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 ?
279 echo ${extra_objects} | grep -s "bfin-parse.o"
280 if test $? -ne 0 ; then
281 extra_objects="$extra_objects bfin-parse.o"
284 echo ${extra_objects} | grep -s "bfin-lex.o"
285 if test $? -ne 0 ; then
286 extra_objects="$extra_objects bfin-lex.o"
290 fr30 | ip2k | iq2000 | m32r | openrisc)
301 case ${extra_objects} in
303 *) extra_objects="$extra_objects m68k-parse.o" ;;
308 echo ${extra_objects} | grep -s "itbl-parse.o"
309 if test $? -ne 0 ; then
310 extra_objects="$extra_objects itbl-parse.o"
313 echo ${extra_objects} | grep -s "itbl-lex.o"
314 if test $? -ne 0 ; then
315 extra_objects="$extra_objects itbl-lex.o"
318 echo ${extra_objects} | grep -s "itbl-ops.o"
319 if test $? -ne 0 ; then
320 extra_objects="$extra_objects itbl-ops.o"
329 if test $this_target = $target ; then
330 AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
339 echo ${extra_objects} | grep -s "xtensa-relax.o"
340 if test $? -ne 0 ; then
341 extra_objects="$extra_objects xtensa-relax.o"
349 if test $using_cgen = yes ; then
350 case "x${extra_objects}" in
352 *) extra_objects="$extra_objects cgen.o" ;;
356 # See if we really can support this configuration with the emulation code.
358 if test $this_target = $target ; then
363 # From target name and format, produce a list of supported emulations.
365 case ${generic_target}-${fmt} in
366 mips-*-irix5*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
367 mips*-*-linux*-*) case "$endian" in
368 big) emulation="mipsbelf mipslelf mipself" ;;
369 *) emulation="mipslelf mipsbelf mipself" ;;
371 mips-*-lnews*-ecoff) ;;
372 mips-*-*-ecoff) case "$endian" in
373 big) emulation="mipsbecoff mipslecoff mipsecoff" ;;
374 *) emulation="mipslecoff mipsbecoff mipsecoff" ;;
376 mips-*-*-elf) case "$endian" in
377 big) emulation="mipsbelf mipslelf mipself" ;;
378 *) emulation="mipslelf mipsbelf mipself" ;;
380 mips-*-sysv4*MP*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
381 # i386-pc-pe-coff != i386-pc-coff.
383 # Uncommenting the next line will turn on support for i386 AOUT
384 # for the default linux configuration
385 # i386-*-linux*-elf) emulation="i386elf i386aout" ;;
387 i386-*-aout) emulation="i386aout" ;;
388 i386-*-coff) emulation="i386coff" ;;
389 i386-*-elf) emulation="i386elf" ;;
391 # Always all formats. The first stated emulation becomes the default.
392 cris-*-*aout*) emulation="crisaout criself" ;;
393 cris-*-*) emulation="criself crisaout" ;;
396 emulations="$emulations $emulation"
400 # Turn on all targets if possible
401 if test ${all_targets} = "yes"; then
402 case ${target_cpu_type} in
404 case ${obj_format} in
406 emulations="$emulations i386coff i386elf"
409 emulations="$emulations i386aout i386elf"
412 emulations="$emulations i386aout i386coff"
419 # Assign floating point type. Most processors with FP support
420 # IEEE FP. On those that don't support FP at all, usually IEEE
422 case ${target_cpu} in
423 vax | tahoe ) atof=${target_cpu} ;;
428 case "${obj_format}" in
429 "") AC_MSG_ERROR(GAS does not know what format to use for target ${target}) ;;
432 # Unfortunately the cpu in cpu-opc.h file isn't always $(TARGET_CPU).
434 if test $using_cgen = yes ; then
435 case ${target_cpu} in
436 *) cgen_cpu_prefix=${target_cpu} ;;
438 AC_SUBST(cgen_cpu_prefix)
439 AC_DEFINE(USING_CGEN, 1, [Using cgen code?])
443 dnl Make sure the desired support files exist.
446 if test ! -r ${srcdir}/config/tc-${target_cpu_type}.c; then
447 AC_MSG_ERROR(GAS does not support target CPU ${target_cpu_type})
450 if test ! -r ${srcdir}/config/obj-${obj_format}.c; then
451 AC_MSG_ERROR(GAS does not have support for object file format ${obj_format})
454 # Some COFF configurations want these random other flags set.
455 case ${obj_format} in
457 case ${target_cpu_type} in
458 i386) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
459 m68k) AC_DEFINE(M68KCOFF, 1, [Using m68k COFF?]) ;;
460 m88k) AC_DEFINE(M88KCOFF, 1, [Using m88k COFF?]) ;;
465 # Getting this done right is going to be a bitch. Each configuration specified
466 # with --enable-targets=... should be checked for environment, format, cpu
469 # For each configuration, the necessary object file support code must be linked
470 # in. This might be only one, it might be up to four. The necessary emulation
471 # code needs to be provided, too.
473 # And then there's "--enable-targets=all"....
475 # For now, just always do it for MIPS ELF or ECOFF configurations. Sigh.
477 formats="${obj_format}"
481 for em in . $emulations ; do
484 mipsbelf | mipslelf | mipself)
485 fmt=elf file=mipself ;;
486 mipsbecoff | mipslecoff | mipsecoff)
487 fmt=ecoff file=mipsecoff ;;
495 formats="$formats $fmt"
496 emfiles="$emfiles e-$file.o"
497 EMULATIONS="$EMULATIONS &$em,"
501 if test `set . $formats ; shift ; echo $#` -gt 1 ; then
502 for fmt in $formats ; do
504 aout) AC_DEFINE(OBJ_MAYBE_AOUT, 1, [a.out support?]) ;;
505 bout) AC_DEFINE(OBJ_MAYBE_BOUT, 1, [b.out support?]) ;;
506 coff) AC_DEFINE(OBJ_MAYBE_COFF, 1, [COFF support?]) ;;
507 ecoff) AC_DEFINE(OBJ_MAYBE_ECOFF, 1, [ECOFF support?]) ;;
508 elf) AC_DEFINE(OBJ_MAYBE_ELF, 1, [ELF support?]) ;;
509 generic) AC_DEFINE(OBJ_MAYBE_GENERIC, 1, [generic support?]) ;;
510 ieee) AC_DEFINE(OBJ_MAYBE_IEEE, 1, [IEEE support?]) ;;
511 som) AC_DEFINE(OBJ_MAYBE_SOM, 1, [SOM support?]) ;;
513 extra_objects="$extra_objects obj-$fmt.o"
517 if test `set . $emfiles ; shift ; echo $#` -gt 0 ; then
518 DEFAULT_EMULATION=`set . $emulations ; echo $2`
519 # e-mips* has more than one emulation per file, e-i386* has just one at the
520 # moment. If only one emulation is specified, then don't define
521 # USE_EMULATIONS or include any of the e-files as they will only be bloat.
522 case "${obj_format}${emfiles}" in
524 extra_objects="$extra_objects $emfiles"
525 AC_DEFINE(USE_EMULATIONS, 1, [Use emulation support?]) ;;
528 AC_SUBST(extra_objects)
529 AC_DEFINE_UNQUOTED(EMULATIONS, $EMULATIONS, [Supported emulations.])
530 AC_DEFINE_UNQUOTED(DEFAULT_EMULATION, "$DEFAULT_EMULATION",
531 [Default emulation.])
533 reject_dev_configs=yes
535 case ${reject_dev_configs}-${dev} in
537 AC_MSG_ERROR(GAS does not support the ${generic_target} configuration.)
541 AC_SUBST(target_cpu_type)
544 AC_SUBST(install_tooldir)
546 dnl AC_SUBST(emulation)
548 # do we need the opcodes library?
549 case "${need_opcodes}" in
551 OPCODES_LIB=../opcodes/libopcodes.la
555 BFDLIB=../bfd/libbfd.la
556 BFDVER_H=../bfd/bfdver.h
557 ALL_OBJ_DEPS="$ALL_OBJ_DEPS"' ../bfd/bfd.h $(INCDIR)/symcat.h'
560 AC_SUBST(OPCODES_LIB)
563 AC_SUBST(ALL_OBJ_DEPS)
565 AC_DEFINE_UNQUOTED(TARGET_ALIAS, "${target_alias}", [Target alias.])
566 AC_DEFINE_UNQUOTED(TARGET_CANONICAL, "${target}", [Canonical target.])
567 AC_DEFINE_UNQUOTED(TARGET_CPU, "${target_cpu}", [Target CPU.])
568 AC_DEFINE_UNQUOTED(TARGET_VENDOR, "${target_vendor}", [Target vendor.])
569 AC_DEFINE_UNQUOTED(TARGET_OS, "${target_os}", [Target OS.])
576 ALL_LINGUAS="fr tr es rw"
582 AC_CHECK_HEADERS(string.h stdlib.h memory.h strings.h unistd.h stdarg.h varargs.h errno.h sys/types.h)
584 # Put this here so that autoconf's "cross-compiling" message doesn't confuse
585 # people who are not cross-compiling but are compiling cross-assemblers.
586 AC_MSG_CHECKING(whether compiling a cross-assembler)
587 if test "${host}" = "${target}"; then
591 AC_DEFINE(CROSS_COMPILE, 1, [Compiling cross-assembler?])
593 AC_MSG_RESULT($cross_gas)
595 dnl ansidecl.h will deal with const
600 # VMS doesn't have unlink.
601 AC_CHECK_FUNCS(unlink remove, break)
603 # Some systems don't have sbrk().
606 # do we need the math library?
607 case "${need_libm}" in
614 # Some non-ANSI preprocessors botch requoting inside strings. That's bad
615 # enough, but on some of those systems, the assert macro relies on requoting
619 # On some systems, the system header files may not declare malloc, realloc,
620 # and free. There are places where gas needs these functions to have been
621 # declared -- such as when taking their addresses.
629 #ifdef HAVE_STRINGS_H
641 # Does errno.h declare errno, or do we have to add a separate declaration
643 GAS_CHECK_DECL_NEEDED(errno, f, int f, [
649 AC_MSG_CHECKING(for a known getopt prototype in unistd.h)
650 AC_CACHE_VAL(gas_cv_decl_getopt_unistd_h,
651 [AC_TRY_COMPILE([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);],
652 gas_cv_decl_getopt_unistd_h=yes, gas_cv_decl_getopt_unistd_h=no)])
653 AC_MSG_RESULT($gas_cv_decl_getopt_unistd_h)
654 if test $gas_cv_decl_getopt_unistd_h = yes; then
655 AC_DEFINE([HAVE_DECL_GETOPT], 1,
656 [Is the prototype for getopt in <unistd.h> in the expected format?])
659 GAS_CHECK_DECL_NEEDED(environ, f, char **f, $gas_test_headers)
660 GAS_CHECK_DECL_NEEDED(ffs, f, int (*f)(int), $gas_test_headers)
661 GAS_CHECK_DECL_NEEDED(free, f, void (*f)(), $gas_test_headers)
662 GAS_CHECK_DECL_NEEDED(malloc, f, char *(*f)(), $gas_test_headers)
663 GAS_CHECK_DECL_NEEDED(sbrk, f, char *(*f)(), $gas_test_headers)
664 GAS_CHECK_DECL_NEEDED(strstr, f, char *(*f)(), $gas_test_headers)
666 AC_CHECK_DECLS([vsnprintf])
668 dnl This must come last.
670 dnl We used to make symlinks to files in the source directory, but now
671 dnl we just use the right name for .c files, and create .h files in
672 dnl the build directory which include the right .h file. Make sure
673 dnl the old symlinks don't exist, so that a reconfigure in an existing
674 dnl directory behaves reasonably.
676 AC_CONFIG_FILES(Makefile doc/Makefile po/Makefile.in:po/Make-in)
677 AC_CONFIG_COMMANDS([default],
678 [rm -f targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c itbl-cpu.h
679 echo '#include "tc-'"${target_cpu_type}"'.h"' > targ-cpu.h
680 echo '#include "obj-'"${obj_format}"'.h"' > obj-format.h
681 echo '#include "te-'"${te_file}"'.h"' > targ-env.h
682 echo '#include "itbl-'"${target_cpu_type}"'.h"' > itbl-cpu.h
683 if test "x$cgen_cpu_prefix" != x ; then
684 echo '#include "opcodes/'"${cgen_cpu_prefix}"'-desc.h"' > cgen-desc.h
687 sed -e '/POTFILES =/r po/POTFILES' po/Makefile.in > po/Makefile],
688 [target_cpu_type=${target_cpu_type}
689 cgen_cpu_prefix=${cgen_cpu_prefix}
690 obj_format=${obj_format}