3ce0aa9196d184cbe2f46720297146a8741aab44
[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 AC_ISC_POSIX
13
14 changequote(,)dnl
15 BFD_VERSION=`sed -n -e 's/^.._INIT_AUTOMAKE.*,[ ]*\([^ ]*\)[ ]*).*/\1/p' < ${srcdir}/../bfd/configure.in`
16 changequote([,])dnl
17 AM_INIT_AUTOMAKE(gas, ${BFD_VERSION})
18
19 AM_PROG_LIBTOOL
20
21 user_bfd_gas=
22 AC_ARG_ENABLE(bfd-assembler,
23 [ --enable-bfd-assembler use BFD back end for writing object files],
24 [case "${enableval}" in
25 yes) need_bfd=yes user_bfd_gas=yes ;;
26 no) user_bfd_gas=no ;;
27 *) AC_MSG_ERROR(bad value ${enableval} given for bfd-assembler option) ;;
28 esac])dnl
29 AC_ARG_ENABLE(targets,
30 [ targets alternative target configurations besides the primary],
31 [case "${enableval}" in
32 yes | "") AC_ERROR(enable-targets option must specify target names or 'all')
33 ;;
34 no) enable_targets= ;;
35 *) enable_targets=$enableval ;;
36 esac])dnl
37 AC_ARG_ENABLE(commonbfdlib,
38 [ --enable-commonbfdlib build shared BFD/opcodes/libiberty library],
39 [case "${enableval}" in
40 yes) commonbfdlib=true ;;
41 no) commonbfdlib=false ;;
42 *) AC_MSG_ERROR([bad value ${enableval} for BFD commonbfdlib option]) ;;
43 esac])dnl
44
45 using_cgen=no
46
47 build_warnings="-W -Wall"
48 AC_ARG_ENABLE(build-warnings,
49 [ --enable-build-warnings Enable build-time compiler warnings if gcc is used],
50 [case "${enableval}" in
51 yes) ;;
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"`;;
58 esac
59 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
60 echo "Setting warning flags = $build_warnings" 6>&1
61 fi])dnl
62 WARN_CFLAGS=""
63 if test "x${build_warnings}" != x -a "x$GCC" = xyes ; then
64 WARN_CFLAGS="${build_warnings}"
65 fi
66 AC_SUBST(WARN_CFLAGS)
67
68 # Generate a header file
69 AM_CONFIG_HEADER(config.h:config.in)
70
71 # If we are on a DOS filesystem, we must use gdb.ini rather than
72 # .gdbinit.
73 GDBINIT=".gdbinit"
74 case "${host}" in
75 *-*-msdos* | *-*-go32* | *-*-mingw32* | *-*-cygwin* | *-*-windows*)
76 GDBINIT="gdb.ini"
77 ;;
78 esac
79 AC_SUBST(GDBINIT)
80
81 te_file=generic
82
83 # Makefile target for installing gas in $(tooldir)/bin.
84 install_tooldir=install-exec-tooldir
85
86 canon_targets=""
87 all_targets=no
88 if test -n "$enable_targets" ; then
89 for t in `echo $enable_targets | sed 's/,/ /g'`; do
90 if test $t = "all"; then
91 all_targets=yes
92 continue
93 fi
94 result=`$ac_config_sub $t 2>/dev/null`
95 if test -n "$result" ; then
96 canon_targets="$canon_targets $result"
97 # else
98 # # Permit "all", etc. We don't support it yet though.
99 # canon_targets="$canon_targets $t"
100 fi
101 done
102 GAS_UNIQ(canon_targets)
103 fi
104
105 emulations=""
106
107 for this_target in $target $canon_targets ; do
108
109 changequote(,)dnl
110 eval `echo $this_target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/cpu=\1 vendor=\2 os=\3/'`
111 changequote([,])dnl
112
113 # check for architecture variants
114 arch=
115 endian=
116 case ${cpu} in
117 alpha*) cpu_type=alpha ;;
118 armeb) cpu_type=arm endian=big ;;
119 arm*) cpu_type=arm endian=little ;;
120 armb*) cpu_type=arm endian=little ;;
121 armv*l) cpu_type=arm endian=little ;;
122 armv*b) cpu_type=arm endian=big ;;
123 xscale*) cpu_type=arm endian=little ;;
124 strongarm*) cpu_type=arm endian=little ;;
125 thumb*) cpu_type=arm endian=little ;;
126 hppa*) cpu_type=hppa ;;
127 changequote(,)dnl
128 i[3456]86) cpu_type=i386 arch=i386;;
129 x86_64) cpu_type=i386 arch=x86_64;;
130 ia64) cpu_type=ia64 ;;
131 m6811|m6812|m68hc12) cpu_type=m68hc11 ;;
132 m680[012346]0) cpu_type=m68k ;;
133 changequote([,])dnl
134 m68008) cpu_type=m68k ;;
135 m683??) cpu_type=m68k ;;
136 m5200) cpu_type=m68k ;;
137 m8*) cpu_type=m88k ;;
138 mips*el) cpu_type=mips endian=little ;;
139 mips*) cpu_type=mips endian=big ;;
140 pjl*) cpu_type=pj endian=little ;;
141 pj*) cpu_type=pj endian=big ;;
142 powerpcle*) cpu_type=ppc endian=little ;;
143 powerpc*) cpu_type=ppc endian=big ;;
144 rs6000*) cpu_type=ppc ;;
145 s390x*) cpu_type=s390 arch=s390x ;;
146 s390*) cpu_type=s390 arch=s390 ;;
147 sparclite*) cpu_type=sparc arch=sparclite ;;
148 sparclet*) cpu_type=sparc arch=sparclet ;;
149 sparc64*) cpu_type=sparc arch=v9-64 ;;
150 sparc86x*) cpu_type=sparc arch=sparc86x ;;
151 sparc*) cpu_type=sparc arch=sparclite ;; # ??? See tc-sparc.c.
152 v850*) cpu_type=v850 ;;
153 *) cpu_type=${cpu} ;;
154 esac
155
156 if test ${this_target} = $target ; then
157 target_cpu_type=${cpu_type}
158 elif test ${target_cpu_type} != ${cpu_type} ; then
159 continue
160 fi
161
162 generic_target=${cpu_type}-$vendor-$os
163 dev=no
164 bfd_gas=no
165 em=generic
166
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 ;;
175
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 ;;
183
184 arc-*-elf*) fmt=elf bfd_gas=yes ;;
185
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*)
193 fmt=elf em=linux ;;
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 ;;
201
202 avr-*-*) fmt=elf bfd_gas=yes ;;
203
204 cris-*-*) fmt=multi bfd_gas=yes ;;
205
206 d10v-*-*) fmt=elf bfd_gas=yes ;;
207 d30v-*-*) fmt=elf bfd_gas=yes ;;
208
209
210 fr30-*-*) fmt=elf bfd_gas=yes ;;
211
212 hppa-*-linux-gnu*) case ${cpu} in
213 hppa*64*)
214 fmt=elf em=hppalinux64;;
215 hppa*)
216 fmt=elf em=linux;;
217 esac ;;
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
223 hppa*64*)
224 fmt=elf em=hppa64 ;;
225 hppa*)
226 fmt=som em=hppa ;;
227 esac ;;
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 ;;
232
233 h8300-*-rtems*) fmt=coff ;;
234 h8300-*-coff) fmt=coff ;;
235 h8500-*-rtems*) fmt=coff ;;
236 h8500-*-coff) fmt=coff ;;
237
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-*-linuxoldld) 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 ;;
252 changequote(,)dnl
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 ;;
257 changequote([,])dnl
258 i386-*-coff | i386-*-sysv* | i386-*-sco3.2v5*coff | i386-*-isc*)
259 fmt=coff ;;
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.])
264 fi
265 ;;
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?])
271 ;;
272 i386-*-rtemself*) fmt=elf ;;
273 i386-*-rtems*) fmt=coff ;;
274 i386-*-gnu*) fmt=elf ;;
275 i386-*-mach*)
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 ;;
298
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 ;;
303
304 m32r-*-*) fmt=elf bfd_gas=yes ;;
305
306 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)fmt=elf bfd_gas=yes ;;
307
308 m68k-*-vxworks* | m68k-ericsson-ose | m68k-*-sunos*)
309 fmt=aout em=sun3 ;;
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*
314 fmt=elf em=svr4 ;;
315 m68k-*-elf*) fmt=elf ;;
316 m68k-*-coff | m68k-*-sysv* | m68k-*-rtems*)
317 fmt=coff ;;
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;;
327
328 m88k-motorola-sysv3*) fmt=coff em=delt88 ;;
329 m88k-*-coff*) fmt=coff ;;
330
331 mcore-*-elf) fmt=elf bfd_gas=yes ;;
332 mcore-*-pe) fmt=coff em=pe bfd_gas=yes ;;
333
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 ;;
349 mips-*-sysv4*MP* | mips-*-linux-gnu* | mips-*-gnu*)
350 fmt=elf em=tmips ;;
351 mips-*-sysv*) fmt=ecoff ;;
352 mips-*-elf* | mips-*-rtems* | mips-*-openbsd*)
353 fmt=elf ;;
354 mips-*-vxworks*) fmt=elf
355 AC_DEFINE(MIPS_STABS_ELF, 1,
356 [Use ELF stabs for MIPS, not ECOFF stabs])
357 ;;
358 mn10200-*-*) fmt=elf bfd_gas=yes ;;
359 mn10300-*-*) fmt=elf bfd_gas=yes ;;
360 openrisc-*-*) fmt=elf bfd_gas=yes ;;
361 pj*) fmt=elf ;;
362 ppc-*-pe | ppc-*-cygwin* | ppc-*-winnt*)
363 fmt=coff em=pe ;;
364 ppc-*-aix*) fmt=coff ;;
365 ppc-*-beos*) fmt=coff ;;
366 ppc-*-*bsd* | ppc-*-elf* | ppc-*-eabi* | ppc-*-sysv4*)
367 fmt=elf ;;
368 ppc-*-linux-gnu*) fmt=elf
369 case "$endian" in
370 big) ;;
371 *) AC_MSG_ERROR(GNU/Linux must be configured big endian) ;;
372 esac
373 ;;
374 ppc-*-solaris*) fmt=elf
375 if test ${this_target} = $target; then
376 AC_DEFINE(TARGET_SOLARIS_COMMENT, 1,
377 [Define if default target is PowerPC Solaris.])
378 fi
379 if test x${endian} = xbig; then
380 AC_MSG_ERROR(Solaris must be configured little endian)
381 fi
382 ;;
383 ppc-*-rtems*) fmt=elf ;;
384 ppc-*-macos* | ppc-*-mpw*)
385 fmt=coff em=macos ;;
386 ppc-*-netware*) fmt=elf em=ppcnw ;;
387 ppc-*-vxworks*) fmt=elf ;;
388
389 s390x-*-linux-gnu*) fmt=elf em=linux ;;
390 s390-*-linux-gnu*) fmt=elf em=linux ;;
391
392 sh-*-linux*) fmt=elf em=linux ;;
393 sh-*-elf*) fmt=elf ;;
394 sh-*-coff*) fmt=coff bfd_gas=yes;;
395 sh-*-pe*) fmt=coff em=pe bfd_gas=yes;;
396 sh-*-rtemself*) fmt=elf ;;
397 sh-*-rtems*) fmt=coff bfd_gas=yes;;
398
399 ns32k-pc532-mach* | ns32k-pc532-ux*) fmt=aout em=pc532mach ;;
400 ns32k-pc532-netbsd* | ns32k-pc532-lites*) fmt=aout em=nbsd532 ;;
401 ns32k-pc532-openbsd*) fmt=aout em=nbsd532 ;;
402
403 sparc-*-rtemsaout*) fmt=aout ;;
404 sparc-*-rtemself*) fmt=elf ;;
405 sparc-*-rtems*) fmt=elf ;;
406 sparc-*-sunos4*) fmt=aout em=sun3 ;;
407 sparc-*-aout | sparc*-*-vxworks*)
408 fmt=aout em=sparcaout ;;
409 sparc-*-coff) fmt=coff ;;
410 sparc-*-linux*aout*) fmt=aout em=linux ;;
411 sparc-*-linux-gnu*) fmt=elf em=linux ;;
412 sparc-*-lynxos*) fmt=coff em=lynx ;;
413 sparc-fujitsu-none) fmt=aout ;;
414 sparc-*-elf | sparc-*-sysv4* | sparc-*-solaris*)
415 fmt=elf ;;
416 sparc-*-netbsd*) em=nbsd bfd_gas=yes
417 case ${cpu} in
418 sparc) case ${os} in
419 *elf*) fmt=elf ;;
420 *) fmt=aout ;;
421 esac ;;
422 sparc64) fmt=elf ;;
423 esac
424 ;;
425 sparc-*-openbsd*) fmt=aout em=nbsd ;;
426
427 strongarm-*-coff) fmt=coff ;;
428 strongarm-*-elf) fmt=elf ;;
429 xscale-*-coff) fmt=coff ;;
430 xscale-*-elf) fmt=elf ;;
431
432 tic30-*-*aout*) fmt=aout bfd_gas=yes ;;
433 tic30-*-*coff*) fmt=coff bfd_gas=yes ;;
434 tic54x-*-* | c54x*-*-*)
435 fmt=coff bfd_gas=yes need_libm=yes;;
436 tic80-*-*) fmt=coff ;;
437
438 v850-*-*) fmt=elf bfd_gas=yes ;;
439 v850e-*-*) fmt=elf bfd_gas=yes ;;
440 v850ea-*-*) fmt=elf bfd_gas=yes ;;
441
442 vax-*-bsd* | vax-*-ultrix*)
443 fmt=aout ;;
444 vax-*-vms) fmt=vms ;;
445
446
447 z8k-*-coff | z8k-*-sim)
448 fmt=coff ;;
449
450 w65-*-*) fmt=coff ;;
451
452 *-*-aout | *-*-scout)
453 fmt=aout ;;
454 *-*-freebsd*) fmt=elf em=freebsd bfd_gas=yes ;;
455 *-*-nindy*)
456 fmt=bout ;;
457 *-*-bsd*)
458 fmt=aout em=sun3 ;;
459 *-*-generic) fmt=generic ;;
460 *-*-xray | *-*-hms) fmt=coff ;;
461 *-*-sim) fmt=coff ;;
462 *-*-elf | *-*-sysv4* | *-*-solaris*)
463 AC_MSG_WARN(GAS support for ${generic_target} is incomplete.)
464 fmt=elf dev=yes ;;
465 *-*-vxworks) fmt=aout ;;
466 *-*-netware) fmt=elf ;;
467 esac
468
469 if test ${this_target} = $target ; then
470 endian_def=
471 if test x${endian} = xbig; then
472 endian_def=1
473 elif test x${endian} = xlittle; then
474 endian_def=0
475 fi
476 if test x${endian_def} != x; then
477 AC_DEFINE_UNQUOTED(TARGET_BYTES_BIG_ENDIAN, $endian_def,
478 [Define as 1 if big endian.])
479 fi
480 fi
481
482 case ${cpu_type}-${fmt} in
483 alpha*-*) bfd_gas=yes ;;
484 arm-*) bfd_gas=yes ;;
485 # not yet
486 # i386-aout) bfd_gas=preferred ;;
487 ia64*-*) bfd_gas=yes ;;
488 mips-*) bfd_gas=yes ;;
489 ns32k-*) bfd_gas=yes ;;
490 pdp11-*) bfd_gas=yes ;;
491 ppc-*) bfd_gas=yes ;;
492 sparc-*) bfd_gas=yes ;;
493 strongarm-*) bfd_gas=yes ;;
494 xscale-*) bfd_gas=yes ;;
495 *-elf) bfd_gas=yes ;;
496 *-ecoff) bfd_gas=yes ;;
497 *-som) bfd_gas=yes ;;
498 #enable bfd for coff and aout to allow testing if a bfd target is
499 #the primary target, but not for coff or aout as the primary target
500 i386-coff) if test x${primary_bfd_gas} = xyes; then bfd_gas=yes; fi ;;
501 i386-aout) if test x${primary_bfd_gas} = xyes; then bfd_gas=yes; fi ;;
502 *) ;;
503 esac
504
505 # Other random stuff.
506
507 # Do we need the opcodes library?
508 case ${cpu_type} in
509 vax | i386 | tic30)
510 ;;
511
512 *)
513 need_opcodes=yes
514
515 case "${enable_shared}" in
516 yes) shared_opcodes=true ;;
517 *opcodes*) shared_opcodes=true ;;
518 *) shared_opcodes=false ;;
519 esac
520 if test "${shared_opcodes}" = "true"; then
521 # A shared libopcodes must be linked against libbfd.
522 need_bfd=yes
523 fi
524 ;;
525 esac
526
527 # Any other special object files needed ?
528 case ${cpu_type} in
529 fr30 | m32r | openrisc)
530 using_cgen=yes
531 ;;
532
533 m68k)
534 case ${extra_objects} in
535 *m68k-parse.o*) ;;
536 *) extra_objects="$extra_objects m68k-parse.o" ;;
537 esac
538 ;;
539
540 s390)
541 if test $this_target = $target ; then
542 AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
543 fi
544 ;;
545
546 mips)
547 echo ${extra_objects} | grep -s "itbl-parse.o"
548 if test $? -ne 0 ; then
549 extra_objects="$extra_objects itbl-parse.o"
550 fi
551
552 echo ${extra_objects} | grep -s "itbl-lex.o"
553 if test $? -ne 0 ; then
554 extra_objects="$extra_objects itbl-lex.o"
555 fi
556
557 echo ${extra_objects} | grep -s "itbl-ops.o"
558 if test $? -ne 0 ; then
559 extra_objects="$extra_objects itbl-ops.o"
560 fi
561 ;;
562
563 i386)
564 if test $this_target = $target ; then
565 AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
566 fi
567 ;;
568 sparc)
569 if test $this_target = $target ; then
570 AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
571 fi
572 ;;
573 *)
574 ;;
575 esac
576
577 if test $using_cgen = yes ; then
578 case "x${extra_objects}" in
579 *cgen.o*) ;;
580 *) extra_objects="$extra_objects cgen.o" ;;
581 esac
582 fi
583
584 # See if we really can support this configuration with the emulation code.
585
586 if test $this_target = $target ; then
587 primary_bfd_gas=$bfd_gas
588 obj_format=$fmt
589 te_file=$em
590
591 if test $bfd_gas = no ; then
592 # Can't support other configurations this way.
593 break
594 fi
595 elif test $bfd_gas = no ; then
596 # Can't support this configuration.
597 break
598 fi
599
600 # From target name and format, produce a list of supported emulations.
601
602 case ${generic_target}-${fmt} in
603 mips-*-irix5*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
604 mips-*-linux-gnu*-*) case "$endian" in
605 big) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
606 *) emulation="mipslelf mipsbelf mipself mipslecoff mipsbecoff mipsecoff" ;;
607 esac ;;
608 mips-*-lnews*-ecoff) ;;
609 mips-*-*-ecoff) case "$endian" in
610 big) emulation="mipsbecoff mipslecoff mipsecoff" ;;
611 *) emulation="mipslecoff mipsbecoff mipsecoff" ;;
612 esac ;;
613 mips-*-*-elf) case "$endian" in
614 big) emulation="mipsbelf mipslelf mipself" ;;
615 *) emulation="mipslelf mipsbelf mipself" ;;
616 esac ;;
617 mips-*-sysv4*MP*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
618 # i386-pc-pe-coff != i386-pc-coff.
619 i386-*-pe-coff) ;;
620 # Uncommenting the next line will turn on support for i386 AOUT
621 # for the default linux configuration
622 # i386-*-linux*-elf) emulation="i386elf i386aout" ;;
623 #
624 i386-*-aout) emulation="i386aout" ;;
625 i386-*-coff) emulation="i386coff" ;;
626 i386-*-elf) emulation="i386elf" ;;
627
628 # Always all formats. The first stated emulation becomes the default.
629 cris-*-*aout*) emulation="crisaout criself" ;;
630 cris-*-*) emulation="criself crisaout" ;;
631 esac
632
633 emulations="$emulations $emulation"
634
635 done
636
637 # Turn on all targets if possible
638 if test ${all_targets} = "yes"; then
639 case ${target_cpu_type} in
640 i386)
641 case ${obj_format} in
642 aout)
643 emulations="$emulations i386coff i386elf"
644 ;;
645 coff)
646 emulations="$emulations i386aout i386elf"
647 ;;
648 elf)
649 emulations="$emulations i386aout i386coff"
650 ;;
651 esac
652 ;;
653 esac
654 fi
655
656 # Assign floating point type. Most processors with FP support
657 # IEEE FP. On those that don't support FP at all, usually IEEE
658 # is emulated.
659 case ${target_cpu} in
660 vax | tahoe ) atof=${target_cpu} ;;
661 pdp11) atof=vax ;;
662 *) atof=ieee ;;
663 esac
664
665 case "${obj_format}" in
666 "") AC_MSG_ERROR(GAS does not know what format to use for target ${target}) ;;
667 esac
668
669 # Unfortunately the cpu in cpu-opc.h file isn't always $(TARGET_CPU).
670 cgen_cpu_prefix=""
671 if test $using_cgen = yes ; then
672 case ${target_cpu} in
673 *) cgen_cpu_prefix=${target_cpu} ;;
674 esac
675 AC_SUBST(cgen_cpu_prefix)
676 AC_DEFINE(USING_CGEN, 1, [Using cgen code?])
677 fi
678
679 dnl
680 dnl Make sure the desired support files exist.
681 dnl
682
683 if test ! -r ${srcdir}/config/tc-${target_cpu_type}.c; then
684 AC_MSG_ERROR(GAS does not support target CPU ${target_cpu_type})
685 fi
686
687 if test ! -r ${srcdir}/config/obj-${obj_format}.c; then
688 AC_MSG_ERROR(GAS does not have support for object file format ${obj_format})
689 fi
690
691 case ${user_bfd_gas}-${primary_bfd_gas} in
692 yes-yes | no-no)
693 # We didn't override user's choice.
694 ;;
695 no-yes)
696 AC_MSG_WARN(Use of BFD is required for ${target}; overriding config options.)
697 ;;
698 no-preferred)
699 primary_bfd_gas=no
700 ;;
701 *-preferred)
702 primary_bfd_gas=yes
703 ;;
704 yes-*)
705 primary_bfd_gas=yes
706 ;;
707 -*)
708 # User specified nothing.
709 ;;
710 esac
711
712 # Some COFF configurations want these random other flags set.
713 case ${obj_format} in
714 coff)
715 case ${target_cpu_type} in
716 i386) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
717 m68k) AC_DEFINE(M68KCOFF, 1, [Using m68k COFF?]) ;;
718 m88k) AC_DEFINE(M88KCOFF, 1, [Using m88k COFF?]) ;;
719 esac
720 ;;
721 esac
722
723 # Getting this done right is going to be a bitch. Each configuration specified
724 # with --enable-targets=... should be checked for environment, format, cpu, and
725 # bfd_gas setting.
726 #
727 # For each configuration, the necessary object file support code must be linked
728 # in. This might be only one, it might be up to four. The necessary emulation
729 # code needs to be provided, too.
730 #
731 # And then there's "--enable-targets=all"....
732 #
733 # For now, just always do it for MIPS ELF or ECOFF configurations. Sigh.
734
735 formats="${obj_format}"
736 emfiles=""
737 EMULATIONS=""
738 GAS_UNIQ(emulations)
739 for em in . $emulations ; do
740 case $em in
741 .) continue ;;
742 mipsbelf | mipslelf | mipself)
743 fmt=elf file=mipself ;;
744 mipsbecoff | mipslecoff | mipsecoff)
745 fmt=ecoff file=mipsecoff ;;
746 *coff)
747 fmt=coff file=$em ;;
748 *aout)
749 fmt=aout file=$em ;;
750 *elf)
751 fmt=elf file=$em ;;
752 esac
753 formats="$formats $fmt"
754 emfiles="$emfiles e-$file.o"
755 EMULATIONS="$EMULATIONS &$em,"
756 done
757 GAS_UNIQ(formats)
758 GAS_UNIQ(emfiles)
759 if test `set . $formats ; shift ; echo $#` -gt 1 ; then
760 for fmt in $formats ; do
761 case $fmt in
762 aout) AC_DEFINE(OBJ_MAYBE_AOUT, 1, [a.out support?]) ;;
763 bout) AC_DEFINE(OBJ_MAYBE_BOUT, 1, [b.out support?]) ;;
764 coff) AC_DEFINE(OBJ_MAYBE_COFF, 1, [COFF support?]) ;;
765 ecoff) AC_DEFINE(OBJ_MAYBE_ECOFF, 1, [ECOFF support?]) ;;
766 elf) AC_DEFINE(OBJ_MAYBE_ELF, 1, [ELF support?]) ;;
767 generic) AC_DEFINE(OBJ_MAYBE_GENERIC, 1, [generic support?]) ;;
768 hp300) AC_DEFINE(OBJ_MAYBE_HP300, 1, [HP300 support?]) ;;
769 ieee) AC_DEFINE(OBJ_MAYBE_IEEE, 1, [IEEE support?]) ;;
770 som) AC_DEFINE(OBJ_MAYBE_SOM, 1, [SOM support?]) ;;
771 vms) AC_DEFINE(OBJ_MAYBE_VMS, 1, [VMS support?]) ;;
772 esac
773 extra_objects="$extra_objects obj-$fmt.o"
774 done
775 obj_format=multi
776 fi
777 if test `set . $emfiles ; shift ; echo $#` -gt 0 ; then
778 DEFAULT_EMULATION=`set . $emulations ; echo $2`
779 # e-mips* has more than one emulation per file, e-i386* has just one at the
780 # moment. If only one emulation is specified, then don't define
781 # USE_EMULATIONS or include any of the e-files as they will only be bloat.
782 case "${obj_format}${emfiles}" in
783 multi* | *mips*)
784 extra_objects="$extra_objects $emfiles"
785 AC_DEFINE(USE_EMULATIONS, 1, [Use emulation support?]) ;;
786 esac
787 fi
788 AC_SUBST(extra_objects)
789 AC_DEFINE_UNQUOTED(EMULATIONS, $EMULATIONS, [Supported emulations.])
790 AC_DEFINE_UNQUOTED(DEFAULT_EMULATION, "$DEFAULT_EMULATION",
791 [Default emulation.])
792
793 case ${primary_bfd_gas}-${target_cpu_type}-${obj_format} in
794 yes-*-coff) need_bfd=yes ;;
795 no-*-coff) need_bfd=yes
796 AC_DEFINE(MANY_SEGMENTS, 1, [old COFF support?]) ;;
797 esac
798
799 reject_dev_configs=yes
800
801 case ${reject_dev_configs}-${dev} in
802 yes-yes) # Oops.
803 AC_MSG_ERROR(GAS does not support the ${generic_target} configuration.)
804 ;;
805 esac
806
807 AC_SUBST(target_cpu_type)
808 AC_SUBST(obj_format)
809 AC_SUBST(te_file)
810 AC_SUBST(install_tooldir)
811 AC_SUBST(atof)
812 dnl AC_SUBST(emulation)
813
814 case "${primary_bfd_gas}" in
815 yes) AC_DEFINE(BFD_ASSEMBLER, 1, [Use BFD interface?])
816 need_bfd=yes ;;
817 esac
818
819 # do we need the opcodes library?
820 case "${need_opcodes}" in
821 yes)
822 OPCODES_LIB=../opcodes/libopcodes.la
823 ;;
824 esac
825
826 case "${need_bfd}" in
827 yes)
828 BFDLIB=../bfd/libbfd.la
829 ALL_OBJ_DEPS="$ALL_OBJ_DEPS ../bfd/bfd.h"
830 ;;
831 esac
832
833 AC_SUBST(BFDLIB)
834 AC_SUBST(OPCODES_LIB)
835
836 AC_SUBST(ALL_OBJ_DEPS)
837
838 AC_DEFINE_UNQUOTED(TARGET_ALIAS, "${target_alias}", [Target alias.])
839 AC_DEFINE_UNQUOTED(TARGET_CANONICAL, "${target}", [Canonical target.])
840 AC_DEFINE_UNQUOTED(TARGET_CPU, "${target_cpu}", [Target CPU.])
841 AC_DEFINE_UNQUOTED(TARGET_VENDOR, "${target_vendor}", [Target vendor.])
842 AC_DEFINE_UNQUOTED(TARGET_OS, "${target_os}", [Target OS.])
843
844 AC_PROG_CC
845
846 AC_PROG_YACC
847 AM_PROG_LEX
848
849 ALL_LINGUAS=
850 CY_GNU_GETTEXT
851
852 AM_MAINTAINER_MODE
853 AC_EXEEXT
854
855 AC_CHECK_HEADERS(string.h stdlib.h memory.h strings.h unistd.h stdarg.h varargs.h errno.h sys/types.h)
856
857 # Put this here so that autoconf's "cross-compiling" message doesn't confuse
858 # people who are not cross-compiling but are compiling cross-assemblers.
859 AC_MSG_CHECKING(whether compiling a cross-assembler)
860 if test "${host}" = "${target}"; then
861 cross_gas=no
862 else
863 cross_gas=yes
864 AC_DEFINE(CROSS_COMPILE, 1, [Compiling cross-assembler?])
865 fi
866 AC_MSG_RESULT($cross_gas)
867
868 dnl ansidecl.h will deal with const
869 dnl AC_CONST
870 AC_FUNC_ALLOCA
871 AC_C_INLINE
872
873 # VMS doesn't have unlink.
874 AC_CHECK_FUNCS(unlink remove, break)
875
876 # Some systems don't have sbrk().
877 AC_CHECK_FUNCS(sbrk)
878
879 # do we need the math library?
880 case "${need_libm}" in
881 yes)
882 AC_CHECK_LIBM
883 AC_SUBST(LIBM)
884 ;;
885 esac
886
887 # Some non-ANSI preprocessors botch requoting inside strings. That's bad
888 # enough, but on some of those systems, the assert macro relies on requoting
889 # working properly!
890 GAS_WORKING_ASSERT
891
892 # On some systems, the system header files may not declare malloc, realloc,
893 # and free. There are places where gas needs these functions to have been
894 # declared -- such as when taking their addresses.
895 gas_test_headers="
896 #ifdef HAVE_MEMORY_H
897 #include <memory.h>
898 #endif
899 #ifdef HAVE_STRING_H
900 #include <string.h>
901 #else
902 #ifdef HAVE_STRINGS_H
903 #include <strings.h>
904 #endif
905 #endif
906 #ifdef HAVE_STDLIB_H
907 #include <stdlib.h>
908 #endif
909 #ifdef HAVE_UNISTD_H
910 #include <unistd.h>
911 #endif
912 "
913 GAS_CHECK_DECL_NEEDED(strstr, f, char *(*f)(), $gas_test_headers)
914 GAS_CHECK_DECL_NEEDED(malloc, f, char *(*f)(), $gas_test_headers)
915 GAS_CHECK_DECL_NEEDED(free, f, void (*f)(), $gas_test_headers)
916 GAS_CHECK_DECL_NEEDED(sbrk, f, char *(*f)(), $gas_test_headers)
917 GAS_CHECK_DECL_NEEDED(environ, f, char **f, $gas_test_headers)
918
919 # Does errno.h declare errno, or do we have to add a separate declaration
920 # for it?
921 GAS_CHECK_DECL_NEEDED(errno, f, int f, [
922 #ifdef HAVE_ERRNO_H
923 #include <errno.h>
924 #endif
925 ])
926
927 dnl This must come last.
928
929 dnl We used to make symlinks to files in the source directory, but now
930 dnl we just use the right name for .c files, and create .h files in
931 dnl the build directory which include the right .h file. Make sure
932 dnl the old symlinks don't exist, so that a reconfigure in an existing
933 dnl directory behaves reasonably.
934
935 AC_OUTPUT(Makefile doc/Makefile ${GDBINIT}:gdbinit.in po/Makefile.in:po/Make-in,
936 [rm -f targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c itbl-cpu.h
937 echo '#include "tc-'"${target_cpu_type}"'.h"' > targ-cpu.h
938 echo '#include "obj-'"${obj_format}"'.h"' > obj-format.h
939 echo '#include "te-'"${te_file}"'.h"' > targ-env.h
940 echo '#include "itbl-'"${target_cpu_type}"'.h"' > itbl-cpu.h
941 if test "x$cgen_cpu_prefix" != x ; then
942 echo '#include "opcodes/'"${cgen_cpu_prefix}"'-desc.h"' > cgen-desc.h
943 fi
944
945 sed -e '/POTFILES =/r po/POTFILES' po/Makefile.in > po/Makefile],
946 [target_cpu_type=${target_cpu_type}
947 cgen_cpu_prefix=${cgen_cpu_prefix}
948 obj_format=${obj_format}
949 te_file=${te_file}])