2001-03-22 Philip Blundell <philb@gnu.org>
[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 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
201 avr-*-*) fmt=elf bfd_gas=yes ;;
202
203 cris-*-*) fmt=multi bfd_gas=yes ;;
204
205 d10v-*-*) fmt=elf bfd_gas=yes ;;
206 d30v-*-*) fmt=elf bfd_gas=yes ;;
207
208
209 fr30-*-*) fmt=elf bfd_gas=yes ;;
210
211 hppa-*-linux-gnu*) case ${cpu} in
212 hppa*64*)
213 fmt=elf em=hppalinux64;;
214 hppa*)
215 fmt=elf em=linux;;
216 esac ;;
217 hppa-*-*elf*) fmt=elf em=hppa ;;
218 hppa-*-lites*) fmt=elf em=hppa ;;
219 hppa-*-osf*) fmt=som em=hppa ;;
220 hppa-*-rtems*) fmt=elf em=hppa ;;
221 hppa-*-hpux11*) case ${cpu} in
222 hppa*64*)
223 fmt=elf em=hppa64 ;;
224 hppa*)
225 fmt=som em=hppa ;;
226 esac ;;
227 hppa-*-hpux*) fmt=som em=hppa ;;
228 hppa-*-mpeix*) fmt=som em=hppa ;;
229 hppa-*-bsd*) fmt=som em=hppa ;;
230 hppa-*-hiux*) fmt=som em=hppa ;;
231
232 h8300-*-rtems*) fmt=coff ;;
233 h8300-*-coff) fmt=coff ;;
234
235 i370-*-elf* | i370-*-linux*) fmt=elf ;;
236 i386-ibm-aix*) fmt=coff em=i386aix ;;
237 i386-sequent-bsd*) fmt=aout em=dynix bfd_gas=yes ;;
238 i386-*-beospe*) fmt=coff em=pe bfd_gas=yes ;;
239 i386-*-beoself* | i386-*-beos*) fmt=elf bfd_gas=yes ;;
240 i386-*-bsd*) fmt=aout em=386bsd ;;
241 i386-*-netbsd0.8) fmt=aout em=386bsd ;;
242 i386-*-netbsd*) fmt=aout em=nbsd bfd_gas=yes;;
243 i386-*-openbsd*) fmt=aout em=nbsd bfd_gas=yes;;
244 i386-*-linux*aout* | i386-*-linuxoldld) fmt=aout em=linux ;;
245 i386-*-linux*coff*) fmt=coff em=linux ;;
246 i386-*-linux-gnu*) fmt=elf em=linux bfd_gas=yes ;;
247 x86_64-*-linux-gnu*) fmt=elf em=linux bfd_gas=yes ;;
248 i386-*-lynxos*) fmt=coff em=lynx ;;
249 changequote(,)dnl
250 i386-*-sysv[45]* | i386-*-solaris* | i386-*-elf)
251 fmt=elf bfd_gas=yes ;;
252 i386-*-freebsdaout* | i386-*-freebsd[12].* | i386-*-freebsd[12])
253 fmt=aout em=386bsd ;;
254 changequote([,])dnl
255 i386-*-coff | i386-*-sysv* | i386-*-sco3.2v5*coff | i386-*-isc*)
256 fmt=coff ;;
257 i386-*-sco3.2v5*) fmt=elf
258 if test ${this_target} = $target; then
259 AC_DEFINE(SCO_ELF, 1,
260 [Define if defaulting to ELF on SCO 5.])
261 fi
262 ;;
263 i386-*-sco3.2*) fmt=coff ;;
264 i386-*-vsta) fmt=aout ;;
265 i386-*-msdosdjgpp* | i386-*-go32* | i386-go32-rtems*)
266 fmt=coff em=go32 bfd_gas=yes
267 AC_DEFINE(STRICTCOFF, 1, [Using strict COFF?])
268 ;;
269 i386-*-rtemself*) fmt=elf ;;
270 i386-*-rtems*) fmt=coff ;;
271 i386-*-gnu*) fmt=elf ;;
272 i386-*-mach*)
273 fmt=aout em=mach bfd_gas=yes ;;
274 i386-*-msdos*) fmt=aout ;;
275 i386-*-moss*) fmt=elf ;;
276 i386-*-pe) fmt=coff em=pe bfd_gas=yes ;;
277 i386-*-cygwin*) fmt=coff em=pe bfd_gas=yes ;;
278 i386-*-interix*) fmt=coff em=interix bfd_gas=yes ;;
279 i386-*-mingw32*) fmt=coff em=pe bfd_gas=yes ;;
280 i386-*-*nt*) fmt=coff em=pe bfd_gas=yes ;;
281 i386-*-vxworks*) fmt=aout ;;
282 i386-*-chaos) fmt=elf ;;
283 i860-stardent-sysv4* | i860-stardent-elf*)
284 fmt=elf bfd_gas=yes endian=little
285 AC_MSG_WARN(GAS support for ${generic_target} is preliminary and a work in progress) ;;
286 i960-*-bout) fmt=bout ;;
287 i960-*-coff) fmt=coff em=ic960 ;;
288 i960-*-rtems*) fmt=coff em=ic960 ;;
289 i960-*-nindy*) fmt=bout ;;
290 i960-*-vxworks4*) fmt=bout ;;
291 i960-*-vxworks5.0) fmt=bout ;;
292 i960-*-vxworks5.*) fmt=coff em=ic960 ;;
293 i960-*-vxworks*) fmt=bout ;;
294 i960-*-elf*) fmt=elf ;;
295
296 ia64-*-elf*) fmt=elf ;;
297 ia64-*-aix*) fmt=elf em=ia64aix ;;
298 ia64-*-linux-gnu*) fmt=elf em=linux ;;
299 ia64-*-hpux*) fmt=elf em=hpux ;;
300
301 m32r-*-*) fmt=elf bfd_gas=yes ;;
302
303 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)fmt=elf bfd_gas=yes ;;
304
305 m68k-*-vxworks* | m68k-ericsson-ose | m68k-*-sunos*)
306 fmt=aout em=sun3 ;;
307 m68k-motorola-sysv*) fmt=coff em=delta ;;
308 m68k-bull-sysv3*) fmt=coff em=dpx2 ;;
309 m68k-apollo-*) fmt=coff em=apollo ;;
310 m68k-*-sysv4*) # must be before -sysv*
311 fmt=elf em=svr4 ;;
312 m68k-*-elf*) fmt=elf ;;
313 m68k-*-coff | m68k-*-sysv* | m68k-*-rtems*)
314 fmt=coff ;;
315 m68k-*-hpux*) fmt=hp300 em=hp300 ;;
316 m68k-*-linux*aout*) fmt=aout em=linux ;;
317 m68k-*-linux-gnu*) fmt=elf em=linux ;;
318 m68k-*-gnu*) fmt=elf ;;
319 m68k-*-lynxos*) fmt=coff em=lynx ;;
320 m68k-*-netbsd*) fmt=aout em=nbsd bfd_gas=yes ;;
321 m68k-*-openbsd*) fmt=aout em=nbsd bfd_gas=yes ;;
322 m68k-apple-aux*) fmt=coff em=aux ;;
323 m68k-*-psos*) fmt=elf em=psos;;
324
325 m88k-motorola-sysv3*) fmt=coff em=delt88 ;;
326 m88k-*-coff*) fmt=coff ;;
327
328 mcore-*-elf) fmt=elf bfd_gas=yes ;;
329 mcore-*-pe) fmt=coff em=pe bfd_gas=yes ;;
330
331 # don't change em like *-*-bsd does
332 mips-dec-netbsd*) fmt=elf endian=little ;;
333 mips-dec-openbsd*) fmt=elf endian=little ;;
334 mips-dec-bsd*) fmt=aout endian=little ;;
335 mips-sony-bsd*) fmt=ecoff ;;
336 mips-*-bsd*) AC_MSG_ERROR(Unknown vendor for mips-bsd configuration.) ;;
337 mips-*-ultrix*) fmt=ecoff endian=little ;;
338 mips-*-osf*) fmt=ecoff endian=little ;;
339 mips-*-ecoff*) fmt=ecoff ;;
340 mips-*-ecoff*) fmt=ecoff ;;
341 mips-*-pe*) fmt=coff endian=little em=pe ;;
342 mips-*-irix6*) fmt=elf ;;
343 mips-*-irix5*) fmt=elf ;;
344 mips-*-irix*) fmt=ecoff ;;
345 mips-*-lnews*) fmt=ecoff em=lnews ;;
346 mips-*-riscos*) fmt=ecoff ;;
347 mips-*-sysv4*MP*) fmt=elf em=tmips ;;
348 mips-*-sysv*) fmt=ecoff ;;
349 mips-*-elf* | mips-*-rtems* | mips-*-linux-gnu* | mips-*-gnu* | mips-*-openbsd*)
350 fmt=elf ;;
351 mips-*-vxworks*) fmt=elf
352 AC_DEFINE(MIPS_STABS_ELF, 1,
353 [Use ELF stabs for MIPS, not ECOFF stabs])
354 ;;
355 mn10200-*-*) fmt=elf bfd_gas=yes ;;
356 mn10300-*-*) fmt=elf bfd_gas=yes ;;
357 pj*) fmt=elf ;;
358 ppc-*-pe | ppc-*-cygwin* | ppc-*-winnt*)
359 fmt=coff em=pe ;;
360 ppc-*-aix*) fmt=coff ;;
361 ppc-*-beos*) fmt=coff ;;
362 ppc-*-*bsd* | ppc-*-elf* | ppc-*-eabi* | ppc-*-sysv4*)
363 fmt=elf ;;
364 ppc-*-linux-gnu*) fmt=elf
365 case "$endian" in
366 big) ;;
367 *) AC_MSG_ERROR(GNU/Linux must be configured big endian) ;;
368 esac
369 ;;
370 ppc-*-solaris*) fmt=elf
371 if test ${this_target} = $target; then
372 AC_DEFINE(TARGET_SOLARIS_COMMENT, 1,
373 [Define if default target is PowerPC Solaris.])
374 fi
375 if test x${endian} = xbig; then
376 AC_MSG_ERROR(Solaris must be configured little endian)
377 fi
378 ;;
379 ppc-*-rtems*) fmt=elf ;;
380 ppc-*-macos* | ppc-*-mpw*)
381 fmt=coff em=macos ;;
382 ppc-*-netware*) fmt=elf em=ppcnw ;;
383 ppc-*-vxworks*) fmt=elf ;;
384
385 s390x-*-linux-gnu*) fmt=elf em=linux ;;
386 s390-*-linux-gnu*) fmt=elf em=linux ;;
387
388 sh-*-linux*) fmt=elf em=linux ;;
389 sh-*-elf*) fmt=elf ;;
390 sh-*-coff*) fmt=coff bfd_gas=yes;;
391 sh-*-pe*) fmt=coff em=pe bfd_gas=yes;;
392 sh-*-rtemself*) fmt=elf ;;
393 sh-*-rtems*) fmt=coff bfd_gas=yes;;
394
395 ns32k-pc532-mach* | ns32k-pc532-ux*) fmt=aout em=pc532mach ;;
396 ns32k-pc532-netbsd* | ns32k-pc532-lites*) fmt=aout em=nbsd532 ;;
397 ns32k-pc532-openbsd*) fmt=aout em=nbsd532 ;;
398
399 sparc-*-rtemsaout*) fmt=aout ;;
400 sparc-*-rtemself*) fmt=elf ;;
401 sparc-*-rtems*) fmt=elf ;;
402 sparc-*-sunos4*) fmt=aout em=sun3 ;;
403 sparc-*-aout | sparc*-*-vxworks*)
404 fmt=aout em=sparcaout ;;
405 sparc-*-coff) fmt=coff ;;
406 sparc-*-linux*aout*) fmt=aout em=linux ;;
407 sparc-*-linux-gnu*) fmt=elf em=linux ;;
408 sparc-*-lynxos*) fmt=coff em=lynx ;;
409 sparc-fujitsu-none) fmt=aout ;;
410 sparc-*-elf | sparc-*-sysv4* | sparc-*-solaris*)
411 fmt=elf ;;
412 sparc-*-netbsd*) em=nbsd bfd_gas=yes
413 case ${cpu} in
414 sparc) case ${os} in
415 *elf*) fmt=elf ;;
416 *) fmt=aout ;;
417 esac ;;
418 sparc64) fmt=elf ;;
419 esac
420 ;;
421 sparc-*-openbsd*) fmt=aout em=nbsd ;;
422
423 strongarm-*-coff) fmt=coff ;;
424 strongarm-*-elf) fmt=elf ;;
425 xscale-*-coff) fmt=coff ;;
426 xscale-*-elf) fmt=elf ;;
427
428 tic30-*-*aout*) fmt=aout bfd_gas=yes ;;
429 tic30-*-*coff*) fmt=coff bfd_gas=yes ;;
430 tic54x-*-* | c54x*-*-*)
431 fmt=coff bfd_gas=yes need_libm=yes;;
432 tic80-*-*) fmt=coff ;;
433
434 v850-*-*) fmt=elf bfd_gas=yes ;;
435 v850e-*-*) fmt=elf bfd_gas=yes ;;
436 v850ea-*-*) fmt=elf bfd_gas=yes ;;
437
438 vax-*-bsd* | vax-*-ultrix*)
439 fmt=aout ;;
440 vax-*-vms) fmt=vms ;;
441
442
443 z8k-*-coff | z8k-*-sim)
444 fmt=coff ;;
445
446 w65-*-*) fmt=coff ;;
447
448 *-*-aout | *-*-scout)
449 fmt=aout ;;
450 *-*-freebsd*) fmt=elf bfd_gas=yes ;;
451 *-*-nindy*)
452 fmt=bout ;;
453 *-*-bsd*)
454 fmt=aout em=sun3 ;;
455 *-*-generic) fmt=generic ;;
456 *-*-xray | *-*-hms) fmt=coff ;;
457 *-*-sim) fmt=coff ;;
458 *-*-elf | *-*-sysv4* | *-*-solaris*)
459 AC_MSG_WARN(GAS support for ${generic_target} is incomplete.)
460 fmt=elf dev=yes ;;
461 *-*-vxworks) fmt=aout ;;
462 *-*-netware) fmt=elf ;;
463 esac
464
465 if test ${this_target} = $target ; then
466 endian_def=
467 if test x${endian} = xbig; then
468 endian_def=1
469 elif test x${endian} = xlittle; then
470 endian_def=0
471 fi
472 if test x${endian_def} != x; then
473 AC_DEFINE_UNQUOTED(TARGET_BYTES_BIG_ENDIAN, $endian_def,
474 [Define as 1 if big endian.])
475 fi
476 fi
477
478 case ${cpu_type}-${fmt} in
479 alpha*-*) bfd_gas=yes ;;
480 arm-*) bfd_gas=yes ;;
481 # not yet
482 # i386-aout) bfd_gas=preferred ;;
483 ia64*-*) bfd_gas=yes ;;
484 mips-*) bfd_gas=yes ;;
485 ns32k-*) bfd_gas=yes ;;
486 pdp11-*) bfd_gas=yes ;;
487 ppc-*) bfd_gas=yes ;;
488 sparc-*) bfd_gas=yes ;;
489 strongarm-*) bfd_gas=yes ;;
490 xscale-*) bfd_gas=yes ;;
491 *-elf) bfd_gas=yes ;;
492 *-ecoff) bfd_gas=yes ;;
493 *-som) bfd_gas=yes ;;
494 #enable bfd for coff and aout to allow testing if a bfd target is
495 #the primary target, but not for coff or aout as the primary target
496 i386-coff) if test x${primary_bfd_gas} = xyes; then bfd_gas=yes; fi ;;
497 i386-aout) if test x${primary_bfd_gas} = xyes; then bfd_gas=yes; fi ;;
498 *) ;;
499 esac
500
501 # Other random stuff.
502
503 # Do we need the opcodes library?
504 case ${cpu_type} in
505 vax | i386 | tic30)
506 ;;
507
508 *)
509 need_opcodes=yes
510
511 case "${enable_shared}" in
512 yes) shared_opcodes=true ;;
513 *opcodes*) shared_opcodes=true ;;
514 *) shared_opcodes=false ;;
515 esac
516 if test "${shared_opcodes}" = "true"; then
517 # A shared libopcodes must be linked against libbfd.
518 need_bfd=yes
519 fi
520 ;;
521 esac
522
523 # Any other special object files needed ?
524 case ${cpu_type} in
525 fr30 | m32r)
526 using_cgen=yes
527 ;;
528
529 m68k)
530 case ${extra_objects} in
531 *m68k-parse.o*) ;;
532 *) extra_objects="$extra_objects m68k-parse.o" ;;
533 esac
534 ;;
535
536 s390)
537 if test $this_target = $target ; then
538 AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
539 fi
540 ;;
541
542 mips)
543 echo ${extra_objects} | grep -s "itbl-parse.o"
544 if test $? -ne 0 ; then
545 extra_objects="$extra_objects itbl-parse.o"
546 fi
547
548 echo ${extra_objects} | grep -s "itbl-lex.o"
549 if test $? -ne 0 ; then
550 extra_objects="$extra_objects itbl-lex.o"
551 fi
552
553 echo ${extra_objects} | grep -s "itbl-ops.o"
554 if test $? -ne 0 ; then
555 extra_objects="$extra_objects itbl-ops.o"
556 fi
557 ;;
558
559 i386)
560 if test $this_target = $target ; then
561 AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
562 fi
563 ;;
564 sparc)
565 if test $this_target = $target ; then
566 AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
567 fi
568 ;;
569 *)
570 ;;
571 esac
572
573 if test $using_cgen = yes ; then
574 case "x${extra_objects}" in
575 *cgen.o*) ;;
576 *) extra_objects="$extra_objects cgen.o" ;;
577 esac
578 fi
579
580 # See if we really can support this configuration with the emulation code.
581
582 if test $this_target = $target ; then
583 primary_bfd_gas=$bfd_gas
584 obj_format=$fmt
585 te_file=$em
586
587 if test $bfd_gas = no ; then
588 # Can't support other configurations this way.
589 break
590 fi
591 elif test $bfd_gas = no ; then
592 # Can't support this configuration.
593 break
594 fi
595
596 # From target name and format, produce a list of supported emulations.
597
598 case ${generic_target}-${fmt} in
599 mips-*-irix5*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
600 mips-*-linux-gnu*-*) case "$endian" in
601 big) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
602 *) emulation="mipslelf mipsbelf mipself mipslecoff mipsbecoff mipsecoff" ;;
603 esac ;;
604 mips-*-lnews*-ecoff) ;;
605 mips-*-*-ecoff) case "$endian" in
606 big) emulation="mipsbecoff mipslecoff mipsecoff" ;;
607 *) emulation="mipslecoff mipsbecoff mipsecoff" ;;
608 esac ;;
609 mips-*-*-elf) case "$endian" in
610 big) emulation="mipsbelf mipslelf mipself" ;;
611 *) emulation="mipslelf mipsbelf mipself" ;;
612 esac ;;
613 mips-*-sysv4*MP*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
614 # i386-pc-pe-coff != i386-pc-coff.
615 i386-*-pe-coff) ;;
616 # Uncommenting the next line will turn on support for i386 AOUT
617 # for the default linux configuration
618 # i386-*-linux*-elf) emulation="i386elf i386aout" ;;
619 #
620 i386-*-aout) emulation="i386aout" ;;
621 i386-*-coff) emulation="i386coff" ;;
622 i386-*-elf) emulation="i386elf" ;;
623
624 # Always all formats. Having a.out first makes it the default.
625 cris-*-*) emulation="crisaout criself" ;;
626 esac
627
628 emulations="$emulations $emulation"
629
630 done
631
632 # Turn on all targets if possible
633 if test ${all_targets} = "yes"; then
634 case ${target_cpu_type} in
635 i386)
636 case ${obj_format} in
637 aout)
638 emulations="$emulations i386coff i386elf"
639 ;;
640 coff)
641 emulations="$emulations i386aout i386elf"
642 ;;
643 elf)
644 emulations="$emulations i386aout i386coff"
645 ;;
646 esac
647 ;;
648 esac
649 fi
650
651 # Assign floating point type. Most processors with FP support
652 # IEEE FP. On those that don't support FP at all, usually IEEE
653 # is emulated.
654 case ${target_cpu} in
655 vax | tahoe ) atof=${target_cpu} ;;
656 pdp11) atof=vax ;;
657 *) atof=ieee ;;
658 esac
659
660 case "${obj_format}" in
661 "") AC_MSG_ERROR(GAS does not know what format to use for target ${target}) ;;
662 esac
663
664 # Unfortunately the cpu in cpu-opc.h file isn't always $(TARGET_CPU).
665 cgen_cpu_prefix=""
666 if test $using_cgen = yes ; then
667 case ${target_cpu} in
668 *) cgen_cpu_prefix=${target_cpu} ;;
669 esac
670 AC_SUBST(cgen_cpu_prefix)
671 AC_DEFINE(USING_CGEN, 1, [Using cgen code?])
672 fi
673
674 dnl
675 dnl Make sure the desired support files exist.
676 dnl
677
678 if test ! -r ${srcdir}/config/tc-${target_cpu_type}.c; then
679 AC_MSG_ERROR(GAS does not support target CPU ${target_cpu_type})
680 fi
681
682 if test ! -r ${srcdir}/config/obj-${obj_format}.c; then
683 AC_MSG_ERROR(GAS does not have support for object file format ${obj_format})
684 fi
685
686 case ${user_bfd_gas}-${primary_bfd_gas} in
687 yes-yes | no-no)
688 # We didn't override user's choice.
689 ;;
690 no-yes)
691 AC_MSG_WARN(Use of BFD is required for ${target}; overriding config options.)
692 ;;
693 no-preferred)
694 primary_bfd_gas=no
695 ;;
696 *-preferred)
697 primary_bfd_gas=yes
698 ;;
699 yes-*)
700 primary_bfd_gas=yes
701 ;;
702 -*)
703 # User specified nothing.
704 ;;
705 esac
706
707 # Some COFF configurations want these random other flags set.
708 case ${obj_format} in
709 coff)
710 case ${target_cpu_type} in
711 i386) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
712 m68k) AC_DEFINE(M68KCOFF, 1, [Using m68k COFF?]) ;;
713 m88k) AC_DEFINE(M88KCOFF, 1, [Using m88k COFF?]) ;;
714 esac
715 ;;
716 esac
717
718 # Getting this done right is going to be a bitch. Each configuration specified
719 # with --enable-targets=... should be checked for environment, format, cpu, and
720 # bfd_gas setting.
721 #
722 # For each configuration, the necessary object file support code must be linked
723 # in. This might be only one, it might be up to four. The necessary emulation
724 # code needs to be provided, too.
725 #
726 # And then there's "--enable-targets=all"....
727 #
728 # For now, just always do it for MIPS ELF or ECOFF configurations. Sigh.
729
730 formats="${obj_format}"
731 emfiles=""
732 EMULATIONS=""
733 GAS_UNIQ(emulations)
734 for em in . $emulations ; do
735 case $em in
736 .) continue ;;
737 mipsbelf | mipslelf | mipself)
738 fmt=elf file=mipself ;;
739 mipsbecoff | mipslecoff | mipsecoff)
740 fmt=ecoff file=mipsecoff ;;
741 *coff)
742 fmt=coff file=$em ;;
743 *aout)
744 fmt=aout file=$em ;;
745 *elf)
746 fmt=elf file=$em ;;
747 esac
748 formats="$formats $fmt"
749 emfiles="$emfiles e-$file.o"
750 EMULATIONS="$EMULATIONS &$em,"
751 done
752 GAS_UNIQ(formats)
753 GAS_UNIQ(emfiles)
754 if test `set . $formats ; shift ; echo $#` -gt 1 ; then
755 for fmt in $formats ; do
756 case $fmt in
757 aout) AC_DEFINE(OBJ_MAYBE_AOUT, 1, [a.out support?]) ;;
758 bout) AC_DEFINE(OBJ_MAYBE_BOUT, 1, [b.out support?]) ;;
759 coff) AC_DEFINE(OBJ_MAYBE_COFF, 1, [COFF support?]) ;;
760 ecoff) AC_DEFINE(OBJ_MAYBE_ECOFF, 1, [ECOFF support?]) ;;
761 elf) AC_DEFINE(OBJ_MAYBE_ELF, 1, [ELF support?]) ;;
762 generic) AC_DEFINE(OBJ_MAYBE_GENERIC, 1, [generic support?]) ;;
763 hp300) AC_DEFINE(OBJ_MAYBE_HP300, 1, [HP300 support?]) ;;
764 ieee) AC_DEFINE(OBJ_MAYBE_IEEE, 1, [IEEE support?]) ;;
765 som) AC_DEFINE(OBJ_MAYBE_SOM, 1, [SOM support?]) ;;
766 vms) AC_DEFINE(OBJ_MAYBE_VMS, 1, [VMS support?]) ;;
767 esac
768 extra_objects="$extra_objects obj-$fmt.o"
769 done
770 obj_format=multi
771 fi
772 if test `set . $emfiles ; shift ; echo $#` -gt 0 ; then
773 DEFAULT_EMULATION=`set . $emulations ; echo $2`
774 # e-mips* has more than one emulation per file, e-i386* has just one at the
775 # moment. If only one emulation is specified, then don't define
776 # USE_EMULATIONS or include any of the e-files as they will only be bloat.
777 case "${obj_format}${emfiles}" in
778 multi* | *mips*)
779 extra_objects="$extra_objects $emfiles"
780 AC_DEFINE(USE_EMULATIONS, 1, [Use emulation support?]) ;;
781 esac
782 fi
783 AC_SUBST(extra_objects)
784 AC_DEFINE_UNQUOTED(EMULATIONS, $EMULATIONS, [Supported emulations.])
785 AC_DEFINE_UNQUOTED(DEFAULT_EMULATION, "$DEFAULT_EMULATION",
786 [Default emulation.])
787
788 case ${primary_bfd_gas}-${target_cpu_type}-${obj_format} in
789 yes-*-coff) need_bfd=yes ;;
790 no-*-coff) need_bfd=yes
791 AC_DEFINE(MANY_SEGMENTS, 1, [old COFF support?]) ;;
792 esac
793
794 reject_dev_configs=yes
795
796 case ${reject_dev_configs}-${dev} in
797 yes-yes) # Oops.
798 AC_MSG_ERROR(GAS does not support the ${generic_target} configuration.)
799 ;;
800 esac
801
802 AC_SUBST(target_cpu_type)
803 AC_SUBST(obj_format)
804 AC_SUBST(te_file)
805 AC_SUBST(install_tooldir)
806 AC_SUBST(atof)
807 dnl AC_SUBST(emulation)
808
809 case "${primary_bfd_gas}" in
810 yes) AC_DEFINE(BFD_ASSEMBLER, 1, [Use BFD interface?])
811 need_bfd=yes ;;
812 esac
813
814 # do we need the opcodes library?
815 case "${need_opcodes}" in
816 yes)
817 OPCODES_LIB=../opcodes/libopcodes.la
818 ;;
819 esac
820
821 case "${need_bfd}" in
822 yes)
823 BFDLIB=../bfd/libbfd.la
824 ALL_OBJ_DEPS="$ALL_OBJ_DEPS ../bfd/bfd.h"
825 ;;
826 esac
827
828 AC_SUBST(BFDLIB)
829 AC_SUBST(OPCODES_LIB)
830
831 AC_SUBST(ALL_OBJ_DEPS)
832
833 AC_DEFINE_UNQUOTED(TARGET_ALIAS, "${target_alias}", [Target alias.])
834 AC_DEFINE_UNQUOTED(TARGET_CANONICAL, "${target}", [Canonical target.])
835 AC_DEFINE_UNQUOTED(TARGET_CPU, "${target_cpu}", [Target CPU.])
836 AC_DEFINE_UNQUOTED(TARGET_VENDOR, "${target_vendor}", [Target vendor.])
837 AC_DEFINE_UNQUOTED(TARGET_OS, "${target_os}", [Target OS.])
838
839 AC_PROG_CC
840
841 AC_PROG_YACC
842 AM_PROG_LEX
843
844 ALL_LINGUAS=
845 CY_GNU_GETTEXT
846
847 AM_MAINTAINER_MODE
848 AC_EXEEXT
849
850 AC_CHECK_HEADERS(string.h stdlib.h memory.h strings.h unistd.h stdarg.h varargs.h errno.h sys/types.h)
851
852 # Put this here so that autoconf's "cross-compiling" message doesn't confuse
853 # people who are not cross-compiling but are compiling cross-assemblers.
854 AC_MSG_CHECKING(whether compiling a cross-assembler)
855 if test "${host}" = "${target}"; then
856 cross_gas=no
857 else
858 cross_gas=yes
859 AC_DEFINE(CROSS_COMPILE, 1, [Compiling cross-assembler?])
860 fi
861 AC_MSG_RESULT($cross_gas)
862
863 dnl ansidecl.h will deal with const
864 dnl AC_CONST
865 AC_FUNC_ALLOCA
866 AC_C_INLINE
867
868 # VMS doesn't have unlink.
869 AC_CHECK_FUNCS(unlink remove, break)
870
871 # Some systems don't have sbrk().
872 AC_CHECK_FUNCS(sbrk)
873
874 # do we need the math library?
875 case "${need_libm}" in
876 yes)
877 AC_CHECK_LIBM
878 AC_SUBST(LIBM)
879 ;;
880 esac
881
882 # Some non-ANSI preprocessors botch requoting inside strings. That's bad
883 # enough, but on some of those systems, the assert macro relies on requoting
884 # working properly!
885 GAS_WORKING_ASSERT
886
887 # On some systems, the system header files may not declare malloc, realloc,
888 # and free. There are places where gas needs these functions to have been
889 # declared -- such as when taking their addresses.
890 gas_test_headers="
891 #ifdef HAVE_MEMORY_H
892 #include <memory.h>
893 #endif
894 #ifdef HAVE_STRING_H
895 #include <string.h>
896 #else
897 #ifdef HAVE_STRINGS_H
898 #include <strings.h>
899 #endif
900 #endif
901 #ifdef HAVE_STDLIB_H
902 #include <stdlib.h>
903 #endif
904 #ifdef HAVE_UNISTD_H
905 #include <unistd.h>
906 #endif
907 "
908 GAS_CHECK_DECL_NEEDED(strstr, f, char *(*f)(), $gas_test_headers)
909 GAS_CHECK_DECL_NEEDED(malloc, f, char *(*f)(), $gas_test_headers)
910 GAS_CHECK_DECL_NEEDED(free, f, void (*f)(), $gas_test_headers)
911 GAS_CHECK_DECL_NEEDED(sbrk, f, char *(*f)(), $gas_test_headers)
912 GAS_CHECK_DECL_NEEDED(environ, f, char **f, $gas_test_headers)
913
914 # Does errno.h declare errno, or do we have to add a separate declaration
915 # for it?
916 GAS_CHECK_DECL_NEEDED(errno, f, int f, [
917 #ifdef HAVE_ERRNO_H
918 #include <errno.h>
919 #endif
920 ])
921
922 dnl This must come last.
923
924 dnl We used to make symlinks to files in the source directory, but now
925 dnl we just use the right name for .c files, and create .h files in
926 dnl the build directory which include the right .h file. Make sure
927 dnl the old symlinks don't exist, so that a reconfigure in an existing
928 dnl directory behaves reasonably.
929
930 AC_OUTPUT(Makefile doc/Makefile ${GDBINIT}:gdbinit.in po/Makefile.in:po/Make-in,
931 [rm -f targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c itbl-cpu.h
932 echo '#include "tc-'"${target_cpu_type}"'.h"' > targ-cpu.h
933 echo '#include "obj-'"${obj_format}"'.h"' > obj-format.h
934 echo '#include "te-'"${te_file}"'.h"' > targ-env.h
935 echo '#include "itbl-'"${target_cpu_type}"'.h"' > itbl-cpu.h
936 if test "x$cgen_cpu_prefix" != x ; then
937 echo '#include "opcodes/'"${cgen_cpu_prefix}"'-desc.h"' > cgen-desc.h
938 fi
939
940 sed -e '/POTFILES =/r po/POTFILES' po/Makefile.in > po/Makefile],
941 [target_cpu_type=${target_cpu_type}
942 cgen_cpu_prefix=${cgen_cpu_prefix}
943 obj_format=${obj_format}
944 te_file=${te_file}])
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