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, ${BFD_VERSION})
25 AC_ARG_ENABLE(targets,
26 [ --enable-targets alternative target configurations besides the primary],
27 [case "${enableval}" in
28 yes | "") AC_ERROR(enable-targets option must specify target names or 'all')
30 no) enable_targets= ;;
31 *) enable_targets=$enableval ;;
33 AC_ARG_ENABLE(commonbfdlib,
34 [ --enable-commonbfdlib build shared BFD/opcodes/libiberty library],
35 [case "${enableval}" in
36 yes) commonbfdlib=true ;;
37 no) commonbfdlib=false ;;
38 *) AC_MSG_ERROR([bad value ${enableval} for BFD commonbfdlib option]) ;;
43 # The location to which bugs should be reported.
45 AS_HELP_STRING([--with-bugurl=URL],
46 [Direct users to URL to report a bug]),
48 yes) AC_MSG_ERROR([bug URL not specified]) ;;
49 no) REPORT_BUGS_TO="" ;;
50 *) REPORT_BUGS_TO="<URL:$withval>" ;;
52 REPORT_BUGS_TO="<URL:http://www.sourceware.org/bugzilla/>"
54 AC_SUBST(REPORT_BUGS_TO)
58 # Generate a header file
59 AM_CONFIG_HEADER(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)
143 AC_MSG_ERROR(Unknown vendor for mips-bsd configuration.)
147 AC_DEFINE(AIX_WEAK_SUPPORT, 1,
148 [Define if using AIX 5.2 value for C_WEAKEXT.])
153 *) AC_MSG_ERROR(GNU/Linux must be configured big endian) ;;
157 if test ${this_target} = $target; then
158 AC_DEFINE(TARGET_SOLARIS_COMMENT, 1,
159 [Define if default target is PowerPC Solaris.])
161 if test x${endian} = xbig; then
162 AC_MSG_ERROR(Solaris must be configured little endian)
167 AC_DEFINE(TARGET_SYMBIAN, 1, [Define if target is Symbian OS.])
171 if test ${this_target} = $target ; then
173 if test x${endian} = xbig; then
175 elif test x${endian} = xlittle; then
178 if test x${endian_def} != x; then
179 AC_DEFINE_UNQUOTED(TARGET_BYTES_BIG_ENDIAN, $endian_def,
180 [Define as 1 if big endian.])
184 # Other random stuff.
188 # Set mips_cpu to the name of the default CPU.
189 case ${target_cpu} in
190 mips | mipsbe | mipseb | mipsle | mipsel | mips64 | mips64el)
193 mipsisa32 | mipsisa32el)
196 mipsisa32r2 | mipsisa32r2el)
199 mipsisa64 | mipsisa64el)
202 mipsisa64r2 | mipsisa64r2el)
205 mipstx39 | mipstx39el)
208 mips64vr | mips64vrel)
211 mipsisa32r2* | mipsisa64r2*)
213 mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..r2//' -e 's/el$//'`
216 mips64* | mipsisa64* | mipsisa32*)
218 mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..//' -e 's/el$//'`
222 AC_ERROR($target_cpu isn't a supported MIPS CPU name)
225 # See whether it's appropriate to set E_MIPS_ABI_O32 for o32
226 # binaries. It's a GNU extension that some OSes don't understand.
227 # The value only matters on ELF targets.
236 # Decide whether to generate 32-bit or 64-bit code by default.
237 # Used to resolve -march=from-abi when an embedded ABI is selected.
239 mips64*-*-* | mipsisa64*-*-*)
246 # Decide which ABI to target by default.
248 mips64*-linux* | mips-sgi-irix6*)
249 mips_default_abi=N32_ABI
252 mips_default_abi=O32_ABI
255 mips_default_abi=N64_ABI
258 mips_default_abi=NO_ABI
261 AC_DEFINE_UNQUOTED(MIPS_CPU_STRING_DEFAULT, "$mips_cpu",
262 [Default CPU for MIPS targets. ])
263 AC_DEFINE_UNQUOTED(USE_E_MIPS_ABI_O32, $use_e_mips_abi_o32,
264 [Allow use of E_MIPS_ABI_O32 on MIPS targets. ])
265 AC_DEFINE_UNQUOTED(MIPS_DEFAULT_64BIT, $mips_default_64bit,
266 [Generate 64-bit code by default on MIPS targets. ])
267 AC_DEFINE_UNQUOTED(MIPS_DEFAULT_ABI, $mips_default_abi,
268 [Choose a default ABI for MIPS targets. ])
272 # Do we need the opcodes library?
280 case "${enable_shared}" in
281 yes) shared_opcodes=true ;;
282 *opcodes*) shared_opcodes=true ;;
283 *) shared_opcodes=false ;;
288 # Any other special object files needed ?
292 echo ${extra_objects} | grep -s "bfin-parse.o"
293 if test $? -ne 0 ; then
294 extra_objects="$extra_objects bfin-parse.o"
297 echo ${extra_objects} | grep -s "bfin-lex.o"
298 if test $? -ne 0 ; then
299 extra_objects="$extra_objects bfin-lex.o"
303 fr30 | ip2k | iq2000 | m32r | openrisc)
314 case ${extra_objects} in
316 *) extra_objects="$extra_objects m68k-parse.o" ;;
325 echo ${extra_objects} | grep -s "itbl-parse.o"
326 if test $? -ne 0 ; then
327 extra_objects="$extra_objects itbl-parse.o"
330 echo ${extra_objects} | grep -s "itbl-lex.o"
331 if test $? -ne 0 ; then
332 extra_objects="$extra_objects itbl-lex.o"
335 echo ${extra_objects} | grep -s "itbl-ops.o"
336 if test $? -ne 0 ; then
337 extra_objects="$extra_objects itbl-ops.o"
346 if test $this_target = $target ; then
347 AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
360 echo ${extra_objects} | grep -s "xtensa-relax.o"
361 if test $? -ne 0 ; then
362 extra_objects="$extra_objects xtensa-relax.o"
370 if test $using_cgen = yes ; then
371 case "x${extra_objects}" in
373 *) extra_objects="$extra_objects cgen.o" ;;
377 # See if we really can support this configuration with the emulation code.
379 if test $this_target = $target ; then
384 # From target name and format, produce a list of supported emulations.
386 case ${generic_target}-${fmt} in
387 mips-*-irix5*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
388 mips*-*-linux*-*) case "$endian" in
389 big) emulation="mipsbelf mipslelf mipself" ;;
390 *) emulation="mipslelf mipsbelf mipself" ;;
392 mips-*-lnews*-ecoff) ;;
393 mips-*-*-ecoff) case "$endian" in
394 big) emulation="mipsbecoff mipslecoff mipsecoff" ;;
395 *) emulation="mipslecoff mipsbecoff mipsecoff" ;;
397 mips-*-*-elf) case "$endian" in
398 big) emulation="mipsbelf mipslelf mipself" ;;
399 *) emulation="mipslelf mipsbelf mipself" ;;
401 mips-*-sysv4*MP*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
402 # i386-pc-pe-coff != i386-pc-coff.
404 # Uncommenting the next line will turn on support for i386 AOUT
405 # for the default linux configuration
406 # i386-*-linux*-elf) emulation="i386elf i386aout" ;;
408 i386-*-aout) emulation="i386aout" ;;
409 i386-*-coff) emulation="i386coff" ;;
410 i386-*-elf) emulation="i386elf" ;;
412 # Always all formats. The first stated emulation becomes the default.
413 cris-*-*aout*) emulation="crisaout criself" ;;
414 cris-*-*) emulation="criself crisaout" ;;
417 emulations="$emulations $emulation"
421 # Turn on all targets if possible
422 if test ${all_targets} = "yes"; then
423 case ${target_cpu_type} in
425 case ${obj_format} in
427 emulations="$emulations i386coff i386elf"
430 emulations="$emulations i386aout i386elf"
433 emulations="$emulations i386aout i386coff"
438 case ${obj_format} in
440 emulations="$emulations i386coff i386elf"
443 emulations="$emulations i386aout i386elf"
446 emulations="$emulations i386aout i386coff"
453 # Assign floating point type. Most processors with FP support
454 # IEEE FP. On those that don't support FP at all, usually IEEE
456 case ${target_cpu} in
457 vax | pdp11 ) atof=vax ;;
461 case "${obj_format}" in
462 "") AC_MSG_ERROR(GAS does not know what format to use for target ${target}) ;;
465 # Unfortunately the cpu in cpu-opc.h file isn't always $(TARGET_CPU).
467 if test $using_cgen = yes ; then
468 case ${target_cpu} in
469 *) cgen_cpu_prefix=${target_cpu} ;;
471 AC_SUBST(cgen_cpu_prefix)
472 AC_DEFINE(USING_CGEN, 1, [Using cgen code?])
476 dnl Make sure the desired support files exist.
479 if test ! -r ${srcdir}/config/tc-${target_cpu_type}.c; then
480 AC_MSG_ERROR(GAS does not support target CPU ${target_cpu_type})
483 if test ! -r ${srcdir}/config/obj-${obj_format}.c; then
484 AC_MSG_ERROR(GAS does not have support for object file format ${obj_format})
487 # Some COFF configurations want these random other flags set.
488 case ${obj_format} in
490 case ${target_cpu_type} in
491 i386) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
492 m68k) AC_DEFINE(M68KCOFF, 1, [Using m68k COFF?]) ;;
493 m88k) AC_DEFINE(M88KCOFF, 1, [Using m88k COFF?]) ;;
494 x86_64) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
499 # Getting this done right is going to be a bitch. Each configuration specified
500 # with --enable-targets=... should be checked for environment, format, cpu
503 # For each configuration, the necessary object file support code must be linked
504 # in. This might be only one, it might be up to four. The necessary emulation
505 # code needs to be provided, too.
507 # And then there's "--enable-targets=all"....
509 # For now, just always do it for MIPS ELF or ECOFF configurations. Sigh.
511 formats="${obj_format}"
515 for em in . $emulations ; do
518 mipsbelf | mipslelf | mipself)
519 fmt=elf file=mipself ;;
520 mipsbecoff | mipslecoff | mipsecoff)
521 fmt=ecoff file=mipsecoff ;;
529 formats="$formats $fmt"
530 emfiles="$emfiles e-$file.o"
531 EMULATIONS="$EMULATIONS &$em,"
535 if test `set . $formats ; shift ; echo $#` -gt 1 ; then
536 for fmt in $formats ; do
538 aout) AC_DEFINE(OBJ_MAYBE_AOUT, 1, [a.out support?]) ;;
539 bout) AC_DEFINE(OBJ_MAYBE_BOUT, 1, [b.out support?]) ;;
540 coff) AC_DEFINE(OBJ_MAYBE_COFF, 1, [COFF support?]) ;;
541 ecoff) AC_DEFINE(OBJ_MAYBE_ECOFF, 1, [ECOFF support?]) ;;
542 elf) AC_DEFINE(OBJ_MAYBE_ELF, 1, [ELF support?]) ;;
543 generic) AC_DEFINE(OBJ_MAYBE_GENERIC, 1, [generic support?]) ;;
544 som) AC_DEFINE(OBJ_MAYBE_SOM, 1, [SOM support?]) ;;
546 extra_objects="$extra_objects obj-$fmt.o"
550 if test `set . $emfiles ; shift ; echo $#` -gt 0 ; then
551 DEFAULT_EMULATION=`set . $emulations ; echo $2`
552 # e-mips* has more than one emulation per file, e-i386* has just one at the
553 # moment. If only one emulation is specified, then don't define
554 # USE_EMULATIONS or include any of the e-files as they will only be bloat.
555 case "${obj_format}${emfiles}" in
557 extra_objects="$extra_objects $emfiles"
558 AC_DEFINE(USE_EMULATIONS, 1, [Use emulation support?]) ;;
561 AC_SUBST(extra_objects)
562 AC_DEFINE_UNQUOTED(EMULATIONS, $EMULATIONS, [Supported emulations.])
563 AC_DEFINE_UNQUOTED(DEFAULT_EMULATION, "$DEFAULT_EMULATION",
564 [Default emulation.])
566 reject_dev_configs=yes
568 case ${reject_dev_configs}-${dev} in
570 AC_MSG_ERROR(GAS does not support the ${generic_target} configuration.)
574 AC_SUBST(target_cpu_type)
577 AC_SUBST(install_tooldir)
579 dnl AC_SUBST(emulation)
581 # do we need the opcodes library?
582 case "${need_opcodes}" in
584 OPCODES_LIB=../opcodes/libopcodes.la
588 AC_SUBST(OPCODES_LIB)
590 AC_DEFINE_UNQUOTED(TARGET_ALIAS, "${target_alias}", [Target alias.])
591 AC_DEFINE_UNQUOTED(TARGET_CANONICAL, "${target}", [Canonical target.])
592 AC_DEFINE_UNQUOTED(TARGET_CPU, "${target_cpu}", [Target CPU.])
593 AC_DEFINE_UNQUOTED(TARGET_VENDOR, "${target_vendor}", [Target vendor.])
594 AC_DEFINE_UNQUOTED(TARGET_OS, "${target_os}", [Target OS.])
601 ALL_LINGUAS="fr tr es rw"
602 ZW_GNU_GETTEXT_SISTER_DIR
606 AM_CONDITIONAL(GENINSRC_NEVER, false)
609 AC_CHECK_HEADERS(string.h stdlib.h memory.h strings.h unistd.h stdarg.h varargs.h errno.h sys/types.h)
611 # Put this here so that autoconf's "cross-compiling" message doesn't confuse
612 # people who are not cross-compiling but are compiling cross-assemblers.
613 AC_MSG_CHECKING(whether compiling a cross-assembler)
614 if test "${host}" = "${target}"; then
618 AC_DEFINE(CROSS_COMPILE, 1, [Compiling cross-assembler?])
620 AC_MSG_RESULT($cross_gas)
622 dnl ansidecl.h will deal with const
627 # VMS doesn't have unlink.
628 AC_CHECK_FUNCS(unlink remove, break)
630 # Some systems don't have sbrk().
633 # do we need the math library?
634 case "${need_libm}" in
641 # Some non-ANSI preprocessors botch requoting inside strings. That's bad
642 # enough, but on some of those systems, the assert macro relies on requoting
646 # On some systems, the system header files may not declare malloc, realloc,
647 # and free. There are places where gas needs these functions to have been
648 # declared -- such as when taking their addresses.
656 #ifdef HAVE_STRINGS_H
668 # Does errno.h declare errno, or do we have to add a separate declaration
670 GAS_CHECK_DECL_NEEDED(errno, f, int f, [
676 AC_MSG_CHECKING(for a known getopt prototype in unistd.h)
677 AC_CACHE_VAL(gas_cv_decl_getopt_unistd_h,
678 [AC_TRY_COMPILE([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);],
679 gas_cv_decl_getopt_unistd_h=yes, gas_cv_decl_getopt_unistd_h=no)])
680 AC_MSG_RESULT($gas_cv_decl_getopt_unistd_h)
681 if test $gas_cv_decl_getopt_unistd_h = yes; then
682 AC_DEFINE([HAVE_DECL_GETOPT], 1,
683 [Is the prototype for getopt in <unistd.h> in the expected format?])
686 GAS_CHECK_DECL_NEEDED(environ, f, char **f, $gas_test_headers)
687 GAS_CHECK_DECL_NEEDED(ffs, f, int (*f)(int), $gas_test_headers)
688 GAS_CHECK_DECL_NEEDED(free, f, void (*f)(), $gas_test_headers)
689 GAS_CHECK_DECL_NEEDED(malloc, f, char *(*f)(), $gas_test_headers)
690 GAS_CHECK_DECL_NEEDED(sbrk, f, char *(*f)(), $gas_test_headers)
691 GAS_CHECK_DECL_NEEDED(strstr, f, char *(*f)(), $gas_test_headers)
693 AC_CHECK_DECLS([vsnprintf])
697 dnl Required for html and install-html targets.
698 AC_SUBST(datarootdir)
702 dnl This must come last.
704 dnl We used to make symlinks to files in the source directory, but now
705 dnl we just use the right name for .c files, and create .h files in
706 dnl the build directory which include the right .h file. Make sure
707 dnl the old symlinks don't exist, so that a reconfigure in an existing
708 dnl directory behaves reasonably.
710 AC_CONFIG_FILES(Makefile doc/Makefile po/Makefile.in:po/Make-in)
711 AC_CONFIG_COMMANDS([default],
712 [rm -f targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c itbl-cpu.h
713 echo '#include "tc-'"${target_cpu_type}"'.h"' > targ-cpu.h
714 echo '#include "obj-'"${obj_format}"'.h"' > obj-format.h
715 echo '#include "te-'"${te_file}"'.h"' > targ-env.h
716 echo '#include "itbl-'"${target_cpu_type}"'.h"' > itbl-cpu.h
717 if test "x$cgen_cpu_prefix" != x ; then
718 echo '#include "opcodes/'"${cgen_cpu_prefix}"'-desc.h"' > cgen-desc.h
720 [target_cpu_type=${target_cpu_type}
721 cgen_cpu_prefix=${cgen_cpu_prefix}
722 obj_format=${obj_format}