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, ${BFD_VERSION})
25 AC_ARG_ENABLE(targets,
26 [ targets alternative target configurations besides the primary],
27 [case "${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]) ;;
45 # Generate a header file
46 AM_CONFIG_HEADER(config.h:config.in)
48 # If we are on a DOS filesystem, we must use gdb.ini rather than
51 *-*-msdos* | *-*-go32* | *-*-mingw32* | *-*-windows*)
53 AC_CONFIG_FILES(gdb.ini:gdbinit.in)
57 AC_CONFIG_FILES(.gdbinit:gdbinit.in)
62 #We need this for the host. BOUT header is in host order.
67 # Makefile target for installing gas in $(tooldir)/bin.
68 install_tooldir=install-exec-tooldir
72 if test -n "$enable_targets" ; then
73 for t in `echo $enable_targets | sed 's/,/ /g'`; do
74 if test $t = "all"; then
78 result=`$ac_config_sub $t 2>/dev/null`
79 if test -n "$result" ; then
80 canon_targets="$canon_targets $result"
82 # # Permit "all", etc. We don't support it yet though.
83 # canon_targets="$canon_targets $t"
86 GAS_UNIQ(canon_targets)
91 for this_target in $target $canon_targets ; do
94 . ${srcdir}/configure.tgt
98 AC_DEFINE_UNQUOTED(DEFAULT_CRIS_ARCH, $arch,
99 [Default CRIS architecture.])
103 if test ${this_target} = $target ; then
104 target_cpu_type=${cpu_type}
105 elif test ${target_cpu_type} != ${cpu_type} ; then
109 generic_target=${cpu_type}-${target_vendor}-${target_os}
110 case ${generic_target} in
112 if test ${this_target} = $target; then
113 AC_DEFINE(SCO_ELF, 1, [Define if defaulting to ELF on SCO 5.])
120 AC_DEFINE(STRICTCOFF, 1, [Using strict COFF?])
124 AC_MSG_WARN(GAS support for ${generic_target} is preliminary and a work in progress)
130 AC_MSG_ERROR(Unknown vendor for mips-bsd configuration.)
134 AC_DEFINE(AIX_WEAK_SUPPORT, 1,
135 [Define if using AIX 5.2 value for C_WEAKEXT.])
140 *) AC_MSG_ERROR(GNU/Linux must be configured big endian) ;;
144 if test ${this_target} = $target; then
145 AC_DEFINE(TARGET_SOLARIS_COMMENT, 1,
146 [Define if default target is PowerPC Solaris.])
148 if test x${endian} = xbig; then
149 AC_MSG_ERROR(Solaris must be configured little endian)
154 AC_DEFINE(TARGET_SYMBIAN, 1, [Define if target is Symbian OS.])
158 if test ${this_target} = $target ; then
160 if test x${endian} = xbig; then
162 elif test x${endian} = xlittle; then
165 if test x${endian_def} != x; then
166 AC_DEFINE_UNQUOTED(TARGET_BYTES_BIG_ENDIAN, $endian_def,
167 [Define as 1 if big endian.])
171 # Other random stuff.
175 # Set mips_cpu to the name of the default CPU.
176 case ${target_cpu} in
177 mips | mipsbe | mipseb | mipsle | mipsel | mips64 | mips64el)
180 mipsisa32 | mipsisa32el)
183 mipsisa32r2 | mipsisa32r2el)
186 mipsisa64 | mipsisa64el)
189 mipsisa64r2 | mipsisa64r2el)
192 mipstx39 | mipstx39el)
195 mips64vr | mips64vrel)
198 mipsisa32r2* | mipsisa64r2*)
200 mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..r2//' -e 's/el$//'`
203 mips64* | mipsisa64* | mipsisa32*)
205 mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..//' -e 's/el$//'`
209 AC_ERROR($target_cpu isn't a supported MIPS CPU name)
212 # See whether it's appropriate to set E_MIPS_ABI_O32 for o32
213 # binaries. It's a GNU extension that some OSes don't understand.
214 # The value only matters on ELF targets.
223 # Decide whether to generate 32-bit or 64-bit code by default.
224 # Used to resolve -march=from-abi when an embedded ABI is selected.
226 mips64*-*-* | mipsisa64*-*-*)
233 # Decide which ABI to target by default.
235 mips64*-linux* | mips-sgi-irix6*)
236 mips_default_abi=N32_ABI
239 mips_default_abi=O32_ABI
242 mips_default_abi=N64_ABI
245 mips_default_abi=NO_ABI
248 AC_DEFINE_UNQUOTED(MIPS_CPU_STRING_DEFAULT, "$mips_cpu",
249 [Default CPU for MIPS targets. ])
250 AC_DEFINE_UNQUOTED(USE_E_MIPS_ABI_O32, $use_e_mips_abi_o32,
251 [Allow use of E_MIPS_ABI_O32 on MIPS targets. ])
252 AC_DEFINE_UNQUOTED(MIPS_DEFAULT_64BIT, $mips_default_64bit,
253 [Generate 64-bit code by default on MIPS targets. ])
254 AC_DEFINE_UNQUOTED(MIPS_DEFAULT_ABI, $mips_default_abi,
255 [Choose a default ABI for MIPS targets. ])
259 # Do we need the opcodes library?
267 case "${enable_shared}" in
268 yes) shared_opcodes=true ;;
269 *opcodes*) shared_opcodes=true ;;
270 *) shared_opcodes=false ;;
275 # Any other special object files needed ?
277 fr30 | ip2k | iq2000 | m32r | openrisc)
288 case ${extra_objects} in
290 *) extra_objects="$extra_objects m68k-parse.o" ;;
295 echo ${extra_objects} | grep -s "itbl-parse.o"
296 if test $? -ne 0 ; then
297 extra_objects="$extra_objects itbl-parse.o"
300 echo ${extra_objects} | grep -s "itbl-lex.o"
301 if test $? -ne 0 ; then
302 extra_objects="$extra_objects itbl-lex.o"
305 echo ${extra_objects} | grep -s "itbl-ops.o"
306 if test $? -ne 0 ; then
307 extra_objects="$extra_objects itbl-ops.o"
316 if test $this_target = $target ; then
317 AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
326 echo ${extra_objects} | grep -s "xtensa-relax.o"
327 if test $? -ne 0 ; then
328 extra_objects="$extra_objects xtensa-relax.o"
336 if test $using_cgen = yes ; then
337 case "x${extra_objects}" in
339 *) extra_objects="$extra_objects cgen.o" ;;
343 # See if we really can support this configuration with the emulation code.
345 if test $this_target = $target ; then
350 # From target name and format, produce a list of supported emulations.
352 case ${generic_target}-${fmt} in
353 mips-*-irix5*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
354 mips*-*-linux*-*) case "$endian" in
355 big) emulation="mipsbelf mipslelf mipself" ;;
356 *) emulation="mipslelf mipsbelf mipself" ;;
358 mips-*-lnews*-ecoff) ;;
359 mips-*-*-ecoff) case "$endian" in
360 big) emulation="mipsbecoff mipslecoff mipsecoff" ;;
361 *) emulation="mipslecoff mipsbecoff mipsecoff" ;;
363 mips-*-*-elf) case "$endian" in
364 big) emulation="mipsbelf mipslelf mipself" ;;
365 *) emulation="mipslelf mipsbelf mipself" ;;
367 mips-*-sysv4*MP*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
368 # i386-pc-pe-coff != i386-pc-coff.
370 # Uncommenting the next line will turn on support for i386 AOUT
371 # for the default linux configuration
372 # i386-*-linux*-elf) emulation="i386elf i386aout" ;;
374 i386-*-aout) emulation="i386aout" ;;
375 i386-*-coff) emulation="i386coff" ;;
376 i386-*-elf) emulation="i386elf" ;;
378 # Always all formats. The first stated emulation becomes the default.
379 cris-*-*aout*) emulation="crisaout criself" ;;
380 cris-*-*) emulation="criself crisaout" ;;
383 emulations="$emulations $emulation"
387 # Turn on all targets if possible
388 if test ${all_targets} = "yes"; then
389 case ${target_cpu_type} in
391 case ${obj_format} in
393 emulations="$emulations i386coff i386elf"
396 emulations="$emulations i386aout i386elf"
399 emulations="$emulations i386aout i386coff"
406 # Assign floating point type. Most processors with FP support
407 # IEEE FP. On those that don't support FP at all, usually IEEE
409 case ${target_cpu} in
410 vax | tahoe ) atof=${target_cpu} ;;
415 case "${obj_format}" in
416 "") AC_MSG_ERROR(GAS does not know what format to use for target ${target}) ;;
419 # Unfortunately the cpu in cpu-opc.h file isn't always $(TARGET_CPU).
421 if test $using_cgen = yes ; then
422 case ${target_cpu} in
423 *) cgen_cpu_prefix=${target_cpu} ;;
425 AC_SUBST(cgen_cpu_prefix)
426 AC_DEFINE(USING_CGEN, 1, [Using cgen code?])
430 dnl Make sure the desired support files exist.
433 if test ! -r ${srcdir}/config/tc-${target_cpu_type}.c; then
434 AC_MSG_ERROR(GAS does not support target CPU ${target_cpu_type})
437 if test ! -r ${srcdir}/config/obj-${obj_format}.c; then
438 AC_MSG_ERROR(GAS does not have support for object file format ${obj_format})
441 # Some COFF configurations want these random other flags set.
442 case ${obj_format} in
444 case ${target_cpu_type} in
445 i386) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
446 m68k) AC_DEFINE(M68KCOFF, 1, [Using m68k COFF?]) ;;
447 m88k) AC_DEFINE(M88KCOFF, 1, [Using m88k COFF?]) ;;
452 # Getting this done right is going to be a bitch. Each configuration specified
453 # with --enable-targets=... should be checked for environment, format, cpu
456 # For each configuration, the necessary object file support code must be linked
457 # in. This might be only one, it might be up to four. The necessary emulation
458 # code needs to be provided, too.
460 # And then there's "--enable-targets=all"....
462 # For now, just always do it for MIPS ELF or ECOFF configurations. Sigh.
464 formats="${obj_format}"
468 for em in . $emulations ; do
471 mipsbelf | mipslelf | mipself)
472 fmt=elf file=mipself ;;
473 mipsbecoff | mipslecoff | mipsecoff)
474 fmt=ecoff file=mipsecoff ;;
482 formats="$formats $fmt"
483 emfiles="$emfiles e-$file.o"
484 EMULATIONS="$EMULATIONS &$em,"
488 if test `set . $formats ; shift ; echo $#` -gt 1 ; then
489 for fmt in $formats ; do
491 aout) AC_DEFINE(OBJ_MAYBE_AOUT, 1, [a.out support?]) ;;
492 bout) AC_DEFINE(OBJ_MAYBE_BOUT, 1, [b.out support?]) ;;
493 coff) AC_DEFINE(OBJ_MAYBE_COFF, 1, [COFF support?]) ;;
494 ecoff) AC_DEFINE(OBJ_MAYBE_ECOFF, 1, [ECOFF support?]) ;;
495 elf) AC_DEFINE(OBJ_MAYBE_ELF, 1, [ELF support?]) ;;
496 generic) AC_DEFINE(OBJ_MAYBE_GENERIC, 1, [generic support?]) ;;
497 ieee) AC_DEFINE(OBJ_MAYBE_IEEE, 1, [IEEE support?]) ;;
498 som) AC_DEFINE(OBJ_MAYBE_SOM, 1, [SOM support?]) ;;
500 extra_objects="$extra_objects obj-$fmt.o"
504 if test `set . $emfiles ; shift ; echo $#` -gt 0 ; then
505 DEFAULT_EMULATION=`set . $emulations ; echo $2`
506 # e-mips* has more than one emulation per file, e-i386* has just one at the
507 # moment. If only one emulation is specified, then don't define
508 # USE_EMULATIONS or include any of the e-files as they will only be bloat.
509 case "${obj_format}${emfiles}" in
511 extra_objects="$extra_objects $emfiles"
512 AC_DEFINE(USE_EMULATIONS, 1, [Use emulation support?]) ;;
515 AC_SUBST(extra_objects)
516 AC_DEFINE_UNQUOTED(EMULATIONS, $EMULATIONS, [Supported emulations.])
517 AC_DEFINE_UNQUOTED(DEFAULT_EMULATION, "$DEFAULT_EMULATION",
518 [Default emulation.])
520 reject_dev_configs=yes
522 case ${reject_dev_configs}-${dev} in
524 AC_MSG_ERROR(GAS does not support the ${generic_target} configuration.)
528 AC_SUBST(target_cpu_type)
531 AC_SUBST(install_tooldir)
533 dnl AC_SUBST(emulation)
535 # do we need the opcodes library?
536 case "${need_opcodes}" in
538 OPCODES_LIB=../opcodes/libopcodes.la
542 BFDLIB=../bfd/libbfd.la
543 BFDVER_H=../bfd/bfdver.h
544 ALL_OBJ_DEPS="$ALL_OBJ_DEPS"' ../bfd/bfd.h $(INCDIR)/symcat.h'
547 AC_SUBST(OPCODES_LIB)
550 AC_SUBST(ALL_OBJ_DEPS)
552 AC_DEFINE_UNQUOTED(TARGET_ALIAS, "${target_alias}", [Target alias.])
553 AC_DEFINE_UNQUOTED(TARGET_CANONICAL, "${target}", [Canonical target.])
554 AC_DEFINE_UNQUOTED(TARGET_CPU, "${target_cpu}", [Target CPU.])
555 AC_DEFINE_UNQUOTED(TARGET_VENDOR, "${target_vendor}", [Target vendor.])
556 AC_DEFINE_UNQUOTED(TARGET_OS, "${target_os}", [Target OS.])
563 ALL_LINGUAS="fr tr es rw"
569 AC_CHECK_HEADERS(string.h stdlib.h memory.h strings.h unistd.h stdarg.h varargs.h errno.h sys/types.h)
571 # Put this here so that autoconf's "cross-compiling" message doesn't confuse
572 # people who are not cross-compiling but are compiling cross-assemblers.
573 AC_MSG_CHECKING(whether compiling a cross-assembler)
574 if test "${host}" = "${target}"; then
578 AC_DEFINE(CROSS_COMPILE, 1, [Compiling cross-assembler?])
580 AC_MSG_RESULT($cross_gas)
582 dnl ansidecl.h will deal with const
587 # VMS doesn't have unlink.
588 AC_CHECK_FUNCS(unlink remove, break)
590 # Some systems don't have sbrk().
593 # do we need the math library?
594 case "${need_libm}" in
601 # Some non-ANSI preprocessors botch requoting inside strings. That's bad
602 # enough, but on some of those systems, the assert macro relies on requoting
606 # On some systems, the system header files may not declare malloc, realloc,
607 # and free. There are places where gas needs these functions to have been
608 # declared -- such as when taking their addresses.
616 #ifdef HAVE_STRINGS_H
628 # Does errno.h declare errno, or do we have to add a separate declaration
630 GAS_CHECK_DECL_NEEDED(errno, f, int f, [
636 AC_MSG_CHECKING(for a known getopt prototype in unistd.h)
637 AC_CACHE_VAL(gas_cv_decl_getopt_unistd_h,
638 [AC_TRY_COMPILE([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);],
639 gas_cv_decl_getopt_unistd_h=yes, gas_cv_decl_getopt_unistd_h=no)])
640 AC_MSG_RESULT($gas_cv_decl_getopt_unistd_h)
641 if test $gas_cv_decl_getopt_unistd_h = yes; then
642 AC_DEFINE([HAVE_DECL_GETOPT], 1,
643 [Is the prototype for getopt in <unistd.h> in the expected format?])
646 GAS_CHECK_DECL_NEEDED(environ, f, char **f, $gas_test_headers)
647 GAS_CHECK_DECL_NEEDED(ffs, f, int (*f)(int), $gas_test_headers)
648 GAS_CHECK_DECL_NEEDED(free, f, void (*f)(), $gas_test_headers)
649 GAS_CHECK_DECL_NEEDED(malloc, f, char *(*f)(), $gas_test_headers)
650 GAS_CHECK_DECL_NEEDED(sbrk, f, char *(*f)(), $gas_test_headers)
651 GAS_CHECK_DECL_NEEDED(strstr, f, char *(*f)(), $gas_test_headers)
653 dnl This must come last.
655 dnl We used to make symlinks to files in the source directory, but now
656 dnl we just use the right name for .c files, and create .h files in
657 dnl the build directory which include the right .h file. Make sure
658 dnl the old symlinks don't exist, so that a reconfigure in an existing
659 dnl directory behaves reasonably.
661 AC_CONFIG_FILES(Makefile doc/Makefile po/Makefile.in:po/Make-in)
662 AC_CONFIG_COMMANDS([default],
663 [rm -f targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c itbl-cpu.h
664 echo '#include "tc-'"${target_cpu_type}"'.h"' > targ-cpu.h
665 echo '#include "obj-'"${obj_format}"'.h"' > obj-format.h
666 echo '#include "te-'"${te_file}"'.h"' > targ-env.h
667 echo '#include "itbl-'"${target_cpu_type}"'.h"' > itbl-cpu.h
668 if test "x$cgen_cpu_prefix" != x ; then
669 echo '#include "opcodes/'"${cgen_cpu_prefix}"'-desc.h"' > cgen-desc.h
672 sed -e '/POTFILES =/r po/POTFILES' po/Makefile.in > po/Makefile],
673 [target_cpu_type=${target_cpu_type}
674 cgen_cpu_prefix=${cgen_cpu_prefix}
675 obj_format=${obj_format}