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($target_cpu isn't a supported MIPS CPU name)
230 # See whether it's appropriate to set E_MIPS_ABI_O32 for o32
231 # binaries. It's a GNU extension that some OSes don't understand.
232 # The value only matters on ELF targets.
241 # Decide whether to generate 32-bit or 64-bit code by default.
242 # Used to resolve -march=from-abi when an embedded ABI is selected.
244 mips64*-*-* | mipsisa64*-*-*)
251 # Decide which ABI to target by default.
253 mips64*-linux* | mips-sgi-irix6*)
254 mips_default_abi=N32_ABI
257 mips_default_abi=O32_ABI
260 mips_default_abi=N64_ABI
263 mips_default_abi=NO_ABI
266 AC_DEFINE_UNQUOTED(MIPS_CPU_STRING_DEFAULT, "$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 | 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.])
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 = $target ; then
390 vms) extra_objects="$extra_objects te-vms.o" ;;
393 # From target name and format, produce a list of supported emulations.
395 case ${generic_target}-${fmt} in
396 mips-*-irix5*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
397 mips*-*-linux*-*) case "$endian" in
398 big) emulation="mipsbelf mipslelf mipself" ;;
399 *) emulation="mipslelf mipsbelf mipself" ;;
401 mips-*-lnews*-ecoff) ;;
402 mips-*-*-ecoff) case "$endian" in
403 big) emulation="mipsbecoff mipslecoff mipsecoff" ;;
404 *) emulation="mipslecoff mipsbecoff mipsecoff" ;;
406 mips-*-*-elf) case "$endian" in
407 big) emulation="mipsbelf mipslelf mipself" ;;
408 *) emulation="mipslelf mipsbelf mipself" ;;
410 mips-*-sysv4*MP*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
411 # i386-pc-pe-coff != i386-pc-coff.
413 # Uncommenting the next line will turn on support for i386 AOUT
414 # for the default linux configuration
415 # i386-*-linux*-elf) emulation="i386elf i386aout" ;;
417 i386-*-aout) emulation="i386aout" ;;
418 i386-*-coff) emulation="i386coff" ;;
419 i386-*-elf) emulation="i386elf" ;;
421 # Always all formats. The first stated emulation becomes the default.
422 cris-*-*aout*) emulation="crisaout criself" ;;
423 cris-*-*) emulation="criself crisaout" ;;
426 emulations="$emulations $emulation"
430 # Turn on all targets if possible
431 if test ${all_targets} = "yes"; then
432 case ${target_cpu_type} in
434 case ${obj_format} in
436 emulations="$emulations i386coff i386elf"
439 emulations="$emulations i386aout i386elf"
442 emulations="$emulations i386aout i386coff"
447 case ${obj_format} in
449 emulations="$emulations i386coff i386elf"
452 emulations="$emulations i386aout i386elf"
455 emulations="$emulations i386aout i386coff"
462 # Assign floating point type. Most processors with FP support
463 # IEEE FP. On those that don't support FP at all, usually IEEE
465 case ${target_cpu} in
466 vax | pdp11 ) atof=vax ;;
470 case "${obj_format}" in
471 "") AC_MSG_ERROR(GAS does not know what format to use for target ${target}) ;;
474 # Unfortunately the cpu in cpu-opc.h file isn't always $(TARGET_CPU).
476 if test $using_cgen = yes ; then
477 case ${target_cpu} in
478 *) cgen_cpu_prefix=${target_cpu} ;;
480 AC_SUBST(cgen_cpu_prefix)
481 AC_DEFINE(USING_CGEN, 1, [Using cgen code?])
485 dnl Make sure the desired support files exist.
488 if test ! -r ${srcdir}/config/tc-${target_cpu_type}.c; then
489 AC_MSG_ERROR(GAS does not support target CPU ${target_cpu_type})
492 if test ! -r ${srcdir}/config/obj-${obj_format}.c; then
493 AC_MSG_ERROR(GAS does not have support for object file format ${obj_format})
496 # Some COFF configurations want these random other flags set.
497 case ${obj_format} in
499 case ${target_cpu_type} in
500 i386) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
501 m68k) AC_DEFINE(M68KCOFF, 1, [Using m68k COFF?]) ;;
502 m88k) AC_DEFINE(M88KCOFF, 1, [Using m88k COFF?]) ;;
503 x86_64) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
508 # Getting this done right is going to be a bitch. Each configuration specified
509 # with --enable-targets=... should be checked for environment, format, cpu
512 # For each configuration, the necessary object file support code must be linked
513 # in. This might be only one, it might be up to four. The necessary emulation
514 # code needs to be provided, too.
516 # And then there's "--enable-targets=all"....
518 # For now, just always do it for MIPS ELF or ECOFF configurations. Sigh.
520 formats="${obj_format}"
524 for em in . $emulations ; do
527 mipsbelf | mipslelf | mipself)
528 fmt=elf file=mipself ;;
529 mipsbecoff | mipslecoff | mipsecoff)
530 fmt=ecoff file=mipsecoff ;;
538 formats="$formats $fmt"
539 emfiles="$emfiles e-$file.o"
540 EMULATIONS="$EMULATIONS &$em,"
544 if test `set . $formats ; shift ; echo $#` -gt 1 ; then
545 for fmt in $formats ; do
547 aout) AC_DEFINE(OBJ_MAYBE_AOUT, 1, [a.out support?]) ;;
548 bout) AC_DEFINE(OBJ_MAYBE_BOUT, 1, [b.out support?]) ;;
549 coff) AC_DEFINE(OBJ_MAYBE_COFF, 1, [COFF support?]) ;;
550 ecoff) AC_DEFINE(OBJ_MAYBE_ECOFF, 1, [ECOFF support?]) ;;
551 elf) AC_DEFINE(OBJ_MAYBE_ELF, 1, [ELF support?]) ;;
552 generic) AC_DEFINE(OBJ_MAYBE_GENERIC, 1, [generic support?]) ;;
553 som) AC_DEFINE(OBJ_MAYBE_SOM, 1, [SOM support?]) ;;
555 extra_objects="$extra_objects obj-$fmt.o"
559 if test `set . $emfiles ; shift ; echo $#` -gt 0 ; then
560 DEFAULT_EMULATION=`set . $emulations ; echo $2`
561 # e-mips* has more than one emulation per file, e-i386* has just one at the
562 # moment. If only one emulation is specified, then don't define
563 # USE_EMULATIONS or include any of the e-files as they will only be bloat.
564 case "${obj_format}${emfiles}" in
566 extra_objects="$extra_objects $emfiles"
567 AC_DEFINE(USE_EMULATIONS, 1, [Use emulation support?]) ;;
570 AC_SUBST(extra_objects)
571 AC_DEFINE_UNQUOTED(EMULATIONS, $EMULATIONS, [Supported emulations.])
572 AC_DEFINE_UNQUOTED(DEFAULT_EMULATION, "$DEFAULT_EMULATION",
573 [Default emulation.])
575 reject_dev_configs=yes
577 case ${reject_dev_configs}-${dev} in
579 AC_MSG_ERROR(GAS does not support the ${generic_target} configuration.)
583 AC_SUBST(target_cpu_type)
586 AC_SUBST(install_tooldir)
588 dnl AC_SUBST(emulation)
590 # do we need the opcodes library?
591 case "${need_opcodes}" in
593 OPCODES_LIB=../opcodes/libopcodes.la
597 AC_SUBST(OPCODES_LIB)
599 AC_DEFINE_UNQUOTED(TARGET_ALIAS, "${target_alias}", [Target alias.])
600 AC_DEFINE_UNQUOTED(TARGET_CANONICAL, "${target}", [Canonical target.])
601 AC_DEFINE_UNQUOTED(TARGET_CPU, "${target_cpu}", [Target CPU.])
602 AC_DEFINE_UNQUOTED(TARGET_VENDOR, "${target_vendor}", [Target vendor.])
603 AC_DEFINE_UNQUOTED(TARGET_OS, "${target_os}", [Target OS.])
608 ALL_LINGUAS="fr tr es rw id"
609 ZW_GNU_GETTEXT_SISTER_DIR
613 AM_CONDITIONAL(GENINSRC_NEVER, false)
616 AC_CHECK_HEADERS(string.h stdlib.h memory.h strings.h unistd.h stdarg.h varargs.h errno.h sys/types.h limits.h time.h sys/stat.h)
618 # Put this here so that autoconf's "cross-compiling" message doesn't confuse
619 # people who are not cross-compiling but are compiling cross-assemblers.
620 AC_MSG_CHECKING(whether compiling a cross-assembler)
621 if test "${host}" = "${target}"; then
625 AC_DEFINE(CROSS_COMPILE, 1, [Compiling cross-assembler?])
627 AC_MSG_RESULT($cross_gas)
629 dnl ansidecl.h will deal with const
634 # VMS doesn't have unlink.
635 AC_CHECK_FUNCS(unlink remove, break)
637 # Some systems don't have sbrk().
640 # do we need the math library?
641 case "${need_libm}" in
648 # Some non-ANSI preprocessors botch requoting inside strings. That's bad
649 # enough, but on some of those systems, the assert macro relies on requoting
653 # On some systems, the system header files may not declare malloc, realloc,
654 # and free. There are places where gas needs these functions to have been
655 # declared -- such as when taking their addresses.
663 #ifdef HAVE_STRINGS_H
675 # Does errno.h declare errno, or do we have to add a separate declaration
677 GAS_CHECK_DECL_NEEDED(errno, f, int f, [
683 AC_MSG_CHECKING(for a known getopt prototype in unistd.h)
684 AC_CACHE_VAL(gas_cv_decl_getopt_unistd_h,
685 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);])],
686 gas_cv_decl_getopt_unistd_h=yes, gas_cv_decl_getopt_unistd_h=no)])
687 AC_MSG_RESULT($gas_cv_decl_getopt_unistd_h)
688 if test $gas_cv_decl_getopt_unistd_h = yes; then
689 AC_DEFINE([HAVE_DECL_GETOPT], 1,
690 [Is the prototype for getopt in <unistd.h> in the expected format?])
693 GAS_CHECK_DECL_NEEDED(environ, f, char **f, $gas_test_headers)
694 GAS_CHECK_DECL_NEEDED(ffs, f, int (*f)(int), $gas_test_headers)
695 GAS_CHECK_DECL_NEEDED(free, f, void (*f)(), $gas_test_headers)
696 GAS_CHECK_DECL_NEEDED(malloc, f, char *(*f)(), $gas_test_headers)
697 GAS_CHECK_DECL_NEEDED(sbrk, f, char *(*f)(), $gas_test_headers)
698 GAS_CHECK_DECL_NEEDED(strstr, f, char *(*f)(), $gas_test_headers)
700 AC_CHECK_DECLS([vsnprintf])
704 # Support for VMS timestamps via cross compile
706 if test "$ac_cv_header_time_h" = yes; then
707 GAS_HAVE_TIME_TYPE_MEMBER(struct tm, tm_gmtoff)
710 if test "$ac_cv_header_sys_stat_h" = yes; then
711 GAS_HAVE_SYS_STAT_TYPE_MEMBER(struct stat, st_mtim, tv_sec)
712 GAS_HAVE_SYS_STAT_TYPE_MEMBER(struct stat, st_mtim, tv_nsec)
716 dnl Required for html, pdf, install-pdf and install-html targets.
717 AC_SUBST(datarootdir)
722 dnl This must come last.
724 dnl We used to make symlinks to files in the source directory, but now
725 dnl we just use the right name for .c files, and create .h files in
726 dnl the build directory which include the right .h file. Make sure
727 dnl the old symlinks don't exist, so that a reconfigure in an existing
728 dnl directory behaves reasonably.
730 AC_CONFIG_FILES(Makefile doc/Makefile po/Makefile.in:po/Make-in)
731 AC_CONFIG_COMMANDS([default],
732 [rm -f targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c itbl-cpu.h
733 echo '#include "tc-'"${target_cpu_type}"'.h"' > targ-cpu.h
734 echo '#include "obj-'"${obj_format}"'.h"' > obj-format.h
735 echo '#include "te-'"${te_file}"'.h"' > targ-env.h
736 echo '#include "itbl-'"${target_cpu_type}"'.h"' > itbl-cpu.h
737 if test "x$cgen_cpu_prefix" != x ; then
738 echo '#include "opcodes/'"${cgen_cpu_prefix}"'-desc.h"' > cgen-desc.h
740 [target_cpu_type=${target_cpu_type}
741 cgen_cpu_prefix=${cgen_cpu_prefix}
742 obj_format=${obj_format}