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252b5132
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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
e407c74b 6dnl Copyright 2012, 2013 Free Software Foundation
5bf135a7
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7dnl
8dnl This file is free software; you can redistribute it and/or modify
9dnl it under the terms of the GNU General Public License as published by
10dnl the Free Software Foundation; either version 3 of the License, or
11dnl (at your option) any later version.
12dnl
13dnl This program is distributed in the hope that it will be useful,
14dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
15dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16dnl GNU General Public License for more details.
17dnl
18dnl You should have received a copy of the GNU General Public License
19dnl along with this program; see the file COPYING3. If not see
20dnl <http://www.gnu.org/licenses/>.
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21dnl
22dnl v2.5 needed for --bindir et al
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23AC_PREREQ(2.59)
24AC_INIT
25AC_CONFIG_SRCDIR(as.h)
252b5132 26
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27dnl Autoconf 2.57 will find the aux dir without this. However, unless
28dnl we specify this explicitly, automake-1.7 will assume that ylwrap is in
29dnl gas/ instead of gas/../.
30AC_CONFIG_AUX_DIR(..)
da594c4a 31AC_CANONICAL_TARGET
5d64ca4e 32AC_ISC_POSIX
252b5132 33
27b7e12d 34changequote(,)dnl
c4dd807e 35BFD_VERSION=`${srcdir}/../bfd/configure --version | sed -n -e '1s,.* ,,p'`
27b7e12d
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36changequote([,])dnl
37AM_INIT_AUTOMAKE(gas, ${BFD_VERSION})
252b5132 38
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39AC_PROG_CC
40AC_GNU_SOURCE
7357c5b6 41AC_USE_SYSTEM_EXTENSIONS
da2f07f1 42ACX_LARGEFILE
ce2cded5 43
da594c4a 44LT_INIT
252b5132 45
252b5132 46AC_ARG_ENABLE(targets,
241a6c40 47[ --enable-targets alternative target configurations besides the primary],
252b5132 48[case "${enableval}" in
da594c4a 49 yes | "") AC_MSG_ERROR(enable-targets option must specify target names or 'all')
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50 ;;
51 no) enable_targets= ;;
52 *) enable_targets=$enableval ;;
53esac])dnl
c43a438d 54
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55ac_checking=yes
56if grep '^RELEASE=y' ${srcdir}/../bfd/Makefile.am >/dev/null 2>/dev/null ; then
57 ac_checking=
58fi
59AC_ARG_ENABLE(checking,
60[ --enable-checking enable run-time checks],
61[case "${enableval}" in
62 no|none) ac_checking= ;;
63 *) ac_checking=yes ;;
64esac])dnl
65if test x$ac_checking != x ; then
66 AC_DEFINE(ENABLE_CHECKING, 1, [Define if you want run-time sanity checks.])
67fi
68
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69using_cgen=no
70
9e9b66a9 71AM_BINUTILS_WARNINGS
a2d91340 72
252b5132 73# Generate a header file
da594c4a 74AC_CONFIG_HEADERS(config.h:config.in)
252b5132 75
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76# PR 14072
77AH_VERBATIM([00_CONFIG_H_CHECK],
78[/* Check that config.h is #included before system headers
79 (this works only for glibc, but that should be enough). */
d17dce55 80#if defined(__GLIBC__) && !defined(__FreeBSD_kernel__) && !defined(__CONFIG_H__)
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81# error config.h must be #included before system headers
82#endif
83#define __CONFIG_H__ 1])
84
76a27922
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85# If we are on a DOS filesystem, we must use gdb.ini rather than
86# .gdbinit.
76a27922 87case "${host}" in
591d4689 88 *-*-msdos* | *-*-go32* | *-*-mingw32* | *-*-windows*)
76a27922 89 GDBINIT="gdb.ini"
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90 AC_CONFIG_FILES(gdb.ini:gdbinit.in)
91 ;;
92 *)
93 GDBINIT=".gdbinit"
94 AC_CONFIG_FILES(.gdbinit:gdbinit.in)
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95 ;;
96esac
97AC_SUBST(GDBINIT)
98
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99#We need this for the host. BOUT header is in host order.
100AC_C_BIGENDIAN
101
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102te_file=generic
103
104# Makefile target for installing gas in $(tooldir)/bin.
105install_tooldir=install-exec-tooldir
106
107canon_targets=""
15886821 108all_targets=no
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109if test -n "$enable_targets" ; then
110 for t in `echo $enable_targets | sed 's/,/ /g'`; do
15886821
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111 if test $t = "all"; then
112 all_targets=yes
113 continue
114 fi
6d83c84b 115 result=`$ac_config_sub $t 2>/dev/null`
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116 if test -n "$result" ; then
117 canon_targets="$canon_targets $result"
118# else
119# # Permit "all", etc. We don't support it yet though.
120# canon_targets="$canon_targets $t"
121 fi
122 done
123 GAS_UNIQ(canon_targets)
124fi
125
126emulations=""
127
128for this_target in $target $canon_targets ; do
129
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130 targ=${this_target}
131 . ${srcdir}/configure.tgt
132
133 case ${target_cpu} in
134 crisv32)
135 AC_DEFINE_UNQUOTED(DEFAULT_CRIS_ARCH, $arch,
136 [Default CRIS architecture.])
137 ;;
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138 esac
139
140 if test ${this_target} = $target ; then
141 target_cpu_type=${cpu_type}
142 elif test ${target_cpu_type} != ${cpu_type} ; then
143 continue
144 fi
145
14ee9f48 146 generic_target=${cpu_type}-${target_vendor}-${target_os}
252b5132 147 case ${generic_target} in
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148 i386-*-sco3.2v5*)
149 if test ${this_target} = $target; then
150 AC_DEFINE(SCO_ELF, 1, [Define if defaulting to ELF on SCO 5.])
151 fi
152 ;;
1fe1f39c 153
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154 i386-*-msdosdjgpp* \
155 | i386-*-go32* \
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156 | i386-go32-rtems*)
157 AC_DEFINE(STRICTCOFF, 1, [Using strict COFF?])
158 ;;
79500683 159
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160 i860-*-*)
161 AC_MSG_WARN(GAS support for ${generic_target} is preliminary and a work in progress)
162 ;;
79500683 163
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164 microblaze*)
165 ;;
166
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167changequote(,)dnl
168 ppc-*-aix[5-9].*)
169changequote([,])dnl
14ee9f48 170 AC_DEFINE(AIX_WEAK_SUPPORT, 1,
f8fc3443 171 [Define if using AIX 5.2 value for C_WEAKEXT.])
14ee9f48 172 ;;
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173 ppc-*-solaris*)
174 if test ${this_target} = $target; then
175 AC_DEFINE(TARGET_SOLARIS_COMMENT, 1,
176 [Define if default target is PowerPC Solaris.])
177 fi
178 if test x${endian} = xbig; then
179 AC_MSG_ERROR(Solaris must be configured little endian)
180 fi
181 ;;
182
183 sh*-*-symbianelf*)
184 AC_DEFINE(TARGET_SYMBIAN, 1, [Define if target is Symbian OS.])
185 ;;
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186 esac
187
188 if test ${this_target} = $target ; then
189 endian_def=
190 if test x${endian} = xbig; then
191 endian_def=1
192 elif test x${endian} = xlittle; then
193 endian_def=0
194 fi
195 if test x${endian_def} != x; then
196 AC_DEFINE_UNQUOTED(TARGET_BYTES_BIG_ENDIAN, $endian_def,
197 [Define as 1 if big endian.])
198 fi
199 fi
200
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201# Other random stuff.
202
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203 case ${cpu_type} in
204 mips)
205 # Set mips_cpu to the name of the default CPU.
206 case ${target_cpu} in
207 mips | mipsbe | mipseb | mipsle | mipsel | mips64 | mips64el)
208 mips_cpu=from-abi
209 ;;
210 mipsisa32 | mipsisa32el)
211 mips_cpu=mips32
212 ;;
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213 mipsisa32r2 | mipsisa32r2el)
214 mips_cpu=mips32r2
215 ;;
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216 mipsisa64 | mipsisa64el)
217 mips_cpu=mips64
218 ;;
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219 mipsisa64r2 | mipsisa64r2el)
220 mips_cpu=mips64r2
221 ;;
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222 mipstx39 | mipstx39el)
223 mips_cpu=r3900
224 ;;
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225 mips64vr | mips64vrel)
226 mips_cpu=vr4100
227 ;;
5f74bc13 228 mipsisa32r2* | mipsisa64r2*)
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229changequote(,)dnl
230 mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..r2//' -e 's/el$//'`
231changequote([,])dnl
232 ;;
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233 mips64* | mipsisa64* | mipsisa32*)
234changequote(,)dnl
235 mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..//' -e 's/el$//'`
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236changequote([,])dnl
237 ;;
238 mips*)
239changequote(,)dnl
240 mips_cpu=`echo $target_cpu | sed -e 's/^mips//' -e 's/el$//'`
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241changequote([,])dnl
242 ;;
243 *)
da594c4a 244 AC_MSG_ERROR($target_cpu isn't a supported MIPS CPU name)
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245 ;;
246 esac
247 # See whether it's appropriate to set E_MIPS_ABI_O32 for o32
248 # binaries. It's a GNU extension that some OSes don't understand.
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249 case ${target} in
250 *-*-irix*)
251 use_e_mips_abi_o32=0
252 ;;
253 *)
254 use_e_mips_abi_o32=1
255 ;;
256 esac
257 # Decide whether to generate 32-bit or 64-bit code by default.
258 # Used to resolve -march=from-abi when an embedded ABI is selected.
259 case ${target} in
260 mips64*-*-* | mipsisa64*-*-*)
261 mips_default_64bit=1
262 ;;
263 *)
264 mips_default_64bit=0
265 ;;
266 esac
cac012d6
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267 # Decide which ABI to target by default.
268 case ${target} in
aeffff67 269 mips64*-linux* | mips-sgi-irix6* | mips64*-freebsd* | mips64*-kfreebsd*-gnu)
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270 mips_default_abi=N32_ABI
271 ;;
aeffff67 272 mips*-linux* | mips*-freebsd* | mips*-kfreebsd*-gnu)
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273 mips_default_abi=O32_ABI
274 ;;
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275 mips64*-openbsd*)
276 mips_default_abi=N64_ABI
277 ;;
cac012d6
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278 *)
279 mips_default_abi=NO_ABI
280 ;;
281 esac
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282 AC_DEFINE_UNQUOTED(MIPS_CPU_STRING_DEFAULT, "$mips_cpu",
283 [Default CPU for MIPS targets. ])
284 AC_DEFINE_UNQUOTED(USE_E_MIPS_ABI_O32, $use_e_mips_abi_o32,
285 [Allow use of E_MIPS_ABI_O32 on MIPS targets. ])
286 AC_DEFINE_UNQUOTED(MIPS_DEFAULT_64BIT, $mips_default_64bit,
287 [Generate 64-bit code by default on MIPS targets. ])
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288 AC_DEFINE_UNQUOTED(MIPS_DEFAULT_ABI, $mips_default_abi,
289 [Choose a default ABI for MIPS targets. ])
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290 ;;
291 esac
292
252b5132
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293 # Do we need the opcodes library?
294 case ${cpu_type} in
0b1cf022 295 vax | tic30)
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296 ;;
297
298 *)
299 need_opcodes=yes
300
301 case "${enable_shared}" in
302 yes) shared_opcodes=true ;;
303 *opcodes*) shared_opcodes=true ;;
304 *) shared_opcodes=false ;;
305 esac
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306 ;;
307 esac
308
309 # Any other special object files needed ?
310 case ${cpu_type} in
07c1b327
CM
311
312 bfin)
313 echo ${extra_objects} | grep -s "bfin-parse.o"
314 if test $? -ne 0 ; then
315 extra_objects="$extra_objects bfin-parse.o"
316 fi
317
df7b86aa 318 echo ${extra_objects} | grep -s "bfin-lex-wrapper.o"
07c1b327 319 if test $? -ne 0 ; then
df7b86aa 320 extra_objects="$extra_objects bfin-lex-wrapper.o"
07c1b327
CM
321 fi
322 ;;
323
cfb8c092 324 epiphany | fr30 | ip2k | iq2000 | lm32 | m32r | openrisc)
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325 using_cgen=yes
326 ;;
327
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328 m32c)
329 using_cgen=yes
330 ;;
0ebb9a87
DB
331 frv)
332 using_cgen=yes
333 ;;
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334 m68k)
335 case ${extra_objects} in
336 *m68k-parse.o*) ;;
337 *) extra_objects="$extra_objects m68k-parse.o" ;;
338 esac
339 ;;
340
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DB
341 mep)
342 using_cgen=yes
343 ;;
344
252b5132 345 mips)
12e64c2c 346 echo ${extra_objects} | grep -s "itbl-parse.o"
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347 if test $? -ne 0 ; then
348 extra_objects="$extra_objects itbl-parse.o"
349 fi
350
df7b86aa 351 echo ${extra_objects} | grep -s "itbl-lex-wrapper.o"
252b5132 352 if test $? -ne 0 ; then
df7b86aa 353 extra_objects="$extra_objects itbl-lex-wrapper.o"
252b5132
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354 fi
355
12e64c2c 356 echo ${extra_objects} | grep -s "itbl-ops.o"
252b5132
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357 if test $? -ne 0 ; then
358 extra_objects="$extra_objects itbl-ops.o"
359 fi
360 ;;
361
4970f871 362 mt)
047af9ef
AH
363 using_cgen=yes
364 ;;
365
c1e4eef7 366 i386 | s390 | sparc)
252b5132
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367 if test $this_target = $target ; then
368 AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
369 fi
370 ;;
93fbbb04 371
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DD
372 rl78)
373 echo ${extra_objects} | grep -s "rl78-parse.o"
374 if test $? -ne 0 ; then
375 extra_objects="$extra_objects rl78-parse.o"
376 fi
377 ;;
378
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379 rx)
380 echo ${extra_objects} | grep -s "rx-parse.o"
381 if test $? -ne 0 ; then
382 extra_objects="$extra_objects rx-parse.o"
383 fi
384 ;;
385
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386 xstormy16)
387 using_cgen=yes
388 ;;
389
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390 xc16x)
391 using_cgen=yes
392 ;;
393
e0001a05
NC
394 xtensa)
395 echo ${extra_objects} | grep -s "xtensa-relax.o"
396 if test $? -ne 0 ; then
397 extra_objects="$extra_objects xtensa-relax.o"
398 fi
399 ;;
400
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401 *)
402 ;;
403 esac
404
405 if test $using_cgen = yes ; then
406 case "x${extra_objects}" in
407 *cgen.o*) ;;
408 *) extra_objects="$extra_objects cgen.o" ;;
409 esac
410 fi
411
412# See if we really can support this configuration with the emulation code.
413
414 if test $this_target = $target ; then
252b5132
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415 obj_format=$fmt
416 te_file=$em
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417 fi
418
b11d79f2
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419 case ${te_file} in
420 vms) extra_objects="$extra_objects te-vms.o" ;;
421 esac
58797674 422
252b5132
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423# From target name and format, produce a list of supported emulations.
424
425 case ${generic_target}-${fmt} in
e8044f35 426 mips-*-*-*) case "$endian" in
252b5132
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427 big) emulation="mipsbelf mipslelf mipself" ;;
428 *) emulation="mipslelf mipsbelf mipself" ;;
252b5132 429 esac ;;
119caedd
L
430 # i386-pc-pe-coff != i386-pc-coff.
431 i386-*-pe-coff) ;;
4c63da97
AM
432 # Uncommenting the next line will turn on support for i386 AOUT
433 # for the default linux configuration
434 # i386-*-linux*-elf) emulation="i386elf i386aout" ;;
435 #
436 i386-*-aout) emulation="i386aout" ;;
4ca72d38 437 i386-*-coff) emulation="i386coff" ;;
4c63da97 438 i386-*-elf) emulation="i386elf" ;;
3bcbcc3d 439
f9c19112
HPN
440 # Always all formats. The first stated emulation becomes the default.
441 cris-*-*aout*) emulation="crisaout criself" ;;
442 cris-*-*) emulation="criself crisaout" ;;
252b5132
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443 esac
444
445 emulations="$emulations $emulation"
446
447done
448
15886821
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449# Turn on all targets if possible
450if test ${all_targets} = "yes"; then
451 case ${target_cpu_type} in
452 i386)
453 case ${obj_format} in
454 aout)
455 emulations="$emulations i386coff i386elf"
456 ;;
457 coff)
458 emulations="$emulations i386aout i386elf"
459 ;;
460 elf)
461 emulations="$emulations i386aout i386coff"
462 ;;
463 esac
464 ;;
99ad8390
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465 x86_64)
466 case ${obj_format} in
467 aout)
468 emulations="$emulations i386coff i386elf"
469 ;;
470 coff)
471 emulations="$emulations i386aout i386elf"
472 ;;
473 elf)
474 emulations="$emulations i386aout i386coff"
475 ;;
476 esac
477 ;;
15886821
L
478 esac
479fi
480
39871c07
AM
481# PE code has way too many macros tweaking behaviour
482case ${te_file} in
483 pe*) emulations="" ;;
484esac
485
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486# Assign floating point type. Most processors with FP support
487# IEEE FP. On those that don't support FP at all, usually IEEE
488# is emulated.
489case ${target_cpu} in
12e64c2c 490 vax | pdp11 ) atof=vax ;;
252b5132
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491 *) atof=ieee ;;
492esac
493
494case "${obj_format}" in
495 "") AC_MSG_ERROR(GAS does not know what format to use for target ${target}) ;;
496esac
497
498# Unfortunately the cpu in cpu-opc.h file isn't always $(TARGET_CPU).
499cgen_cpu_prefix=""
500if test $using_cgen = yes ; then
501 case ${target_cpu} in
502 *) cgen_cpu_prefix=${target_cpu} ;;
503 esac
504 AC_SUBST(cgen_cpu_prefix)
505 AC_DEFINE(USING_CGEN, 1, [Using cgen code?])
506fi
507
508dnl
509dnl Make sure the desired support files exist.
510dnl
511
512if test ! -r ${srcdir}/config/tc-${target_cpu_type}.c; then
513 AC_MSG_ERROR(GAS does not support target CPU ${target_cpu_type})
514fi
515
516if test ! -r ${srcdir}/config/obj-${obj_format}.c; then
517 AC_MSG_ERROR(GAS does not have support for object file format ${obj_format})
518fi
519
252b5132
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520# Some COFF configurations want these random other flags set.
521case ${obj_format} in
522 coff)
523 case ${target_cpu_type} in
524 i386) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
525 m68k) AC_DEFINE(M68KCOFF, 1, [Using m68k COFF?]) ;;
526 m88k) AC_DEFINE(M88KCOFF, 1, [Using m88k COFF?]) ;;
99ad8390 527 x86_64) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
252b5132
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528 esac
529 ;;
530esac
531
532# Getting this done right is going to be a bitch. Each configuration specified
7be1c489
AM
533# with --enable-targets=... should be checked for environment, format, cpu
534# setting.
252b5132
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535#
536# For each configuration, the necessary object file support code must be linked
537# in. This might be only one, it might be up to four. The necessary emulation
538# code needs to be provided, too.
539#
540# And then there's "--enable-targets=all"....
541#
e8044f35 542# For now, just always do it for MIPS ELF configurations. Sigh.
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RH
543
544formats="${obj_format}"
545emfiles=""
546EMULATIONS=""
547GAS_UNIQ(emulations)
548for em in . $emulations ; do
549 case $em in
550 .) continue ;;
97238fbd 551 mipsbelf | mipslelf | mipself)
252b5132 552 fmt=elf file=mipself ;;
0aa5d426
HPN
553 *coff)
554 fmt=coff file=$em ;;
555 *aout)
556 fmt=aout file=$em ;;
557 *elf)
558 fmt=elf file=$em ;;
252b5132
RH
559 esac
560 formats="$formats $fmt"
561 emfiles="$emfiles e-$file.o"
562 EMULATIONS="$EMULATIONS &$em,"
563done
564GAS_UNIQ(formats)
565GAS_UNIQ(emfiles)
566if test `set . $formats ; shift ; echo $#` -gt 1 ; then
567 for fmt in $formats ; do
568 case $fmt in
569 aout) AC_DEFINE(OBJ_MAYBE_AOUT, 1, [a.out support?]) ;;
570 bout) AC_DEFINE(OBJ_MAYBE_BOUT, 1, [b.out support?]) ;;
571 coff) AC_DEFINE(OBJ_MAYBE_COFF, 1, [COFF support?]) ;;
572 ecoff) AC_DEFINE(OBJ_MAYBE_ECOFF, 1, [ECOFF support?]) ;;
573 elf) AC_DEFINE(OBJ_MAYBE_ELF, 1, [ELF support?]) ;;
574 generic) AC_DEFINE(OBJ_MAYBE_GENERIC, 1, [generic support?]) ;;
252b5132 575 som) AC_DEFINE(OBJ_MAYBE_SOM, 1, [SOM support?]) ;;
252b5132
RH
576 esac
577 extra_objects="$extra_objects obj-$fmt.o"
578 done
579 obj_format=multi
580fi
581if test `set . $emfiles ; shift ; echo $#` -gt 0 ; then
252b5132 582 DEFAULT_EMULATION=`set . $emulations ; echo $2`
e8044f35 583 # e-mipself has more than one emulation per file, e-i386* has just one at the
4ca72d38
AM
584 # moment. If only one emulation is specified, then don't define
585 # USE_EMULATIONS or include any of the e-files as they will only be bloat.
586 case "${obj_format}${emfiles}" in
e8044f35 587 multi* | *mipself*)
4ca72d38
AM
588 extra_objects="$extra_objects $emfiles"
589 AC_DEFINE(USE_EMULATIONS, 1, [Use emulation support?]) ;;
590 esac
252b5132
RH
591fi
592AC_SUBST(extra_objects)
593AC_DEFINE_UNQUOTED(EMULATIONS, $EMULATIONS, [Supported emulations.])
594AC_DEFINE_UNQUOTED(DEFAULT_EMULATION, "$DEFAULT_EMULATION",
595 [Default emulation.])
596
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RH
597reject_dev_configs=yes
598
599case ${reject_dev_configs}-${dev} in
600 yes-yes) # Oops.
601 AC_MSG_ERROR(GAS does not support the ${generic_target} configuration.)
602 ;;
603esac
604
605AC_SUBST(target_cpu_type)
606AC_SUBST(obj_format)
607AC_SUBST(te_file)
608AC_SUBST(install_tooldir)
609AC_SUBST(atof)
610dnl AC_SUBST(emulation)
611
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RH
612# do we need the opcodes library?
613case "${need_opcodes}" in
614yes)
615 OPCODES_LIB=../opcodes/libopcodes.la
616 ;;
617esac
618
252b5132
RH
619AC_SUBST(OPCODES_LIB)
620
252b5132
RH
621AC_DEFINE_UNQUOTED(TARGET_ALIAS, "${target_alias}", [Target alias.])
622AC_DEFINE_UNQUOTED(TARGET_CANONICAL, "${target}", [Canonical target.])
623AC_DEFINE_UNQUOTED(TARGET_CPU, "${target_cpu}", [Target CPU.])
624AC_DEFINE_UNQUOTED(TARGET_VENDOR, "${target_vendor}", [Target vendor.])
625AC_DEFINE_UNQUOTED(TARGET_OS, "${target_os}", [Target OS.])
626
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RH
627AC_PROG_YACC
628AM_PROG_LEX
629
006ad0a1 630ALL_LINGUAS="fr tr es rw id ru fi ja"
20e95c23
DJ
631ZW_GNU_GETTEXT_SISTER_DIR
632AM_PO_SUBDIRS
252b5132
RH
633
634AM_MAINTAINER_MODE
d5fbea21 635AM_CONDITIONAL(GENINSRC_NEVER, false)
252b5132
RH
636AC_EXEEXT
637
58797674 638AC_CHECK_HEADERS(string.h stdlib.h memory.h strings.h unistd.h errno.h sys/types.h limits.h locale.h time.h sys/stat.h)
208a4923 639ACX_HEADER_STRING
252b5132
RH
640
641# Put this here so that autoconf's "cross-compiling" message doesn't confuse
642# people who are not cross-compiling but are compiling cross-assemblers.
643AC_MSG_CHECKING(whether compiling a cross-assembler)
644if test "${host}" = "${target}"; then
645 cross_gas=no
646else
647 cross_gas=yes
648 AC_DEFINE(CROSS_COMPILE, 1, [Compiling cross-assembler?])
649fi
650AC_MSG_RESULT($cross_gas)
651
652dnl ansidecl.h will deal with const
da594c4a 653dnl AC_C_CONST
252b5132
RH
654AC_FUNC_ALLOCA
655AC_C_INLINE
656
657# VMS doesn't have unlink.
658AC_CHECK_FUNCS(unlink remove, break)
4b0296ce 659AC_CHECK_FUNCS(sbrk setlocale)
252b5132 660
44350750
NC
661AM_LC_MESSAGES
662
39bec121
TW
663# do we need the math library?
664case "${need_libm}" in
12e64c2c 665yes)
da594c4a 666 LT_LIB_M
39bec121
TW
667 AC_SUBST(LIBM)
668 ;;
669esac
670
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RH
671# Some non-ANSI preprocessors botch requoting inside strings. That's bad
672# enough, but on some of those systems, the assert macro relies on requoting
673# working properly!
674GAS_WORKING_ASSERT
675
676# On some systems, the system header files may not declare malloc, realloc,
677# and free. There are places where gas needs these functions to have been
678# declared -- such as when taking their addresses.
679gas_test_headers="
680#ifdef HAVE_MEMORY_H
681#include <memory.h>
682#endif
683#ifdef HAVE_STRING_H
684#include <string.h>
685#else
686#ifdef HAVE_STRINGS_H
687#include <strings.h>
688#endif
689#endif
690#ifdef HAVE_STDLIB_H
691#include <stdlib.h>
692#endif
693#ifdef HAVE_UNISTD_H
694#include <unistd.h>
695#endif
696"
252b5132
RH
697
698# Does errno.h declare errno, or do we have to add a separate declaration
699# for it?
700GAS_CHECK_DECL_NEEDED(errno, f, int f, [
701#ifdef HAVE_ERRNO_H
702#include <errno.h>
703#endif
704])
705
56f36663
NC
706AC_MSG_CHECKING(for a known getopt prototype in unistd.h)
707AC_CACHE_VAL(gas_cv_decl_getopt_unistd_h,
da594c4a 708[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);])],
56f36663
NC
709gas_cv_decl_getopt_unistd_h=yes, gas_cv_decl_getopt_unistd_h=no)])
710AC_MSG_RESULT($gas_cv_decl_getopt_unistd_h)
711if test $gas_cv_decl_getopt_unistd_h = yes; then
712 AC_DEFINE([HAVE_DECL_GETOPT], 1,
713 [Is the prototype for getopt in <unistd.h> in the expected format?])
714fi
715
e8a38df5
AL
716GAS_CHECK_DECL_NEEDED(environ, f, char **f, $gas_test_headers)
717GAS_CHECK_DECL_NEEDED(ffs, f, int (*f)(int), $gas_test_headers)
718GAS_CHECK_DECL_NEEDED(free, f, void (*f)(), $gas_test_headers)
719GAS_CHECK_DECL_NEEDED(malloc, f, char *(*f)(), $gas_test_headers)
720GAS_CHECK_DECL_NEEDED(sbrk, f, char *(*f)(), $gas_test_headers)
721GAS_CHECK_DECL_NEEDED(strstr, f, char *(*f)(), $gas_test_headers)
722
4b0296ce 723AC_CHECK_DECLS([free, getenv, malloc, mempcpy, realloc, stpcpy, strstr, vsnprintf])
6d74f28b 724
c973bc5c
NC
725BFD_BINARY_FOPEN
726
0acf065b
CC
727# Link in zlib if we can. This allows us to write compressed debug sections.
728AM_ZLIB
729
b11d79f2
TG
730# Support for VMS timestamps via cross compile
731
732if test "$ac_cv_header_time_h" = yes; then
733 GAS_HAVE_TIME_TYPE_MEMBER(struct tm, tm_gmtoff)
734fi
735
736if test "$ac_cv_header_sys_stat_h" = yes; then
737 GAS_HAVE_SYS_STAT_TYPE_MEMBER(struct stat, st_mtim, tv_sec)
738 GAS_HAVE_SYS_STAT_TYPE_MEMBER(struct stat, st_mtim, tv_nsec)
739fi
740
741
31dd3154 742dnl Required for html, pdf, install-pdf and install-html targets.
108a6f8e
CD
743AC_SUBST(datarootdir)
744AC_SUBST(docdir)
745AC_SUBST(htmldir)
31dd3154 746AC_SUBST(pdfdir)
108a6f8e 747
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RH
748dnl This must come last.
749
750dnl We used to make symlinks to files in the source directory, but now
751dnl we just use the right name for .c files, and create .h files in
752dnl the build directory which include the right .h file. Make sure
753dnl the old symlinks don't exist, so that a reconfigure in an existing
754dnl directory behaves reasonably.
755
13b2be9c
DJ
756AC_CONFIG_FILES(Makefile doc/Makefile po/Makefile.in:po/Make-in)
757AC_CONFIG_COMMANDS([default],
252b5132
RH
758[rm -f targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c itbl-cpu.h
759 echo '#include "tc-'"${target_cpu_type}"'.h"' > targ-cpu.h
760 echo '#include "obj-'"${obj_format}"'.h"' > obj-format.h
761 echo '#include "te-'"${te_file}"'.h"' > targ-env.h
762 echo '#include "itbl-'"${target_cpu_type}"'.h"' > itbl-cpu.h
763 if test "x$cgen_cpu_prefix" != x ; then
764 echo '#include "opcodes/'"${cgen_cpu_prefix}"'-desc.h"' > cgen-desc.h
20e95c23 765 fi],
252b5132
RH
766[target_cpu_type=${target_cpu_type}
767 cgen_cpu_prefix=${cgen_cpu_prefix}
768 obj_format=${obj_format}
769 te_file=${te_file}])
13b2be9c
DJ
770
771AC_OUTPUT