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* read.c (TC_IMPLICIT_LCOMM_ALIGNMENT): New default-definition.
[deliverable/binutils-gdb.git] / gas / configure.in
CommitLineData
252b5132
RH		 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
12
0ed15843 13AM_INIT_AUTOMAKE(gas, 2.9.5)
252b5132
RH		 14
15AM_PROG_LIBTOOL
16
17user_bfd_gas=
18AC_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 ${enableval} given for bfd-assembler option) ;;
24esac])dnl
25AC_ARG_ENABLE(targets,
26[ targets alternative target configurations besides the primary],
27[case "${enableval}" in
28 yes | "") AC_ERROR(enable-targets option must specify target names or 'all')
29 ;;
30 no) enable_targets= ;;
31 *) enable_targets=$enableval ;;
32esac])dnl
33AC_ARG_ENABLE(commonbfdlib,
34[ --enable-commonbfdlib build shared BFD/opcodes/libiberty library],
35[case "${enableval}" in
36 yes) commonbfdlib=true ;;
37 no) commonbfdlib=false ;;
38 *) AC_MSG_ERROR([bad value ${enableval} for BFD commonbfdlib option]) ;;
39esac])dnl
40
41using_cgen=no
42
43# Generate a header file
44AM_CONFIG_HEADER(config.h:config.in)
45
76a27922
ILT		 46# If we are on a DOS filesystem, we must use gdb.ini rather than
47# .gdbinit.
48GDBINIT=".gdbinit"
49case "${host}" in
50 *-*-msdos* | *-*-go32* | *-*-mingw32* | *-*-cygwin* | *-*-windows*)
51 GDBINIT="gdb.ini"
52 ;;
53esac
54AC_SUBST(GDBINIT)
55
252b5132
RH		 56te_file=generic
57
58# Makefile target for installing gas in $(tooldir)/bin.
59install_tooldir=install-exec-tooldir
60
61canon_targets=""
15886821 62all_targets=no
252b5132
RH		 63if test -n "$enable_targets" ; then
64 for t in `echo $enable_targets | sed 's/,/ /g'`; do
15886821
L		 65 if test $t = "all"; then
66 all_targets=yes
67 continue
68 fi
6d83c84b 69 result=`$ac_config_sub $t 2>/dev/null`
252b5132
RH		 70 if test -n "$result" ; then
71 canon_targets="$canon_targets $result"
72# else
73# # Permit "all", etc. We don't support it yet though.
74# canon_targets="$canon_targets $t"
75 fi
76 done
77 GAS_UNIQ(canon_targets)
78fi
79
80emulations=""
81
82for this_target in $target $canon_targets ; do
83
84changequote(,)dnl
85 eval `echo $this_target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/cpu=\1 vendor=\2 os=\3/'`
86changequote([,])dnl
87
88 # check for architecture variants
89 arch=
90 endian=
91 case ${cpu} in
92 alpha*) cpu_type=alpha ;;
93 armeb) cpu_type=arm endian=big ;;
94 arm*) cpu_type=arm endian=little ;;
95 armb*) cpu_type=arm endian=little ;;
96 armv*l) cpu_type=arm endian=little ;;
97 armv*b) cpu_type=arm endian=big ;;
98 strongarm*) cpu_type=arm endian=little ;;
99 thumb*) cpu_type=arm endian=little ;;
100 hppa*) cpu_type=hppa ;;
101changequote(,)dnl
102 i[456]86) cpu_type=i386 ;;
103 m680[012346]0) cpu_type=m68k ;;
104changequote([,])dnl
105 m68008) cpu_type=m68k ;;
106 m683??) cpu_type=m68k ;;
107 m5200) cpu_type=m68k ;;
108 m8*) cpu_type=m88k ;;
109 mips*el) cpu_type=mips endian=little ;;
110 mips*) cpu_type=mips endian=big ;;
041dd5a9
ILT		 111 pjl*) cpu_type=pj endian=little ;;
112 pj*) cpu_type=pj endian=big ;;
252b5132
RH		 113 powerpcle*) cpu_type=ppc endian=little ;;
114 powerpc*) cpu_type=ppc endian=big ;;
115 rs6000*) cpu_type=ppc ;;
116 sparclite*) cpu_type=sparc arch=sparclite ;;
117 sparclet*) cpu_type=sparc arch=sparclet ;;
118 sparc64*) cpu_type=sparc arch=v9-64 ;;
119 sparc86x*) cpu_type=sparc arch=sparc86x ;;
120 sparc*) cpu_type=sparc arch=sparclite ;; # ??? See tc-sparc.c.
121 v850*) cpu_type=v850 ;;
122 *) cpu_type=${cpu} ;;
123 esac
124
125 if test ${this_target} = $target ; then
126 target_cpu_type=${cpu_type}
127 elif test ${target_cpu_type} != ${cpu_type} ; then
128 continue
129 fi
130
131 generic_target=${cpu_type}-$vendor-$os
132 dev=no
133 bfd_gas=no
134 em=generic
135
136 # assign object format
137 case ${generic_target} in
138 a29k-*-coff) fmt=coff ;;
139 a29k-amd-udi) fmt=coff ;;
140 a29k-amd-ebmon) fmt=coff ;;
141 a29k-nyu-sym1) fmt=coff ;;
142 a29k-*-vxworks*) fmt=coff ;;
143
144 alpha*-*-*vms*) fmt=evax ;;
145 alpha*-*-netware*) fmt=ecoff ;;
146 alpha*-*-openbsd*) fmt=ecoff ;;
147 alpha*-*-osf*) fmt=ecoff ;;
148 alpha*-*-linuxecoff*) fmt=ecoff ;;
149 alpha*-*-linux-gnu*) fmt=elf em=linux ;;
150 alpha*-*-netbsd*) fmt=elf em=nbsd ;;
151
152 arc-*-elf*) fmt=elf bfd_gas=yes ;;
153
154 arm-*-aout) fmt=aout ;;
155 arm-*-coff | thumb-*-coff) fmt=coff ;;
156 arm-*-elf | thumb-*-elf) fmt=elf ;;
0decc840 157 arm*-*-conix*) fmt=elf ;;
252b5132 158 arm-*-linux*aout*) fmt=aout em=linux ;;
0decc840 159 arm*-*-linux-gnu*) fmt=elf em=linux ;;
252b5132
RH		 160 arm-*-netbsd*) fmt=aout em=nbsd bfd_gas=yes ;;
161 arm-*-oabi | thumb-*-oabi) fmt=elf ;;
162 arm-epoc-pe | thumb-epoc-pe) fmt=coff em=epoc-pe ;;
056350c6 163 arm-*-wince) fmt=coff em=wince-pe bfd_gas=yes;;
252b5132
RH		 164 arm-*-pe | thumb-*-pe) fmt=coff em=pe ;;
165 arm-*-riscix*) fmt=aout em=riscix ;;
166
167 d10v-*-*) fmt=elf bfd_gas=yes ;;
168 d30v-*-*) fmt=elf bfd_gas=yes ;;
169
170
171 fr30-*-*) fmt=elf bfd_gas=yes ;;
172
173 hppa-*-*elf*) fmt=elf em=hppa ;;
7d4ce8a9 174 hppa-*-linux-gnu*) fmt=elf em=hppa ;;
252b5132
RH		 175 hppa-*-lites*) fmt=elf em=hppa ;;
176 hppa-*-osf*) fmt=som em=hppa ;;
177 hppa-*-rtems*) fmt=elf em=hppa ;;
178 hppa-*-hpux*) fmt=som em=hppa ;;
179 hppa-*-mpeix*) fmt=som em=hppa ;;
180 hppa-*-bsd*) fmt=som em=hppa ;;
181 hppa-*-hiux*) fmt=som em=hppa ;;
182
183 h8300-*-coff) fmt=coff ;;
184
5b93d8bb 185 i370-*-elf* | i370-*-linux*) fmt=elf ;;
252b5132
RH		 186 i386-ibm-aix*) fmt=coff em=i386aix ;;
187 i386-sequent-bsd*) fmt=aout em=dynix bfd_gas=yes ;;
188 i386-*-beospe*) fmt=coff em=pe bfd_gas=yes ;;
189 i386-*-beoself* | i386-*-beos*) fmt=elf bfd_gas=yes ;;
190 i386-*-bsd*) fmt=aout em=386bsd ;;
191 i386-*-netbsd0.8) fmt=aout em=386bsd ;;
192 i386-*-netbsd*) fmt=aout em=nbsd bfd_gas=yes;;
193 i386-*-openbsd*) fmt=aout em=nbsd bfd_gas=yes;;
194 i386-*-linux*aout* | i386-*-linuxoldld) fmt=aout em=linux ;;
195 i386-*-linux*coff*) fmt=coff em=linux ;;
196 i386-*-linux-gnu*) fmt=elf em=linux bfd_gas=yes ;;
197 i386-*-lynxos*) fmt=coff em=lynx ;;
198 i386-*-sysv4* | i386-*-solaris* | i386-*-elf)
199 fmt=elf bfd_gas=yes ;;
008960a5
ILT		 200 i386-*-freebsdaout* | i386-*-freebsd[12].* | i386-*-freebsd[12])
201 fmt=aout em=386bsd ;;
202 i386-*-freebsd*) fmt=elf bfd_gas=yes ;;
252b5132
RH		 203 i386-*-coff | i386-*-sysv* | i386-*-sco3.2v5*coff | i386-*-isc*)
204 fmt=coff ;;
205 i386-*-sco3.2v5*) fmt=elf
206 if test ${this_target} = $target; then
207 AC_DEFINE(SCO_ELF, 1,
208 [Define if defaulting to ELF on SCO 5.])
209 fi
210 ;;
211 i386-*-sco3.2*) fmt=coff ;;
212 i386-*-vsta) fmt=aout ;;
213 i386-*-msdosdjgpp* | i386-*-go32* | i386-go32-rtems*)
214 fmt=coff em=go32;;
53f3de98 215 i386-*-rtemself*) fmt=elf ;;
252b5132
RH		 216 i386-*-rtems*) fmt=coff ;;
217 i386-*-gnu*) fmt=elf ;;
218 i386-*-mach*)
219 fmt=aout em=mach bfd_gas=yes ;;
220 i386-*-msdos*) fmt=aout ;;
221 i386-*-moss*) fmt=elf ;;
222 i386-*-pe) fmt=coff em=pe ;;
223 i386-*-cygwin*) fmt=coff em=pe bfd_gas=yes ;;
9750fcc5 224 i386-*-interix*) fmt=coff em=interix bfd_gas=yes ;;
252b5132
RH		 225 i386-*-mingw32*) fmt=coff em=pe bfd_gas=yes ;;
226 i386-*-*nt*) fmt=coff em=pe ;;
29fe79d3 227 i386-*-vxworks*) fmt=aout ;;
252b5132
RH		 228 i960-*-bout) fmt=bout ;;
229 i960-*-coff) fmt=coff em=ic960 ;;
230 i960-*-rtems*) fmt=coff em=ic960 ;;
231 i960-*-nindy*) fmt=bout ;;
232 i960-*-vxworks4*) fmt=bout ;;
233 i960-*-vxworks5.0) fmt=bout ;;
234 i960-*-vxworks5.*) fmt=coff em=ic960 ;;
235 i960-*-vxworks*) fmt=bout ;;
bedf545c 236 i960-*-elf*) fmt=elf ;;
252b5132
RH		 237
238 m32r-*-*) fmt=elf bfd_gas=yes ;;
239
240 m68k-*-vxworks* | m68k-ericsson-ose | m68k-*-sunos*)
241 fmt=aout em=sun3 ;;
242 m68k-motorola-sysv*) fmt=coff em=delta ;;
243 m68k-bull-sysv3*) fmt=coff em=dpx2 ;;
244 m68k-apollo-*) fmt=coff em=apollo ;;
245 m68k-*-sysv4*) # must be before -sysv*
246 fmt=elf em=svr4 ;;
247 m68k-*-elf*) fmt=elf ;;
248 m68k-*-coff | m68k-*-sysv* | m68k-*-rtems*)
249 fmt=coff ;;
250 m68k-*-hpux*) fmt=hp300 em=hp300 ;;
251 m68k-*-linux*aout*) fmt=aout em=linux ;;
252 m68k-*-linux-gnu*) fmt=elf em=linux ;;
253 m68k-*-gnu*) fmt=elf ;;
254 m68k-*-lynxos*) fmt=coff em=lynx ;;
255 m68k-*-netbsd*) fmt=aout em=nbsd bfd_gas=yes ;;
256 m68k-*-openbsd*) fmt=aout em=nbsd bfd_gas=yes ;;
257 m68k-apple-aux*) fmt=coff em=aux ;;
258 m68k-*-psos*) fmt=elf em=psos;;
259
260 m88k-motorola-sysv3*) fmt=coff em=delt88 ;;
261 m88k-*-coff*) fmt=coff ;;
262
263 mcore-*-elf) fmt=elf bfd_gas=yes ;;
264 mcore-*-pe) fmt=coff em=pe bfd_gas=yes ;;
265
266 # don't change em like *-*-bsd does
267 mips-dec-netbsd*) fmt=elf endian=little ;;
268 mips-dec-openbsd*) fmt=elf endian=little ;;
269 mips-dec-bsd*) fmt=aout endian=little ;;
270 mips-sony-bsd*) fmt=ecoff ;;
271 mips-*-bsd*) AC_MSG_ERROR(Unknown vendor for mips-bsd configuration.) ;;
272 mips-*-ultrix*) fmt=ecoff endian=little ;;
273 mips-*-osf*) fmt=ecoff endian=little ;;
274 mips-*-ecoff*) fmt=ecoff ;;
275 mips-*-ecoff*) fmt=ecoff ;;
056350c6 276 mips-*-pe*) fmt=coff endian=little em=pe ;;
252b5132
RH		 277 mips-*-irix6*) fmt=elf ;;
278 mips-*-irix5*) fmt=elf ;;
279 mips-*-irix*) fmt=ecoff ;;
280 mips-*-lnews*) fmt=ecoff em=lnews ;;
281 mips-*-riscos*) fmt=ecoff ;;
282 mips-*-sysv*) fmt=ecoff ;;
283 mips-*-elf* | mips-*-rtems* | mips-*-linux-gnu* | mips-*-gnu* | mips-*-openbsd*)
284 fmt=elf ;;
285 mips-*-vxworks*) fmt=elf
286 AC_DEFINE(MIPS_STABS_ELF, 1,
287 [Use ELF stabs for MIPS, not ECOFF stabs])
288 ;;
289 mn10200-*-*) fmt=elf bfd_gas=yes ;;
290 mn10300-*-*) fmt=elf bfd_gas=yes ;;
041dd5a9 291 pj*) fmt=elf ;;
252b5132
RH		 292 ppc-*-pe | ppc-*-cygwin* | ppc-*-winnt*)
293 fmt=coff em=pe ;;
294 ppc-*-aix*) fmt=coff ;;
295 ppc-*-beos*) fmt=coff ;;
296 ppc-*-*bsd* | ppc-*-elf* | ppc-*-eabi* | ppc-*-sysv4*)
297 fmt=elf ;;
298 ppc-*-linux-gnu*) fmt=elf
299 case "$endian" in
300 big) ;;
301 *) AC_MSG_ERROR(GNU/Linux must be configured big endian) ;;
302 esac
303 ;;
304 ppc-*-solaris*) fmt=elf
305 if test ${this_target} = $target; then
306 AC_DEFINE(TARGET_SOLARIS_COMMENT, 1,
307 [Define if default target is PowerPC Solaris.])
308 fi
309 if test x${endian} = xbig; then
310 AC_MSG_ERROR(Solaris must be configured little endian)
311 fi
312 ;;
313 ppc-*-rtems*) fmt=elf ;;
314 ppc-*-macos* | ppc-*-mpw*)
315 fmt=coff em=macos ;;
316 ppc-*-netware*) fmt=elf em=ppcnw ;;
e4a86f6f 317 ppc-*-vxworks*) fmt=elf ;;
252b5132
RH		 318
319 sh-*-elf*) fmt=elf ;;
320 sh-*-coff*) fmt=coff ;;
056350c6 321 sh-*-pe*) fmt=coff em=pe bfd_gas=yes;;
53f3de98 322 sh-*-rtemself*) fmt=elf ;;
252b5132
RH		 323 sh-*-rtems*) fmt=coff ;;
324
325 ns32k-pc532-mach* | ns32k-pc532-ux*) fmt=aout em=pc532mach ;;
326 ns32k-pc532-netbsd* | ns32k-pc532-lites*) fmt=aout em=nbsd532 ;;
327 ns32k-pc532-openbsd*) fmt=aout em=nbsd532 ;;
328
329 sparc-*-rtems*) fmt=aout ;;
330 sparc-*-sunos4*) fmt=aout em=sun3 ;;
331 sparc-*-aout | sparc*-*-vxworks*)
332 fmt=aout em=sparcaout ;;
333 sparc-*-coff) fmt=coff ;;
334 sparc-*-linux*aout*) fmt=aout em=linux ;;
335 sparc-*-linux-gnu*) fmt=elf em=linux ;;
336 sparc-*-lynxos*) fmt=coff em=lynx ;;
337 sparc-fujitsu-none) fmt=aout ;;
338 sparc-*-elf | sparc-*-sysv4* | sparc-*-solaris*)
339 fmt=elf ;;
340 sparc-*-netbsd*) fmt=aout em=nbsd ;;
341 sparc-*-openbsd*) fmt=aout em=nbsd ;;
342
343 strongarm-*-coff) fmt=coff ;;
344 strongarm-*-elf) fmt=elf ;;
345
346 tic30-*-*aout*) fmt=aout bfd_gas=yes ;;
347 tic30-*-*coff*) fmt=coff bfd_gas=yes ;;
348 tic80-*-*) fmt=coff ;;
349
350 v850-*-*) fmt=elf bfd_gas=yes ;;
351 v850e-*-*) fmt=elf bfd_gas=yes ;;
352 v850ea-*-*) fmt=elf bfd_gas=yes ;;
353
354 vax-*-bsd* | vax-*-ultrix*)
355 fmt=aout ;;
356 vax-*-vms) fmt=vms ;;
357
358
359 z8k-*-coff | z8k-*-sim)
360 fmt=coff ;;
361
362 w65-*-*) fmt=coff ;;
363
364 *-*-aout | *-*-scout)
365 fmt=aout ;;
366 *-*-nindy*)
367 fmt=bout ;;
368 *-*-bsd*)
369 fmt=aout em=sun3 ;;
370 *-*-generic) fmt=generic ;;
371 *-*-xray | *-*-hms) fmt=coff ;;
372 *-*-sim) fmt=coff ;;
373 *-*-elf | *-*-sysv4* | *-*-solaris*)
374 AC_MSG_WARN(GAS support for ${generic_target} is incomplete.)
375 fmt=elf dev=yes ;;
376 *-*-vxworks) fmt=aout ;;
377 *-*-netware) fmt=elf ;;
378 esac
379
380 if test ${this_target} = $target ; then
381 endian_def=
382 if test x${endian} = xbig; then
383 endian_def=1
384 elif test x${endian} = xlittle; then
385 endian_def=0
386 fi
387 if test x${endian_def} != x; then
388 AC_DEFINE_UNQUOTED(TARGET_BYTES_BIG_ENDIAN, $endian_def,
389 [Define as 1 if big endian.])
390 fi
391 fi
392
393 case ${cpu_type}-${fmt} in
394 alpha*-*) bfd_gas=yes ;;
395 arm-*) bfd_gas=yes ;;
396 # not yet
397 # i386-aout) bfd_gas=preferred ;;
398 mips-*) bfd_gas=yes ;;
399 ns32k-*) bfd_gas=yes ;;
400 ppc-*) bfd_gas=yes ;;
401 sparc-*) bfd_gas=yes ;;
402 strongarm-*) bfd_gas=yes ;;
403 *-elf) bfd_gas=yes ;;
404 *-ecoff) bfd_gas=yes ;;
405 *-som) bfd_gas=yes ;;
4c63da97
AM		 406 #enable bfd for coff and aout to allow testing if a bfd target is
407 #the primary target, but not for coff or aout as the primary target
4ca72d38 408 i386-coff) if test x${primary_bfd_gas} = xyes; then bfd_gas=yes; fi ;;
4c63da97 409 i386-aout) if test x${primary_bfd_gas} = xyes; then bfd_gas=yes; fi ;;
252b5132
RH		 410 *) ;;
411 esac
412
413# Other random stuff.
414
415 # Do we need the opcodes library?
416 case ${cpu_type} in
417 vax | i386 | tic30)
418 ;;
419
420 *)
421 need_opcodes=yes
422
423 case "${enable_shared}" in
424 yes) shared_opcodes=true ;;
425 *opcodes*) shared_opcodes=true ;;
426 *) shared_opcodes=false ;;
427 esac
428 if test "${shared_opcodes}" = "true"; then
429 # A shared libopcodes must be linked against libbfd.
430 need_bfd=yes
431 fi
432 ;;
433 esac
434
435 # Any other special object files needed ?
436 case ${cpu_type} in
437 fr30 | m32r)
438 using_cgen=yes
439 ;;
440
441 m68k)
442 case ${extra_objects} in
443 *m68k-parse.o*) ;;
444 *) extra_objects="$extra_objects m68k-parse.o" ;;
445 esac
446 ;;
447
448 mips)
449 echo ${extra_objects} | grep -s "itbl-parse.o"
450 if test $? -ne 0 ; then
451 extra_objects="$extra_objects itbl-parse.o"
452 fi
453
454 echo ${extra_objects} | grep -s "itbl-lex.o"
455 if test $? -ne 0 ; then
456 extra_objects="$extra_objects itbl-lex.o"
457 fi
458
459 echo ${extra_objects} | grep -s "itbl-ops.o"
460 if test $? -ne 0 ; then
461 extra_objects="$extra_objects itbl-ops.o"
462 fi
463 ;;
464
465 sparc)
466 if test $this_target = $target ; then
467 AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
468 fi
469 ;;
470 *)
471 ;;
472 esac
473
474 if test $using_cgen = yes ; then
475 case "x${extra_objects}" in
476 *cgen.o*) ;;
477 *) extra_objects="$extra_objects cgen.o" ;;
478 esac
479 fi
480
481# See if we really can support this configuration with the emulation code.
482
483 if test $this_target = $target ; then
484 primary_bfd_gas=$bfd_gas
485 obj_format=$fmt
486 te_file=$em
487
488 if test $bfd_gas = no ; then
489 # Can't support other configurations this way.
490 break
491 fi
492 elif test $bfd_gas = no ; then
493 # Can't support this configuration.
494 break
495 fi
496
497# From target name and format, produce a list of supported emulations.
498
499 case ${generic_target}-${fmt} in
500 mips-*-irix5*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
501 mips-*-linux-gnu*-*) case "$endian" in
502 big) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
503 *) emulation="mipslelf mipsbelf mipself mipslecoff mipsbecoff mipsecoff" ;;
504 esac ;;
505 mips-*-lnews*-ecoff) ;;
506 mips-*-*-ecoff) case "$endian" in
507 big) emulation="mipsbecoff mipslecoff mipsecoff" ;;
508 *) emulation="mipslecoff mipsbecoff mipsecoff" ;;
509 esac ;;
510 mips-*-*-elf) case "$endian" in
511 big) emulation="mipsbelf mipslelf mipself" ;;
512 *) emulation="mipslelf mipsbelf mipself" ;;
252b5132 513 esac ;;
4c63da97
AM		 514 # Uncommenting the next line will turn on support for i386 AOUT
515 # for the default linux configuration
516 # i386-*-linux*-elf) emulation="i386elf i386aout" ;;
517 #
518 i386-*-aout) emulation="i386aout" ;;
4ca72d38 519 i386-*-coff) emulation="i386coff" ;;
4c63da97 520 i386-*-elf) emulation="i386elf" ;;
252b5132
RH		 521 esac
522
523 emulations="$emulations $emulation"
524
525done
526
15886821
L		 527# Turn on all targets if possible
528if test ${all_targets} = "yes"; then
529 case ${target_cpu_type} in
530 i386)
531 case ${obj_format} in
532 aout)
533 emulations="$emulations i386coff i386elf"
534 ;;
535 coff)
536 emulations="$emulations i386aout i386elf"
537 ;;
538 elf)
539 emulations="$emulations i386aout i386coff"
540 ;;
541 esac
542 ;;
543 esac
544fi
545
252b5132
RH		 546# Assign floating point type. Most processors with FP support
547# IEEE FP. On those that don't support FP at all, usually IEEE
548# is emulated.
549case ${target_cpu} in
550 vax | tahoe ) atof=${target_cpu} ;;
551 *) atof=ieee ;;
552esac
553
554case "${obj_format}" in
555 "") AC_MSG_ERROR(GAS does not know what format to use for target ${target}) ;;
556esac
557
558# Unfortunately the cpu in cpu-opc.h file isn't always $(TARGET_CPU).
559cgen_cpu_prefix=""
560if test $using_cgen = yes ; then
561 case ${target_cpu} in
562 *) cgen_cpu_prefix=${target_cpu} ;;
563 esac
564 AC_SUBST(cgen_cpu_prefix)
565 AC_DEFINE(USING_CGEN, 1, [Using cgen code?])
566fi
567
568dnl
569dnl Make sure the desired support files exist.
570dnl
571
572if test ! -r ${srcdir}/config/tc-${target_cpu_type}.c; then
573 AC_MSG_ERROR(GAS does not support target CPU ${target_cpu_type})
574fi
575
576if test ! -r ${srcdir}/config/obj-${obj_format}.c; then
577 AC_MSG_ERROR(GAS does not have support for object file format ${obj_format})
578fi
579
580case ${user_bfd_gas}-${primary_bfd_gas} in
581 yes-yes | no-no)
582 # We didn't override user's choice.
583 ;;
584 no-yes)
585 AC_MSG_WARN(Use of BFD is required for ${target}; overriding config options.)
586 ;;
587 no-preferred)
588 primary_bfd_gas=no
589 ;;
590 *-preferred)
591 primary_bfd_gas=yes
592 ;;
593 yes-*)
594 primary_bfd_gas=yes
595 ;;
596 -*)
597 # User specified nothing.
598 ;;
599esac
600
601# Some COFF configurations want these random other flags set.
602case ${obj_format} in
603 coff)
604 case ${target_cpu_type} in
605 i386) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
606 m68k) AC_DEFINE(M68KCOFF, 1, [Using m68k COFF?]) ;;
607 m88k) AC_DEFINE(M88KCOFF, 1, [Using m88k COFF?]) ;;
608 esac
609 ;;
610esac
611
612# Getting this done right is going to be a bitch. Each configuration specified
613# with --enable-targets=... should be checked for environment, format, cpu, and
614# bfd_gas setting.
615#
616# For each configuration, the necessary object file support code must be linked
617# in. This might be only one, it might be up to four. The necessary emulation
618# code needs to be provided, too.
619#
620# And then there's "--enable-targets=all"....
621#
622# For now, just always do it for MIPS ELF or ECOFF configurations. Sigh.
623
624formats="${obj_format}"
625emfiles=""
626EMULATIONS=""
627GAS_UNIQ(emulations)
628for em in . $emulations ; do
629 case $em in
630 .) continue ;;
631 mipsbelf | mipslelf)
632 fmt=elf file=mipself ;;
633 mipsbecoff | mipslecoff)
634 fmt=ecoff file=mipsecoff ;;
4c63da97
AM		 635 i386aout)
636 fmt=aout file=i386aout ;;
252b5132
RH		 637 i386coff)
638 fmt=coff file=i386coff ;;
639 i386elf)
640 fmt=elf file=i386elf ;;
641 esac
642 formats="$formats $fmt"
643 emfiles="$emfiles e-$file.o"
644 EMULATIONS="$EMULATIONS &$em,"
645done
646GAS_UNIQ(formats)
647GAS_UNIQ(emfiles)
648if test `set . $formats ; shift ; echo $#` -gt 1 ; then
649 for fmt in $formats ; do
650 case $fmt in
651 aout) AC_DEFINE(OBJ_MAYBE_AOUT, 1, [a.out support?]) ;;
652 bout) AC_DEFINE(OBJ_MAYBE_BOUT, 1, [b.out support?]) ;;
653 coff) AC_DEFINE(OBJ_MAYBE_COFF, 1, [COFF support?]) ;;
654 ecoff) AC_DEFINE(OBJ_MAYBE_ECOFF, 1, [ECOFF support?]) ;;
655 elf) AC_DEFINE(OBJ_MAYBE_ELF, 1, [ELF support?]) ;;
656 generic) AC_DEFINE(OBJ_MAYBE_GENERIC, 1, [generic support?]) ;;
657 hp300) AC_DEFINE(OBJ_MAYBE_HP300, 1, [HP300 support?]) ;;
658 ieee) AC_DEFINE(OBJ_MAYBE_IEEE, 1, [IEEE support?]) ;;
659 som) AC_DEFINE(OBJ_MAYBE_SOM, 1, [SOM support?]) ;;
660 vms) AC_DEFINE(OBJ_MAYBE_VMS, 1, [VMS support?]) ;;
661 esac
662 extra_objects="$extra_objects obj-$fmt.o"
663 done
664 obj_format=multi
665fi
666if test `set . $emfiles ; shift ; echo $#` -gt 0 ; then
252b5132 667 DEFAULT_EMULATION=`set . $emulations ; echo $2`
4ca72d38
AM		 668 # e-mips* has more than one emulation per file, e-i386* has just one at the
669 # moment. If only one emulation is specified, then don't define
670 # USE_EMULATIONS or include any of the e-files as they will only be bloat.
671 case "${obj_format}${emfiles}" in
672 multi* | *mips*)
4ca72d38
AM		 673 extra_objects="$extra_objects $emfiles"
674 AC_DEFINE(USE_EMULATIONS, 1, [Use emulation support?]) ;;
675 esac
252b5132
RH		 676fi
677AC_SUBST(extra_objects)
678AC_DEFINE_UNQUOTED(EMULATIONS, $EMULATIONS, [Supported emulations.])
679AC_DEFINE_UNQUOTED(DEFAULT_EMULATION, "$DEFAULT_EMULATION",
680 [Default emulation.])
681
682case ${primary_bfd_gas}-${target_cpu_type}-${obj_format} in
683 yes-*-coff) need_bfd=yes ;;
684 no-*-coff) need_bfd=yes
685 AC_DEFINE(MANY_SEGMENTS, 1, [old COFF support?]) ;;
686esac
687
688reject_dev_configs=yes
689
690case ${reject_dev_configs}-${dev} in
691 yes-yes) # Oops.
692 AC_MSG_ERROR(GAS does not support the ${generic_target} configuration.)
693 ;;
694esac
695
696AC_SUBST(target_cpu_type)
697AC_SUBST(obj_format)
698AC_SUBST(te_file)
699AC_SUBST(install_tooldir)
700AC_SUBST(atof)
701dnl AC_SUBST(emulation)
702
703case "${primary_bfd_gas}" in
704 yes) AC_DEFINE(BFD_ASSEMBLER, 1, [Use BFD interface?])
705 need_bfd=yes ;;
706esac
707
708# do we need the opcodes library?
709case "${need_opcodes}" in
710yes)
711 OPCODES_LIB=../opcodes/libopcodes.la
712 ;;
713esac
714
715case "${need_bfd}" in
716yes)
717 BFDLIB=../bfd/libbfd.la
718 ALL_OBJ_DEPS="$ALL_OBJ_DEPS ../bfd/bfd.h"
719 ;;
720esac
721
722AC_SUBST(BFDLIB)
723AC_SUBST(OPCODES_LIB)
724
725AC_SUBST(ALL_OBJ_DEPS)
726
727AC_DEFINE_UNQUOTED(TARGET_ALIAS, "${target_alias}", [Target alias.])
728AC_DEFINE_UNQUOTED(TARGET_CANONICAL, "${target}", [Canonical target.])
729AC_DEFINE_UNQUOTED(TARGET_CPU, "${target_cpu}", [Target CPU.])
730AC_DEFINE_UNQUOTED(TARGET_VENDOR, "${target_vendor}", [Target vendor.])
731AC_DEFINE_UNQUOTED(TARGET_OS, "${target_os}", [Target OS.])
732
733AC_PROG_CC
734
735AC_PROG_YACC
736AM_PROG_LEX
737
738ALL_LINGUAS=
739CY_GNU_GETTEXT
740
741AM_MAINTAINER_MODE
742AC_EXEEXT
743
744AC_CHECK_HEADERS(string.h stdlib.h memory.h strings.h unistd.h stdarg.h varargs.h errno.h sys/types.h)
745
746# Put this here so that autoconf's "cross-compiling" message doesn't confuse
747# people who are not cross-compiling but are compiling cross-assemblers.
748AC_MSG_CHECKING(whether compiling a cross-assembler)
749if test "${host}" = "${target}"; then
750 cross_gas=no
751else
752 cross_gas=yes
753 AC_DEFINE(CROSS_COMPILE, 1, [Compiling cross-assembler?])
754fi
755AC_MSG_RESULT($cross_gas)
756
757dnl ansidecl.h will deal with const
758dnl AC_CONST
759AC_FUNC_ALLOCA
760AC_C_INLINE
761
762# VMS doesn't have unlink.
763AC_CHECK_FUNCS(unlink remove, break)
764
765# Some systems don't have sbrk().
766AC_CHECK_FUNCS(sbrk)
767
768# Some non-ANSI preprocessors botch requoting inside strings. That's bad
769# enough, but on some of those systems, the assert macro relies on requoting
770# working properly!
771GAS_WORKING_ASSERT
772
773# On some systems, the system header files may not declare malloc, realloc,
774# and free. There are places where gas needs these functions to have been
775# declared -- such as when taking their addresses.
776gas_test_headers="
777#ifdef HAVE_MEMORY_H
778#include <memory.h>
779#endif
780#ifdef HAVE_STRING_H
781#include <string.h>
782#else
783#ifdef HAVE_STRINGS_H
784#include <strings.h>
785#endif
786#endif
787#ifdef HAVE_STDLIB_H
788#include <stdlib.h>
789#endif
790#ifdef HAVE_UNISTD_H
791#include <unistd.h>
792#endif
793"
794GAS_CHECK_DECL_NEEDED(strstr, f, char *(*f)(), $gas_test_headers)
795GAS_CHECK_DECL_NEEDED(malloc, f, char *(*f)(), $gas_test_headers)
796GAS_CHECK_DECL_NEEDED(free, f, void (*f)(), $gas_test_headers)
797GAS_CHECK_DECL_NEEDED(sbrk, f, char *(*f)(), $gas_test_headers)
798GAS_CHECK_DECL_NEEDED(environ, f, char **f, $gas_test_headers)
799
800# Does errno.h declare errno, or do we have to add a separate declaration
801# for it?
802GAS_CHECK_DECL_NEEDED(errno, f, int f, [
803#ifdef HAVE_ERRNO_H
804#include <errno.h>
805#endif
806])
807
808dnl This must come last.
809
810dnl We used to make symlinks to files in the source directory, but now
811dnl we just use the right name for .c files, and create .h files in
812dnl the build directory which include the right .h file. Make sure
813dnl the old symlinks don't exist, so that a reconfigure in an existing
814dnl directory behaves reasonably.
815
76a27922 816AC_OUTPUT(Makefile doc/Makefile ${GDBINIT}:gdbinit.in po/Makefile.in:po/Make-in,
252b5132
RH		 817[rm -f targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c itbl-cpu.h
818 echo '#include "tc-'"${target_cpu_type}"'.h"' > targ-cpu.h
819 echo '#include "obj-'"${obj_format}"'.h"' > obj-format.h
820 echo '#include "te-'"${te_file}"'.h"' > targ-env.h
821 echo '#include "itbl-'"${target_cpu_type}"'.h"' > itbl-cpu.h
822 if test "x$cgen_cpu_prefix" != x ; then
823 echo '#include "opcodes/'"${cgen_cpu_prefix}"'-desc.h"' > cgen-desc.h
824 fi
825
826 sed -e '/POTFILES =/r po/POTFILES' po/Makefile.in > po/Makefile],
827[target_cpu_type=${target_cpu_type}
828 cgen_cpu_prefix=${cgen_cpu_prefix}
829 obj_format=${obj_format}
830 te_file=${te_file}])
GDB Binutils - Deliverables
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