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 ${enableval} for BFD commonbfdlib option]) ;;
43 # The location to which bugs should be reported.
45 AS_HELP_STRING([--with-bugurl=URL],
46 [Direct users to URL to report a bug]),
48 yes) AC_MSG_ERROR([bug URL not specified]) ;;
49 no) REPORT_BUGS_TO="";
52 *) REPORT_BUGS_TO="<URL:$withval>"
53 REPORT_BUGS_TEXI="@uref{`echo $withval | sed 's/@/@@/g'`}"
56 REPORT_BUGS_TO="<URL:http://www.sourceware.org/bugzilla/>"
57 REPORT_BUGS_TEXI="@uref{http://www.sourceware.org/bugzilla/}"
59 AC_SUBST(REPORT_BUGS_TO)
60 AC_SUBST(REPORT_BUGS_TEXI)
64 # Generate a header file
65 AM_CONFIG_HEADER(config.h:config.in)
67 # If we are on a DOS filesystem, we must use gdb.ini rather than
70 *-*-msdos* | *-*-go32* | *-*-mingw32* | *-*-windows*)
72 AC_CONFIG_FILES(gdb.ini:gdbinit.in)
76 AC_CONFIG_FILES(.gdbinit:gdbinit.in)
81 #We need this for the host. BOUT header is in host order.
86 # Makefile target for installing gas in $(tooldir)/bin.
87 install_tooldir=install-exec-tooldir
91 if test -n "$enable_targets" ; then
92 for t in `echo $enable_targets | sed 's/,/ /g'`; do
93 if test $t = "all"; then
97 result=`$ac_config_sub $t 2>/dev/null`
98 if test -n "$result" ; then
99 canon_targets="$canon_targets $result"
101 # # Permit "all", etc. We don't support it yet though.
102 # canon_targets="$canon_targets $t"
105 GAS_UNIQ(canon_targets)
110 for this_target in $target $canon_targets ; do
113 . ${srcdir}/configure.tgt
115 case ${target_cpu} in
117 AC_DEFINE_UNQUOTED(DEFAULT_CRIS_ARCH, $arch,
118 [Default CRIS architecture.])
122 if test ${this_target} = $target ; then
123 target_cpu_type=${cpu_type}
124 elif test ${target_cpu_type} != ${cpu_type} ; then
128 generic_target=${cpu_type}-${target_vendor}-${target_os}
129 case ${generic_target} in
131 if test ${this_target} = $target; then
132 AC_DEFINE(SCO_ELF, 1, [Define if defaulting to ELF on SCO 5.])
139 AC_DEFINE(STRICTCOFF, 1, [Using strict COFF?])
143 AC_MSG_WARN(GAS support for ${generic_target} is preliminary and a work in progress)
149 AC_MSG_ERROR(Unknown vendor for mips-bsd configuration.)
153 AC_DEFINE(AIX_WEAK_SUPPORT, 1,
154 [Define if using AIX 5.2 value for C_WEAKEXT.])
159 *) AC_MSG_ERROR(GNU/Linux must be configured big endian) ;;
163 if test ${this_target} = $target; then
164 AC_DEFINE(TARGET_SOLARIS_COMMENT, 1,
165 [Define if default target is PowerPC Solaris.])
167 if test x${endian} = xbig; then
168 AC_MSG_ERROR(Solaris must be configured little endian)
173 AC_DEFINE(TARGET_SYMBIAN, 1, [Define if target is Symbian OS.])
177 if test ${this_target} = $target ; then
179 if test x${endian} = xbig; then
181 elif test x${endian} = xlittle; then
184 if test x${endian_def} != x; then
185 AC_DEFINE_UNQUOTED(TARGET_BYTES_BIG_ENDIAN, $endian_def,
186 [Define as 1 if big endian.])
190 # Other random stuff.
194 # Set mips_cpu to the name of the default CPU.
195 case ${target_cpu} in
196 mips | mipsbe | mipseb | mipsle | mipsel | mips64 | mips64el)
199 mipsisa32 | mipsisa32el)
202 mipsisa32r2 | mipsisa32r2el)
205 mipsisa64 | mipsisa64el)
208 mipsisa64r2 | mipsisa64r2el)
211 mipstx39 | mipstx39el)
214 mips64vr | mips64vrel)
217 mipsisa32r2* | mipsisa64r2*)
219 mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..r2//' -e 's/el$//'`
222 mips64* | mipsisa64* | mipsisa32*)
224 mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..//' -e 's/el$//'`
228 AC_ERROR($target_cpu isn't a supported MIPS CPU name)
231 # See whether it's appropriate to set E_MIPS_ABI_O32 for o32
232 # binaries. It's a GNU extension that some OSes don't understand.
233 # The value only matters on ELF targets.
242 # Decide whether to generate 32-bit or 64-bit code by default.
243 # Used to resolve -march=from-abi when an embedded ABI is selected.
245 mips64*-*-* | mipsisa64*-*-*)
252 # Decide which ABI to target by default.
254 mips64*-linux* | mips-sgi-irix6*)
255 mips_default_abi=N32_ABI
258 mips_default_abi=O32_ABI
261 mips_default_abi=N64_ABI
264 mips_default_abi=NO_ABI
267 AC_DEFINE_UNQUOTED(MIPS_CPU_STRING_DEFAULT, "$mips_cpu",
268 [Default CPU for MIPS targets. ])
269 AC_DEFINE_UNQUOTED(USE_E_MIPS_ABI_O32, $use_e_mips_abi_o32,
270 [Allow use of E_MIPS_ABI_O32 on MIPS targets. ])
271 AC_DEFINE_UNQUOTED(MIPS_DEFAULT_64BIT, $mips_default_64bit,
272 [Generate 64-bit code by default on MIPS targets. ])
273 AC_DEFINE_UNQUOTED(MIPS_DEFAULT_ABI, $mips_default_abi,
274 [Choose a default ABI for MIPS targets. ])
278 # Do we need the opcodes library?
286 case "${enable_shared}" in
287 yes) shared_opcodes=true ;;
288 *opcodes*) shared_opcodes=true ;;
289 *) shared_opcodes=false ;;
294 # Any other special object files needed ?
298 echo ${extra_objects} | grep -s "bfin-parse.o"
299 if test $? -ne 0 ; then
300 extra_objects="$extra_objects bfin-parse.o"
303 echo ${extra_objects} | grep -s "bfin-lex.o"
304 if test $? -ne 0 ; then
305 extra_objects="$extra_objects bfin-lex.o"
309 fr30 | ip2k | iq2000 | m32r | openrisc)
320 case ${extra_objects} in
322 *) extra_objects="$extra_objects m68k-parse.o" ;;
331 echo ${extra_objects} | grep -s "itbl-parse.o"
332 if test $? -ne 0 ; then
333 extra_objects="$extra_objects itbl-parse.o"
336 echo ${extra_objects} | grep -s "itbl-lex.o"
337 if test $? -ne 0 ; then
338 extra_objects="$extra_objects itbl-lex.o"
341 echo ${extra_objects} | grep -s "itbl-ops.o"
342 if test $? -ne 0 ; then
343 extra_objects="$extra_objects itbl-ops.o"
352 if test $this_target = $target ; then
353 AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
366 echo ${extra_objects} | grep -s "xtensa-relax.o"
367 if test $? -ne 0 ; then
368 extra_objects="$extra_objects xtensa-relax.o"
376 if test $using_cgen = yes ; then
377 case "x${extra_objects}" in
379 *) extra_objects="$extra_objects cgen.o" ;;
383 # See if we really can support this configuration with the emulation code.
385 if test $this_target = $target ; then
390 # From target name and format, produce a list of supported emulations.
392 case ${generic_target}-${fmt} in
393 mips-*-irix5*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
394 mips*-*-linux*-*) case "$endian" in
395 big) emulation="mipsbelf mipslelf mipself" ;;
396 *) emulation="mipslelf mipsbelf mipself" ;;
398 mips-*-lnews*-ecoff) ;;
399 mips-*-*-ecoff) case "$endian" in
400 big) emulation="mipsbecoff mipslecoff mipsecoff" ;;
401 *) emulation="mipslecoff mipsbecoff mipsecoff" ;;
403 mips-*-*-elf) case "$endian" in
404 big) emulation="mipsbelf mipslelf mipself" ;;
405 *) emulation="mipslelf mipsbelf mipself" ;;
407 mips-*-sysv4*MP*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
408 # i386-pc-pe-coff != i386-pc-coff.
410 # Uncommenting the next line will turn on support for i386 AOUT
411 # for the default linux configuration
412 # i386-*-linux*-elf) emulation="i386elf i386aout" ;;
414 i386-*-aout) emulation="i386aout" ;;
415 i386-*-coff) emulation="i386coff" ;;
416 i386-*-elf) emulation="i386elf" ;;
418 # Always all formats. The first stated emulation becomes the default.
419 cris-*-*aout*) emulation="crisaout criself" ;;
420 cris-*-*) emulation="criself crisaout" ;;
423 emulations="$emulations $emulation"
427 # Turn on all targets if possible
428 if test ${all_targets} = "yes"; then
429 case ${target_cpu_type} in
431 case ${obj_format} in
433 emulations="$emulations i386coff i386elf"
436 emulations="$emulations i386aout i386elf"
439 emulations="$emulations i386aout i386coff"
444 case ${obj_format} in
446 emulations="$emulations i386coff i386elf"
449 emulations="$emulations i386aout i386elf"
452 emulations="$emulations i386aout i386coff"
459 # Assign floating point type. Most processors with FP support
460 # IEEE FP. On those that don't support FP at all, usually IEEE
462 case ${target_cpu} in
463 vax | pdp11 ) atof=vax ;;
467 case "${obj_format}" in
468 "") AC_MSG_ERROR(GAS does not know what format to use for target ${target}) ;;
471 # Unfortunately the cpu in cpu-opc.h file isn't always $(TARGET_CPU).
473 if test $using_cgen = yes ; then
474 case ${target_cpu} in
475 *) cgen_cpu_prefix=${target_cpu} ;;
477 AC_SUBST(cgen_cpu_prefix)
478 AC_DEFINE(USING_CGEN, 1, [Using cgen code?])
482 dnl Make sure the desired support files exist.
485 if test ! -r ${srcdir}/config/tc-${target_cpu_type}.c; then
486 AC_MSG_ERROR(GAS does not support target CPU ${target_cpu_type})
489 if test ! -r ${srcdir}/config/obj-${obj_format}.c; then
490 AC_MSG_ERROR(GAS does not have support for object file format ${obj_format})
493 # Some COFF configurations want these random other flags set.
494 case ${obj_format} in
496 case ${target_cpu_type} in
497 i386) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
498 m68k) AC_DEFINE(M68KCOFF, 1, [Using m68k COFF?]) ;;
499 m88k) AC_DEFINE(M88KCOFF, 1, [Using m88k COFF?]) ;;
500 x86_64) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
505 # Getting this done right is going to be a bitch. Each configuration specified
506 # with --enable-targets=... should be checked for environment, format, cpu
509 # For each configuration, the necessary object file support code must be linked
510 # in. This might be only one, it might be up to four. The necessary emulation
511 # code needs to be provided, too.
513 # And then there's "--enable-targets=all"....
515 # For now, just always do it for MIPS ELF or ECOFF configurations. Sigh.
517 formats="${obj_format}"
521 for em in . $emulations ; do
524 mipsbelf | mipslelf | mipself)
525 fmt=elf file=mipself ;;
526 mipsbecoff | mipslecoff | mipsecoff)
527 fmt=ecoff file=mipsecoff ;;
535 formats="$formats $fmt"
536 emfiles="$emfiles e-$file.o"
537 EMULATIONS="$EMULATIONS &$em,"
541 if test `set . $formats ; shift ; echo $#` -gt 1 ; then
542 for fmt in $formats ; do
544 aout) AC_DEFINE(OBJ_MAYBE_AOUT, 1, [a.out support?]) ;;
545 bout) AC_DEFINE(OBJ_MAYBE_BOUT, 1, [b.out support?]) ;;
546 coff) AC_DEFINE(OBJ_MAYBE_COFF, 1, [COFF support?]) ;;
547 ecoff) AC_DEFINE(OBJ_MAYBE_ECOFF, 1, [ECOFF support?]) ;;
548 elf) AC_DEFINE(OBJ_MAYBE_ELF, 1, [ELF support?]) ;;
549 generic) AC_DEFINE(OBJ_MAYBE_GENERIC, 1, [generic support?]) ;;
550 som) AC_DEFINE(OBJ_MAYBE_SOM, 1, [SOM support?]) ;;
552 extra_objects="$extra_objects obj-$fmt.o"
556 if test `set . $emfiles ; shift ; echo $#` -gt 0 ; then
557 DEFAULT_EMULATION=`set . $emulations ; echo $2`
558 # e-mips* has more than one emulation per file, e-i386* has just one at the
559 # moment. If only one emulation is specified, then don't define
560 # USE_EMULATIONS or include any of the e-files as they will only be bloat.
561 case "${obj_format}${emfiles}" in
563 extra_objects="$extra_objects $emfiles"
564 AC_DEFINE(USE_EMULATIONS, 1, [Use emulation support?]) ;;
567 AC_SUBST(extra_objects)
568 AC_DEFINE_UNQUOTED(EMULATIONS, $EMULATIONS, [Supported emulations.])
569 AC_DEFINE_UNQUOTED(DEFAULT_EMULATION, "$DEFAULT_EMULATION",
570 [Default emulation.])
572 reject_dev_configs=yes
574 case ${reject_dev_configs}-${dev} in
576 AC_MSG_ERROR(GAS does not support the ${generic_target} configuration.)
580 AC_SUBST(target_cpu_type)
583 AC_SUBST(install_tooldir)
585 dnl AC_SUBST(emulation)
587 # do we need the opcodes library?
588 case "${need_opcodes}" in
590 OPCODES_LIB=../opcodes/libopcodes.la
594 AC_SUBST(OPCODES_LIB)
596 AC_DEFINE_UNQUOTED(TARGET_ALIAS, "${target_alias}", [Target alias.])
597 AC_DEFINE_UNQUOTED(TARGET_CANONICAL, "${target}", [Canonical target.])
598 AC_DEFINE_UNQUOTED(TARGET_CPU, "${target_cpu}", [Target CPU.])
599 AC_DEFINE_UNQUOTED(TARGET_VENDOR, "${target_vendor}", [Target vendor.])
600 AC_DEFINE_UNQUOTED(TARGET_OS, "${target_os}", [Target OS.])
607 ALL_LINGUAS="fr tr es rw"
608 ZW_GNU_GETTEXT_SISTER_DIR
612 AM_CONDITIONAL(GENINSRC_NEVER, false)
615 AC_CHECK_HEADERS(string.h stdlib.h memory.h strings.h unistd.h stdarg.h varargs.h errno.h sys/types.h)
617 # Put this here so that autoconf's "cross-compiling" message doesn't confuse
618 # people who are not cross-compiling but are compiling cross-assemblers.
619 AC_MSG_CHECKING(whether compiling a cross-assembler)
620 if test "${host}" = "${target}"; then
624 AC_DEFINE(CROSS_COMPILE, 1, [Compiling cross-assembler?])
626 AC_MSG_RESULT($cross_gas)
628 dnl ansidecl.h will deal with const
633 # VMS doesn't have unlink.
634 AC_CHECK_FUNCS(unlink remove, break)
636 # Some systems don't have sbrk().
639 # do we need the math library?
640 case "${need_libm}" in
647 # Some non-ANSI preprocessors botch requoting inside strings. That's bad
648 # enough, but on some of those systems, the assert macro relies on requoting
652 # On some systems, the system header files may not declare malloc, realloc,
653 # and free. There are places where gas needs these functions to have been
654 # declared -- such as when taking their addresses.
662 #ifdef HAVE_STRINGS_H
674 # Does errno.h declare errno, or do we have to add a separate declaration
676 GAS_CHECK_DECL_NEEDED(errno, f, int f, [
682 AC_MSG_CHECKING(for a known getopt prototype in unistd.h)
683 AC_CACHE_VAL(gas_cv_decl_getopt_unistd_h,
684 [AC_TRY_COMPILE([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);],
685 gas_cv_decl_getopt_unistd_h=yes, gas_cv_decl_getopt_unistd_h=no)])
686 AC_MSG_RESULT($gas_cv_decl_getopt_unistd_h)
687 if test $gas_cv_decl_getopt_unistd_h = yes; then
688 AC_DEFINE([HAVE_DECL_GETOPT], 1,
689 [Is the prototype for getopt in <unistd.h> in the expected format?])
692 GAS_CHECK_DECL_NEEDED(environ, f, char **f, $gas_test_headers)
693 GAS_CHECK_DECL_NEEDED(ffs, f, int (*f)(int), $gas_test_headers)
694 GAS_CHECK_DECL_NEEDED(free, f, void (*f)(), $gas_test_headers)
695 GAS_CHECK_DECL_NEEDED(malloc, f, char *(*f)(), $gas_test_headers)
696 GAS_CHECK_DECL_NEEDED(sbrk, f, char *(*f)(), $gas_test_headers)
697 GAS_CHECK_DECL_NEEDED(strstr, f, char *(*f)(), $gas_test_headers)
699 AC_CHECK_DECLS([vsnprintf])
703 dnl Required for html and install-html targets.
704 AC_SUBST(datarootdir)
708 dnl This must come last.
710 dnl We used to make symlinks to files in the source directory, but now
711 dnl we just use the right name for .c files, and create .h files in
712 dnl the build directory which include the right .h file. Make sure
713 dnl the old symlinks don't exist, so that a reconfigure in an existing
714 dnl directory behaves reasonably.
716 AC_CONFIG_FILES(Makefile doc/Makefile po/Makefile.in:po/Make-in)
717 AC_CONFIG_COMMANDS([default],
718 [rm -f targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c itbl-cpu.h
719 echo '#include "tc-'"${target_cpu_type}"'.h"' > targ-cpu.h
720 echo '#include "obj-'"${obj_format}"'.h"' > obj-format.h
721 echo '#include "te-'"${te_file}"'.h"' > targ-env.h
722 echo '#include "itbl-'"${target_cpu_type}"'.h"' > itbl-cpu.h
723 if test "x$cgen_cpu_prefix" != x ; then
724 echo '#include "opcodes/'"${cgen_cpu_prefix}"'-desc.h"' > cgen-desc.h
726 [target_cpu_type=${target_cpu_type}
727 cgen_cpu_prefix=${cgen_cpu_prefix}
728 obj_format=${obj_format}