 AC_DEFINE_UNQUOTED(DEFAULT_CRIS_ARCH, $arch,
112 [Default CRIS architecture.])
116 if test ${this_target} = $target ; then
117 target_cpu_type=${cpu_type}
118 elif test ${target_cpu_type} != ${cpu_type} ; then
122 generic_target=${cpu_type}-${target_vendor}-${target_os}
123 case ${generic_target} in
125 if test ${this_target} = $target; then
126 AC_DEFINE(SCO_ELF, 1, [Define if defaulting to ELF on SCO 5.])
133 AC_DEFINE(STRICTCOFF, 1, [Using strict COFF?])
137 AC_MSG_WARN(GAS support for ${generic_target} is preliminary and a work in progress)
143 AC_MSG_ERROR(Unknown vendor for mips-bsd configuration.)
149 AC_DEFINE(AIX_WEAK_SUPPORT, 1,
150 [Define if using AIX 5.2 value for C_WEAKEXT.])
155 *) AC_MSG_ERROR(GNU/Linux must be configured big endian) ;;
159 if test ${this_target} = $target; then
160 AC_DEFINE(TARGET_SOLARIS_COMMENT, 1,
161 [Define if default target is PowerPC Solaris.])
163 if test x${endian} = xbig; then
164 AC_MSG_ERROR(Solaris must be configured little endian)
169 AC_DEFINE(TARGET_SYMBIAN, 1, [Define if target is Symbian OS.])
173 if test ${this_target} = $target ; then
175 if test x${endian} = xbig; then
177 elif test x${endian} = xlittle; then
180 if test x${endian_def} != x; then
181 AC_DEFINE_UNQUOTED(TARGET_BYTES_BIG_ENDIAN, $endian_def,
182 [Define as 1 if big endian.])
186 # Other random stuff.
190 # Set mips_cpu to the name of the default CPU.
191 case ${target_cpu} in
192 mips | mipsbe | mipseb | mipsle | mipsel | mips64 | mips64el)
195 mipsisa32 | mipsisa32el)
198 mipsisa32r2 | mipsisa32r2el)
201 mipsisa64 | mipsisa64el)
204 mipsisa64r2 | mipsisa64r2el)
207 mipstx39 | mipstx39el)
210 mips64vr | mips64vrel)
213 mipsisa32r2* | mipsisa64r2*)
215 mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..r2//' -e 's/el$//'`
218 mips64* | mipsisa64* | mipsisa32*)
220 mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..//' -e 's/el$//'`
224 AC_MSG_ERROR($target_cpu isn't a supported MIPS CPU name)
227 # See whether it's appropriate to set E_MIPS_ABI_O32 for o32
228 # binaries. It's a GNU extension that some OSes don't understand.
229 # The value only matters on ELF targets.
238 # Decide whether to generate 32-bit or 64-bit code by default.
239 # Used to resolve -march=from-abi when an embedded ABI is selected.
241 mips64*-*-* | mipsisa64*-*-*)
248 # Decide which ABI to target by default.
250 mips64*-linux* | mips-sgi-irix6*)
251 mips_default_abi=N32_ABI
254 mips_default_abi=O32_ABI
257 mips_default_abi=N64_ABI
260 mips_default_abi=NO_ABI
263 AC_DEFINE_UNQUOTED(MIPS_CPU_STRING_DEFAULT, "$mips_cpu",
264 [Default CPU for MIPS targets. ])
265 AC_DEFINE_UNQUOTED(USE_E_MIPS_ABI_O32, $use_e_mips_abi_o32,
266 [Allow use of E_MIPS_ABI_O32 on MIPS targets. ])
267 AC_DEFINE_UNQUOTED(MIPS_DEFAULT_64BIT, $mips_default_64bit,
268 [Generate 64-bit code by default on MIPS targets. ])
269 AC_DEFINE_UNQUOTED(MIPS_DEFAULT_ABI, $mips_default_abi,
270 [Choose a default ABI for MIPS targets. ])
274 # Do we need the opcodes library?
282 case "${enable_shared}" in
283 yes) shared_opcodes=true ;;
284 *opcodes*) shared_opcodes=true ;;
285 *) shared_opcodes=false ;;
290 # Any other special object files needed ?
294 echo ${extra_objects} | grep -s "bfin-parse.o"
295 if test $? -ne 0 ; then
296 extra_objects="$extra_objects bfin-parse.o"
299 echo ${extra_objects} | grep -s "bfin-lex.o"
300 if test $? -ne 0 ; then
301 extra_objects="$extra_objects bfin-lex.o"
305 fr30 | ip2k | iq2000 | lm32 | m32r | openrisc)
316 case ${extra_objects} in
318 *) extra_objects="$extra_objects m68k-parse.o" ;;
327 echo ${extra_objects} | grep -s "itbl-parse.o"
328 if test $? -ne 0 ; then
329 extra_objects="$extra_objects itbl-parse.o"
332 echo ${extra_objects} | grep -s "itbl-lex.o"
333 if test $? -ne 0 ; then
334 extra_objects="$extra_objects itbl-lex.o"
337 echo ${extra_objects} | grep -s "itbl-ops.o"
338 if test $? -ne 0 ; then
339 extra_objects="$extra_objects itbl-ops.o"
348 if test $this_target = $target ; then
349 AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
362 echo ${extra_objects} | grep -s "xtensa-relax.o"
363 if test $? -ne 0 ; then
364 extra_objects="$extra_objects xtensa-relax.o"
372 if test $using_cgen = yes ; then
373 case "x${extra_objects}" in
375 *) extra_objects="$extra_objects cgen.o" ;;
379 # See if we really can support this configuration with the emulation code.
381 if test $this_target = $target ; then
386 # From target name and format, produce a list of supported emulations.
388 case ${generic_target}-${fmt} in
389 mips-*-irix5*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
390 mips*-*-linux*-*) case "$endian" in
391 big) emulation="mipsbelf mipslelf mipself" ;;
392 *) emulation="mipslelf mipsbelf mipself" ;;
394 mips-*-lnews*-ecoff) ;;
395 mips-*-*-ecoff) case "$endian" in
396 big) emulation="mipsbecoff mipslecoff mipsecoff" ;;
397 *) emulation="mipslecoff mipsbecoff mipsecoff" ;;
399 mips-*-*-elf) case "$endian" in
400 big) emulation="mipsbelf mipslelf mipself" ;;
401 *) emulation="mipslelf mipsbelf mipself" ;;
403 mips-*-sysv4*MP*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
404 # i386-pc-pe-coff != i386-pc-coff.
406 # Uncommenting the next line will turn on support for i386 AOUT
407 # for the default linux configuration
408 # i386-*-linux*-elf) emulation="i386elf i386aout" ;;
410 i386-*-aout) emulation="i386aout" ;;
411 i386-*-coff) emulation="i386coff" ;;
412 i386-*-elf) emulation="i386elf" ;;
414 # Always all formats. The first stated emulation becomes the default.
415 cris-*-*aout*) emulation="crisaout criself" ;;
416 cris-*-*) emulation="criself crisaout" ;;
419 emulations="$emulations $emulation"
423 # Turn on all targets if possible
424 if test ${all_targets} = "yes"; then
425 case ${target_cpu_type} in
427 case ${obj_format} in
429 emulations="$emulations i386coff i386elf"
432 emulations="$emulations i386aout i386elf"
435 emulations="$emulations i386aout i386coff"
440 case ${obj_format} in
442 emulations="$emulations i386coff i386elf"
445 emulations="$emulations i386aout i386elf"
448 emulations="$emulations i386aout i386coff"
455 # Assign floating point type. Most processors with FP support
456 # IEEE FP. On those that don't support FP at all, usually IEEE
458 case ${target_cpu} in
459 vax | pdp11 ) atof=vax ;;
463 case "${obj_format}" in
464 "") AC_MSG_ERROR(GAS does not know what format to use for target ${target}) ;;
467 # Unfortunately the cpu in cpu-opc.h file isn't always $(TARGET_CPU).
469 if test $using_cgen = yes ; then
470 case ${target_cpu} in
471 *) cgen_cpu_prefix=${target_cpu} ;;
473 AC_SUBST(cgen_cpu_prefix)
474 AC_DEFINE(USING_CGEN, 1, [Using cgen code?])
478 dnl Make sure the desired support files exist.
481 if test ! -r ${srcdir}/config/tc-${target_cpu_type}.c; then
482 AC_MSG_ERROR(GAS does not support target CPU ${target_cpu_type})
485 if test ! -r ${srcdir}/config/obj-${obj_format}.c; then
486 AC_MSG_ERROR(GAS does not have support for object file format ${obj_format})
489 # Some COFF configurations want these random other flags set.
490 case ${obj_format} in
492 case ${target_cpu_type} in
493 i386) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
494 m68k) AC_DEFINE(M68KCOFF, 1, [Using m68k COFF?]) ;;
495 m88k) AC_DEFINE(M88KCOFF, 1, [Using m88k COFF?]) ;;
496 x86_64) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
501 # Getting this done right is going to be a bitch. Each configuration specified
502 # with --enable-targets=... should be checked for environment, format, cpu
505 # For each configuration, the necessary object file support code must be linked
506 # in. This might be only one, it might be up to four. The necessary emulation
507 # code needs to be provided, too.
509 # And then there's "--enable-targets=all"....
511 # For now, just always do it for MIPS ELF or ECOFF configurations. Sigh.
513 formats="${obj_format}"
517 for em in . $emulations ; do
520 mipsbelf | mipslelf | mipself)
521 fmt=elf file=mipself ;;
522 mipsbecoff | mipslecoff | mipsecoff)
523 fmt=ecoff file=mipsecoff ;;
531 formats="$formats $fmt"
532 emfiles="$emfiles e-$file.o"
533 EMULATIONS="$EMULATIONS &$em,"
537 if test `set . $formats ; shift ; echo $#` -gt 1 ; then
538 for fmt in $formats ; do
540 aout) AC_DEFINE(OBJ_MAYBE_AOUT, 1, [a.out support?]) ;;
541 bout) AC_DEFINE(OBJ_MAYBE_BOUT, 1, [b.out support?]) ;;
542 coff) AC_DEFINE(OBJ_MAYBE_COFF, 1, [COFF support?]) ;;
543 ecoff) AC_DEFINE(OBJ_MAYBE_ECOFF, 1, [ECOFF support?]) ;;
544 elf) AC_DEFINE(OBJ_MAYBE_ELF, 1, [ELF support?]) ;;
545 generic) AC_DEFINE(OBJ_MAYBE_GENERIC, 1, [generic support?]) ;;
546 som) AC_DEFINE(OBJ_MAYBE_SOM, 1, [SOM support?]) ;;
548 extra_objects="$extra_objects obj-$fmt.o"
552 if test `set . $emfiles ; shift ; echo $#` -gt 0 ; then
553 DEFAULT_EMULATION=`set . $emulations ; echo $2`
554 # e-mips* has more than one emulation per file, e-i386* has just one at the
555 # moment. If only one emulation is specified, then don't define
556 # USE_EMULATIONS or include any of the e-files as they will only be bloat.
557 case "${obj_format}${emfiles}" in
559 extra_objects="$extra_objects $emfiles"
560 AC_DEFINE(USE_EMULATIONS, 1, [Use emulation support?]) ;;
563 AC_SUBST(extra_objects)
564 AC_DEFINE_UNQUOTED(EMULATIONS, $EMULATIONS, [Supported emulations.])
565 AC_DEFINE_UNQUOTED(DEFAULT_EMULATION, "$DEFAULT_EMULATION",
566 [Default emulation.])
568 reject_dev_configs=yes
570 case ${reject_dev_configs}-${dev} in
572 AC_MSG_ERROR(GAS does not support the ${generic_target} configuration.)
576 AC_SUBST(target_cpu_type)
579 AC_SUBST(install_tooldir)
581 dnl AC_SUBST(emulation)
583 # do we need the opcodes library?
584 case "${need_opcodes}" in
586 OPCODES_LIB=../opcodes/libopcodes.la
590 AC_SUBST(OPCODES_LIB)
592 AC_DEFINE_UNQUOTED(TARGET_ALIAS, "${target_alias}", [Target alias.])
593 AC_DEFINE_UNQUOTED(TARGET_CANONICAL, "${target}", [Canonical target.])
594 AC_DEFINE_UNQUOTED(TARGET_CPU, "${target_cpu}", [Target CPU.])
595 AC_DEFINE_UNQUOTED(TARGET_VENDOR, "${target_vendor}", [Target vendor.])
596 AC_DEFINE_UNQUOTED(TARGET_OS, "${target_os}", [Target OS.])
601 ALL_LINGUAS="fr tr es rw id"
602 ZW_GNU_GETTEXT_SISTER_DIR
606 AM_CONDITIONAL(GENINSRC_NEVER, false)
609 AC_CHECK_HEADERS(string.h stdlib.h memory.h strings.h unistd.h stdarg.h varargs.h errno.h sys/types.h limits.h)
611 # Put this here so that autoconf's "cross-compiling" message doesn't confuse
612 # people who are not cross-compiling but are compiling cross-assemblers.
613 AC_MSG_CHECKING(whether compiling a cross-assembler)
614 if test "${host}" = "${target}"; then
618 AC_DEFINE(CROSS_COMPILE, 1, [Compiling cross-assembler?])
620 AC_MSG_RESULT($cross_gas)
622 dnl ansidecl.h will deal with const
627 # VMS doesn't have unlink.
628 AC_CHECK_FUNCS(unlink remove, break)
630 # Some systems don't have sbrk().
633 # do we need the math library?
634 case "${need_libm}" in
641 # Some non-ANSI preprocessors botch requoting inside strings. That's bad
642 # enough, but on some of those systems, the assert macro relies on requoting
646 # On some systems, the system header files may not declare malloc, realloc,
647 # and free. There are places where gas needs these functions to have been
648 # declared -- such as when taking their addresses.
656 #ifdef HAVE_STRINGS_H
668 # Does errno.h declare errno, or do we have to add a separate declaration
670 GAS_CHECK_DECL_NEEDED(errno, f, int f, [
676 AC_MSG_CHECKING(for a known getopt prototype in unistd.h)
677 AC_CACHE_VAL(gas_cv_decl_getopt_unistd_h,
678 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);])],
679 gas_cv_decl_getopt_unistd_h=yes, gas_cv_decl_getopt_unistd_h=no)])
680 AC_MSG_RESULT($gas_cv_decl_getopt_unistd_h)
681 if test $gas_cv_decl_getopt_unistd_h = yes; then
682 AC_DEFINE([HAVE_DECL_GETOPT], 1,
683 [Is the prototype for getopt in <unistd.h> in the expected format?])
686 GAS_CHECK_DECL_NEEDED(environ, f, char **f, $gas_test_headers)
687 GAS_CHECK_DECL_NEEDED(ffs, f, int (*f)(int), $gas_test_headers)
688 GAS_CHECK_DECL_NEEDED(free, f, void (*f)(), $gas_test_headers)
689 GAS_CHECK_DECL_NEEDED(malloc, f, char *(*f)(), $gas_test_headers)
690 GAS_CHECK_DECL_NEEDED(sbrk, f, char *(*f)(), $gas_test_headers)
691 GAS_CHECK_DECL_NEEDED(strstr, f, char *(*f)(), $gas_test_headers)
693 AC_CHECK_DECLS([vsnprintf])
697 dnl Required for html, pdf, install-pdf and install-html targets.
698 AC_SUBST(datarootdir)
703 dnl This must come last.
705 dnl We used to make symlinks to files in the source directory, but now
706 dnl we just use the right name for .c files, and create .h files in
707 dnl the build directory which include the right .h file. Make sure
708 dnl the old symlinks don't exist, so that a reconfigure in an existing
709 dnl directory behaves reasonably.
711 AC_CONFIG_FILES(Makefile doc/Makefile po/Makefile.in:po/Make-in)
712 AC_CONFIG_COMMANDS([default],
713 [rm -f targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c itbl-cpu.h
714 echo '#include "tc-'"${target_cpu_type}"'.h"' > targ-cpu.h
715 echo '#include "obj-'"${obj_format}"'.h"' > obj-format.h
716 echo '#include "te-'"${te_file}"'.h"' > targ-env.h
717 echo '#include "itbl-'"${target_cpu_type}"'.h"' > itbl-cpu.h
718 if test "x$cgen_cpu_prefix" != x ; then
719 echo '#include "opcodes/'"${cgen_cpu_prefix}"'-desc.h"' > cgen-desc.h
721 [target_cpu_type=${target_cpu_type}
722 cgen_cpu_prefix=${cgen_cpu_prefix}
723 obj_format=${obj_format}