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
13 AM_INIT_AUTOMAKE(gas, 2.8.2)
18 AC_ARG_ENABLE(bfd-assembler,
19 [ --enable-bfd-assembler use BFD back end for writing object files],
20 [case "${enableval}" in
21 yes) need_bfd=yes user_bfd_gas=yes ;;
22 no) user_bfd_gas=no ;;
23 *) AC_MSG_ERROR(bad value ${enableval} given for bfd-assembler option) ;;
25 AC_ARG_ENABLE(targets,
26 [ targets alternative target configurations besides the primary],
27 [case "${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 ${enableval} for BFD commonbfdlib option]) ;;
41 # Generate a header file
42 AM_CONFIG_HEADER(config.h:config.in)
47 if test -n "$enable_targets" ; then
48 for t in `echo $enable_targets | sed 's/,/ /g'`; do
49 result=`${CONFIG_SHELL-/bin/sh} $ac_config_sub $t 2>/dev/null`
50 if test -n "$result" ; then
51 canon_targets="$canon_targets $result"
53 # # Permit "all", etc. We don't support it yet though.
54 # canon_targets="$canon_targets $t"
57 GAS_UNIQ(canon_targets)
62 for this_target in $target $canon_targets ; do
65 eval `echo $this_target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/cpu=\1 vendor=\2 os=\3/'`
68 # check for architecture variants
71 armeb) cpu_type=arm endian=big ;;
72 arm*) cpu_type=arm endian=little ;;
73 thumb*) cpu_type=arm endian=little ;;
74 hppa*) cpu_type=hppa ;;
76 i[456]86) cpu_type=i386 ;;
77 m680[012346]0) cpu_type=m68k ;;
78 m68008) cpu_type=m68k ;;
79 m683??) cpu_type=m68k ;;
82 mips*el) cpu_type=mips endian=little ;;
83 mips*5900*) cpu_type=mips endian=little ;;
84 mips*) cpu_type=mips endian=big ;;
85 powerpcle*) cpu_type=ppc endian=little ;;
86 powerpc*) cpu_type=ppc endian=big ;;
87 rs6000*) cpu_type=ppc ;;
88 sparc64) cpu_type=sparc want_sparc_v9=true ;;
89 sparc*) cpu_type=sparc ;;
93 if test ${this_target} = $target ; then
94 target_cpu_type=${cpu_type}
95 if test x${endian} = xbig; then
96 AC_DEFINE(TARGET_BYTES_BIG_ENDIAN, 1)
97 elif test x${endian} = xlittle; then
98 AC_DEFINE(TARGET_BYTES_BIG_ENDIAN, 0)
100 elif test ${target_cpu_type} != ${cpu_type} ; then
104 generic_target=${cpu_type}-$vendor-$os
109 # assign object format
110 case ${generic_target} in
111 a29k-*-coff) fmt=coff ;;
112 a29k-amd-udi) fmt=coff ;;
113 a29k-amd-ebmon) fmt=coff ;;
114 a29k-nyu-sym1) fmt=coff ;;
115 a29k-*-vxworks*) fmt=coff ;;
117 alpha-*-*vms*) fmt=evax ;;
118 alpha-*-netware*) fmt=ecoff ;;
119 alpha-*-openbsd*) fmt=ecoff ;;
120 alpha-*-osf*) fmt=ecoff ;;
121 alpha-*-linuxecoff*) fmt=ecoff ;;
122 alpha-*-linux*) fmt=elf em=linux ;;
124 arc-*-elf*) fmt=elf bfd_gas=yes ;;
126 arm-*-riscix*) fmt=aout em=riscix ;;
127 arm-*-aout) fmt=aout ;;
128 arm-*-coff | thumb-*-coff) fmt=coff ;;
129 arm-*-riscix*) fmt=aout ;;
130 arm-*-pe) fmt=coff em=pe ;;
132 d10v-*-*) fmt=elf bfd_gas=yes ;;
133 # start-sanitize-d30v
134 d30v-*-*) fmt=elf bfd_gas=yes ;;
137 hppa-*-*elf*) fmt=elf em=hppa ;;
138 hppa-*-lites*) fmt=elf em=hppa ;;
139 hppa-*-osf*) fmt=som em=hppa ;;
140 hppa-*-rtems*) fmt=elf em=hppa ;;
141 hppa-*-hpux*) fmt=som em=hppa ;;
142 hppa-*-bsd*) fmt=som em=hppa ;;
143 hppa-*-hiux*) fmt=som em=hppa ;;
145 h8300-*-coff) fmt=coff ;;
147 i386-ibm-aix*) fmt=coff em=i386aix ;;
148 i386-sequent-bsd*) fmt=aout em=dynix bfd_gas=yes ;;
149 i386-*-bsd*) fmt=aout em=386bsd ;;
150 i386-*-netbsd0.8) fmt=aout em=386bsd ;;
151 i386-*-netbsd*) fmt=aout em=nbsd bfd_gas=yes;;
152 i386-*-openbsd*) fmt=aout em=nbsd bfd_gas=yes;;
153 i386-*-linux*aout* | i386-*-linuxoldld) fmt=aout em=linux ;;
154 i386-*-linux*coff*) fmt=coff em=linux ;;
155 i386-*-linux*) fmt=elf em=linux ;;
156 i386-*-lynxos*) fmt=coff em=lynx ;;
157 i386-*-sysv4* | i386-*-solaris* | i386-*-elf | i386-*-freebsdelf*)
159 i386-*-sco*elf*) fmt=elf
160 if test ${this_target} = $target; then
164 i386-*-coff | i386-*-sysv* | i386-*-sco* | i386-*-isc*)
166 i386-*-vsta) fmt=aout ;;
167 i386-*-msdosdjgpp* | i386-*-go32*)
169 i386-*-rtems*) fmt=coff ;;
170 i386-*-gnu*) fmt=elf ;;
172 fmt=aout em=mach bfd_gas=yes ;;
173 i386-*-msdos*) fmt=aout ;;
174 i386-*-moss*) fmt=elf ;;
175 i386-*-pe) fmt=coff em=pe ;;
176 i386-*-cygwin32) fmt=coff em=pe bfd_gas=yes ;;
177 i386-*-*nt) fmt=coff em=pe ;;
178 i960-*-bout) fmt=bout ;;
179 i960-*-coff) fmt=coff em=ic960 ;;
180 i960-*-rtems*) fmt=coff em=ic960 ;;
181 i960-*-nindy*) fmt=bout ;;
182 i960-*-vxworks4*) fmt=bout ;;
183 i960-*-vxworks5.0) fmt=bout ;;
184 i960-*-vxworks5.*) fmt=coff em=ic960 ;;
185 i960-*-vxworks*) fmt=bout ;;
187 m32r-*-*) fmt=elf bfd_gas=yes ;;
189 m68k-*-vxworks* | m68k-ericsson-ose | m68k-*-sunos*)
191 m68k-motorola-sysv*) fmt=coff em=delta ;;
192 m68k-bull-sysv3*) fmt=coff em=dpx2 ;;
193 m68k-apollo-*) fmt=coff em=apollo ;;
194 m68k-*-sysv4*) # must be before -sysv*
196 m68k-*-elf*) fmt=elf ;;
197 m68k-*-coff | m68k-*-sysv* | m68k-*-rtems*)
199 m68k-*-hpux*) fmt=hp300 em=hp300 ;;
200 m68k-*-linux*aout*) fmt=aout em=linux ;;
201 m68k-*-linux*) fmt=elf em=linux ;;
202 m68k-*-lynxos*) fmt=coff em=lynx ;;
203 m68k-*-netbsd*) fmt=aout em=nbsd bfd_gas=yes ;;
204 m68k-*-openbsd*) fmt=aout em=nbsd bfd_gas=yes ;;
205 m68k-apple-aux*) fmt=coff em=aux ;;
206 m68k-*-psos*) fmt=elf em=psos;;
208 m88k-motorola-sysv3*) fmt=coff em=delt88 ;;
209 m88k-*-coff*) fmt=coff ;;
211 # don't change em like *-*-bsd does
212 mips-dec-netbsd*) fmt=elf endian=little ;;
213 mips-dec-openbsd*) fmt=elf endian=little ;;
214 mips-dec-bsd*) fmt=aout ;;
215 mips-sony-bsd*) fmt=ecoff ;;
216 mips-*-bsd*) AC_MSG_ERROR(Unknown vendor for mips-bsd configuration.) ;;
217 mips-*-ultrix*) fmt=ecoff endian=little ;;
218 mips-*-osf*) fmt=ecoff endian=little ;;
219 mips-*-ecoff*) fmt=ecoff ;;
220 mips-*-ecoff*) fmt=ecoff ;;
221 mips-*-irix6*) fmt=elf ;;
222 mips-*-irix5*) fmt=elf ;;
223 mips-*-irix*) fmt=ecoff ;;
224 mips-*-lnews*) fmt=ecoff em=lnews ;;
225 mips-*-riscos*) fmt=ecoff ;;
226 mips-*-sysv*) fmt=ecoff ;;
227 mips-*-elf* | mips-*-rtems* | mips-*-linux* | mips-*-gnu* | mips-*-openbsd*)
229 mn10200-*-*) fmt=elf bfd_gas=yes ;;
230 mn10300-*-*) fmt=elf bfd_gas=yes ;;
231 ppc-*-pe | ppc-*-cygwin32 | ppc-*-winnt*)
233 ppc-*-aix*) fmt=coff ;;
234 ppc-*-beos*) fmt=coff ;;
235 ppc-*-*bsd* | ppc-*-elf* | ppc-*-eabi* | ppc-*-sysv4*)
237 ppc-*-linux*) fmt=elf
240 *) AC_MSG_ERROR(Linux must be configured big endian) ;;
243 ppc-*-solaris*) fmt=elf
244 if test ${this_target} = $target; then
245 AC_DEFINE(TARGET_SOLARIS_COMMENT)
247 if test x${endian} = xbig; then
248 AC_MSG_ERROR(Solaris must be configured little endian)
251 ppc-*-rtems*) fmt=elf ;;
252 ppc-*-macos* | ppc-*-mpw*)
254 ppc-*-netware*) fmt=elf em=ppcnw ;;
256 sh-*-elf*) fmt=elf ;;
257 sh-*-coff*) fmt=coff ;;
259 ns32k-pc532-mach* | ns32k-pc532-ux*) fmt=aout em=pc532mach ;;
260 ns32k-pc532-netbsd* | ns32k-pc532-lites*) fmt=aout em=nbsd532 ;;
261 ns32k-pc532-openbsd*) fmt=aout em=nbsd532 ;;
263 sparc-*-rtems*) fmt=aout ;;
264 sparc-*-sunos4*) fmt=aout em=sun3 ;;
265 sparc-*-aout | sparc*-*-vxworks*)
266 fmt=aout em=sparcaout ;;
267 sparc-*-coff) fmt=coff ;;
268 sparc-*-linux*aout*) fmt=aout em=linux ;;
269 sparc-*-linux*) fmt=elf em=linux ;;
270 sparc-*-lynxos*) fmt=coff em=lynx ;;
271 sparc-fujitsu-none) fmt=aout ;;
272 sparc-*-elf | sparc-*-sysv4* | sparc-*-solaris*)
274 sparc-*-netbsd*) fmt=aout em=nbsd bfd_gas=yes ;;
275 sparc-*-openbsd*) fmt=aout em=nbsd bfd_gas=yes ;;
277 # start-sanitize-tic80
278 tic80-*-*) fmt=coff ;;
280 v850-*-*) fmt=elf bfd_gas=yes ;;
282 # start-sanitize-v850e
283 v850e-*-*) fmt=elf bfd_gas=yes ;;
285 # start-sanitize-v850eq
286 v850eq-*-*) fmt=elf bfd_gas=yes ;;
287 # end-sanitize-v850eq
288 vax-*-bsd* | vax-*-ultrix*)
290 vax-*-vms) fmt=vms ;;
292 z8k-*-coff | z8k-*-sim)
297 *-*-aout | *-*-scout)
303 *-*-generic) fmt=generic ;;
304 *-*-xray | *-*-hms) fmt=coff ;;
306 *-*-elf | *-*-sysv4* | *-*-solaris*)
307 AC_MSG_WARN(GAS support for ${generic_target} is incomplete.)
309 *-*-vxworks) fmt=aout ;;
310 *-*-netware) fmt=elf ;;
313 case ${cpu_type}-${fmt} in
314 alpha-*) bfd_gas=yes ;;
315 arm-*) bfd_gas=yes ;;
317 # i386-aout) bfd_gas=preferred ;;
318 mips-*) bfd_gas=yes ;;
319 ns32k-*) bfd_gas=yes ;;
320 ppc-*) bfd_gas=yes ;;
321 sparc-*) bfd_gas=yes ;;
322 *-elf) bfd_gas=yes ;;
323 *-ecoff) bfd_gas=yes ;;
324 *-som) bfd_gas=yes ;;
328 # Other random stuff.
330 # do we need the opcodes library?
336 if test "${shared_opcodes}" = "true"; then
337 # A shared libopcodes must be linked against libbfd.
343 test -n "$want_sparc_v9" && AC_DEFINE(SPARC_V9)
345 case ${cpu}-${vendor}-${os} in
346 sparc64-*-elf*) AC_DEFINE(SPARC_ARCH64) ;;
351 case ${extra_objects} in
353 *) extra_objects="$extra_objects cgen.o"
354 AC_DEFINE(USING_CGEN)
360 case ${extra_objects} in
362 *) extra_objects="$extra_objects m68k-parse.o" ;;
367 echo ${extra_objects} | grep -s "itbl-parse.o"
368 if test $? -ne 0 ; then
369 extra_objects="$extra_objects itbl-parse.o"
372 echo ${extra_objects} | grep -s "itbl-lex.o"
373 if test $? -ne 0 ; then
374 extra_objects="$extra_objects itbl-lex.o"
377 echo ${extra_objects} | grep -s "itbl-ops.o"
378 if test $? -ne 0 ; then
379 extra_objects="$extra_objects itbl-ops.o"
387 # See if we really can support this configuration with the emulation code.
389 if test $this_target = $target ; then
390 primary_bfd_gas=$bfd_gas
394 if test $bfd_gas = no ; then
395 # Can't support other configurations this way.
398 elif test $bfd_gas = no ; then
399 # Can't support this configuration.
403 # From target name and format, produce a list of supported emulations.
405 case ${generic_target}-${fmt} in
406 mips-*-irix5*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
407 mips-*-linux*-*) case "$endian" in
408 big) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
409 *) emulation="mipslelf mipsbelf mipself mipslecoff mipsbecoff mipsecoff" ;;
411 mips-*-lnews*-ecoff) ;;
412 mips-*-*-ecoff) case "$endian" in
413 big) emulation="mipsbecoff mipslecoff mipsecoff" ;;
414 *) emulation="mipslecoff mipsbecoff mipsecoff" ;;
416 mips-*-*-elf) case "$endian" in
417 big) emulation="mipsbelf mipslelf mipself" ;;
418 *) emulation="mipslelf mipsbelf mipself" ;;
419 # Uncommenting the next line will turn on support for i386 COFF
420 # in any i386 ELF configuration. This probably doesn't work
422 # i386-*-*-elf) emulation="i386coff i386elf" ;;
426 emulations="$emulations $emulation"
430 # Assign floating point type. Most processors with FP support
431 # IEEE FP. On those that don't support FP at all, usually IEEE
433 case ${target_cpu} in
434 vax | tahoe ) atof=${target_cpu} ;;
438 case "${obj_format}" in
439 "") AC_MSG_ERROR(GAS does not know what format to use for target ${target}) ;;
443 dnl Make sure the desired support files exist.
446 if test ! -r ${srcdir}/config/tc-${target_cpu_type}.c; then
447 AC_MSG_ERROR(GAS does not support target CPU ${target_cpu_type})
450 if test ! -r ${srcdir}/config/obj-${obj_format}.c; then
451 AC_MSG_ERROR(GAS does not have support for object file format ${obj_format})
454 case ${user_bfd_gas}-${primary_bfd_gas} in
456 # We didn't override user's choice.
459 AC_MSG_WARN(Use of BFD is required for ${target}; overriding config options.)
471 # User specified nothing.
475 # Some COFF configurations want these random other flags set.
476 case ${obj_format} in
478 case ${target_cpu_type} in
479 i386) AC_DEFINE(I386COFF) ;;
480 m68k) AC_DEFINE(M68KCOFF) ;;
481 m88k) AC_DEFINE(M88KCOFF) ;;
486 # Getting this done right is going to be a bitch. Each configuration specified
487 # with --enable-targets=... should be checked for environment, format, cpu, and
490 # For each configuration, the necessary object file support code must be linked
491 # in. This might be only one, it might be up to four. The necessary emulation
492 # code needs to be provided, too.
494 # And then there's "--enable-targets=all"....
496 # For now, just always do it for MIPS ELF or ECOFF configurations. Sigh.
498 formats="${obj_format}"
502 for em in . $emulations ; do
506 fmt=elf file=mipself ;;
507 mipsbecoff | mipslecoff)
508 fmt=ecoff file=mipsecoff ;;
510 fmt=coff file=i386coff ;;
512 fmt=elf file=i386elf ;;
514 formats="$formats $fmt"
515 emfiles="$emfiles e-$file.o"
516 EMULATIONS="$EMULATIONS &$em,"
520 if test `set . $formats ; shift ; echo $#` -gt 1 ; then
521 for fmt in $formats ; do
523 aout) AC_DEFINE(OBJ_MAYBE_AOUT) ;;
524 bout) AC_DEFINE(OBJ_MAYBE_BOUT) ;;
525 coff) AC_DEFINE(OBJ_MAYBE_COFF) ;;
526 ecoff) AC_DEFINE(OBJ_MAYBE_ECOFF) ;;
527 elf) AC_DEFINE(OBJ_MAYBE_ELF) ;;
528 generic) AC_DEFINE(OBJ_MAYBE_GENERIC) ;;
529 hp300) AC_DEFINE(OBJ_MAYBE_HP300) ;;
530 ieee) AC_DEFINE(OBJ_MAYBE_IEEE) ;;
531 som) AC_DEFINE(OBJ_MAYBE_SOM) ;;
532 vms) AC_DEFINE(OBJ_MAYBE_VMS) ;;
534 extra_objects="$extra_objects obj-$fmt.o"
538 if test `set . $emfiles ; shift ; echo $#` -gt 0 ; then
540 extra_objects="$extra_objects $emfiles"
541 DEFAULT_EMULATION=`set . $emulations ; echo $2`
542 AC_DEFINE(USE_EMULATIONS)
544 AC_SUBST(extra_objects)
545 AC_DEFINE_UNQUOTED(EMULATIONS, $EMULATIONS)
546 AC_DEFINE_UNQUOTED(DEFAULT_EMULATION, "$DEFAULT_EMULATION")
548 case ${primary_bfd_gas}-${target_cpu_type}-${obj_format} in
549 yes-*-coff) need_bfd=yes ;;
550 no-*-coff) need_bfd=yes
551 AC_DEFINE(MANY_SEGMENTS) ;;
554 reject_dev_configs=yes
556 case ${reject_dev_configs}-${dev} in
558 AC_MSG_ERROR(GAS does not support the ${generic_target} configuration.)
562 AC_SUBST(target_cpu_type)
566 dnl AC_SUBST(emulation)
568 case "${primary_bfd_gas}" in
569 yes) AC_DEFINE(BFD_ASSEMBLER)
573 # do we need the opcodes library?
574 case "${need_opcodes}" in
576 OPCODES_LIB=../opcodes/libopcodes.la
580 case "${need_bfd}" in
582 BFDLIB=../bfd/libbfd.la
583 ALL_OBJ_DEPS="$ALL_OBJ_DEPS ../bfd/bfd.h"
588 AC_SUBST(OPCODES_LIB)
590 AC_SUBST(ALL_OBJ_DEPS)
592 AC_DEFINE_UNQUOTED(TARGET_ALIAS, "${target_alias}")
593 AC_DEFINE_UNQUOTED(TARGET_CANONICAL, "${target}")
594 AC_DEFINE_UNQUOTED(TARGET_CPU, "${target_cpu}")
595 AC_DEFINE_UNQUOTED(TARGET_VENDOR, "${target_vendor}")
596 AC_DEFINE_UNQUOTED(TARGET_OS, "${target_os}")
609 AC_CHECK_HEADERS(string.h stdlib.h memory.h strings.h unistd.h stdarg.h varargs.h errno.h sys/types.h)
611 # Put this here so that autoconf's "cross-compiling" message doesn't confuse
612 # people who are not cross-compiling but are compiling cross-assemblers.
613 AC_MSG_CHECKING(whether compiling a cross-assembler)
614 if test "${host}" = "${target}"; then
618 AC_DEFINE(CROSS_COMPILE)
620 AC_MSG_RESULT($cross_gas)
622 dnl ansidecl.h will deal with const
627 # VMS doesn't have unlink.
628 AC_CHECK_FUNCS(unlink remove, break)
630 # Some systems don't have sbrk().
633 # Some non-ANSI preprocessors botch requoting inside strings. That's bad
634 # enough, but on some of those systems, the assert macro relies on requoting
638 # On some systems, the system header files may not declare malloc, realloc,
639 # and free. There are places where gas needs these functions to have been
640 # declared -- such as when taking their addresses.
648 #ifdef HAVE_STRINGS_H
659 GAS_CHECK_DECL_NEEDED(strstr, f, char *(*f)(), $gas_test_headers)
660 GAS_CHECK_DECL_NEEDED(malloc, f, char *(*f)(), $gas_test_headers)
661 GAS_CHECK_DECL_NEEDED(free, f, void (*f)(), $gas_test_headers)
662 GAS_CHECK_DECL_NEEDED(sbrk, f, char *(*f)(), $gas_test_headers)
664 # Does errno.h declare errno, or do we have to add a separate declaration
666 GAS_CHECK_DECL_NEEDED(errno, f, int f, [
672 dnl This must come last.
674 dnl We used to make symlinks to files in the source directory, but now
675 dnl we just use the right name for .c files, and create .h files in
676 dnl the build directory which include the right .h file. Make sure
677 dnl the old symlinks don't exist, so that a reconfigure in an existing
678 dnl directory behaves reasonably.
680 AC_OUTPUT(Makefile doc/Makefile .gdbinit:gdbinit.in,
681 [rm -f targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c itbl-cpu.h
682 echo '#include "tc-'"${target_cpu_type}"'.h"' > targ-cpu.h
683 echo '#include "obj-'"${obj_format}"'.h"' > obj-format.h
684 echo '#include "te-'"${te_file}"'.h"' > targ-env.h
685 echo '#include "itbl-'"${target_cpu_type}"'.h"' > itbl-cpu.h
686 case ${target_cpu_type} in
687 m32r) echo '#include "opcodes/'"${target_cpu_type}"'-opc.h"' > cgen-opc.h ;;
689 [target_cpu_type=${target_cpu_type}
690 obj_format=${obj_format}