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
72 alpha*) cpu_type=alpha ;;
73 armeb) cpu_type=arm endian=big ;;
74 arm*) cpu_type=arm endian=little ;;
75 thumb*) cpu_type=arm endian=little ;;
76 hppa*) cpu_type=hppa ;;
78 i[456]86) cpu_type=i386 ;;
79 m680[012346]0) cpu_type=m68k ;;
80 m68008) cpu_type=m68k ;;
81 m683??) cpu_type=m68k ;;
84 mips*el) cpu_type=mips endian=little ;;
85 # start-sanitize-r5900
86 mips*5900*) cpu_type=mips endian=little ;;
88 mips*) cpu_type=mips endian=big ;;
89 powerpcle*) cpu_type=ppc endian=little ;;
90 powerpc*) cpu_type=ppc endian=big ;;
91 rs6000*) cpu_type=ppc ;;
92 sparclite*) cpu_type=sparc arch=sparclite ;;
93 sparclet*) cpu_type=sparc arch=sparclet ;;
94 sparc64*) cpu_type=sparc arch=v9-64 ;;
95 sparc*) cpu_type=sparc arch=sparclite ;; # ??? See tc-sparc.c.
96 v850*) cpu_type=v850 ;;
100 if test ${this_target} = $target ; then
101 target_cpu_type=${cpu_type}
102 if test x${endian} = xbig; then
103 AC_DEFINE(TARGET_BYTES_BIG_ENDIAN, 1)
104 elif test x${endian} = xlittle; then
105 AC_DEFINE(TARGET_BYTES_BIG_ENDIAN, 0)
107 elif test ${target_cpu_type} != ${cpu_type} ; then
111 generic_target=${cpu_type}-$vendor-$os
116 # assign object format
117 case ${generic_target} in
118 a29k-*-coff) fmt=coff ;;
119 a29k-amd-udi) fmt=coff ;;
120 a29k-amd-ebmon) fmt=coff ;;
121 a29k-nyu-sym1) fmt=coff ;;
122 a29k-*-vxworks*) fmt=coff ;;
124 alpha*-*-*vms*) fmt=evax ;;
125 alpha*-*-netware*) fmt=ecoff ;;
126 alpha*-*-openbsd*) fmt=ecoff ;;
127 alpha*-*-osf*) fmt=ecoff ;;
128 alpha*-*-linuxecoff*) fmt=ecoff ;;
129 alpha*-*-linux*) fmt=elf em=linux ;;
131 arc-*-elf*) fmt=elf bfd_gas=yes ;;
133 arm-*-riscix*) fmt=aout em=riscix ;;
134 arm-*-aout) fmt=aout ;;
135 arm-*-coff | thumb-*-coff) fmt=coff ;;
136 arm-*-riscix*) fmt=aout ;;
137 arm-*-pe) fmt=coff em=pe ;;
139 d10v-*-*) fmt=elf bfd_gas=yes ;;
140 # start-sanitize-d30v
141 d30v-*-*) fmt=elf bfd_gas=yes ;;
144 hppa-*-*elf*) fmt=elf em=hppa ;;
145 hppa-*-lites*) fmt=elf em=hppa ;;
146 hppa-*-osf*) fmt=som em=hppa ;;
147 hppa-*-rtems*) fmt=elf em=hppa ;;
148 hppa-*-hpux*) fmt=som em=hppa ;;
149 hppa-*-bsd*) fmt=som em=hppa ;;
150 hppa-*-hiux*) fmt=som em=hppa ;;
152 h8300-*-coff) fmt=coff ;;
154 i386-ibm-aix*) fmt=coff em=i386aix ;;
155 i386-sequent-bsd*) fmt=aout em=dynix bfd_gas=yes ;;
156 i386-*-bsd*) fmt=aout em=386bsd ;;
157 i386-*-netbsd0.8) fmt=aout em=386bsd ;;
158 i386-*-netbsd*) fmt=aout em=nbsd bfd_gas=yes;;
159 i386-*-openbsd*) fmt=aout em=nbsd bfd_gas=yes;;
160 i386-*-linux*aout* | i386-*-linuxoldld) fmt=aout em=linux ;;
161 i386-*-linux*coff*) fmt=coff em=linux ;;
162 i386-*-linux*) fmt=elf em=linux ;;
163 i386-*-lynxos*) fmt=coff em=lynx ;;
164 i386-*-sysv4* | i386-*-solaris* | i386-*-elf)
166 i386-*-freebsdelf*) fmt=elf ;;
167 i386-*-freebsd*) fmt=aout em=386bsd ;;
168 i386-*-sco*elf*) fmt=elf
169 if test ${this_target} = $target; then
173 i386-*-coff | i386-*-sysv* | i386-*-sco* | i386-*-isc*)
175 i386-*-vsta) fmt=aout ;;
176 i386-*-msdosdjgpp* | i386-*-go32*)
178 i386-*-rtems*) fmt=coff ;;
179 i386-*-gnu*) fmt=elf ;;
181 fmt=aout em=mach bfd_gas=yes ;;
182 i386-*-msdos*) fmt=aout ;;
183 i386-*-moss*) fmt=elf ;;
184 i386-*-pe) fmt=coff em=pe ;;
185 i386-*-cygwin32) fmt=coff em=pe bfd_gas=yes ;;
186 i386-*-*nt) fmt=coff em=pe ;;
187 i960-*-bout) fmt=bout ;;
188 i960-*-coff) fmt=coff em=ic960 ;;
189 i960-*-rtems*) fmt=coff em=ic960 ;;
190 i960-*-nindy*) fmt=bout ;;
191 i960-*-vxworks4*) fmt=bout ;;
192 i960-*-vxworks5.0) fmt=bout ;;
193 i960-*-vxworks5.*) fmt=coff em=ic960 ;;
194 i960-*-vxworks*) fmt=bout ;;
196 m32r-*-*) fmt=elf bfd_gas=yes ;;
198 m68k-*-vxworks* | m68k-ericsson-ose | m68k-*-sunos*)
200 m68k-motorola-sysv*) fmt=coff em=delta ;;
201 m68k-bull-sysv3*) fmt=coff em=dpx2 ;;
202 m68k-apollo-*) fmt=coff em=apollo ;;
203 m68k-*-sysv4*) # must be before -sysv*
205 m68k-*-elf*) fmt=elf ;;
206 m68k-*-coff | m68k-*-sysv* | m68k-*-rtems*)
208 m68k-*-hpux*) fmt=hp300 em=hp300 ;;
209 m68k-*-linux*aout*) fmt=aout em=linux ;;
210 m68k-*-linux*) fmt=elf em=linux ;;
211 m68k-*-lynxos*) fmt=coff em=lynx ;;
212 m68k-*-netbsd*) fmt=aout em=nbsd bfd_gas=yes ;;
213 m68k-*-openbsd*) fmt=aout em=nbsd bfd_gas=yes ;;
214 m68k-apple-aux*) fmt=coff em=aux ;;
215 m68k-*-psos*) fmt=elf em=psos;;
217 m88k-motorola-sysv3*) fmt=coff em=delt88 ;;
218 m88k-*-coff*) fmt=coff ;;
220 # don't change em like *-*-bsd does
221 mips-dec-netbsd*) fmt=elf endian=little ;;
222 mips-dec-openbsd*) fmt=elf endian=little ;;
223 mips-dec-bsd*) fmt=aout ;;
224 mips-sony-bsd*) fmt=ecoff ;;
225 mips-*-bsd*) AC_MSG_ERROR(Unknown vendor for mips-bsd configuration.) ;;
226 mips-*-ultrix*) fmt=ecoff endian=little ;;
227 mips-*-osf*) fmt=ecoff endian=little ;;
228 mips-*-ecoff*) fmt=ecoff ;;
229 mips-*-ecoff*) fmt=ecoff ;;
230 mips-*-irix6*) fmt=elf ;;
231 mips-*-irix5*) fmt=elf ;;
232 mips-*-irix*) fmt=ecoff ;;
233 mips-*-lnews*) fmt=ecoff em=lnews ;;
234 mips-*-riscos*) fmt=ecoff ;;
235 mips-*-sysv*) fmt=ecoff ;;
236 mips-*-elf* | mips-*-rtems* | mips-*-linux* | mips-*-gnu* | mips-*-openbsd*)
238 mn10200-*-*) fmt=elf bfd_gas=yes ;;
239 mn10300-*-*) fmt=elf bfd_gas=yes ;;
240 ppc-*-pe | ppc-*-cygwin32 | ppc-*-winnt*)
242 ppc-*-aix*) fmt=coff ;;
243 ppc-*-beos*) fmt=coff ;;
244 ppc-*-*bsd* | ppc-*-elf* | ppc-*-eabi* | ppc-*-sysv4*)
246 ppc-*-linux*) fmt=elf
249 *) AC_MSG_ERROR(Linux must be configured big endian) ;;
252 ppc-*-solaris*) fmt=elf
253 if test ${this_target} = $target; then
254 AC_DEFINE(TARGET_SOLARIS_COMMENT)
256 if test x${endian} = xbig; then
257 AC_MSG_ERROR(Solaris must be configured little endian)
260 ppc-*-rtems*) fmt=elf ;;
261 ppc-*-macos* | ppc-*-mpw*)
263 ppc-*-netware*) fmt=elf em=ppcnw ;;
265 sh-*-elf*) fmt=elf ;;
266 sh-*-coff*) fmt=coff ;;
267 sh-*-rtems*) fmt=elf ;;
269 ns32k-pc532-mach* | ns32k-pc532-ux*) fmt=aout em=pc532mach ;;
270 ns32k-pc532-netbsd* | ns32k-pc532-lites*) fmt=aout em=nbsd532 ;;
271 ns32k-pc532-openbsd*) fmt=aout em=nbsd532 ;;
273 sparc-*-rtems*) fmt=aout ;;
274 sparc-*-sunos4*) fmt=aout em=sun3 ;;
275 sparc-*-aout | sparc*-*-vxworks*)
276 fmt=aout em=sparcaout ;;
277 sparc-*-coff) fmt=coff ;;
278 sparc-*-linux*aout*) fmt=aout em=linux ;;
279 sparc-*-linux*) fmt=elf em=linux ;;
280 sparc-*-lynxos*) fmt=coff em=lynx ;;
281 sparc-fujitsu-none) fmt=aout ;;
282 sparc-*-elf | sparc-*-sysv4* | sparc-*-solaris*)
284 sparc-*-netbsd*) fmt=aout em=nbsd bfd_gas=yes ;;
285 sparc-*-openbsd*) fmt=aout em=nbsd bfd_gas=yes ;;
287 # start-sanitize-tic80
288 tic80-*-*) fmt=coff ;;
290 v850-*-*) fmt=elf bfd_gas=yes ;;
292 # start-sanitize-v850e
293 v850e-*-*) fmt=elf bfd_gas=yes ;;
294 v850eq-*-*) fmt=elf bfd_gas=yes ;;
296 vax-*-bsd* | vax-*-ultrix*)
298 vax-*-vms) fmt=vms ;;
300 z8k-*-coff | z8k-*-sim)
305 *-*-aout | *-*-scout)
311 *-*-generic) fmt=generic ;;
312 *-*-xray | *-*-hms) fmt=coff ;;
314 *-*-elf | *-*-sysv4* | *-*-solaris*)
315 AC_MSG_WARN(GAS support for ${generic_target} is incomplete.)
317 *-*-vxworks) fmt=aout ;;
318 *-*-netware) fmt=elf ;;
321 case ${cpu_type}-${fmt} in
322 alpha*-*) bfd_gas=yes ;;
323 arm-*) bfd_gas=yes ;;
325 # i386-aout) bfd_gas=preferred ;;
326 mips-*) bfd_gas=yes ;;
327 ns32k-*) bfd_gas=yes ;;
328 ppc-*) bfd_gas=yes ;;
329 sparc-*) bfd_gas=yes ;;
330 *-elf) bfd_gas=yes ;;
331 *-ecoff) bfd_gas=yes ;;
332 *-som) bfd_gas=yes ;;
336 # Other random stuff.
338 # do we need the opcodes library?
344 if test "${shared_opcodes}" = "true"; then
345 # A shared libopcodes must be linked against libbfd.
353 case ${extra_objects} in
355 *) extra_objects="$extra_objects cgen.o"
356 AC_DEFINE(USING_CGEN)
362 case ${extra_objects} in
364 *) extra_objects="$extra_objects m68k-parse.o" ;;
369 echo ${extra_objects} | grep -s "itbl-parse.o"
370 if test $? -ne 0 ; then
371 extra_objects="$extra_objects itbl-parse.o"
374 echo ${extra_objects} | grep -s "itbl-lex.o"
375 if test $? -ne 0 ; then
376 extra_objects="$extra_objects itbl-lex.o"
379 echo ${extra_objects} | grep -s "itbl-ops.o"
380 if test $? -ne 0 ; then
381 extra_objects="$extra_objects itbl-ops.o"
386 if test $this_target = $target ; then
387 AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}")
395 # See if we really can support this configuration with the emulation code.
397 if test $this_target = $target ; then
398 primary_bfd_gas=$bfd_gas
402 if test $bfd_gas = no ; then
403 # Can't support other configurations this way.
406 elif test $bfd_gas = no ; then
407 # Can't support this configuration.
411 # From target name and format, produce a list of supported emulations.
413 case ${generic_target}-${fmt} in
414 mips-*-irix5*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
415 mips-*-linux*-*) case "$endian" in
416 big) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
417 *) emulation="mipslelf mipsbelf mipself mipslecoff mipsbecoff mipsecoff" ;;
419 mips-*-lnews*-ecoff) ;;
420 mips-*-*-ecoff) case "$endian" in
421 big) emulation="mipsbecoff mipslecoff mipsecoff" ;;
422 *) emulation="mipslecoff mipsbecoff mipsecoff" ;;
424 mips-*-*-elf) case "$endian" in
425 big) emulation="mipsbelf mipslelf mipself" ;;
426 *) emulation="mipslelf mipsbelf mipself" ;;
427 # Uncommenting the next line will turn on support for i386 COFF
428 # in any i386 ELF configuration. This probably doesn't work
430 # i386-*-*-elf) emulation="i386coff i386elf" ;;
434 emulations="$emulations $emulation"
438 # Assign floating point type. Most processors with FP support
439 # IEEE FP. On those that don't support FP at all, usually IEEE
441 case ${target_cpu} in
442 vax | tahoe ) atof=${target_cpu} ;;
446 case "${obj_format}" in
447 "") AC_MSG_ERROR(GAS does not know what format to use for target ${target}) ;;
451 dnl Make sure the desired support files exist.
454 if test ! -r ${srcdir}/config/tc-${target_cpu_type}.c; then
455 AC_MSG_ERROR(GAS does not support target CPU ${target_cpu_type})
458 if test ! -r ${srcdir}/config/obj-${obj_format}.c; then
459 AC_MSG_ERROR(GAS does not have support for object file format ${obj_format})
462 case ${user_bfd_gas}-${primary_bfd_gas} in
464 # We didn't override user's choice.
467 AC_MSG_WARN(Use of BFD is required for ${target}; overriding config options.)
479 # User specified nothing.
483 # Some COFF configurations want these random other flags set.
484 case ${obj_format} in
486 case ${target_cpu_type} in
487 i386) AC_DEFINE(I386COFF) ;;
488 m68k) AC_DEFINE(M68KCOFF) ;;
489 m88k) AC_DEFINE(M88KCOFF) ;;
494 # Getting this done right is going to be a bitch. Each configuration specified
495 # with --enable-targets=... should be checked for environment, format, cpu, and
498 # For each configuration, the necessary object file support code must be linked
499 # in. This might be only one, it might be up to four. The necessary emulation
500 # code needs to be provided, too.
502 # And then there's "--enable-targets=all"....
504 # For now, just always do it for MIPS ELF or ECOFF configurations. Sigh.
506 formats="${obj_format}"
510 for em in . $emulations ; do
514 fmt=elf file=mipself ;;
515 mipsbecoff | mipslecoff)
516 fmt=ecoff file=mipsecoff ;;
518 fmt=coff file=i386coff ;;
520 fmt=elf file=i386elf ;;
522 formats="$formats $fmt"
523 emfiles="$emfiles e-$file.o"
524 EMULATIONS="$EMULATIONS &$em,"
528 if test `set . $formats ; shift ; echo $#` -gt 1 ; then
529 for fmt in $formats ; do
531 aout) AC_DEFINE(OBJ_MAYBE_AOUT) ;;
532 bout) AC_DEFINE(OBJ_MAYBE_BOUT) ;;
533 coff) AC_DEFINE(OBJ_MAYBE_COFF) ;;
534 ecoff) AC_DEFINE(OBJ_MAYBE_ECOFF) ;;
535 elf) AC_DEFINE(OBJ_MAYBE_ELF) ;;
536 generic) AC_DEFINE(OBJ_MAYBE_GENERIC) ;;
537 hp300) AC_DEFINE(OBJ_MAYBE_HP300) ;;
538 ieee) AC_DEFINE(OBJ_MAYBE_IEEE) ;;
539 som) AC_DEFINE(OBJ_MAYBE_SOM) ;;
540 vms) AC_DEFINE(OBJ_MAYBE_VMS) ;;
542 extra_objects="$extra_objects obj-$fmt.o"
546 if test `set . $emfiles ; shift ; echo $#` -gt 0 ; then
548 extra_objects="$extra_objects $emfiles"
549 DEFAULT_EMULATION=`set . $emulations ; echo $2`
550 AC_DEFINE(USE_EMULATIONS)
552 AC_SUBST(extra_objects)
553 AC_DEFINE_UNQUOTED(EMULATIONS, $EMULATIONS)
554 AC_DEFINE_UNQUOTED(DEFAULT_EMULATION, "$DEFAULT_EMULATION")
556 case ${primary_bfd_gas}-${target_cpu_type}-${obj_format} in
557 yes-*-coff) need_bfd=yes ;;
558 no-*-coff) need_bfd=yes
559 AC_DEFINE(MANY_SEGMENTS) ;;
562 reject_dev_configs=yes
564 case ${reject_dev_configs}-${dev} in
566 AC_MSG_ERROR(GAS does not support the ${generic_target} configuration.)
570 AC_SUBST(target_cpu_type)
574 dnl AC_SUBST(emulation)
576 case "${primary_bfd_gas}" in
577 yes) AC_DEFINE(BFD_ASSEMBLER)
581 # do we need the opcodes library?
582 case "${need_opcodes}" in
584 OPCODES_LIB=../opcodes/libopcodes.la
588 case "${need_bfd}" in
590 BFDLIB=../bfd/libbfd.la
591 ALL_OBJ_DEPS="$ALL_OBJ_DEPS ../bfd/bfd.h"
596 AC_SUBST(OPCODES_LIB)
598 AC_SUBST(ALL_OBJ_DEPS)
600 AC_DEFINE_UNQUOTED(TARGET_ALIAS, "${target_alias}")
601 AC_DEFINE_UNQUOTED(TARGET_CANONICAL, "${target}")
602 AC_DEFINE_UNQUOTED(TARGET_CPU, "${target_cpu}")
603 AC_DEFINE_UNQUOTED(TARGET_VENDOR, "${target_vendor}")
604 AC_DEFINE_UNQUOTED(TARGET_OS, "${target_os}")
616 AC_CHECK_HEADERS(string.h stdlib.h memory.h strings.h unistd.h stdarg.h varargs.h errno.h sys/types.h)
618 # Put this here so that autoconf's "cross-compiling" message doesn't confuse
619 # people who are not cross-compiling but are compiling cross-assemblers.
620 AC_MSG_CHECKING(whether compiling a cross-assembler)
621 if test "${host}" = "${target}"; then
625 AC_DEFINE(CROSS_COMPILE)
627 AC_MSG_RESULT($cross_gas)
629 dnl ansidecl.h will deal with const
634 # VMS doesn't have unlink.
635 AC_CHECK_FUNCS(unlink remove, break)
637 # Some systems don't have sbrk().
640 # Some non-ANSI preprocessors botch requoting inside strings. That's bad
641 # enough, but on some of those systems, the assert macro relies on requoting
645 # On some systems, the system header files may not declare malloc, realloc,
646 # and free. There are places where gas needs these functions to have been
647 # declared -- such as when taking their addresses.
655 #ifdef HAVE_STRINGS_H
666 GAS_CHECK_DECL_NEEDED(strstr, f, char *(*f)(), $gas_test_headers)
667 GAS_CHECK_DECL_NEEDED(malloc, f, char *(*f)(), $gas_test_headers)
668 GAS_CHECK_DECL_NEEDED(free, f, void (*f)(), $gas_test_headers)
669 GAS_CHECK_DECL_NEEDED(sbrk, f, char *(*f)(), $gas_test_headers)
671 # Does errno.h declare errno, or do we have to add a separate declaration
673 GAS_CHECK_DECL_NEEDED(errno, f, int f, [
679 dnl This must come last.
681 dnl We used to make symlinks to files in the source directory, but now
682 dnl we just use the right name for .c files, and create .h files in
683 dnl the build directory which include the right .h file. Make sure
684 dnl the old symlinks don't exist, so that a reconfigure in an existing
685 dnl directory behaves reasonably.
687 AC_OUTPUT(Makefile doc/Makefile .gdbinit:gdbinit.in,
688 [rm -f targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c itbl-cpu.h
689 echo '#include "tc-'"${target_cpu_type}"'.h"' > targ-cpu.h
690 echo '#include "obj-'"${obj_format}"'.h"' > obj-format.h
691 echo '#include "te-'"${te_file}"'.h"' > targ-env.h
692 echo '#include "itbl-'"${target_cpu_type}"'.h"' > itbl-cpu.h
693 case ${target_cpu_type} in
694 m32r) echo '#include "opcodes/'"${target_cpu_type}"'-opc.h"' > cgen-opc.h ;;
696 [target_cpu_type=${target_cpu_type}
697 obj_format=${obj_format}