Document new --unwind option to readelf.
[deliverable/binutils-gdb.git] / gas / configure.in
CommitLineData
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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
5d64ca4e 12AC_ISC_POSIX
252b5132 13
18e03609 14AM_INIT_AUTOMAKE(gas, 2.10.91)
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15
16AM_PROG_LIBTOOL
17
18user_bfd_gas=
19AC_ARG_ENABLE(bfd-assembler,
20[ --enable-bfd-assembler use BFD back end for writing object files],
21[case "${enableval}" in
22 yes) need_bfd=yes user_bfd_gas=yes ;;
23 no) user_bfd_gas=no ;;
24 *) AC_MSG_ERROR(bad value ${enableval} given for bfd-assembler option) ;;
25esac])dnl
26AC_ARG_ENABLE(targets,
27[ targets alternative target configurations besides the primary],
28[case "${enableval}" in
29 yes | "") AC_ERROR(enable-targets option must specify target names or 'all')
30 ;;
31 no) enable_targets= ;;
32 *) enable_targets=$enableval ;;
33esac])dnl
34AC_ARG_ENABLE(commonbfdlib,
35[ --enable-commonbfdlib build shared BFD/opcodes/libiberty library],
36[case "${enableval}" in
37 yes) commonbfdlib=true ;;
38 no) commonbfdlib=false ;;
39 *) AC_MSG_ERROR([bad value ${enableval} for BFD commonbfdlib option]) ;;
40esac])dnl
41
42using_cgen=no
43
a2d91340
AC
44build_warnings="-W -Wall"
45AC_ARG_ENABLE(build-warnings,
46[ --enable-build-warnings Enable build-time compiler warnings if gcc is used],
47[case "${enableval}" in
48 yes) ;;
49 no) build_warnings="-w";;
50 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
51 build_warnings="${build_warnings} ${t}";;
52 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
53 build_warnings="${t} ${build_warnings}";;
54 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
55esac
56if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
57 echo "Setting warning flags = $build_warnings" 6>&1
58fi])dnl
59WARN_CFLAGS=""
60if test "x${build_warnings}" != x -a "x$GCC" = xyes ; then
61 WARN_CFLAGS="${build_warnings}"
62fi
63AC_SUBST(WARN_CFLAGS)
64
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65# Generate a header file
66AM_CONFIG_HEADER(config.h:config.in)
67
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68# If we are on a DOS filesystem, we must use gdb.ini rather than
69# .gdbinit.
70GDBINIT=".gdbinit"
71case "${host}" in
72 *-*-msdos* | *-*-go32* | *-*-mingw32* | *-*-cygwin* | *-*-windows*)
73 GDBINIT="gdb.ini"
74 ;;
75esac
76AC_SUBST(GDBINIT)
77
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78te_file=generic
79
80# Makefile target for installing gas in $(tooldir)/bin.
81install_tooldir=install-exec-tooldir
82
83canon_targets=""
15886821 84all_targets=no
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85if test -n "$enable_targets" ; then
86 for t in `echo $enable_targets | sed 's/,/ /g'`; do
15886821
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87 if test $t = "all"; then
88 all_targets=yes
89 continue
90 fi
6d83c84b 91 result=`$ac_config_sub $t 2>/dev/null`
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92 if test -n "$result" ; then
93 canon_targets="$canon_targets $result"
94# else
95# # Permit "all", etc. We don't support it yet though.
96# canon_targets="$canon_targets $t"
97 fi
98 done
99 GAS_UNIQ(canon_targets)
100fi
101
102emulations=""
103
104for this_target in $target $canon_targets ; do
105
106changequote(,)dnl
107 eval `echo $this_target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/cpu=\1 vendor=\2 os=\3/'`
108changequote([,])dnl
109
110 # check for architecture variants
111 arch=
112 endian=
113 case ${cpu} in
114 alpha*) cpu_type=alpha ;;
115 armeb) cpu_type=arm endian=big ;;
116 arm*) cpu_type=arm endian=little ;;
117 armb*) cpu_type=arm endian=little ;;
118 armv*l) cpu_type=arm endian=little ;;
119 armv*b) cpu_type=arm endian=big ;;
a1059aed 120 xscale*) cpu_type=arm endian=little ;;
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121 strongarm*) cpu_type=arm endian=little ;;
122 thumb*) cpu_type=arm endian=little ;;
123 hppa*) cpu_type=hppa ;;
124changequote(,)dnl
81c425d1 125 i[3456]86) cpu_type=i386 arch=i386;;
c0d8940f 126 x86_64) cpu_type=i386 arch=x86_64;;
800eeca4 127 ia64) cpu_type=ia64 ;;
6f6ef0fa 128 m6811|m6812|m68hc12) cpu_type=m68hc11 ;;
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129 m680[012346]0) cpu_type=m68k ;;
130changequote([,])dnl
131 m68008) cpu_type=m68k ;;
132 m683??) cpu_type=m68k ;;
133 m5200) cpu_type=m68k ;;
134 m8*) cpu_type=m88k ;;
135 mips*el) cpu_type=mips endian=little ;;
136 mips*) cpu_type=mips endian=big ;;
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137 pjl*) cpu_type=pj endian=little ;;
138 pj*) cpu_type=pj endian=big ;;
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139 powerpcle*) cpu_type=ppc endian=little ;;
140 powerpc*) cpu_type=ppc endian=big ;;
141 rs6000*) cpu_type=ppc ;;
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142 s390x*) cpu_type=s390 arch=s390x ;;
143 s390*) cpu_type=s390 arch=s390 ;;
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144 sparclite*) cpu_type=sparc arch=sparclite ;;
145 sparclet*) cpu_type=sparc arch=sparclet ;;
146 sparc64*) cpu_type=sparc arch=v9-64 ;;
147 sparc86x*) cpu_type=sparc arch=sparc86x ;;
148 sparc*) cpu_type=sparc arch=sparclite ;; # ??? See tc-sparc.c.
149 v850*) cpu_type=v850 ;;
150 *) cpu_type=${cpu} ;;
151 esac
152
153 if test ${this_target} = $target ; then
154 target_cpu_type=${cpu_type}
155 elif test ${target_cpu_type} != ${cpu_type} ; then
156 continue
157 fi
158
159 generic_target=${cpu_type}-$vendor-$os
160 dev=no
161 bfd_gas=no
162 em=generic
163
164 # assign object format
165 case ${generic_target} in
166 a29k-*-coff) fmt=coff ;;
167 a29k-amd-udi) fmt=coff ;;
168 a29k-amd-ebmon) fmt=coff ;;
169 a29k-nyu-sym1) fmt=coff ;;
5f68c319 170 a29k-*-rtems*) fmt=coff ;;
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171 a29k-*-vxworks*) fmt=coff ;;
172
173 alpha*-*-*vms*) fmt=evax ;;
174 alpha*-*-netware*) fmt=ecoff ;;
175 alpha*-*-openbsd*) fmt=ecoff ;;
176 alpha*-*-osf*) fmt=ecoff ;;
177 alpha*-*-linuxecoff*) fmt=ecoff ;;
178 alpha*-*-linux-gnu*) fmt=elf em=linux ;;
179 alpha*-*-netbsd*) fmt=elf em=nbsd ;;
180
181 arc-*-elf*) fmt=elf bfd_gas=yes ;;
182
183 arm-*-aout) fmt=aout ;;
184 arm-*-coff | thumb-*-coff) fmt=coff ;;
5f68c319 185 arm-*-rtems | thumb-*-rtems) fmt=elf ;;
252b5132 186 arm-*-elf | thumb-*-elf) fmt=elf ;;
0decc840 187 arm*-*-conix*) fmt=elf ;;
252b5132 188 arm-*-linux*aout*) fmt=aout em=linux ;;
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189 arm*-*-linux-gnu* | arm*-*-uclinux*)
190 fmt=elf em=linux ;;
c1e73230 191 arm-*-netbsd*) fmt=aout em=nbsd ;;
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192 arm-*-oabi | thumb-*-oabi) fmt=elf ;;
193 arm-epoc-pe | thumb-epoc-pe) fmt=coff em=epoc-pe ;;
c1e73230 194 arm-*-wince) fmt=coff em=wince-pe ;;
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195 arm-*-pe | thumb-*-pe) fmt=coff em=pe ;;
196 arm-*-riscix*) fmt=aout em=riscix ;;
197
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198 avr-*-*) fmt=elf bfd_gas=yes ;;
199
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200 cris-*-*) fmt=multi bfd_gas=yes ;;
201
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202 d10v-*-*) fmt=elf bfd_gas=yes ;;
203 d30v-*-*) fmt=elf bfd_gas=yes ;;
204
205
206 fr30-*-*) fmt=elf bfd_gas=yes ;;
207
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208 hppa-*-linux-gnu*) case ${cpu} in
209 hppa*64*)
210 fmt=elf em=hppalinux64;;
211 hppa*)
212 fmt=elf em=linux;;
213 esac ;;
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214 hppa-*-*elf*) fmt=elf em=hppa ;;
215 hppa-*-lites*) fmt=elf em=hppa ;;
216 hppa-*-osf*) fmt=som em=hppa ;;
217 hppa-*-rtems*) fmt=elf em=hppa ;;
ad1079af 218 hppa-*-hpux11*) case ${cpu} in
c9e10a08 219 hppa*64*)
ad1079af 220 fmt=elf em=hppa64 ;;
c9e10a08 221 hppa*)
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222 fmt=som em=hppa ;;
223 esac ;;
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224 hppa-*-hpux*) fmt=som em=hppa ;;
225 hppa-*-mpeix*) fmt=som em=hppa ;;
226 hppa-*-bsd*) fmt=som em=hppa ;;
227 hppa-*-hiux*) fmt=som em=hppa ;;
228
5f68c319 229 h8300-*-rtems*) fmt=coff ;;
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230 h8300-*-coff) fmt=coff ;;
231
5b93d8bb 232 i370-*-elf* | i370-*-linux*) fmt=elf ;;
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233 i386-ibm-aix*) fmt=coff em=i386aix ;;
234 i386-sequent-bsd*) fmt=aout em=dynix bfd_gas=yes ;;
235 i386-*-beospe*) fmt=coff em=pe bfd_gas=yes ;;
236 i386-*-beoself* | i386-*-beos*) fmt=elf bfd_gas=yes ;;
237 i386-*-bsd*) fmt=aout em=386bsd ;;
238 i386-*-netbsd0.8) fmt=aout em=386bsd ;;
239 i386-*-netbsd*) fmt=aout em=nbsd bfd_gas=yes;;
240 i386-*-openbsd*) fmt=aout em=nbsd bfd_gas=yes;;
241 i386-*-linux*aout* | i386-*-linuxoldld) fmt=aout em=linux ;;
242 i386-*-linux*coff*) fmt=coff em=linux ;;
243 i386-*-linux-gnu*) fmt=elf em=linux bfd_gas=yes ;;
c0d8940f 244 x86_64-*-linux-gnu*) fmt=elf em=linux bfd_gas=yes ;;
252b5132 245 i386-*-lynxos*) fmt=coff em=lynx ;;
f98fd99f 246changequote(,)dnl
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247 i386-*-sysv[45]* | i386-*-solaris* | i386-*-elf)
248 fmt=elf bfd_gas=yes ;;
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249 i386-*-freebsdaout* | i386-*-freebsd[12].* | i386-*-freebsd[12])
250 fmt=aout em=386bsd ;;
f98fd99f 251changequote([,])dnl
008960a5 252 i386-*-freebsd*) fmt=elf bfd_gas=yes ;;
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253 i386-*-coff | i386-*-sysv* | i386-*-sco3.2v5*coff | i386-*-isc*)
254 fmt=coff ;;
255 i386-*-sco3.2v5*) fmt=elf
256 if test ${this_target} = $target; then
257 AC_DEFINE(SCO_ELF, 1,
258 [Define if defaulting to ELF on SCO 5.])
259 fi
260 ;;
261 i386-*-sco3.2*) fmt=coff ;;
262 i386-*-vsta) fmt=aout ;;
263 i386-*-msdosdjgpp* | i386-*-go32* | i386-go32-rtems*)
349a994c 264 fmt=coff em=go32 bfd_gas=yes
56385375
L
265 AC_DEFINE(STRICTCOFF, 1, [Using strict COFF?])
266 ;;
53f3de98 267 i386-*-rtemself*) fmt=elf ;;
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268 i386-*-rtems*) fmt=coff ;;
269 i386-*-gnu*) fmt=elf ;;
270 i386-*-mach*)
271 fmt=aout em=mach bfd_gas=yes ;;
272 i386-*-msdos*) fmt=aout ;;
273 i386-*-moss*) fmt=elf ;;
c1e73230 274 i386-*-pe) fmt=coff em=pe bfd_gas=yes ;;
252b5132 275 i386-*-cygwin*) fmt=coff em=pe bfd_gas=yes ;;
9750fcc5 276 i386-*-interix*) fmt=coff em=interix bfd_gas=yes ;;
252b5132 277 i386-*-mingw32*) fmt=coff em=pe bfd_gas=yes ;;
c1e73230 278 i386-*-*nt*) fmt=coff em=pe bfd_gas=yes ;;
29fe79d3 279 i386-*-vxworks*) fmt=aout ;;
59ff2774 280 i386-*-chaos) fmt=elf ;;
aa8c34c3
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281 i860-stardent-sysv4* | i860-stardent-elf*)
282 fmt=elf bfd_gas=yes endian=little
283 AC_MSG_WARN(GAS support for ${generic_target} is preliminary and a work in progress) ;;
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284 i960-*-bout) fmt=bout ;;
285 i960-*-coff) fmt=coff em=ic960 ;;
286 i960-*-rtems*) fmt=coff em=ic960 ;;
287 i960-*-nindy*) fmt=bout ;;
288 i960-*-vxworks4*) fmt=bout ;;
289 i960-*-vxworks5.0) fmt=bout ;;
290 i960-*-vxworks5.*) fmt=coff em=ic960 ;;
291 i960-*-vxworks*) fmt=bout ;;
bedf545c 292 i960-*-elf*) fmt=elf ;;
252b5132 293
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JW
294 ia64-*-elf*) fmt=elf ;;
295 ia64-*-linux-gnu*) fmt=elf em=linux ;;
44f5c83a 296 ia64-*-hpux*) fmt=elf em=hpux ;;
800eeca4 297
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298 m32r-*-*) fmt=elf bfd_gas=yes ;;
299
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300 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)fmt=elf bfd_gas=yes ;;
301
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302 m68k-*-vxworks* | m68k-ericsson-ose | m68k-*-sunos*)
303 fmt=aout em=sun3 ;;
304 m68k-motorola-sysv*) fmt=coff em=delta ;;
305 m68k-bull-sysv3*) fmt=coff em=dpx2 ;;
306 m68k-apollo-*) fmt=coff em=apollo ;;
307 m68k-*-sysv4*) # must be before -sysv*
308 fmt=elf em=svr4 ;;
309 m68k-*-elf*) fmt=elf ;;
310 m68k-*-coff | m68k-*-sysv* | m68k-*-rtems*)
311 fmt=coff ;;
312 m68k-*-hpux*) fmt=hp300 em=hp300 ;;
313 m68k-*-linux*aout*) fmt=aout em=linux ;;
314 m68k-*-linux-gnu*) fmt=elf em=linux ;;
315 m68k-*-gnu*) fmt=elf ;;
316 m68k-*-lynxos*) fmt=coff em=lynx ;;
317 m68k-*-netbsd*) fmt=aout em=nbsd bfd_gas=yes ;;
318 m68k-*-openbsd*) fmt=aout em=nbsd bfd_gas=yes ;;
319 m68k-apple-aux*) fmt=coff em=aux ;;
320 m68k-*-psos*) fmt=elf em=psos;;
321
322 m88k-motorola-sysv3*) fmt=coff em=delt88 ;;
323 m88k-*-coff*) fmt=coff ;;
324
325 mcore-*-elf) fmt=elf bfd_gas=yes ;;
326 mcore-*-pe) fmt=coff em=pe bfd_gas=yes ;;
327
328 # don't change em like *-*-bsd does
329 mips-dec-netbsd*) fmt=elf endian=little ;;
330 mips-dec-openbsd*) fmt=elf endian=little ;;
331 mips-dec-bsd*) fmt=aout endian=little ;;
332 mips-sony-bsd*) fmt=ecoff ;;
333 mips-*-bsd*) AC_MSG_ERROR(Unknown vendor for mips-bsd configuration.) ;;
334 mips-*-ultrix*) fmt=ecoff endian=little ;;
335 mips-*-osf*) fmt=ecoff endian=little ;;
336 mips-*-ecoff*) fmt=ecoff ;;
337 mips-*-ecoff*) fmt=ecoff ;;
056350c6 338 mips-*-pe*) fmt=coff endian=little em=pe ;;
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339 mips-*-irix6*) fmt=elf ;;
340 mips-*-irix5*) fmt=elf ;;
341 mips-*-irix*) fmt=ecoff ;;
342 mips-*-lnews*) fmt=ecoff em=lnews ;;
343 mips-*-riscos*) fmt=ecoff ;;
906fac54 344 mips-*-sysv4*MP*) fmt=elf em=tmips ;;
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345 mips-*-sysv*) fmt=ecoff ;;
346 mips-*-elf* | mips-*-rtems* | mips-*-linux-gnu* | mips-*-gnu* | mips-*-openbsd*)
347 fmt=elf ;;
348 mips-*-vxworks*) fmt=elf
349 AC_DEFINE(MIPS_STABS_ELF, 1,
350 [Use ELF stabs for MIPS, not ECOFF stabs])
351 ;;
352 mn10200-*-*) fmt=elf bfd_gas=yes ;;
353 mn10300-*-*) fmt=elf bfd_gas=yes ;;
041dd5a9 354 pj*) fmt=elf ;;
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355 ppc-*-pe | ppc-*-cygwin* | ppc-*-winnt*)
356 fmt=coff em=pe ;;
357 ppc-*-aix*) fmt=coff ;;
358 ppc-*-beos*) fmt=coff ;;
359 ppc-*-*bsd* | ppc-*-elf* | ppc-*-eabi* | ppc-*-sysv4*)
360 fmt=elf ;;
361 ppc-*-linux-gnu*) fmt=elf
362 case "$endian" in
363 big) ;;
364 *) AC_MSG_ERROR(GNU/Linux must be configured big endian) ;;
365 esac
366 ;;
367 ppc-*-solaris*) fmt=elf
368 if test ${this_target} = $target; then
369 AC_DEFINE(TARGET_SOLARIS_COMMENT, 1,
370 [Define if default target is PowerPC Solaris.])
371 fi
372 if test x${endian} = xbig; then
373 AC_MSG_ERROR(Solaris must be configured little endian)
374 fi
375 ;;
376 ppc-*-rtems*) fmt=elf ;;
377 ppc-*-macos* | ppc-*-mpw*)
378 fmt=coff em=macos ;;
379 ppc-*-netware*) fmt=elf em=ppcnw ;;
e4a86f6f 380 ppc-*-vxworks*) fmt=elf ;;
252b5132 381
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382 s390x-*-linux-gnu*) fmt=elf em=linux ;;
383 s390-*-linux-gnu*) fmt=elf em=linux ;;
384
d07ed2cd 385 sh-*-linux*) fmt=elf em=linux ;;
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386 sh-*-elf*) fmt=elf ;;
387 sh-*-coff*) fmt=coff ;;
056350c6 388 sh-*-pe*) fmt=coff em=pe bfd_gas=yes;;
53f3de98 389 sh-*-rtemself*) fmt=elf ;;
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390 sh-*-rtems*) fmt=coff ;;
391
392 ns32k-pc532-mach* | ns32k-pc532-ux*) fmt=aout em=pc532mach ;;
393 ns32k-pc532-netbsd* | ns32k-pc532-lites*) fmt=aout em=nbsd532 ;;
394 ns32k-pc532-openbsd*) fmt=aout em=nbsd532 ;;
395
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396 sparc-*-rtemsaout*) fmt=aout ;;
397 sparc-*-rtemself*) fmt=elf ;;
398 sparc-*-rtems*) fmt=elf ;;
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399 sparc-*-sunos4*) fmt=aout em=sun3 ;;
400 sparc-*-aout | sparc*-*-vxworks*)
401 fmt=aout em=sparcaout ;;
402 sparc-*-coff) fmt=coff ;;
403 sparc-*-linux*aout*) fmt=aout em=linux ;;
404 sparc-*-linux-gnu*) fmt=elf em=linux ;;
405 sparc-*-lynxos*) fmt=coff em=lynx ;;
406 sparc-fujitsu-none) fmt=aout ;;
407 sparc-*-elf | sparc-*-sysv4* | sparc-*-solaris*)
408 fmt=elf ;;
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409 sparc-*-netbsd*) em=nbsd bfd_gas=yes
410 case ${cpu} in
411 sparc) case ${os} in
412 *elf*) fmt=elf ;;
413 *) fmt=aout ;;
414 esac ;;
415 sparc64) fmt=elf ;;
416 esac
417 ;;
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418 sparc-*-openbsd*) fmt=aout em=nbsd ;;
419
420 strongarm-*-coff) fmt=coff ;;
421 strongarm-*-elf) fmt=elf ;;
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422 xscale-*-coff) fmt=coff ;;
423 xscale-*-elf) fmt=elf ;;
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424
425 tic30-*-*aout*) fmt=aout bfd_gas=yes ;;
426 tic30-*-*coff*) fmt=coff bfd_gas=yes ;;
39bec121
TW
427 tic54x-*-* | c54x*-*-*)
428 fmt=coff bfd_gas=yes need_libm=yes;;
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429 tic80-*-*) fmt=coff ;;
430
431 v850-*-*) fmt=elf bfd_gas=yes ;;
432 v850e-*-*) fmt=elf bfd_gas=yes ;;
433 v850ea-*-*) fmt=elf bfd_gas=yes ;;
434
435 vax-*-bsd* | vax-*-ultrix*)
436 fmt=aout ;;
437 vax-*-vms) fmt=vms ;;
438
439
440 z8k-*-coff | z8k-*-sim)
441 fmt=coff ;;
442
443 w65-*-*) fmt=coff ;;
444
445 *-*-aout | *-*-scout)
446 fmt=aout ;;
447 *-*-nindy*)
448 fmt=bout ;;
449 *-*-bsd*)
450 fmt=aout em=sun3 ;;
451 *-*-generic) fmt=generic ;;
452 *-*-xray | *-*-hms) fmt=coff ;;
453 *-*-sim) fmt=coff ;;
454 *-*-elf | *-*-sysv4* | *-*-solaris*)
455 AC_MSG_WARN(GAS support for ${generic_target} is incomplete.)
456 fmt=elf dev=yes ;;
457 *-*-vxworks) fmt=aout ;;
458 *-*-netware) fmt=elf ;;
459 esac
460
461 if test ${this_target} = $target ; then
462 endian_def=
463 if test x${endian} = xbig; then
464 endian_def=1
465 elif test x${endian} = xlittle; then
466 endian_def=0
467 fi
468 if test x${endian_def} != x; then
469 AC_DEFINE_UNQUOTED(TARGET_BYTES_BIG_ENDIAN, $endian_def,
470 [Define as 1 if big endian.])
471 fi
472 fi
473
474 case ${cpu_type}-${fmt} in
475 alpha*-*) bfd_gas=yes ;;
476 arm-*) bfd_gas=yes ;;
477 # not yet
478 # i386-aout) bfd_gas=preferred ;;
800eeca4 479 ia64*-*) bfd_gas=yes ;;
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480 mips-*) bfd_gas=yes ;;
481 ns32k-*) bfd_gas=yes ;;
482 ppc-*) bfd_gas=yes ;;
483 sparc-*) bfd_gas=yes ;;
484 strongarm-*) bfd_gas=yes ;;
e972090a 485 xscale-*) bfd_gas=yes ;;
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486 *-elf) bfd_gas=yes ;;
487 *-ecoff) bfd_gas=yes ;;
488 *-som) bfd_gas=yes ;;
4c63da97
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489 #enable bfd for coff and aout to allow testing if a bfd target is
490 #the primary target, but not for coff or aout as the primary target
4ca72d38 491 i386-coff) if test x${primary_bfd_gas} = xyes; then bfd_gas=yes; fi ;;
4c63da97 492 i386-aout) if test x${primary_bfd_gas} = xyes; then bfd_gas=yes; fi ;;
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493 *) ;;
494 esac
495
496# Other random stuff.
497
498 # Do we need the opcodes library?
499 case ${cpu_type} in
500 vax | i386 | tic30)
501 ;;
502
503 *)
504 need_opcodes=yes
505
506 case "${enable_shared}" in
507 yes) shared_opcodes=true ;;
508 *opcodes*) shared_opcodes=true ;;
509 *) shared_opcodes=false ;;
510 esac
511 if test "${shared_opcodes}" = "true"; then
512 # A shared libopcodes must be linked against libbfd.
513 need_bfd=yes
514 fi
515 ;;
516 esac
517
518 # Any other special object files needed ?
519 case ${cpu_type} in
520 fr30 | m32r)
521 using_cgen=yes
522 ;;
523
524 m68k)
525 case ${extra_objects} in
526 *m68k-parse.o*) ;;
527 *) extra_objects="$extra_objects m68k-parse.o" ;;
528 esac
529 ;;
530
a85d7ed0
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531 s390)
532 if test $this_target = $target ; then
533 AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
534 fi
535 ;;
536
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537 mips)
538 echo ${extra_objects} | grep -s "itbl-parse.o"
539 if test $? -ne 0 ; then
540 extra_objects="$extra_objects itbl-parse.o"
541 fi
542
543 echo ${extra_objects} | grep -s "itbl-lex.o"
544 if test $? -ne 0 ; then
545 extra_objects="$extra_objects itbl-lex.o"
546 fi
547
548 echo ${extra_objects} | grep -s "itbl-ops.o"
549 if test $? -ne 0 ; then
550 extra_objects="$extra_objects itbl-ops.o"
551 fi
552 ;;
553
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554 i386)
555 if test $this_target = $target ; then
556 AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
557 fi
558 ;;
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559 sparc)
560 if test $this_target = $target ; then
561 AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
562 fi
563 ;;
564 *)
565 ;;
566 esac
567
568 if test $using_cgen = yes ; then
569 case "x${extra_objects}" in
570 *cgen.o*) ;;
571 *) extra_objects="$extra_objects cgen.o" ;;
572 esac
573 fi
574
575# See if we really can support this configuration with the emulation code.
576
577 if test $this_target = $target ; then
578 primary_bfd_gas=$bfd_gas
579 obj_format=$fmt
580 te_file=$em
581
582 if test $bfd_gas = no ; then
583 # Can't support other configurations this way.
584 break
585 fi
586 elif test $bfd_gas = no ; then
587 # Can't support this configuration.
588 break
589 fi
590
591# From target name and format, produce a list of supported emulations.
592
593 case ${generic_target}-${fmt} in
594 mips-*-irix5*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
595 mips-*-linux-gnu*-*) case "$endian" in
596 big) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
597 *) emulation="mipslelf mipsbelf mipself mipslecoff mipsbecoff mipsecoff" ;;
598 esac ;;
599 mips-*-lnews*-ecoff) ;;
600 mips-*-*-ecoff) case "$endian" in
601 big) emulation="mipsbecoff mipslecoff mipsecoff" ;;
602 *) emulation="mipslecoff mipsbecoff mipsecoff" ;;
603 esac ;;
604 mips-*-*-elf) case "$endian" in
605 big) emulation="mipsbelf mipslelf mipself" ;;
606 *) emulation="mipslelf mipsbelf mipself" ;;
252b5132 607 esac ;;
906fac54 608 mips-*-sysv4*MP*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
119caedd
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609 # i386-pc-pe-coff != i386-pc-coff.
610 i386-*-pe-coff) ;;
4c63da97
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611 # Uncommenting the next line will turn on support for i386 AOUT
612 # for the default linux configuration
613 # i386-*-linux*-elf) emulation="i386elf i386aout" ;;
614 #
615 i386-*-aout) emulation="i386aout" ;;
4ca72d38 616 i386-*-coff) emulation="i386coff" ;;
4c63da97 617 i386-*-elf) emulation="i386elf" ;;
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618
619 # Always all formats. Having a.out first makes it the default.
620 cris-*-*) emulation="crisaout criself" ;;
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621 esac
622
623 emulations="$emulations $emulation"
624
625done
626
15886821
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627# Turn on all targets if possible
628if test ${all_targets} = "yes"; then
629 case ${target_cpu_type} in
630 i386)
631 case ${obj_format} in
632 aout)
633 emulations="$emulations i386coff i386elf"
634 ;;
635 coff)
636 emulations="$emulations i386aout i386elf"
637 ;;
638 elf)
639 emulations="$emulations i386aout i386coff"
640 ;;
641 esac
642 ;;
643 esac
644fi
645
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646# Assign floating point type. Most processors with FP support
647# IEEE FP. On those that don't support FP at all, usually IEEE
648# is emulated.
649case ${target_cpu} in
650 vax | tahoe ) atof=${target_cpu} ;;
651 *) atof=ieee ;;
652esac
653
654case "${obj_format}" in
655 "") AC_MSG_ERROR(GAS does not know what format to use for target ${target}) ;;
656esac
657
658# Unfortunately the cpu in cpu-opc.h file isn't always $(TARGET_CPU).
659cgen_cpu_prefix=""
660if test $using_cgen = yes ; then
661 case ${target_cpu} in
662 *) cgen_cpu_prefix=${target_cpu} ;;
663 esac
664 AC_SUBST(cgen_cpu_prefix)
665 AC_DEFINE(USING_CGEN, 1, [Using cgen code?])
666fi
667
668dnl
669dnl Make sure the desired support files exist.
670dnl
671
672if test ! -r ${srcdir}/config/tc-${target_cpu_type}.c; then
673 AC_MSG_ERROR(GAS does not support target CPU ${target_cpu_type})
674fi
675
676if test ! -r ${srcdir}/config/obj-${obj_format}.c; then
677 AC_MSG_ERROR(GAS does not have support for object file format ${obj_format})
678fi
679
680case ${user_bfd_gas}-${primary_bfd_gas} in
681 yes-yes | no-no)
682 # We didn't override user's choice.
683 ;;
684 no-yes)
685 AC_MSG_WARN(Use of BFD is required for ${target}; overriding config options.)
686 ;;
687 no-preferred)
688 primary_bfd_gas=no
689 ;;
690 *-preferred)
691 primary_bfd_gas=yes
692 ;;
693 yes-*)
694 primary_bfd_gas=yes
695 ;;
696 -*)
697 # User specified nothing.
698 ;;
699esac
700
701# Some COFF configurations want these random other flags set.
702case ${obj_format} in
703 coff)
704 case ${target_cpu_type} in
705 i386) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
706 m68k) AC_DEFINE(M68KCOFF, 1, [Using m68k COFF?]) ;;
707 m88k) AC_DEFINE(M88KCOFF, 1, [Using m88k COFF?]) ;;
708 esac
709 ;;
710esac
711
712# Getting this done right is going to be a bitch. Each configuration specified
713# with --enable-targets=... should be checked for environment, format, cpu, and
714# bfd_gas setting.
715#
716# For each configuration, the necessary object file support code must be linked
717# in. This might be only one, it might be up to four. The necessary emulation
718# code needs to be provided, too.
719#
720# And then there's "--enable-targets=all"....
721#
722# For now, just always do it for MIPS ELF or ECOFF configurations. Sigh.
723
724formats="${obj_format}"
725emfiles=""
726EMULATIONS=""
727GAS_UNIQ(emulations)
728for em in . $emulations ; do
729 case $em in
730 .) continue ;;
731 mipsbelf | mipslelf)
732 fmt=elf file=mipself ;;
733 mipsbecoff | mipslecoff)
734 fmt=ecoff file=mipsecoff ;;
0aa5d426
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735 *coff)
736 fmt=coff file=$em ;;
737 *aout)
738 fmt=aout file=$em ;;
739 *elf)
740 fmt=elf file=$em ;;
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741 esac
742 formats="$formats $fmt"
743 emfiles="$emfiles e-$file.o"
744 EMULATIONS="$EMULATIONS &$em,"
745done
746GAS_UNIQ(formats)
747GAS_UNIQ(emfiles)
748if test `set . $formats ; shift ; echo $#` -gt 1 ; then
749 for fmt in $formats ; do
750 case $fmt in
751 aout) AC_DEFINE(OBJ_MAYBE_AOUT, 1, [a.out support?]) ;;
752 bout) AC_DEFINE(OBJ_MAYBE_BOUT, 1, [b.out support?]) ;;
753 coff) AC_DEFINE(OBJ_MAYBE_COFF, 1, [COFF support?]) ;;
754 ecoff) AC_DEFINE(OBJ_MAYBE_ECOFF, 1, [ECOFF support?]) ;;
755 elf) AC_DEFINE(OBJ_MAYBE_ELF, 1, [ELF support?]) ;;
756 generic) AC_DEFINE(OBJ_MAYBE_GENERIC, 1, [generic support?]) ;;
757 hp300) AC_DEFINE(OBJ_MAYBE_HP300, 1, [HP300 support?]) ;;
758 ieee) AC_DEFINE(OBJ_MAYBE_IEEE, 1, [IEEE support?]) ;;
759 som) AC_DEFINE(OBJ_MAYBE_SOM, 1, [SOM support?]) ;;
760 vms) AC_DEFINE(OBJ_MAYBE_VMS, 1, [VMS support?]) ;;
761 esac
762 extra_objects="$extra_objects obj-$fmt.o"
763 done
764 obj_format=multi
765fi
766if test `set . $emfiles ; shift ; echo $#` -gt 0 ; then
252b5132 767 DEFAULT_EMULATION=`set . $emulations ; echo $2`
4ca72d38
AM
768 # e-mips* has more than one emulation per file, e-i386* has just one at the
769 # moment. If only one emulation is specified, then don't define
770 # USE_EMULATIONS or include any of the e-files as they will only be bloat.
771 case "${obj_format}${emfiles}" in
772 multi* | *mips*)
4ca72d38
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773 extra_objects="$extra_objects $emfiles"
774 AC_DEFINE(USE_EMULATIONS, 1, [Use emulation support?]) ;;
775 esac
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776fi
777AC_SUBST(extra_objects)
778AC_DEFINE_UNQUOTED(EMULATIONS, $EMULATIONS, [Supported emulations.])
779AC_DEFINE_UNQUOTED(DEFAULT_EMULATION, "$DEFAULT_EMULATION",
780 [Default emulation.])
781
782case ${primary_bfd_gas}-${target_cpu_type}-${obj_format} in
783 yes-*-coff) need_bfd=yes ;;
784 no-*-coff) need_bfd=yes
785 AC_DEFINE(MANY_SEGMENTS, 1, [old COFF support?]) ;;
786esac
787
788reject_dev_configs=yes
789
790case ${reject_dev_configs}-${dev} in
791 yes-yes) # Oops.
792 AC_MSG_ERROR(GAS does not support the ${generic_target} configuration.)
793 ;;
794esac
795
796AC_SUBST(target_cpu_type)
797AC_SUBST(obj_format)
798AC_SUBST(te_file)
799AC_SUBST(install_tooldir)
800AC_SUBST(atof)
801dnl AC_SUBST(emulation)
802
803case "${primary_bfd_gas}" in
804 yes) AC_DEFINE(BFD_ASSEMBLER, 1, [Use BFD interface?])
805 need_bfd=yes ;;
806esac
807
808# do we need the opcodes library?
809case "${need_opcodes}" in
810yes)
811 OPCODES_LIB=../opcodes/libopcodes.la
812 ;;
813esac
814
815case "${need_bfd}" in
816yes)
817 BFDLIB=../bfd/libbfd.la
818 ALL_OBJ_DEPS="$ALL_OBJ_DEPS ../bfd/bfd.h"
819 ;;
820esac
821
822AC_SUBST(BFDLIB)
823AC_SUBST(OPCODES_LIB)
824
825AC_SUBST(ALL_OBJ_DEPS)
826
827AC_DEFINE_UNQUOTED(TARGET_ALIAS, "${target_alias}", [Target alias.])
828AC_DEFINE_UNQUOTED(TARGET_CANONICAL, "${target}", [Canonical target.])
829AC_DEFINE_UNQUOTED(TARGET_CPU, "${target_cpu}", [Target CPU.])
830AC_DEFINE_UNQUOTED(TARGET_VENDOR, "${target_vendor}", [Target vendor.])
831AC_DEFINE_UNQUOTED(TARGET_OS, "${target_os}", [Target OS.])
832
833AC_PROG_CC
834
835AC_PROG_YACC
836AM_PROG_LEX
837
838ALL_LINGUAS=
839CY_GNU_GETTEXT
840
841AM_MAINTAINER_MODE
842AC_EXEEXT
843
844AC_CHECK_HEADERS(string.h stdlib.h memory.h strings.h unistd.h stdarg.h varargs.h errno.h sys/types.h)
845
846# Put this here so that autoconf's "cross-compiling" message doesn't confuse
847# people who are not cross-compiling but are compiling cross-assemblers.
848AC_MSG_CHECKING(whether compiling a cross-assembler)
849if test "${host}" = "${target}"; then
850 cross_gas=no
851else
852 cross_gas=yes
853 AC_DEFINE(CROSS_COMPILE, 1, [Compiling cross-assembler?])
854fi
855AC_MSG_RESULT($cross_gas)
856
857dnl ansidecl.h will deal with const
858dnl AC_CONST
859AC_FUNC_ALLOCA
860AC_C_INLINE
861
862# VMS doesn't have unlink.
863AC_CHECK_FUNCS(unlink remove, break)
864
865# Some systems don't have sbrk().
866AC_CHECK_FUNCS(sbrk)
867
39bec121
TW
868# do we need the math library?
869case "${need_libm}" in
870yes)
871 AC_CHECK_LIBM
872 AC_SUBST(LIBM)
873 ;;
874esac
875
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876# Some non-ANSI preprocessors botch requoting inside strings. That's bad
877# enough, but on some of those systems, the assert macro relies on requoting
878# working properly!
879GAS_WORKING_ASSERT
880
881# On some systems, the system header files may not declare malloc, realloc,
882# and free. There are places where gas needs these functions to have been
883# declared -- such as when taking their addresses.
884gas_test_headers="
885#ifdef HAVE_MEMORY_H
886#include <memory.h>
887#endif
888#ifdef HAVE_STRING_H
889#include <string.h>
890#else
891#ifdef HAVE_STRINGS_H
892#include <strings.h>
893#endif
894#endif
895#ifdef HAVE_STDLIB_H
896#include <stdlib.h>
897#endif
898#ifdef HAVE_UNISTD_H
899#include <unistd.h>
900#endif
901"
902GAS_CHECK_DECL_NEEDED(strstr, f, char *(*f)(), $gas_test_headers)
903GAS_CHECK_DECL_NEEDED(malloc, f, char *(*f)(), $gas_test_headers)
904GAS_CHECK_DECL_NEEDED(free, f, void (*f)(), $gas_test_headers)
905GAS_CHECK_DECL_NEEDED(sbrk, f, char *(*f)(), $gas_test_headers)
906GAS_CHECK_DECL_NEEDED(environ, f, char **f, $gas_test_headers)
907
908# Does errno.h declare errno, or do we have to add a separate declaration
909# for it?
910GAS_CHECK_DECL_NEEDED(errno, f, int f, [
911#ifdef HAVE_ERRNO_H
912#include <errno.h>
913#endif
914])
915
916dnl This must come last.
917
918dnl We used to make symlinks to files in the source directory, but now
919dnl we just use the right name for .c files, and create .h files in
920dnl the build directory which include the right .h file. Make sure
921dnl the old symlinks don't exist, so that a reconfigure in an existing
922dnl directory behaves reasonably.
923
76a27922 924AC_OUTPUT(Makefile doc/Makefile ${GDBINIT}:gdbinit.in po/Makefile.in:po/Make-in,
252b5132
RH
925[rm -f targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c itbl-cpu.h
926 echo '#include "tc-'"${target_cpu_type}"'.h"' > targ-cpu.h
927 echo '#include "obj-'"${obj_format}"'.h"' > obj-format.h
928 echo '#include "te-'"${te_file}"'.h"' > targ-env.h
929 echo '#include "itbl-'"${target_cpu_type}"'.h"' > itbl-cpu.h
930 if test "x$cgen_cpu_prefix" != x ; then
931 echo '#include "opcodes/'"${cgen_cpu_prefix}"'-desc.h"' > cgen-desc.h
932 fi
933
934 sed -e '/POTFILES =/r po/POTFILES' po/Makefile.in > po/Makefile],
935[target_cpu_type=${target_cpu_type}
936 cgen_cpu_prefix=${cgen_cpu_prefix}
937 obj_format=${obj_format}
938 te_file=${te_file}])
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