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-*-freebsd*) fmt=elf bfd_gas=yes ;;
253 i386-*-coff | i386-*-sysv* | i386-*-sco3.2v5*coff | i386-*-isc*)
255 i386-*-sco3.2v5*) fmt=elf
256 if test ${this_target} = $target; then
257 AC_DEFINE(SCO_ELF, 1,
258 [Define if defaulting to ELF on SCO 5.])
261 i386-*-sco3.2*) fmt=coff ;;
262 i386-*-vsta) fmt=aout ;;
263 i386-*-msdosdjgpp* | i386-*-go32* | i386-go32-rtems*)
264 fmt=coff em=go32 bfd_gas=yes
265 AC_DEFINE(STRICTCOFF, 1, [Using strict COFF?])
267 i386-*-rtemself*) fmt=elf ;;
268 i386-*-rtems*) fmt=coff ;;
269 i386-*-gnu*) fmt=elf ;;
271 fmt=aout em=mach bfd_gas=yes ;;
272 i386-*-msdos*) fmt=aout ;;
273 i386-*-moss*) fmt=elf ;;
274 i386-*-pe) fmt=coff em=pe bfd_gas=yes ;;
275 i386-*-cygwin*) fmt=coff em=pe bfd_gas=yes ;;
276 i386-*-interix*) fmt=coff em=interix bfd_gas=yes ;;
277 i386-*-mingw32*) fmt=coff em=pe bfd_gas=yes ;;
278 i386-*-*nt*) fmt=coff em=pe bfd_gas=yes ;;
279 i386-*-vxworks*) fmt=aout ;;
280 i386-*-chaos) fmt=elf ;;
281 i860-stardent-sysv4* | i860-stardent-elf*)
282 fmt=elf bfd_gas=yes endian=little
283 AC_MSG_WARN(GAS support for ${generic_target} is preliminary and a work in progress) ;;
284 i960-*-bout) fmt=bout ;;
285 i960-*-coff) fmt=coff em=ic960 ;;
286 i960-*-rtems*) fmt=coff em=ic960 ;;
287 i960-*-nindy*) fmt=bout ;;
288 i960-*-vxworks4*) fmt=bout ;;
289 i960-*-vxworks5.0) fmt=bout ;;
290 i960-*-vxworks5.*) fmt=coff em=ic960 ;;
291 i960-*-vxworks*) fmt=bout ;;
292 i960-*-elf*) fmt=elf ;;
294 ia64-*-elf*) fmt=elf ;;
295 ia64-*-linux-gnu*) fmt=elf em=linux ;;
296 ia64-*-hpux*) fmt=elf em=hpux ;;
298 m32r-*-*) fmt=elf bfd_gas=yes ;;
300 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)fmt=elf bfd_gas=yes ;;
302 m68k-*-vxworks* | m68k-ericsson-ose | m68k-*-sunos*)
304 m68k-motorola-sysv*) fmt=coff em=delta ;;
305 m68k-bull-sysv3*) fmt=coff em=dpx2 ;;
306 m68k-apollo-*) fmt=coff em=apollo ;;
307 m68k-*-sysv4*) # must be before -sysv*
309 m68k-*-elf*) fmt=elf ;;
310 m68k-*-coff | m68k-*-sysv* | m68k-*-rtems*)
312 m68k-*-hpux*) fmt=hp300 em=hp300 ;;
313 m68k-*-linux*aout*) fmt=aout em=linux ;;
314 m68k-*-linux-gnu*) fmt=elf em=linux ;;
315 m68k-*-gnu*) fmt=elf ;;
316 m68k-*-lynxos*) fmt=coff em=lynx ;;
317 m68k-*-netbsd*) fmt=aout em=nbsd bfd_gas=yes ;;
318 m68k-*-openbsd*) fmt=aout em=nbsd bfd_gas=yes ;;
319 m68k-apple-aux*) fmt=coff em=aux ;;
320 m68k-*-psos*) fmt=elf em=psos;;
322 m88k-motorola-sysv3*) fmt=coff em=delt88 ;;
323 m88k-*-coff*) fmt=coff ;;
325 mcore-*-elf) fmt=elf bfd_gas=yes ;;
326 mcore-*-pe) fmt=coff em=pe bfd_gas=yes ;;
328 # don't change em like *-*-bsd does
329 mips-dec-netbsd*) fmt=elf endian=little ;;
330 mips-dec-openbsd*) fmt=elf endian=little ;;
331 mips-dec-bsd*) fmt=aout endian=little ;;
332 mips-sony-bsd*) fmt=ecoff ;;
333 mips-*-bsd*) AC_MSG_ERROR(Unknown vendor for mips-bsd configuration.) ;;
334 mips-*-ultrix*) fmt=ecoff endian=little ;;
335 mips-*-osf*) fmt=ecoff endian=little ;;
336 mips-*-ecoff*) fmt=ecoff ;;
337 mips-*-ecoff*) fmt=ecoff ;;
338 mips-*-pe*) fmt=coff endian=little em=pe ;;
339 mips-*-irix6*) fmt=elf ;;
340 mips-*-irix5*) fmt=elf ;;
341 mips-*-irix*) fmt=ecoff ;;
342 mips-*-lnews*) fmt=ecoff em=lnews ;;
343 mips-*-riscos*) fmt=ecoff ;;
344 mips-*-sysv4*MP*) fmt=elf em=tmips ;;
345 mips-*-sysv*) fmt=ecoff ;;
346 mips-*-elf* | mips-*-rtems* | mips-*-linux-gnu* | mips-*-gnu* | mips-*-openbsd*)
348 mips-*-vxworks*) fmt=elf
349 AC_DEFINE(MIPS_STABS_ELF, 1,
350 [Use ELF stabs for MIPS, not ECOFF stabs])
352 mn10200-*-*) fmt=elf bfd_gas=yes ;;
353 mn10300-*-*) fmt=elf bfd_gas=yes ;;
355 ppc-*-pe | ppc-*-cygwin* | ppc-*-winnt*)
357 ppc-*-aix*) fmt=coff ;;
358 ppc-*-beos*) fmt=coff ;;
359 ppc-*-*bsd* | ppc-*-elf* | ppc-*-eabi* | ppc-*-sysv4*)
361 ppc-*-linux-gnu*) fmt=elf
364 *) AC_MSG_ERROR(GNU/Linux must be configured big endian) ;;
367 ppc-*-solaris*) fmt=elf
368 if test ${this_target} = $target; then
369 AC_DEFINE(TARGET_SOLARIS_COMMENT, 1,
370 [Define if default target is PowerPC Solaris.])
372 if test x${endian} = xbig; then
373 AC_MSG_ERROR(Solaris must be configured little endian)
376 ppc-*-rtems*) fmt=elf ;;
377 ppc-*-macos* | ppc-*-mpw*)
379 ppc-*-netware*) fmt=elf em=ppcnw ;;
380 ppc-*-vxworks*) fmt=elf ;;
382 s390x-*-linux-gnu*) fmt=elf em=linux ;;
383 s390-*-linux-gnu*) fmt=elf em=linux ;;
385 sh-*-linux*) fmt=elf em=linux ;;
386 sh-*-elf*) fmt=elf ;;
387 sh-*-coff*) fmt=coff ;;
388 sh-*-pe*) fmt=coff em=pe bfd_gas=yes;;
389 sh-*-rtemself*) fmt=elf ;;
390 sh-*-rtems*) fmt=coff ;;
392 ns32k-pc532-mach* | ns32k-pc532-ux*) fmt=aout em=pc532mach ;;
393 ns32k-pc532-netbsd* | ns32k-pc532-lites*) fmt=aout em=nbsd532 ;;
394 ns32k-pc532-openbsd*) fmt=aout em=nbsd532 ;;
396 sparc-*-rtemsaout*) fmt=aout ;;
397 sparc-*-rtemself*) fmt=elf ;;
398 sparc-*-rtems*) fmt=elf ;;
399 sparc-*-sunos4*) fmt=aout em=sun3 ;;
400 sparc-*-aout | sparc*-*-vxworks*)
401 fmt=aout em=sparcaout ;;
402 sparc-*-coff) fmt=coff ;;
403 sparc-*-linux*aout*) fmt=aout em=linux ;;
404 sparc-*-linux-gnu*) fmt=elf em=linux ;;
405 sparc-*-lynxos*) fmt=coff em=lynx ;;
406 sparc-fujitsu-none) fmt=aout ;;
407 sparc-*-elf | sparc-*-sysv4* | sparc-*-solaris*)
409 sparc-*-netbsd*) em=nbsd bfd_gas=yes
418 sparc-*-openbsd*) fmt=aout em=nbsd ;;
420 strongarm-*-coff) fmt=coff ;;
421 strongarm-*-elf) fmt=elf ;;
422 xscale-*-coff) fmt=coff ;;
423 xscale-*-elf) fmt=elf ;;
425 tic30-*-*aout*) fmt=aout bfd_gas=yes ;;
426 tic30-*-*coff*) fmt=coff bfd_gas=yes ;;
427 tic54x-*-* | c54x*-*-*)
428 fmt=coff bfd_gas=yes need_libm=yes;;
429 tic80-*-*) fmt=coff ;;
431 v850-*-*) fmt=elf bfd_gas=yes ;;
432 v850e-*-*) fmt=elf bfd_gas=yes ;;
433 v850ea-*-*) fmt=elf bfd_gas=yes ;;
435 vax-*-bsd* | vax-*-ultrix*)
437 vax-*-vms) fmt=vms ;;
440 z8k-*-coff | z8k-*-sim)
445 *-*-aout | *-*-scout)
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 ppc-*) bfd_gas=yes ;;
483 sparc-*) bfd_gas=yes ;;
484 strongarm-*) bfd_gas=yes ;;
485 xscale-*) bfd_gas=yes ;;
486 *-elf) bfd_gas=yes ;;
487 *-ecoff) bfd_gas=yes ;;
488 *-som) bfd_gas=yes ;;
489 #enable bfd for coff and aout to allow testing if a bfd target is
490 #the primary target, but not for coff or aout as the primary target
491 i386-coff) if test x${primary_bfd_gas} = xyes; then bfd_gas=yes; fi ;;
492 i386-aout) if test x${primary_bfd_gas} = xyes; then bfd_gas=yes; fi ;;
496 # Other random stuff.
498 # Do we need the opcodes library?
506 case "${enable_shared}" in
507 yes) shared_opcodes=true ;;
508 *opcodes*) shared_opcodes=true ;;
509 *) shared_opcodes=false ;;
511 if test "${shared_opcodes}" = "true"; then
512 # A shared libopcodes must be linked against libbfd.
518 # Any other special object files needed ?
525 case ${extra_objects} in
527 *) extra_objects="$extra_objects m68k-parse.o" ;;
532 if test $this_target = $target ; then
533 AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
538 echo ${extra_objects} | grep -s "itbl-parse.o"
539 if test $? -ne 0 ; then
540 extra_objects="$extra_objects itbl-parse.o"
543 echo ${extra_objects} | grep -s "itbl-lex.o"
544 if test $? -ne 0 ; then
545 extra_objects="$extra_objects itbl-lex.o"
548 echo ${extra_objects} | grep -s "itbl-ops.o"
549 if test $? -ne 0 ; then
550 extra_objects="$extra_objects itbl-ops.o"
555 if test $this_target = $target ; then
556 AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
560 if test $this_target = $target ; then
561 AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
568 if test $using_cgen = yes ; then
569 case "x${extra_objects}" in
571 *) extra_objects="$extra_objects cgen.o" ;;
575 # See if we really can support this configuration with the emulation code.
577 if test $this_target = $target ; then
578 primary_bfd_gas=$bfd_gas
582 if test $bfd_gas = no ; then
583 # Can't support other configurations this way.
586 elif test $bfd_gas = no ; then
587 # Can't support this configuration.
591 # From target name and format, produce a list of supported emulations.
593 case ${generic_target}-${fmt} in
594 mips-*-irix5*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
595 mips-*-linux-gnu*-*) case "$endian" in
596 big) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
597 *) emulation="mipslelf mipsbelf mipself mipslecoff mipsbecoff mipsecoff" ;;
599 mips-*-lnews*-ecoff) ;;
600 mips-*-*-ecoff) case "$endian" in
601 big) emulation="mipsbecoff mipslecoff mipsecoff" ;;
602 *) emulation="mipslecoff mipsbecoff mipsecoff" ;;
604 mips-*-*-elf) case "$endian" in
605 big) emulation="mipsbelf mipslelf mipself" ;;
606 *) emulation="mipslelf mipsbelf mipself" ;;
608 mips-*-sysv4*MP*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
609 # i386-pc-pe-coff != i386-pc-coff.
611 # Uncommenting the next line will turn on support for i386 AOUT
612 # for the default linux configuration
613 # i386-*-linux*-elf) emulation="i386elf i386aout" ;;
615 i386-*-aout) emulation="i386aout" ;;
616 i386-*-coff) emulation="i386coff" ;;
617 i386-*-elf) emulation="i386elf" ;;
619 # Always all formats. Having a.out first makes it the default.
620 cris-*-*) emulation="crisaout criself" ;;
623 emulations="$emulations $emulation"
627 # Turn on all targets if possible
628 if test ${all_targets} = "yes"; then
629 case ${target_cpu_type} in
631 case ${obj_format} in
633 emulations="$emulations i386coff i386elf"
636 emulations="$emulations i386aout i386elf"
639 emulations="$emulations i386aout i386coff"
646 # Assign floating point type. Most processors with FP support
647 # IEEE FP. On those that don't support FP at all, usually IEEE
649 case ${target_cpu} in
650 vax | tahoe ) atof=${target_cpu} ;;
654 case "${obj_format}" in
655 "") AC_MSG_ERROR(GAS does not know what format to use for target ${target}) ;;
658 # Unfortunately the cpu in cpu-opc.h file isn't always $(TARGET_CPU).
660 if test $using_cgen = yes ; then
661 case ${target_cpu} in
662 *) cgen_cpu_prefix=${target_cpu} ;;
664 AC_SUBST(cgen_cpu_prefix)
665 AC_DEFINE(USING_CGEN, 1, [Using cgen code?])
669 dnl Make sure the desired support files exist.
672 if test ! -r ${srcdir}/config/tc-${target_cpu_type}.c; then
673 AC_MSG_ERROR(GAS does not support target CPU ${target_cpu_type})
676 if test ! -r ${srcdir}/config/obj-${obj_format}.c; then
677 AC_MSG_ERROR(GAS does not have support for object file format ${obj_format})
680 case ${user_bfd_gas}-${primary_bfd_gas} in
682 # We didn't override user's choice.
685 AC_MSG_WARN(Use of BFD is required for ${target}; overriding config options.)
697 # User specified nothing.
701 # Some COFF configurations want these random other flags set.
702 case ${obj_format} in
704 case ${target_cpu_type} in
705 i386) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
706 m68k) AC_DEFINE(M68KCOFF, 1, [Using m68k COFF?]) ;;
707 m88k) AC_DEFINE(M88KCOFF, 1, [Using m88k COFF?]) ;;
712 # Getting this done right is going to be a bitch. Each configuration specified
713 # with --enable-targets=... should be checked for environment, format, cpu, and
716 # For each configuration, the necessary object file support code must be linked
717 # in. This might be only one, it might be up to four. The necessary emulation
718 # code needs to be provided, too.
720 # And then there's "--enable-targets=all"....
722 # For now, just always do it for MIPS ELF or ECOFF configurations. Sigh.
724 formats="${obj_format}"
728 for em in . $emulations ; do
732 fmt=elf file=mipself ;;
733 mipsbecoff | mipslecoff)
734 fmt=ecoff file=mipsecoff ;;
742 formats="$formats $fmt"
743 emfiles="$emfiles e-$file.o"
744 EMULATIONS="$EMULATIONS &$em,"
748 if test `set . $formats ; shift ; echo $#` -gt 1 ; then
749 for fmt in $formats ; do
751 aout) AC_DEFINE(OBJ_MAYBE_AOUT, 1, [a.out support?]) ;;
752 bout) AC_DEFINE(OBJ_MAYBE_BOUT, 1, [b.out support?]) ;;
753 coff) AC_DEFINE(OBJ_MAYBE_COFF, 1, [COFF support?]) ;;
754 ecoff) AC_DEFINE(OBJ_MAYBE_ECOFF, 1, [ECOFF support?]) ;;
755 elf) AC_DEFINE(OBJ_MAYBE_ELF, 1, [ELF support?]) ;;
756 generic) AC_DEFINE(OBJ_MAYBE_GENERIC, 1, [generic support?]) ;;
757 hp300) AC_DEFINE(OBJ_MAYBE_HP300, 1, [HP300 support?]) ;;
758 ieee) AC_DEFINE(OBJ_MAYBE_IEEE, 1, [IEEE support?]) ;;
759 som) AC_DEFINE(OBJ_MAYBE_SOM, 1, [SOM support?]) ;;
760 vms) AC_DEFINE(OBJ_MAYBE_VMS, 1, [VMS support?]) ;;
762 extra_objects="$extra_objects obj-$fmt.o"
766 if test `set . $emfiles ; shift ; echo $#` -gt 0 ; then
767 DEFAULT_EMULATION=`set . $emulations ; echo $2`
768 # e-mips* has more than one emulation per file, e-i386* has just one at the
769 # moment. If only one emulation is specified, then don't define
770 # USE_EMULATIONS or include any of the e-files as they will only be bloat.
771 case "${obj_format}${emfiles}" in
773 extra_objects="$extra_objects $emfiles"
774 AC_DEFINE(USE_EMULATIONS, 1, [Use emulation support?]) ;;
777 AC_SUBST(extra_objects)
778 AC_DEFINE_UNQUOTED(EMULATIONS, $EMULATIONS, [Supported emulations.])
779 AC_DEFINE_UNQUOTED(DEFAULT_EMULATION, "$DEFAULT_EMULATION",
780 [Default emulation.])
782 case ${primary_bfd_gas}-${target_cpu_type}-${obj_format} in
783 yes-*-coff) need_bfd=yes ;;
784 no-*-coff) need_bfd=yes
785 AC_DEFINE(MANY_SEGMENTS, 1, [old COFF support?]) ;;
788 reject_dev_configs=yes
790 case ${reject_dev_configs}-${dev} in
792 AC_MSG_ERROR(GAS does not support the ${generic_target} configuration.)
796 AC_SUBST(target_cpu_type)
799 AC_SUBST(install_tooldir)
801 dnl AC_SUBST(emulation)
803 case "${primary_bfd_gas}" in
804 yes) AC_DEFINE(BFD_ASSEMBLER, 1, [Use BFD interface?])
808 # do we need the opcodes library?
809 case "${need_opcodes}" in
811 OPCODES_LIB=../opcodes/libopcodes.la
815 case "${need_bfd}" in
817 BFDLIB=../bfd/libbfd.la
818 ALL_OBJ_DEPS="$ALL_OBJ_DEPS ../bfd/bfd.h"
823 AC_SUBST(OPCODES_LIB)
825 AC_SUBST(ALL_OBJ_DEPS)
827 AC_DEFINE_UNQUOTED(TARGET_ALIAS, "${target_alias}", [Target alias.])
828 AC_DEFINE_UNQUOTED(TARGET_CANONICAL, "${target}", [Canonical target.])
829 AC_DEFINE_UNQUOTED(TARGET_CPU, "${target_cpu}", [Target CPU.])
830 AC_DEFINE_UNQUOTED(TARGET_VENDOR, "${target_vendor}", [Target vendor.])
831 AC_DEFINE_UNQUOTED(TARGET_OS, "${target_os}", [Target OS.])
844 AC_CHECK_HEADERS(string.h stdlib.h memory.h strings.h unistd.h stdarg.h varargs.h errno.h sys/types.h)
846 # Put this here so that autoconf's "cross-compiling" message doesn't confuse
847 # people who are not cross-compiling but are compiling cross-assemblers.
848 AC_MSG_CHECKING(whether compiling a cross-assembler)
849 if test "${host}" = "${target}"; then
853 AC_DEFINE(CROSS_COMPILE, 1, [Compiling cross-assembler?])
855 AC_MSG_RESULT($cross_gas)
857 dnl ansidecl.h will deal with const
862 # VMS doesn't have unlink.
863 AC_CHECK_FUNCS(unlink remove, break)
865 # Some systems don't have sbrk().
868 # do we need the math library?
869 case "${need_libm}" in
876 # Some non-ANSI preprocessors botch requoting inside strings. That's bad
877 # enough, but on some of those systems, the assert macro relies on requoting
881 # On some systems, the system header files may not declare malloc, realloc,
882 # and free. There are places where gas needs these functions to have been
883 # declared -- such as when taking their addresses.
891 #ifdef HAVE_STRINGS_H
902 GAS_CHECK_DECL_NEEDED(strstr, f, char *(*f)(), $gas_test_headers)
903 GAS_CHECK_DECL_NEEDED(malloc, f, char *(*f)(), $gas_test_headers)
904 GAS_CHECK_DECL_NEEDED(free, f, void (*f)(), $gas_test_headers)
905 GAS_CHECK_DECL_NEEDED(sbrk, f, char *(*f)(), $gas_test_headers)
906 GAS_CHECK_DECL_NEEDED(environ, f, char **f, $gas_test_headers)
908 # Does errno.h declare errno, or do we have to add a separate declaration
910 GAS_CHECK_DECL_NEEDED(errno, f, int f, [
916 dnl This must come last.
918 dnl We used to make symlinks to files in the source directory, but now
919 dnl we just use the right name for .c files, and create .h files in
920 dnl the build directory which include the right .h file. Make sure
921 dnl the old symlinks don't exist, so that a reconfigure in an existing
922 dnl directory behaves reasonably.
924 AC_OUTPUT(Makefile doc/Makefile ${GDBINIT}:gdbinit.in po/Makefile.in:po/Make-in,
925 [rm -f targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c itbl-cpu.h
926 echo '#include "tc-'"${target_cpu_type}"'.h"' > targ-cpu.h
927 echo '#include "obj-'"${obj_format}"'.h"' > obj-format.h
928 echo '#include "te-'"${te_file}"'.h"' > targ-env.h
929 echo '#include "itbl-'"${target_cpu_type}"'.h"' > itbl-cpu.h
930 if test "x$cgen_cpu_prefix" != x ; then
931 echo '#include "opcodes/'"${cgen_cpu_prefix}"'-desc.h"' > cgen-desc.h
934 sed -e '/POTFILES =/r po/POTFILES' po/Makefile.in > po/Makefile],
935 [target_cpu_type=${target_cpu_type}
936 cgen_cpu_prefix=${cgen_cpu_prefix}
937 obj_format=${obj_format}