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
10 AC_CONFIG_SRCDIR(as.h)
12 dnl Autoconf 2.57 will find the aux dir without this. However, unless
13 dnl we specify this explicitly, automake-1.7 will assume that ylwrap is in
14 dnl gas/ instead of gas/../.
20 BFD_VERSION=`sed -n -e 's/^.._INIT_AUTOMAKE.*,[ ]*\([^ ]*\)[ ]*).*/\1/p' < ${srcdir}/../bfd/configure.in`
22 AM_INIT_AUTOMAKE(gas, ${BFD_VERSION})
26 AC_USE_SYSTEM_EXTENSIONS
30 AC_ARG_ENABLE(targets,
31 [ --enable-targets alternative target configurations besides the primary],
32 [case "${enableval}" in
33 yes | "") AC_MSG_ERROR(enable-targets option must specify target names or 'all')
35 no) enable_targets= ;;
36 *) enable_targets=$enableval ;;
39 AC_ARG_ENABLE(commonbfdlib,
40 [ --enable-commonbfdlib build shared BFD/opcodes/libiberty library],
41 [case "${enableval}" in
42 yes) commonbfdlib=true ;;
43 no) commonbfdlib=false ;;
44 *) AC_MSG_ERROR([bad value ${enableval} for BFD commonbfdlib option]) ;;
48 if grep '^RELEASE=y' ${srcdir}/../bfd/Makefile.am >/dev/null 2>/dev/null ; then
51 AC_ARG_ENABLE(checking,
52 [ --enable-checking enable run-time checks],
53 [case "${enableval}" in
54 no|none) ac_checking= ;;
57 if test x$ac_checking != x ; then
58 AC_DEFINE(ENABLE_CHECKING, 1, [Define if you want run-time sanity checks.])
65 # Generate a header file
66 AC_CONFIG_HEADERS(config.h:config.in)
68 # If we are on a DOS filesystem, we must use gdb.ini rather than
71 *-*-msdos* | *-*-go32* | *-*-mingw32* | *-*-windows*)
73 AC_CONFIG_FILES(gdb.ini:gdbinit.in)
77 AC_CONFIG_FILES(.gdbinit:gdbinit.in)
82 #We need this for the host. BOUT header is in host order.
87 # Makefile target for installing gas in $(tooldir)/bin.
88 install_tooldir=install-exec-tooldir
92 if test -n "$enable_targets" ; then
93 for t in `echo $enable_targets | sed 's/,/ /g'`; do
94 if test $t = "all"; then
98 result=`$ac_config_sub $t 2>/dev/null`
99 if test -n "$result" ; then
100 canon_targets="$canon_targets $result"
102 # # Permit "all", etc. We don't support it yet though.
103 # canon_targets="$canon_targets $t"
106 GAS_UNIQ(canon_targets)
111 for this_target in $target $canon_targets ; do
114 . ${srcdir}/configure.tgt
116 case ${target_cpu} in
118 AC_DEFINE_UNQUOTED(DEFAULT_CRIS_ARCH, $arch,
119 [Default CRIS architecture.])
123 if test ${this_target} = $target ; then
124 target_cpu_type=${cpu_type}
125 elif test ${target_cpu_type} != ${cpu_type} ; then
129 generic_target=${cpu_type}-${target_vendor}-${target_os}
130 case ${generic_target} in
132 if test ${this_target} = $target; then
133 AC_DEFINE(SCO_ELF, 1, [Define if defaulting to ELF on SCO 5.])
140 AC_DEFINE(STRICTCOFF, 1, [Using strict COFF?])
144 AC_MSG_WARN(GAS support for ${generic_target} is preliminary and a work in progress)
150 AC_MSG_ERROR(Unknown vendor for mips-bsd configuration.)
154 AC_DEFINE(AIX_WEAK_SUPPORT, 1,
155 [Define if using AIX 5.2 value for C_WEAKEXT.])
160 *) AC_MSG_ERROR(GNU/Linux must be configured big endian) ;;
164 if test ${this_target} = $target; then
165 AC_DEFINE(TARGET_SOLARIS_COMMENT, 1,
166 [Define if default target is PowerPC Solaris.])
168 if test x${endian} = xbig; then
169 AC_MSG_ERROR(Solaris must be configured little endian)
174 AC_DEFINE(TARGET_SYMBIAN, 1, [Define if target is Symbian OS.])
178 if test ${this_target} = $target ; then
180 if test x${endian} = xbig; then
182 elif test x${endian} = xlittle; then
185 if test x${endian_def} != x; then
186 AC_DEFINE_UNQUOTED(TARGET_BYTES_BIG_ENDIAN, $endian_def,
187 [Define as 1 if big endian.])
191 # Other random stuff.
195 # Set mips_cpu to the name of the default CPU.
196 case ${target_cpu} in
197 mips | mipsbe | mipseb | mipsle | mipsel | mips64 | mips64el)
200 mipsisa32 | mipsisa32el)
203 mipsisa32r2 | mipsisa32r2el)
206 mipsisa64 | mipsisa64el)
209 mipsisa64r2 | mipsisa64r2el)
212 mipstx39 | mipstx39el)
215 mips64vr | mips64vrel)
218 mipsisa32r2* | mipsisa64r2*)
220 mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..r2//' -e 's/el$//'`
223 mips64* | mipsisa64* | mipsisa32*)
225 mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..//' -e 's/el$//'`
229 AC_MSG_ERROR($target_cpu isn't a supported MIPS CPU name)
232 # See whether it's appropriate to set E_MIPS_ABI_O32 for o32
233 # binaries. It's a GNU extension that some OSes don't understand.
234 # The value only matters on ELF targets.
243 # Decide whether to generate 32-bit or 64-bit code by default.
244 # Used to resolve -march=from-abi when an embedded ABI is selected.
246 mips64*-*-* | mipsisa64*-*-*)
253 # Decide which ABI to target by default.
255 mips64*-linux* | mips-sgi-irix6*)
256 mips_default_abi=N32_ABI
259 mips_default_abi=O32_ABI
262 mips_default_abi=N64_ABI
265 mips_default_abi=NO_ABI
268 AC_DEFINE_UNQUOTED(MIPS_CPU_STRING_DEFAULT, "$mips_cpu",
269 [Default CPU for MIPS targets. ])
270 AC_DEFINE_UNQUOTED(USE_E_MIPS_ABI_O32, $use_e_mips_abi_o32,
271 [Allow use of E_MIPS_ABI_O32 on MIPS targets. ])
272 AC_DEFINE_UNQUOTED(MIPS_DEFAULT_64BIT, $mips_default_64bit,
273 [Generate 64-bit code by default on MIPS targets. ])
274 AC_DEFINE_UNQUOTED(MIPS_DEFAULT_ABI, $mips_default_abi,
275 [Choose a default ABI for MIPS targets. ])
279 # Do we need the opcodes library?
287 case "${enable_shared}" in
288 yes) shared_opcodes=true ;;
289 *opcodes*) shared_opcodes=true ;;
290 *) shared_opcodes=false ;;
295 # Any other special object files needed ?
299 echo ${extra_objects} | grep -s "bfin-parse.o"
300 if test $? -ne 0 ; then
301 extra_objects="$extra_objects bfin-parse.o"
304 echo ${extra_objects} | grep -s "bfin-lex.o"
305 if test $? -ne 0 ; then
306 extra_objects="$extra_objects bfin-lex.o"
310 fr30 | ip2k | iq2000 | m32r | openrisc)
321 case ${extra_objects} in
323 *) extra_objects="$extra_objects m68k-parse.o" ;;
332 echo ${extra_objects} | grep -s "itbl-parse.o"
333 if test $? -ne 0 ; then
334 extra_objects="$extra_objects itbl-parse.o"
337 echo ${extra_objects} | grep -s "itbl-lex.o"
338 if test $? -ne 0 ; then
339 extra_objects="$extra_objects itbl-lex.o"
342 echo ${extra_objects} | grep -s "itbl-ops.o"
343 if test $? -ne 0 ; then
344 extra_objects="$extra_objects itbl-ops.o"
353 if test $this_target = $target ; then
354 AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
367 echo ${extra_objects} | grep -s "xtensa-relax.o"
368 if test $? -ne 0 ; then
369 extra_objects="$extra_objects xtensa-relax.o"
377 if test $using_cgen = yes ; then
378 case "x${extra_objects}" in
380 *) extra_objects="$extra_objects cgen.o" ;;
384 # See if we really can support this configuration with the emulation code.
386 if test $this_target = $target ; then
391 # From target name and format, produce a list of supported emulations.
393 case ${generic_target}-${fmt} in
394 mips-*-irix5*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
395 mips*-*-linux*-*) case "$endian" in
396 big) emulation="mipsbelf mipslelf mipself" ;;
397 *) emulation="mipslelf mipsbelf mipself" ;;
399 mips-*-lnews*-ecoff) ;;
400 mips-*-*-ecoff) case "$endian" in
401 big) emulation="mipsbecoff mipslecoff mipsecoff" ;;
402 *) emulation="mipslecoff mipsbecoff mipsecoff" ;;
404 mips-*-*-elf) case "$endian" in
405 big) emulation="mipsbelf mipslelf mipself" ;;
406 *) emulation="mipslelf mipsbelf mipself" ;;
408 mips-*-sysv4*MP*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
409 # i386-pc-pe-coff != i386-pc-coff.
411 # Uncommenting the next line will turn on support for i386 AOUT
412 # for the default linux configuration
413 # i386-*-linux*-elf) emulation="i386elf i386aout" ;;
415 i386-*-aout) emulation="i386aout" ;;
416 i386-*-coff) emulation="i386coff" ;;
417 i386-*-elf) emulation="i386elf" ;;
419 # Always all formats. The first stated emulation becomes the default.
420 cris-*-*aout*) emulation="crisaout criself" ;;
421 cris-*-*) emulation="criself crisaout" ;;
424 emulations="$emulations $emulation"
428 # Turn on all targets if possible
429 if test ${all_targets} = "yes"; then
430 case ${target_cpu_type} in
432 case ${obj_format} in
434 emulations="$emulations i386coff i386elf"
437 emulations="$emulations i386aout i386elf"
440 emulations="$emulations i386aout i386coff"
445 case ${obj_format} in
447 emulations="$emulations i386coff i386elf"
450 emulations="$emulations i386aout i386elf"
453 emulations="$emulations i386aout i386coff"
460 # Assign floating point type. Most processors with FP support
461 # IEEE FP. On those that don't support FP at all, usually IEEE
463 case ${target_cpu} in
464 vax | pdp11 ) atof=vax ;;
468 case "${obj_format}" in
469 "") AC_MSG_ERROR(GAS does not know what format to use for target ${target}) ;;
472 # Unfortunately the cpu in cpu-opc.h file isn't always $(TARGET_CPU).
474 if test $using_cgen = yes ; then
475 case ${target_cpu} in
476 *) cgen_cpu_prefix=${target_cpu} ;;
478 AC_SUBST(cgen_cpu_prefix)
479 AC_DEFINE(USING_CGEN, 1, [Using cgen code?])
483 dnl Make sure the desired support files exist.
486 if test ! -r ${srcdir}/config/tc-${target_cpu_type}.c; then
487 AC_MSG_ERROR(GAS does not support target CPU ${target_cpu_type})
490 if test ! -r ${srcdir}/config/obj-${obj_format}.c; then
491 AC_MSG_ERROR(GAS does not have support for object file format ${obj_format})
494 # Some COFF configurations want these random other flags set.
495 case ${obj_format} in
497 case ${target_cpu_type} in
498 i386) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
499 m68k) AC_DEFINE(M68KCOFF, 1, [Using m68k COFF?]) ;;
500 m88k) AC_DEFINE(M88KCOFF, 1, [Using m88k COFF?]) ;;
501 x86_64) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
506 # Getting this done right is going to be a bitch. Each configuration specified
507 # with --enable-targets=... should be checked for environment, format, cpu
510 # For each configuration, the necessary object file support code must be linked
511 # in. This might be only one, it might be up to four. The necessary emulation
512 # code needs to be provided, too.
514 # And then there's "--enable-targets=all"....
516 # For now, just always do it for MIPS ELF or ECOFF configurations. Sigh.
518 formats="${obj_format}"
522 for em in . $emulations ; do
525 mipsbelf | mipslelf | mipself)
526 fmt=elf file=mipself ;;
527 mipsbecoff | mipslecoff | mipsecoff)
528 fmt=ecoff file=mipsecoff ;;
536 formats="$formats $fmt"
537 emfiles="$emfiles e-$file.o"
538 EMULATIONS="$EMULATIONS &$em,"
542 if test `set . $formats ; shift ; echo $#` -gt 1 ; then
543 for fmt in $formats ; do
545 aout) AC_DEFINE(OBJ_MAYBE_AOUT, 1, [a.out support?]) ;;
546 bout) AC_DEFINE(OBJ_MAYBE_BOUT, 1, [b.out support?]) ;;
547 coff) AC_DEFINE(OBJ_MAYBE_COFF, 1, [COFF support?]) ;;
548 ecoff) AC_DEFINE(OBJ_MAYBE_ECOFF, 1, [ECOFF support?]) ;;
549 elf) AC_DEFINE(OBJ_MAYBE_ELF, 1, [ELF support?]) ;;
550 generic) AC_DEFINE(OBJ_MAYBE_GENERIC, 1, [generic support?]) ;;
551 som) AC_DEFINE(OBJ_MAYBE_SOM, 1, [SOM support?]) ;;
553 extra_objects="$extra_objects obj-$fmt.o"
557 if test `set . $emfiles ; shift ; echo $#` -gt 0 ; then
558 DEFAULT_EMULATION=`set . $emulations ; echo $2`
559 # e-mips* has more than one emulation per file, e-i386* has just one at the
560 # moment. If only one emulation is specified, then don't define
561 # USE_EMULATIONS or include any of the e-files as they will only be bloat.
562 case "${obj_format}${emfiles}" in
564 extra_objects="$extra_objects $emfiles"
565 AC_DEFINE(USE_EMULATIONS, 1, [Use emulation support?]) ;;
568 AC_SUBST(extra_objects)
569 AC_DEFINE_UNQUOTED(EMULATIONS, $EMULATIONS, [Supported emulations.])
570 AC_DEFINE_UNQUOTED(DEFAULT_EMULATION, "$DEFAULT_EMULATION",
571 [Default emulation.])
573 reject_dev_configs=yes
575 case ${reject_dev_configs}-${dev} in
577 AC_MSG_ERROR(GAS does not support the ${generic_target} configuration.)
581 AC_SUBST(target_cpu_type)
584 AC_SUBST(install_tooldir)
586 dnl AC_SUBST(emulation)
588 # do we need the opcodes library?
589 case "${need_opcodes}" in
591 OPCODES_LIB=../opcodes/libopcodes.la
595 AC_SUBST(OPCODES_LIB)
597 AC_DEFINE_UNQUOTED(TARGET_ALIAS, "${target_alias}", [Target alias.])
598 AC_DEFINE_UNQUOTED(TARGET_CANONICAL, "${target}", [Canonical target.])
599 AC_DEFINE_UNQUOTED(TARGET_CPU, "${target_cpu}", [Target CPU.])
600 AC_DEFINE_UNQUOTED(TARGET_VENDOR, "${target_vendor}", [Target vendor.])
601 AC_DEFINE_UNQUOTED(TARGET_OS, "${target_os}", [Target OS.])
606 ALL_LINGUAS="fr tr es rw"
607 ZW_GNU_GETTEXT_SISTER_DIR
611 AM_CONDITIONAL(GENINSRC_NEVER, false)
614 AC_CHECK_HEADERS(string.h stdlib.h memory.h strings.h unistd.h stdarg.h varargs.h errno.h sys/types.h limits.h)
616 # Put this here so that autoconf's "cross-compiling" message doesn't confuse
617 # people who are not cross-compiling but are compiling cross-assemblers.
618 AC_MSG_CHECKING(whether compiling a cross-assembler)
619 if test "${host}" = "${target}"; then
623 AC_DEFINE(CROSS_COMPILE, 1, [Compiling cross-assembler?])
625 AC_MSG_RESULT($cross_gas)
627 dnl ansidecl.h will deal with const
632 # VMS doesn't have unlink.
633 AC_CHECK_FUNCS(unlink remove, break)
635 # Some systems don't have sbrk().
638 # do we need the math library?
639 case "${need_libm}" in
646 # Some non-ANSI preprocessors botch requoting inside strings. That's bad
647 # enough, but on some of those systems, the assert macro relies on requoting
651 # On some systems, the system header files may not declare malloc, realloc,
652 # and free. There are places where gas needs these functions to have been
653 # declared -- such as when taking their addresses.
661 #ifdef HAVE_STRINGS_H
673 # Does errno.h declare errno, or do we have to add a separate declaration
675 GAS_CHECK_DECL_NEEDED(errno, f, int f, [
681 AC_MSG_CHECKING(for a known getopt prototype in unistd.h)
682 AC_CACHE_VAL(gas_cv_decl_getopt_unistd_h,
683 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);])],
684 gas_cv_decl_getopt_unistd_h=yes, gas_cv_decl_getopt_unistd_h=no)])
685 AC_MSG_RESULT($gas_cv_decl_getopt_unistd_h)
686 if test $gas_cv_decl_getopt_unistd_h = yes; then
687 AC_DEFINE([HAVE_DECL_GETOPT], 1,
688 [Is the prototype for getopt in <unistd.h> in the expected format?])
691 GAS_CHECK_DECL_NEEDED(environ, f, char **f, $gas_test_headers)
692 GAS_CHECK_DECL_NEEDED(ffs, f, int (*f)(int), $gas_test_headers)
693 GAS_CHECK_DECL_NEEDED(free, f, void (*f)(), $gas_test_headers)
694 GAS_CHECK_DECL_NEEDED(malloc, f, char *(*f)(), $gas_test_headers)
695 GAS_CHECK_DECL_NEEDED(sbrk, f, char *(*f)(), $gas_test_headers)
696 GAS_CHECK_DECL_NEEDED(strstr, f, char *(*f)(), $gas_test_headers)
698 AC_CHECK_DECLS([vsnprintf])
702 dnl Required for html and install-html targets.
703 AC_SUBST(datarootdir)
707 dnl This must come last.
709 dnl We used to make symlinks to files in the source directory, but now
710 dnl we just use the right name for .c files, and create .h files in
711 dnl the build directory which include the right .h file. Make sure
712 dnl the old symlinks don't exist, so that a reconfigure in an existing
713 dnl directory behaves reasonably.
715 AC_CONFIG_FILES(Makefile doc/Makefile po/Makefile.in:po/Make-in)
716 AC_CONFIG_COMMANDS([default],
717 [rm -f targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c itbl-cpu.h
718 echo '#include "tc-'"${target_cpu_type}"'.h"' > targ-cpu.h
719 echo '#include "obj-'"${obj_format}"'.h"' > obj-format.h
720 echo '#include "te-'"${te_file}"'.h"' > targ-env.h
721 echo '#include "itbl-'"${target_cpu_type}"'.h"' > itbl-cpu.h
722 if test "x$cgen_cpu_prefix" != x ; then
723 echo '#include "opcodes/'"${cgen_cpu_prefix}"'-desc.h"' > cgen-desc.h
725 [target_cpu_type=${target_cpu_type}
726 cgen_cpu_prefix=${cgen_cpu_prefix}
727 obj_format=${obj_format}