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, ${BFD_VERSION})
26 AC_USE_SYSTEM_EXTENSIONS
31 AC_ARG_ENABLE(targets,
32 [ --enable-targets alternative target configurations besides the primary],
33 [case "${enableval}" in
34 yes | "") AC_MSG_ERROR(enable-targets option must specify target names or 'all')
36 no) enable_targets= ;;
37 *) enable_targets=$enableval ;;
41 if grep '^RELEASE=y' ${srcdir}/../bfd/Makefile.am >/dev/null 2>/dev/null ; then
44 AC_ARG_ENABLE(checking,
45 [ --enable-checking enable run-time checks],
46 [case "${enableval}" in
47 no|none) ac_checking= ;;
50 if test x$ac_checking != x ; then
51 AC_DEFINE(ENABLE_CHECKING, 1, [Define if you want run-time sanity checks.])
58 # Generate a header file
59 AC_CONFIG_HEADERS(config.h:config.in)
61 # If we are on a DOS filesystem, we must use gdb.ini rather than
64 *-*-msdos* | *-*-go32* | *-*-mingw32* | *-*-windows*)
66 AC_CONFIG_FILES(gdb.ini:gdbinit.in)
70 AC_CONFIG_FILES(.gdbinit:gdbinit.in)
75 #We need this for the host. BOUT header is in host order.
80 # Makefile target for installing gas in $(tooldir)/bin.
81 install_tooldir=install-exec-tooldir
85 if test -n "$enable_targets" ; then
86 for t in `echo $enable_targets | sed 's/,/ /g'`; do
87 if test $t = "all"; then
91 result=`$ac_config_sub $t 2>/dev/null`
92 if test -n "$result" ; then
93 canon_targets="$canon_targets $result"
95 # # Permit "all", etc. We don't support it yet though.
96 # canon_targets="$canon_targets $t"
99 GAS_UNIQ(canon_targets)
104 for this_target in $target $canon_targets ; do
107 . ${srcdir}/configure.tgt
109 case ${target_cpu} in
111 AC_DEFINE_UNQUOTED(DEFAULT_CRIS_ARCH, $arch,
112 [Default CRIS architecture.])
116 if test ${this_target} = $target ; then
117 target_cpu_type=${cpu_type}
118 elif test ${target_cpu_type} != ${cpu_type} ; then
122 generic_target=${cpu_type}-${target_vendor}-${target_os}
123 case ${generic_target} in
125 if test ${this_target} = $target; then
126 AC_DEFINE(SCO_ELF, 1, [Define if defaulting to ELF on SCO 5.])
133 AC_DEFINE(STRICTCOFF, 1, [Using strict COFF?])
137 AC_MSG_WARN(GAS support for ${generic_target} is preliminary and a work in progress)
146 AC_MSG_ERROR(Unknown vendor for mips-bsd configuration.)
152 AC_DEFINE(AIX_WEAK_SUPPORT, 1,
153 [Define if using AIX 5.2 value for C_WEAKEXT.])
158 *) AC_MSG_ERROR(GNU/Linux must be configured big endian) ;;
162 if test ${this_target} = $target; then
163 AC_DEFINE(TARGET_SOLARIS_COMMENT, 1,
164 [Define if default target is PowerPC Solaris.])
166 if test x${endian} = xbig; then
167 AC_MSG_ERROR(Solaris must be configured little endian)
172 AC_DEFINE(TARGET_SYMBIAN, 1, [Define if target is Symbian OS.])
176 if test ${this_target} = $target ; then
178 if test x${endian} = xbig; then
180 elif test x${endian} = xlittle; then
183 if test x${endian_def} != x; then
184 AC_DEFINE_UNQUOTED(TARGET_BYTES_BIG_ENDIAN, $endian_def,
185 [Define as 1 if big endian.])
189 # Other random stuff.
193 # Set mips_cpu to the name of the default CPU.
194 case ${target_cpu} in
195 mips | mipsbe | mipseb | mipsle | mipsel | mips64 | mips64el)
198 mipsisa32 | mipsisa32el)
201 mipsisa32r2 | mipsisa32r2el)
204 mipsisa64 | mipsisa64el)
207 mipsisa64r2 | mipsisa64r2el)
210 mipstx39 | mipstx39el)
213 mips64vr | mips64vrel)
216 mipsisa32r2* | mipsisa64r2*)
218 mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..r2//' -e 's/el$//'`
221 mips64* | mipsisa64* | mipsisa32*)
223 mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..//' -e 's/el$//'`
227 AC_MSG_ERROR($target_cpu isn't a supported MIPS CPU name)
230 # See whether it's appropriate to set E_MIPS_ABI_O32 for o32
231 # binaries. It's a GNU extension that some OSes don't understand.
232 # The value only matters on ELF targets.
241 # Decide whether to generate 32-bit or 64-bit code by default.
242 # Used to resolve -march=from-abi when an embedded ABI is selected.
244 mips64*-*-* | mipsisa64*-*-*)
251 # Decide which ABI to target by default.
253 mips64*-linux* | mips-sgi-irix6*)
254 mips_default_abi=N32_ABI
257 mips_default_abi=O32_ABI
260 mips_default_abi=N64_ABI
263 mips_default_abi=NO_ABI
266 AC_DEFINE_UNQUOTED(MIPS_CPU_STRING_DEFAULT, "$mips_cpu",
267 [Default CPU for MIPS targets. ])
268 AC_DEFINE_UNQUOTED(USE_E_MIPS_ABI_O32, $use_e_mips_abi_o32,
269 [Allow use of E_MIPS_ABI_O32 on MIPS targets. ])
270 AC_DEFINE_UNQUOTED(MIPS_DEFAULT_64BIT, $mips_default_64bit,
271 [Generate 64-bit code by default on MIPS targets. ])
272 AC_DEFINE_UNQUOTED(MIPS_DEFAULT_ABI, $mips_default_abi,
273 [Choose a default ABI for MIPS targets. ])
277 # Do we need the opcodes library?
285 case "${enable_shared}" in
286 yes) shared_opcodes=true ;;
287 *opcodes*) shared_opcodes=true ;;
288 *) shared_opcodes=false ;;
293 # Any other special object files needed ?
297 echo ${extra_objects} | grep -s "bfin-parse.o"
298 if test $? -ne 0 ; then
299 extra_objects="$extra_objects bfin-parse.o"
302 echo ${extra_objects} | grep -s "bfin-lex.o"
303 if test $? -ne 0 ; then
304 extra_objects="$extra_objects bfin-lex.o"
308 fr30 | ip2k | iq2000 | lm32 | m32r | openrisc)
319 case ${extra_objects} in
321 *) extra_objects="$extra_objects m68k-parse.o" ;;
330 echo ${extra_objects} | grep -s "itbl-parse.o"
331 if test $? -ne 0 ; then
332 extra_objects="$extra_objects itbl-parse.o"
335 echo ${extra_objects} | grep -s "itbl-lex.o"
336 if test $? -ne 0 ; then
337 extra_objects="$extra_objects itbl-lex.o"
340 echo ${extra_objects} | grep -s "itbl-ops.o"
341 if test $? -ne 0 ; then
342 extra_objects="$extra_objects itbl-ops.o"
351 if test $this_target = $target ; then
352 AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
357 echo ${extra_objects} | grep -s "rx-parse.o"
358 if test $? -ne 0 ; then
359 extra_objects="$extra_objects rx-parse.o"
372 echo ${extra_objects} | grep -s "xtensa-relax.o"
373 if test $? -ne 0 ; then
374 extra_objects="$extra_objects xtensa-relax.o"
382 if test $using_cgen = yes ; then
383 case "x${extra_objects}" in
385 *) extra_objects="$extra_objects cgen.o" ;;
389 # See if we really can support this configuration with the emulation code.
391 if test $this_target = $target ; then
397 vms) extra_objects="$extra_objects te-vms.o" ;;
400 # From target name and format, produce a list of supported emulations.
402 case ${generic_target}-${fmt} in
403 mips-*-irix5*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
404 mips*-*-linux*-*) case "$endian" in
405 big) emulation="mipsbelf mipslelf mipself" ;;
406 *) emulation="mipslelf mipsbelf mipself" ;;
408 mips-*-lnews*-ecoff) ;;
409 mips-*-*-ecoff) case "$endian" in
410 big) emulation="mipsbecoff mipslecoff mipsecoff" ;;
411 *) emulation="mipslecoff mipsbecoff mipsecoff" ;;
413 mips-*-*-elf) case "$endian" in
414 big) emulation="mipsbelf mipslelf mipself" ;;
415 *) emulation="mipslelf mipsbelf mipself" ;;
417 mips-*-sysv4*MP*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
418 # i386-pc-pe-coff != i386-pc-coff.
420 # Uncommenting the next line will turn on support for i386 AOUT
421 # for the default linux configuration
422 # i386-*-linux*-elf) emulation="i386elf i386aout" ;;
424 i386-*-aout) emulation="i386aout" ;;
425 i386-*-coff) emulation="i386coff" ;;
426 i386-*-elf) emulation="i386elf" ;;
428 # Always all formats. The first stated emulation becomes the default.
429 cris-*-*aout*) emulation="crisaout criself" ;;
430 cris-*-*) emulation="criself crisaout" ;;
433 emulations="$emulations $emulation"
437 # Turn on all targets if possible
438 if test ${all_targets} = "yes"; then
439 case ${target_cpu_type} in
441 case ${obj_format} in
443 emulations="$emulations i386coff i386elf"
446 emulations="$emulations i386aout i386elf"
449 emulations="$emulations i386aout i386coff"
454 case ${obj_format} in
456 emulations="$emulations i386coff i386elf"
459 emulations="$emulations i386aout i386elf"
462 emulations="$emulations i386aout i386coff"
469 # PE code has way too many macros tweaking behaviour
471 pe*) emulations="" ;;
474 # Assign floating point type. Most processors with FP support
475 # IEEE FP. On those that don't support FP at all, usually IEEE
477 case ${target_cpu} in
478 vax | pdp11 ) atof=vax ;;
482 case "${obj_format}" in
483 "") AC_MSG_ERROR(GAS does not know what format to use for target ${target}) ;;
486 # Unfortunately the cpu in cpu-opc.h file isn't always $(TARGET_CPU).
488 if test $using_cgen = yes ; then
489 case ${target_cpu} in
490 *) cgen_cpu_prefix=${target_cpu} ;;
492 AC_SUBST(cgen_cpu_prefix)
493 AC_DEFINE(USING_CGEN, 1, [Using cgen code?])
497 dnl Make sure the desired support files exist.
500 if test ! -r ${srcdir}/config/tc-${target_cpu_type}.c; then
501 AC_MSG_ERROR(GAS does not support target CPU ${target_cpu_type})
504 if test ! -r ${srcdir}/config/obj-${obj_format}.c; then
505 AC_MSG_ERROR(GAS does not have support for object file format ${obj_format})
508 # Some COFF configurations want these random other flags set.
509 case ${obj_format} in
511 case ${target_cpu_type} in
512 i386) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
513 m68k) AC_DEFINE(M68KCOFF, 1, [Using m68k COFF?]) ;;
514 m88k) AC_DEFINE(M88KCOFF, 1, [Using m88k COFF?]) ;;
515 x86_64) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
520 # Getting this done right is going to be a bitch. Each configuration specified
521 # with --enable-targets=... should be checked for environment, format, cpu
524 # For each configuration, the necessary object file support code must be linked
525 # in. This might be only one, it might be up to four. The necessary emulation
526 # code needs to be provided, too.
528 # And then there's "--enable-targets=all"....
530 # For now, just always do it for MIPS ELF or ECOFF configurations. Sigh.
532 formats="${obj_format}"
536 for em in . $emulations ; do
539 mipsbelf | mipslelf | mipself)
540 fmt=elf file=mipself ;;
541 mipsbecoff | mipslecoff | mipsecoff)
542 fmt=ecoff file=mipsecoff ;;
550 formats="$formats $fmt"
551 emfiles="$emfiles e-$file.o"
552 EMULATIONS="$EMULATIONS &$em,"
556 if test `set . $formats ; shift ; echo $#` -gt 1 ; then
557 for fmt in $formats ; do
559 aout) AC_DEFINE(OBJ_MAYBE_AOUT, 1, [a.out support?]) ;;
560 bout) AC_DEFINE(OBJ_MAYBE_BOUT, 1, [b.out support?]) ;;
561 coff) AC_DEFINE(OBJ_MAYBE_COFF, 1, [COFF support?]) ;;
562 ecoff) AC_DEFINE(OBJ_MAYBE_ECOFF, 1, [ECOFF support?]) ;;
563 elf) AC_DEFINE(OBJ_MAYBE_ELF, 1, [ELF support?]) ;;
564 generic) AC_DEFINE(OBJ_MAYBE_GENERIC, 1, [generic support?]) ;;
565 som) AC_DEFINE(OBJ_MAYBE_SOM, 1, [SOM support?]) ;;
567 extra_objects="$extra_objects obj-$fmt.o"
571 if test `set . $emfiles ; shift ; echo $#` -gt 0 ; then
572 DEFAULT_EMULATION=`set . $emulations ; echo $2`
573 # e-mips* has more than one emulation per file, e-i386* has just one at the
574 # moment. If only one emulation is specified, then don't define
575 # USE_EMULATIONS or include any of the e-files as they will only be bloat.
576 case "${obj_format}${emfiles}" in
578 extra_objects="$extra_objects $emfiles"
579 AC_DEFINE(USE_EMULATIONS, 1, [Use emulation support?]) ;;
582 AC_SUBST(extra_objects)
583 AC_DEFINE_UNQUOTED(EMULATIONS, $EMULATIONS, [Supported emulations.])
584 AC_DEFINE_UNQUOTED(DEFAULT_EMULATION, "$DEFAULT_EMULATION",
585 [Default emulation.])
587 reject_dev_configs=yes
589 case ${reject_dev_configs}-${dev} in
591 AC_MSG_ERROR(GAS does not support the ${generic_target} configuration.)
595 AC_SUBST(target_cpu_type)
598 AC_SUBST(install_tooldir)
600 dnl AC_SUBST(emulation)
602 # do we need the opcodes library?
603 case "${need_opcodes}" in
605 OPCODES_LIB=../opcodes/libopcodes.la
609 AC_SUBST(OPCODES_LIB)
611 AC_DEFINE_UNQUOTED(TARGET_ALIAS, "${target_alias}", [Target alias.])
612 AC_DEFINE_UNQUOTED(TARGET_CANONICAL, "${target}", [Canonical target.])
613 AC_DEFINE_UNQUOTED(TARGET_CPU, "${target_cpu}", [Target CPU.])
614 AC_DEFINE_UNQUOTED(TARGET_VENDOR, "${target_vendor}", [Target vendor.])
615 AC_DEFINE_UNQUOTED(TARGET_OS, "${target_os}", [Target OS.])
620 ALL_LINGUAS="fr tr es rw id ru"
621 ZW_GNU_GETTEXT_SISTER_DIR
625 AM_CONDITIONAL(GENINSRC_NEVER, false)
628 AC_CHECK_HEADERS(string.h stdlib.h memory.h strings.h unistd.h errno.h sys/types.h limits.h time.h sys/stat.h)
630 # Put this here so that autoconf's "cross-compiling" message doesn't confuse
631 # people who are not cross-compiling but are compiling cross-assemblers.
632 AC_MSG_CHECKING(whether compiling a cross-assembler)
633 if test "${host}" = "${target}"; then
637 AC_DEFINE(CROSS_COMPILE, 1, [Compiling cross-assembler?])
639 AC_MSG_RESULT($cross_gas)
641 dnl ansidecl.h will deal with const
646 # VMS doesn't have unlink.
647 AC_CHECK_FUNCS(unlink remove, break)
649 # Some systems don't have sbrk().
652 # do we need the math library?
653 case "${need_libm}" in
660 # Some non-ANSI preprocessors botch requoting inside strings. That's bad
661 # enough, but on some of those systems, the assert macro relies on requoting
665 # On some systems, the system header files may not declare malloc, realloc,
666 # and free. There are places where gas needs these functions to have been
667 # declared -- such as when taking their addresses.
675 #ifdef HAVE_STRINGS_H
687 # Does errno.h declare errno, or do we have to add a separate declaration
689 GAS_CHECK_DECL_NEEDED(errno, f, int f, [
695 AC_MSG_CHECKING(for a known getopt prototype in unistd.h)
696 AC_CACHE_VAL(gas_cv_decl_getopt_unistd_h,
697 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);])],
698 gas_cv_decl_getopt_unistd_h=yes, gas_cv_decl_getopt_unistd_h=no)])
699 AC_MSG_RESULT($gas_cv_decl_getopt_unistd_h)
700 if test $gas_cv_decl_getopt_unistd_h = yes; then
701 AC_DEFINE([HAVE_DECL_GETOPT], 1,
702 [Is the prototype for getopt in <unistd.h> in the expected format?])
705 GAS_CHECK_DECL_NEEDED(environ, f, char **f, $gas_test_headers)
706 GAS_CHECK_DECL_NEEDED(ffs, f, int (*f)(int), $gas_test_headers)
707 GAS_CHECK_DECL_NEEDED(free, f, void (*f)(), $gas_test_headers)
708 GAS_CHECK_DECL_NEEDED(malloc, f, char *(*f)(), $gas_test_headers)
709 GAS_CHECK_DECL_NEEDED(sbrk, f, char *(*f)(), $gas_test_headers)
710 GAS_CHECK_DECL_NEEDED(strstr, f, char *(*f)(), $gas_test_headers)
712 AC_CHECK_DECLS([mempcpy])
713 AC_CHECK_DECLS([vsnprintf])
717 # Link in zlib if we can. This allows us to write compressed debug sections.
720 # Support for VMS timestamps via cross compile
722 if test "$ac_cv_header_time_h" = yes; then
723 GAS_HAVE_TIME_TYPE_MEMBER(struct tm, tm_gmtoff)
726 if test "$ac_cv_header_sys_stat_h" = yes; then
727 GAS_HAVE_SYS_STAT_TYPE_MEMBER(struct stat, st_mtim, tv_sec)
728 GAS_HAVE_SYS_STAT_TYPE_MEMBER(struct stat, st_mtim, tv_nsec)
732 dnl Required for html, pdf, install-pdf and install-html targets.
733 AC_SUBST(datarootdir)
738 dnl This must come last.
740 dnl We used to make symlinks to files in the source directory, but now
741 dnl we just use the right name for .c files, and create .h files in
742 dnl the build directory which include the right .h file. Make sure
743 dnl the old symlinks don't exist, so that a reconfigure in an existing
744 dnl directory behaves reasonably.
746 AC_CONFIG_FILES(Makefile doc/Makefile po/Makefile.in:po/Make-in)
747 AC_CONFIG_COMMANDS([default],
748 [rm -f targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c itbl-cpu.h
749 echo '#include "tc-'"${target_cpu_type}"'.h"' > targ-cpu.h
750 echo '#include "obj-'"${obj_format}"'.h"' > obj-format.h
751 echo '#include "te-'"${te_file}"'.h"' > targ-env.h
752 echo '#include "itbl-'"${target_cpu_type}"'.h"' > itbl-cpu.h
753 if test "x$cgen_cpu_prefix" != x ; then
754 echo '#include "opcodes/'"${cgen_cpu_prefix}"'-desc.h"' > cgen-desc.h
756 [target_cpu_type=${target_cpu_type}
757 cgen_cpu_prefix=${cgen_cpu_prefix}
758 obj_format=${obj_format}