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
15 BFD_VERSION=`sed -n -e 's/^.._INIT_AUTOMAKE.*,[ ]*\([^ ]*\)[ ]*).*/\1/p' < ${srcdir}/../bfd/configure.in`
17 AM_INIT_AUTOMAKE(gas, ${BFD_VERSION})
22 AC_ARG_ENABLE(bfd-assembler,
23 [ --enable-bfd-assembler use BFD back end for writing object files],
24 [case "${enableval}" in
25 yes) need_bfd=yes user_bfd_gas=yes ;;
26 no) user_bfd_gas=no ;;
27 *) AC_MSG_ERROR(bad value ${enableval} given for bfd-assembler option) ;;
29 AC_ARG_ENABLE(targets,
30 [ targets alternative target configurations besides the primary],
31 [case "${enableval}" in
32 yes | "") AC_ERROR(enable-targets option must specify target names or 'all')
34 no) enable_targets= ;;
35 *) enable_targets=$enableval ;;
37 AC_ARG_ENABLE(commonbfdlib,
38 [ --enable-commonbfdlib build shared BFD/opcodes/libiberty library],
39 [case "${enableval}" in
40 yes) commonbfdlib=true ;;
41 no) commonbfdlib=false ;;
42 *) AC_MSG_ERROR([bad value ${enableval} for BFD commonbfdlib option]) ;;
47 build_warnings="-W -Wall"
48 AC_ARG_ENABLE(build-warnings,
49 [ --enable-build-warnings Enable build-time compiler warnings if gcc is used],
50 [case "${enableval}" in
52 no) build_warnings="-w";;
53 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
54 build_warnings="${build_warnings} ${t}";;
55 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
56 build_warnings="${t} ${build_warnings}";;
57 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
59 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
60 echo "Setting warning flags = $build_warnings" 6>&1
63 if test "x${build_warnings}" != x -a "x$GCC" = xyes ; then
64 WARN_CFLAGS="${build_warnings}"
68 # Generate a header file
69 AM_CONFIG_HEADER(config.h:config.in)
71 # If we are on a DOS filesystem, we must use gdb.ini rather than
75 *-*-msdos* | *-*-go32* | *-*-mingw32* | *-*-cygwin* | *-*-windows*)
83 # Makefile target for installing gas in $(tooldir)/bin.
84 install_tooldir=install-exec-tooldir
88 if test -n "$enable_targets" ; then
89 for t in `echo $enable_targets | sed 's/,/ /g'`; do
90 if test $t = "all"; then
94 result=`$ac_config_sub $t 2>/dev/null`
95 if test -n "$result" ; then
96 canon_targets="$canon_targets $result"
98 # # Permit "all", etc. We don't support it yet though.
99 # canon_targets="$canon_targets $t"
102 GAS_UNIQ(canon_targets)
107 for this_target in $target $canon_targets ; do
110 eval `echo $this_target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/cpu=\1 vendor=\2 os=\3/'`
113 # check for architecture variants
117 alpha*) cpu_type=alpha ;;
118 armeb) cpu_type=arm endian=big ;;
119 arm*) cpu_type=arm endian=little ;;
120 armb*) cpu_type=arm endian=little ;;
121 armv*l) cpu_type=arm endian=little ;;
122 armv*b) cpu_type=arm endian=big ;;
123 xscale*) cpu_type=arm endian=little ;;
124 strongarm*) cpu_type=arm endian=little ;;
125 thumb*) cpu_type=arm endian=little ;;
126 hppa*) cpu_type=hppa ;;
128 i[3456]86) cpu_type=i386 arch=i386;;
129 x86_64) cpu_type=i386 arch=x86_64;;
130 ia64) cpu_type=ia64 ;;
131 m6811|m6812|m68hc12) cpu_type=m68hc11 ;;
132 m680[012346]0) cpu_type=m68k ;;
134 m68008) cpu_type=m68k ;;
135 m683??) cpu_type=m68k ;;
136 m5200) cpu_type=m68k ;;
137 m8*) cpu_type=m88k ;;
138 mips*el) cpu_type=mips endian=little ;;
139 mips*) cpu_type=mips endian=big ;;
140 pjl*) cpu_type=pj endian=little ;;
141 pj*) cpu_type=pj endian=big ;;
142 powerpcle*) cpu_type=ppc endian=little ;;
143 powerpc*) cpu_type=ppc endian=big ;;
144 rs6000*) cpu_type=ppc ;;
145 s390x*) cpu_type=s390 arch=s390x ;;
146 s390*) cpu_type=s390 arch=s390 ;;
147 sparclite*) cpu_type=sparc arch=sparclite ;;
148 sparclet*) cpu_type=sparc arch=sparclet ;;
149 sparc64*) cpu_type=sparc arch=v9-64 ;;
150 sparc86x*) cpu_type=sparc arch=sparc86x ;;
151 sparc*) cpu_type=sparc arch=sparclite ;; # ??? See tc-sparc.c.
152 v850*) cpu_type=v850 ;;
153 *) cpu_type=${cpu} ;;
156 if test ${this_target} = $target ; then
157 target_cpu_type=${cpu_type}
158 elif test ${target_cpu_type} != ${cpu_type} ; then
162 generic_target=${cpu_type}-$vendor-$os
167 # assign object format
168 case ${generic_target} in
169 a29k-*-coff) fmt=coff ;;
170 a29k-amd-udi) fmt=coff ;;
171 a29k-amd-ebmon) fmt=coff ;;
172 a29k-nyu-sym1) fmt=coff ;;
173 a29k-*-rtems*) fmt=coff ;;
174 a29k-*-vxworks*) fmt=coff ;;
176 alpha*-*-*vms*) fmt=evax ;;
177 alpha*-*-netware*) fmt=ecoff ;;
178 alpha*-*-openbsd*) fmt=ecoff ;;
179 alpha*-*-osf*) fmt=ecoff ;;
180 alpha*-*-linuxecoff*) fmt=ecoff ;;
181 alpha*-*-linux-gnu*) fmt=elf em=linux ;;
182 alpha*-*-netbsd*) fmt=elf em=nbsd ;;
184 arc-*-elf*) fmt=elf bfd_gas=yes ;;
186 arm-*-aout) fmt=aout ;;
187 arm-*-coff | thumb-*-coff) fmt=coff ;;
188 arm-*-rtems | thumb-*-rtems) fmt=elf ;;
189 arm-*-elf | thumb-*-elf) fmt=elf ;;
190 arm*-*-conix*) fmt=elf ;;
191 arm-*-linux*aout*) fmt=aout em=linux ;;
192 arm*-*-linux-gnu* | arm*-*-uclinux*)
194 arm-*-netbsd*) fmt=aout em=nbsd ;;
195 arm-*-oabi | thumb-*-oabi) fmt=elf ;;
196 arm-epoc-pe | thumb-epoc-pe) fmt=coff em=epoc-pe ;;
197 arm-*-wince) fmt=coff em=wince-pe ;;
198 arm-*-pe | thumb-*-pe) fmt=coff em=pe ;;
199 arm-*-riscix*) fmt=aout em=riscix ;;
200 arm-*-vxworks) fmt=coff ;;
202 avr-*-*) fmt=elf bfd_gas=yes ;;
204 cris-*-*) fmt=multi bfd_gas=yes ;;
206 d10v-*-*) fmt=elf bfd_gas=yes ;;
207 d30v-*-*) fmt=elf bfd_gas=yes ;;
210 fr30-*-*) fmt=elf bfd_gas=yes ;;
212 hppa-*-linux-gnu*) case ${cpu} in
214 fmt=elf em=hppalinux64;;
218 hppa-*-*elf*) fmt=elf em=hppa ;;
219 hppa-*-lites*) fmt=elf em=hppa ;;
220 hppa-*-osf*) fmt=som em=hppa ;;
221 hppa-*-rtems*) fmt=elf em=hppa ;;
222 hppa-*-hpux11*) case ${cpu} in
228 hppa-*-hpux*) fmt=som em=hppa ;;
229 hppa-*-mpeix*) fmt=som em=hppa ;;
230 hppa-*-bsd*) fmt=som em=hppa ;;
231 hppa-*-hiux*) fmt=som em=hppa ;;
233 h8300-*-rtems*) fmt=coff ;;
234 h8300-*-coff) fmt=coff ;;
235 h8500-*-rtems*) fmt=coff ;;
236 h8500-*-coff) fmt=coff ;;
238 i370-*-elf* | i370-*-linux*) fmt=elf ;;
239 i386-ibm-aix*) fmt=coff em=i386aix ;;
240 i386-sequent-bsd*) fmt=aout em=dynix bfd_gas=yes ;;
241 i386-*-beospe*) fmt=coff em=pe bfd_gas=yes ;;
242 i386-*-beoself* | i386-*-beos*) fmt=elf bfd_gas=yes ;;
243 i386-*-bsd*) fmt=aout em=386bsd ;;
244 i386-*-netbsd0.8) fmt=aout em=386bsd ;;
245 i386-*-netbsdelf*) fmt=elf em=nbsd bfd_gas=yes ;;
246 i386-*-netbsd*) fmt=aout em=nbsd bfd_gas=yes;;
247 i386-*-openbsd*) fmt=aout em=nbsd bfd_gas=yes;;
248 i386-*-linux*aout* | i386-*-linux*oldld) fmt=aout em=linux ;;
249 i386-*-linux*coff*) fmt=coff em=linux ;;
250 i386-*-linux-gnu*) fmt=elf em=linux bfd_gas=yes ;;
251 x86_64-*-linux-gnu*) fmt=elf em=linux bfd_gas=yes ;;
252 i386-*-lynxos*) fmt=coff em=lynx ;;
254 i386-*-sysv[45]* | i386-*-solaris* | i386-*-elf)
255 fmt=elf bfd_gas=yes ;;
256 i386-*-freebsdaout* | i386-*-freebsd[12].* | i386-*-freebsd[12])
257 fmt=aout em=386bsd ;;
259 i386-*-coff | i386-*-sysv* | i386-*-sco3.2v5*coff | i386-*-isc*)
261 i386-*-sco3.2v5*) fmt=elf
262 if test ${this_target} = $target; then
263 AC_DEFINE(SCO_ELF, 1,
264 [Define if defaulting to ELF on SCO 5.])
267 i386-*-sco3.2*) fmt=coff ;;
268 i386-*-vsta) fmt=aout ;;
269 i386-*-msdosdjgpp* | i386-*-go32* | i386-go32-rtems*)
270 fmt=coff em=go32 bfd_gas=yes
271 AC_DEFINE(STRICTCOFF, 1, [Using strict COFF?])
273 i386-*-rtemself*) fmt=elf ;;
274 i386-*-rtems*) fmt=coff ;;
275 i386-*-gnu*) fmt=elf ;;
277 fmt=aout em=mach bfd_gas=yes ;;
278 i386-*-msdos*) fmt=aout ;;
279 i386-*-moss*) fmt=elf ;;
280 i386-*-pe) fmt=coff em=pe bfd_gas=yes ;;
281 i386-*-cygwin*) fmt=coff em=pe bfd_gas=yes ;;
282 i386-*-interix*) fmt=coff em=interix bfd_gas=yes ;;
283 i386-*-mingw32*) fmt=coff em=pe bfd_gas=yes ;;
284 i386-*-*nt*) fmt=coff em=pe bfd_gas=yes ;;
285 i386-*-vxworks*) fmt=aout ;;
286 i386-*-chaos) fmt=elf ;;
287 i860-stardent-sysv4* | i860-stardent-elf*)
288 fmt=elf bfd_gas=yes endian=little
289 AC_MSG_WARN(GAS support for ${generic_target} is preliminary and a work in progress) ;;
290 i960-*-bout) fmt=bout ;;
291 i960-*-coff) fmt=coff em=ic960 ;;
292 i960-*-rtems*) fmt=coff em=ic960 ;;
293 i960-*-nindy*) fmt=bout ;;
294 i960-*-vxworks4*) fmt=bout ;;
295 i960-*-vxworks5.0) fmt=bout ;;
296 i960-*-vxworks5.*) fmt=coff em=ic960 ;;
297 i960-*-vxworks*) fmt=bout ;;
298 i960-*-elf*) fmt=elf ;;
300 ia64-*-elf*) fmt=elf ;;
301 ia64-*-aix*) fmt=elf em=ia64aix ;;
302 ia64-*-linux-gnu*) fmt=elf em=linux ;;
303 ia64-*-hpux*) fmt=elf em=hpux ;;
305 m32r-*-*) fmt=elf bfd_gas=yes ;;
307 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)fmt=elf bfd_gas=yes ;;
309 m68k-*-vxworks* | m68k-ericsson-ose | m68k-*-sunos*)
311 m68k-motorola-sysv*) fmt=coff em=delta ;;
312 m68k-bull-sysv3*) fmt=coff em=dpx2 ;;
313 m68k-apollo-*) fmt=coff em=apollo ;;
314 m68k-*-sysv4*) # must be before -sysv*
316 m68k-*-elf*) fmt=elf ;;
317 m68k-*-coff | m68k-*-sysv* | m68k-*-rtems*)
319 m68k-*-hpux*) fmt=hp300 em=hp300 ;;
320 m68k-*-linux*aout*) fmt=aout em=linux ;;
321 m68k-*-linux-gnu*) fmt=elf em=linux ;;
322 m68k-*-gnu*) fmt=elf ;;
323 m68k-*-lynxos*) fmt=coff em=lynx ;;
324 m68k-*-netbsd*) fmt=aout em=nbsd bfd_gas=yes ;;
325 m68k-*-openbsd*) fmt=aout em=nbsd bfd_gas=yes ;;
326 m68k-apple-aux*) fmt=coff em=aux ;;
327 m68k-*-psos*) fmt=elf em=psos;;
329 m88k-motorola-sysv3*) fmt=coff em=delt88 ;;
330 m88k-*-coff*) fmt=coff ;;
332 mcore-*-elf) fmt=elf bfd_gas=yes ;;
333 mcore-*-pe) fmt=coff em=pe bfd_gas=yes ;;
335 # don't change em like *-*-bsd does
336 mips-dec-netbsd*) fmt=elf endian=little ;;
337 mips-dec-openbsd*) fmt=elf endian=little ;;
338 mips-dec-bsd*) fmt=aout endian=little ;;
339 mips-sony-bsd*) fmt=ecoff ;;
340 mips-*-bsd*) AC_MSG_ERROR(Unknown vendor for mips-bsd configuration.) ;;
341 mips-*-ultrix*) fmt=ecoff endian=little ;;
342 mips-*-osf*) fmt=ecoff endian=little ;;
343 mips-*-ecoff*) fmt=ecoff ;;
344 mips-*-pe*) fmt=coff endian=little em=pe ;;
345 mips-*-irix6*) fmt=elf ;;
346 mips-*-irix5*) fmt=elf ;;
347 mips-*-irix*) fmt=ecoff ;;
348 mips-*-lnews*) fmt=ecoff em=lnews ;;
349 mips-*-riscos*) fmt=ecoff ;;
352 AC_DEFINE(MIPS_STABS_ELF, 1,
353 [Use ELF stabs for MIPS, not ECOFF stabs])
355 mips-*-sysv4*MP* | mips-*-gnu*)
357 mips-*-sysv*) fmt=ecoff ;;
358 mips-*-elf* | mips-*-rtems* | mips-*-openbsd*)
360 mips-*-vxworks*) fmt=elf
361 AC_DEFINE(MIPS_STABS_ELF, 1,
362 [Use ELF stabs for MIPS, not ECOFF stabs])
364 mn10200-*-*) fmt=elf bfd_gas=yes ;;
365 mn10300-*-*) fmt=elf bfd_gas=yes ;;
366 openrisc-*-*) fmt=elf bfd_gas=yes ;;
368 ppc-*-pe | ppc-*-cygwin* | ppc-*-winnt*)
370 ppc-*-aix*) fmt=coff ;;
371 ppc-*-beos*) fmt=coff ;;
372 ppc-*-*bsd* | ppc-*-elf* | ppc-*-eabi* | ppc-*-sysv4*)
374 ppc-*-linux-gnu*) fmt=elf
377 *) AC_MSG_ERROR(GNU/Linux must be configured big endian) ;;
380 ppc-*-solaris*) fmt=elf
381 if test ${this_target} = $target; then
382 AC_DEFINE(TARGET_SOLARIS_COMMENT, 1,
383 [Define if default target is PowerPC Solaris.])
385 if test x${endian} = xbig; then
386 AC_MSG_ERROR(Solaris must be configured little endian)
389 ppc-*-rtems*) fmt=elf ;;
390 ppc-*-macos* | ppc-*-mpw*)
392 ppc-*-netware*) fmt=elf em=ppcnw ;;
393 ppc-*-vxworks*) fmt=elf ;;
395 s390x-*-linux-gnu*) fmt=elf em=linux ;;
396 s390-*-linux-gnu*) fmt=elf em=linux ;;
398 sh-*-linux*) fmt=elf em=linux ;;
399 sh-*-elf*) fmt=elf ;;
400 sh-*-coff*) fmt=coff bfd_gas=yes;;
401 sh-*-pe*) fmt=coff em=pe bfd_gas=yes;;
402 sh-*-rtemself*) fmt=elf ;;
403 sh-*-rtems*) fmt=coff bfd_gas=yes;;
405 ns32k-pc532-mach* | ns32k-pc532-ux*) fmt=aout em=pc532mach ;;
406 ns32k-pc532-netbsd* | ns32k-pc532-lites*) fmt=aout em=nbsd532 ;;
407 ns32k-pc532-openbsd*) fmt=aout em=nbsd532 ;;
409 sparc-*-rtemsaout*) fmt=aout ;;
410 sparc-*-rtemself*) fmt=elf ;;
411 sparc-*-rtems*) fmt=elf ;;
412 sparc-*-sunos4*) fmt=aout em=sun3 ;;
413 sparc-*-aout | sparc*-*-vxworks*)
414 fmt=aout em=sparcaout ;;
415 sparc-*-coff) fmt=coff ;;
416 sparc-*-linux*aout*) fmt=aout em=linux ;;
417 sparc-*-linux-gnu*) fmt=elf em=linux ;;
418 sparc-*-lynxos*) fmt=coff em=lynx ;;
419 sparc-fujitsu-none) fmt=aout ;;
420 sparc-*-elf | sparc-*-sysv4* | sparc-*-solaris*)
422 sparc-*-netbsd*) em=nbsd bfd_gas=yes
431 sparc-*-openbsd*) fmt=aout em=nbsd ;;
433 strongarm-*-coff) fmt=coff ;;
434 strongarm-*-elf) fmt=elf ;;
435 xscale-*-coff) fmt=coff ;;
436 xscale-*-elf) fmt=elf ;;
438 tic30-*-*aout*) fmt=aout bfd_gas=yes ;;
439 tic30-*-*coff*) fmt=coff bfd_gas=yes ;;
440 tic54x-*-* | c54x*-*-*)
441 fmt=coff bfd_gas=yes need_libm=yes;;
442 tic80-*-*) fmt=coff ;;
444 v850-*-*) fmt=elf bfd_gas=yes ;;
445 v850e-*-*) fmt=elf bfd_gas=yes ;;
446 v850ea-*-*) fmt=elf bfd_gas=yes ;;
448 vax-*-bsd* | vax-*-ultrix*)
450 vax-*-vms) fmt=vms ;;
453 z8k-*-coff | z8k-*-sim)
458 *-*-aout | *-*-scout)
460 *-*-freebsd*) fmt=elf em=freebsd bfd_gas=yes ;;
465 *-*-generic) fmt=generic ;;
466 *-*-xray | *-*-hms) fmt=coff ;;
468 *-*-elf | *-*-sysv4* | *-*-solaris*)
469 AC_MSG_WARN(GAS support for ${generic_target} is incomplete.)
471 *-*-vxworks) fmt=aout ;;
472 *-*-netware) fmt=elf ;;
475 if test ${this_target} = $target ; then
477 if test x${endian} = xbig; then
479 elif test x${endian} = xlittle; then
482 if test x${endian_def} != x; then
483 AC_DEFINE_UNQUOTED(TARGET_BYTES_BIG_ENDIAN, $endian_def,
484 [Define as 1 if big endian.])
488 case ${cpu_type}-${fmt} in
489 alpha*-*) bfd_gas=yes ;;
490 arm-*) bfd_gas=yes ;;
492 # i386-aout) bfd_gas=preferred ;;
493 ia64*-*) bfd_gas=yes ;;
494 mips-*) bfd_gas=yes ;;
495 ns32k-*) bfd_gas=yes ;;
496 pdp11-*) bfd_gas=yes ;;
497 ppc-*) bfd_gas=yes ;;
498 sparc-*) bfd_gas=yes ;;
499 strongarm-*) bfd_gas=yes ;;
500 xscale-*) bfd_gas=yes ;;
501 *-elf) bfd_gas=yes ;;
502 *-ecoff) bfd_gas=yes ;;
503 *-som) bfd_gas=yes ;;
504 #enable bfd for coff and aout to allow testing if a bfd target is
505 #the primary target, but not for coff or aout as the primary target
506 i386-coff) if test x${primary_bfd_gas} = xyes; then bfd_gas=yes; fi ;;
507 i386-aout) if test x${primary_bfd_gas} = xyes; then bfd_gas=yes; fi ;;
511 # Other random stuff.
513 # Do we need the opcodes library?
521 case "${enable_shared}" in
522 yes) shared_opcodes=true ;;
523 *opcodes*) shared_opcodes=true ;;
524 *) shared_opcodes=false ;;
526 if test "${shared_opcodes}" = "true"; then
527 # A shared libopcodes must be linked against libbfd.
533 # Any other special object files needed ?
535 fr30 | m32r | openrisc)
540 case ${extra_objects} in
542 *) extra_objects="$extra_objects m68k-parse.o" ;;
547 if test $this_target = $target ; then
548 AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
553 echo ${extra_objects} | grep -s "itbl-parse.o"
554 if test $? -ne 0 ; then
555 extra_objects="$extra_objects itbl-parse.o"
558 echo ${extra_objects} | grep -s "itbl-lex.o"
559 if test $? -ne 0 ; then
560 extra_objects="$extra_objects itbl-lex.o"
563 echo ${extra_objects} | grep -s "itbl-ops.o"
564 if test $? -ne 0 ; then
565 extra_objects="$extra_objects itbl-ops.o"
570 if test $this_target = $target ; then
571 AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
575 if test $this_target = $target ; then
576 AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
583 if test $using_cgen = yes ; then
584 case "x${extra_objects}" in
586 *) extra_objects="$extra_objects cgen.o" ;;
590 # See if we really can support this configuration with the emulation code.
592 if test $this_target = $target ; then
593 primary_bfd_gas=$bfd_gas
597 if test $bfd_gas = no ; then
598 # Can't support other configurations this way.
601 elif test $bfd_gas = no ; then
602 # Can't support this configuration.
606 # From target name and format, produce a list of supported emulations.
608 case ${generic_target}-${fmt} in
609 mips-*-irix5*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
610 mips-*-linux-gnu*-*) case "$endian" in
611 big) emulation="mipsbelf mipslelf mipself" ;;
612 *) emulation="mipslelf mipsbelf mipself" ;;
614 mips-*-lnews*-ecoff) ;;
615 mips-*-*-ecoff) case "$endian" in
616 big) emulation="mipsbecoff mipslecoff mipsecoff" ;;
617 *) emulation="mipslecoff mipsbecoff mipsecoff" ;;
619 mips-*-*-elf) case "$endian" in
620 big) emulation="mipsbelf mipslelf mipself" ;;
621 *) emulation="mipslelf mipsbelf mipself" ;;
623 mips-*-sysv4*MP*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
624 # i386-pc-pe-coff != i386-pc-coff.
626 # Uncommenting the next line will turn on support for i386 AOUT
627 # for the default linux configuration
628 # i386-*-linux*-elf) emulation="i386elf i386aout" ;;
630 i386-*-aout) emulation="i386aout" ;;
631 i386-*-coff) emulation="i386coff" ;;
632 i386-*-elf) emulation="i386elf" ;;
634 # Always all formats. The first stated emulation becomes the default.
635 cris-*-*aout*) emulation="crisaout criself" ;;
636 cris-*-*) emulation="criself crisaout" ;;
639 emulations="$emulations $emulation"
643 # Turn on all targets if possible
644 if test ${all_targets} = "yes"; then
645 case ${target_cpu_type} in
647 case ${obj_format} in
649 emulations="$emulations i386coff i386elf"
652 emulations="$emulations i386aout i386elf"
655 emulations="$emulations i386aout i386coff"
662 # Assign floating point type. Most processors with FP support
663 # IEEE FP. On those that don't support FP at all, usually IEEE
665 case ${target_cpu} in
666 vax | tahoe ) atof=${target_cpu} ;;
671 case "${obj_format}" in
672 "") AC_MSG_ERROR(GAS does not know what format to use for target ${target}) ;;
675 # Unfortunately the cpu in cpu-opc.h file isn't always $(TARGET_CPU).
677 if test $using_cgen = yes ; then
678 case ${target_cpu} in
679 *) cgen_cpu_prefix=${target_cpu} ;;
681 AC_SUBST(cgen_cpu_prefix)
682 AC_DEFINE(USING_CGEN, 1, [Using cgen code?])
686 dnl Make sure the desired support files exist.
689 if test ! -r ${srcdir}/config/tc-${target_cpu_type}.c; then
690 AC_MSG_ERROR(GAS does not support target CPU ${target_cpu_type})
693 if test ! -r ${srcdir}/config/obj-${obj_format}.c; then
694 AC_MSG_ERROR(GAS does not have support for object file format ${obj_format})
697 case ${user_bfd_gas}-${primary_bfd_gas} in
699 # We didn't override user's choice.
702 AC_MSG_WARN(Use of BFD is required for ${target}; overriding config options.)
714 # User specified nothing.
718 # Some COFF configurations want these random other flags set.
719 case ${obj_format} in
721 case ${target_cpu_type} in
722 i386) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
723 m68k) AC_DEFINE(M68KCOFF, 1, [Using m68k COFF?]) ;;
724 m88k) AC_DEFINE(M88KCOFF, 1, [Using m88k COFF?]) ;;
729 # Getting this done right is going to be a bitch. Each configuration specified
730 # with --enable-targets=... should be checked for environment, format, cpu, and
733 # For each configuration, the necessary object file support code must be linked
734 # in. This might be only one, it might be up to four. The necessary emulation
735 # code needs to be provided, too.
737 # And then there's "--enable-targets=all"....
739 # For now, just always do it for MIPS ELF or ECOFF configurations. Sigh.
741 formats="${obj_format}"
745 for em in . $emulations ; do
748 mipsbelf | mipslelf | mipself)
749 fmt=elf file=mipself ;;
750 mipsbecoff | mipslecoff | mipsecoff)
751 fmt=ecoff file=mipsecoff ;;
759 formats="$formats $fmt"
760 emfiles="$emfiles e-$file.o"
761 EMULATIONS="$EMULATIONS &$em,"
765 if test `set . $formats ; shift ; echo $#` -gt 1 ; then
766 for fmt in $formats ; do
768 aout) AC_DEFINE(OBJ_MAYBE_AOUT, 1, [a.out support?]) ;;
769 bout) AC_DEFINE(OBJ_MAYBE_BOUT, 1, [b.out support?]) ;;
770 coff) AC_DEFINE(OBJ_MAYBE_COFF, 1, [COFF support?]) ;;
771 ecoff) AC_DEFINE(OBJ_MAYBE_ECOFF, 1, [ECOFF support?]) ;;
772 elf) AC_DEFINE(OBJ_MAYBE_ELF, 1, [ELF support?]) ;;
773 generic) AC_DEFINE(OBJ_MAYBE_GENERIC, 1, [generic support?]) ;;
774 hp300) AC_DEFINE(OBJ_MAYBE_HP300, 1, [HP300 support?]) ;;
775 ieee) AC_DEFINE(OBJ_MAYBE_IEEE, 1, [IEEE support?]) ;;
776 som) AC_DEFINE(OBJ_MAYBE_SOM, 1, [SOM support?]) ;;
777 vms) AC_DEFINE(OBJ_MAYBE_VMS, 1, [VMS support?]) ;;
779 extra_objects="$extra_objects obj-$fmt.o"
783 if test `set . $emfiles ; shift ; echo $#` -gt 0 ; then
784 DEFAULT_EMULATION=`set . $emulations ; echo $2`
785 # e-mips* has more than one emulation per file, e-i386* has just one at the
786 # moment. If only one emulation is specified, then don't define
787 # USE_EMULATIONS or include any of the e-files as they will only be bloat.
788 case "${obj_format}${emfiles}" in
790 extra_objects="$extra_objects $emfiles"
791 AC_DEFINE(USE_EMULATIONS, 1, [Use emulation support?]) ;;
794 AC_SUBST(extra_objects)
795 AC_DEFINE_UNQUOTED(EMULATIONS, $EMULATIONS, [Supported emulations.])
796 AC_DEFINE_UNQUOTED(DEFAULT_EMULATION, "$DEFAULT_EMULATION",
797 [Default emulation.])
799 case ${primary_bfd_gas}-${target_cpu_type}-${obj_format} in
800 yes-*-coff) need_bfd=yes ;;
801 no-*-coff) need_bfd=yes
802 AC_DEFINE(MANY_SEGMENTS, 1, [old COFF support?]) ;;
805 reject_dev_configs=yes
807 case ${reject_dev_configs}-${dev} in
809 AC_MSG_ERROR(GAS does not support the ${generic_target} configuration.)
813 AC_SUBST(target_cpu_type)
816 AC_SUBST(install_tooldir)
818 dnl AC_SUBST(emulation)
820 case "${primary_bfd_gas}" in
821 yes) AC_DEFINE(BFD_ASSEMBLER, 1, [Use BFD interface?])
825 # do we need the opcodes library?
826 case "${need_opcodes}" in
828 OPCODES_LIB=../opcodes/libopcodes.la
832 case "${need_bfd}" in
834 BFDLIB=../bfd/libbfd.la
835 ALL_OBJ_DEPS="$ALL_OBJ_DEPS ../bfd/bfd.h"
840 AC_SUBST(OPCODES_LIB)
842 AC_SUBST(ALL_OBJ_DEPS)
844 AC_DEFINE_UNQUOTED(TARGET_ALIAS, "${target_alias}", [Target alias.])
845 AC_DEFINE_UNQUOTED(TARGET_CANONICAL, "${target}", [Canonical target.])
846 AC_DEFINE_UNQUOTED(TARGET_CPU, "${target_cpu}", [Target CPU.])
847 AC_DEFINE_UNQUOTED(TARGET_VENDOR, "${target_vendor}", [Target vendor.])
848 AC_DEFINE_UNQUOTED(TARGET_OS, "${target_os}", [Target OS.])
861 AC_CHECK_HEADERS(string.h stdlib.h memory.h strings.h unistd.h stdarg.h varargs.h errno.h sys/types.h)
863 # Put this here so that autoconf's "cross-compiling" message doesn't confuse
864 # people who are not cross-compiling but are compiling cross-assemblers.
865 AC_MSG_CHECKING(whether compiling a cross-assembler)
866 if test "${host}" = "${target}"; then
870 AC_DEFINE(CROSS_COMPILE, 1, [Compiling cross-assembler?])
872 AC_MSG_RESULT($cross_gas)
874 dnl ansidecl.h will deal with const
879 # VMS doesn't have unlink.
880 AC_CHECK_FUNCS(unlink remove, break)
882 # Some systems don't have sbrk().
885 # do we need the math library?
886 case "${need_libm}" in
893 # Some non-ANSI preprocessors botch requoting inside strings. That's bad
894 # enough, but on some of those systems, the assert macro relies on requoting
898 # On some systems, the system header files may not declare malloc, realloc,
899 # and free. There are places where gas needs these functions to have been
900 # declared -- such as when taking their addresses.
908 #ifdef HAVE_STRINGS_H
919 GAS_CHECK_DECL_NEEDED(strstr, f, char *(*f)(), $gas_test_headers)
920 GAS_CHECK_DECL_NEEDED(malloc, f, char *(*f)(), $gas_test_headers)
921 GAS_CHECK_DECL_NEEDED(free, f, void (*f)(), $gas_test_headers)
922 GAS_CHECK_DECL_NEEDED(sbrk, f, char *(*f)(), $gas_test_headers)
923 GAS_CHECK_DECL_NEEDED(environ, f, char **f, $gas_test_headers)
925 # Does errno.h declare errno, or do we have to add a separate declaration
927 GAS_CHECK_DECL_NEEDED(errno, f, int f, [
933 dnl This must come last.
935 dnl We used to make symlinks to files in the source directory, but now
936 dnl we just use the right name for .c files, and create .h files in
937 dnl the build directory which include the right .h file. Make sure
938 dnl the old symlinks don't exist, so that a reconfigure in an existing
939 dnl directory behaves reasonably.
941 AC_OUTPUT(Makefile doc/Makefile ${GDBINIT}:gdbinit.in po/Makefile.in:po/Make-in,
942 [rm -f targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c itbl-cpu.h
943 echo '#include "tc-'"${target_cpu_type}"'.h"' > targ-cpu.h
944 echo '#include "obj-'"${obj_format}"'.h"' > obj-format.h
945 echo '#include "te-'"${te_file}"'.h"' > targ-env.h
946 echo '#include "itbl-'"${target_cpu_type}"'.h"' > itbl-cpu.h
947 if test "x$cgen_cpu_prefix" != x ; then
948 echo '#include "opcodes/'"${cgen_cpu_prefix}"'-desc.h"' > cgen-desc.h
951 sed -e '/POTFILES =/r po/POTFILES' po/Makefile.in > po/Makefile],
952 [target_cpu_type=${target_cpu_type}
953 cgen_cpu_prefix=${cgen_cpu_prefix}
954 obj_format=${obj_format}