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 ${enableval} for BFD commonbfdlib option]) ;;
43 # The location to which bugs should be reported.
45 AS_HELP_STRING([--with-bugurl=URL],
46 [Direct users to URL to report a bug]),
48 yes) AC_MSG_ERROR([bug URL not specified]) ;;
49 no) REPORT_BUGS_TO="" ;;
50 *) REPORT_BUGS_TO="<URL:$withval>" ;;
54 AC_SUBST(REPORT_BUGS_TO)
58 # Generate a header file
59 AM_CONFIG_HEADER(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)
143 AC_MSG_ERROR(Unknown vendor for mips-bsd configuration.)
147 AC_DEFINE(AIX_WEAK_SUPPORT, 1,
148 [Define if using AIX 5.2 value for C_WEAKEXT.])
153 *) AC_MSG_ERROR(GNU/Linux must be configured big endian) ;;
157 if test ${this_target} = $target; then
158 AC_DEFINE(TARGET_SOLARIS_COMMENT, 1,
159 [Define if default target is PowerPC Solaris.])
161 if test x${endian} = xbig; then
162 AC_MSG_ERROR(Solaris must be configured little endian)
167 AC_DEFINE(TARGET_SYMBIAN, 1, [Define if target is Symbian OS.])
171 if test ${this_target} = $target ; then
173 if test x${endian} = xbig; then
175 elif test x${endian} = xlittle; then
178 if test x${endian_def} != x; then
179 AC_DEFINE_UNQUOTED(TARGET_BYTES_BIG_ENDIAN, $endian_def,
180 [Define as 1 if big endian.])
184 # Other random stuff.
188 # Set mips_cpu to the name of the default CPU.
189 case ${target_cpu} in
190 mips | mipsbe | mipseb | mipsle | mipsel | mips64 | mips64el)
193 mipsisa32 | mipsisa32el)
196 mipsisa32r2 | mipsisa32r2el)
199 mipsisa64 | mipsisa64el)
202 mipsisa64r2 | mipsisa64r2el)
205 mipstx39 | mipstx39el)
208 mips64vr | mips64vrel)
211 mipsisa32r2* | mipsisa64r2*)
213 mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..r2//' -e 's/el$//'`
216 mips64* | mipsisa64* | mipsisa32*)
218 mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..//' -e 's/el$//'`
222 AC_ERROR($target_cpu isn't a supported MIPS CPU name)
225 # See whether it's appropriate to set E_MIPS_ABI_O32 for o32
226 # binaries. It's a GNU extension that some OSes don't understand.
227 # The value only matters on ELF targets.
236 # Decide whether to generate 32-bit or 64-bit code by default.
237 # Used to resolve -march=from-abi when an embedded ABI is selected.
239 mips64*-*-* | mipsisa64*-*-*)
246 # Decide which ABI to target by default.
248 mips64*-linux* | mips-sgi-irix6*)
249 mips_default_abi=N32_ABI
252 mips_default_abi=O32_ABI
255 mips_default_abi=N64_ABI
258 mips_default_abi=NO_ABI
261 AC_DEFINE_UNQUOTED(MIPS_CPU_STRING_DEFAULT, "$mips_cpu",
262 [Default CPU for MIPS targets. ])
263 AC_DEFINE_UNQUOTED(USE_E_MIPS_ABI_O32, $use_e_mips_abi_o32,
264 [Allow use of E_MIPS_ABI_O32 on MIPS targets. ])
265 AC_DEFINE_UNQUOTED(MIPS_DEFAULT_64BIT, $mips_default_64bit,
266 [Generate 64-bit code by default on MIPS targets. ])
267 AC_DEFINE_UNQUOTED(MIPS_DEFAULT_ABI, $mips_default_abi,
268 [Choose a default ABI for MIPS targets. ])
272 # Do we need the opcodes library?
280 case "${enable_shared}" in
281 yes) shared_opcodes=true ;;
282 *opcodes*) shared_opcodes=true ;;
283 *) shared_opcodes=false ;;
288 # Any other special object files needed ?
292 echo ${extra_objects} | grep -s "bfin-parse.o"
293 if test $? -ne 0 ; then
294 extra_objects="$extra_objects bfin-parse.o"
297 echo ${extra_objects} | grep -s "bfin-lex.o"
298 if test $? -ne 0 ; then
299 extra_objects="$extra_objects bfin-lex.o"
303 fr30 | ip2k | iq2000 | m32r | openrisc)
314 case ${extra_objects} in
316 *) extra_objects="$extra_objects m68k-parse.o" ;;
321 echo ${extra_objects} | grep -s "itbl-parse.o"
322 if test $? -ne 0 ; then
323 extra_objects="$extra_objects itbl-parse.o"
326 echo ${extra_objects} | grep -s "itbl-lex.o"
327 if test $? -ne 0 ; then
328 extra_objects="$extra_objects itbl-lex.o"
331 echo ${extra_objects} | grep -s "itbl-ops.o"
332 if test $? -ne 0 ; then
333 extra_objects="$extra_objects itbl-ops.o"
342 if test $this_target = $target ; then
343 AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
356 echo ${extra_objects} | grep -s "xtensa-relax.o"
357 if test $? -ne 0 ; then
358 extra_objects="$extra_objects xtensa-relax.o"
366 if test $using_cgen = yes ; then
367 case "x${extra_objects}" in
369 *) extra_objects="$extra_objects cgen.o" ;;
373 # See if we really can support this configuration with the emulation code.
375 if test $this_target = $target ; then
380 # From target name and format, produce a list of supported emulations.
382 case ${generic_target}-${fmt} in
383 mips-*-irix5*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
384 mips*-*-linux*-*) case "$endian" in
385 big) emulation="mipsbelf mipslelf mipself" ;;
386 *) emulation="mipslelf mipsbelf mipself" ;;
388 mips-*-lnews*-ecoff) ;;
389 mips-*-*-ecoff) case "$endian" in
390 big) emulation="mipsbecoff mipslecoff mipsecoff" ;;
391 *) emulation="mipslecoff mipsbecoff mipsecoff" ;;
393 mips-*-*-elf) case "$endian" in
394 big) emulation="mipsbelf mipslelf mipself" ;;
395 *) emulation="mipslelf mipsbelf mipself" ;;
397 mips-*-sysv4*MP*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
398 # i386-pc-pe-coff != i386-pc-coff.
400 # Uncommenting the next line will turn on support for i386 AOUT
401 # for the default linux configuration
402 # i386-*-linux*-elf) emulation="i386elf i386aout" ;;
404 i386-*-aout) emulation="i386aout" ;;
405 i386-*-coff) emulation="i386coff" ;;
406 i386-*-elf) emulation="i386elf" ;;
408 # Always all formats. The first stated emulation becomes the default.
409 cris-*-*aout*) emulation="crisaout criself" ;;
410 cris-*-*) emulation="criself crisaout" ;;
413 emulations="$emulations $emulation"
417 # Turn on all targets if possible
418 if test ${all_targets} = "yes"; then
419 case ${target_cpu_type} in
421 case ${obj_format} in
423 emulations="$emulations i386coff i386elf"
426 emulations="$emulations i386aout i386elf"
429 emulations="$emulations i386aout i386coff"
436 # Assign floating point type. Most processors with FP support
437 # IEEE FP. On those that don't support FP at all, usually IEEE
439 case ${target_cpu} in
440 vax | tahoe ) atof=${target_cpu} ;;
445 case "${obj_format}" in
446 "") AC_MSG_ERROR(GAS does not know what format to use for target ${target}) ;;
449 # Unfortunately the cpu in cpu-opc.h file isn't always $(TARGET_CPU).
451 if test $using_cgen = yes ; then
452 case ${target_cpu} in
453 *) cgen_cpu_prefix=${target_cpu} ;;
455 AC_SUBST(cgen_cpu_prefix)
456 AC_DEFINE(USING_CGEN, 1, [Using cgen code?])
460 dnl Make sure the desired support files exist.
463 if test ! -r ${srcdir}/config/tc-${target_cpu_type}.c; then
464 AC_MSG_ERROR(GAS does not support target CPU ${target_cpu_type})
467 if test ! -r ${srcdir}/config/obj-${obj_format}.c; then
468 AC_MSG_ERROR(GAS does not have support for object file format ${obj_format})
471 # Some COFF configurations want these random other flags set.
472 case ${obj_format} in
474 case ${target_cpu_type} in
475 i386) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
476 m68k) AC_DEFINE(M68KCOFF, 1, [Using m68k COFF?]) ;;
477 m88k) AC_DEFINE(M88KCOFF, 1, [Using m88k COFF?]) ;;
482 # Getting this done right is going to be a bitch. Each configuration specified
483 # with --enable-targets=... should be checked for environment, format, cpu
486 # For each configuration, the necessary object file support code must be linked
487 # in. This might be only one, it might be up to four. The necessary emulation
488 # code needs to be provided, too.
490 # And then there's "--enable-targets=all"....
492 # For now, just always do it for MIPS ELF or ECOFF configurations. Sigh.
494 formats="${obj_format}"
498 for em in . $emulations ; do
501 mipsbelf | mipslelf | mipself)
502 fmt=elf file=mipself ;;
503 mipsbecoff | mipslecoff | mipsecoff)
504 fmt=ecoff file=mipsecoff ;;
512 formats="$formats $fmt"
513 emfiles="$emfiles e-$file.o"
514 EMULATIONS="$EMULATIONS &$em,"
518 if test `set . $formats ; shift ; echo $#` -gt 1 ; then
519 for fmt in $formats ; do
521 aout) AC_DEFINE(OBJ_MAYBE_AOUT, 1, [a.out support?]) ;;
522 bout) AC_DEFINE(OBJ_MAYBE_BOUT, 1, [b.out support?]) ;;
523 coff) AC_DEFINE(OBJ_MAYBE_COFF, 1, [COFF support?]) ;;
524 ecoff) AC_DEFINE(OBJ_MAYBE_ECOFF, 1, [ECOFF support?]) ;;
525 elf) AC_DEFINE(OBJ_MAYBE_ELF, 1, [ELF support?]) ;;
526 generic) AC_DEFINE(OBJ_MAYBE_GENERIC, 1, [generic support?]) ;;
527 ieee) AC_DEFINE(OBJ_MAYBE_IEEE, 1, [IEEE support?]) ;;
528 som) AC_DEFINE(OBJ_MAYBE_SOM, 1, [SOM support?]) ;;
530 extra_objects="$extra_objects obj-$fmt.o"
534 if test `set . $emfiles ; shift ; echo $#` -gt 0 ; then
535 DEFAULT_EMULATION=`set . $emulations ; echo $2`
536 # e-mips* has more than one emulation per file, e-i386* has just one at the
537 # moment. If only one emulation is specified, then don't define
538 # USE_EMULATIONS or include any of the e-files as they will only be bloat.
539 case "${obj_format}${emfiles}" in
541 extra_objects="$extra_objects $emfiles"
542 AC_DEFINE(USE_EMULATIONS, 1, [Use emulation support?]) ;;
545 AC_SUBST(extra_objects)
546 AC_DEFINE_UNQUOTED(EMULATIONS, $EMULATIONS, [Supported emulations.])
547 AC_DEFINE_UNQUOTED(DEFAULT_EMULATION, "$DEFAULT_EMULATION",
548 [Default emulation.])
550 reject_dev_configs=yes
552 case ${reject_dev_configs}-${dev} in
554 AC_MSG_ERROR(GAS does not support the ${generic_target} configuration.)
558 AC_SUBST(target_cpu_type)
561 AC_SUBST(install_tooldir)
563 dnl AC_SUBST(emulation)
565 # do we need the opcodes library?
566 case "${need_opcodes}" in
568 OPCODES_LIB=../opcodes/libopcodes.la
572 BFDLIB=../bfd/libbfd.la
573 BFDVER_H=../bfd/bfdver.h
574 ALL_OBJ_DEPS="$ALL_OBJ_DEPS"' ../bfd/bfd.h $(INCDIR)/symcat.h'
577 AC_SUBST(OPCODES_LIB)
580 AC_SUBST(ALL_OBJ_DEPS)
582 AC_DEFINE_UNQUOTED(TARGET_ALIAS, "${target_alias}", [Target alias.])
583 AC_DEFINE_UNQUOTED(TARGET_CANONICAL, "${target}", [Canonical target.])
584 AC_DEFINE_UNQUOTED(TARGET_CPU, "${target_cpu}", [Target CPU.])
585 AC_DEFINE_UNQUOTED(TARGET_VENDOR, "${target_vendor}", [Target vendor.])
586 AC_DEFINE_UNQUOTED(TARGET_OS, "${target_os}", [Target OS.])
593 ALL_LINGUAS="fr tr es rw"
599 AC_CHECK_HEADERS(string.h stdlib.h memory.h strings.h unistd.h stdarg.h varargs.h errno.h sys/types.h)
601 # Put this here so that autoconf's "cross-compiling" message doesn't confuse
602 # people who are not cross-compiling but are compiling cross-assemblers.
603 AC_MSG_CHECKING(whether compiling a cross-assembler)
604 if test "${host}" = "${target}"; then
608 AC_DEFINE(CROSS_COMPILE, 1, [Compiling cross-assembler?])
610 AC_MSG_RESULT($cross_gas)
612 dnl ansidecl.h will deal with const
617 # VMS doesn't have unlink.
618 AC_CHECK_FUNCS(unlink remove, break)
620 # Some systems don't have sbrk().
623 # do we need the math library?
624 case "${need_libm}" in
631 # Some non-ANSI preprocessors botch requoting inside strings. That's bad
632 # enough, but on some of those systems, the assert macro relies on requoting
636 # On some systems, the system header files may not declare malloc, realloc,
637 # and free. There are places where gas needs these functions to have been
638 # declared -- such as when taking their addresses.
646 #ifdef HAVE_STRINGS_H
658 # Does errno.h declare errno, or do we have to add a separate declaration
660 GAS_CHECK_DECL_NEEDED(errno, f, int f, [
666 AC_MSG_CHECKING(for a known getopt prototype in unistd.h)
667 AC_CACHE_VAL(gas_cv_decl_getopt_unistd_h,
668 [AC_TRY_COMPILE([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);],
669 gas_cv_decl_getopt_unistd_h=yes, gas_cv_decl_getopt_unistd_h=no)])
670 AC_MSG_RESULT($gas_cv_decl_getopt_unistd_h)
671 if test $gas_cv_decl_getopt_unistd_h = yes; then
672 AC_DEFINE([HAVE_DECL_GETOPT], 1,
673 [Is the prototype for getopt in <unistd.h> in the expected format?])
676 GAS_CHECK_DECL_NEEDED(environ, f, char **f, $gas_test_headers)
677 GAS_CHECK_DECL_NEEDED(ffs, f, int (*f)(int), $gas_test_headers)
678 GAS_CHECK_DECL_NEEDED(free, f, void (*f)(), $gas_test_headers)
679 GAS_CHECK_DECL_NEEDED(malloc, f, char *(*f)(), $gas_test_headers)
680 GAS_CHECK_DECL_NEEDED(sbrk, f, char *(*f)(), $gas_test_headers)
681 GAS_CHECK_DECL_NEEDED(strstr, f, char *(*f)(), $gas_test_headers)
683 AC_CHECK_DECLS([vsnprintf])
685 dnl Required for html and install-html targets.
686 AC_SUBST(datarootdir)
690 dnl This must come last.
692 dnl We used to make symlinks to files in the source directory, but now
693 dnl we just use the right name for .c files, and create .h files in
694 dnl the build directory which include the right .h file. Make sure
695 dnl the old symlinks don't exist, so that a reconfigure in an existing
696 dnl directory behaves reasonably.
698 AC_CONFIG_FILES(Makefile doc/Makefile po/Makefile.in:po/Make-in)
699 AC_CONFIG_COMMANDS([default],
700 [rm -f targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c itbl-cpu.h
701 echo '#include "tc-'"${target_cpu_type}"'.h"' > targ-cpu.h
702 echo '#include "obj-'"${obj_format}"'.h"' > obj-format.h
703 echo '#include "te-'"${te_file}"'.h"' > targ-env.h
704 echo '#include "itbl-'"${target_cpu_type}"'.h"' > itbl-cpu.h
705 if test "x$cgen_cpu_prefix" != x ; then
706 echo '#include "opcodes/'"${cgen_cpu_prefix}"'-desc.h"' > cgen-desc.h
709 sed -e '/POTFILES =/r po/POTFILES' po/Makefile.in > po/Makefile],
710 [target_cpu_type=${target_cpu_type}
711 cgen_cpu_prefix=${cgen_cpu_prefix}
712 obj_format=${obj_format}