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.])
343 echo ${extra_objects} | grep -s "xtensa-relax.o"
344 if test $? -ne 0 ; then
345 extra_objects="$extra_objects xtensa-relax.o"
353 if test $using_cgen = yes ; then
354 case "x${extra_objects}" in
356 *) extra_objects="$extra_objects cgen.o" ;;
360 # See if we really can support this configuration with the emulation code.
362 if test $this_target = $target ; then
367 # From target name and format, produce a list of supported emulations.
369 case ${generic_target}-${fmt} in
370 mips-*-irix5*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
371 mips*-*-linux*-*) case "$endian" in
372 big) emulation="mipsbelf mipslelf mipself" ;;
373 *) emulation="mipslelf mipsbelf mipself" ;;
375 mips-*-lnews*-ecoff) ;;
376 mips-*-*-ecoff) case "$endian" in
377 big) emulation="mipsbecoff mipslecoff mipsecoff" ;;
378 *) emulation="mipslecoff mipsbecoff mipsecoff" ;;
380 mips-*-*-elf) case "$endian" in
381 big) emulation="mipsbelf mipslelf mipself" ;;
382 *) emulation="mipslelf mipsbelf mipself" ;;
384 mips-*-sysv4*MP*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
385 # i386-pc-pe-coff != i386-pc-coff.
387 # Uncommenting the next line will turn on support for i386 AOUT
388 # for the default linux configuration
389 # i386-*-linux*-elf) emulation="i386elf i386aout" ;;
391 i386-*-aout) emulation="i386aout" ;;
392 i386-*-coff) emulation="i386coff" ;;
393 i386-*-elf) emulation="i386elf" ;;
395 # Always all formats. The first stated emulation becomes the default.
396 cris-*-*aout*) emulation="crisaout criself" ;;
397 cris-*-*) emulation="criself crisaout" ;;
400 emulations="$emulations $emulation"
404 # Turn on all targets if possible
405 if test ${all_targets} = "yes"; then
406 case ${target_cpu_type} in
408 case ${obj_format} in
410 emulations="$emulations i386coff i386elf"
413 emulations="$emulations i386aout i386elf"
416 emulations="$emulations i386aout i386coff"
423 # Assign floating point type. Most processors with FP support
424 # IEEE FP. On those that don't support FP at all, usually IEEE
426 case ${target_cpu} in
427 vax | tahoe ) atof=${target_cpu} ;;
432 case "${obj_format}" in
433 "") AC_MSG_ERROR(GAS does not know what format to use for target ${target}) ;;
436 # Unfortunately the cpu in cpu-opc.h file isn't always $(TARGET_CPU).
438 if test $using_cgen = yes ; then
439 case ${target_cpu} in
440 *) cgen_cpu_prefix=${target_cpu} ;;
442 AC_SUBST(cgen_cpu_prefix)
443 AC_DEFINE(USING_CGEN, 1, [Using cgen code?])
447 dnl Make sure the desired support files exist.
450 if test ! -r ${srcdir}/config/tc-${target_cpu_type}.c; then
451 AC_MSG_ERROR(GAS does not support target CPU ${target_cpu_type})
454 if test ! -r ${srcdir}/config/obj-${obj_format}.c; then
455 AC_MSG_ERROR(GAS does not have support for object file format ${obj_format})
458 # Some COFF configurations want these random other flags set.
459 case ${obj_format} in
461 case ${target_cpu_type} in
462 i386) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
463 m68k) AC_DEFINE(M68KCOFF, 1, [Using m68k COFF?]) ;;
464 m88k) AC_DEFINE(M88KCOFF, 1, [Using m88k COFF?]) ;;
469 # Getting this done right is going to be a bitch. Each configuration specified
470 # with --enable-targets=... should be checked for environment, format, cpu
473 # For each configuration, the necessary object file support code must be linked
474 # in. This might be only one, it might be up to four. The necessary emulation
475 # code needs to be provided, too.
477 # And then there's "--enable-targets=all"....
479 # For now, just always do it for MIPS ELF or ECOFF configurations. Sigh.
481 formats="${obj_format}"
485 for em in . $emulations ; do
488 mipsbelf | mipslelf | mipself)
489 fmt=elf file=mipself ;;
490 mipsbecoff | mipslecoff | mipsecoff)
491 fmt=ecoff file=mipsecoff ;;
499 formats="$formats $fmt"
500 emfiles="$emfiles e-$file.o"
501 EMULATIONS="$EMULATIONS &$em,"
505 if test `set . $formats ; shift ; echo $#` -gt 1 ; then
506 for fmt in $formats ; do
508 aout) AC_DEFINE(OBJ_MAYBE_AOUT, 1, [a.out support?]) ;;
509 bout) AC_DEFINE(OBJ_MAYBE_BOUT, 1, [b.out support?]) ;;
510 coff) AC_DEFINE(OBJ_MAYBE_COFF, 1, [COFF support?]) ;;
511 ecoff) AC_DEFINE(OBJ_MAYBE_ECOFF, 1, [ECOFF support?]) ;;
512 elf) AC_DEFINE(OBJ_MAYBE_ELF, 1, [ELF support?]) ;;
513 generic) AC_DEFINE(OBJ_MAYBE_GENERIC, 1, [generic support?]) ;;
514 ieee) AC_DEFINE(OBJ_MAYBE_IEEE, 1, [IEEE support?]) ;;
515 som) AC_DEFINE(OBJ_MAYBE_SOM, 1, [SOM support?]) ;;
517 extra_objects="$extra_objects obj-$fmt.o"
521 if test `set . $emfiles ; shift ; echo $#` -gt 0 ; then
522 DEFAULT_EMULATION=`set . $emulations ; echo $2`
523 # e-mips* has more than one emulation per file, e-i386* has just one at the
524 # moment. If only one emulation is specified, then don't define
525 # USE_EMULATIONS or include any of the e-files as they will only be bloat.
526 case "${obj_format}${emfiles}" in
528 extra_objects="$extra_objects $emfiles"
529 AC_DEFINE(USE_EMULATIONS, 1, [Use emulation support?]) ;;
532 AC_SUBST(extra_objects)
533 AC_DEFINE_UNQUOTED(EMULATIONS, $EMULATIONS, [Supported emulations.])
534 AC_DEFINE_UNQUOTED(DEFAULT_EMULATION, "$DEFAULT_EMULATION",
535 [Default emulation.])
537 reject_dev_configs=yes
539 case ${reject_dev_configs}-${dev} in
541 AC_MSG_ERROR(GAS does not support the ${generic_target} configuration.)
545 AC_SUBST(target_cpu_type)
548 AC_SUBST(install_tooldir)
550 dnl AC_SUBST(emulation)
552 # do we need the opcodes library?
553 case "${need_opcodes}" in
555 OPCODES_LIB=../opcodes/libopcodes.la
559 BFDLIB=../bfd/libbfd.la
560 BFDVER_H=../bfd/bfdver.h
561 ALL_OBJ_DEPS="$ALL_OBJ_DEPS"' ../bfd/bfd.h $(INCDIR)/symcat.h'
564 AC_SUBST(OPCODES_LIB)
567 AC_SUBST(ALL_OBJ_DEPS)
569 AC_DEFINE_UNQUOTED(TARGET_ALIAS, "${target_alias}", [Target alias.])
570 AC_DEFINE_UNQUOTED(TARGET_CANONICAL, "${target}", [Canonical target.])
571 AC_DEFINE_UNQUOTED(TARGET_CPU, "${target_cpu}", [Target CPU.])
572 AC_DEFINE_UNQUOTED(TARGET_VENDOR, "${target_vendor}", [Target vendor.])
573 AC_DEFINE_UNQUOTED(TARGET_OS, "${target_os}", [Target OS.])
580 ALL_LINGUAS="fr tr es rw"
586 AC_CHECK_HEADERS(string.h stdlib.h memory.h strings.h unistd.h stdarg.h varargs.h errno.h sys/types.h)
588 # Put this here so that autoconf's "cross-compiling" message doesn't confuse
589 # people who are not cross-compiling but are compiling cross-assemblers.
590 AC_MSG_CHECKING(whether compiling a cross-assembler)
591 if test "${host}" = "${target}"; then
595 AC_DEFINE(CROSS_COMPILE, 1, [Compiling cross-assembler?])
597 AC_MSG_RESULT($cross_gas)
599 dnl ansidecl.h will deal with const
604 # VMS doesn't have unlink.
605 AC_CHECK_FUNCS(unlink remove, break)
607 # Some systems don't have sbrk().
610 # do we need the math library?
611 case "${need_libm}" in
618 # Some non-ANSI preprocessors botch requoting inside strings. That's bad
619 # enough, but on some of those systems, the assert macro relies on requoting
623 # On some systems, the system header files may not declare malloc, realloc,
624 # and free. There are places where gas needs these functions to have been
625 # declared -- such as when taking their addresses.
633 #ifdef HAVE_STRINGS_H
645 # Does errno.h declare errno, or do we have to add a separate declaration
647 GAS_CHECK_DECL_NEEDED(errno, f, int f, [
653 AC_MSG_CHECKING(for a known getopt prototype in unistd.h)
654 AC_CACHE_VAL(gas_cv_decl_getopt_unistd_h,
655 [AC_TRY_COMPILE([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);],
656 gas_cv_decl_getopt_unistd_h=yes, gas_cv_decl_getopt_unistd_h=no)])
657 AC_MSG_RESULT($gas_cv_decl_getopt_unistd_h)
658 if test $gas_cv_decl_getopt_unistd_h = yes; then
659 AC_DEFINE([HAVE_DECL_GETOPT], 1,
660 [Is the prototype for getopt in <unistd.h> in the expected format?])
663 GAS_CHECK_DECL_NEEDED(environ, f, char **f, $gas_test_headers)
664 GAS_CHECK_DECL_NEEDED(ffs, f, int (*f)(int), $gas_test_headers)
665 GAS_CHECK_DECL_NEEDED(free, f, void (*f)(), $gas_test_headers)
666 GAS_CHECK_DECL_NEEDED(malloc, f, char *(*f)(), $gas_test_headers)
667 GAS_CHECK_DECL_NEEDED(sbrk, f, char *(*f)(), $gas_test_headers)
668 GAS_CHECK_DECL_NEEDED(strstr, f, char *(*f)(), $gas_test_headers)
670 AC_CHECK_DECLS([vsnprintf])
672 dnl This must come last.
674 dnl We used to make symlinks to files in the source directory, but now
675 dnl we just use the right name for .c files, and create .h files in
676 dnl the build directory which include the right .h file. Make sure
677 dnl the old symlinks don't exist, so that a reconfigure in an existing
678 dnl directory behaves reasonably.
680 AC_CONFIG_FILES(Makefile doc/Makefile po/Makefile.in:po/Make-in)
681 AC_CONFIG_COMMANDS([default],
682 [rm -f targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c itbl-cpu.h
683 echo '#include "tc-'"${target_cpu_type}"'.h"' > targ-cpu.h
684 echo '#include "obj-'"${obj_format}"'.h"' > obj-format.h
685 echo '#include "te-'"${te_file}"'.h"' > targ-env.h
686 echo '#include "itbl-'"${target_cpu_type}"'.h"' > itbl-cpu.h
687 if test "x$cgen_cpu_prefix" != x ; then
688 echo '#include "opcodes/'"${cgen_cpu_prefix}"'-desc.h"' > cgen-desc.h
691 sed -e '/POTFILES =/r po/POTFILES' po/Makefile.in > po/Makefile],
692 [target_cpu_type=${target_cpu_type}
693 cgen_cpu_prefix=${cgen_cpu_prefix}
694 obj_format=${obj_format}