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=$enableval ;;
40 AC_ARG_ENABLE(commonbfdlib,
41 [ --enable-commonbfdlib build shared BFD/opcodes/libiberty library],
42 [case "${enableval}" in
43 yes) commonbfdlib=true ;;
44 no) commonbfdlib=false ;;
45 *) AC_MSG_ERROR([bad value ${enableval} for BFD commonbfdlib option]) ;;
49 if grep '^RELEASE=y' ${srcdir}/../bfd/Makefile.am >/dev/null 2>/dev/null ; then
52 AC_ARG_ENABLE(checking,
53 [ --enable-checking enable run-time checks],
54 [case "${enableval}" in
55 no|none) ac_checking= ;;
58 if test x$ac_checking != x ; then
59 AC_DEFINE(ENABLE_CHECKING, 1, [Define if you want run-time sanity checks.])
66 # Generate a header file
67 AC_CONFIG_HEADERS(config.h:config.in)
69 # If we are on a DOS filesystem, we must use gdb.ini rather than
72 *-*-msdos* | *-*-go32* | *-*-mingw32* | *-*-windows*)
74 AC_CONFIG_FILES(gdb.ini:gdbinit.in)
78 AC_CONFIG_FILES(.gdbinit:gdbinit.in)
83 #We need this for the host. BOUT header is in host order.
88 # Makefile target for installing gas in $(tooldir)/bin.
89 install_tooldir=install-exec-tooldir
93 if test -n "$enable_targets" ; then
94 for t in `echo $enable_targets | sed 's/,/ /g'`; do
95 if test $t = "all"; then
99 result=`$ac_config_sub $t 2>/dev/null`
100 if test -n "$result" ; then
101 canon_targets="$canon_targets $result"
103 # # Permit "all", etc. We don't support it yet though.
104 # canon_targets="$canon_targets $t"
107 GAS_UNIQ(canon_targets)
112 for this_target in $target $canon_targets ; do
115 . ${srcdir}/configure.tgt
117 case ${target_cpu} in
119 AC_DEFINE_UNQUOTED(DEFAULT_CRIS_ARCH, $arch,
120 [Default CRIS architecture.])
124 if test ${this_target} = $target ; then
125 target_cpu_type=${cpu_type}
126 elif test ${target_cpu_type} != ${cpu_type} ; then
130 generic_target=${cpu_type}-${target_vendor}-${target_os}
131 case ${generic_target} in
133 if test ${this_target} = $target; then
134 AC_DEFINE(SCO_ELF, 1, [Define if defaulting to ELF on SCO 5.])
141 AC_DEFINE(STRICTCOFF, 1, [Using strict COFF?])
145 AC_MSG_WARN(GAS support for ${generic_target} is preliminary and a work in progress)
151 AC_MSG_ERROR(Unknown vendor for mips-bsd configuration.)
155 AC_DEFINE(AIX_WEAK_SUPPORT, 1,
156 [Define if using AIX 5.2 value for C_WEAKEXT.])
161 *) AC_MSG_ERROR(GNU/Linux must be configured big endian) ;;
165 if test ${this_target} = $target; then
166 AC_DEFINE(TARGET_SOLARIS_COMMENT, 1,
167 [Define if default target is PowerPC Solaris.])
169 if test x${endian} = xbig; then
170 AC_MSG_ERROR(Solaris must be configured little endian)
175 AC_DEFINE(TARGET_SYMBIAN, 1, [Define if target is Symbian OS.])
179 if test ${this_target} = $target ; then
181 if test x${endian} = xbig; then
183 elif test x${endian} = xlittle; then
186 if test x${endian_def} != x; then
187 AC_DEFINE_UNQUOTED(TARGET_BYTES_BIG_ENDIAN, $endian_def,
188 [Define as 1 if big endian.])
192 # Other random stuff.
196 # Set mips_cpu to the name of the default CPU.
197 case ${target_cpu} in
198 mips | mipsbe | mipseb | mipsle | mipsel | mips64 | mips64el)
201 mipsisa32 | mipsisa32el)
204 mipsisa32r2 | mipsisa32r2el)
207 mipsisa64 | mipsisa64el)
210 mipsisa64r2 | mipsisa64r2el)
213 mipstx39 | mipstx39el)
216 mips64vr | mips64vrel)
219 mipsisa32r2* | mipsisa64r2*)
221 mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..r2//' -e 's/el$//'`
224 mips64* | mipsisa64* | mipsisa32*)
226 mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..//' -e 's/el$//'`
230 AC_MSG_ERROR($target_cpu isn't a supported MIPS CPU name)
233 # See whether it's appropriate to set E_MIPS_ABI_O32 for o32
234 # binaries. It's a GNU extension that some OSes don't understand.
235 # The value only matters on ELF targets.
244 # Decide whether to generate 32-bit or 64-bit code by default.
245 # Used to resolve -march=from-abi when an embedded ABI is selected.
247 mips64*-*-* | mipsisa64*-*-*)
254 # Decide which ABI to target by default.
256 mips64*-linux* | mips-sgi-irix6*)
257 mips_default_abi=N32_ABI
260 mips_default_abi=O32_ABI
263 mips_default_abi=N64_ABI
266 mips_default_abi=NO_ABI
269 AC_DEFINE_UNQUOTED(MIPS_CPU_STRING_DEFAULT, "$mips_cpu",
270 [Default CPU for MIPS targets. ])
271 AC_DEFINE_UNQUOTED(USE_E_MIPS_ABI_O32, $use_e_mips_abi_o32,
272 [Allow use of E_MIPS_ABI_O32 on MIPS targets. ])
273 AC_DEFINE_UNQUOTED(MIPS_DEFAULT_64BIT, $mips_default_64bit,
274 [Generate 64-bit code by default on MIPS targets. ])
275 AC_DEFINE_UNQUOTED(MIPS_DEFAULT_ABI, $mips_default_abi,
276 [Choose a default ABI for MIPS targets. ])
280 # Do we need the opcodes library?
288 case "${enable_shared}" in
289 yes) shared_opcodes=true ;;
290 *opcodes*) shared_opcodes=true ;;
291 *) shared_opcodes=false ;;
296 # Any other special object files needed ?
300 echo ${extra_objects} | grep -s "bfin-parse.o"
301 if test $? -ne 0 ; then
302 extra_objects="$extra_objects bfin-parse.o"
305 echo ${extra_objects} | grep -s "bfin-lex.o"
306 if test $? -ne 0 ; then
307 extra_objects="$extra_objects bfin-lex.o"
311 fr30 | ip2k | iq2000 | m32r | openrisc)
322 case ${extra_objects} in
324 *) extra_objects="$extra_objects m68k-parse.o" ;;
333 echo ${extra_objects} | grep -s "itbl-parse.o"
334 if test $? -ne 0 ; then
335 extra_objects="$extra_objects itbl-parse.o"
338 echo ${extra_objects} | grep -s "itbl-lex.o"
339 if test $? -ne 0 ; then
340 extra_objects="$extra_objects itbl-lex.o"
343 echo ${extra_objects} | grep -s "itbl-ops.o"
344 if test $? -ne 0 ; then
345 extra_objects="$extra_objects itbl-ops.o"
354 if test $this_target = $target ; then
355 AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
368 echo ${extra_objects} | grep -s "xtensa-relax.o"
369 if test $? -ne 0 ; then
370 extra_objects="$extra_objects xtensa-relax.o"
378 if test $using_cgen = yes ; then
379 case "x${extra_objects}" in
381 *) extra_objects="$extra_objects cgen.o" ;;
385 # See if we really can support this configuration with the emulation code.
387 if test $this_target = $target ; then
392 # From target name and format, produce a list of supported emulations.
394 case ${generic_target}-${fmt} in
395 mips-*-irix5*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
396 mips*-*-linux*-*) case "$endian" in
397 big) emulation="mipsbelf mipslelf mipself" ;;
398 *) emulation="mipslelf mipsbelf mipself" ;;
400 mips-*-lnews*-ecoff) ;;
401 mips-*-*-ecoff) case "$endian" in
402 big) emulation="mipsbecoff mipslecoff mipsecoff" ;;
403 *) emulation="mipslecoff mipsbecoff mipsecoff" ;;
405 mips-*-*-elf) case "$endian" in
406 big) emulation="mipsbelf mipslelf mipself" ;;
407 *) emulation="mipslelf mipsbelf mipself" ;;
409 mips-*-sysv4*MP*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
410 # i386-pc-pe-coff != i386-pc-coff.
412 # Uncommenting the next line will turn on support for i386 AOUT
413 # for the default linux configuration
414 # i386-*-linux*-elf) emulation="i386elf i386aout" ;;
416 i386-*-aout) emulation="i386aout" ;;
417 i386-*-coff) emulation="i386coff" ;;
418 i386-*-elf) emulation="i386elf" ;;
420 # Always all formats. The first stated emulation becomes the default.
421 cris-*-*aout*) emulation="crisaout criself" ;;
422 cris-*-*) emulation="criself crisaout" ;;
425 emulations="$emulations $emulation"
429 # Turn on all targets if possible
430 if test ${all_targets} = "yes"; then
431 case ${target_cpu_type} in
433 case ${obj_format} in
435 emulations="$emulations i386coff i386elf"
438 emulations="$emulations i386aout i386elf"
441 emulations="$emulations i386aout i386coff"
446 case ${obj_format} in
448 emulations="$emulations i386coff i386elf"
451 emulations="$emulations i386aout i386elf"
454 emulations="$emulations i386aout i386coff"
461 # Assign floating point type. Most processors with FP support
462 # IEEE FP. On those that don't support FP at all, usually IEEE
464 case ${target_cpu} in
465 vax | pdp11 ) atof=vax ;;
469 case "${obj_format}" in
470 "") AC_MSG_ERROR(GAS does not know what format to use for target ${target}) ;;
473 # Unfortunately the cpu in cpu-opc.h file isn't always $(TARGET_CPU).
475 if test $using_cgen = yes ; then
476 case ${target_cpu} in
477 *) cgen_cpu_prefix=${target_cpu} ;;
479 AC_SUBST(cgen_cpu_prefix)
480 AC_DEFINE(USING_CGEN, 1, [Using cgen code?])
484 dnl Make sure the desired support files exist.
487 if test ! -r ${srcdir}/config/tc-${target_cpu_type}.c; then
488 AC_MSG_ERROR(GAS does not support target CPU ${target_cpu_type})
491 if test ! -r ${srcdir}/config/obj-${obj_format}.c; then
492 AC_MSG_ERROR(GAS does not have support for object file format ${obj_format})
495 # Some COFF configurations want these random other flags set.
496 case ${obj_format} in
498 case ${target_cpu_type} in
499 i386) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
500 m68k) AC_DEFINE(M68KCOFF, 1, [Using m68k COFF?]) ;;
501 m88k) AC_DEFINE(M88KCOFF, 1, [Using m88k COFF?]) ;;
502 x86_64) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
507 # Getting this done right is going to be a bitch. Each configuration specified
508 # with --enable-targets=... should be checked for environment, format, cpu
511 # For each configuration, the necessary object file support code must be linked
512 # in. This might be only one, it might be up to four. The necessary emulation
513 # code needs to be provided, too.
515 # And then there's "--enable-targets=all"....
517 # For now, just always do it for MIPS ELF or ECOFF configurations. Sigh.
519 formats="${obj_format}"
523 for em in . $emulations ; do
526 mipsbelf | mipslelf | mipself)
527 fmt=elf file=mipself ;;
528 mipsbecoff | mipslecoff | mipsecoff)
529 fmt=ecoff file=mipsecoff ;;
537 formats="$formats $fmt"
538 emfiles="$emfiles e-$file.o"
539 EMULATIONS="$EMULATIONS &$em,"
543 if test `set . $formats ; shift ; echo $#` -gt 1 ; then
544 for fmt in $formats ; do
546 aout) AC_DEFINE(OBJ_MAYBE_AOUT, 1, [a.out support?]) ;;
547 bout) AC_DEFINE(OBJ_MAYBE_BOUT, 1, [b.out support?]) ;;
548 coff) AC_DEFINE(OBJ_MAYBE_COFF, 1, [COFF support?]) ;;
549 ecoff) AC_DEFINE(OBJ_MAYBE_ECOFF, 1, [ECOFF support?]) ;;
550 elf) AC_DEFINE(OBJ_MAYBE_ELF, 1, [ELF support?]) ;;
551 generic) AC_DEFINE(OBJ_MAYBE_GENERIC, 1, [generic support?]) ;;
552 som) AC_DEFINE(OBJ_MAYBE_SOM, 1, [SOM support?]) ;;
554 extra_objects="$extra_objects obj-$fmt.o"
558 if test `set . $emfiles ; shift ; echo $#` -gt 0 ; then
559 DEFAULT_EMULATION=`set . $emulations ; echo $2`
560 # e-mips* has more than one emulation per file, e-i386* has just one at the
561 # moment. If only one emulation is specified, then don't define
562 # USE_EMULATIONS or include any of the e-files as they will only be bloat.
563 case "${obj_format}${emfiles}" in
565 extra_objects="$extra_objects $emfiles"
566 AC_DEFINE(USE_EMULATIONS, 1, [Use emulation support?]) ;;
569 AC_SUBST(extra_objects)
570 AC_DEFINE_UNQUOTED(EMULATIONS, $EMULATIONS, [Supported emulations.])
571 AC_DEFINE_UNQUOTED(DEFAULT_EMULATION, "$DEFAULT_EMULATION",
572 [Default emulation.])
574 reject_dev_configs=yes
576 case ${reject_dev_configs}-${dev} in
578 AC_MSG_ERROR(GAS does not support the ${generic_target} configuration.)
582 AC_SUBST(target_cpu_type)
585 AC_SUBST(install_tooldir)
587 dnl AC_SUBST(emulation)
589 # do we need the opcodes library?
590 case "${need_opcodes}" in
592 OPCODES_LIB=../opcodes/libopcodes.la
596 AC_SUBST(OPCODES_LIB)
598 AC_DEFINE_UNQUOTED(TARGET_ALIAS, "${target_alias}", [Target alias.])
599 AC_DEFINE_UNQUOTED(TARGET_CANONICAL, "${target}", [Canonical target.])
600 AC_DEFINE_UNQUOTED(TARGET_CPU, "${target_cpu}", [Target CPU.])
601 AC_DEFINE_UNQUOTED(TARGET_VENDOR, "${target_vendor}", [Target vendor.])
602 AC_DEFINE_UNQUOTED(TARGET_OS, "${target_os}", [Target OS.])
607 ALL_LINGUAS="fr tr es rw id"
608 ZW_GNU_GETTEXT_SISTER_DIR
612 AM_CONDITIONAL(GENINSRC_NEVER, false)
615 AC_CHECK_HEADERS(string.h stdlib.h memory.h strings.h unistd.h stdarg.h varargs.h errno.h sys/types.h limits.h)
617 # Put this here so that autoconf's "cross-compiling" message doesn't confuse
618 # people who are not cross-compiling but are compiling cross-assemblers.
619 AC_MSG_CHECKING(whether compiling a cross-assembler)
620 if test "${host}" = "${target}"; then
624 AC_DEFINE(CROSS_COMPILE, 1, [Compiling cross-assembler?])
626 AC_MSG_RESULT($cross_gas)
628 dnl ansidecl.h will deal with const
633 # VMS doesn't have unlink.
634 AC_CHECK_FUNCS(unlink remove, break)
636 # Some systems don't have sbrk().
639 # do we need the math library?
640 case "${need_libm}" in
647 # Some non-ANSI preprocessors botch requoting inside strings. That's bad
648 # enough, but on some of those systems, the assert macro relies on requoting
652 # On some systems, the system header files may not declare malloc, realloc,
653 # and free. There are places where gas needs these functions to have been
654 # declared -- such as when taking their addresses.
662 #ifdef HAVE_STRINGS_H
674 # Does errno.h declare errno, or do we have to add a separate declaration
676 GAS_CHECK_DECL_NEEDED(errno, f, int f, [
682 AC_MSG_CHECKING(for a known getopt prototype in unistd.h)
683 AC_CACHE_VAL(gas_cv_decl_getopt_unistd_h,
684 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);])],
685 gas_cv_decl_getopt_unistd_h=yes, gas_cv_decl_getopt_unistd_h=no)])
686 AC_MSG_RESULT($gas_cv_decl_getopt_unistd_h)
687 if test $gas_cv_decl_getopt_unistd_h = yes; then
688 AC_DEFINE([HAVE_DECL_GETOPT], 1,
689 [Is the prototype for getopt in <unistd.h> in the expected format?])
692 GAS_CHECK_DECL_NEEDED(environ, f, char **f, $gas_test_headers)
693 GAS_CHECK_DECL_NEEDED(ffs, f, int (*f)(int), $gas_test_headers)
694 GAS_CHECK_DECL_NEEDED(free, f, void (*f)(), $gas_test_headers)
695 GAS_CHECK_DECL_NEEDED(malloc, f, char *(*f)(), $gas_test_headers)
696 GAS_CHECK_DECL_NEEDED(sbrk, f, char *(*f)(), $gas_test_headers)
697 GAS_CHECK_DECL_NEEDED(strstr, f, char *(*f)(), $gas_test_headers)
699 AC_CHECK_DECLS([vsnprintf])
703 dnl Required for html and install-html targets.
704 AC_SUBST(datarootdir)
708 dnl This must come last.
710 dnl We used to make symlinks to files in the source directory, but now
711 dnl we just use the right name for .c files, and create .h files in
712 dnl the build directory which include the right .h file. Make sure
713 dnl the old symlinks don't exist, so that a reconfigure in an existing
714 dnl directory behaves reasonably.
716 AC_CONFIG_FILES(Makefile doc/Makefile po/Makefile.in:po/Make-in)
717 AC_CONFIG_COMMANDS([default],
718 [rm -f targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c itbl-cpu.h
719 echo '#include "tc-'"${target_cpu_type}"'.h"' > targ-cpu.h
720 echo '#include "obj-'"${obj_format}"'.h"' > obj-format.h
721 echo '#include "te-'"${te_file}"'.h"' > targ-env.h
722 echo '#include "itbl-'"${target_cpu_type}"'.h"' > itbl-cpu.h
723 if test "x$cgen_cpu_prefix" != x ; then
724 echo '#include "opcodes/'"${cgen_cpu_prefix}"'-desc.h"' > cgen-desc.h
726 [target_cpu_type=${target_cpu_type}
727 cgen_cpu_prefix=${cgen_cpu_prefix}
728 obj_format=${obj_format}