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
11 dnl Autoconf 2.57 will find the aux dir without this. However, unless
12 dnl we specify this explicitly, automake-1.7 will assume that ylwrap is in
13 dnl gas/ instead of gas/../.
19 BFD_VERSION=`sed -n -e 's/^.._INIT_AUTOMAKE.*,[ ]*\([^ ]*\)[ ]*).*/\1/p' < ${srcdir}/../bfd/configure.in`
21 AM_INIT_AUTOMAKE(gas, ${BFD_VERSION})
26 AC_ARG_ENABLE(bfd-assembler,
27 [ --enable-bfd-assembler use BFD back end for writing object files],
28 [case "${enableval}" in
29 yes) need_bfd=yes user_bfd_gas=yes ;;
30 no) user_bfd_gas=no ;;
31 *) AC_MSG_ERROR(bad value ${enableval} given for bfd-assembler option) ;;
33 AC_ARG_ENABLE(targets,
34 [ targets alternative target configurations besides the primary],
35 [case "${enableval}" in
36 yes | "") AC_ERROR(enable-targets option must specify target names or 'all')
38 no) enable_targets= ;;
39 *) enable_targets=$enableval ;;
41 AC_ARG_ENABLE(commonbfdlib,
42 [ --enable-commonbfdlib build shared BFD/opcodes/libiberty library],
43 [case "${enableval}" in
44 yes) commonbfdlib=true ;;
45 no) commonbfdlib=false ;;
46 *) AC_MSG_ERROR([bad value ${enableval} for BFD commonbfdlib option]) ;;
51 build_warnings="-W -Wall -Wstrict-prototypes -Wmissing-prototypes"
52 AC_ARG_ENABLE(build-warnings,
53 [ --enable-build-warnings Enable build-time compiler warnings if gcc is used],
54 [case "${enableval}" in
56 no) build_warnings="-w";;
57 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
58 build_warnings="${build_warnings} ${t}";;
59 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
60 build_warnings="${t} ${build_warnings}";;
61 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
63 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
64 echo "Setting warning flags = $build_warnings" 6>&1
67 if test "x${build_warnings}" != x -a "x$GCC" = xyes ; then
68 WARN_CFLAGS="${build_warnings}"
72 # Generate a header file
73 AM_CONFIG_HEADER(config.h:config.in)
75 # If we are on a DOS filesystem, we must use gdb.ini rather than
78 *-*-msdos* | *-*-go32* | *-*-mingw32* | *-*-windows*)
80 AC_CONFIG_FILES(gdb.ini:gdbinit.in)
84 AC_CONFIG_FILES(.gdbinit:gdbinit.in)
91 # Makefile target for installing gas in $(tooldir)/bin.
92 install_tooldir=install-exec-tooldir
96 if test -n "$enable_targets" ; then
97 for t in `echo $enable_targets | sed 's/,/ /g'`; do
98 if test $t = "all"; then
102 result=`$ac_config_sub $t 2>/dev/null`
103 if test -n "$result" ; then
104 canon_targets="$canon_targets $result"
106 # # Permit "all", etc. We don't support it yet though.
107 # canon_targets="$canon_targets $t"
110 GAS_UNIQ(canon_targets)
115 for this_target in $target $canon_targets ; do
118 . ${srcdir}/configure.tgt
120 case ${target_cpu} in
122 AC_DEFINE_UNQUOTED(DEFAULT_CRIS_ARCH, $arch,
123 [Default CRIS architecture.])
127 if test ${this_target} = $target ; then
128 target_cpu_type=${cpu_type}
129 elif test ${target_cpu_type} != ${cpu_type} ; then
133 generic_target=${cpu_type}-${target_vendor}-${target_os}
134 case ${generic_target} in
136 if test ${this_target} = $target; then
137 AC_DEFINE(SCO_ELF, 1, [Define if defaulting to ELF on SCO 5.])
144 AC_DEFINE(STRICTCOFF, 1, [Using strict COFF?])
148 AC_MSG_WARN(GAS support for ${generic_target} is preliminary and a work in progress)
154 AC_MSG_ERROR(Unknown vendor for mips-bsd configuration.)
158 AC_DEFINE(AIX_WEAK_SUPPORT, 1,
159 [Define if using AIX 5.2 value for C_WEAKEXT.])
164 *) AC_MSG_ERROR(GNU/Linux must be configured big endian) ;;
168 if test ${this_target} = $target; then
169 AC_DEFINE(TARGET_SOLARIS_COMMENT, 1,
170 [Define if default target is PowerPC Solaris.])
172 if test x${endian} = xbig; then
173 AC_MSG_ERROR(Solaris must be configured little endian)
178 AC_DEFINE(TARGET_SYMBIAN, 1, [Define if target is Symbian OS.])
182 if test ${this_target} = $target ; then
184 if test x${endian} = xbig; then
186 elif test x${endian} = xlittle; then
189 if test x${endian_def} != x; then
190 AC_DEFINE_UNQUOTED(TARGET_BYTES_BIG_ENDIAN, $endian_def,
191 [Define as 1 if big endian.])
195 # Other random stuff.
199 # Set mips_cpu to the name of the default CPU.
200 case ${target_cpu} in
201 mips | mipsbe | mipseb | mipsle | mipsel | mips64 | mips64el)
204 mipsisa32 | mipsisa32el)
207 mipsisa32r2 | mipsisa32r2el)
210 mipsisa64 | mipsisa64el)
213 mipsisa64r2 | mipsisa64r2el)
216 mipstx39 | mipstx39el)
219 mips64vr | mips64vrel)
222 mipsisa32r2* | mipsisa64r2*)
224 mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..r2//' -e 's/el$//'`
227 mips64* | mipsisa64* | mipsisa32*)
229 mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..//' -e 's/el$//'`
233 AC_ERROR($target_cpu isn't a supported MIPS CPU name)
236 # See whether it's appropriate to set E_MIPS_ABI_O32 for o32
237 # binaries. It's a GNU extension that some OSes don't understand.
238 # The value only matters on ELF targets.
247 # Decide whether to generate 32-bit or 64-bit code by default.
248 # Used to resolve -march=from-abi when an embedded ABI is selected.
250 mips64*-*-* | mipsisa64*-*-*)
257 # Decide which ABI to target by default.
259 mips64*-linux* | mips-sgi-irix6*)
260 mips_default_abi=N32_ABI
263 mips_default_abi=O32_ABI
266 mips_default_abi=NO_ABI
269 AC_DEFINE_UNQUOTED(MIPS_CPU_STRING_DEFAULT, "$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 ;;
293 if test "${shared_opcodes}" = "true"; then
294 # A shared libopcodes must be linked against libbfd.
300 # Any other special object files needed ?
302 fr30 | ip2k | iq2000 | m32r | openrisc)
310 case ${extra_objects} in
312 *) extra_objects="$extra_objects m68k-parse.o" ;;
317 echo ${extra_objects} | grep -s "itbl-parse.o"
318 if test $? -ne 0 ; then
319 extra_objects="$extra_objects itbl-parse.o"
322 echo ${extra_objects} | grep -s "itbl-lex.o"
323 if test $? -ne 0 ; then
324 extra_objects="$extra_objects itbl-lex.o"
327 echo ${extra_objects} | grep -s "itbl-ops.o"
328 if test $? -ne 0 ; then
329 extra_objects="$extra_objects itbl-ops.o"
334 if test $this_target = $target ; then
335 AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
344 echo ${extra_objects} | grep -s "xtensa-relax.o"
345 if test $? -ne 0 ; then
346 extra_objects="$extra_objects xtensa-relax.o"
354 if test $using_cgen = yes ; then
355 case "x${extra_objects}" in
357 *) extra_objects="$extra_objects cgen.o" ;;
361 # See if we really can support this configuration with the emulation code.
363 if test $this_target = $target ; then
364 primary_bfd_gas=$bfd_gas
368 if test $bfd_gas = no ; then
369 # Can't support other configurations this way.
372 elif test $bfd_gas = no ; then
373 # Can't support this configuration.
377 # From target name and format, produce a list of supported emulations.
379 case ${generic_target}-${fmt} in
380 mips-*-irix5*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
381 mips*-*-linux*-*) case "$endian" in
382 big) emulation="mipsbelf mipslelf mipself" ;;
383 *) emulation="mipslelf mipsbelf mipself" ;;
385 mips-*-lnews*-ecoff) ;;
386 mips-*-*-ecoff) case "$endian" in
387 big) emulation="mipsbecoff mipslecoff mipsecoff" ;;
388 *) emulation="mipslecoff mipsbecoff mipsecoff" ;;
390 mips-*-*-elf) case "$endian" in
391 big) emulation="mipsbelf mipslelf mipself" ;;
392 *) emulation="mipslelf mipsbelf mipself" ;;
394 mips-*-sysv4*MP*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
395 # i386-pc-pe-coff != i386-pc-coff.
397 # Uncommenting the next line will turn on support for i386 AOUT
398 # for the default linux configuration
399 # i386-*-linux*-elf) emulation="i386elf i386aout" ;;
401 i386-*-aout) emulation="i386aout" ;;
402 i386-*-coff) emulation="i386coff" ;;
403 i386-*-elf) emulation="i386elf" ;;
405 # Always all formats. The first stated emulation becomes the default.
406 cris-*-*aout*) emulation="crisaout criself" ;;
407 cris-*-*) emulation="criself crisaout" ;;
410 emulations="$emulations $emulation"
414 # Turn on all targets if possible
415 if test ${all_targets} = "yes"; then
416 case ${target_cpu_type} in
418 case ${obj_format} in
420 emulations="$emulations i386coff i386elf"
423 emulations="$emulations i386aout i386elf"
426 emulations="$emulations i386aout i386coff"
433 # Assign floating point type. Most processors with FP support
434 # IEEE FP. On those that don't support FP at all, usually IEEE
436 case ${target_cpu} in
437 vax | tahoe ) atof=${target_cpu} ;;
442 case "${obj_format}" in
443 "") AC_MSG_ERROR(GAS does not know what format to use for target ${target}) ;;
446 # Unfortunately the cpu in cpu-opc.h file isn't always $(TARGET_CPU).
448 if test $using_cgen = yes ; then
449 case ${target_cpu} in
450 *) cgen_cpu_prefix=${target_cpu} ;;
452 AC_SUBST(cgen_cpu_prefix)
453 AC_DEFINE(USING_CGEN, 1, [Using cgen code?])
457 dnl Make sure the desired support files exist.
460 if test ! -r ${srcdir}/config/tc-${target_cpu_type}.c; then
461 AC_MSG_ERROR(GAS does not support target CPU ${target_cpu_type})
464 if test ! -r ${srcdir}/config/obj-${obj_format}.c; then
465 AC_MSG_ERROR(GAS does not have support for object file format ${obj_format})
468 case ${user_bfd_gas}-${primary_bfd_gas} in
470 # We didn't override user's choice.
473 AC_MSG_WARN(Use of BFD is required for ${target}; overriding config options.)
485 # User specified nothing.
489 # Some COFF configurations want these random other flags set.
490 case ${obj_format} in
492 case ${target_cpu_type} in
493 i386) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
494 m68k) AC_DEFINE(M68KCOFF, 1, [Using m68k COFF?]) ;;
495 m88k) AC_DEFINE(M88KCOFF, 1, [Using m88k COFF?]) ;;
500 # Getting this done right is going to be a bitch. Each configuration specified
501 # with --enable-targets=... should be checked for environment, format, cpu, and
504 # For each configuration, the necessary object file support code must be linked
505 # in. This might be only one, it might be up to four. The necessary emulation
506 # code needs to be provided, too.
508 # And then there's "--enable-targets=all"....
510 # For now, just always do it for MIPS ELF or ECOFF configurations. Sigh.
512 formats="${obj_format}"
516 for em in . $emulations ; do
519 mipsbelf | mipslelf | mipself)
520 fmt=elf file=mipself ;;
521 mipsbecoff | mipslecoff | mipsecoff)
522 fmt=ecoff file=mipsecoff ;;
530 formats="$formats $fmt"
531 emfiles="$emfiles e-$file.o"
532 EMULATIONS="$EMULATIONS &$em,"
536 if test `set . $formats ; shift ; echo $#` -gt 1 ; then
537 for fmt in $formats ; do
539 aout) AC_DEFINE(OBJ_MAYBE_AOUT, 1, [a.out support?]) ;;
540 bout) AC_DEFINE(OBJ_MAYBE_BOUT, 1, [b.out support?]) ;;
541 coff) AC_DEFINE(OBJ_MAYBE_COFF, 1, [COFF support?]) ;;
542 ecoff) AC_DEFINE(OBJ_MAYBE_ECOFF, 1, [ECOFF support?]) ;;
543 elf) AC_DEFINE(OBJ_MAYBE_ELF, 1, [ELF support?]) ;;
544 generic) AC_DEFINE(OBJ_MAYBE_GENERIC, 1, [generic support?]) ;;
545 hp300) AC_DEFINE(OBJ_MAYBE_HP300, 1, [HP300 support?]) ;;
546 ieee) AC_DEFINE(OBJ_MAYBE_IEEE, 1, [IEEE support?]) ;;
547 som) AC_DEFINE(OBJ_MAYBE_SOM, 1, [SOM support?]) ;;
548 vms) AC_DEFINE(OBJ_MAYBE_VMS, 1, [VMS support?]) ;;
550 extra_objects="$extra_objects obj-$fmt.o"
554 if test `set . $emfiles ; shift ; echo $#` -gt 0 ; then
555 DEFAULT_EMULATION=`set . $emulations ; echo $2`
556 # e-mips* has more than one emulation per file, e-i386* has just one at the
557 # moment. If only one emulation is specified, then don't define
558 # USE_EMULATIONS or include any of the e-files as they will only be bloat.
559 case "${obj_format}${emfiles}" in
561 extra_objects="$extra_objects $emfiles"
562 AC_DEFINE(USE_EMULATIONS, 1, [Use emulation support?]) ;;
565 AC_SUBST(extra_objects)
566 AC_DEFINE_UNQUOTED(EMULATIONS, $EMULATIONS, [Supported emulations.])
567 AC_DEFINE_UNQUOTED(DEFAULT_EMULATION, "$DEFAULT_EMULATION",
568 [Default emulation.])
570 case ${primary_bfd_gas}-${target_cpu_type}-${obj_format} in
571 yes-*-coff) need_bfd=yes ;;
572 no-*-coff) need_bfd=yes
573 AC_DEFINE(MANY_SEGMENTS, 1, [old COFF support?]) ;;
576 reject_dev_configs=yes
578 case ${reject_dev_configs}-${dev} in
580 AC_MSG_ERROR(GAS does not support the ${generic_target} configuration.)
584 AC_SUBST(target_cpu_type)
587 AC_SUBST(install_tooldir)
589 dnl AC_SUBST(emulation)
591 case "${primary_bfd_gas}" in
592 yes) AC_DEFINE(BFD_ASSEMBLER, 1, [Use BFD interface?])
596 # do we need the opcodes library?
597 case "${need_opcodes}" in
599 OPCODES_LIB=../opcodes/libopcodes.la
603 case "${need_bfd}" in
605 BFDLIB=../bfd/libbfd.la
606 BFDVER_H=../bfd/bfdver.h
607 ALL_OBJ_DEPS="$ALL_OBJ_DEPS"' ../bfd/bfd.h $(INCDIR)/symcat.h'
612 AC_SUBST(OPCODES_LIB)
615 AC_SUBST(ALL_OBJ_DEPS)
617 AC_DEFINE_UNQUOTED(TARGET_ALIAS, "${target_alias}", [Target alias.])
618 AC_DEFINE_UNQUOTED(TARGET_CANONICAL, "${target}", [Canonical target.])
619 AC_DEFINE_UNQUOTED(TARGET_CPU, "${target_cpu}", [Target CPU.])
620 AC_DEFINE_UNQUOTED(TARGET_VENDOR, "${target_vendor}", [Target vendor.])
621 AC_DEFINE_UNQUOTED(TARGET_OS, "${target_os}", [Target OS.])
628 ALL_LINGUAS="fr tr es"
634 AC_CHECK_HEADERS(string.h stdlib.h memory.h strings.h unistd.h stdarg.h varargs.h errno.h sys/types.h)
636 # Put this here so that autoconf's "cross-compiling" message doesn't confuse
637 # people who are not cross-compiling but are compiling cross-assemblers.
638 AC_MSG_CHECKING(whether compiling a cross-assembler)
639 if test "${host}" = "${target}"; then
643 AC_DEFINE(CROSS_COMPILE, 1, [Compiling cross-assembler?])
645 AC_MSG_RESULT($cross_gas)
647 dnl ansidecl.h will deal with const
652 # VMS doesn't have unlink.
653 AC_CHECK_FUNCS(unlink remove, break)
655 # Some systems don't have sbrk().
658 # do we need the math library?
659 case "${need_libm}" in
666 # Some non-ANSI preprocessors botch requoting inside strings. That's bad
667 # enough, but on some of those systems, the assert macro relies on requoting
671 # On some systems, the system header files may not declare malloc, realloc,
672 # and free. There are places where gas needs these functions to have been
673 # declared -- such as when taking their addresses.
681 #ifdef HAVE_STRINGS_H
692 GAS_CHECK_DECL_NEEDED(strstr, f, char *(*f)(), $gas_test_headers)
693 GAS_CHECK_DECL_NEEDED(malloc, f, char *(*f)(), $gas_test_headers)
694 GAS_CHECK_DECL_NEEDED(free, f, void (*f)(), $gas_test_headers)
695 GAS_CHECK_DECL_NEEDED(sbrk, f, char *(*f)(), $gas_test_headers)
696 GAS_CHECK_DECL_NEEDED(environ, f, char **f, $gas_test_headers)
698 # Does errno.h declare errno, or do we have to add a separate declaration
700 GAS_CHECK_DECL_NEEDED(errno, f, int f, [
706 dnl This must come last.
708 dnl We used to make symlinks to files in the source directory, but now
709 dnl we just use the right name for .c files, and create .h files in
710 dnl the build directory which include the right .h file. Make sure
711 dnl the old symlinks don't exist, so that a reconfigure in an existing
712 dnl directory behaves reasonably.
714 AC_CONFIG_FILES(Makefile doc/Makefile po/Makefile.in:po/Make-in)
715 AC_CONFIG_COMMANDS([default],
716 [rm -f targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c itbl-cpu.h
717 echo '#include "tc-'"${target_cpu_type}"'.h"' > targ-cpu.h
718 echo '#include "obj-'"${obj_format}"'.h"' > obj-format.h
719 echo '#include "te-'"${te_file}"'.h"' > targ-env.h
720 echo '#include "itbl-'"${target_cpu_type}"'.h"' > itbl-cpu.h
721 if test "x$cgen_cpu_prefix" != x ; then
722 echo '#include "opcodes/'"${cgen_cpu_prefix}"'-desc.h"' > cgen-desc.h
725 sed -e '/POTFILES =/r po/POTFILES' po/Makefile.in > po/Makefile],
726 [target_cpu_type=${target_cpu_type}
727 cgen_cpu_prefix=${cgen_cpu_prefix}
728 obj_format=${obj_format}