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-*-netbsd*) fmt=aout em=nbsd bfd_gas=yes;;
246 i386-*-openbsd*) fmt=aout em=nbsd bfd_gas=yes;;
247 i386-*-linux*aout* | i386-*-linux*oldld) fmt=aout em=linux ;;
248 i386-*-linux*coff*) fmt=coff em=linux ;;
249 i386-*-linux-gnu*) fmt=elf em=linux bfd_gas=yes ;;
250 x86_64-*-linux-gnu*) fmt=elf em=linux bfd_gas=yes ;;
251 i386-*-lynxos*) fmt=coff em=lynx ;;
253 i386-*-sysv[45]* | i386-*-solaris* | i386-*-elf)
254 fmt=elf bfd_gas=yes ;;
255 i386-*-freebsdaout* | i386-*-freebsd[12].* | i386-*-freebsd[12])
256 fmt=aout em=386bsd ;;
258 i386-*-coff | i386-*-sysv* | i386-*-sco3.2v5*coff | i386-*-isc*)
260 i386-*-sco3.2v5*) fmt=elf
261 if test ${this_target} = $target; then
262 AC_DEFINE(SCO_ELF, 1,
263 [Define if defaulting to ELF on SCO 5.])
266 i386-*-sco3.2*) fmt=coff ;;
267 i386-*-vsta) fmt=aout ;;
268 i386-*-msdosdjgpp* | i386-*-go32* | i386-go32-rtems*)
269 fmt=coff em=go32 bfd_gas=yes
270 AC_DEFINE(STRICTCOFF, 1, [Using strict COFF?])
272 i386-*-rtemself*) fmt=elf ;;
273 i386-*-rtems*) fmt=coff ;;
274 i386-*-gnu*) fmt=elf ;;
276 fmt=aout em=mach bfd_gas=yes ;;
277 i386-*-msdos*) fmt=aout ;;
278 i386-*-moss*) fmt=elf ;;
279 i386-*-pe) fmt=coff em=pe bfd_gas=yes ;;
280 i386-*-cygwin*) fmt=coff em=pe bfd_gas=yes ;;
281 i386-*-interix*) fmt=coff em=interix bfd_gas=yes ;;
282 i386-*-mingw32*) fmt=coff em=pe bfd_gas=yes ;;
283 i386-*-*nt*) fmt=coff em=pe bfd_gas=yes ;;
284 i386-*-vxworks*) fmt=aout ;;
285 i386-*-chaos) fmt=elf ;;
286 i860-stardent-sysv4* | i860-stardent-elf*)
287 fmt=elf bfd_gas=yes endian=little
288 AC_MSG_WARN(GAS support for ${generic_target} is preliminary and a work in progress) ;;
289 i960-*-bout) fmt=bout ;;
290 i960-*-coff) fmt=coff em=ic960 ;;
291 i960-*-rtems*) fmt=coff em=ic960 ;;
292 i960-*-nindy*) fmt=bout ;;
293 i960-*-vxworks4*) fmt=bout ;;
294 i960-*-vxworks5.0) fmt=bout ;;
295 i960-*-vxworks5.*) fmt=coff em=ic960 ;;
296 i960-*-vxworks*) fmt=bout ;;
297 i960-*-elf*) fmt=elf ;;
299 ia64-*-elf*) fmt=elf ;;
300 ia64-*-aix*) fmt=elf em=ia64aix ;;
301 ia64-*-linux-gnu*) fmt=elf em=linux ;;
302 ia64-*-hpux*) fmt=elf em=hpux ;;
304 m32r-*-*) fmt=elf bfd_gas=yes ;;
306 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)fmt=elf bfd_gas=yes ;;
308 m68k-*-vxworks* | m68k-ericsson-ose | m68k-*-sunos*)
310 m68k-motorola-sysv*) fmt=coff em=delta ;;
311 m68k-bull-sysv3*) fmt=coff em=dpx2 ;;
312 m68k-apollo-*) fmt=coff em=apollo ;;
313 m68k-*-sysv4*) # must be before -sysv*
315 m68k-*-elf*) fmt=elf ;;
316 m68k-*-coff | m68k-*-sysv* | m68k-*-rtems*)
318 m68k-*-hpux*) fmt=hp300 em=hp300 ;;
319 m68k-*-linux*aout*) fmt=aout em=linux ;;
320 m68k-*-linux-gnu*) fmt=elf em=linux ;;
321 m68k-*-gnu*) fmt=elf ;;
322 m68k-*-lynxos*) fmt=coff em=lynx ;;
323 m68k-*-netbsd*) fmt=aout em=nbsd bfd_gas=yes ;;
324 m68k-*-openbsd*) fmt=aout em=nbsd bfd_gas=yes ;;
325 m68k-apple-aux*) fmt=coff em=aux ;;
326 m68k-*-psos*) fmt=elf em=psos;;
328 m88k-motorola-sysv3*) fmt=coff em=delt88 ;;
329 m88k-*-coff*) fmt=coff ;;
331 mcore-*-elf) fmt=elf bfd_gas=yes ;;
332 mcore-*-pe) fmt=coff em=pe bfd_gas=yes ;;
334 # don't change em like *-*-bsd does
335 mips-dec-netbsd*) fmt=elf endian=little ;;
336 mips-dec-openbsd*) fmt=elf endian=little ;;
337 mips-dec-bsd*) fmt=aout endian=little ;;
338 mips-sony-bsd*) fmt=ecoff ;;
339 mips-*-bsd*) AC_MSG_ERROR(Unknown vendor for mips-bsd configuration.) ;;
340 mips-*-ultrix*) fmt=ecoff endian=little ;;
341 mips-*-osf*) fmt=ecoff endian=little ;;
342 mips-*-ecoff*) fmt=ecoff ;;
343 mips-*-pe*) fmt=coff endian=little em=pe ;;
344 mips-*-irix6*) fmt=elf ;;
345 mips-*-irix5*) fmt=elf ;;
346 mips-*-irix*) fmt=ecoff ;;
347 mips-*-lnews*) fmt=ecoff em=lnews ;;
348 mips-*-riscos*) fmt=ecoff ;;
351 AC_DEFINE(MIPS_STABS_ELF, 1,
352 [Use ELF stabs for MIPS, not ECOFF stabs])
354 mips-*-sysv4*MP* | mips-*-gnu*)
356 mips-*-sysv*) fmt=ecoff ;;
357 mips-*-elf* | mips-*-rtems* | mips-*-openbsd*)
359 mips-*-vxworks*) fmt=elf
360 AC_DEFINE(MIPS_STABS_ELF, 1,
361 [Use ELF stabs for MIPS, not ECOFF stabs])
363 mn10200-*-*) fmt=elf bfd_gas=yes ;;
364 mn10300-*-*) fmt=elf bfd_gas=yes ;;
365 openrisc-*-*) fmt=elf bfd_gas=yes ;;
367 ppc-*-pe | ppc-*-cygwin* | ppc-*-winnt*)
369 ppc-*-aix*) fmt=coff ;;
370 ppc-*-beos*) fmt=coff ;;
371 ppc-*-*bsd* | ppc-*-elf* | ppc-*-eabi* | ppc-*-sysv4*)
373 ppc-*-linux-gnu*) fmt=elf
376 *) AC_MSG_ERROR(GNU/Linux must be configured big endian) ;;
379 ppc-*-solaris*) fmt=elf
380 if test ${this_target} = $target; then
381 AC_DEFINE(TARGET_SOLARIS_COMMENT, 1,
382 [Define if default target is PowerPC Solaris.])
384 if test x${endian} = xbig; then
385 AC_MSG_ERROR(Solaris must be configured little endian)
388 ppc-*-rtems*) fmt=elf ;;
389 ppc-*-macos* | ppc-*-mpw*)
391 ppc-*-netware*) fmt=elf em=ppcnw ;;
392 ppc-*-vxworks*) fmt=elf ;;
394 s390x-*-linux-gnu*) fmt=elf em=linux ;;
395 s390-*-linux-gnu*) fmt=elf em=linux ;;
397 sh-*-linux*) fmt=elf em=linux ;;
398 sh-*-elf*) fmt=elf ;;
399 sh-*-coff*) fmt=coff bfd_gas=yes;;
400 sh-*-pe*) fmt=coff em=pe bfd_gas=yes;;
401 sh-*-rtemself*) fmt=elf ;;
402 sh-*-rtems*) fmt=coff bfd_gas=yes;;
404 ns32k-pc532-mach* | ns32k-pc532-ux*) fmt=aout em=pc532mach ;;
405 ns32k-pc532-netbsd* | ns32k-pc532-lites*) fmt=aout em=nbsd532 ;;
406 ns32k-pc532-openbsd*) fmt=aout em=nbsd532 ;;
408 sparc-*-rtemsaout*) fmt=aout ;;
409 sparc-*-rtemself*) fmt=elf ;;
410 sparc-*-rtems*) fmt=elf ;;
411 sparc-*-sunos4*) fmt=aout em=sun3 ;;
412 sparc-*-aout | sparc*-*-vxworks*)
413 fmt=aout em=sparcaout ;;
414 sparc-*-coff) fmt=coff ;;
415 sparc-*-linux*aout*) fmt=aout em=linux ;;
416 sparc-*-linux-gnu*) fmt=elf em=linux ;;
417 sparc-*-lynxos*) fmt=coff em=lynx ;;
418 sparc-fujitsu-none) fmt=aout ;;
419 sparc-*-elf | sparc-*-sysv4* | sparc-*-solaris*)
421 sparc-*-netbsd*) em=nbsd bfd_gas=yes
430 sparc-*-openbsd*) fmt=aout em=nbsd ;;
432 strongarm-*-coff) fmt=coff ;;
433 strongarm-*-elf) fmt=elf ;;
434 xscale-*-coff) fmt=coff ;;
435 xscale-*-elf) fmt=elf ;;
437 tic30-*-*aout*) fmt=aout bfd_gas=yes ;;
438 tic30-*-*coff*) fmt=coff bfd_gas=yes ;;
439 tic54x-*-* | c54x*-*-*)
440 fmt=coff bfd_gas=yes need_libm=yes;;
441 tic80-*-*) fmt=coff ;;
443 v850-*-*) fmt=elf bfd_gas=yes ;;
444 v850e-*-*) fmt=elf bfd_gas=yes ;;
445 v850ea-*-*) fmt=elf bfd_gas=yes ;;
447 vax-*-bsd* | vax-*-ultrix*)
449 vax-*-vms) fmt=vms ;;
452 z8k-*-coff | z8k-*-sim)
457 *-*-aout | *-*-scout)
459 *-*-freebsd*) fmt=elf em=freebsd bfd_gas=yes ;;
464 *-*-generic) fmt=generic ;;
465 *-*-xray | *-*-hms) fmt=coff ;;
467 *-*-elf | *-*-sysv4* | *-*-solaris*)
468 AC_MSG_WARN(GAS support for ${generic_target} is incomplete.)
470 *-*-vxworks) fmt=aout ;;
471 *-*-netware) fmt=elf ;;
474 if test ${this_target} = $target ; then
476 if test x${endian} = xbig; then
478 elif test x${endian} = xlittle; then
481 if test x${endian_def} != x; then
482 AC_DEFINE_UNQUOTED(TARGET_BYTES_BIG_ENDIAN, $endian_def,
483 [Define as 1 if big endian.])
487 case ${cpu_type}-${fmt} in
488 alpha*-*) bfd_gas=yes ;;
489 arm-*) bfd_gas=yes ;;
491 # i386-aout) bfd_gas=preferred ;;
492 ia64*-*) bfd_gas=yes ;;
493 mips-*) bfd_gas=yes ;;
494 ns32k-*) bfd_gas=yes ;;
495 pdp11-*) bfd_gas=yes ;;
496 ppc-*) bfd_gas=yes ;;
497 sparc-*) bfd_gas=yes ;;
498 strongarm-*) bfd_gas=yes ;;
499 xscale-*) bfd_gas=yes ;;
500 *-elf) bfd_gas=yes ;;
501 *-ecoff) bfd_gas=yes ;;
502 *-som) bfd_gas=yes ;;
503 #enable bfd for coff and aout to allow testing if a bfd target is
504 #the primary target, but not for coff or aout as the primary target
505 i386-coff) if test x${primary_bfd_gas} = xyes; then bfd_gas=yes; fi ;;
506 i386-aout) if test x${primary_bfd_gas} = xyes; then bfd_gas=yes; fi ;;
510 # Other random stuff.
512 # Do we need the opcodes library?
520 case "${enable_shared}" in
521 yes) shared_opcodes=true ;;
522 *opcodes*) shared_opcodes=true ;;
523 *) shared_opcodes=false ;;
525 if test "${shared_opcodes}" = "true"; then
526 # A shared libopcodes must be linked against libbfd.
532 # Any other special object files needed ?
534 fr30 | m32r | openrisc)
539 case ${extra_objects} in
541 *) extra_objects="$extra_objects m68k-parse.o" ;;
546 if test $this_target = $target ; then
547 AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
552 echo ${extra_objects} | grep -s "itbl-parse.o"
553 if test $? -ne 0 ; then
554 extra_objects="$extra_objects itbl-parse.o"
557 echo ${extra_objects} | grep -s "itbl-lex.o"
558 if test $? -ne 0 ; then
559 extra_objects="$extra_objects itbl-lex.o"
562 echo ${extra_objects} | grep -s "itbl-ops.o"
563 if test $? -ne 0 ; then
564 extra_objects="$extra_objects itbl-ops.o"
569 if test $this_target = $target ; then
570 AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
574 if test $this_target = $target ; then
575 AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
582 if test $using_cgen = yes ; then
583 case "x${extra_objects}" in
585 *) extra_objects="$extra_objects cgen.o" ;;
589 # See if we really can support this configuration with the emulation code.
591 if test $this_target = $target ; then
592 primary_bfd_gas=$bfd_gas
596 if test $bfd_gas = no ; then
597 # Can't support other configurations this way.
600 elif test $bfd_gas = no ; then
601 # Can't support this configuration.
605 # From target name and format, produce a list of supported emulations.
607 case ${generic_target}-${fmt} in
608 mips-*-irix5*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
609 mips-*-linux-gnu*-*) case "$endian" in
610 big) emulation="mipsbelf mipslelf mipself" ;;
611 *) emulation="mipslelf mipsbelf mipself" ;;
613 mips-*-lnews*-ecoff) ;;
614 mips-*-*-ecoff) case "$endian" in
615 big) emulation="mipsbecoff mipslecoff mipsecoff" ;;
616 *) emulation="mipslecoff mipsbecoff mipsecoff" ;;
618 mips-*-*-elf) case "$endian" in
619 big) emulation="mipsbelf mipslelf mipself" ;;
620 *) emulation="mipslelf mipsbelf mipself" ;;
622 mips-*-sysv4*MP*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
623 # i386-pc-pe-coff != i386-pc-coff.
625 # Uncommenting the next line will turn on support for i386 AOUT
626 # for the default linux configuration
627 # i386-*-linux*-elf) emulation="i386elf i386aout" ;;
629 i386-*-aout) emulation="i386aout" ;;
630 i386-*-coff) emulation="i386coff" ;;
631 i386-*-elf) emulation="i386elf" ;;
633 # Always all formats. The first stated emulation becomes the default.
634 cris-*-*aout*) emulation="crisaout criself" ;;
635 cris-*-*) emulation="criself crisaout" ;;
638 emulations="$emulations $emulation"
642 # Turn on all targets if possible
643 if test ${all_targets} = "yes"; then
644 case ${target_cpu_type} in
646 case ${obj_format} in
648 emulations="$emulations i386coff i386elf"
651 emulations="$emulations i386aout i386elf"
654 emulations="$emulations i386aout i386coff"
661 # Assign floating point type. Most processors with FP support
662 # IEEE FP. On those that don't support FP at all, usually IEEE
664 case ${target_cpu} in
665 vax | tahoe ) atof=${target_cpu} ;;
670 case "${obj_format}" in
671 "") AC_MSG_ERROR(GAS does not know what format to use for target ${target}) ;;
674 # Unfortunately the cpu in cpu-opc.h file isn't always $(TARGET_CPU).
676 if test $using_cgen = yes ; then
677 case ${target_cpu} in
678 *) cgen_cpu_prefix=${target_cpu} ;;
680 AC_SUBST(cgen_cpu_prefix)
681 AC_DEFINE(USING_CGEN, 1, [Using cgen code?])
685 dnl Make sure the desired support files exist.
688 if test ! -r ${srcdir}/config/tc-${target_cpu_type}.c; then
689 AC_MSG_ERROR(GAS does not support target CPU ${target_cpu_type})
692 if test ! -r ${srcdir}/config/obj-${obj_format}.c; then
693 AC_MSG_ERROR(GAS does not have support for object file format ${obj_format})
696 case ${user_bfd_gas}-${primary_bfd_gas} in
698 # We didn't override user's choice.
701 AC_MSG_WARN(Use of BFD is required for ${target}; overriding config options.)
713 # User specified nothing.
717 # Some COFF configurations want these random other flags set.
718 case ${obj_format} in
720 case ${target_cpu_type} in
721 i386) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
722 m68k) AC_DEFINE(M68KCOFF, 1, [Using m68k COFF?]) ;;
723 m88k) AC_DEFINE(M88KCOFF, 1, [Using m88k COFF?]) ;;
728 # Getting this done right is going to be a bitch. Each configuration specified
729 # with --enable-targets=... should be checked for environment, format, cpu, and
732 # For each configuration, the necessary object file support code must be linked
733 # in. This might be only one, it might be up to four. The necessary emulation
734 # code needs to be provided, too.
736 # And then there's "--enable-targets=all"....
738 # For now, just always do it for MIPS ELF or ECOFF configurations. Sigh.
740 formats="${obj_format}"
744 for em in . $emulations ; do
747 mipsbelf | mipslelf | mipself)
748 fmt=elf file=mipself ;;
749 mipsbecoff | mipslecoff | mipsecoff)
750 fmt=ecoff file=mipsecoff ;;
758 formats="$formats $fmt"
759 emfiles="$emfiles e-$file.o"
760 EMULATIONS="$EMULATIONS &$em,"
764 if test `set . $formats ; shift ; echo $#` -gt 1 ; then
765 for fmt in $formats ; do
767 aout) AC_DEFINE(OBJ_MAYBE_AOUT, 1, [a.out support?]) ;;
768 bout) AC_DEFINE(OBJ_MAYBE_BOUT, 1, [b.out support?]) ;;
769 coff) AC_DEFINE(OBJ_MAYBE_COFF, 1, [COFF support?]) ;;
770 ecoff) AC_DEFINE(OBJ_MAYBE_ECOFF, 1, [ECOFF support?]) ;;
771 elf) AC_DEFINE(OBJ_MAYBE_ELF, 1, [ELF support?]) ;;
772 generic) AC_DEFINE(OBJ_MAYBE_GENERIC, 1, [generic support?]) ;;
773 hp300) AC_DEFINE(OBJ_MAYBE_HP300, 1, [HP300 support?]) ;;
774 ieee) AC_DEFINE(OBJ_MAYBE_IEEE, 1, [IEEE support?]) ;;
775 som) AC_DEFINE(OBJ_MAYBE_SOM, 1, [SOM support?]) ;;
776 vms) AC_DEFINE(OBJ_MAYBE_VMS, 1, [VMS support?]) ;;
778 extra_objects="$extra_objects obj-$fmt.o"
782 if test `set . $emfiles ; shift ; echo $#` -gt 0 ; then
783 DEFAULT_EMULATION=`set . $emulations ; echo $2`
784 # e-mips* has more than one emulation per file, e-i386* has just one at the
785 # moment. If only one emulation is specified, then don't define
786 # USE_EMULATIONS or include any of the e-files as they will only be bloat.
787 case "${obj_format}${emfiles}" in
789 extra_objects="$extra_objects $emfiles"
790 AC_DEFINE(USE_EMULATIONS, 1, [Use emulation support?]) ;;
793 AC_SUBST(extra_objects)
794 AC_DEFINE_UNQUOTED(EMULATIONS, $EMULATIONS, [Supported emulations.])
795 AC_DEFINE_UNQUOTED(DEFAULT_EMULATION, "$DEFAULT_EMULATION",
796 [Default emulation.])
798 case ${primary_bfd_gas}-${target_cpu_type}-${obj_format} in
799 yes-*-coff) need_bfd=yes ;;
800 no-*-coff) need_bfd=yes
801 AC_DEFINE(MANY_SEGMENTS, 1, [old COFF support?]) ;;
804 reject_dev_configs=yes
806 case ${reject_dev_configs}-${dev} in
808 AC_MSG_ERROR(GAS does not support the ${generic_target} configuration.)
812 AC_SUBST(target_cpu_type)
815 AC_SUBST(install_tooldir)
817 dnl AC_SUBST(emulation)
819 case "${primary_bfd_gas}" in
820 yes) AC_DEFINE(BFD_ASSEMBLER, 1, [Use BFD interface?])
824 # do we need the opcodes library?
825 case "${need_opcodes}" in
827 OPCODES_LIB=../opcodes/libopcodes.la
831 case "${need_bfd}" in
833 BFDLIB=../bfd/libbfd.la
834 ALL_OBJ_DEPS="$ALL_OBJ_DEPS ../bfd/bfd.h"
839 AC_SUBST(OPCODES_LIB)
841 AC_SUBST(ALL_OBJ_DEPS)
843 AC_DEFINE_UNQUOTED(TARGET_ALIAS, "${target_alias}", [Target alias.])
844 AC_DEFINE_UNQUOTED(TARGET_CANONICAL, "${target}", [Canonical target.])
845 AC_DEFINE_UNQUOTED(TARGET_CPU, "${target_cpu}", [Target CPU.])
846 AC_DEFINE_UNQUOTED(TARGET_VENDOR, "${target_vendor}", [Target vendor.])
847 AC_DEFINE_UNQUOTED(TARGET_OS, "${target_os}", [Target OS.])
860 AC_CHECK_HEADERS(string.h stdlib.h memory.h strings.h unistd.h stdarg.h varargs.h errno.h sys/types.h)
862 # Put this here so that autoconf's "cross-compiling" message doesn't confuse
863 # people who are not cross-compiling but are compiling cross-assemblers.
864 AC_MSG_CHECKING(whether compiling a cross-assembler)
865 if test "${host}" = "${target}"; then
869 AC_DEFINE(CROSS_COMPILE, 1, [Compiling cross-assembler?])
871 AC_MSG_RESULT($cross_gas)
873 dnl ansidecl.h will deal with const
878 # VMS doesn't have unlink.
879 AC_CHECK_FUNCS(unlink remove, break)
881 # Some systems don't have sbrk().
884 # do we need the math library?
885 case "${need_libm}" in
892 # Some non-ANSI preprocessors botch requoting inside strings. That's bad
893 # enough, but on some of those systems, the assert macro relies on requoting
897 # On some systems, the system header files may not declare malloc, realloc,
898 # and free. There are places where gas needs these functions to have been
899 # declared -- such as when taking their addresses.
907 #ifdef HAVE_STRINGS_H
918 GAS_CHECK_DECL_NEEDED(strstr, f, char *(*f)(), $gas_test_headers)
919 GAS_CHECK_DECL_NEEDED(malloc, f, char *(*f)(), $gas_test_headers)
920 GAS_CHECK_DECL_NEEDED(free, f, void (*f)(), $gas_test_headers)
921 GAS_CHECK_DECL_NEEDED(sbrk, f, char *(*f)(), $gas_test_headers)
922 GAS_CHECK_DECL_NEEDED(environ, f, char **f, $gas_test_headers)
924 # Does errno.h declare errno, or do we have to add a separate declaration
926 GAS_CHECK_DECL_NEEDED(errno, f, int f, [
932 dnl This must come last.
934 dnl We used to make symlinks to files in the source directory, but now
935 dnl we just use the right name for .c files, and create .h files in
936 dnl the build directory which include the right .h file. Make sure
937 dnl the old symlinks don't exist, so that a reconfigure in an existing
938 dnl directory behaves reasonably.
940 AC_OUTPUT(Makefile doc/Makefile ${GDBINIT}:gdbinit.in po/Makefile.in:po/Make-in,
941 [rm -f targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c itbl-cpu.h
942 echo '#include "tc-'"${target_cpu_type}"'.h"' > targ-cpu.h
943 echo '#include "obj-'"${obj_format}"'.h"' > obj-format.h
944 echo '#include "te-'"${te_file}"'.h"' > targ-env.h
945 echo '#include "itbl-'"${target_cpu_type}"'.h"' > itbl-cpu.h
946 if test "x$cgen_cpu_prefix" != x ; then
947 echo '#include "opcodes/'"${cgen_cpu_prefix}"'-desc.h"' > cgen-desc.h
950 sed -e '/POTFILES =/r po/POTFILES' po/Makefile.in > po/Makefile],
951 [target_cpu_type=${target_cpu_type}
952 cgen_cpu_prefix=${cgen_cpu_prefix}
953 obj_format=${obj_format}