Add a check for <unistd.h> providing a prototype for getopt() which is compatible
[deliverable/binutils-gdb.git] / binutils / configure.in
1 dnl Process this file with autoconf to produce a configure script.
2 dnl
3 AC_PREREQ(2.13)
4 AC_INIT(ar.c)
5
6 AC_CANONICAL_SYSTEM
7 AC_ISC_POSIX
8
9 changequote(,)dnl
10 BFD_VERSION=`sed -n -e 's/^.._INIT_AUTOMAKE.*,[ ]*\([^ ]*\)[ ]*).*/\1/p' < ${srcdir}/../bfd/configure.in`
11 changequote([,])dnl
12 AM_INIT_AUTOMAKE(binutils, ${BFD_VERSION})
13
14 AM_PROG_LIBTOOL
15
16 AC_ARG_ENABLE(targets,
17 [ --enable-targets alternative target configurations],
18 [case "${enableval}" in
19 yes | "") AC_ERROR(enable-targets option must specify target names or 'all')
20 ;;
21 no) enable_targets= ;;
22 *) enable_targets=$enableval ;;
23 esac])dnl
24 AC_ARG_ENABLE(commonbfdlib,
25 [ --enable-commonbfdlib build shared BFD/opcodes/libiberty library],
26 [case "${enableval}" in
27 yes) commonbfdlib=true ;;
28 no) commonbfdlib=false ;;
29 *) AC_MSG_ERROR([bad value ${enableval} for BFD commonbfdlib option]) ;;
30 esac])dnl
31
32 build_warnings="-W -Wall -Wstrict-prototypes -Wmissing-prototypes"
33
34 AC_ARG_ENABLE(werror,
35 [ --enable-werror treat compile warnings as errors],
36 [case "${enableval}" in
37 yes | y) ERROR_ON_WARNING="yes" ;;
38 no | n) ERROR_ON_WARNING="no" ;;
39 *) AC_MSG_ERROR(bad value ${enableval} for --enable-werror) ;;
40 esac])
41
42 # Enable -Werror by default, suppressing it only for --disable-werror
43 # or --disable-build-warnings.
44 if test "${ERROR_ON_WARNING}" != no
45 then
46 build_warnings="$build_warnings -Werror"
47 fi
48
49 AC_ARG_ENABLE(build-warnings,
50 [ --enable-build-warnings Enable build-time compiler warnings if gcc is used],
51 [case "${enableval}" in
52 yes) ;;
53 no) build_warnings="-w";;
54 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
55 build_warnings="${build_warnings} ${t}";;
56 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
57 build_warnings="${t} ${build_warnings}";;
58 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
59 esac
60 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
61 echo "Setting warning flags = $build_warnings" 6>&1
62 fi])dnl
63 WARN_CFLAGS=""
64 if test "x${build_warnings}" != x -a "x$GCC" = xyes ; then
65 WARN_CFLAGS="${build_warnings}"
66 fi
67 AC_SUBST(WARN_CFLAGS)
68
69 AM_CONFIG_HEADER(config.h:config.in)
70
71 if test -z "$target" ; then
72 AC_MSG_ERROR(Unrecognized target system type; please check config.sub.)
73 fi
74 if test -z "$host" ; then
75 AC_MSG_ERROR(Unrecognized host system type; please check config.sub.)
76 fi
77
78 AC_PROG_CC
79
80 AC_PROG_YACC
81 AM_PROG_LEX
82
83 ALL_LINGUAS="fr tr ja es sv da zh_CN ru ro"
84 CY_GNU_GETTEXT
85
86 AM_MAINTAINER_MODE
87 AC_EXEEXT
88 if test -n "$EXEEXT"; then
89 AC_DEFINE(HAVE_EXECUTABLE_SUFFIX, 1,
90 [Does the platform use an executable suffix?])
91 fi
92 AC_DEFINE_UNQUOTED(EXECUTABLE_SUFFIX, "${EXEEXT}",
93 [Suffix used for executables, if any.])
94
95 # host-specific stuff:
96
97 HDEFINES=
98
99 . ${srcdir}/../bfd/configure.host
100
101 AC_SUBST(HDEFINES)
102 AR=${AR-ar}
103 AC_SUBST(AR)
104 AC_PROG_RANLIB
105 AC_PROG_INSTALL
106
107 BFD_CC_FOR_BUILD
108
109 DEMANGLER_NAME=c++filt
110 case "${host}" in
111 *-*-go32* | *-*-msdos*)
112 DEMANGLER_NAME=cxxfilt
113 esac
114 AC_SUBST(DEMANGLER_NAME)
115
116 AC_CHECK_HEADERS(string.h strings.h stdlib.h unistd.h fcntl.h sys/file.h)
117 AC_HEADER_SYS_WAIT
118 AC_FUNC_ALLOCA
119 AC_CHECK_FUNCS(sbrk utimes setmode getc_unlocked strcoll)
120
121 # Check whether fopen64 is available and whether _LARGEFILE64_SOURCE
122 # needs to be defined for it
123 AC_MSG_CHECKING([for fopen64])
124 AC_CACHE_VAL(bu_cv_have_fopen64,
125 [AC_TRY_LINK([#include <stdio.h>], [FILE *f = fopen64 ("/tmp/foo","r");],
126 bu_cv_have_fopen64=yes,
127 [saved_CPPFLAGS=$CPPFLAGS
128 CPPFLAGS="$CPPFLAGS -D_LARGEFILE64_SOURCE"
129 AC_TRY_LINK([#include <stdio.h>], [FILE *f = fopen64 ("/tmp/foo","r");],
130 bu_cv_have_fopen64="need -D_LARGEFILE64_SOURCE",
131 bu_cv_have_fopen64=no)
132 CPPFLAGS=$saved_CPPFLAGS])])
133 AC_MSG_RESULT($bu_cv_have_fopen64)
134 if test "$bu_cv_have_fopen64" != no; then
135 AC_DEFINE([HAVE_FOPEN64], 1,
136 [Is fopen64 available?])
137 fi
138 AC_MSG_CHECKING([for stat64])
139 AC_CACHE_VAL(bu_cv_have_stat64,
140 [AC_TRY_LINK([#include <sys/stat.h>], [struct stat64 st; stat64 ("/tmp/foo", &st);],
141 bu_cv_have_stat64=yes,
142 [saved_CPPFLAGS=$CPPFLAGS
143 CPPFLAGS="$CPPFLAGS -D_LARGEFILE64_SOURCE"
144 AC_TRY_LINK([#include <sys/stat.h>], [struct stat64 st; stat64 ("/tmp/foo", &st);],
145 bu_cv_have_stat64="need -D_LARGEFILE64_SOURCE",
146 bu_cv_have_stat64=no)
147 CPPFLAGS=$saved_CPPFLAGS])])
148 AC_MSG_RESULT($bu_cv_have_stat64)
149 if test "$bu_cv_have_stat64" != no; then
150 AC_DEFINE([HAVE_STAT64], 1,
151 [Is stat64 available?])
152 fi
153 if test "$bu_cv_have_fopen64" = "need -D_LARGEFILE64_SOURCE" \
154 || test "$bu_cv_have_stat64" = "need -D_LARGEFILE64_SOURCE"; then
155 AC_DEFINE([_LARGEFILE64_SOURCE], 1,
156 [Enable LFS])
157 CPPFLAGS="$CPPFLAGS -D_LARGEFILE64_SOURCE"
158 fi
159
160 # Some systems have frexp only in -lm, not in -lc.
161 AC_SEARCH_LIBS(frexp, m)
162
163 AC_MSG_CHECKING(for time_t in time.h)
164 AC_CACHE_VAL(bu_cv_decl_time_t_time_h,
165 [AC_TRY_COMPILE([#include <time.h>], [time_t i;],
166 bu_cv_decl_time_t_time_h=yes, bu_cv_decl_time_t_time_h=no)])
167 AC_MSG_RESULT($bu_cv_decl_time_t_time_h)
168 if test $bu_cv_decl_time_t_time_h = yes; then
169 AC_DEFINE([HAVE_TIME_T_IN_TIME_H], 1,
170 [Is the type time_t defined in <time.h>?])
171 fi
172
173 AC_MSG_CHECKING(for time_t in sys/types.h)
174 AC_CACHE_VAL(bu_cv_decl_time_t_types_h,
175 [AC_TRY_COMPILE([#include <sys/types.h>], [time_t i;],
176 bu_cv_decl_time_t_types_h=yes, bu_cv_decl_time_t_types_h=no)])
177 AC_MSG_RESULT($bu_cv_decl_time_t_types_h)
178 if test $bu_cv_decl_time_t_types_h = yes; then
179 AC_DEFINE([HAVE_TIME_T_IN_TYPES_H], 1,
180 [Is the type time_t defined in <sys/types.h>?])
181 fi
182
183 AC_MSG_CHECKING(for a known getopt prototype in unistd.h)
184 AC_CACHE_VAL(bu_cv_decl_getopt_unistd_h,
185 [AC_TRY_COMPILE([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);],
186 bu_cv_decl_getopt_unistd_h=yes, bu_cv_decl_getopt_unistd_h=no)])
187 AC_MSG_RESULT($bu_cv_decl_getopt_unistd_h)
188 if test $bu_cv_decl_getopt_unistd_h = yes; then
189 AC_DEFINE([HAVE_DECL_GETOPT], 1,
190 [Is the prototype for getopt in <unistd.h> in the expected format?])
191 fi
192
193 # Under Next 3.2 <utime.h> apparently does not define struct utimbuf
194 # by default.
195 AC_MSG_CHECKING([for utime.h])
196 AC_CACHE_VAL(bu_cv_header_utime_h,
197 [AC_TRY_COMPILE([#include <sys/types.h>
198 #ifdef HAVE_TIME_H
199 #include <time.h>
200 #endif
201 #include <utime.h>],
202 [struct utimbuf s;],
203 bu_cv_header_utime_h=yes, bu_cv_header_utime_h=no)])
204 AC_MSG_RESULT($bu_cv_header_utime_h)
205 if test $bu_cv_header_utime_h = yes; then
206 AC_DEFINE(HAVE_GOOD_UTIME_H, 1, [Does <utime.h> define struct utimbuf?])
207 fi
208
209 BFD_NEED_DECLARATION(fprintf)
210 BFD_NEED_DECLARATION(strstr)
211 BFD_NEED_DECLARATION(sbrk)
212 BFD_NEED_DECLARATION(getenv)
213 BFD_NEED_DECLARATION(environ)
214
215 BFD_BINARY_FOPEN
216
217 # target-specific stuff:
218
219 # Canonicalize the secondary target names.
220 if test -n "$enable_targets"; then
221 for targ in `echo $enable_targets | sed 's/,/ /g'`
222 do
223 result=`$ac_config_sub $targ 2>/dev/null`
224 if test -n "$result"; then
225 canon_targets="$canon_targets $result"
226 else
227 # Allow targets that config.sub doesn't recognize, like "all".
228 canon_targets="$canon_targets $targ"
229 fi
230 done
231 fi
232
233 all_targets=false
234 BUILD_NLMCONV=
235 NLMCONV_DEFS=
236 BUILD_SRCONV=
237 BUILD_DLLTOOL=
238 DLLTOOL_DEFS=
239 BUILD_WINDRES=
240 BUILD_DLLWRAP=
241 BUILD_MISC=
242 OBJDUMP_DEFS=
243
244 for targ in $target $canon_targets
245 do
246 if test "x$targ" = "xall"; then
247 all_targets=true
248 BUILD_NLMCONV='$(NLMCONV_PROG)$(EXEEXT)'
249 BUILD_SRCONV='$(SRCONV_PROG)'
250 NLMCONV_DEFS="-DNLMCONV_I386 -DNLMCONV_ALPHA -DNLMCONV_POWERPC -DNLMCONV_SPARC"
251 else
252 case $targ in
253 changequote(,)dnl
254 i[3-7]86*-*-netware*)
255 changequote([,])dnl
256 BUILD_NLMCONV='$(NLMCONV_PROG)$(EXEEXT)'
257 NLMCONV_DEFS="$NLMCONV_DEFS -DNLMCONV_I386"
258 ;;
259 alpha*-*-netware*)
260 BUILD_NLMCONV='$(NLMCONV_PROG)$(EXEEXT)'
261 NLMCONV_DEFS="$NLMCONV_DEFS -DNLMCONV_ALPHA"
262 ;;
263 powerpc*-*-netware*)
264 BUILD_NLMCONV='$(NLMCONV_PROG)$(EXEEXT)'
265 NLMCONV_DEFS="$NLMCONV_DEFS -DNLMCONV_POWERPC"
266 ;;
267 sparc*-*-netware*)
268 BUILD_NLMCONV='$(NLMCONV_PROG)$(EXEEXT)'
269 NLMCONV_DEFS="$NLMCONV_DEFS -DNLMCONV_SPARC"
270 ;;
271 esac
272 case $targ in
273 *-*-hms*) BUILD_SRCONV='$(SRCONV_PROG)' ;;
274 esac
275 case $targ in
276 arm-epoc-pe*)
277 BUILD_DLLTOOL='$(DLLTOOL_PROG)$(EXEEXT)'
278 DLLTOOL_DEFS="$DLLTOOL_DEFS -DDLLTOOL_ARM_EPOC -DDLLTOOL_ARM"
279 BUILD_WINDRES='$(WINDRES_PROG)$(EXEEXT)'
280 ;;
281 arm-*-pe* | arm-*-wince)
282 BUILD_DLLTOOL='$(DLLTOOL_PROG)$(EXEEXT)'
283 DLLTOOL_DEFS="$DLLTOOL_DEFS -DDLLTOOL_ARM"
284 BUILD_WINDRES='$(WINDRES_PROG)$(EXEEXT)'
285 ;;
286 thumb-*-pe*)
287 BUILD_DLLTOOL='$(DLLTOOL_PROG)$(EXEEXT)'
288 DLLTOOL_DEFS="$DLLTOOL_DEFS -DDLLTOOL_ARM"
289 BUILD_WINDRES='$(WINDRES_PROG)$(EXEEXT)'
290 ;;
291 arm*-* | xscale-* | strongarm-* | d10v-*)
292 OBJDUMP_DEFS="-DDISASSEMBLER_NEEDS_RELOCS"
293 ;;
294 changequote(,)dnl
295 i[3-7]86-*-pe* | i[3-7]86-*-cygwin* | i[3-7]86-*-mingw32** | i[3-7]86-*-netbsdpe*)
296 changequote([,])dnl
297 BUILD_DLLTOOL='$(DLLTOOL_PROG)$(EXEEXT)'
298 DLLTOOL_DEFS="$DLLTOOL_DEFS -DDLLTOOL_I386"
299 BUILD_WINDRES='$(WINDRES_PROG)$(EXEEXT)'
300 BUILD_DLLWRAP='$(DLLWRAP_PROG)$(EXEEXT)'
301 ;;
302 changequote(,)dnl
303 i[3-7]86-*-interix)
304 changequote([,])dnl
305 BUILD_DLLTOOL='$(DLLTOOL_PROG)'
306 DLLTOOL_DEFS="$DLLTOOL_DEFS -DDLLTOOL_I386"
307 ;;
308 changequote(,)dnl
309 powerpc*-aix5.[01])
310 changequote([,])dnl
311 ;;
312 powerpc*-aix5.*)
313 OBJDUMP_DEFS="-DAIX_WEAK_SUPPORT"
314 ;;
315 powerpc*-*-pe* | powerpc*-*-cygwin*)
316 BUILD_DLLTOOL='$(DLLTOOL_PROG)$(EXEEXT)'
317 DLLTOOL_DEFS="$DLLTOOL_DEFS -DDLLTOOL_PPC"
318 BUILD_WINDRES='$(WINDRES_PROG)$(EXEEXT)'
319 ;;
320 sh*-*-pe)
321 BUILD_DLLTOOL='$(DLLTOOL_PROG)$(EXEEXT)'
322 DLLTOOL_DEFS="$DLLTOOL_DEFS -DDLLTOOL_SH"
323 BUILD_WINDRES='$(WINDRES_PROG)$(EXEEXT)'
324 ;;
325 mips*-*-pe)
326 BUILD_DLLTOOL='$(DLLTOOL_PROG)$(EXEEXT)'
327 DLLTOOL_DEFS="$DLLTOOL_DEFS -DDLLTOOL_MIPS"
328 BUILD_WINDRES='$(WINDRES_PROG)$(EXEEXT)'
329 ;;
330 mcore-*-pe)
331 BUILD_DLLTOOL='$(DLLTOOL_PROG)$(EXEEXT)'
332 DLLTOOL_DEFS="$DLLTOOL_DEFS -DDLLTOOL_MCORE"
333 BUILD_WINDRES='$(WINDRES_PROG)$(EXEEXT)'
334 ;;
335 mcore-*-elf)
336 BUILD_DLLTOOL='$(DLLTOOL_PROG)$(EXEEXT)'
337 DLLTOOL_DEFS="$DLLTOOL_DEFS -DDLLTOOL_MCORE_ELF"
338 ;;
339 esac
340 fi
341 done
342
343 if test "${with_windres+set}" = set; then
344 BUILD_WINDRES='$(WINDRES_PROG)$(EXEEXT)'
345 fi
346
347 AC_SUBST(NLMCONV_DEFS)
348 AC_SUBST(BUILD_NLMCONV)
349 AC_SUBST(BUILD_SRCONV)
350 AC_SUBST(BUILD_DLLTOOL)
351 AC_SUBST(DLLTOOL_DEFS)
352 AC_SUBST(BUILD_WINDRES)
353 AC_SUBST(BUILD_DLLWRAP)
354 AC_SUBST(BUILD_MISC)
355 AC_SUBST(OBJDUMP_DEFS)
356
357 AC_DEFINE_UNQUOTED(TARGET, "${target}", [Configured target name.])
358
359 targ=$target
360 . $srcdir/../bfd/config.bfd
361 if test "x$targ_underscore" = "xyes"; then
362 UNDERSCORE=1
363 else
364 UNDERSCORE=0
365 fi
366 AC_DEFINE_UNQUOTED(TARGET_PREPENDS_UNDERSCORE, $UNDERSCORE,
367 [Define to 1 if user symbol names have a leading underscore, 0 if not.])
368
369 # Emulation
370 for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'`
371 do
372 # Canonicalize the secondary target names.
373 result=`$ac_config_sub $targ_alias 2>/dev/null`
374 if test -n "$result"; then
375 targ=$result
376 else
377 targ=$targ_alias
378 fi
379
380 . ${srcdir}/configure.tgt
381
382 EMULATION=$targ_emul
383 EMULATION_VECTOR=$targ_emul_vector
384 done
385
386 AC_SUBST(EMULATION)
387 AC_SUBST(EMULATION_VECTOR)
388
389 AC_OUTPUT(Makefile doc/Makefile po/Makefile.in:po/Make-in,
390 [
391 case "x$CONFIG_FILES" in
392 *) sed -e '/POTFILES =/r po/POTFILES' po/Makefile.in > po/Makefile ;;
393 esac
394 ])
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