Change sources over to using GPLv3
[deliverable/binutils-gdb.git] / gas / configure.in
CommitLineData
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
6dnl
7dnl v2.5 needed for --bindir et al
13b2be9c 8AC_PREREQ(2.57)
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9AC_INIT(as.h)
10
13b2be9c
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11dnl Autoconf 2.57 will find the aux dir without this. However, unless
12dnl we specify this explicitly, automake-1.7 will assume that ylwrap is in
13dnl gas/ instead of gas/../.
14AC_CONFIG_AUX_DIR(..)
252b5132 15AC_CANONICAL_SYSTEM
5d64ca4e 16AC_ISC_POSIX
252b5132 17
27b7e12d
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18changequote(,)dnl
19BFD_VERSION=`sed -n -e 's/^.._INIT_AUTOMAKE.*,[ ]*\([^ ]*\)[ ]*).*/\1/p' < ${srcdir}/../bfd/configure.in`
20changequote([,])dnl
21AM_INIT_AUTOMAKE(gas, ${BFD_VERSION})
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22
23AM_PROG_LIBTOOL
24
252b5132 25AC_ARG_ENABLE(targets,
241a6c40 26[ --enable-targets alternative target configurations besides the primary],
252b5132
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27[case "${enableval}" in
28 yes | "") AC_ERROR(enable-targets option must specify target names or 'all')
29 ;;
30 no) enable_targets= ;;
31 *) enable_targets=$enableval ;;
32esac])dnl
c43a438d 33
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34AC_ARG_ENABLE(commonbfdlib,
35[ --enable-commonbfdlib build shared BFD/opcodes/libiberty library],
36[case "${enableval}" in
37 yes) commonbfdlib=true ;;
38 no) commonbfdlib=false ;;
39 *) AC_MSG_ERROR([bad value ${enableval} for BFD commonbfdlib option]) ;;
40esac])dnl
41
c43a438d
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42ac_checking=yes
43if grep '^RELEASE=y' ${srcdir}/../bfd/Makefile.am >/dev/null 2>/dev/null ; then
44 ac_checking=
45fi
46AC_ARG_ENABLE(checking,
47[ --enable-checking enable run-time checks],
48[case "${enableval}" in
49 no|none) ac_checking= ;;
50 *) ac_checking=yes ;;
51esac])dnl
52if test x$ac_checking != x ; then
53 AC_DEFINE(ENABLE_CHECKING, 1, [Define if you want run-time sanity checks.])
54fi
55
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56using_cgen=no
57
9e9b66a9 58AM_BINUTILS_WARNINGS
a2d91340 59
252b5132
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60# Generate a header file
61AM_CONFIG_HEADER(config.h:config.in)
62
76a27922
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63# If we are on a DOS filesystem, we must use gdb.ini rather than
64# .gdbinit.
76a27922 65case "${host}" in
591d4689 66 *-*-msdos* | *-*-go32* | *-*-mingw32* | *-*-windows*)
76a27922 67 GDBINIT="gdb.ini"
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68 AC_CONFIG_FILES(gdb.ini:gdbinit.in)
69 ;;
70 *)
71 GDBINIT=".gdbinit"
72 AC_CONFIG_FILES(.gdbinit:gdbinit.in)
76a27922
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73 ;;
74esac
75AC_SUBST(GDBINIT)
76
44f2f9d2
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77#We need this for the host. BOUT header is in host order.
78AC_C_BIGENDIAN
79
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80te_file=generic
81
82# Makefile target for installing gas in $(tooldir)/bin.
83install_tooldir=install-exec-tooldir
84
85canon_targets=""
15886821 86all_targets=no
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87if test -n "$enable_targets" ; then
88 for t in `echo $enable_targets | sed 's/,/ /g'`; do
15886821
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89 if test $t = "all"; then
90 all_targets=yes
91 continue
92 fi
6d83c84b 93 result=`$ac_config_sub $t 2>/dev/null`
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94 if test -n "$result" ; then
95 canon_targets="$canon_targets $result"
96# else
97# # Permit "all", etc. We don't support it yet though.
98# canon_targets="$canon_targets $t"
99 fi
100 done
101 GAS_UNIQ(canon_targets)
102fi
103
104emulations=""
105
106for this_target in $target $canon_targets ; do
107
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108 targ=${this_target}
109 . ${srcdir}/configure.tgt
110
111 case ${target_cpu} in
112 crisv32)
113 AC_DEFINE_UNQUOTED(DEFAULT_CRIS_ARCH, $arch,
114 [Default CRIS architecture.])
115 ;;
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116 esac
117
118 if test ${this_target} = $target ; then
119 target_cpu_type=${cpu_type}
120 elif test ${target_cpu_type} != ${cpu_type} ; then
121 continue
122 fi
123
14ee9f48 124 generic_target=${cpu_type}-${target_vendor}-${target_os}
252b5132 125 case ${generic_target} in
14ee9f48
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126 i386-*-sco3.2v5*)
127 if test ${this_target} = $target; then
128 AC_DEFINE(SCO_ELF, 1, [Define if defaulting to ELF on SCO 5.])
129 fi
130 ;;
1fe1f39c 131
79500683
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132 i386-*-msdosdjgpp* \
133 | i386-*-go32* \
14ee9f48
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134 | i386-go32-rtems*)
135 AC_DEFINE(STRICTCOFF, 1, [Using strict COFF?])
136 ;;
79500683 137
14ee9f48
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138 i860-*-*)
139 AC_MSG_WARN(GAS support for ${generic_target} is preliminary and a work in progress)
140 ;;
79500683 141
14ee9f48
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142 mips-sony-bsd*)
143 ;;
79500683 144 mips-*-bsd*)
14ee9f48
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145 AC_MSG_ERROR(Unknown vendor for mips-bsd configuration.)
146 ;;
4101eec8 147
14ee9f48
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148 ppc-*-aix5.*)
149 AC_DEFINE(AIX_WEAK_SUPPORT, 1,
f8fc3443 150 [Define if using AIX 5.2 value for C_WEAKEXT.])
14ee9f48 151 ;;
ed84e695 152 ppc-*-linux-*)
14ee9f48
ILT
153 case "$endian" in
154 big) ;;
155 *) AC_MSG_ERROR(GNU/Linux must be configured big endian) ;;
156 esac
157 ;;
158 ppc-*-solaris*)
159 if test ${this_target} = $target; then
160 AC_DEFINE(TARGET_SOLARIS_COMMENT, 1,
161 [Define if default target is PowerPC Solaris.])
162 fi
163 if test x${endian} = xbig; then
164 AC_MSG_ERROR(Solaris must be configured little endian)
165 fi
166 ;;
167
168 sh*-*-symbianelf*)
169 AC_DEFINE(TARGET_SYMBIAN, 1, [Define if target is Symbian OS.])
170 ;;
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171 esac
172
173 if test ${this_target} = $target ; then
174 endian_def=
175 if test x${endian} = xbig; then
176 endian_def=1
177 elif test x${endian} = xlittle; then
178 endian_def=0
179 fi
180 if test x${endian_def} != x; then
181 AC_DEFINE_UNQUOTED(TARGET_BYTES_BIG_ENDIAN, $endian_def,
182 [Define as 1 if big endian.])
183 fi
184 fi
185
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186# Other random stuff.
187
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188 case ${cpu_type} in
189 mips)
190 # Set mips_cpu to the name of the default CPU.
191 case ${target_cpu} in
192 mips | mipsbe | mipseb | mipsle | mipsel | mips64 | mips64el)
193 mips_cpu=from-abi
194 ;;
195 mipsisa32 | mipsisa32el)
196 mips_cpu=mips32
197 ;;
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198 mipsisa32r2 | mipsisa32r2el)
199 mips_cpu=mips32r2
200 ;;
316f5878
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201 mipsisa64 | mipsisa64el)
202 mips_cpu=mips64
203 ;;
5f74bc13
CD
204 mipsisa64r2 | mipsisa64r2el)
205 mips_cpu=mips64r2
206 ;;
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207 mipstx39 | mipstx39el)
208 mips_cpu=r3900
209 ;;
8f6847cb
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210 mips64vr | mips64vrel)
211 mips_cpu=vr4100
212 ;;
5f74bc13 213 mipsisa32r2* | mipsisa64r2*)
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214changequote(,)dnl
215 mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..r2//' -e 's/el$//'`
216changequote([,])dnl
217 ;;
316f5878
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218 mips64* | mipsisa64* | mipsisa32*)
219changequote(,)dnl
220 mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..//' -e 's/el$//'`
221changequote([,])dnl
222 ;;
223 *)
224 AC_ERROR($target_cpu isn't a supported MIPS CPU name)
225 ;;
226 esac
227 # See whether it's appropriate to set E_MIPS_ABI_O32 for o32
228 # binaries. It's a GNU extension that some OSes don't understand.
229 # The value only matters on ELF targets.
230 case ${target} in
231 *-*-irix*)
232 use_e_mips_abi_o32=0
233 ;;
234 *)
235 use_e_mips_abi_o32=1
236 ;;
237 esac
238 # Decide whether to generate 32-bit or 64-bit code by default.
239 # Used to resolve -march=from-abi when an embedded ABI is selected.
240 case ${target} in
241 mips64*-*-* | mipsisa64*-*-*)
242 mips_default_64bit=1
243 ;;
244 *)
245 mips_default_64bit=0
246 ;;
247 esac
cac012d6
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248 # Decide which ABI to target by default.
249 case ${target} in
250 mips64*-linux* | mips-sgi-irix6*)
251 mips_default_abi=N32_ABI
252 ;;
253 mips*-linux*)
254 mips_default_abi=O32_ABI
255 ;;
26eebcf5
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256 mips64*-openbsd*)
257 mips_default_abi=N64_ABI
258 ;;
cac012d6
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259 *)
260 mips_default_abi=NO_ABI
261 ;;
262 esac
316f5878
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263 AC_DEFINE_UNQUOTED(MIPS_CPU_STRING_DEFAULT, "$mips_cpu",
264 [Default CPU for MIPS targets. ])
265 AC_DEFINE_UNQUOTED(USE_E_MIPS_ABI_O32, $use_e_mips_abi_o32,
266 [Allow use of E_MIPS_ABI_O32 on MIPS targets. ])
267 AC_DEFINE_UNQUOTED(MIPS_DEFAULT_64BIT, $mips_default_64bit,
268 [Generate 64-bit code by default on MIPS targets. ])
cac012d6
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269 AC_DEFINE_UNQUOTED(MIPS_DEFAULT_ABI, $mips_default_abi,
270 [Choose a default ABI for MIPS targets. ])
316f5878
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271 ;;
272 esac
273
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274 # Do we need the opcodes library?
275 case ${cpu_type} in
0b1cf022 276 vax | tic30)
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277 ;;
278
279 *)
280 need_opcodes=yes
281
282 case "${enable_shared}" in
283 yes) shared_opcodes=true ;;
284 *opcodes*) shared_opcodes=true ;;
285 *) shared_opcodes=false ;;
286 esac
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287 ;;
288 esac
289
290 # Any other special object files needed ?
291 case ${cpu_type} in
07c1b327
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292
293 bfin)
294 echo ${extra_objects} | grep -s "bfin-parse.o"
295 if test $? -ne 0 ; then
296 extra_objects="$extra_objects bfin-parse.o"
297 fi
298
299 echo ${extra_objects} | grep -s "bfin-lex.o"
300 if test $? -ne 0 ; then
301 extra_objects="$extra_objects bfin-lex.o"
302 fi
303 ;;
304
1c53c80d 305 fr30 | ip2k | iq2000 | m32r | openrisc)
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306 using_cgen=yes
307 ;;
308
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309 m32c)
310 using_cgen=yes
311 ;;
0ebb9a87
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312 frv)
313 using_cgen=yes
314 ;;
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315 m68k)
316 case ${extra_objects} in
317 *m68k-parse.o*) ;;
318 *) extra_objects="$extra_objects m68k-parse.o" ;;
319 esac
320 ;;
321
280d71bf
DB
322 mep)
323 using_cgen=yes
324 ;;
325
252b5132 326 mips)
12e64c2c 327 echo ${extra_objects} | grep -s "itbl-parse.o"
252b5132
RH
328 if test $? -ne 0 ; then
329 extra_objects="$extra_objects itbl-parse.o"
330 fi
331
12e64c2c 332 echo ${extra_objects} | grep -s "itbl-lex.o"
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333 if test $? -ne 0 ; then
334 extra_objects="$extra_objects itbl-lex.o"
335 fi
336
12e64c2c 337 echo ${extra_objects} | grep -s "itbl-ops.o"
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338 if test $? -ne 0 ; then
339 extra_objects="$extra_objects itbl-ops.o"
340 fi
341 ;;
342
4970f871 343 mt)
047af9ef
AH
344 using_cgen=yes
345 ;;
346
c1e4eef7 347 i386 | s390 | sparc)
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348 if test $this_target = $target ; then
349 AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
350 fi
351 ;;
93fbbb04
GK
352
353 xstormy16)
354 using_cgen=yes
355 ;;
356
d70c5fc7
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357 xc16x)
358 using_cgen=yes
359 ;;
360
e0001a05
NC
361 xtensa)
362 echo ${extra_objects} | grep -s "xtensa-relax.o"
363 if test $? -ne 0 ; then
364 extra_objects="$extra_objects xtensa-relax.o"
365 fi
366 ;;
367
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368 *)
369 ;;
370 esac
371
372 if test $using_cgen = yes ; then
373 case "x${extra_objects}" in
374 *cgen.o*) ;;
375 *) extra_objects="$extra_objects cgen.o" ;;
376 esac
377 fi
378
379# See if we really can support this configuration with the emulation code.
380
381 if test $this_target = $target ; then
252b5132
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382 obj_format=$fmt
383 te_file=$em
252b5132
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384 fi
385
386# From target name and format, produce a list of supported emulations.
387
388 case ${generic_target}-${fmt} in
389 mips-*-irix5*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
4008bd9b 390 mips*-*-linux*-*) case "$endian" in
df3bcd6f
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391 big) emulation="mipsbelf mipslelf mipself" ;;
392 *) emulation="mipslelf mipsbelf mipself" ;;
252b5132
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393 esac ;;
394 mips-*-lnews*-ecoff) ;;
395 mips-*-*-ecoff) case "$endian" in
396 big) emulation="mipsbecoff mipslecoff mipsecoff" ;;
397 *) emulation="mipslecoff mipsbecoff mipsecoff" ;;
398 esac ;;
399 mips-*-*-elf) case "$endian" in
400 big) emulation="mipsbelf mipslelf mipself" ;;
401 *) emulation="mipslelf mipsbelf mipself" ;;
252b5132 402 esac ;;
906fac54 403 mips-*-sysv4*MP*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
119caedd
L
404 # i386-pc-pe-coff != i386-pc-coff.
405 i386-*-pe-coff) ;;
4c63da97
AM
406 # Uncommenting the next line will turn on support for i386 AOUT
407 # for the default linux configuration
408 # i386-*-linux*-elf) emulation="i386elf i386aout" ;;
409 #
410 i386-*-aout) emulation="i386aout" ;;
4ca72d38 411 i386-*-coff) emulation="i386coff" ;;
4c63da97 412 i386-*-elf) emulation="i386elf" ;;
3bcbcc3d 413
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414 # Always all formats. The first stated emulation becomes the default.
415 cris-*-*aout*) emulation="crisaout criself" ;;
416 cris-*-*) emulation="criself crisaout" ;;
252b5132
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417 esac
418
419 emulations="$emulations $emulation"
420
421done
422
15886821
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423# Turn on all targets if possible
424if test ${all_targets} = "yes"; then
425 case ${target_cpu_type} in
426 i386)
427 case ${obj_format} in
428 aout)
429 emulations="$emulations i386coff i386elf"
430 ;;
431 coff)
432 emulations="$emulations i386aout i386elf"
433 ;;
434 elf)
435 emulations="$emulations i386aout i386coff"
436 ;;
437 esac
438 ;;
99ad8390
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439 x86_64)
440 case ${obj_format} in
441 aout)
442 emulations="$emulations i386coff i386elf"
443 ;;
444 coff)
445 emulations="$emulations i386aout i386elf"
446 ;;
447 elf)
448 emulations="$emulations i386aout i386coff"
449 ;;
450 esac
451 ;;
15886821
L
452 esac
453fi
454
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455# Assign floating point type. Most processors with FP support
456# IEEE FP. On those that don't support FP at all, usually IEEE
457# is emulated.
458case ${target_cpu} in
12e64c2c 459 vax | pdp11 ) atof=vax ;;
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460 *) atof=ieee ;;
461esac
462
463case "${obj_format}" in
464 "") AC_MSG_ERROR(GAS does not know what format to use for target ${target}) ;;
465esac
466
467# Unfortunately the cpu in cpu-opc.h file isn't always $(TARGET_CPU).
468cgen_cpu_prefix=""
469if test $using_cgen = yes ; then
470 case ${target_cpu} in
471 *) cgen_cpu_prefix=${target_cpu} ;;
472 esac
473 AC_SUBST(cgen_cpu_prefix)
474 AC_DEFINE(USING_CGEN, 1, [Using cgen code?])
475fi
476
477dnl
478dnl Make sure the desired support files exist.
479dnl
480
481if test ! -r ${srcdir}/config/tc-${target_cpu_type}.c; then
482 AC_MSG_ERROR(GAS does not support target CPU ${target_cpu_type})
483fi
484
485if test ! -r ${srcdir}/config/obj-${obj_format}.c; then
486 AC_MSG_ERROR(GAS does not have support for object file format ${obj_format})
487fi
488
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489# Some COFF configurations want these random other flags set.
490case ${obj_format} in
491 coff)
492 case ${target_cpu_type} in
493 i386) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
494 m68k) AC_DEFINE(M68KCOFF, 1, [Using m68k COFF?]) ;;
495 m88k) AC_DEFINE(M88KCOFF, 1, [Using m88k COFF?]) ;;
99ad8390 496 x86_64) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
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497 esac
498 ;;
499esac
500
501# Getting this done right is going to be a bitch. Each configuration specified
7be1c489
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502# with --enable-targets=... should be checked for environment, format, cpu
503# setting.
252b5132
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504#
505# For each configuration, the necessary object file support code must be linked
506# in. This might be only one, it might be up to four. The necessary emulation
507# code needs to be provided, too.
508#
509# And then there's "--enable-targets=all"....
510#
511# For now, just always do it for MIPS ELF or ECOFF configurations. Sigh.
512
513formats="${obj_format}"
514emfiles=""
515EMULATIONS=""
516GAS_UNIQ(emulations)
517for em in . $emulations ; do
518 case $em in
519 .) continue ;;
97238fbd 520 mipsbelf | mipslelf | mipself)
252b5132 521 fmt=elf file=mipself ;;
97238fbd 522 mipsbecoff | mipslecoff | mipsecoff)
252b5132 523 fmt=ecoff file=mipsecoff ;;
0aa5d426
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524 *coff)
525 fmt=coff file=$em ;;
526 *aout)
527 fmt=aout file=$em ;;
528 *elf)
529 fmt=elf file=$em ;;
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530 esac
531 formats="$formats $fmt"
532 emfiles="$emfiles e-$file.o"
533 EMULATIONS="$EMULATIONS &$em,"
534done
535GAS_UNIQ(formats)
536GAS_UNIQ(emfiles)
537if test `set . $formats ; shift ; echo $#` -gt 1 ; then
538 for fmt in $formats ; do
539 case $fmt in
540 aout) AC_DEFINE(OBJ_MAYBE_AOUT, 1, [a.out support?]) ;;
541 bout) AC_DEFINE(OBJ_MAYBE_BOUT, 1, [b.out support?]) ;;
542 coff) AC_DEFINE(OBJ_MAYBE_COFF, 1, [COFF support?]) ;;
543 ecoff) AC_DEFINE(OBJ_MAYBE_ECOFF, 1, [ECOFF support?]) ;;
544 elf) AC_DEFINE(OBJ_MAYBE_ELF, 1, [ELF support?]) ;;
545 generic) AC_DEFINE(OBJ_MAYBE_GENERIC, 1, [generic support?]) ;;
252b5132 546 som) AC_DEFINE(OBJ_MAYBE_SOM, 1, [SOM support?]) ;;
252b5132
RH
547 esac
548 extra_objects="$extra_objects obj-$fmt.o"
549 done
550 obj_format=multi
551fi
552if test `set . $emfiles ; shift ; echo $#` -gt 0 ; then
252b5132 553 DEFAULT_EMULATION=`set . $emulations ; echo $2`
4ca72d38
AM
554 # e-mips* has more than one emulation per file, e-i386* has just one at the
555 # moment. If only one emulation is specified, then don't define
556 # USE_EMULATIONS or include any of the e-files as they will only be bloat.
557 case "${obj_format}${emfiles}" in
558 multi* | *mips*)
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559 extra_objects="$extra_objects $emfiles"
560 AC_DEFINE(USE_EMULATIONS, 1, [Use emulation support?]) ;;
561 esac
252b5132
RH
562fi
563AC_SUBST(extra_objects)
564AC_DEFINE_UNQUOTED(EMULATIONS, $EMULATIONS, [Supported emulations.])
565AC_DEFINE_UNQUOTED(DEFAULT_EMULATION, "$DEFAULT_EMULATION",
566 [Default emulation.])
567
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RH
568reject_dev_configs=yes
569
570case ${reject_dev_configs}-${dev} in
571 yes-yes) # Oops.
572 AC_MSG_ERROR(GAS does not support the ${generic_target} configuration.)
573 ;;
574esac
575
576AC_SUBST(target_cpu_type)
577AC_SUBST(obj_format)
578AC_SUBST(te_file)
579AC_SUBST(install_tooldir)
580AC_SUBST(atof)
581dnl AC_SUBST(emulation)
582
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583# do we need the opcodes library?
584case "${need_opcodes}" in
585yes)
586 OPCODES_LIB=../opcodes/libopcodes.la
587 ;;
588esac
589
252b5132
RH
590AC_SUBST(OPCODES_LIB)
591
252b5132
RH
592AC_DEFINE_UNQUOTED(TARGET_ALIAS, "${target_alias}", [Target alias.])
593AC_DEFINE_UNQUOTED(TARGET_CANONICAL, "${target}", [Canonical target.])
594AC_DEFINE_UNQUOTED(TARGET_CPU, "${target_cpu}", [Target CPU.])
595AC_DEFINE_UNQUOTED(TARGET_VENDOR, "${target_vendor}", [Target vendor.])
596AC_DEFINE_UNQUOTED(TARGET_OS, "${target_os}", [Target OS.])
597
598AC_PROG_CC
599
600AC_PROG_YACC
601AM_PROG_LEX
602
0d6af1ab 603ALL_LINGUAS="fr tr es rw"
20e95c23
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604ZW_GNU_GETTEXT_SISTER_DIR
605AM_PO_SUBDIRS
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606
607AM_MAINTAINER_MODE
d5fbea21 608AM_CONDITIONAL(GENINSRC_NEVER, false)
252b5132
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609AC_EXEEXT
610
611AC_CHECK_HEADERS(string.h stdlib.h memory.h strings.h unistd.h stdarg.h varargs.h errno.h sys/types.h)
612
613# Put this here so that autoconf's "cross-compiling" message doesn't confuse
614# people who are not cross-compiling but are compiling cross-assemblers.
615AC_MSG_CHECKING(whether compiling a cross-assembler)
616if test "${host}" = "${target}"; then
617 cross_gas=no
618else
619 cross_gas=yes
620 AC_DEFINE(CROSS_COMPILE, 1, [Compiling cross-assembler?])
621fi
622AC_MSG_RESULT($cross_gas)
623
624dnl ansidecl.h will deal with const
625dnl AC_CONST
626AC_FUNC_ALLOCA
627AC_C_INLINE
628
629# VMS doesn't have unlink.
630AC_CHECK_FUNCS(unlink remove, break)
631
632# Some systems don't have sbrk().
633AC_CHECK_FUNCS(sbrk)
634
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TW
635# do we need the math library?
636case "${need_libm}" in
12e64c2c 637yes)
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638 AC_CHECK_LIBM
639 AC_SUBST(LIBM)
640 ;;
641esac
642
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643# Some non-ANSI preprocessors botch requoting inside strings. That's bad
644# enough, but on some of those systems, the assert macro relies on requoting
645# working properly!
646GAS_WORKING_ASSERT
647
648# On some systems, the system header files may not declare malloc, realloc,
649# and free. There are places where gas needs these functions to have been
650# declared -- such as when taking their addresses.
651gas_test_headers="
652#ifdef HAVE_MEMORY_H
653#include <memory.h>
654#endif
655#ifdef HAVE_STRING_H
656#include <string.h>
657#else
658#ifdef HAVE_STRINGS_H
659#include <strings.h>
660#endif
661#endif
662#ifdef HAVE_STDLIB_H
663#include <stdlib.h>
664#endif
665#ifdef HAVE_UNISTD_H
666#include <unistd.h>
667#endif
668"
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669
670# Does errno.h declare errno, or do we have to add a separate declaration
671# for it?
672GAS_CHECK_DECL_NEEDED(errno, f, int f, [
673#ifdef HAVE_ERRNO_H
674#include <errno.h>
675#endif
676])
677
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NC
678AC_MSG_CHECKING(for a known getopt prototype in unistd.h)
679AC_CACHE_VAL(gas_cv_decl_getopt_unistd_h,
680[AC_TRY_COMPILE([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);],
681gas_cv_decl_getopt_unistd_h=yes, gas_cv_decl_getopt_unistd_h=no)])
682AC_MSG_RESULT($gas_cv_decl_getopt_unistd_h)
683if test $gas_cv_decl_getopt_unistd_h = yes; then
684 AC_DEFINE([HAVE_DECL_GETOPT], 1,
685 [Is the prototype for getopt in <unistd.h> in the expected format?])
686fi
687
e8a38df5
AL
688GAS_CHECK_DECL_NEEDED(environ, f, char **f, $gas_test_headers)
689GAS_CHECK_DECL_NEEDED(ffs, f, int (*f)(int), $gas_test_headers)
690GAS_CHECK_DECL_NEEDED(free, f, void (*f)(), $gas_test_headers)
691GAS_CHECK_DECL_NEEDED(malloc, f, char *(*f)(), $gas_test_headers)
692GAS_CHECK_DECL_NEEDED(sbrk, f, char *(*f)(), $gas_test_headers)
693GAS_CHECK_DECL_NEEDED(strstr, f, char *(*f)(), $gas_test_headers)
694
6d74f28b
EB
695AC_CHECK_DECLS([vsnprintf])
696
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NC
697BFD_BINARY_FOPEN
698
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699dnl Required for html and install-html targets.
700AC_SUBST(datarootdir)
701AC_SUBST(docdir)
702AC_SUBST(htmldir)
703
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704dnl This must come last.
705
706dnl We used to make symlinks to files in the source directory, but now
707dnl we just use the right name for .c files, and create .h files in
708dnl the build directory which include the right .h file. Make sure
709dnl the old symlinks don't exist, so that a reconfigure in an existing
710dnl directory behaves reasonably.
711
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712AC_CONFIG_FILES(Makefile doc/Makefile po/Makefile.in:po/Make-in)
713AC_CONFIG_COMMANDS([default],
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714[rm -f targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c itbl-cpu.h
715 echo '#include "tc-'"${target_cpu_type}"'.h"' > targ-cpu.h
716 echo '#include "obj-'"${obj_format}"'.h"' > obj-format.h
717 echo '#include "te-'"${te_file}"'.h"' > targ-env.h
718 echo '#include "itbl-'"${target_cpu_type}"'.h"' > itbl-cpu.h
719 if test "x$cgen_cpu_prefix" != x ; then
720 echo '#include "opcodes/'"${cgen_cpu_prefix}"'-desc.h"' > cgen-desc.h
20e95c23 721 fi],
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722[target_cpu_type=${target_cpu_type}
723 cgen_cpu_prefix=${cgen_cpu_prefix}
724 obj_format=${obj_format}
725 te_file=${te_file}])
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726
727AC_OUTPUT
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