source: trunk/src/binutils/gas/configure.in@ 201

Last change on this file since 201 was 86, checked in by bird, 22 years ago

Applied the original 2.11.2 diff.

  • Property cvs2svn:cvs-rev set to 1.2
  • Property svn:eol-style set to native
  • Property svn:executable set to *
File size: 28.9 KB
Line 
1dnl Process this file with autoconf to produce a configure script.
2dnl
3dnl And be careful when changing it! If you must add tests with square
4dnl brackets, be sure changequote invocations surround it.
5dnl
6dnl
7dnl v2.5 needed for --bindir et al
8AC_PREREQ(2.13)
9AC_INIT(as.h)
10
11AC_CANONICAL_SYSTEM
12AC_ISC_POSIX
13
14changequote(,)dnl
15BFD_VERSION=`sed -n -e 's/^.._INIT_AUTOMAKE.*,[ ]*\([^ ]*\)[ ]*).*/\1/p' < ${srcdir}/../bfd/configure.in`
16changequote([,])dnl
17AM_INIT_AUTOMAKE(gas, ${BFD_VERSION})
18
19AM_PROG_LIBTOOL
20
21user_bfd_gas=
22AC_ARG_ENABLE(bfd-assembler,
23[ --enable-bfd-assembler use BFD back end for writing object files],
24[case "${enableval}" in
25 yes) need_bfd=yes user_bfd_gas=yes ;;
26 no) user_bfd_gas=no ;;
27 *) AC_MSG_ERROR(bad value ${enableval} given for bfd-assembler option) ;;
28esac])dnl
29AC_ARG_ENABLE(targets,
30[ targets alternative target configurations besides the primary],
31[case "${enableval}" in
32 yes | "") AC_ERROR(enable-targets option must specify target names or 'all')
33 ;;
34 no) enable_targets= ;;
35 *) enable_targets=$enableval ;;
36esac])dnl
37AC_ARG_ENABLE(commonbfdlib,
38[ --enable-commonbfdlib build shared BFD/opcodes/libiberty library],
39[case "${enableval}" in
40 yes) commonbfdlib=true ;;
41 no) commonbfdlib=false ;;
42 *) AC_MSG_ERROR([bad value ${enableval} for BFD commonbfdlib option]) ;;
43esac])dnl
44
45using_cgen=no
46
47build_warnings="-W -Wall"
48AC_ARG_ENABLE(build-warnings,
49[ --enable-build-warnings Enable build-time compiler warnings if gcc is used],
50[case "${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"`;;
58esac
59if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
60 echo "Setting warning flags = $build_warnings" 6>&1
61fi])dnl
62WARN_CFLAGS=""
63if test "x${build_warnings}" != x -a "x$GCC" = xyes ; then
64 WARN_CFLAGS="${build_warnings}"
65fi
66AC_SUBST(WARN_CFLAGS)
67
68# Generate a header file
69AM_CONFIG_HEADER(config.h:config.in)
70
71# If we are on a DOS filesystem, we must use gdb.ini rather than
72# .gdbinit.
73GDBINIT=".gdbinit"
74case "${host}" in
75 *-*-msdos* | *-*-go32* | *-*-mingw32* | *-*-cygwin* | *-*-windows*)
76 GDBINIT="gdb.ini"
77 ;;
78esac
79AC_SUBST(GDBINIT)
80
81te_file=generic
82
83# Makefile target for installing gas in $(tooldir)/bin.
84install_tooldir=install-exec-tooldir
85
86canon_targets=""
87all_targets=no
88if test -n "$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)
103fi
104
105emulations=""
106
107for this_target in $target $canon_targets ; do
108
109changequote(,)dnl
110 eval `echo $this_target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/cpu=\1 vendor=\2 os=\3/'`
111changequote([,])dnl
112
113 # check for architecture variants
114 arch=
115 endian=
116 case ${cpu} in
117 alpha*) cpu_type=alpha ;;
118 armeb) cpu_type=arm endian=big ;;
119 arm*) cpu_type=arm endian=little ;;
120 armb*) cpu_type=arm endian=little ;;
121 armv*l) cpu_type=arm endian=little ;;
122 armv*b) cpu_type=arm endian=big ;;
123 xscale*) cpu_type=arm endian=little ;;
124 strongarm*) cpu_type=arm endian=little ;;
125 thumb*) cpu_type=arm endian=little ;;
126 hppa*) cpu_type=hppa ;;
127changequote(,)dnl
128 i[3456]86) cpu_type=i386 arch=i386;;
129 x86_64) cpu_type=i386 arch=x86_64;;
130 ia64) cpu_type=ia64 ;;
131 m6811|m6812|m68hc12) cpu_type=m68hc11 ;;
132 m680[012346]0) cpu_type=m68k ;;
133changequote([,])dnl
134 m68008) cpu_type=m68k ;;
135 m683??) cpu_type=m68k ;;
136 m5200) cpu_type=m68k ;;
137 m8*) cpu_type=m88k ;;
138 mips*el) cpu_type=mips endian=little ;;
139 mips*) cpu_type=mips endian=big ;;
140 pjl*) cpu_type=pj endian=little ;;
141 pj*) cpu_type=pj endian=big ;;
142 powerpcle*) cpu_type=ppc endian=little ;;
143 powerpc*) cpu_type=ppc endian=big ;;
144 rs6000*) cpu_type=ppc ;;
145 sparclite*) cpu_type=sparc arch=sparclite ;;
146 sparclet*) cpu_type=sparc arch=sparclet ;;
147 sparc64*) cpu_type=sparc arch=v9-64 ;;
148 sparc86x*) cpu_type=sparc arch=sparc86x ;;
149 sparc*) cpu_type=sparc arch=sparclite ;; # ??? See tc-sparc.c.
150 v850*) cpu_type=v850 ;;
151 *) cpu_type=${cpu} ;;
152 esac
153
154 if test ${this_target} = $target ; then
155 target_cpu_type=${cpu_type}
156 elif test ${target_cpu_type} != ${cpu_type} ; then
157 continue
158 fi
159
160 generic_target=${cpu_type}-$vendor-$os
161 dev=no
162 bfd_gas=no
163 em=generic
164
165 # assign object format
166 case ${generic_target} in
167 a29k-*-coff) fmt=coff ;;
168 a29k-amd-udi) fmt=coff ;;
169 a29k-amd-ebmon) fmt=coff ;;
170 a29k-nyu-sym1) fmt=coff ;;
171 a29k-*-rtems*) fmt=coff ;;
172 a29k-*-vxworks*) fmt=coff ;;
173
174 alpha*-*-*vms*) fmt=evax ;;
175 alpha*-*-netware*) fmt=ecoff ;;
176 alpha*-*-openbsd*) fmt=ecoff ;;
177 alpha*-*-osf*) fmt=ecoff ;;
178 alpha*-*-linuxecoff*) fmt=ecoff ;;
179 alpha*-*-linux-gnu*) fmt=elf em=linux ;;
180 alpha*-*-netbsd*) fmt=elf em=nbsd ;;
181
182 arc-*-elf*) fmt=elf bfd_gas=yes ;;
183
184 arm-*-aout) fmt=aout ;;
185 arm-*-coff | thumb-*-coff) fmt=coff ;;
186 arm-*-rtems | thumb-*-rtems) fmt=elf ;;
187 arm-*-elf | thumb-*-elf) fmt=elf ;;
188 arm*-*-conix*) fmt=elf ;;
189 arm-*-linux*aout*) fmt=aout em=linux ;;
190 arm*-*-linux-gnu* | arm*-*-uclinux*)
191 fmt=elf em=linux ;;
192 arm-*-netbsd*) fmt=aout em=nbsd ;;
193 arm-*-oabi | thumb-*-oabi) fmt=elf ;;
194 arm-epoc-pe | thumb-epoc-pe) fmt=coff em=epoc-pe ;;
195 arm-*-wince) fmt=coff em=wince-pe ;;
196 arm-*-pe | thumb-*-pe) fmt=coff em=pe ;;
197 arm-*-riscix*) fmt=aout em=riscix ;;
198 arm-*-vxworks) fmt=coff ;;
199
200 avr-*-*) fmt=elf bfd_gas=yes ;;
201
202 cris-*-*) fmt=multi bfd_gas=yes ;;
203
204 d10v-*-*) fmt=elf bfd_gas=yes ;;
205 d30v-*-*) fmt=elf bfd_gas=yes ;;
206
207
208 fr30-*-*) fmt=elf bfd_gas=yes ;;
209
210 hppa-*-linux-gnu*) case ${cpu} in
211 hppa*64*)
212 fmt=elf em=hppalinux64;;
213 hppa*)
214 fmt=elf em=linux;;
215 esac ;;
216 hppa-*-*elf*) fmt=elf em=hppa ;;
217 hppa-*-lites*) fmt=elf em=hppa ;;
218 hppa-*-osf*) fmt=som em=hppa ;;
219 hppa-*-rtems*) fmt=elf em=hppa ;;
220 hppa-*-hpux11*) case ${cpu} in
221 hppa*64*)
222 fmt=elf em=hppa64 ;;
223 hppa*)
224 fmt=som em=hppa ;;
225 esac ;;
226 hppa-*-hpux*) fmt=som em=hppa ;;
227 hppa-*-mpeix*) fmt=som em=hppa ;;
228 hppa-*-bsd*) fmt=som em=hppa ;;
229 hppa-*-hiux*) fmt=som em=hppa ;;
230
231 h8300-*-rtems*) fmt=coff ;;
232 h8300-*-coff) fmt=coff ;;
233 h8500-*-rtems*) fmt=coff ;;
234 h8500-*-coff) fmt=coff ;;
235
236 i370-*-elf* | i370-*-linux*) fmt=elf ;;
237 i386-ibm-aix*) fmt=coff em=i386aix ;;
238 i386-sequent-bsd*) fmt=aout em=dynix bfd_gas=yes ;;
239 i386-*-beospe*) fmt=coff em=pe bfd_gas=yes ;;
240 i386-*-beoself* | i386-*-beos*) fmt=elf bfd_gas=yes ;;
241 i386-*-bsd*) fmt=aout em=386bsd ;;
242 i386-*-netbsd0.8) fmt=aout em=386bsd ;;
243 i386-*-netbsd*) fmt=aout em=nbsd bfd_gas=yes;;
244 i386-*-openbsd*) fmt=aout em=nbsd bfd_gas=yes;;
245 i386-*-linux*aout* | i386-*-linux*oldld) fmt=aout em=linux ;;
246 i386-*-linux*coff*) fmt=coff em=linux ;;
247 i386-*-linux-gnu*) fmt=elf em=linux bfd_gas=yes ;;
248 x86_64-*-linux-gnu*) fmt=elf em=linux bfd_gas=yes ;;
249 i386-*-lynxos*) fmt=coff em=lynx ;;
250changequote(,)dnl
251 i386-*-sysv[45]* | i386-*-solaris* | i386-*-elf)
252 fmt=elf bfd_gas=yes ;;
253 i386-*-freebsdaout* | i386-*-freebsd[12].* | i386-*-freebsd[12])
254 fmt=aout em=386bsd ;;
255changequote([,])dnl
256 i386-*-coff | i386-*-sysv* | i386-*-sco3.2v5*coff | i386-*-isc*)
257 fmt=coff ;;
258 i386-*-sco3.2v5*) fmt=elf
259 if test ${this_target} = $target; then
260 AC_DEFINE(SCO_ELF, 1,
261 [Define if defaulting to ELF on SCO 5.])
262 fi
263 ;;
264 i386-*-sco3.2*) fmt=coff ;;
265 i386-*-vsta) fmt=aout ;;
266 i386-*-msdosdjgpp* | i386-*-go32* | i386-go32-rtems*)
267 fmt=coff em=go32 bfd_gas=yes
268 AC_DEFINE(STRICTCOFF, 1, [Using strict COFF?])
269 ;;
270 i386-*-rtemself*) fmt=elf ;;
271 i386-*-rtems*) fmt=coff ;;
272 i386-*-gnu*) fmt=elf ;;
273 i386-*-mach*)
274 fmt=aout em=mach bfd_gas=yes ;;
275 i386-*-msdos*) fmt=aout ;;
276 i386-*-moss*) fmt=elf ;;
277 i386-*-pe) fmt=coff em=pe bfd_gas=yes ;;
278 i386-*-cygwin*) fmt=coff em=pe bfd_gas=yes ;;
279 i386-*-interix*) fmt=coff em=interix bfd_gas=yes ;;
280 i386-*-mingw32*) fmt=coff em=pe bfd_gas=yes ;;
281 i386-*-*nt*) fmt=coff em=pe bfd_gas=yes ;;
282 i386-*-os2*) fmt=aout em=emx bfd_gas=yes ;;
283 i386-*-vxworks*) fmt=aout ;;
284 i386-*-chaos) fmt=elf ;;
285 i860-stardent-sysv4* | i860-stardent-elf*)
286 fmt=elf bfd_gas=yes endian=little
287 AC_MSG_WARN(GAS support for ${generic_target} is preliminary and a work in progress) ;;
288 i960-*-bout) fmt=bout ;;
289 i960-*-coff) fmt=coff em=ic960 ;;
290 i960-*-rtems*) fmt=coff em=ic960 ;;
291 i960-*-nindy*) fmt=bout ;;
292 i960-*-vxworks4*) fmt=bout ;;
293 i960-*-vxworks5.0) fmt=bout ;;
294 i960-*-vxworks5.*) fmt=coff em=ic960 ;;
295 i960-*-vxworks*) fmt=bout ;;
296 i960-*-elf*) fmt=elf ;;
297
298 ia64-*-elf*) fmt=elf ;;
299 ia64-*-linux-gnu*) fmt=elf em=linux ;;
300 ia64-*-hpux*) fmt=elf em=hpux ;;
301
302 m32r-*-*) fmt=elf bfd_gas=yes ;;
303
304 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)fmt=elf bfd_gas=yes ;;
305
306 m68k-*-vxworks* | m68k-ericsson-ose | m68k-*-sunos*)
307 fmt=aout em=sun3 ;;
308 m68k-motorola-sysv*) fmt=coff em=delta ;;
309 m68k-bull-sysv3*) fmt=coff em=dpx2 ;;
310 m68k-apollo-*) fmt=coff em=apollo ;;
311 m68k-*-sysv4*) # must be before -sysv*
312 fmt=elf em=svr4 ;;
313 m68k-*-elf*) fmt=elf ;;
314 m68k-*-coff | m68k-*-sysv* | m68k-*-rtems*)
315 fmt=coff ;;
316 m68k-*-hpux*) fmt=hp300 em=hp300 ;;
317 m68k-*-linux*aout*) fmt=aout em=linux ;;
318 m68k-*-linux-gnu*) fmt=elf em=linux ;;
319 m68k-*-gnu*) fmt=elf ;;
320 m68k-*-lynxos*) fmt=coff em=lynx ;;
321 m68k-*-netbsd*) fmt=aout em=nbsd bfd_gas=yes ;;
322 m68k-*-openbsd*) fmt=aout em=nbsd bfd_gas=yes ;;
323 m68k-apple-aux*) fmt=coff em=aux ;;
324 m68k-*-psos*) fmt=elf em=psos;;
325
326 m88k-motorola-sysv3*) fmt=coff em=delt88 ;;
327 m88k-*-coff*) fmt=coff ;;
328
329 mcore-*-elf) fmt=elf bfd_gas=yes ;;
330 mcore-*-pe) fmt=coff em=pe bfd_gas=yes ;;
331
332 # don't change em like *-*-bsd does
333 mips-dec-netbsd*) fmt=elf endian=little ;;
334 mips-dec-openbsd*) fmt=elf endian=little ;;
335 mips-dec-bsd*) fmt=aout endian=little ;;
336 mips-sony-bsd*) fmt=ecoff ;;
337 mips-*-bsd*) AC_MSG_ERROR(Unknown vendor for mips-bsd configuration.) ;;
338 mips-*-ultrix*) fmt=ecoff endian=little ;;
339 mips-*-osf*) fmt=ecoff endian=little ;;
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-*-linux-gnu*)
348 fmt=elf em=tmips
349 AC_DEFINE(MIPS_STABS_ELF, 1,
350 [Use ELF stabs for MIPS, not ECOFF stabs])
351 ;;
352 mips-*-sysv4*MP* | mips-*-gnu*)
353 fmt=elf em=tmips ;;
354 mips-*-sysv*) fmt=ecoff ;;
355 mips-*-elf* | mips-*-rtems* | mips-*-openbsd*)
356 fmt=elf ;;
357 mips-*-vxworks*) fmt=elf
358 AC_DEFINE(MIPS_STABS_ELF, 1,
359 [Use ELF stabs for MIPS, not ECOFF stabs])
360 ;;
361 mn10200-*-*) fmt=elf bfd_gas=yes ;;
362 mn10300-*-*) fmt=elf bfd_gas=yes ;;
363 pj*) fmt=elf ;;
364 ppc-*-pe | ppc-*-cygwin* | ppc-*-winnt*)
365 fmt=coff em=pe ;;
366 ppc-*-aix*) fmt=coff ;;
367 ppc-*-beos*) fmt=coff ;;
368 ppc-*-*bsd* | ppc-*-elf* | ppc-*-eabi* | ppc-*-sysv4*)
369 fmt=elf ;;
370 ppc-*-linux-gnu*) fmt=elf
371 case "$endian" in
372 big) ;;
373 *) AC_MSG_ERROR(GNU/Linux must be configured big endian) ;;
374 esac
375 ;;
376 ppc-*-solaris*) fmt=elf
377 if test ${this_target} = $target; then
378 AC_DEFINE(TARGET_SOLARIS_COMMENT, 1,
379 [Define if default target is PowerPC Solaris.])
380 fi
381 if test x${endian} = xbig; then
382 AC_MSG_ERROR(Solaris must be configured little endian)
383 fi
384 ;;
385 ppc-*-rtems*) fmt=elf ;;
386 ppc-*-macos* | ppc-*-mpw*)
387 fmt=coff em=macos ;;
388 ppc-*-netware*) fmt=elf em=ppcnw ;;
389 ppc-*-vxworks*) fmt=elf ;;
390
391 sh-*-linux*) fmt=elf em=linux ;;
392 sh-*-elf*) fmt=elf ;;
393 sh-*-coff*) fmt=coff ;;
394 sh-*-pe*) fmt=coff em=pe bfd_gas=yes;;
395 sh-*-rtemself*) fmt=elf ;;
396 sh-*-rtems*) fmt=coff ;;
397
398 ns32k-pc532-mach* | ns32k-pc532-ux*) fmt=aout em=pc532mach ;;
399 ns32k-pc532-netbsd* | ns32k-pc532-lites*) fmt=aout em=nbsd532 ;;
400 ns32k-pc532-openbsd*) fmt=aout em=nbsd532 ;;
401
402 sparc-*-rtemsaout*) fmt=aout ;;
403 sparc-*-rtemself*) fmt=elf ;;
404 sparc-*-rtems*) fmt=elf ;;
405 sparc-*-sunos4*) fmt=aout em=sun3 ;;
406 sparc-*-aout | sparc*-*-vxworks*)
407 fmt=aout em=sparcaout ;;
408 sparc-*-coff) fmt=coff ;;
409 sparc-*-linux*aout*) fmt=aout em=linux ;;
410 sparc-*-linux-gnu*) fmt=elf em=linux ;;
411 sparc-*-lynxos*) fmt=coff em=lynx ;;
412 sparc-fujitsu-none) fmt=aout ;;
413 sparc-*-elf | sparc-*-sysv4* | sparc-*-solaris*)
414 fmt=elf ;;
415 sparc-*-netbsd*) em=nbsd bfd_gas=yes
416 case ${cpu} in
417 sparc) case ${os} in
418 *elf*) fmt=elf ;;
419 *) fmt=aout ;;
420 esac ;;
421 sparc64) fmt=elf ;;
422 esac
423 ;;
424 sparc-*-openbsd*) fmt=aout em=nbsd ;;
425
426 strongarm-*-coff) fmt=coff ;;
427 strongarm-*-elf) fmt=elf ;;
428 xscale-*-coff) fmt=coff ;;
429 xscale-*-elf) fmt=elf ;;
430
431 tic30-*-*aout*) fmt=aout bfd_gas=yes ;;
432 tic30-*-*coff*) fmt=coff bfd_gas=yes ;;
433 tic54x-*-* | c54x*-*-*)
434 fmt=coff bfd_gas=yes need_libm=yes;;
435 tic80-*-*) fmt=coff ;;
436
437 v850-*-*) fmt=elf bfd_gas=yes ;;
438 v850e-*-*) fmt=elf bfd_gas=yes ;;
439 v850ea-*-*) fmt=elf bfd_gas=yes ;;
440
441 vax-*-bsd* | vax-*-ultrix*)
442 fmt=aout ;;
443 vax-*-vms) fmt=vms ;;
444
445
446 z8k-*-coff | z8k-*-sim)
447 fmt=coff ;;
448
449 w65-*-*) fmt=coff ;;
450
451 *-*-aout | *-*-scout)
452 fmt=aout ;;
453 *-*-freebsd*) fmt=elf em=freebsd bfd_gas=yes ;;
454 *-*-nindy*)
455 fmt=bout ;;
456 *-*-bsd*)
457 fmt=aout em=sun3 ;;
458 *-*-generic) fmt=generic ;;
459 *-*-xray | *-*-hms) fmt=coff ;;
460 *-*-sim) fmt=coff ;;
461 *-*-elf | *-*-sysv4* | *-*-solaris*)
462 AC_MSG_WARN(GAS support for ${generic_target} is incomplete.)
463 fmt=elf dev=yes ;;
464 *-*-vxworks) fmt=aout ;;
465 *-*-netware) fmt=elf ;;
466 esac
467
468 if test ${this_target} = $target ; then
469 endian_def=
470 if test x${endian} = xbig; then
471 endian_def=1
472 elif test x${endian} = xlittle; then
473 endian_def=0
474 fi
475 if test x${endian_def} != x; then
476 AC_DEFINE_UNQUOTED(TARGET_BYTES_BIG_ENDIAN, $endian_def,
477 [Define as 1 if big endian.])
478 fi
479 fi
480
481 case ${cpu_type}-${fmt} in
482 alpha*-*) bfd_gas=yes ;;
483 arm-*) bfd_gas=yes ;;
484 # not yet
485 # i386-aout) bfd_gas=preferred ;;
486 ia64*-*) bfd_gas=yes ;;
487 mips-*) bfd_gas=yes ;;
488 ns32k-*) bfd_gas=yes ;;
489 ppc-*) bfd_gas=yes ;;
490 sparc-*) bfd_gas=yes ;;
491 strongarm-*) bfd_gas=yes ;;
492 xscale-*) bfd_gas=yes ;;
493 *-elf) bfd_gas=yes ;;
494 *-ecoff) bfd_gas=yes ;;
495 *-som) bfd_gas=yes ;;
496 #enable bfd for coff and aout to allow testing if a bfd target is
497 #the primary target, but not for coff or aout as the primary target
498 i386-coff) if test x${primary_bfd_gas} = xyes; then bfd_gas=yes; fi ;;
499 i386-aout) if test x${primary_bfd_gas} = xyes; then bfd_gas=yes; fi ;;
500 *) ;;
501 esac
502
503# Other random stuff.
504
505 # Do we need the opcodes library?
506 case ${cpu_type} in
507 vax | i386 | tic30)
508 ;;
509
510 *)
511 need_opcodes=yes
512
513 case "${enable_shared}" in
514 yes) shared_opcodes=true ;;
515 *opcodes*) shared_opcodes=true ;;
516 *) shared_opcodes=false ;;
517 esac
518 if test "${shared_opcodes}" = "true"; then
519 # A shared libopcodes must be linked against libbfd.
520 need_bfd=yes
521 fi
522 ;;
523 esac
524
525 # Any other special object files needed ?
526 case ${cpu_type} in
527 fr30 | m32r)
528 using_cgen=yes
529 ;;
530
531 m68k)
532 case ${extra_objects} in
533 *m68k-parse.o*) ;;
534 *) extra_objects="$extra_objects m68k-parse.o" ;;
535 esac
536 ;;
537
538 mips)
539 echo ${extra_objects} | grep -s "itbl-parse.o"
540 if test $? -ne 0 ; then
541 extra_objects="$extra_objects itbl-parse.o"
542 fi
543
544 echo ${extra_objects} | grep -s "itbl-lex.o"
545 if test $? -ne 0 ; then
546 extra_objects="$extra_objects itbl-lex.o"
547 fi
548
549 echo ${extra_objects} | grep -s "itbl-ops.o"
550 if test $? -ne 0 ; then
551 extra_objects="$extra_objects itbl-ops.o"
552 fi
553 ;;
554
555 i386)
556 if test $this_target = $target ; then
557 AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
558 fi
559 ;;
560 sparc)
561 if test $this_target = $target ; then
562 AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
563 fi
564 ;;
565 *)
566 ;;
567 esac
568
569 if test $using_cgen = yes ; then
570 case "x${extra_objects}" in
571 *cgen.o*) ;;
572 *) extra_objects="$extra_objects cgen.o" ;;
573 esac
574 fi
575
576# See if we really can support this configuration with the emulation code.
577
578 if test $this_target = $target ; then
579 primary_bfd_gas=$bfd_gas
580 obj_format=$fmt
581 te_file=$em
582
583 if test $bfd_gas = no ; then
584 # Can't support other configurations this way.
585 break
586 fi
587 elif test $bfd_gas = no ; then
588 # Can't support this configuration.
589 break
590 fi
591
592# From target name and format, produce a list of supported emulations.
593
594 case ${generic_target}-${fmt} in
595 mips-*-irix5*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
596 mips-*-linux-gnu*-*) case "$endian" in
597 big) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
598 *) emulation="mipslelf mipsbelf mipself mipslecoff mipsbecoff mipsecoff" ;;
599 esac ;;
600 mips-*-lnews*-ecoff) ;;
601 mips-*-*-ecoff) case "$endian" in
602 big) emulation="mipsbecoff mipslecoff mipsecoff" ;;
603 *) emulation="mipslecoff mipsbecoff mipsecoff" ;;
604 esac ;;
605 mips-*-*-elf) case "$endian" in
606 big) emulation="mipsbelf mipslelf mipself" ;;
607 *) emulation="mipslelf mipsbelf mipself" ;;
608 esac ;;
609 mips-*-sysv4*MP*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
610 # i386-pc-pe-coff != i386-pc-coff.
611 i386-*-pe-coff) ;;
612 # Uncommenting the next line will turn on support for i386 AOUT
613 # for the default linux configuration
614 # i386-*-linux*-elf) emulation="i386elf i386aout" ;;
615 #
616 i386-*-aout) emulation="i386aout" ;;
617 i386-*-coff) emulation="i386coff" ;;
618 i386-*-elf) emulation="i386elf" ;;
619
620 # Always all formats. The first stated emulation becomes the default.
621 cris-*-*aout*) emulation="crisaout criself" ;;
622 cris-*-*) emulation="criself crisaout" ;;
623 esac
624
625 emulations="$emulations $emulation"
626
627done
628
629# Turn on all targets if possible
630if test ${all_targets} = "yes"; then
631 case ${target_cpu_type} in
632 i386)
633 case ${obj_format} in
634 aout)
635 emulations="$emulations i386coff i386elf"
636 ;;
637 coff)
638 emulations="$emulations i386aout i386elf"
639 ;;
640 elf)
641 emulations="$emulations i386aout i386coff"
642 ;;
643 esac
644 ;;
645 esac
646fi
647
648# Assign floating point type. Most processors with FP support
649# IEEE FP. On those that don't support FP at all, usually IEEE
650# is emulated.
651case ${target_cpu} in
652 vax | tahoe ) atof=${target_cpu} ;;
653 *) atof=ieee ;;
654esac
655
656case "${obj_format}" in
657 "") AC_MSG_ERROR(GAS does not know what format to use for target ${target}) ;;
658esac
659
660# Unfortunately the cpu in cpu-opc.h file isn't always $(TARGET_CPU).
661cgen_cpu_prefix=""
662if test $using_cgen = yes ; then
663 case ${target_cpu} in
664 *) cgen_cpu_prefix=${target_cpu} ;;
665 esac
666 AC_SUBST(cgen_cpu_prefix)
667 AC_DEFINE(USING_CGEN, 1, [Using cgen code?])
668fi
669
670dnl
671dnl Make sure the desired support files exist.
672dnl
673
674if test ! -r ${srcdir}/config/tc-${target_cpu_type}.c; then
675 AC_MSG_ERROR(GAS does not support target CPU ${target_cpu_type})
676fi
677
678if test ! -r ${srcdir}/config/obj-${obj_format}.c; then
679 AC_MSG_ERROR(GAS does not have support for object file format ${obj_format})
680fi
681
682case ${user_bfd_gas}-${primary_bfd_gas} in
683 yes-yes | no-no)
684 # We didn't override user's choice.
685 ;;
686 no-yes)
687 AC_MSG_WARN(Use of BFD is required for ${target}; overriding config options.)
688 ;;
689 no-preferred)
690 primary_bfd_gas=no
691 ;;
692 *-preferred)
693 primary_bfd_gas=yes
694 ;;
695 yes-*)
696 primary_bfd_gas=yes
697 ;;
698 -*)
699 # User specified nothing.
700 ;;
701esac
702
703# Some COFF configurations want these random other flags set.
704case ${obj_format} in
705 coff)
706 case ${target_cpu_type} in
707 i386) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
708 m68k) AC_DEFINE(M68KCOFF, 1, [Using m68k COFF?]) ;;
709 m88k) AC_DEFINE(M88KCOFF, 1, [Using m88k COFF?]) ;;
710 esac
711 ;;
712esac
713
714# Getting this done right is going to be a bitch. Each configuration specified
715# with --enable-targets=... should be checked for environment, format, cpu, and
716# bfd_gas setting.
717#
718# For each configuration, the necessary object file support code must be linked
719# in. This might be only one, it might be up to four. The necessary emulation
720# code needs to be provided, too.
721#
722# And then there's "--enable-targets=all"....
723#
724# For now, just always do it for MIPS ELF or ECOFF configurations. Sigh.
725
726formats="${obj_format}"
727emfiles=""
728EMULATIONS=""
729GAS_UNIQ(emulations)
730for em in . $emulations ; do
731 case $em in
732 .) continue ;;
733 mipsbelf | mipslelf | mipself)
734 fmt=elf file=mipself ;;
735 mipsbecoff | mipslecoff | mipsecoff)
736 fmt=ecoff file=mipsecoff ;;
737 *coff)
738 fmt=coff file=$em ;;
739 *aout)
740 fmt=aout file=$em ;;
741 *elf)
742 fmt=elf file=$em ;;
743 esac
744 formats="$formats $fmt"
745 emfiles="$emfiles e-$file.o"
746 EMULATIONS="$EMULATIONS &$em,"
747done
748GAS_UNIQ(formats)
749GAS_UNIQ(emfiles)
750if test `set . $formats ; shift ; echo $#` -gt 1 ; then
751 for fmt in $formats ; do
752 case $fmt in
753 aout) AC_DEFINE(OBJ_MAYBE_AOUT, 1, [a.out support?]) ;;
754 bout) AC_DEFINE(OBJ_MAYBE_BOUT, 1, [b.out support?]) ;;
755 coff) AC_DEFINE(OBJ_MAYBE_COFF, 1, [COFF support?]) ;;
756 ecoff) AC_DEFINE(OBJ_MAYBE_ECOFF, 1, [ECOFF support?]) ;;
757 elf) AC_DEFINE(OBJ_MAYBE_ELF, 1, [ELF support?]) ;;
758 generic) AC_DEFINE(OBJ_MAYBE_GENERIC, 1, [generic support?]) ;;
759 hp300) AC_DEFINE(OBJ_MAYBE_HP300, 1, [HP300 support?]) ;;
760 ieee) AC_DEFINE(OBJ_MAYBE_IEEE, 1, [IEEE support?]) ;;
761 som) AC_DEFINE(OBJ_MAYBE_SOM, 1, [SOM support?]) ;;
762 vms) AC_DEFINE(OBJ_MAYBE_VMS, 1, [VMS support?]) ;;
763 esac
764 extra_objects="$extra_objects obj-$fmt.o"
765 done
766 obj_format=multi
767fi
768if test `set . $emfiles ; shift ; echo $#` -gt 0 ; then
769 DEFAULT_EMULATION=`set . $emulations ; echo $2`
770 # e-mips* has more than one emulation per file, e-i386* has just one at the
771 # moment. If only one emulation is specified, then don't define
772 # USE_EMULATIONS or include any of the e-files as they will only be bloat.
773 case "${obj_format}${emfiles}" in
774 multi* | *mips*)
775 extra_objects="$extra_objects $emfiles"
776 AC_DEFINE(USE_EMULATIONS, 1, [Use emulation support?]) ;;
777 esac
778fi
779AC_SUBST(extra_objects)
780AC_DEFINE_UNQUOTED(EMULATIONS, $EMULATIONS, [Supported emulations.])
781AC_DEFINE_UNQUOTED(DEFAULT_EMULATION, "$DEFAULT_EMULATION",
782 [Default emulation.])
783
784case ${primary_bfd_gas}-${target_cpu_type}-${obj_format} in
785 yes-*-coff) need_bfd=yes ;;
786 no-*-coff) need_bfd=yes
787 AC_DEFINE(MANY_SEGMENTS, 1, [old COFF support?]) ;;
788esac
789
790reject_dev_configs=yes
791
792case ${reject_dev_configs}-${dev} in
793 yes-yes) # Oops.
794 AC_MSG_ERROR(GAS does not support the ${generic_target} configuration.)
795 ;;
796esac
797
798AC_SUBST(target_cpu_type)
799AC_SUBST(obj_format)
800AC_SUBST(te_file)
801AC_SUBST(install_tooldir)
802AC_SUBST(atof)
803dnl AC_SUBST(emulation)
804
805case "${primary_bfd_gas}" in
806 yes) AC_DEFINE(BFD_ASSEMBLER, 1, [Use BFD interface?])
807 need_bfd=yes ;;
808esac
809
810# do we need the opcodes library?
811case "${need_opcodes}" in
812yes)
813 OPCODES_LIB=../opcodes/libopcodes.la
814 ;;
815esac
816
817case "${need_bfd}" in
818yes)
819 BFDLIB=../bfd/libbfd.la
820 ALL_OBJ_DEPS="$ALL_OBJ_DEPS ../bfd/bfd.h"
821 ;;
822esac
823
824AC_SUBST(BFDLIB)
825AC_SUBST(OPCODES_LIB)
826
827AC_SUBST(ALL_OBJ_DEPS)
828
829AC_DEFINE_UNQUOTED(TARGET_ALIAS, "${target_alias}", [Target alias.])
830AC_DEFINE_UNQUOTED(TARGET_CANONICAL, "${target}", [Canonical target.])
831AC_DEFINE_UNQUOTED(TARGET_CPU, "${target_cpu}", [Target CPU.])
832AC_DEFINE_UNQUOTED(TARGET_VENDOR, "${target_vendor}", [Target vendor.])
833AC_DEFINE_UNQUOTED(TARGET_OS, "${target_os}", [Target OS.])
834
835AC_PROG_CC
836
837AC_PROG_YACC
838AM_PROG_LEX
839
840ALL_LINGUAS=
841CY_GNU_GETTEXT
842
843AM_MAINTAINER_MODE
844AC_EXEEXT
845
846AC_CHECK_HEADERS(string.h stdlib.h memory.h strings.h unistd.h stdarg.h varargs.h errno.h sys/types.h)
847
848# Put this here so that autoconf's "cross-compiling" message doesn't confuse
849# people who are not cross-compiling but are compiling cross-assemblers.
850AC_MSG_CHECKING(whether compiling a cross-assembler)
851if test "${host}" = "${target}"; then
852 cross_gas=no
853else
854 cross_gas=yes
855 AC_DEFINE(CROSS_COMPILE, 1, [Compiling cross-assembler?])
856fi
857AC_MSG_RESULT($cross_gas)
858
859dnl ansidecl.h will deal with const
860dnl AC_CONST
861AC_FUNC_ALLOCA
862AC_C_INLINE
863
864# VMS doesn't have unlink.
865AC_CHECK_FUNCS(unlink remove, break)
866
867# Some systems don't have sbrk().
868AC_CHECK_FUNCS(sbrk)
869
870# do we need the math library?
871case "${need_libm}" in
872yes)
873 AC_CHECK_LIBM
874 AC_SUBST(LIBM)
875 ;;
876esac
877
878# Some non-ANSI preprocessors botch requoting inside strings. That's bad
879# enough, but on some of those systems, the assert macro relies on requoting
880# working properly!
881GAS_WORKING_ASSERT
882
883# On some systems, the system header files may not declare malloc, realloc,
884# and free. There are places where gas needs these functions to have been
885# declared -- such as when taking their addresses.
886gas_test_headers="
887#ifdef HAVE_MEMORY_H
888#include <memory.h>
889#endif
890#ifdef HAVE_STRING_H
891#include <string.h>
892#else
893#ifdef HAVE_STRINGS_H
894#include <strings.h>
895#endif
896#endif
897#ifdef HAVE_STDLIB_H
898#include <stdlib.h>
899#endif
900#ifdef HAVE_UNISTD_H
901#include <unistd.h>
902#endif
903"
904GAS_CHECK_DECL_NEEDED(strstr, f, char *(*f)(), $gas_test_headers)
905GAS_CHECK_DECL_NEEDED(malloc, f, char *(*f)(), $gas_test_headers)
906GAS_CHECK_DECL_NEEDED(free, f, void (*f)(), $gas_test_headers)
907GAS_CHECK_DECL_NEEDED(sbrk, f, char *(*f)(), $gas_test_headers)
908GAS_CHECK_DECL_NEEDED(environ, f, char **f, $gas_test_headers)
909
910# Does errno.h declare errno, or do we have to add a separate declaration
911# for it?
912GAS_CHECK_DECL_NEEDED(errno, f, int f, [
913#ifdef HAVE_ERRNO_H
914#include <errno.h>
915#endif
916])
917
918dnl This must come last.
919
920dnl We used to make symlinks to files in the source directory, but now
921dnl we just use the right name for .c files, and create .h files in
922dnl the build directory which include the right .h file. Make sure
923dnl the old symlinks don't exist, so that a reconfigure in an existing
924dnl directory behaves reasonably.
925
926AC_OUTPUT(Makefile doc/Makefile ${GDBINIT}:gdbinit.in po/Makefile.in:po/Make-in,
927[rm -f targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c itbl-cpu.h
928 echo '#include "tc-'"${target_cpu_type}"'.h"' > targ-cpu.h
929 echo '#include "obj-'"${obj_format}"'.h"' > obj-format.h
930 echo '#include "te-'"${te_file}"'.h"' > targ-env.h
931 echo '#include "itbl-'"${target_cpu_type}"'.h"' > itbl-cpu.h
932 if test "x$cgen_cpu_prefix" != x ; then
933 echo '#include "opcodes/'"${cgen_cpu_prefix}"'-desc.h"' > cgen-desc.h
934 fi
935
936 sed -e '/POTFILES =/r po/POTFILES' po/Makefile.in > po/Makefile],
937[target_cpu_type=${target_cpu_type}
938 cgen_cpu_prefix=${cgen_cpu_prefix}
939 obj_format=${obj_format}
940 te_file=${te_file}])
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