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]) ;;
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 ${target_cpu} in
427 vax | pdp11 ) atof=vax ;;
431 case "${obj_format}" in
432 "") AC_MSG_ERROR(GAS does not know what format to use for target ${target}) ;;
435 # Unfortunately the cpu in cpu-opc.h file isn't always $(TARGET_CPU).
437 if test $using_cgen = yes ; then
438 case ${target_cpu} in
439 *) cgen_cpu_prefix=${target_cpu} ;;
441 AC_SUBST(cgen_cpu_prefix)
442 AC_DEFINE(USING_CGEN, 1, [Using cgen code?])
446 dnl Make sure the desired support files exist.
449 if test ! -r ${srcdir}/config/tc-${target_cpu_type}.c; then
450 AC_MSG_ERROR(GAS does not support target CPU ${target_cpu_type})
453 if test ! -r ${srcdir}/config/obj-${obj_format}.c; then
454 AC_MSG_ERROR(GAS does not have support for object file format ${obj_format})
457 # Some COFF configurations want these random other flags set.
458 case ${obj_format} in
460 case ${target_cpu_type} in
461 i386) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
462 m68k) AC_DEFINE(M68KCOFF, 1, [Using m68k COFF?]) ;;
463 m88k) AC_DEFINE(M88KCOFF, 1, [Using m88k COFF?]) ;;
468 # Getting this done right is going to be a bitch. Each configuration specified
469 # with --enable-targets=... should be checked for environment, format, cpu
472 # For each configuration, the necessary object file support code must be linked
473 # in. This might be only one, it might be up to four. The necessary emulation
474 # code needs to be provided, too.
476 # And then there's "--enable-targets=all"....
478 # For now, just always do it for MIPS ELF or ECOFF configurations. Sigh.
480 formats="${obj_format}"
484 for em in . $emulations ; do
487 mipsbelf | mipslelf | mipself)
488 fmt=elf file=mipself ;;
489 mipsbecoff | mipslecoff | mipsecoff)
490 fmt=ecoff file=mipsecoff ;;
498 formats="$formats $fmt"
499 emfiles="$emfiles e-$file.o"
500 EMULATIONS="$EMULATIONS &$em,"
504 if test `set . $formats ; shift ; echo $#` -gt 1 ; then
505 for fmt in $formats ; do
507 aout) AC_DEFINE(OBJ_MAYBE_AOUT, 1, [a.out support?]) ;;
508 bout) AC_DEFINE(OBJ_MAYBE_BOUT, 1, [b.out support?]) ;;
509 coff) AC_DEFINE(OBJ_MAYBE_COFF, 1, [COFF support?]) ;;
510 ecoff) AC_DEFINE(OBJ_MAYBE_ECOFF, 1, [ECOFF support?]) ;;
511 elf) AC_DEFINE(OBJ_MAYBE_ELF, 1, [ELF support?]) ;;
512 generic) AC_DEFINE(OBJ_MAYBE_GENERIC, 1, [generic support?]) ;;
513 som) AC_DEFINE(OBJ_MAYBE_SOM, 1, [SOM support?]) ;;
515 extra_objects="$extra_objects obj-$fmt.o"
519 if test `set . $emfiles ; shift ; echo $#` -gt 0 ; then
520 DEFAULT_EMULATION=`set . $emulations ; echo $2`
521 # e-mips* has more than one emulation per file, e-i386* has just one at the
522 # moment. If only one emulation is specified, then don't define
523 # USE_EMULATIONS or include any of the e-files as they will only be bloat.
524 case "${obj_format}${emfiles}" in
526 extra_objects="$extra_objects $emfiles"
527 AC_DEFINE(USE_EMULATIONS, 1, [Use emulation support?]) ;;
530 AC_SUBST(extra_objects)
531 AC_DEFINE_UNQUOTED(EMULATIONS, $EMULATIONS, [Supported emulations.])
532 AC_DEFINE_UNQUOTED(DEFAULT_EMULATION, "$DEFAULT_EMULATION",
533 [Default emulation.])
535 reject_dev_configs=yes
537 case ${reject_dev_configs}-${dev} in
539 AC_MSG_ERROR(GAS does not support the ${generic_target} configuration.)
543 AC_SUBST(target_cpu_type)
546 AC_SUBST(install_tooldir)
548 dnl AC_SUBST(emulation)
550 # do we need the opcodes library?
551 case "${need_opcodes}" in
553 OPCODES_LIB=../opcodes/libopcodes.la
557 BFDLIB=../bfd/libbfd.la
558 BFDVER_H=../bfd/bfdver.h
559 ALL_OBJ_DEPS="$ALL_OBJ_DEPS"' ../bfd/bfd.h $(INCDIR)/symcat.h'
562 AC_SUBST(OPCODES_LIB)
565 AC_SUBST(ALL_OBJ_DEPS)
567 AC_DEFINE_UNQUOTED(TARGET_ALIAS, "${target_alias}", [Target alias.])
568 AC_DEFINE_UNQUOTED(TARGET_CANONICAL, "${target}", [Canonical target.])
569 AC_DEFINE_UNQUOTED(TARGET_CPU, "${target_cpu}", [Target CPU.])
570 AC_DEFINE_UNQUOTED(TARGET_VENDOR, "${target_vendor}", [Target vendor.])
571 AC_DEFINE_UNQUOTED(TARGET_OS, "${target_os}", [Target OS.])
578 ALL_LINGUAS="fr tr es rw"
579 ZW_GNU_GETTEXT_SISTER_DIR
585 AC_CHECK_HEADERS(string.h stdlib.h memory.h strings.h unistd.h stdarg.h varargs.h errno.h sys/types.h)
587 # Put this here so that autoconf's "cross-compiling" message doesn't confuse
588 # people who are not cross-compiling but are compiling cross-assemblers.
589 AC_MSG_CHECKING(whether compiling a cross-assembler)
590 if test "${host}" = "${target}"; then
594 AC_DEFINE(CROSS_COMPILE, 1, [Compiling cross-assembler?])
596 AC_MSG_RESULT($cross_gas)
598 dnl ansidecl.h will deal with const
603 # VMS doesn't have unlink.
604 AC_CHECK_FUNCS(unlink remove, break)
606 # Some systems don't have sbrk().
609 # do we need the math library?
610 case "${need_libm}" in
617 # Some non-ANSI preprocessors botch requoting inside strings. That's bad
618 # enough, but on some of those systems, the assert macro relies on requoting
622 # On some systems, the system header files may not declare malloc, realloc,
623 # and free. There are places where gas needs these functions to have been
624 # declared -- such as when taking their addresses.
632 #ifdef HAVE_STRINGS_H
644 # Does errno.h declare errno, or do we have to add a separate declaration
646 GAS_CHECK_DECL_NEEDED(errno, f, int f, [
652 AC_MSG_CHECKING(for a known getopt prototype in unistd.h)
653 AC_CACHE_VAL(gas_cv_decl_getopt_unistd_h,
654 [AC_TRY_COMPILE([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);],
655 gas_cv_decl_getopt_unistd_h=yes, gas_cv_decl_getopt_unistd_h=no)])
656 AC_MSG_RESULT($gas_cv_decl_getopt_unistd_h)
657 if test $gas_cv_decl_getopt_unistd_h = yes; then
658 AC_DEFINE([HAVE_DECL_GETOPT], 1,
659 [Is the prototype for getopt in <unistd.h> in the expected format?])
662 GAS_CHECK_DECL_NEEDED(environ, f, char **f, $gas_test_headers)
663 GAS_CHECK_DECL_NEEDED(ffs, f, int (*f)(int), $gas_test_headers)
664 GAS_CHECK_DECL_NEEDED(free, f, void (*f)(), $gas_test_headers)
665 GAS_CHECK_DECL_NEEDED(malloc, f, char *(*f)(), $gas_test_headers)
666 GAS_CHECK_DECL_NEEDED(sbrk, f, char *(*f)(), $gas_test_headers)
667 GAS_CHECK_DECL_NEEDED(strstr, f, char *(*f)(), $gas_test_headers)
669 AC_CHECK_DECLS([vsnprintf])
671 dnl Required for html and install-html targets.
672 AC_SUBST(datarootdir)
676 dnl This must come last.
678 dnl We used to make symlinks to files in the source directory, but now
679 dnl we just use the right name for .c files, and create .h files in
680 dnl the build directory which include the right .h file. Make sure
681 dnl the old symlinks don't exist, so that a reconfigure in an existing
682 dnl directory behaves reasonably.
684 AC_CONFIG_FILES(Makefile doc/Makefile po/Makefile.in:po/Make-in)
685 AC_CONFIG_COMMANDS([default],
686 [rm -f targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c itbl-cpu.h
687 echo '#include "tc-'"${target_cpu_type}"'.h"' > targ-cpu.h
688 echo '#include "obj-'"${obj_format}"'.h"' > obj-format.h
689 echo '#include "te-'"${te_file}"'.h"' > targ-env.h
690 echo '#include "itbl-'"${target_cpu_type}"'.h"' > itbl-cpu.h
691 if test "x$cgen_cpu_prefix" != x ; then
692 echo '#include "opcodes/'"${cgen_cpu_prefix}"'-desc.h"' > cgen-desc.h
694 [target_cpu_type=${target_cpu_type}
695 cgen_cpu_prefix=${cgen_cpu_prefix}
696 obj_format=${obj_format}