f322cb0b6862a041f62838630034d0a8c6f46b4c
[deliverable/binutils-gdb.git] / gas / configure.in
1 dnl Process this file with autoconf to produce a configure script.
2 dnl
3 dnl And be careful when changing it! If you must add tests with square
4 dnl brackets, be sure changequote invocations surround it.
5 dnl
6 dnl
7 dnl v2.5 needed for --bindir et al
8 AC_PREREQ(2.13)
9 AC_INIT(as.h)
10
11 AC_CANONICAL_SYSTEM
12
13 AM_INIT_AUTOMAKE(gas, 2.10.90)
14
15 AM_PROG_LIBTOOL
16
17 user_bfd_gas=
18 AC_ARG_ENABLE(bfd-assembler,
19 [ --enable-bfd-assembler use BFD back end for writing object files],
20 [case "${enableval}" in
21 yes) need_bfd=yes user_bfd_gas=yes ;;
22 no) user_bfd_gas=no ;;
23 *) AC_MSG_ERROR(bad value ${enableval} given for bfd-assembler option) ;;
24 esac])dnl
25 AC_ARG_ENABLE(targets,
26 [ targets alternative target configurations besides the primary],
27 [case "${enableval}" in
28 yes | "") AC_ERROR(enable-targets option must specify target names or 'all')
29 ;;
30 no) enable_targets= ;;
31 *) enable_targets=$enableval ;;
32 esac])dnl
33 AC_ARG_ENABLE(commonbfdlib,
34 [ --enable-commonbfdlib build shared BFD/opcodes/libiberty library],
35 [case "${enableval}" in
36 yes) commonbfdlib=true ;;
37 no) commonbfdlib=false ;;
38 *) AC_MSG_ERROR([bad value ${enableval} for BFD commonbfdlib option]) ;;
39 esac])dnl
40
41 using_cgen=no
42
43 build_warnings="-W -Wall"
44 AC_ARG_ENABLE(build-warnings,
45 [ --enable-build-warnings Enable build-time compiler warnings if gcc is used],
46 [case "${enableval}" in
47 yes) ;;
48 no) build_warnings="-w";;
49 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
50 build_warnings="${build_warnings} ${t}";;
51 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
52 build_warnings="${t} ${build_warnings}";;
53 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
54 esac
55 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
56 echo "Setting warning flags = $build_warnings" 6>&1
57 fi])dnl
58 WARN_CFLAGS=""
59 if test "x${build_warnings}" != x -a "x$GCC" = xyes ; then
60 WARN_CFLAGS="${build_warnings}"
61 fi
62 AC_SUBST(WARN_CFLAGS)
63
64 # Generate a header file
65 AM_CONFIG_HEADER(config.h:config.in)
66
67 # If we are on a DOS filesystem, we must use gdb.ini rather than
68 # .gdbinit.
69 GDBINIT=".gdbinit"
70 case "${host}" in
71 *-*-msdos* | *-*-go32* | *-*-mingw32* | *-*-cygwin* | *-*-windows*)
72 GDBINIT="gdb.ini"
73 ;;
74 esac
75 AC_SUBST(GDBINIT)
76
77 te_file=generic
78
79 # Makefile target for installing gas in $(tooldir)/bin.
80 install_tooldir=install-exec-tooldir
81
82 canon_targets=""
83 all_targets=no
84 if test -n "$enable_targets" ; then
85 for t in `echo $enable_targets | sed 's/,/ /g'`; do
86 if test $t = "all"; then
87 all_targets=yes
88 continue
89 fi
90 result=`$ac_config_sub $t 2>/dev/null`
91 if test -n "$result" ; then
92 canon_targets="$canon_targets $result"
93 # else
94 # # Permit "all", etc. We don't support it yet though.
95 # canon_targets="$canon_targets $t"
96 fi
97 done
98 GAS_UNIQ(canon_targets)
99 fi
100
101 emulations=""
102
103 for this_target in $target $canon_targets ; do
104
105 changequote(,)dnl
106 eval `echo $this_target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/cpu=\1 vendor=\2 os=\3/'`
107 changequote([,])dnl
108
109 # check for architecture variants
110 arch=
111 endian=
112 case ${cpu} in
113 alpha*) cpu_type=alpha ;;
114 armeb) cpu_type=arm endian=big ;;
115 arm*) cpu_type=arm endian=little ;;
116 armb*) cpu_type=arm endian=little ;;
117 armv*l) cpu_type=arm endian=little ;;
118 armv*b) cpu_type=arm endian=big ;;
119 strongarm*) cpu_type=arm endian=little ;;
120 thumb*) cpu_type=arm endian=little ;;
121 hppa*) cpu_type=hppa ;;
122 changequote(,)dnl
123 i[456]86) cpu_type=i386 ;;
124 ia64) cpu_type=ia64 ;;
125 m680[012346]0) cpu_type=m68k ;;
126 changequote([,])dnl
127 m68008) cpu_type=m68k ;;
128 m683??) cpu_type=m68k ;;
129 m5200) cpu_type=m68k ;;
130 m8*) cpu_type=m88k ;;
131 mips*el) cpu_type=mips endian=little ;;
132 mips*) cpu_type=mips endian=big ;;
133 pjl*) cpu_type=pj endian=little ;;
134 pj*) cpu_type=pj endian=big ;;
135 powerpcle*) cpu_type=ppc endian=little ;;
136 powerpc*) cpu_type=ppc endian=big ;;
137 rs6000*) cpu_type=ppc ;;
138 sparclite*) cpu_type=sparc arch=sparclite ;;
139 sparclet*) cpu_type=sparc arch=sparclet ;;
140 sparc64*) cpu_type=sparc arch=v9-64 ;;
141 sparc86x*) cpu_type=sparc arch=sparc86x ;;
142 sparc*) cpu_type=sparc arch=sparclite ;; # ??? See tc-sparc.c.
143 v850*) cpu_type=v850 ;;
144 *) cpu_type=${cpu} ;;
145 esac
146
147 if test ${this_target} = $target ; then
148 target_cpu_type=${cpu_type}
149 elif test ${target_cpu_type} != ${cpu_type} ; then
150 continue
151 fi
152
153 generic_target=${cpu_type}-$vendor-$os
154 dev=no
155 bfd_gas=no
156 em=generic
157
158 # assign object format
159 case ${generic_target} in
160 a29k-*-coff) fmt=coff ;;
161 a29k-amd-udi) fmt=coff ;;
162 a29k-amd-ebmon) fmt=coff ;;
163 a29k-nyu-sym1) fmt=coff ;;
164 a29k-*-vxworks*) fmt=coff ;;
165
166 alpha*-*-*vms*) fmt=evax ;;
167 alpha*-*-netware*) fmt=ecoff ;;
168 alpha*-*-openbsd*) fmt=ecoff ;;
169 alpha*-*-osf*) fmt=ecoff ;;
170 alpha*-*-linuxecoff*) fmt=ecoff ;;
171 alpha*-*-linux-gnu*) fmt=elf em=linux ;;
172 alpha*-*-netbsd*) fmt=elf em=nbsd ;;
173
174 arc-*-elf*) fmt=elf bfd_gas=yes ;;
175
176 arm-*-aout) fmt=aout ;;
177 arm-*-coff | thumb-*-coff) fmt=coff ;;
178 arm-*-elf | thumb-*-elf) fmt=elf ;;
179 arm*-*-conix*) fmt=elf ;;
180 arm-*-linux*aout*) fmt=aout em=linux ;;
181 arm*-*-linux-gnu*) fmt=elf em=linux ;;
182 arm-*-netbsd*) fmt=aout em=nbsd ;;
183 arm-*-oabi | thumb-*-oabi) fmt=elf ;;
184 arm-epoc-pe | thumb-epoc-pe) fmt=coff em=epoc-pe ;;
185 arm-*-wince) fmt=coff em=wince-pe ;;
186 arm-*-pe | thumb-*-pe) fmt=coff em=pe ;;
187 arm-*-riscix*) fmt=aout em=riscix ;;
188
189 avr-*-*) fmt=elf bfd_gas=yes ;;
190
191 d10v-*-*) fmt=elf bfd_gas=yes ;;
192 d30v-*-*) fmt=elf bfd_gas=yes ;;
193
194
195 fr30-*-*) fmt=elf bfd_gas=yes ;;
196
197 hppa-*-linux-gnu*) fmt=elf em=linux ;;
198 hppa-*-*elf*) fmt=elf em=hppa ;;
199 hppa-*-lites*) fmt=elf em=hppa ;;
200 hppa-*-osf*) fmt=som em=hppa ;;
201 hppa-*-rtems*) fmt=elf em=hppa ;;
202 hppa-*-hpux11*) em=hppa
203 case ${cpu} in
204 hppa*64*)
205 fmt=elf;;
206 hppa*)
207 fmt=som;;
208 esac
209 ;;
210 hppa-*-hpux*) fmt=som em=hppa ;;
211 hppa-*-mpeix*) fmt=som em=hppa ;;
212 hppa-*-bsd*) fmt=som em=hppa ;;
213 hppa-*-hiux*) fmt=som em=hppa ;;
214
215 h8300-*-coff) fmt=coff ;;
216
217 i370-*-elf* | i370-*-linux*) fmt=elf ;;
218 i386-ibm-aix*) fmt=coff em=i386aix ;;
219 i386-sequent-bsd*) fmt=aout em=dynix bfd_gas=yes ;;
220 i386-*-beospe*) fmt=coff em=pe bfd_gas=yes ;;
221 i386-*-beoself* | i386-*-beos*) fmt=elf bfd_gas=yes ;;
222 i386-*-bsd*) fmt=aout em=386bsd ;;
223 i386-*-netbsd0.8) fmt=aout em=386bsd ;;
224 i386-*-netbsd*) fmt=aout em=nbsd bfd_gas=yes;;
225 i386-*-openbsd*) fmt=aout em=nbsd bfd_gas=yes;;
226 i386-*-linux*aout* | i386-*-linuxoldld) fmt=aout em=linux ;;
227 i386-*-linux*coff*) fmt=coff em=linux ;;
228 i386-*-linux-gnu*) fmt=elf em=linux bfd_gas=yes ;;
229 i386-*-lynxos*) fmt=coff em=lynx ;;
230 i386-*-sysv4* | i386-*-solaris* | i386-*-elf)
231 fmt=elf bfd_gas=yes ;;
232 changequote(,)dnl
233 i386-*-freebsdaout* | i386-*-freebsd[12].* | i386-*-freebsd[12])
234 fmt=aout em=386bsd ;;
235 changequote([,])dnl
236 i386-*-freebsd*) fmt=elf bfd_gas=yes ;;
237 i386-*-coff | i386-*-sysv* | i386-*-sco3.2v5*coff | i386-*-isc*)
238 fmt=coff ;;
239 i386-*-sco3.2v5*) fmt=elf
240 if test ${this_target} = $target; then
241 AC_DEFINE(SCO_ELF, 1,
242 [Define if defaulting to ELF on SCO 5.])
243 fi
244 ;;
245 i386-*-sco3.2*) fmt=coff ;;
246 i386-*-vsta) fmt=aout ;;
247 i386-*-msdosdjgpp* | i386-*-go32* | i386-go32-rtems*)
248 fmt=coff em=go32;;
249 i386-*-rtemself*) fmt=elf ;;
250 i386-*-rtems*) fmt=coff ;;
251 i386-*-gnu*) fmt=elf ;;
252 i386-*-mach*)
253 fmt=aout em=mach bfd_gas=yes ;;
254 i386-*-msdos*) fmt=aout ;;
255 i386-*-moss*) fmt=elf ;;
256 i386-*-pe) fmt=coff em=pe bfd_gas=yes ;;
257 i386-*-cygwin*) fmt=coff em=pe bfd_gas=yes ;;
258 i386-*-interix*) fmt=coff em=interix bfd_gas=yes ;;
259 i386-*-mingw32*) fmt=coff em=pe bfd_gas=yes ;;
260 i386-*-*nt*) fmt=coff em=pe bfd_gas=yes ;;
261 i386-*-vxworks*) fmt=aout ;;
262 i960-*-bout) fmt=bout ;;
263 i960-*-coff) fmt=coff em=ic960 ;;
264 i960-*-rtems*) fmt=coff em=ic960 ;;
265 i960-*-nindy*) fmt=bout ;;
266 i960-*-vxworks4*) fmt=bout ;;
267 i960-*-vxworks5.0) fmt=bout ;;
268 i960-*-vxworks5.*) fmt=coff em=ic960 ;;
269 i960-*-vxworks*) fmt=bout ;;
270 i960-*-elf*) fmt=elf ;;
271
272 ia64-*-elf*) fmt=elf ;;
273 ia64-*-linux-gnu*) fmt=elf em=linux ;;
274
275 m32r-*-*) fmt=elf bfd_gas=yes ;;
276
277 m68k-*-vxworks* | m68k-ericsson-ose | m68k-*-sunos*)
278 fmt=aout em=sun3 ;;
279 m68k-motorola-sysv*) fmt=coff em=delta ;;
280 m68k-bull-sysv3*) fmt=coff em=dpx2 ;;
281 m68k-apollo-*) fmt=coff em=apollo ;;
282 m68k-*-sysv4*) # must be before -sysv*
283 fmt=elf em=svr4 ;;
284 m68k-*-elf*) fmt=elf ;;
285 m68k-*-coff | m68k-*-sysv* | m68k-*-rtems*)
286 fmt=coff ;;
287 m68k-*-hpux*) fmt=hp300 em=hp300 ;;
288 m68k-*-linux*aout*) fmt=aout em=linux ;;
289 m68k-*-linux-gnu*) fmt=elf em=linux ;;
290 m68k-*-gnu*) fmt=elf ;;
291 m68k-*-lynxos*) fmt=coff em=lynx ;;
292 m68k-*-netbsd*) fmt=aout em=nbsd bfd_gas=yes ;;
293 m68k-*-openbsd*) fmt=aout em=nbsd bfd_gas=yes ;;
294 m68k-apple-aux*) fmt=coff em=aux ;;
295 m68k-*-psos*) fmt=elf em=psos;;
296
297 m88k-motorola-sysv3*) fmt=coff em=delt88 ;;
298 m88k-*-coff*) fmt=coff ;;
299
300 mcore-*-elf) fmt=elf bfd_gas=yes ;;
301 mcore-*-pe) fmt=coff em=pe bfd_gas=yes ;;
302
303 # don't change em like *-*-bsd does
304 mips-dec-netbsd*) fmt=elf endian=little ;;
305 mips-dec-openbsd*) fmt=elf endian=little ;;
306 mips-dec-bsd*) fmt=aout endian=little ;;
307 mips-sony-bsd*) fmt=ecoff ;;
308 mips-*-bsd*) AC_MSG_ERROR(Unknown vendor for mips-bsd configuration.) ;;
309 mips-*-ultrix*) fmt=ecoff endian=little ;;
310 mips-*-osf*) fmt=ecoff endian=little ;;
311 mips-*-ecoff*) fmt=ecoff ;;
312 mips-*-ecoff*) fmt=ecoff ;;
313 mips-*-pe*) fmt=coff endian=little em=pe ;;
314 mips-*-irix6*) fmt=elf ;;
315 mips-*-irix5*) fmt=elf ;;
316 mips-*-irix*) fmt=ecoff ;;
317 mips-*-lnews*) fmt=ecoff em=lnews ;;
318 mips-*-riscos*) fmt=ecoff ;;
319 mips-*-sysv*) fmt=ecoff ;;
320 mips-*-elf* | mips-*-rtems* | mips-*-linux-gnu* | mips-*-gnu* | mips-*-openbsd*)
321 fmt=elf ;;
322 mips-*-vxworks*) fmt=elf
323 AC_DEFINE(MIPS_STABS_ELF, 1,
324 [Use ELF stabs for MIPS, not ECOFF stabs])
325 ;;
326 mn10200-*-*) fmt=elf bfd_gas=yes ;;
327 mn10300-*-*) fmt=elf bfd_gas=yes ;;
328 pj*) fmt=elf ;;
329 ppc-*-pe | ppc-*-cygwin* | ppc-*-winnt*)
330 fmt=coff em=pe ;;
331 ppc-*-aix*) fmt=coff ;;
332 ppc-*-beos*) fmt=coff ;;
333 ppc-*-*bsd* | ppc-*-elf* | ppc-*-eabi* | ppc-*-sysv4*)
334 fmt=elf ;;
335 ppc-*-linux-gnu*) fmt=elf
336 case "$endian" in
337 big) ;;
338 *) AC_MSG_ERROR(GNU/Linux must be configured big endian) ;;
339 esac
340 ;;
341 ppc-*-solaris*) fmt=elf
342 if test ${this_target} = $target; then
343 AC_DEFINE(TARGET_SOLARIS_COMMENT, 1,
344 [Define if default target is PowerPC Solaris.])
345 fi
346 if test x${endian} = xbig; then
347 AC_MSG_ERROR(Solaris must be configured little endian)
348 fi
349 ;;
350 ppc-*-rtems*) fmt=elf ;;
351 ppc-*-macos* | ppc-*-mpw*)
352 fmt=coff em=macos ;;
353 ppc-*-netware*) fmt=elf em=ppcnw ;;
354 ppc-*-vxworks*) fmt=elf ;;
355
356 sh-*-elf*) fmt=elf ;;
357 sh-*-coff*) fmt=coff ;;
358 sh-*-pe*) fmt=coff em=pe bfd_gas=yes;;
359 sh-*-rtemself*) fmt=elf ;;
360 sh-*-rtems*) fmt=coff ;;
361
362 ns32k-pc532-mach* | ns32k-pc532-ux*) fmt=aout em=pc532mach ;;
363 ns32k-pc532-netbsd* | ns32k-pc532-lites*) fmt=aout em=nbsd532 ;;
364 ns32k-pc532-openbsd*) fmt=aout em=nbsd532 ;;
365
366 sparc-*-rtems*) fmt=aout ;;
367 sparc-*-sunos4*) fmt=aout em=sun3 ;;
368 sparc-*-aout | sparc*-*-vxworks*)
369 fmt=aout em=sparcaout ;;
370 sparc-*-coff) fmt=coff ;;
371 sparc-*-linux*aout*) fmt=aout em=linux ;;
372 sparc-*-linux-gnu*) fmt=elf em=linux ;;
373 sparc-*-lynxos*) fmt=coff em=lynx ;;
374 sparc-fujitsu-none) fmt=aout ;;
375 sparc-*-elf | sparc-*-sysv4* | sparc-*-solaris*)
376 fmt=elf ;;
377 sparc-*-netbsd*) em=nbsd bfd_gas=yes
378 case ${cpu} in
379 sparc) case ${os} in
380 *elf*) fmt=elf ;;
381 *) fmt=aout ;;
382 esac ;;
383 sparc64) fmt=elf ;;
384 esac
385 ;;
386 sparc-*-openbsd*) fmt=aout em=nbsd ;;
387
388 strongarm-*-coff) fmt=coff ;;
389 strongarm-*-elf) fmt=elf ;;
390
391 tic30-*-*aout*) fmt=aout bfd_gas=yes ;;
392 tic30-*-*coff*) fmt=coff bfd_gas=yes ;;
393 tic80-*-*) fmt=coff ;;
394
395 v850-*-*) fmt=elf bfd_gas=yes ;;
396 v850e-*-*) fmt=elf bfd_gas=yes ;;
397 v850ea-*-*) fmt=elf bfd_gas=yes ;;
398
399 vax-*-bsd* | vax-*-ultrix*)
400 fmt=aout ;;
401 vax-*-vms) fmt=vms ;;
402
403
404 z8k-*-coff | z8k-*-sim)
405 fmt=coff ;;
406
407 w65-*-*) fmt=coff ;;
408
409 *-*-aout | *-*-scout)
410 fmt=aout ;;
411 *-*-nindy*)
412 fmt=bout ;;
413 *-*-bsd*)
414 fmt=aout em=sun3 ;;
415 *-*-generic) fmt=generic ;;
416 *-*-xray | *-*-hms) fmt=coff ;;
417 *-*-sim) fmt=coff ;;
418 *-*-elf | *-*-sysv4* | *-*-solaris*)
419 AC_MSG_WARN(GAS support for ${generic_target} is incomplete.)
420 fmt=elf dev=yes ;;
421 *-*-vxworks) fmt=aout ;;
422 *-*-netware) fmt=elf ;;
423 esac
424
425 if test ${this_target} = $target ; then
426 endian_def=
427 if test x${endian} = xbig; then
428 endian_def=1
429 elif test x${endian} = xlittle; then
430 endian_def=0
431 fi
432 if test x${endian_def} != x; then
433 AC_DEFINE_UNQUOTED(TARGET_BYTES_BIG_ENDIAN, $endian_def,
434 [Define as 1 if big endian.])
435 fi
436 fi
437
438 case ${cpu_type}-${fmt} in
439 alpha*-*) bfd_gas=yes ;;
440 arm-*) bfd_gas=yes ;;
441 # not yet
442 # i386-aout) bfd_gas=preferred ;;
443 ia64*-*) bfd_gas=yes ;;
444 mips-*) bfd_gas=yes ;;
445 ns32k-*) bfd_gas=yes ;;
446 ppc-*) bfd_gas=yes ;;
447 sparc-*) bfd_gas=yes ;;
448 strongarm-*) bfd_gas=yes ;;
449 *-elf) bfd_gas=yes ;;
450 *-ecoff) bfd_gas=yes ;;
451 *-som) bfd_gas=yes ;;
452 #enable bfd for coff and aout to allow testing if a bfd target is
453 #the primary target, but not for coff or aout as the primary target
454 i386-coff) if test x${primary_bfd_gas} = xyes; then bfd_gas=yes; fi ;;
455 i386-aout) if test x${primary_bfd_gas} = xyes; then bfd_gas=yes; fi ;;
456 *) ;;
457 esac
458
459 # Other random stuff.
460
461 # Do we need the opcodes library?
462 case ${cpu_type} in
463 vax | i386 | tic30)
464 ;;
465
466 *)
467 need_opcodes=yes
468
469 case "${enable_shared}" in
470 yes) shared_opcodes=true ;;
471 *opcodes*) shared_opcodes=true ;;
472 *) shared_opcodes=false ;;
473 esac
474 if test "${shared_opcodes}" = "true"; then
475 # A shared libopcodes must be linked against libbfd.
476 need_bfd=yes
477 fi
478 ;;
479 esac
480
481 # Any other special object files needed ?
482 case ${cpu_type} in
483 fr30 | m32r)
484 using_cgen=yes
485 ;;
486
487 m68k)
488 case ${extra_objects} in
489 *m68k-parse.o*) ;;
490 *) extra_objects="$extra_objects m68k-parse.o" ;;
491 esac
492 ;;
493
494 mips)
495 echo ${extra_objects} | grep -s "itbl-parse.o"
496 if test $? -ne 0 ; then
497 extra_objects="$extra_objects itbl-parse.o"
498 fi
499
500 echo ${extra_objects} | grep -s "itbl-lex.o"
501 if test $? -ne 0 ; then
502 extra_objects="$extra_objects itbl-lex.o"
503 fi
504
505 echo ${extra_objects} | grep -s "itbl-ops.o"
506 if test $? -ne 0 ; then
507 extra_objects="$extra_objects itbl-ops.o"
508 fi
509 ;;
510
511 sparc)
512 if test $this_target = $target ; then
513 AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
514 fi
515 ;;
516 *)
517 ;;
518 esac
519
520 if test $using_cgen = yes ; then
521 case "x${extra_objects}" in
522 *cgen.o*) ;;
523 *) extra_objects="$extra_objects cgen.o" ;;
524 esac
525 fi
526
527 # See if we really can support this configuration with the emulation code.
528
529 if test $this_target = $target ; then
530 primary_bfd_gas=$bfd_gas
531 obj_format=$fmt
532 te_file=$em
533
534 if test $bfd_gas = no ; then
535 # Can't support other configurations this way.
536 break
537 fi
538 elif test $bfd_gas = no ; then
539 # Can't support this configuration.
540 break
541 fi
542
543 # From target name and format, produce a list of supported emulations.
544
545 case ${generic_target}-${fmt} in
546 mips-*-irix5*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
547 mips-*-linux-gnu*-*) case "$endian" in
548 big) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
549 *) emulation="mipslelf mipsbelf mipself mipslecoff mipsbecoff mipsecoff" ;;
550 esac ;;
551 mips-*-lnews*-ecoff) ;;
552 mips-*-*-ecoff) case "$endian" in
553 big) emulation="mipsbecoff mipslecoff mipsecoff" ;;
554 *) emulation="mipslecoff mipsbecoff mipsecoff" ;;
555 esac ;;
556 mips-*-*-elf) case "$endian" in
557 big) emulation="mipsbelf mipslelf mipself" ;;
558 *) emulation="mipslelf mipsbelf mipself" ;;
559 esac ;;
560 # i386-pc-pe-coff != i386-pc-coff.
561 i386-*-pe-coff) ;;
562 # Uncommenting the next line will turn on support for i386 AOUT
563 # for the default linux configuration
564 # i386-*-linux*-elf) emulation="i386elf i386aout" ;;
565 #
566 i386-*-aout) emulation="i386aout" ;;
567 i386-*-coff) emulation="i386coff" ;;
568 i386-*-elf) emulation="i386elf" ;;
569 esac
570
571 emulations="$emulations $emulation"
572
573 done
574
575 # Turn on all targets if possible
576 if test ${all_targets} = "yes"; then
577 case ${target_cpu_type} in
578 i386)
579 case ${obj_format} in
580 aout)
581 emulations="$emulations i386coff i386elf"
582 ;;
583 coff)
584 emulations="$emulations i386aout i386elf"
585 ;;
586 elf)
587 emulations="$emulations i386aout i386coff"
588 ;;
589 esac
590 ;;
591 esac
592 fi
593
594 # Assign floating point type. Most processors with FP support
595 # IEEE FP. On those that don't support FP at all, usually IEEE
596 # is emulated.
597 case ${target_cpu} in
598 vax | tahoe ) atof=${target_cpu} ;;
599 *) atof=ieee ;;
600 esac
601
602 case "${obj_format}" in
603 "") AC_MSG_ERROR(GAS does not know what format to use for target ${target}) ;;
604 esac
605
606 # Unfortunately the cpu in cpu-opc.h file isn't always $(TARGET_CPU).
607 cgen_cpu_prefix=""
608 if test $using_cgen = yes ; then
609 case ${target_cpu} in
610 *) cgen_cpu_prefix=${target_cpu} ;;
611 esac
612 AC_SUBST(cgen_cpu_prefix)
613 AC_DEFINE(USING_CGEN, 1, [Using cgen code?])
614 fi
615
616 dnl
617 dnl Make sure the desired support files exist.
618 dnl
619
620 if test ! -r ${srcdir}/config/tc-${target_cpu_type}.c; then
621 AC_MSG_ERROR(GAS does not support target CPU ${target_cpu_type})
622 fi
623
624 if test ! -r ${srcdir}/config/obj-${obj_format}.c; then
625 AC_MSG_ERROR(GAS does not have support for object file format ${obj_format})
626 fi
627
628 case ${user_bfd_gas}-${primary_bfd_gas} in
629 yes-yes | no-no)
630 # We didn't override user's choice.
631 ;;
632 no-yes)
633 AC_MSG_WARN(Use of BFD is required for ${target}; overriding config options.)
634 ;;
635 no-preferred)
636 primary_bfd_gas=no
637 ;;
638 *-preferred)
639 primary_bfd_gas=yes
640 ;;
641 yes-*)
642 primary_bfd_gas=yes
643 ;;
644 -*)
645 # User specified nothing.
646 ;;
647 esac
648
649 # Some COFF configurations want these random other flags set.
650 case ${obj_format} in
651 coff)
652 case ${target_cpu_type} in
653 i386) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
654 m68k) AC_DEFINE(M68KCOFF, 1, [Using m68k COFF?]) ;;
655 m88k) AC_DEFINE(M88KCOFF, 1, [Using m88k COFF?]) ;;
656 esac
657 ;;
658 esac
659
660 # Getting this done right is going to be a bitch. Each configuration specified
661 # with --enable-targets=... should be checked for environment, format, cpu, and
662 # bfd_gas setting.
663 #
664 # For each configuration, the necessary object file support code must be linked
665 # in. This might be only one, it might be up to four. The necessary emulation
666 # code needs to be provided, too.
667 #
668 # And then there's "--enable-targets=all"....
669 #
670 # For now, just always do it for MIPS ELF or ECOFF configurations. Sigh.
671
672 formats="${obj_format}"
673 emfiles=""
674 EMULATIONS=""
675 GAS_UNIQ(emulations)
676 for em in . $emulations ; do
677 case $em in
678 .) continue ;;
679 mipsbelf | mipslelf)
680 fmt=elf file=mipself ;;
681 mipsbecoff | mipslecoff)
682 fmt=ecoff file=mipsecoff ;;
683 *coff)
684 fmt=coff file=$em ;;
685 *aout)
686 fmt=aout file=$em ;;
687 *elf)
688 fmt=elf file=$em ;;
689 esac
690 formats="$formats $fmt"
691 emfiles="$emfiles e-$file.o"
692 EMULATIONS="$EMULATIONS &$em,"
693 done
694 GAS_UNIQ(formats)
695 GAS_UNIQ(emfiles)
696 if test `set . $formats ; shift ; echo $#` -gt 1 ; then
697 for fmt in $formats ; do
698 case $fmt in
699 aout) AC_DEFINE(OBJ_MAYBE_AOUT, 1, [a.out support?]) ;;
700 bout) AC_DEFINE(OBJ_MAYBE_BOUT, 1, [b.out support?]) ;;
701 coff) AC_DEFINE(OBJ_MAYBE_COFF, 1, [COFF support?]) ;;
702 ecoff) AC_DEFINE(OBJ_MAYBE_ECOFF, 1, [ECOFF support?]) ;;
703 elf) AC_DEFINE(OBJ_MAYBE_ELF, 1, [ELF support?]) ;;
704 generic) AC_DEFINE(OBJ_MAYBE_GENERIC, 1, [generic support?]) ;;
705 hp300) AC_DEFINE(OBJ_MAYBE_HP300, 1, [HP300 support?]) ;;
706 ieee) AC_DEFINE(OBJ_MAYBE_IEEE, 1, [IEEE support?]) ;;
707 som) AC_DEFINE(OBJ_MAYBE_SOM, 1, [SOM support?]) ;;
708 vms) AC_DEFINE(OBJ_MAYBE_VMS, 1, [VMS support?]) ;;
709 esac
710 extra_objects="$extra_objects obj-$fmt.o"
711 done
712 obj_format=multi
713 fi
714 if test `set . $emfiles ; shift ; echo $#` -gt 0 ; then
715 DEFAULT_EMULATION=`set . $emulations ; echo $2`
716 # e-mips* has more than one emulation per file, e-i386* has just one at the
717 # moment. If only one emulation is specified, then don't define
718 # USE_EMULATIONS or include any of the e-files as they will only be bloat.
719 case "${obj_format}${emfiles}" in
720 multi* | *mips*)
721 extra_objects="$extra_objects $emfiles"
722 AC_DEFINE(USE_EMULATIONS, 1, [Use emulation support?]) ;;
723 esac
724 fi
725 AC_SUBST(extra_objects)
726 AC_DEFINE_UNQUOTED(EMULATIONS, $EMULATIONS, [Supported emulations.])
727 AC_DEFINE_UNQUOTED(DEFAULT_EMULATION, "$DEFAULT_EMULATION",
728 [Default emulation.])
729
730 case ${primary_bfd_gas}-${target_cpu_type}-${obj_format} in
731 yes-*-coff) need_bfd=yes ;;
732 no-*-coff) need_bfd=yes
733 AC_DEFINE(MANY_SEGMENTS, 1, [old COFF support?]) ;;
734 esac
735
736 reject_dev_configs=yes
737
738 case ${reject_dev_configs}-${dev} in
739 yes-yes) # Oops.
740 AC_MSG_ERROR(GAS does not support the ${generic_target} configuration.)
741 ;;
742 esac
743
744 AC_SUBST(target_cpu_type)
745 AC_SUBST(obj_format)
746 AC_SUBST(te_file)
747 AC_SUBST(install_tooldir)
748 AC_SUBST(atof)
749 dnl AC_SUBST(emulation)
750
751 case "${primary_bfd_gas}" in
752 yes) AC_DEFINE(BFD_ASSEMBLER, 1, [Use BFD interface?])
753 need_bfd=yes ;;
754 esac
755
756 # do we need the opcodes library?
757 case "${need_opcodes}" in
758 yes)
759 OPCODES_LIB=../opcodes/libopcodes.la
760 ;;
761 esac
762
763 case "${need_bfd}" in
764 yes)
765 BFDLIB=../bfd/libbfd.la
766 ALL_OBJ_DEPS="$ALL_OBJ_DEPS ../bfd/bfd.h"
767 ;;
768 esac
769
770 AC_SUBST(BFDLIB)
771 AC_SUBST(OPCODES_LIB)
772
773 AC_SUBST(ALL_OBJ_DEPS)
774
775 AC_DEFINE_UNQUOTED(TARGET_ALIAS, "${target_alias}", [Target alias.])
776 AC_DEFINE_UNQUOTED(TARGET_CANONICAL, "${target}", [Canonical target.])
777 AC_DEFINE_UNQUOTED(TARGET_CPU, "${target_cpu}", [Target CPU.])
778 AC_DEFINE_UNQUOTED(TARGET_VENDOR, "${target_vendor}", [Target vendor.])
779 AC_DEFINE_UNQUOTED(TARGET_OS, "${target_os}", [Target OS.])
780
781 AC_PROG_CC
782
783 AC_PROG_YACC
784 AM_PROG_LEX
785
786 ALL_LINGUAS=
787 CY_GNU_GETTEXT
788
789 AM_MAINTAINER_MODE
790 AC_EXEEXT
791
792 AC_CHECK_HEADERS(string.h stdlib.h memory.h strings.h unistd.h stdarg.h varargs.h errno.h sys/types.h)
793
794 # Put this here so that autoconf's "cross-compiling" message doesn't confuse
795 # people who are not cross-compiling but are compiling cross-assemblers.
796 AC_MSG_CHECKING(whether compiling a cross-assembler)
797 if test "${host}" = "${target}"; then
798 cross_gas=no
799 else
800 cross_gas=yes
801 AC_DEFINE(CROSS_COMPILE, 1, [Compiling cross-assembler?])
802 fi
803 AC_MSG_RESULT($cross_gas)
804
805 dnl ansidecl.h will deal with const
806 dnl AC_CONST
807 AC_FUNC_ALLOCA
808 AC_C_INLINE
809
810 # VMS doesn't have unlink.
811 AC_CHECK_FUNCS(unlink remove, break)
812
813 # Some systems don't have sbrk().
814 AC_CHECK_FUNCS(sbrk)
815
816 # Some non-ANSI preprocessors botch requoting inside strings. That's bad
817 # enough, but on some of those systems, the assert macro relies on requoting
818 # working properly!
819 GAS_WORKING_ASSERT
820
821 # On some systems, the system header files may not declare malloc, realloc,
822 # and free. There are places where gas needs these functions to have been
823 # declared -- such as when taking their addresses.
824 gas_test_headers="
825 #ifdef HAVE_MEMORY_H
826 #include <memory.h>
827 #endif
828 #ifdef HAVE_STRING_H
829 #include <string.h>
830 #else
831 #ifdef HAVE_STRINGS_H
832 #include <strings.h>
833 #endif
834 #endif
835 #ifdef HAVE_STDLIB_H
836 #include <stdlib.h>
837 #endif
838 #ifdef HAVE_UNISTD_H
839 #include <unistd.h>
840 #endif
841 "
842 GAS_CHECK_DECL_NEEDED(strstr, f, char *(*f)(), $gas_test_headers)
843 GAS_CHECK_DECL_NEEDED(malloc, f, char *(*f)(), $gas_test_headers)
844 GAS_CHECK_DECL_NEEDED(free, f, void (*f)(), $gas_test_headers)
845 GAS_CHECK_DECL_NEEDED(sbrk, f, char *(*f)(), $gas_test_headers)
846 GAS_CHECK_DECL_NEEDED(environ, f, char **f, $gas_test_headers)
847
848 # Does errno.h declare errno, or do we have to add a separate declaration
849 # for it?
850 GAS_CHECK_DECL_NEEDED(errno, f, int f, [
851 #ifdef HAVE_ERRNO_H
852 #include <errno.h>
853 #endif
854 ])
855
856 dnl This must come last.
857
858 dnl We used to make symlinks to files in the source directory, but now
859 dnl we just use the right name for .c files, and create .h files in
860 dnl the build directory which include the right .h file. Make sure
861 dnl the old symlinks don't exist, so that a reconfigure in an existing
862 dnl directory behaves reasonably.
863
864 AC_OUTPUT(Makefile doc/Makefile ${GDBINIT}:gdbinit.in po/Makefile.in:po/Make-in,
865 [rm -f targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c itbl-cpu.h
866 echo '#include "tc-'"${target_cpu_type}"'.h"' > targ-cpu.h
867 echo '#include "obj-'"${obj_format}"'.h"' > obj-format.h
868 echo '#include "te-'"${te_file}"'.h"' > targ-env.h
869 echo '#include "itbl-'"${target_cpu_type}"'.h"' > itbl-cpu.h
870 if test "x$cgen_cpu_prefix" != x ; then
871 echo '#include "opcodes/'"${cgen_cpu_prefix}"'-desc.h"' > cgen-desc.h
872 fi
873
874 sed -e '/POTFILES =/r po/POTFILES' po/Makefile.in > po/Makefile],
875 [target_cpu_type=${target_cpu_type}
876 cgen_cpu_prefix=${cgen_cpu_prefix}
877 obj_format=${obj_format}
878 te_file=${te_file}])
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