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* | i386-go32-rtems*)
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 ;;
292 txvu-*-*) fmt=elf bfd_gas=yes ;;
295 v850-*-*) fmt=elf bfd_gas=yes ;;
297 # start-sanitize-v850e
298 v850e-*-*) fmt=elf bfd_gas=yes ;;
299 v850ea-*-*) fmt=elf bfd_gas=yes ;;
301 vax-*-bsd* | vax-*-ultrix*)
303 vax-*-vms) fmt=vms ;;
305 z8k-*-coff | z8k-*-sim)
310 *-*-aout | *-*-scout)
316 *-*-generic) fmt=generic ;;
317 *-*-xray | *-*-hms) fmt=coff ;;
319 *-*-elf | *-*-sysv4* | *-*-solaris*)
320 AC_MSG_WARN(GAS support for ${generic_target} is incomplete.)
322 *-*-vxworks) fmt=aout ;;
323 *-*-netware) fmt=elf ;;
326 case ${cpu_type}-${fmt} in
327 alpha*-*) bfd_gas=yes ;;
328 arm-*) bfd_gas=yes ;;
330 # i386-aout) bfd_gas=preferred ;;
331 mips-*) bfd_gas=yes ;;
332 ns32k-*) bfd_gas=yes ;;
333 ppc-*) bfd_gas=yes ;;
334 sparc-*) bfd_gas=yes ;;
335 *-elf) bfd_gas=yes ;;
336 *-ecoff) bfd_gas=yes ;;
337 *-som) bfd_gas=yes ;;
341 # Other random stuff.
343 # do we need the opcodes library?
349 if test "${shared_opcodes}" = "true"; then
350 # A shared libopcodes must be linked against libbfd.
358 case ${extra_objects} in
360 *) extra_objects="$extra_objects cgen.o"
361 AC_DEFINE(USING_CGEN)
367 case ${extra_objects} in
369 *) extra_objects="$extra_objects m68k-parse.o" ;;
374 echo ${extra_objects} | grep -s "itbl-parse.o"
375 if test $? -ne 0 ; then
376 extra_objects="$extra_objects itbl-parse.o"
379 echo ${extra_objects} | grep -s "itbl-lex.o"
380 if test $? -ne 0 ; then
381 extra_objects="$extra_objects itbl-lex.o"
384 echo ${extra_objects} | grep -s "itbl-ops.o"
385 if test $? -ne 0 ; then
386 extra_objects="$extra_objects itbl-ops.o"
391 if test $this_target = $target ; then
392 AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}")
400 # See if we really can support this configuration with the emulation code.
402 if test $this_target = $target ; then
403 primary_bfd_gas=$bfd_gas
407 if test $bfd_gas = no ; then
408 # Can't support other configurations this way.
411 elif test $bfd_gas = no ; then
412 # Can't support this configuration.
416 # From target name and format, produce a list of supported emulations.
418 case ${generic_target}-${fmt} in
419 mips-*-irix5*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
420 mips-*-linux*-*) case "$endian" in
421 big) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
422 *) emulation="mipslelf mipsbelf mipself mipslecoff mipsbecoff mipsecoff" ;;
424 mips-*-lnews*-ecoff) ;;
425 mips-*-*-ecoff) case "$endian" in
426 big) emulation="mipsbecoff mipslecoff mipsecoff" ;;
427 *) emulation="mipslecoff mipsbecoff mipsecoff" ;;
429 mips-*-*-elf) case "$endian" in
430 big) emulation="mipsbelf mipslelf mipself" ;;
431 *) emulation="mipslelf mipsbelf mipself" ;;
432 # Uncommenting the next line will turn on support for i386 COFF
433 # in any i386 ELF configuration. This probably doesn't work
435 # i386-*-*-elf) emulation="i386coff i386elf" ;;
439 emulations="$emulations $emulation"
443 # Assign floating point type. Most processors with FP support
444 # IEEE FP. On those that don't support FP at all, usually IEEE
446 case ${target_cpu} in
447 vax | tahoe ) atof=${target_cpu} ;;
451 case "${obj_format}" in
452 "") AC_MSG_ERROR(GAS does not know what format to use for target ${target}) ;;
456 dnl Make sure the desired support files exist.
459 if test ! -r ${srcdir}/config/tc-${target_cpu_type}.c; then
460 AC_MSG_ERROR(GAS does not support target CPU ${target_cpu_type})
463 if test ! -r ${srcdir}/config/obj-${obj_format}.c; then
464 AC_MSG_ERROR(GAS does not have support for object file format ${obj_format})
467 case ${user_bfd_gas}-${primary_bfd_gas} in
469 # We didn't override user's choice.
472 AC_MSG_WARN(Use of BFD is required for ${target}; overriding config options.)
484 # User specified nothing.
488 # Some COFF configurations want these random other flags set.
489 case ${obj_format} in
491 case ${target_cpu_type} in
492 i386) AC_DEFINE(I386COFF) ;;
493 m68k) AC_DEFINE(M68KCOFF) ;;
494 m88k) AC_DEFINE(M88KCOFF) ;;
499 # Getting this done right is going to be a bitch. Each configuration specified
500 # with --enable-targets=... should be checked for environment, format, cpu, and
503 # For each configuration, the necessary object file support code must be linked
504 # in. This might be only one, it might be up to four. The necessary emulation
505 # code needs to be provided, too.
507 # And then there's "--enable-targets=all"....
509 # For now, just always do it for MIPS ELF or ECOFF configurations. Sigh.
511 formats="${obj_format}"
515 for em in . $emulations ; do
519 fmt=elf file=mipself ;;
520 mipsbecoff | mipslecoff)
521 fmt=ecoff file=mipsecoff ;;
523 fmt=coff file=i386coff ;;
525 fmt=elf file=i386elf ;;
527 formats="$formats $fmt"
528 emfiles="$emfiles e-$file.o"
529 EMULATIONS="$EMULATIONS &$em,"
533 if test `set . $formats ; shift ; echo $#` -gt 1 ; then
534 for fmt in $formats ; do
536 aout) AC_DEFINE(OBJ_MAYBE_AOUT) ;;
537 bout) AC_DEFINE(OBJ_MAYBE_BOUT) ;;
538 coff) AC_DEFINE(OBJ_MAYBE_COFF) ;;
539 ecoff) AC_DEFINE(OBJ_MAYBE_ECOFF) ;;
540 elf) AC_DEFINE(OBJ_MAYBE_ELF) ;;
541 generic) AC_DEFINE(OBJ_MAYBE_GENERIC) ;;
542 hp300) AC_DEFINE(OBJ_MAYBE_HP300) ;;
543 ieee) AC_DEFINE(OBJ_MAYBE_IEEE) ;;
544 som) AC_DEFINE(OBJ_MAYBE_SOM) ;;
545 vms) AC_DEFINE(OBJ_MAYBE_VMS) ;;
547 extra_objects="$extra_objects obj-$fmt.o"
551 if test `set . $emfiles ; shift ; echo $#` -gt 0 ; then
553 extra_objects="$extra_objects $emfiles"
554 DEFAULT_EMULATION=`set . $emulations ; echo $2`
555 AC_DEFINE(USE_EMULATIONS)
557 AC_SUBST(extra_objects)
558 AC_DEFINE_UNQUOTED(EMULATIONS, $EMULATIONS)
559 AC_DEFINE_UNQUOTED(DEFAULT_EMULATION, "$DEFAULT_EMULATION")
561 case ${primary_bfd_gas}-${target_cpu_type}-${obj_format} in
562 yes-*-coff) need_bfd=yes ;;
563 no-*-coff) need_bfd=yes
564 AC_DEFINE(MANY_SEGMENTS) ;;
567 reject_dev_configs=yes
569 case ${reject_dev_configs}-${dev} in
571 AC_MSG_ERROR(GAS does not support the ${generic_target} configuration.)
575 AC_SUBST(target_cpu_type)
579 dnl AC_SUBST(emulation)
581 case "${primary_bfd_gas}" in
582 yes) AC_DEFINE(BFD_ASSEMBLER)
586 # do we need the opcodes library?
587 case "${need_opcodes}" in
589 OPCODES_LIB=../opcodes/libopcodes.la
593 case "${need_bfd}" in
595 BFDLIB=../bfd/libbfd.la
596 ALL_OBJ_DEPS="$ALL_OBJ_DEPS ../bfd/bfd.h"
601 AC_SUBST(OPCODES_LIB)
603 AC_SUBST(ALL_OBJ_DEPS)
605 AC_DEFINE_UNQUOTED(TARGET_ALIAS, "${target_alias}")
606 AC_DEFINE_UNQUOTED(TARGET_CANONICAL, "${target}")
607 AC_DEFINE_UNQUOTED(TARGET_CPU, "${target_cpu}")
608 AC_DEFINE_UNQUOTED(TARGET_VENDOR, "${target_vendor}")
609 AC_DEFINE_UNQUOTED(TARGET_OS, "${target_os}")
621 AC_CHECK_HEADERS(string.h stdlib.h memory.h strings.h unistd.h stdarg.h varargs.h errno.h sys/types.h)
623 # Put this here so that autoconf's "cross-compiling" message doesn't confuse
624 # people who are not cross-compiling but are compiling cross-assemblers.
625 AC_MSG_CHECKING(whether compiling a cross-assembler)
626 if test "${host}" = "${target}"; then
630 AC_DEFINE(CROSS_COMPILE)
632 AC_MSG_RESULT($cross_gas)
634 dnl ansidecl.h will deal with const
639 # VMS doesn't have unlink.
640 AC_CHECK_FUNCS(unlink remove, break)
642 # Some systems don't have sbrk().
645 # Some non-ANSI preprocessors botch requoting inside strings. That's bad
646 # enough, but on some of those systems, the assert macro relies on requoting
650 # On some systems, the system header files may not declare malloc, realloc,
651 # and free. There are places where gas needs these functions to have been
652 # declared -- such as when taking their addresses.
660 #ifdef HAVE_STRINGS_H
671 GAS_CHECK_DECL_NEEDED(strstr, f, char *(*f)(), $gas_test_headers)
672 GAS_CHECK_DECL_NEEDED(malloc, f, char *(*f)(), $gas_test_headers)
673 GAS_CHECK_DECL_NEEDED(free, f, void (*f)(), $gas_test_headers)
674 GAS_CHECK_DECL_NEEDED(sbrk, f, char *(*f)(), $gas_test_headers)
676 # Does errno.h declare errno, or do we have to add a separate declaration
678 GAS_CHECK_DECL_NEEDED(errno, f, int f, [
684 dnl This must come last.
686 dnl We used to make symlinks to files in the source directory, but now
687 dnl we just use the right name for .c files, and create .h files in
688 dnl the build directory which include the right .h file. Make sure
689 dnl the old symlinks don't exist, so that a reconfigure in an existing
690 dnl directory behaves reasonably.
692 AC_OUTPUT(Makefile doc/Makefile .gdbinit:gdbinit.in,
693 [rm -f targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c itbl-cpu.h
694 echo '#include "tc-'"${target_cpu_type}"'.h"' > targ-cpu.h
695 echo '#include "obj-'"${obj_format}"'.h"' > obj-format.h
696 echo '#include "te-'"${te_file}"'.h"' > targ-env.h
697 echo '#include "itbl-'"${target_cpu_type}"'.h"' > itbl-cpu.h
698 case ${target_cpu_type} in
699 m32r) echo '#include "opcodes/'"${target_cpu_type}"'-opc.h"' > cgen-opc.h ;;
701 [target_cpu_type=${target_cpu_type}
702 obj_format=${obj_format}