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)
146 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_MSG_ERROR($target_cpu isn't a supported MIPS CPU name)
230 # See whether it's appropriate to set E_MIPS_ABI_O32 for o32
231 # binaries. It's a GNU extension that some OSes don't understand.
232 # The value only matters on ELF targets.
241 # Decide whether to generate 32-bit or 64-bit code by default.
242 # Used to resolve -march=from-abi when an embedded ABI is selected.
244 mips64*-*-* | mipsisa64*-*-*)
251 # Decide which ABI to target by default.
253 mips64*-linux* | mips-sgi-irix6* | mips64*-freebsd* | mips64*-kfreebsd*-gnu)
254 mips_default_abi=N32_ABI
256 mips*-linux* | mips*-freebsd* | mips*-kfreebsd*-gnu)
257 mips_default_abi=O32_ABI
260 mips_default_abi=N64_ABI
263 mips_default_abi=NO_ABI
266 AC_DEFINE_UNQUOTED(MIPS_CPU_STRING_DEFAULT, "$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 | lm32 | 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.])
357 echo ${extra_objects} | grep -s "rx-parse.o"
358 if test $? -ne 0 ; then
359 extra_objects="$extra_objects rx-parse.o"
372 echo ${extra_objects} | grep -s "xtensa-relax.o"
373 if test $? -ne 0 ; then
374 extra_objects="$extra_objects xtensa-relax.o"
382 if test $using_cgen = yes ; then
383 case "x${extra_objects}" in
385 *) extra_objects="$extra_objects cgen.o" ;;
389 # See if we really can support this configuration with the emulation code.
391 if test $this_target = $target ; then
397 vms) extra_objects="$extra_objects te-vms.o" ;;
400 # From target name and format, produce a list of supported emulations.
402 case ${generic_target}-${fmt} in
403 mips-*-irix5*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
404 mips*-*-linux*-* | mips*-*-freebsd* | mips*-*-kfreebsd*-gnu)
406 big) emulation="mipsbelf mipslelf mipself" ;;
407 *) emulation="mipslelf mipsbelf mipself" ;;
409 mips-*-lnews*-ecoff) ;;
410 mips-*-*-ecoff) case "$endian" in
411 big) emulation="mipsbecoff mipslecoff mipsecoff" ;;
412 *) emulation="mipslecoff mipsbecoff mipsecoff" ;;
414 mips-*-*-elf) case "$endian" in
415 big) emulation="mipsbelf mipslelf mipself" ;;
416 *) emulation="mipslelf mipsbelf mipself" ;;
418 mips-*-sysv4*MP*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
419 # i386-pc-pe-coff != i386-pc-coff.
421 # Uncommenting the next line will turn on support for i386 AOUT
422 # for the default linux configuration
423 # i386-*-linux*-elf) emulation="i386elf i386aout" ;;
425 i386-*-aout) emulation="i386aout" ;;
426 i386-*-coff) emulation="i386coff" ;;
427 i386-*-elf) emulation="i386elf" ;;
429 # Always all formats. The first stated emulation becomes the default.
430 cris-*-*aout*) emulation="crisaout criself" ;;
431 cris-*-*) emulation="criself crisaout" ;;
434 emulations="$emulations $emulation"
438 # Turn on all targets if possible
439 if test ${all_targets} = "yes"; then
440 case ${target_cpu_type} in
442 case ${obj_format} in
444 emulations="$emulations i386coff i386elf"
447 emulations="$emulations i386aout i386elf"
450 emulations="$emulations i386aout i386coff"
455 case ${obj_format} in
457 emulations="$emulations i386coff i386elf"
460 emulations="$emulations i386aout i386elf"
463 emulations="$emulations i386aout i386coff"
470 # PE code has way too many macros tweaking behaviour
472 pe*) emulations="" ;;
475 # Assign floating point type. Most processors with FP support
476 # IEEE FP. On those that don't support FP at all, usually IEEE
478 case ${target_cpu} in
479 vax | pdp11 ) atof=vax ;;
483 case "${obj_format}" in
484 "") AC_MSG_ERROR(GAS does not know what format to use for target ${target}) ;;
487 # Unfortunately the cpu in cpu-opc.h file isn't always $(TARGET_CPU).
489 if test $using_cgen = yes ; then
490 case ${target_cpu} in
491 *) cgen_cpu_prefix=${target_cpu} ;;
493 AC_SUBST(cgen_cpu_prefix)
494 AC_DEFINE(USING_CGEN, 1, [Using cgen code?])
498 dnl Make sure the desired support files exist.
501 if test ! -r ${srcdir}/config/tc-${target_cpu_type}.c; then
502 AC_MSG_ERROR(GAS does not support target CPU ${target_cpu_type})
505 if test ! -r ${srcdir}/config/obj-${obj_format}.c; then
506 AC_MSG_ERROR(GAS does not have support for object file format ${obj_format})
509 # Some COFF configurations want these random other flags set.
510 case ${obj_format} in
512 case ${target_cpu_type} in
513 i386) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
514 m68k) AC_DEFINE(M68KCOFF, 1, [Using m68k COFF?]) ;;
515 m88k) AC_DEFINE(M88KCOFF, 1, [Using m88k COFF?]) ;;
516 x86_64) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
521 # Getting this done right is going to be a bitch. Each configuration specified
522 # with --enable-targets=... should be checked for environment, format, cpu
525 # For each configuration, the necessary object file support code must be linked
526 # in. This might be only one, it might be up to four. The necessary emulation
527 # code needs to be provided, too.
529 # And then there's "--enable-targets=all"....
531 # For now, just always do it for MIPS ELF or ECOFF configurations. Sigh.
533 formats="${obj_format}"
537 for em in . $emulations ; do
540 mipsbelf | mipslelf | mipself)
541 fmt=elf file=mipself ;;
542 mipsbecoff | mipslecoff | mipsecoff)
543 fmt=ecoff file=mipsecoff ;;
551 formats="$formats $fmt"
552 emfiles="$emfiles e-$file.o"
553 EMULATIONS="$EMULATIONS &$em,"
557 if test `set . $formats ; shift ; echo $#` -gt 1 ; then
558 for fmt in $formats ; do
560 aout) AC_DEFINE(OBJ_MAYBE_AOUT, 1, [a.out support?]) ;;
561 bout) AC_DEFINE(OBJ_MAYBE_BOUT, 1, [b.out support?]) ;;
562 coff) AC_DEFINE(OBJ_MAYBE_COFF, 1, [COFF support?]) ;;
563 ecoff) AC_DEFINE(OBJ_MAYBE_ECOFF, 1, [ECOFF support?]) ;;
564 elf) AC_DEFINE(OBJ_MAYBE_ELF, 1, [ELF support?]) ;;
565 generic) AC_DEFINE(OBJ_MAYBE_GENERIC, 1, [generic support?]) ;;
566 som) AC_DEFINE(OBJ_MAYBE_SOM, 1, [SOM support?]) ;;
568 extra_objects="$extra_objects obj-$fmt.o"
572 if test `set . $emfiles ; shift ; echo $#` -gt 0 ; then
573 DEFAULT_EMULATION=`set . $emulations ; echo $2`
574 # e-mips* has more than one emulation per file, e-i386* has just one at the
575 # moment. If only one emulation is specified, then don't define
576 # USE_EMULATIONS or include any of the e-files as they will only be bloat.
577 case "${obj_format}${emfiles}" in
579 extra_objects="$extra_objects $emfiles"
580 AC_DEFINE(USE_EMULATIONS, 1, [Use emulation support?]) ;;
583 AC_SUBST(extra_objects)
584 AC_DEFINE_UNQUOTED(EMULATIONS, $EMULATIONS, [Supported emulations.])
585 AC_DEFINE_UNQUOTED(DEFAULT_EMULATION, "$DEFAULT_EMULATION",
586 [Default emulation.])
588 reject_dev_configs=yes
590 case ${reject_dev_configs}-${dev} in
592 AC_MSG_ERROR(GAS does not support the ${generic_target} configuration.)
596 AC_SUBST(target_cpu_type)
599 AC_SUBST(install_tooldir)
601 dnl AC_SUBST(emulation)
603 # do we need the opcodes library?
604 case "${need_opcodes}" in
606 OPCODES_LIB=../opcodes/libopcodes.la
610 AC_SUBST(OPCODES_LIB)
612 AC_DEFINE_UNQUOTED(TARGET_ALIAS, "${target_alias}", [Target alias.])
613 AC_DEFINE_UNQUOTED(TARGET_CANONICAL, "${target}", [Canonical target.])
614 AC_DEFINE_UNQUOTED(TARGET_CPU, "${target_cpu}", [Target CPU.])
615 AC_DEFINE_UNQUOTED(TARGET_VENDOR, "${target_vendor}", [Target vendor.])
616 AC_DEFINE_UNQUOTED(TARGET_OS, "${target_os}", [Target OS.])
621 ALL_LINGUAS="fr tr es rw id ru"
622 ZW_GNU_GETTEXT_SISTER_DIR
626 AM_CONDITIONAL(GENINSRC_NEVER, false)
629 AC_CHECK_HEADERS(string.h stdlib.h memory.h strings.h unistd.h errno.h sys/types.h limits.h time.h sys/stat.h)
631 # Put this here so that autoconf's "cross-compiling" message doesn't confuse
632 # people who are not cross-compiling but are compiling cross-assemblers.
633 AC_MSG_CHECKING(whether compiling a cross-assembler)
634 if test "${host}" = "${target}"; then
638 AC_DEFINE(CROSS_COMPILE, 1, [Compiling cross-assembler?])
640 AC_MSG_RESULT($cross_gas)
642 dnl ansidecl.h will deal with const
647 # VMS doesn't have unlink.
648 AC_CHECK_FUNCS(unlink remove, break)
650 # Some systems don't have sbrk().
653 # do we need the math library?
654 case "${need_libm}" in
661 # Some non-ANSI preprocessors botch requoting inside strings. That's bad
662 # enough, but on some of those systems, the assert macro relies on requoting
666 # On some systems, the system header files may not declare malloc, realloc,
667 # and free. There are places where gas needs these functions to have been
668 # declared -- such as when taking their addresses.
676 #ifdef HAVE_STRINGS_H
688 # Does errno.h declare errno, or do we have to add a separate declaration
690 GAS_CHECK_DECL_NEEDED(errno, f, int f, [
696 AC_MSG_CHECKING(for a known getopt prototype in unistd.h)
697 AC_CACHE_VAL(gas_cv_decl_getopt_unistd_h,
698 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);])],
699 gas_cv_decl_getopt_unistd_h=yes, gas_cv_decl_getopt_unistd_h=no)])
700 AC_MSG_RESULT($gas_cv_decl_getopt_unistd_h)
701 if test $gas_cv_decl_getopt_unistd_h = yes; then
702 AC_DEFINE([HAVE_DECL_GETOPT], 1,
703 [Is the prototype for getopt in <unistd.h> in the expected format?])
706 GAS_CHECK_DECL_NEEDED(environ, f, char **f, $gas_test_headers)
707 GAS_CHECK_DECL_NEEDED(ffs, f, int (*f)(int), $gas_test_headers)
708 GAS_CHECK_DECL_NEEDED(free, f, void (*f)(), $gas_test_headers)
709 GAS_CHECK_DECL_NEEDED(malloc, f, char *(*f)(), $gas_test_headers)
710 GAS_CHECK_DECL_NEEDED(sbrk, f, char *(*f)(), $gas_test_headers)
711 GAS_CHECK_DECL_NEEDED(strstr, f, char *(*f)(), $gas_test_headers)
713 AC_CHECK_DECLS([mempcpy])
714 AC_CHECK_DECLS([vsnprintf])
718 # Link in zlib if we can. This allows us to write compressed debug sections.
721 # Support for VMS timestamps via cross compile
723 if test "$ac_cv_header_time_h" = yes; then
724 GAS_HAVE_TIME_TYPE_MEMBER(struct tm, tm_gmtoff)
727 if test "$ac_cv_header_sys_stat_h" = yes; then
728 GAS_HAVE_SYS_STAT_TYPE_MEMBER(struct stat, st_mtim, tv_sec)
729 GAS_HAVE_SYS_STAT_TYPE_MEMBER(struct stat, st_mtim, tv_nsec)
733 dnl Required for html, pdf, install-pdf and install-html targets.
734 AC_SUBST(datarootdir)
739 dnl This must come last.
741 dnl We used to make symlinks to files in the source directory, but now
742 dnl we just use the right name for .c files, and create .h files in
743 dnl the build directory which include the right .h file. Make sure
744 dnl the old symlinks don't exist, so that a reconfigure in an existing
745 dnl directory behaves reasonably.
747 AC_CONFIG_FILES(Makefile doc/Makefile po/Makefile.in:po/Make-in)
748 AC_CONFIG_COMMANDS([default],
749 [rm -f targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c itbl-cpu.h
750 echo '#include "tc-'"${target_cpu_type}"'.h"' > targ-cpu.h
751 echo '#include "obj-'"${obj_format}"'.h"' > obj-format.h
752 echo '#include "te-'"${te_file}"'.h"' > targ-env.h
753 echo '#include "itbl-'"${target_cpu_type}"'.h"' > itbl-cpu.h
754 if test "x$cgen_cpu_prefix" != x ; then
755 echo '#include "opcodes/'"${cgen_cpu_prefix}"'-desc.h"' > cgen-desc.h
757 [target_cpu_type=${target_cpu_type}
758 cgen_cpu_prefix=${cgen_cpu_prefix}
759 obj_format=${obj_format}