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 epiphany | 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 "rl78-parse.o"
358 if test $? -ne 0 ; then
359 extra_objects="$extra_objects rl78-parse.o"
364 echo ${extra_objects} | grep -s "rx-parse.o"
365 if test $? -ne 0 ; then
366 extra_objects="$extra_objects rx-parse.o"
379 echo ${extra_objects} | grep -s "xtensa-relax.o"
380 if test $? -ne 0 ; then
381 extra_objects="$extra_objects xtensa-relax.o"
389 if test $using_cgen = yes ; then
390 case "x${extra_objects}" in
392 *) extra_objects="$extra_objects cgen.o" ;;
396 # See if we really can support this configuration with the emulation code.
398 if test $this_target = $target ; then
404 vms) extra_objects="$extra_objects te-vms.o" ;;
407 # From target name and format, produce a list of supported emulations.
409 case ${generic_target}-${fmt} in
410 mips-*-irix5*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
411 mips*-*-linux*-* | mips*-*-freebsd* | mips*-*-kfreebsd*-gnu)
413 big) emulation="mipsbelf mipslelf mipself" ;;
414 *) emulation="mipslelf mipsbelf mipself" ;;
416 mips-*-lnews*-ecoff) ;;
417 mips-*-*-ecoff) case "$endian" in
418 big) emulation="mipsbecoff mipslecoff mipsecoff" ;;
419 *) emulation="mipslecoff mipsbecoff mipsecoff" ;;
421 mips-*-*-elf) case "$endian" in
422 big) emulation="mipsbelf mipslelf mipself" ;;
423 *) emulation="mipslelf mipsbelf mipself" ;;
425 mips-*-sysv4*MP*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
426 # i386-pc-pe-coff != i386-pc-coff.
428 # Uncommenting the next line will turn on support for i386 AOUT
429 # for the default linux configuration
430 # i386-*-linux*-elf) emulation="i386elf i386aout" ;;
432 i386-*-aout) emulation="i386aout" ;;
433 i386-*-coff) emulation="i386coff" ;;
434 i386-*-elf) emulation="i386elf" ;;
436 # Always all formats. The first stated emulation becomes the default.
437 cris-*-*aout*) emulation="crisaout criself" ;;
438 cris-*-*) emulation="criself crisaout" ;;
441 emulations="$emulations $emulation"
445 # Turn on all targets if possible
446 if test ${all_targets} = "yes"; then
447 case ${target_cpu_type} in
449 case ${obj_format} in
451 emulations="$emulations i386coff i386elf"
454 emulations="$emulations i386aout i386elf"
457 emulations="$emulations i386aout i386coff"
462 case ${obj_format} in
464 emulations="$emulations i386coff i386elf"
467 emulations="$emulations i386aout i386elf"
470 emulations="$emulations i386aout i386coff"
477 # PE code has way too many macros tweaking behaviour
479 pe*) emulations="" ;;
482 # Assign floating point type. Most processors with FP support
483 # IEEE FP. On those that don't support FP at all, usually IEEE
485 case ${target_cpu} in
486 vax | pdp11 ) atof=vax ;;
490 case "${obj_format}" in
491 "") AC_MSG_ERROR(GAS does not know what format to use for target ${target}) ;;
494 # Unfortunately the cpu in cpu-opc.h file isn't always $(TARGET_CPU).
496 if test $using_cgen = yes ; then
497 case ${target_cpu} in
498 *) cgen_cpu_prefix=${target_cpu} ;;
500 AC_SUBST(cgen_cpu_prefix)
501 AC_DEFINE(USING_CGEN, 1, [Using cgen code?])
505 dnl Make sure the desired support files exist.
508 if test ! -r ${srcdir}/config/tc-${target_cpu_type}.c; then
509 AC_MSG_ERROR(GAS does not support target CPU ${target_cpu_type})
512 if test ! -r ${srcdir}/config/obj-${obj_format}.c; then
513 AC_MSG_ERROR(GAS does not have support for object file format ${obj_format})
516 # Some COFF configurations want these random other flags set.
517 case ${obj_format} in
519 case ${target_cpu_type} in
520 i386) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
521 m68k) AC_DEFINE(M68KCOFF, 1, [Using m68k COFF?]) ;;
522 m88k) AC_DEFINE(M88KCOFF, 1, [Using m88k COFF?]) ;;
523 x86_64) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
528 # Getting this done right is going to be a bitch. Each configuration specified
529 # with --enable-targets=... should be checked for environment, format, cpu
532 # For each configuration, the necessary object file support code must be linked
533 # in. This might be only one, it might be up to four. The necessary emulation
534 # code needs to be provided, too.
536 # And then there's "--enable-targets=all"....
538 # For now, just always do it for MIPS ELF or ECOFF configurations. Sigh.
540 formats="${obj_format}"
544 for em in . $emulations ; do
547 mipsbelf | mipslelf | mipself)
548 fmt=elf file=mipself ;;
549 mipsbecoff | mipslecoff | mipsecoff)
550 fmt=ecoff file=mipsecoff ;;
558 formats="$formats $fmt"
559 emfiles="$emfiles e-$file.o"
560 EMULATIONS="$EMULATIONS &$em,"
564 if test `set . $formats ; shift ; echo $#` -gt 1 ; then
565 for fmt in $formats ; do
567 aout) AC_DEFINE(OBJ_MAYBE_AOUT, 1, [a.out support?]) ;;
568 bout) AC_DEFINE(OBJ_MAYBE_BOUT, 1, [b.out support?]) ;;
569 coff) AC_DEFINE(OBJ_MAYBE_COFF, 1, [COFF support?]) ;;
570 ecoff) AC_DEFINE(OBJ_MAYBE_ECOFF, 1, [ECOFF support?]) ;;
571 elf) AC_DEFINE(OBJ_MAYBE_ELF, 1, [ELF support?]) ;;
572 generic) AC_DEFINE(OBJ_MAYBE_GENERIC, 1, [generic support?]) ;;
573 som) AC_DEFINE(OBJ_MAYBE_SOM, 1, [SOM support?]) ;;
575 extra_objects="$extra_objects obj-$fmt.o"
579 if test `set . $emfiles ; shift ; echo $#` -gt 0 ; then
580 DEFAULT_EMULATION=`set . $emulations ; echo $2`
581 # e-mips* has more than one emulation per file, e-i386* has just one at the
582 # moment. If only one emulation is specified, then don't define
583 # USE_EMULATIONS or include any of the e-files as they will only be bloat.
584 case "${obj_format}${emfiles}" in
586 extra_objects="$extra_objects $emfiles"
587 AC_DEFINE(USE_EMULATIONS, 1, [Use emulation support?]) ;;
590 AC_SUBST(extra_objects)
591 AC_DEFINE_UNQUOTED(EMULATIONS, $EMULATIONS, [Supported emulations.])
592 AC_DEFINE_UNQUOTED(DEFAULT_EMULATION, "$DEFAULT_EMULATION",
593 [Default emulation.])
595 reject_dev_configs=yes
597 case ${reject_dev_configs}-${dev} in
599 AC_MSG_ERROR(GAS does not support the ${generic_target} configuration.)
603 AC_SUBST(target_cpu_type)
606 AC_SUBST(install_tooldir)
608 dnl AC_SUBST(emulation)
610 # do we need the opcodes library?
611 case "${need_opcodes}" in
613 OPCODES_LIB=../opcodes/libopcodes.la
617 AC_SUBST(OPCODES_LIB)
619 AC_DEFINE_UNQUOTED(TARGET_ALIAS, "${target_alias}", [Target alias.])
620 AC_DEFINE_UNQUOTED(TARGET_CANONICAL, "${target}", [Canonical target.])
621 AC_DEFINE_UNQUOTED(TARGET_CPU, "${target_cpu}", [Target CPU.])
622 AC_DEFINE_UNQUOTED(TARGET_VENDOR, "${target_vendor}", [Target vendor.])
623 AC_DEFINE_UNQUOTED(TARGET_OS, "${target_os}", [Target OS.])
628 ALL_LINGUAS="fr tr es rw id ru fi ja"
629 ZW_GNU_GETTEXT_SISTER_DIR
633 AM_CONDITIONAL(GENINSRC_NEVER, false)
636 AC_CHECK_HEADERS(string.h stdlib.h memory.h strings.h unistd.h errno.h sys/types.h limits.h time.h sys/stat.h)
638 # Put this here so that autoconf's "cross-compiling" message doesn't confuse
639 # people who are not cross-compiling but are compiling cross-assemblers.
640 AC_MSG_CHECKING(whether compiling a cross-assembler)
641 if test "${host}" = "${target}"; then
645 AC_DEFINE(CROSS_COMPILE, 1, [Compiling cross-assembler?])
647 AC_MSG_RESULT($cross_gas)
649 dnl ansidecl.h will deal with const
654 # VMS doesn't have unlink.
655 AC_CHECK_FUNCS(unlink remove, break)
657 # Some systems don't have sbrk().
660 # do we need the math library?
661 case "${need_libm}" in
668 # Some non-ANSI preprocessors botch requoting inside strings. That's bad
669 # enough, but on some of those systems, the assert macro relies on requoting
673 # On some systems, the system header files may not declare malloc, realloc,
674 # and free. There are places where gas needs these functions to have been
675 # declared -- such as when taking their addresses.
683 #ifdef HAVE_STRINGS_H
695 # Does errno.h declare errno, or do we have to add a separate declaration
697 GAS_CHECK_DECL_NEEDED(errno, f, int f, [
703 AC_MSG_CHECKING(for a known getopt prototype in unistd.h)
704 AC_CACHE_VAL(gas_cv_decl_getopt_unistd_h,
705 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);])],
706 gas_cv_decl_getopt_unistd_h=yes, gas_cv_decl_getopt_unistd_h=no)])
707 AC_MSG_RESULT($gas_cv_decl_getopt_unistd_h)
708 if test $gas_cv_decl_getopt_unistd_h = yes; then
709 AC_DEFINE([HAVE_DECL_GETOPT], 1,
710 [Is the prototype for getopt in <unistd.h> in the expected format?])
713 GAS_CHECK_DECL_NEEDED(environ, f, char **f, $gas_test_headers)
714 GAS_CHECK_DECL_NEEDED(ffs, f, int (*f)(int), $gas_test_headers)
715 GAS_CHECK_DECL_NEEDED(free, f, void (*f)(), $gas_test_headers)
716 GAS_CHECK_DECL_NEEDED(malloc, f, char *(*f)(), $gas_test_headers)
717 GAS_CHECK_DECL_NEEDED(sbrk, f, char *(*f)(), $gas_test_headers)
718 GAS_CHECK_DECL_NEEDED(strstr, f, char *(*f)(), $gas_test_headers)
720 AC_CHECK_DECLS([mempcpy])
721 AC_CHECK_DECLS([vsnprintf])
725 # Link in zlib if we can. This allows us to write compressed debug sections.
728 # Support for VMS timestamps via cross compile
730 if test "$ac_cv_header_time_h" = yes; then
731 GAS_HAVE_TIME_TYPE_MEMBER(struct tm, tm_gmtoff)
734 if test "$ac_cv_header_sys_stat_h" = yes; then
735 GAS_HAVE_SYS_STAT_TYPE_MEMBER(struct stat, st_mtim, tv_sec)
736 GAS_HAVE_SYS_STAT_TYPE_MEMBER(struct stat, st_mtim, tv_nsec)
740 dnl Required for html, pdf, install-pdf and install-html targets.
741 AC_SUBST(datarootdir)
746 dnl This must come last.
748 dnl We used to make symlinks to files in the source directory, but now
749 dnl we just use the right name for .c files, and create .h files in
750 dnl the build directory which include the right .h file. Make sure
751 dnl the old symlinks don't exist, so that a reconfigure in an existing
752 dnl directory behaves reasonably.
754 AC_CONFIG_FILES(Makefile doc/Makefile po/Makefile.in:po/Make-in)
755 AC_CONFIG_COMMANDS([default],
756 [rm -f targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c itbl-cpu.h
757 echo '#include "tc-'"${target_cpu_type}"'.h"' > targ-cpu.h
758 echo '#include "obj-'"${obj_format}"'.h"' > obj-format.h
759 echo '#include "te-'"${te_file}"'.h"' > targ-env.h
760 echo '#include "itbl-'"${target_cpu_type}"'.h"' > itbl-cpu.h
761 if test "x$cgen_cpu_prefix" != x ; then
762 echo '#include "opcodes/'"${cgen_cpu_prefix}"'-desc.h"' > cgen-desc.h
764 [target_cpu_type=${target_cpu_type}
765 cgen_cpu_prefix=${cgen_cpu_prefix}
766 obj_format=${obj_format}