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
14 AM_INIT_AUTOMAKE(gas, 2.10.91)
19 AC_ARG_ENABLE(bfd-assembler,
20 [ --enable-bfd-assembler use BFD back end for writing object files],
21 [case "${enableval}" in
22 yes) need_bfd=yes user_bfd_gas=yes ;;
23 no) user_bfd_gas=no ;;
24 *) AC_MSG_ERROR(bad value ${enableval} given for bfd-assembler option) ;;
26 AC_ARG_ENABLE(targets,
27 [ targets alternative target configurations besides the primary],
28 [case "${enableval}" in
29 yes | "") AC_ERROR(enable-targets option must specify target names or 'all')
31 no) enable_targets= ;;
32 *) enable_targets=$enableval ;;
34 AC_ARG_ENABLE(commonbfdlib,
35 [ --enable-commonbfdlib build shared BFD/opcodes/libiberty library],
36 [case "${enableval}" in
37 yes) commonbfdlib=true ;;
38 no) commonbfdlib=false ;;
39 *) AC_MSG_ERROR([bad value ${enableval} for BFD commonbfdlib option]) ;;
44 build_warnings="-W -Wall"
45 AC_ARG_ENABLE(build-warnings,
46 [ --enable-build-warnings Enable build-time compiler warnings if gcc is used],
47 [case "${enableval}" in
49 no) build_warnings="-w";;
50 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
51 build_warnings="${build_warnings} ${t}";;
52 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
53 build_warnings="${t} ${build_warnings}";;
54 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
56 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
57 echo "Setting warning flags = $build_warnings" 6>&1
60 if test "x${build_warnings}" != x -a "x$GCC" = xyes ; then
61 WARN_CFLAGS="${build_warnings}"
65 # Generate a header file
66 AM_CONFIG_HEADER(config.h:config.in)
68 # If we are on a DOS filesystem, we must use gdb.ini rather than
72 *-*-msdos* | *-*-go32* | *-*-mingw32* | *-*-cygwin* | *-*-windows*)
80 # Makefile target for installing gas in $(tooldir)/bin.
81 install_tooldir=install-exec-tooldir
85 if test -n "$enable_targets" ; then
86 for t in `echo $enable_targets | sed 's/,/ /g'`; do
87 if test $t = "all"; then
91 result=`$ac_config_sub $t 2>/dev/null`
92 if test -n "$result" ; then
93 canon_targets="$canon_targets $result"
95 # # Permit "all", etc. We don't support it yet though.
96 # canon_targets="$canon_targets $t"
99 GAS_UNIQ(canon_targets)
104 for this_target in $target $canon_targets ; do
107 eval `echo $this_target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/cpu=\1 vendor=\2 os=\3/'`
110 # check for architecture variants
114 alpha*) cpu_type=alpha ;;
115 armeb) cpu_type=arm endian=big ;;
116 arm*) cpu_type=arm endian=little ;;
117 armb*) cpu_type=arm endian=little ;;
118 armv*l) cpu_type=arm endian=little ;;
119 armv*b) cpu_type=arm endian=big ;;
120 xscale*) cpu_type=arm endian=little ;;
121 strongarm*) cpu_type=arm endian=little ;;
122 thumb*) cpu_type=arm endian=little ;;
123 hppa*) cpu_type=hppa ;;
125 i[3456]86) cpu_type=i386 arch=i386;;
126 x86_64) cpu_type=i386 arch=x86_64;;
127 ia64) cpu_type=ia64 ;;
128 m6811|m6812|m68hc12) cpu_type=m68hc11 ;;
129 m680[012346]0) cpu_type=m68k ;;
131 m68008) cpu_type=m68k ;;
132 m683??) cpu_type=m68k ;;
133 m5200) cpu_type=m68k ;;
134 m8*) cpu_type=m88k ;;
135 mips*el) cpu_type=mips endian=little ;;
136 mips*) cpu_type=mips endian=big ;;
137 pjl*) cpu_type=pj endian=little ;;
138 pj*) cpu_type=pj endian=big ;;
139 powerpcle*) cpu_type=ppc endian=little ;;
140 powerpc*) cpu_type=ppc endian=big ;;
141 rs6000*) cpu_type=ppc ;;
142 s390x*) cpu_type=s390 arch=s390x ;;
143 s390*) cpu_type=s390 arch=s390 ;;
144 sparclite*) cpu_type=sparc arch=sparclite ;;
145 sparclet*) cpu_type=sparc arch=sparclet ;;
146 sparc64*) cpu_type=sparc arch=v9-64 ;;
147 sparc86x*) cpu_type=sparc arch=sparc86x ;;
148 sparc*) cpu_type=sparc arch=sparclite ;; # ??? See tc-sparc.c.
149 v850*) cpu_type=v850 ;;
150 *) cpu_type=${cpu} ;;
153 if test ${this_target} = $target ; then
154 target_cpu_type=${cpu_type}
155 elif test ${target_cpu_type} != ${cpu_type} ; then
159 generic_target=${cpu_type}-$vendor-$os
164 # assign object format
165 case ${generic_target} in
166 a29k-*-coff) fmt=coff ;;
167 a29k-amd-udi) fmt=coff ;;
168 a29k-amd-ebmon) fmt=coff ;;
169 a29k-nyu-sym1) fmt=coff ;;
170 a29k-*-rtems*) fmt=coff ;;
171 a29k-*-vxworks*) fmt=coff ;;
173 alpha*-*-*vms*) fmt=evax ;;
174 alpha*-*-netware*) fmt=ecoff ;;
175 alpha*-*-openbsd*) fmt=ecoff ;;
176 alpha*-*-osf*) fmt=ecoff ;;
177 alpha*-*-linuxecoff*) fmt=ecoff ;;
178 alpha*-*-linux-gnu*) fmt=elf em=linux ;;
179 alpha*-*-netbsd*) fmt=elf em=nbsd ;;
181 arc-*-elf*) fmt=elf bfd_gas=yes ;;
183 arm-*-aout) fmt=aout ;;
184 arm-*-coff | thumb-*-coff) fmt=coff ;;
185 arm-*-rtems | thumb-*-rtems) fmt=elf ;;
186 arm-*-elf | thumb-*-elf) fmt=elf ;;
187 arm*-*-conix*) fmt=elf ;;
188 arm-*-linux*aout*) fmt=aout em=linux ;;
189 arm*-*-linux-gnu* | arm*-*-uclinux*)
191 arm-*-netbsd*) fmt=aout em=nbsd ;;
192 arm-*-oabi | thumb-*-oabi) fmt=elf ;;
193 arm-epoc-pe | thumb-epoc-pe) fmt=coff em=epoc-pe ;;
194 arm-*-wince) fmt=coff em=wince-pe ;;
195 arm-*-pe | thumb-*-pe) fmt=coff em=pe ;;
196 arm-*-riscix*) fmt=aout em=riscix ;;
198 avr-*-*) fmt=elf bfd_gas=yes ;;
200 cris-*-*) fmt=multi bfd_gas=yes ;;
202 d10v-*-*) fmt=elf bfd_gas=yes ;;
203 d30v-*-*) fmt=elf bfd_gas=yes ;;
206 fr30-*-*) fmt=elf bfd_gas=yes ;;
208 hppa-*-linux-gnu*) case ${cpu} in
210 fmt=elf em=hppalinux64;;
214 hppa-*-*elf*) fmt=elf em=hppa ;;
215 hppa-*-lites*) fmt=elf em=hppa ;;
216 hppa-*-osf*) fmt=som em=hppa ;;
217 hppa-*-rtems*) fmt=elf em=hppa ;;
218 hppa-*-hpux11*) case ${cpu} in
224 hppa-*-hpux*) fmt=som em=hppa ;;
225 hppa-*-mpeix*) fmt=som em=hppa ;;
226 hppa-*-bsd*) fmt=som em=hppa ;;
227 hppa-*-hiux*) fmt=som em=hppa ;;
229 h8300-*-rtems*) fmt=coff ;;
230 h8300-*-coff) fmt=coff ;;
232 i370-*-elf* | i370-*-linux*) fmt=elf ;;
233 i386-ibm-aix*) fmt=coff em=i386aix ;;
234 i386-sequent-bsd*) fmt=aout em=dynix bfd_gas=yes ;;
235 i386-*-beospe*) fmt=coff em=pe bfd_gas=yes ;;
236 i386-*-beoself* | i386-*-beos*) fmt=elf bfd_gas=yes ;;
237 i386-*-bsd*) fmt=aout em=386bsd ;;
238 i386-*-netbsd0.8) fmt=aout em=386bsd ;;
239 i386-*-netbsd*) fmt=aout em=nbsd bfd_gas=yes;;
240 i386-*-openbsd*) fmt=aout em=nbsd bfd_gas=yes;;
241 i386-*-linux*aout* | i386-*-linuxoldld) fmt=aout em=linux ;;
242 i386-*-linux*coff*) fmt=coff em=linux ;;
243 i386-*-linux-gnu*) fmt=elf em=linux bfd_gas=yes ;;
244 x86_64-*-linux-gnu*) fmt=elf em=linux bfd_gas=yes ;;
245 i386-*-lynxos*) fmt=coff em=lynx ;;
247 i386-*-sysv[45]* | i386-*-solaris* | i386-*-elf)
248 fmt=elf bfd_gas=yes ;;
249 i386-*-freebsdaout* | i386-*-freebsd[12].* | i386-*-freebsd[12])
250 fmt=aout em=386bsd ;;
252 i386-*-coff | i386-*-sysv* | i386-*-sco3.2v5*coff | i386-*-isc*)
254 i386-*-sco3.2v5*) fmt=elf
255 if test ${this_target} = $target; then
256 AC_DEFINE(SCO_ELF, 1,
257 [Define if defaulting to ELF on SCO 5.])
260 i386-*-sco3.2*) fmt=coff ;;
261 i386-*-vsta) fmt=aout ;;
262 i386-*-msdosdjgpp* | i386-*-go32* | i386-go32-rtems*)
263 fmt=coff em=go32 bfd_gas=yes
264 AC_DEFINE(STRICTCOFF, 1, [Using strict COFF?])
266 i386-*-rtemself*) fmt=elf ;;
267 i386-*-rtems*) fmt=coff ;;
268 i386-*-gnu*) fmt=elf ;;
270 fmt=aout em=mach bfd_gas=yes ;;
271 i386-*-msdos*) fmt=aout ;;
272 i386-*-moss*) fmt=elf ;;
273 i386-*-pe) fmt=coff em=pe bfd_gas=yes ;;
274 i386-*-cygwin*) fmt=coff em=pe bfd_gas=yes ;;
275 i386-*-interix*) fmt=coff em=interix bfd_gas=yes ;;
276 i386-*-mingw32*) fmt=coff em=pe bfd_gas=yes ;;
277 i386-*-*nt*) fmt=coff em=pe bfd_gas=yes ;;
278 i386-*-vxworks*) fmt=aout ;;
279 i386-*-chaos) fmt=elf ;;
280 i860-stardent-sysv4* | i860-stardent-elf*)
281 fmt=elf bfd_gas=yes endian=little
282 AC_MSG_WARN(GAS support for ${generic_target} is preliminary and a work in progress) ;;
283 i960-*-bout) fmt=bout ;;
284 i960-*-coff) fmt=coff em=ic960 ;;
285 i960-*-rtems*) fmt=coff em=ic960 ;;
286 i960-*-nindy*) fmt=bout ;;
287 i960-*-vxworks4*) fmt=bout ;;
288 i960-*-vxworks5.0) fmt=bout ;;
289 i960-*-vxworks5.*) fmt=coff em=ic960 ;;
290 i960-*-vxworks*) fmt=bout ;;
291 i960-*-elf*) fmt=elf ;;
293 ia64-*-elf*) fmt=elf ;;
294 ia64-*-linux-gnu*) fmt=elf em=linux ;;
295 ia64-*-hpux*) fmt=elf em=hpux ;;
297 m32r-*-*) fmt=elf bfd_gas=yes ;;
299 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)fmt=elf bfd_gas=yes ;;
301 m68k-*-vxworks* | m68k-ericsson-ose | m68k-*-sunos*)
303 m68k-motorola-sysv*) fmt=coff em=delta ;;
304 m68k-bull-sysv3*) fmt=coff em=dpx2 ;;
305 m68k-apollo-*) fmt=coff em=apollo ;;
306 m68k-*-sysv4*) # must be before -sysv*
308 m68k-*-elf*) fmt=elf ;;
309 m68k-*-coff | m68k-*-sysv* | m68k-*-rtems*)
311 m68k-*-hpux*) fmt=hp300 em=hp300 ;;
312 m68k-*-linux*aout*) fmt=aout em=linux ;;
313 m68k-*-linux-gnu*) fmt=elf em=linux ;;
314 m68k-*-gnu*) fmt=elf ;;
315 m68k-*-lynxos*) fmt=coff em=lynx ;;
316 m68k-*-netbsd*) fmt=aout em=nbsd bfd_gas=yes ;;
317 m68k-*-openbsd*) fmt=aout em=nbsd bfd_gas=yes ;;
318 m68k-apple-aux*) fmt=coff em=aux ;;
319 m68k-*-psos*) fmt=elf em=psos;;
321 m88k-motorola-sysv3*) fmt=coff em=delt88 ;;
322 m88k-*-coff*) fmt=coff ;;
324 mcore-*-elf) fmt=elf bfd_gas=yes ;;
325 mcore-*-pe) fmt=coff em=pe bfd_gas=yes ;;
327 # don't change em like *-*-bsd does
328 mips-dec-netbsd*) fmt=elf endian=little ;;
329 mips-dec-openbsd*) fmt=elf endian=little ;;
330 mips-dec-bsd*) fmt=aout endian=little ;;
331 mips-sony-bsd*) fmt=ecoff ;;
332 mips-*-bsd*) AC_MSG_ERROR(Unknown vendor for mips-bsd configuration.) ;;
333 mips-*-ultrix*) fmt=ecoff endian=little ;;
334 mips-*-osf*) fmt=ecoff endian=little ;;
335 mips-*-ecoff*) fmt=ecoff ;;
336 mips-*-ecoff*) fmt=ecoff ;;
337 mips-*-pe*) fmt=coff endian=little em=pe ;;
338 mips-*-irix6*) fmt=elf ;;
339 mips-*-irix5*) fmt=elf ;;
340 mips-*-irix*) fmt=ecoff ;;
341 mips-*-lnews*) fmt=ecoff em=lnews ;;
342 mips-*-riscos*) fmt=ecoff ;;
343 mips-*-sysv4*MP*) fmt=elf em=tmips ;;
344 mips-*-sysv*) fmt=ecoff ;;
345 mips-*-elf* | mips-*-rtems* | mips-*-linux-gnu* | mips-*-gnu* | mips-*-openbsd*)
347 mips-*-vxworks*) fmt=elf
348 AC_DEFINE(MIPS_STABS_ELF, 1,
349 [Use ELF stabs for MIPS, not ECOFF stabs])
351 mn10200-*-*) fmt=elf bfd_gas=yes ;;
352 mn10300-*-*) fmt=elf bfd_gas=yes ;;
354 ppc-*-pe | ppc-*-cygwin* | ppc-*-winnt*)
356 ppc-*-aix*) fmt=coff ;;
357 ppc-*-beos*) fmt=coff ;;
358 ppc-*-*bsd* | ppc-*-elf* | ppc-*-eabi* | ppc-*-sysv4*)
360 ppc-*-linux-gnu*) fmt=elf
363 *) AC_MSG_ERROR(GNU/Linux must be configured big endian) ;;
366 ppc-*-solaris*) fmt=elf
367 if test ${this_target} = $target; then
368 AC_DEFINE(TARGET_SOLARIS_COMMENT, 1,
369 [Define if default target is PowerPC Solaris.])
371 if test x${endian} = xbig; then
372 AC_MSG_ERROR(Solaris must be configured little endian)
375 ppc-*-rtems*) fmt=elf ;;
376 ppc-*-macos* | ppc-*-mpw*)
378 ppc-*-netware*) fmt=elf em=ppcnw ;;
379 ppc-*-vxworks*) fmt=elf ;;
381 s390x-*-linux-gnu*) fmt=elf em=linux ;;
382 s390-*-linux-gnu*) fmt=elf em=linux ;;
384 sh-*-linux*) fmt=elf em=linux ;;
385 sh-*-elf*) fmt=elf ;;
386 sh-*-coff*) fmt=coff bfd_gas=yes;;
387 sh-*-pe*) fmt=coff em=pe bfd_gas=yes;;
388 sh-*-rtemself*) fmt=elf ;;
389 sh-*-rtems*) fmt=coff bfd_gas=yes;;
391 ns32k-pc532-mach* | ns32k-pc532-ux*) fmt=aout em=pc532mach ;;
392 ns32k-pc532-netbsd* | ns32k-pc532-lites*) fmt=aout em=nbsd532 ;;
393 ns32k-pc532-openbsd*) fmt=aout em=nbsd532 ;;
395 sparc-*-rtemsaout*) fmt=aout ;;
396 sparc-*-rtemself*) fmt=elf ;;
397 sparc-*-rtems*) fmt=elf ;;
398 sparc-*-sunos4*) fmt=aout em=sun3 ;;
399 sparc-*-aout | sparc*-*-vxworks*)
400 fmt=aout em=sparcaout ;;
401 sparc-*-coff) fmt=coff ;;
402 sparc-*-linux*aout*) fmt=aout em=linux ;;
403 sparc-*-linux-gnu*) fmt=elf em=linux ;;
404 sparc-*-lynxos*) fmt=coff em=lynx ;;
405 sparc-fujitsu-none) fmt=aout ;;
406 sparc-*-elf | sparc-*-sysv4* | sparc-*-solaris*)
408 sparc-*-netbsd*) em=nbsd bfd_gas=yes
417 sparc-*-openbsd*) fmt=aout em=nbsd ;;
419 strongarm-*-coff) fmt=coff ;;
420 strongarm-*-elf) fmt=elf ;;
421 xscale-*-coff) fmt=coff ;;
422 xscale-*-elf) fmt=elf ;;
424 tic30-*-*aout*) fmt=aout bfd_gas=yes ;;
425 tic30-*-*coff*) fmt=coff bfd_gas=yes ;;
426 tic54x-*-* | c54x*-*-*)
427 fmt=coff bfd_gas=yes need_libm=yes;;
428 tic80-*-*) fmt=coff ;;
430 v850-*-*) fmt=elf bfd_gas=yes ;;
431 v850e-*-*) fmt=elf bfd_gas=yes ;;
432 v850ea-*-*) fmt=elf bfd_gas=yes ;;
434 vax-*-bsd* | vax-*-ultrix*)
436 vax-*-vms) fmt=vms ;;
439 z8k-*-coff | z8k-*-sim)
444 *-*-aout | *-*-scout)
446 *-*-freebsd*) fmt=elf bfd_gas=yes ;;
451 *-*-generic) fmt=generic ;;
452 *-*-xray | *-*-hms) fmt=coff ;;
454 *-*-elf | *-*-sysv4* | *-*-solaris*)
455 AC_MSG_WARN(GAS support for ${generic_target} is incomplete.)
457 *-*-vxworks) fmt=aout ;;
458 *-*-netware) fmt=elf ;;
461 if test ${this_target} = $target ; then
463 if test x${endian} = xbig; then
465 elif test x${endian} = xlittle; then
468 if test x${endian_def} != x; then
469 AC_DEFINE_UNQUOTED(TARGET_BYTES_BIG_ENDIAN, $endian_def,
470 [Define as 1 if big endian.])
474 case ${cpu_type}-${fmt} in
475 alpha*-*) bfd_gas=yes ;;
476 arm-*) bfd_gas=yes ;;
478 # i386-aout) bfd_gas=preferred ;;
479 ia64*-*) bfd_gas=yes ;;
480 mips-*) bfd_gas=yes ;;
481 ns32k-*) bfd_gas=yes ;;
482 pdp11-*) bfd_gas=yes ;;
483 ppc-*) bfd_gas=yes ;;
484 sparc-*) bfd_gas=yes ;;
485 strongarm-*) bfd_gas=yes ;;
486 xscale-*) bfd_gas=yes ;;
487 *-elf) bfd_gas=yes ;;
488 *-ecoff) bfd_gas=yes ;;
489 *-som) bfd_gas=yes ;;
490 #enable bfd for coff and aout to allow testing if a bfd target is
491 #the primary target, but not for coff or aout as the primary target
492 i386-coff) if test x${primary_bfd_gas} = xyes; then bfd_gas=yes; fi ;;
493 i386-aout) if test x${primary_bfd_gas} = xyes; then bfd_gas=yes; fi ;;
497 # Other random stuff.
499 # Do we need the opcodes library?
507 case "${enable_shared}" in
508 yes) shared_opcodes=true ;;
509 *opcodes*) shared_opcodes=true ;;
510 *) shared_opcodes=false ;;
512 if test "${shared_opcodes}" = "true"; then
513 # A shared libopcodes must be linked against libbfd.
519 # Any other special object files needed ?
526 case ${extra_objects} in
528 *) extra_objects="$extra_objects m68k-parse.o" ;;
533 if test $this_target = $target ; then
534 AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
539 echo ${extra_objects} | grep -s "itbl-parse.o"
540 if test $? -ne 0 ; then
541 extra_objects="$extra_objects itbl-parse.o"
544 echo ${extra_objects} | grep -s "itbl-lex.o"
545 if test $? -ne 0 ; then
546 extra_objects="$extra_objects itbl-lex.o"
549 echo ${extra_objects} | grep -s "itbl-ops.o"
550 if test $? -ne 0 ; then
551 extra_objects="$extra_objects itbl-ops.o"
556 if test $this_target = $target ; then
557 AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
561 if test $this_target = $target ; then
562 AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
569 if test $using_cgen = yes ; then
570 case "x${extra_objects}" in
572 *) extra_objects="$extra_objects cgen.o" ;;
576 # See if we really can support this configuration with the emulation code.
578 if test $this_target = $target ; then
579 primary_bfd_gas=$bfd_gas
583 if test $bfd_gas = no ; then
584 # Can't support other configurations this way.
587 elif test $bfd_gas = no ; then
588 # Can't support this configuration.
592 # From target name and format, produce a list of supported emulations.
594 case ${generic_target}-${fmt} in
595 mips-*-irix5*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
596 mips-*-linux-gnu*-*) case "$endian" in
597 big) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
598 *) emulation="mipslelf mipsbelf mipself mipslecoff mipsbecoff mipsecoff" ;;
600 mips-*-lnews*-ecoff) ;;
601 mips-*-*-ecoff) case "$endian" in
602 big) emulation="mipsbecoff mipslecoff mipsecoff" ;;
603 *) emulation="mipslecoff mipsbecoff mipsecoff" ;;
605 mips-*-*-elf) case "$endian" in
606 big) emulation="mipsbelf mipslelf mipself" ;;
607 *) emulation="mipslelf mipsbelf mipself" ;;
609 mips-*-sysv4*MP*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
610 # i386-pc-pe-coff != i386-pc-coff.
612 # Uncommenting the next line will turn on support for i386 AOUT
613 # for the default linux configuration
614 # i386-*-linux*-elf) emulation="i386elf i386aout" ;;
616 i386-*-aout) emulation="i386aout" ;;
617 i386-*-coff) emulation="i386coff" ;;
618 i386-*-elf) emulation="i386elf" ;;
620 # Always all formats. Having a.out first makes it the default.
621 cris-*-*) emulation="crisaout criself" ;;
624 emulations="$emulations $emulation"
628 # Turn on all targets if possible
629 if test ${all_targets} = "yes"; then
630 case ${target_cpu_type} in
632 case ${obj_format} in
634 emulations="$emulations i386coff i386elf"
637 emulations="$emulations i386aout i386elf"
640 emulations="$emulations i386aout i386coff"
647 # Assign floating point type. Most processors with FP support
648 # IEEE FP. On those that don't support FP at all, usually IEEE
650 case ${target_cpu} in
651 vax | tahoe ) atof=${target_cpu} ;;
656 case "${obj_format}" in
657 "") AC_MSG_ERROR(GAS does not know what format to use for target ${target}) ;;
660 # Unfortunately the cpu in cpu-opc.h file isn't always $(TARGET_CPU).
662 if test $using_cgen = yes ; then
663 case ${target_cpu} in
664 *) cgen_cpu_prefix=${target_cpu} ;;
666 AC_SUBST(cgen_cpu_prefix)
667 AC_DEFINE(USING_CGEN, 1, [Using cgen code?])
671 dnl Make sure the desired support files exist.
674 if test ! -r ${srcdir}/config/tc-${target_cpu_type}.c; then
675 AC_MSG_ERROR(GAS does not support target CPU ${target_cpu_type})
678 if test ! -r ${srcdir}/config/obj-${obj_format}.c; then
679 AC_MSG_ERROR(GAS does not have support for object file format ${obj_format})
682 case ${user_bfd_gas}-${primary_bfd_gas} in
684 # We didn't override user's choice.
687 AC_MSG_WARN(Use of BFD is required for ${target}; overriding config options.)
699 # User specified nothing.
703 # Some COFF configurations want these random other flags set.
704 case ${obj_format} in
706 case ${target_cpu_type} in
707 i386) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
708 m68k) AC_DEFINE(M68KCOFF, 1, [Using m68k COFF?]) ;;
709 m88k) AC_DEFINE(M88KCOFF, 1, [Using m88k COFF?]) ;;
714 # Getting this done right is going to be a bitch. Each configuration specified
715 # with --enable-targets=... should be checked for environment, format, cpu, and
718 # For each configuration, the necessary object file support code must be linked
719 # in. This might be only one, it might be up to four. The necessary emulation
720 # code needs to be provided, too.
722 # And then there's "--enable-targets=all"....
724 # For now, just always do it for MIPS ELF or ECOFF configurations. Sigh.
726 formats="${obj_format}"
730 for em in . $emulations ; do
733 mipsbelf | mipslelf | mipself)
734 fmt=elf file=mipself ;;
735 mipsbecoff | mipslecoff | mipsecoff)
736 fmt=ecoff file=mipsecoff ;;
744 formats="$formats $fmt"
745 emfiles="$emfiles e-$file.o"
746 EMULATIONS="$EMULATIONS &$em,"
750 if test `set . $formats ; shift ; echo $#` -gt 1 ; then
751 for fmt in $formats ; do
753 aout) AC_DEFINE(OBJ_MAYBE_AOUT, 1, [a.out support?]) ;;
754 bout) AC_DEFINE(OBJ_MAYBE_BOUT, 1, [b.out support?]) ;;
755 coff) AC_DEFINE(OBJ_MAYBE_COFF, 1, [COFF support?]) ;;
756 ecoff) AC_DEFINE(OBJ_MAYBE_ECOFF, 1, [ECOFF support?]) ;;
757 elf) AC_DEFINE(OBJ_MAYBE_ELF, 1, [ELF support?]) ;;
758 generic) AC_DEFINE(OBJ_MAYBE_GENERIC, 1, [generic support?]) ;;
759 hp300) AC_DEFINE(OBJ_MAYBE_HP300, 1, [HP300 support?]) ;;
760 ieee) AC_DEFINE(OBJ_MAYBE_IEEE, 1, [IEEE support?]) ;;
761 som) AC_DEFINE(OBJ_MAYBE_SOM, 1, [SOM support?]) ;;
762 vms) AC_DEFINE(OBJ_MAYBE_VMS, 1, [VMS support?]) ;;
764 extra_objects="$extra_objects obj-$fmt.o"
768 if test `set . $emfiles ; shift ; echo $#` -gt 0 ; then
769 DEFAULT_EMULATION=`set . $emulations ; echo $2`
770 # e-mips* has more than one emulation per file, e-i386* has just one at the
771 # moment. If only one emulation is specified, then don't define
772 # USE_EMULATIONS or include any of the e-files as they will only be bloat.
773 case "${obj_format}${emfiles}" in
775 extra_objects="$extra_objects $emfiles"
776 AC_DEFINE(USE_EMULATIONS, 1, [Use emulation support?]) ;;
779 AC_SUBST(extra_objects)
780 AC_DEFINE_UNQUOTED(EMULATIONS, $EMULATIONS, [Supported emulations.])
781 AC_DEFINE_UNQUOTED(DEFAULT_EMULATION, "$DEFAULT_EMULATION",
782 [Default emulation.])
784 case ${primary_bfd_gas}-${target_cpu_type}-${obj_format} in
785 yes-*-coff) need_bfd=yes ;;
786 no-*-coff) need_bfd=yes
787 AC_DEFINE(MANY_SEGMENTS, 1, [old COFF support?]) ;;
790 reject_dev_configs=yes
792 case ${reject_dev_configs}-${dev} in
794 AC_MSG_ERROR(GAS does not support the ${generic_target} configuration.)
798 AC_SUBST(target_cpu_type)
801 AC_SUBST(install_tooldir)
803 dnl AC_SUBST(emulation)
805 case "${primary_bfd_gas}" in
806 yes) AC_DEFINE(BFD_ASSEMBLER, 1, [Use BFD interface?])
810 # do we need the opcodes library?
811 case "${need_opcodes}" in
813 OPCODES_LIB=../opcodes/libopcodes.la
817 case "${need_bfd}" in
819 BFDLIB=../bfd/libbfd.la
820 ALL_OBJ_DEPS="$ALL_OBJ_DEPS ../bfd/bfd.h"
825 AC_SUBST(OPCODES_LIB)
827 AC_SUBST(ALL_OBJ_DEPS)
829 AC_DEFINE_UNQUOTED(TARGET_ALIAS, "${target_alias}", [Target alias.])
830 AC_DEFINE_UNQUOTED(TARGET_CANONICAL, "${target}", [Canonical target.])
831 AC_DEFINE_UNQUOTED(TARGET_CPU, "${target_cpu}", [Target CPU.])
832 AC_DEFINE_UNQUOTED(TARGET_VENDOR, "${target_vendor}", [Target vendor.])
833 AC_DEFINE_UNQUOTED(TARGET_OS, "${target_os}", [Target OS.])
846 AC_CHECK_HEADERS(string.h stdlib.h memory.h strings.h unistd.h stdarg.h varargs.h errno.h sys/types.h)
848 # Put this here so that autoconf's "cross-compiling" message doesn't confuse
849 # people who are not cross-compiling but are compiling cross-assemblers.
850 AC_MSG_CHECKING(whether compiling a cross-assembler)
851 if test "${host}" = "${target}"; then
855 AC_DEFINE(CROSS_COMPILE, 1, [Compiling cross-assembler?])
857 AC_MSG_RESULT($cross_gas)
859 dnl ansidecl.h will deal with const
864 # VMS doesn't have unlink.
865 AC_CHECK_FUNCS(unlink remove, break)
867 # Some systems don't have sbrk().
870 # do we need the math library?
871 case "${need_libm}" in
878 # Some non-ANSI preprocessors botch requoting inside strings. That's bad
879 # enough, but on some of those systems, the assert macro relies on requoting
883 # On some systems, the system header files may not declare malloc, realloc,
884 # and free. There are places where gas needs these functions to have been
885 # declared -- such as when taking their addresses.
893 #ifdef HAVE_STRINGS_H
904 GAS_CHECK_DECL_NEEDED(strstr, f, char *(*f)(), $gas_test_headers)
905 GAS_CHECK_DECL_NEEDED(malloc, f, char *(*f)(), $gas_test_headers)
906 GAS_CHECK_DECL_NEEDED(free, f, void (*f)(), $gas_test_headers)
907 GAS_CHECK_DECL_NEEDED(sbrk, f, char *(*f)(), $gas_test_headers)
908 GAS_CHECK_DECL_NEEDED(environ, f, char **f, $gas_test_headers)
910 # Does errno.h declare errno, or do we have to add a separate declaration
912 GAS_CHECK_DECL_NEEDED(errno, f, int f, [
918 dnl This must come last.
920 dnl We used to make symlinks to files in the source directory, but now
921 dnl we just use the right name for .c files, and create .h files in
922 dnl the build directory which include the right .h file. Make sure
923 dnl the old symlinks don't exist, so that a reconfigure in an existing
924 dnl directory behaves reasonably.
926 AC_OUTPUT(Makefile doc/Makefile ${GDBINIT}:gdbinit.in po/Makefile.in:po/Make-in,
927 [rm -f targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c itbl-cpu.h
928 echo '#include "tc-'"${target_cpu_type}"'.h"' > targ-cpu.h
929 echo '#include "obj-'"${obj_format}"'.h"' > obj-format.h
930 echo '#include "te-'"${te_file}"'.h"' > targ-env.h
931 echo '#include "itbl-'"${target_cpu_type}"'.h"' > itbl-cpu.h
932 if test "x$cgen_cpu_prefix" != x ; then
933 echo '#include "opcodes/'"${cgen_cpu_prefix}"'-desc.h"' > cgen-desc.h
936 sed -e '/POTFILES =/r po/POTFILES' po/Makefile.in > po/Makefile],
937 [target_cpu_type=${target_cpu_type}
938 cgen_cpu_prefix=${cgen_cpu_prefix}
939 obj_format=${obj_format}