* reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
[deliverable/binutils-gdb.git] / binutils / configure.in
1 dnl Process this file with autoconf to produce a configure script.
2 dnl
3 AC_PREREQ(2.59)
4 AC_INIT
5 AC_CONFIG_SRCDIR(ar.c)
6
7 AC_CANONICAL_TARGET
8 AC_ISC_POSIX
9
10 changequote(,)dnl
11 BFD_VERSION=`sed -n -e 's/^.._INIT_AUTOMAKE.*,[ ]*\([^ ]*\)[ ]*).*/\1/p' < ${srcdir}/../bfd/configure.in`
12 changequote([,])dnl
13 AM_INIT_AUTOMAKE(binutils, ${BFD_VERSION})
14
15 AC_PROG_CC
16 AC_GNU_SOURCE
17 AC_USE_SYSTEM_EXTENSIONS
18
19 ACX_LARGEFILE
20 LT_INIT
21
22 AC_ARG_ENABLE(targets,
23 [ --enable-targets alternative target configurations],
24 [case "${enableval}" in
25 yes | "") AC_MSG_ERROR(enable-targets option must specify target names or 'all')
26 ;;
27 no) enable_targets= ;;
28 *) enable_targets=$enableval ;;
29 esac])dnl
30
31 AM_BINUTILS_WARNINGS
32
33 AC_CONFIG_HEADERS(config.h:config.in)
34
35 if test -z "$target" ; then
36 AC_MSG_ERROR(Unrecognized target system type; please check config.sub.)
37 fi
38 if test -z "$host" ; then
39 AC_MSG_ERROR(Unrecognized host system type; please check config.sub.)
40 fi
41
42 AC_PROG_YACC
43 AM_PROG_LEX
44
45 ALL_LINGUAS="da es fi fr id ja ro ru rw sk sv tr uk vi zh_CN zh_TW bg"
46 ZW_GNU_GETTEXT_SISTER_DIR
47 AM_PO_SUBDIRS
48
49 AM_MAINTAINER_MODE
50 AM_CONDITIONAL(GENINSRC_NEVER, false)
51 AC_EXEEXT
52 if test -n "$EXEEXT"; then
53 AC_DEFINE(HAVE_EXECUTABLE_SUFFIX, 1,
54 [Does the platform use an executable suffix?])
55 fi
56 AC_DEFINE_UNQUOTED(EXECUTABLE_SUFFIX, "${EXEEXT}",
57 [Suffix used for executables, if any.])
58
59 # host-specific stuff:
60
61 HDEFINES=
62
63 . ${srcdir}/../bfd/configure.host
64
65 AC_SUBST(HDEFINES)
66 AR=${AR-ar}
67 AC_SUBST(AR)
68 AC_PROG_RANLIB
69 AC_PROG_INSTALL
70
71 BFD_CC_FOR_BUILD
72
73 DEMANGLER_NAME=c++filt
74 case "${host}" in
75 *-*-go32* | *-*-msdos*)
76 DEMANGLER_NAME=cxxfilt
77 esac
78 AC_SUBST(DEMANGLER_NAME)
79
80 AC_CHECK_HEADERS(string.h strings.h stdlib.h unistd.h fcntl.h sys/file.h limits.h sys/param.h)
81 AC_HEADER_SYS_WAIT
82 AC_FUNC_ALLOCA
83 AC_CHECK_FUNCS(sbrk utimes setmode getc_unlocked strcoll)
84 AC_CHECK_FUNC([mkstemp],
85 AC_DEFINE([HAVE_MKSTEMP], 1,
86 [Define to 1 if you have the `mkstemp' function.]))
87 AC_CHECK_FUNC([mkdtemp],
88 AC_DEFINE([HAVE_MKDTEMP], 1,
89 [Define to 1 if you have the `mkdtemp' function.]))
90
91 # Some systems have frexp only in -lm, not in -lc.
92 AC_SEARCH_LIBS(frexp, m)
93
94 AC_MSG_CHECKING(for time_t in time.h)
95 AC_CACHE_VAL(bu_cv_decl_time_t_time_h,
96 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <time.h>], [time_t i;])],
97 bu_cv_decl_time_t_time_h=yes, bu_cv_decl_time_t_time_h=no)])
98 AC_MSG_RESULT($bu_cv_decl_time_t_time_h)
99 if test $bu_cv_decl_time_t_time_h = yes; then
100 AC_DEFINE([HAVE_TIME_T_IN_TIME_H], 1,
101 [Is the type time_t defined in <time.h>?])
102 fi
103
104 AC_MSG_CHECKING(for time_t in sys/types.h)
105 AC_CACHE_VAL(bu_cv_decl_time_t_types_h,
106 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <sys/types.h>], [time_t i;])],
107 bu_cv_decl_time_t_types_h=yes, bu_cv_decl_time_t_types_h=no)])
108 AC_MSG_RESULT($bu_cv_decl_time_t_types_h)
109 if test $bu_cv_decl_time_t_types_h = yes; then
110 AC_DEFINE([HAVE_TIME_T_IN_TYPES_H], 1,
111 [Is the type time_t defined in <sys/types.h>?])
112 fi
113
114 AC_MSG_CHECKING(for a known getopt prototype in unistd.h)
115 AC_CACHE_VAL(bu_cv_decl_getopt_unistd_h,
116 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);])],
117 bu_cv_decl_getopt_unistd_h=yes, bu_cv_decl_getopt_unistd_h=no)])
118 AC_MSG_RESULT($bu_cv_decl_getopt_unistd_h)
119 if test $bu_cv_decl_getopt_unistd_h = yes; then
120 AC_DEFINE([HAVE_DECL_GETOPT], 1,
121 [Is the prototype for getopt in <unistd.h> in the expected format?])
122 fi
123
124 # Under Next 3.2 <utime.h> apparently does not define struct utimbuf
125 # by default.
126 AC_MSG_CHECKING([for utime.h])
127 AC_CACHE_VAL(bu_cv_header_utime_h,
128 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <sys/types.h>
129 #ifdef HAVE_TIME_H
130 #include <time.h>
131 #endif
132 #include <utime.h>],
133 [struct utimbuf s;])],
134 bu_cv_header_utime_h=yes, bu_cv_header_utime_h=no)])
135 AC_MSG_RESULT($bu_cv_header_utime_h)
136 if test $bu_cv_header_utime_h = yes; then
137 AC_DEFINE(HAVE_GOOD_UTIME_H, 1, [Does <utime.h> define struct utimbuf?])
138 fi
139
140 AC_CHECK_DECLS([fprintf, stpcpy, strstr, sbrk, getenv, environ, getc_unlocked,
141 snprintf, vsnprintf])
142
143 # Link in zlib if we can. This allows us to read compressed debug
144 # sections. This is used only by readelf.c (objdump uses bfd for
145 # reading compressed sections).
146 AC_SEARCH_LIBS(zlibVersion, z, [AC_CHECK_HEADERS(zlib.h)])
147
148 BFD_BINARY_FOPEN
149
150 # target-specific stuff:
151
152 # Canonicalize the secondary target names.
153 if test -n "$enable_targets"; then
154 for targ in `echo $enable_targets | sed 's/,/ /g'`
155 do
156 result=`$ac_config_sub $targ 2>/dev/null`
157 if test -n "$result"; then
158 canon_targets="$canon_targets $result"
159 else
160 # Allow targets that config.sub doesn't recognize, like "all".
161 canon_targets="$canon_targets $targ"
162 fi
163 done
164 fi
165
166 AC_CHECK_HEADER(iconv.h)
167 AM_ICONV
168
169 all_targets=false
170 BUILD_NLMCONV=
171 NLMCONV_DEFS=
172 BUILD_SRCONV=
173 BUILD_DLLTOOL=
174 DLLTOOL_DEFS=
175 DLLTOOL_DEFAULT=
176 BUILD_WINDRES=
177 BUILD_WINDMC=
178 BUILD_DLLWRAP=
179 BUILD_MISC=
180 BUILD_INSTALL_MISC=
181 OBJDUMP_DEFS=
182 OBJDUMP_PRIVATE_VECTORS=
183 OBJDUMP_PRIVATE_OFILES=
184 od_vectors=
185
186 for targ in $target $canon_targets
187 do
188 if test "x$targ" = "xall"; then
189 all_targets=true
190 BUILD_NLMCONV='$(NLMCONV_PROG)$(EXEEXT)'
191 BUILD_SRCONV='$(SRCONV_PROG)'
192 NLMCONV_DEFS="-DNLMCONV_I386 -DNLMCONV_ALPHA -DNLMCONV_POWERPC -DNLMCONV_SPARC"
193 BUILD_MISC="${BUILD_MISC} "'bin2c$(EXEEXT_FOR_BUILD)'
194 BUILD_WINDRES='$(WINDRES_PROG)$(EXEEXT)'
195 BUILD_WINDMC='$(WINDMC_PROG)$(EXEEXT)'
196 BUILD_DLLTOOL='$(DLLTOOL_PROG)$(EXEEXT)'
197 if test -z "$DLLTOOL_DEFAULT"; then
198 DLLTOOL_DEFAULT="-DDLLTOOL_DEFAULT_I386"
199 fi
200 DLLTOOL_DEFS="$DLLTOOL_DEFS -DDLLTOOL_I386"
201 BUILD_DLLWRAP='$(DLLWRAP_PROG)$(EXEEXT)'
202 od_vectors="$od_vectors objdump_private_desc_xcoff"
203 else
204 case $targ in
205 changequote(,)dnl
206 i[3-7]86*-*-netware*)
207 changequote([,])dnl
208 BUILD_NLMCONV='$(NLMCONV_PROG)$(EXEEXT)'
209 NLMCONV_DEFS="$NLMCONV_DEFS -DNLMCONV_I386"
210 ;;
211 alpha*-*-netware*)
212 BUILD_NLMCONV='$(NLMCONV_PROG)$(EXEEXT)'
213 NLMCONV_DEFS="$NLMCONV_DEFS -DNLMCONV_ALPHA"
214 ;;
215 powerpc*-*-netware*)
216 BUILD_NLMCONV='$(NLMCONV_PROG)$(EXEEXT)'
217 NLMCONV_DEFS="$NLMCONV_DEFS -DNLMCONV_POWERPC"
218 ;;
219 sparc*-*-netware*)
220 BUILD_NLMCONV='$(NLMCONV_PROG)$(EXEEXT)'
221 NLMCONV_DEFS="$NLMCONV_DEFS -DNLMCONV_SPARC"
222 ;;
223 esac
224
225 case $targ in
226 *-*-hms*) BUILD_SRCONV='$(SRCONV_PROG)' ;;
227 esac
228
229 case $targ in
230 arm-epoc-pe*)
231 BUILD_DLLTOOL='$(DLLTOOL_PROG)$(EXEEXT)'
232 if test -z "$DLLTOOL_DEFAULT"; then
233 DLLTOOL_DEFAULT="-DDLLTOOL_DEFAULT_ARM_EPOC"
234 fi
235 DLLTOOL_DEFS="$DLLTOOL_DEFS -DDLLTOOL_ARM_EPOC -DDLLTOOL_ARM"
236 BUILD_WINDRES='$(WINDRES_PROG)$(EXEEXT)'
237 BUILD_WINDMC='$(WINDMC_PROG)$(EXEEXT)'
238 ;;
239 arm-wince-pe* | arm-*-wince | arm*-*-cegcc* | arm*-*-mingw32ce*)
240 BUILD_DLLTOOL='$(DLLTOOL_PROG)$(EXEEXT)'
241 if test -z "$DLLTOOL_DEFAULT"; then
242 DLLTOOL_DEFAULT="-DDLLTOOL_DEFAULT_ARM_WINCE"
243 fi
244 DLLTOOL_DEFS="$DLLTOOL_DEFS -DDLLTOOL_ARM_WINCE -DDLLTOOL_ARM"
245 BUILD_WINDRES='$(WINDRES_PROG)$(EXEEXT)'
246 BUILD_WINDMC='$(WINDMC_PROG)$(EXEEXT)'
247 ;;
248 arm-*-pe*)
249 BUILD_DLLTOOL='$(DLLTOOL_PROG)$(EXEEXT)'
250 if test -z "$DLLTOOL_DEFAULT"; then
251 DLLTOOL_DEFAULT="-DDLLTOOL_DEFAULT_ARM"
252 fi
253 DLLTOOL_DEFS="$DLLTOOL_DEFS -DDLLTOOL_ARM"
254 BUILD_WINDRES='$(WINDRES_PROG)$(EXEEXT)'
255 BUILD_WINDMC='$(WINDMC_PROG)$(EXEEXT)'
256 ;;
257 x86_64-*-mingw*)
258 BUILD_DLLTOOL='$(DLLTOOL_PROG)$(EXEEXT)'
259 if test -z "$DLLTOOL_DEFAULT"; then
260 DLLTOOL_DEFAULT="-DDLLTOOL_DEFAULT_MX86_64"
261 fi
262 DLLTOOL_DEFS="$DLLTOOL_DEFS -DDLLTOOL_MX86_64"
263 BUILD_WINDRES='$(WINDRES_PROG)$(EXEEXT)'
264 BUILD_WINDMC='$(WINDMC_PROG)$(EXEEXT)'
265 BUILD_DLLWRAP='$(DLLWRAP_PROG)$(EXEEXT)'
266 ;;
267 changequote(,)dnl
268 i[3-7]86-*-pe* | i[3-7]86-*-cygwin* | i[3-7]86-*-mingw32** | i[3-7]86-*-netbsdpe*)
269 changequote([,])dnl
270 BUILD_DLLTOOL='$(DLLTOOL_PROG)$(EXEEXT)'
271 if test -z "$DLLTOOL_DEFAULT"; then
272 DLLTOOL_DEFAULT="-DDLLTOOL_DEFAULT_I386"
273 fi
274 DLLTOOL_DEFS="$DLLTOOL_DEFS -DDLLTOOL_I386"
275 BUILD_WINDRES='$(WINDRES_PROG)$(EXEEXT)'
276 BUILD_WINDMC='$(WINDMC_PROG)$(EXEEXT)'
277 BUILD_DLLWRAP='$(DLLWRAP_PROG)$(EXEEXT)'
278 ;;
279 changequote(,)dnl
280 i[3-7]86-*-interix)
281 changequote([,])dnl
282 BUILD_DLLTOOL='$(DLLTOOL_PROG)'
283 if test -z "$DLLTOOL_DEFAULT"; then
284 DLLTOOL_DEFAULT="-DDLLTOOL_DEFAULT_I386"
285 fi
286 DLLTOOL_DEFS="$DLLTOOL_DEFS -DDLLTOOL_I386"
287 ;;
288 changequote(,)dnl
289 powerpc*-aix5.[01])
290 changequote([,])dnl
291 ;;
292 changequote(,)dnl
293 powerpc*-aix[5-9].*)
294 changequote([,])dnl
295 OBJDUMP_DEFS="-DAIX_WEAK_SUPPORT"
296 ;;
297 powerpc*-*-pe* | powerpc*-*-cygwin*)
298 BUILD_DLLTOOL='$(DLLTOOL_PROG)$(EXEEXT)'
299 if test -z "$DLLTOOL_DEFAULT"; then
300 DLLTOOL_DEFAULT="-DDLLTOOL_DEFAULT_PPC"
301 fi
302 DLLTOOL_DEFS="$DLLTOOL_DEFS -DDLLTOOL_PPC"
303 BUILD_WINDRES='$(WINDRES_PROG)$(EXEEXT)'
304 BUILD_WINDMC='$(WINDMC_PROG)$(EXEEXT)'
305 ;;
306 powerpc*-*-linux* | powerpc*-*-elf* | powerpc*-*-eabi*)
307 BUILD_INSTALL_MISC="${BUILD_INSTALL_MISC} embedspu"
308 ;;
309 sh*-*-pe)
310 BUILD_DLLTOOL='$(DLLTOOL_PROG)$(EXEEXT)'
311 if test -z "$DLLTOOL_DEFAULT"; then
312 DLLTOOL_DEFAULT="-DDLLTOOL_DEFAULT_SH"
313 fi
314 DLLTOOL_DEFS="$DLLTOOL_DEFS -DDLLTOOL_SH"
315 BUILD_WINDRES='$(WINDRES_PROG)$(EXEEXT)'
316 BUILD_WINDMC='$(WINDMC_PROG)$(EXEEXT)'
317 ;;
318 spu-*-*)
319 BUILD_MISC="${BUILD_MISC} "'bin2c$(EXEEXT_FOR_BUILD)'
320 ;;
321 mips*-*-pe)
322 BUILD_DLLTOOL='$(DLLTOOL_PROG)$(EXEEXT)'
323 if test -z "$DLLTOOL_DEFAULT"; then
324 DLLTOOL_DEFAULT="-DDLLTOOL_DEFAULT_MIPS"
325 fi
326 DLLTOOL_DEFS="$DLLTOOL_DEFS -DDLLTOOL_MIPS"
327 BUILD_WINDRES='$(WINDRES_PROG)$(EXEEXT)'
328 BUILD_WINDMC='$(WINDMC_PROG)$(EXEEXT)'
329 ;;
330 mcore-*-pe)
331 BUILD_DLLTOOL='$(DLLTOOL_PROG)$(EXEEXT)'
332 if test -z "$DLLTOOL_DEFAULT"; then
333 DLLTOOL_DEFAULT="-DDLLTOOL_DEFAULT_MCORE"
334 fi
335 DLLTOOL_DEFS="$DLLTOOL_DEFS -DDLLTOOL_MCORE"
336 BUILD_WINDRES='$(WINDRES_PROG)$(EXEEXT)'
337 BUILD_WINDMC='$(WINDMC_PROG)$(EXEEXT)'
338 ;;
339 mcore-*-elf)
340 BUILD_DLLTOOL='$(DLLTOOL_PROG)$(EXEEXT)'
341 if test -z "$DLLTOOL_DEFAULT"; then
342 DLLTOOL_DEFAULT="-DDLLTOOL_DEFAULT_MCORE_ELF"
343 fi
344 DLLTOOL_DEFS="$DLLTOOL_DEFS -DDLLTOOL_MCORE_ELF"
345 ;;
346 mep-*)
347 OBJDUMP_DEFS="-DSKIP_ZEROES=256 -DSKIP_ZEROES_AT_END=0"
348 ;;
349 esac
350
351 # Add objdump private vectors.
352 case $targ in
353 powerpc-*-aix*)
354 od_vectors="$od_vectors objdump_private_desc_xcoff"
355 ;;
356 esac
357 fi
358 done
359
360 # Uniq objdump private vector, build objdump target ofiles.
361 od_files=
362 f=""
363 for i in $od_vectors ; do
364 case " $f " in
365 *" $i "*) ;;
366 *)
367 f="$f $i"
368 OBJDUMP_PRIVATE_VECTORS="$OBJDUMP_PRIVATE_VECTORS &$i,"
369 case $i in
370 objdump_private_desc_xcoff)
371 od_files="$od_files od-xcoff" ;;
372 *) AC_MSG_ERROR(*** unknown private vector $i) ;;
373 esac
374 ;;
375 esac
376 done
377
378 # Uniq objdump target ofiles
379 f=""
380 for i in $od_files ; do
381 case " $f " in
382 *" $i "*) ;;
383 *)
384 f="$f $i"
385 OBJDUMP_PRIVATE_OFILES="$OBJDUMP_PRIVATE_OFILES $i.$objext"
386 ;;
387 esac
388 done
389
390 DLLTOOL_DEFS="$DLLTOOL_DEFS $DLLTOOL_DEFAULT"
391
392 if test "${with_windres+set}" = set; then
393 BUILD_WINDRES='$(WINDRES_PROG)$(EXEEXT)'
394 fi
395
396 if test "${with_windmc+set}" = set; then
397 BUILD_WINDMC='$(WINDMC_PROG)$(EXEEXT)'
398 fi
399
400 OBJDUMP_DEFS="${OBJDUMP_DEFS} -DOBJDUMP_PRIVATE_VECTORS=\"${OBJDUMP_PRIVATE_VECTORS}\""
401
402 AC_SUBST(NLMCONV_DEFS)
403 AC_SUBST(BUILD_NLMCONV)
404 AC_SUBST(BUILD_SRCONV)
405 AC_SUBST(BUILD_DLLTOOL)
406 AC_SUBST(DLLTOOL_DEFS)
407 AC_SUBST(BUILD_WINDRES)
408 AC_SUBST(BUILD_WINDMC)
409 AC_SUBST(BUILD_DLLWRAP)
410 AC_SUBST(BUILD_MISC)
411 AC_SUBST(BUILD_INSTALL_MISC)
412 AC_SUBST(OBJDUMP_DEFS)
413 AC_SUBST(OBJDUMP_PRIVATE_OFILES)
414
415 AC_DEFINE_UNQUOTED(TARGET, "${target}", [Configured target name.])
416
417 targ=$target
418 . $srcdir/../bfd/config.bfd
419 if test "x$targ_underscore" = "xyes"; then
420 UNDERSCORE=1
421 else
422 UNDERSCORE=0
423 fi
424 AC_DEFINE_UNQUOTED(TARGET_PREPENDS_UNDERSCORE, $UNDERSCORE,
425 [Define to 1 if user symbol names have a leading underscore, 0 if not.])
426
427 # Emulation
428 targ=$target
429 . ${srcdir}/configure.tgt
430 EMULATION=$targ_emul
431 EMULATION_VECTOR=$targ_emul_vector
432
433 AC_SUBST(EMULATION)
434 AC_SUBST(EMULATION_VECTOR)
435
436 # Required for html and install-html
437 AC_SUBST(datarootdir)
438 AC_SUBST(docdir)
439 AC_SUBST(htmldir)
440 AC_SUBST(pdfdir)
441
442 AC_CONFIG_FILES(Makefile doc/Makefile po/Makefile.in:po/Make-in)
443 AC_OUTPUT
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