]>
Commit | Line | Data |
---|---|---|
63e5e3e0 | 1 | dnl Process this with autoconf to create configure |
3ed8e5b6 AT |
2 | |
3 | AC_PREREQ(2.59) | |
4 | ||
b7b857bb | 5 | AC_INIT([libffi], [3.0.8], [http://gcc.gnu.org/bugs.html]) |
3ed8e5b6 AT |
6 | AC_CONFIG_HEADERS([fficonfig.h]) |
7 | ||
8 | AM_ENABLE_MULTILIB(, ..) | |
3c18f2d1 | 9 | |
bbf3057b AT |
10 | AC_CANONICAL_SYSTEM |
11 | target_alias=${target_alias-$host_alias} | |
63e5e3e0 | 12 | |
88d8c771 AG |
13 | . ${srcdir}/configure.host |
14 | ||
3ed8e5b6 | 15 | AM_INIT_AUTOMAKE |
63e5e3e0 | 16 | |
3ed8e5b6 AT |
17 | # The same as in boehm-gc and libstdc++. Have to borrow it from there. |
18 | # We must force CC to /not/ be precious variables; otherwise | |
19 | # the wrong, non-multilib-adjusted value will be used in multilibs. | |
20 | # As a side effect, we have to subst CFLAGS ourselves. | |
63e5e3e0 | 21 | |
3ed8e5b6 AT |
22 | m4_rename([_AC_ARG_VAR_PRECIOUS],[real_PRECIOUS]) |
23 | m4_define([_AC_ARG_VAR_PRECIOUS],[]) | |
63e5e3e0 | 24 | AC_PROG_CC |
3ed8e5b6 | 25 | m4_rename([real_PRECIOUS],[_AC_ARG_VAR_PRECIOUS]) |
bbf3057b | 26 | |
3ed8e5b6 AT |
27 | AC_SUBST(CFLAGS) |
28 | ||
29 | AM_PROG_AS | |
30 | AM_PROG_CC_C_O | |
63e5e3e0 AG |
31 | AC_PROG_LIBTOOL |
32 | ||
3ed8e5b6 AT |
33 | AM_MAINTAINER_MODE |
34 | ||
c9b93377 JB |
35 | AC_CHECK_HEADERS(sys/mman.h) |
36 | AC_CHECK_FUNCS(mmap) | |
5196736e AJ |
37 | AC_FUNC_MMAP_BLACKLIST |
38 | ||
bbf3057b AT |
39 | dnl The -no-testsuite modules omit the test subdir. |
40 | AM_CONDITIONAL(TESTSUBDIR, test -d $srcdir/testsuite) | |
41 | ||
63e5e3e0 AG |
42 | TARGETDIR="unknown" |
43 | case "$host" in | |
bf8da5fc RH |
44 | alpha*-*-*) |
45 | TARGET=ALPHA; TARGETDIR=alpha; | |
46 | # Support 128-bit long double, changable via command-line switch. | |
47 | HAVE_LONG_DOUBLE='defined(__LONG_DOUBLE_128__)' | |
48 | ;; | |
49 | ||
50 | arm*-*-*) | |
51 | TARGET=ARM; TARGETDIR=arm | |
52 | ;; | |
53 | ||
2e250fa2 BK |
54 | amd64-*-freebsd*) |
55 | TARGET=X86_64; TARGETDIR=x86 | |
56 | ;; | |
57 | ||
bf8da5fc RH |
58 | cris-*-*) |
59 | TARGET=LIBFFI_CRIS; TARGETDIR=cris | |
60 | ;; | |
61 | ||
62 | frv-*-*) | |
63 | TARGET=FRV; TARGETDIR=frv | |
64 | ;; | |
65 | ||
b7b857bb | 66 | hppa*-*-linux* | parisc*-*-linux*) |
bf8da5fc RH |
67 | TARGET=PA_LINUX; TARGETDIR=pa |
68 | ;; | |
69 | hppa*64-*-hpux*) | |
70 | TARGET=PA64_HPUX; TARGETDIR=pa | |
71 | ;; | |
72 | hppa*-*-hpux*) | |
73 | TARGET=PA_HPUX; TARGETDIR=pa | |
74 | ;; | |
75 | ||
b7b857bb AH |
76 | i386-*-freebsd* | i386-*-openbsd*) |
77 | TARGET=X86_FREEBSD; TARGETDIR=x86 | |
78 | ;; | |
bf8da5fc RH |
79 | i?86-win32* | i?86-*-cygwin* | i?86-*-mingw*) |
80 | TARGET=X86_WIN32; TARGETDIR=x86 | |
81 | ;; | |
82 | i?86-*-darwin*) | |
83 | TARGET=X86_DARWIN; TARGETDIR=x86 | |
84 | ;; | |
04a49983 RO |
85 | i?86-*-solaris2.1[[0-9]]*) |
86 | TARGET=X86_64; TARGETDIR=x86 | |
87 | ;; | |
bf8da5fc RH |
88 | i?86-*-*) |
89 | TARGET=X86; TARGETDIR=x86 | |
90 | ;; | |
91 | ||
92 | ia64*-*-*) | |
93 | TARGET=IA64; TARGETDIR=ia64 | |
94 | ;; | |
95 | ||
96 | m32r*-*-*) | |
97 | TARGET=M32R; TARGETDIR=m32r | |
98 | ;; | |
99 | ||
100 | m68k-*-*) | |
101 | TARGET=M68K; TARGETDIR=m68k | |
102 | ;; | |
103 | ||
bf8da5fc | 104 | mips-sgi-irix5.* | mips-sgi-irix6.*) |
8d5c5e35 | 105 | TARGET=MIPS; TARGETDIR=mips |
bf8da5fc RH |
106 | ;; |
107 | mips*-*-linux*) | |
8d5c5e35 | 108 | TARGET=MIPS; TARGETDIR=mips |
bf8da5fc RH |
109 | ;; |
110 | ||
b7b857bb AH |
111 | powerpc*-*-linux* | powerpc-*-sysv*) |
112 | TARGET=POWERPC; TARGETDIR=powerpc | |
113 | ;; | |
114 | powerpc-*-beos*) | |
bf8da5fc RH |
115 | TARGET=POWERPC; TARGETDIR=powerpc |
116 | ;; | |
117 | powerpc-*-darwin*) | |
118 | TARGET=POWERPC_DARWIN; TARGETDIR=powerpc | |
119 | ;; | |
120 | powerpc-*-aix* | rs6000-*-aix*) | |
121 | TARGET=POWERPC_AIX; TARGETDIR=powerpc | |
122 | ;; | |
123 | powerpc-*-freebsd*) | |
124 | TARGET=POWERPC_FREEBSD; TARGETDIR=powerpc | |
125 | ;; | |
126 | powerpc*-*-rtems*) | |
127 | TARGET=POWERPC; TARGETDIR=powerpc | |
128 | ;; | |
129 | ||
130 | s390-*-* | s390x-*-*) | |
131 | TARGET=S390; TARGETDIR=s390 | |
132 | ;; | |
133 | ||
134 | sh-*-* | sh[[34]]*-*-*) | |
135 | TARGET=SH; TARGETDIR=sh | |
136 | ;; | |
137 | sh64-*-* | sh5*-*-*) | |
138 | TARGET=SH64; TARGETDIR=sh64 | |
139 | ;; | |
140 | ||
141 | sparc*-*-*) | |
142 | TARGET=SPARC; TARGETDIR=sparc | |
143 | ;; | |
144 | ||
145 | x86_64-*-darwin*) | |
146 | TARGET=X86_DARWIN; TARGETDIR=x86 | |
147 | ;; | |
148 | x86_64-*-cygwin* | x86_64-*-mingw*) | |
149 | ;; | |
150 | x86_64-*-*) | |
151 | TARGET=X86_64; TARGETDIR=x86 | |
152 | ;; | |
63e5e3e0 AG |
153 | esac |
154 | ||
bbf3057b AT |
155 | AC_SUBST(AM_RUNTESTFLAGS) |
156 | ||
63e5e3e0 | 157 | if test $TARGETDIR = unknown; then |
3ed8e5b6 | 158 | AC_MSG_ERROR(["libffi has not been ported to $host."]) |
63e5e3e0 AG |
159 | fi |
160 | ||
8d5c5e35 | 161 | AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS) |
63e5e3e0 AG |
162 | AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC) |
163 | AM_CONDITIONAL(X86, test x$TARGET = xX86) | |
b7b857bb | 164 | AM_CONDITIONAL(X86_FREEBSD, test x$TARGET = xX86_FREEBSD) |
d6c4152a | 165 | AM_CONDITIONAL(X86_WIN32, test x$TARGET = xX86_WIN32) |
a3bd50cc | 166 | AM_CONDITIONAL(X86_DARWIN, test x$TARGET = xX86_DARWIN) |
63e5e3e0 | 167 | AM_CONDITIONAL(ALPHA, test x$TARGET = xALPHA) |
dc5de370 | 168 | AM_CONDITIONAL(IA64, test x$TARGET = xIA64) |
a472e9d4 | 169 | AM_CONDITIONAL(M32R, test x$TARGET = xM32R) |
63e5e3e0 AG |
170 | AM_CONDITIONAL(M68K, test x$TARGET = xM68K) |
171 | AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC) | |
2f4006f8 | 172 | AM_CONDITIONAL(POWERPC_AIX, test x$TARGET = xPOWERPC_AIX) |
3c017635 | 173 | AM_CONDITIONAL(POWERPC_DARWIN, test x$TARGET = xPOWERPC_DARWIN) |
97067642 | 174 | AM_CONDITIONAL(POWERPC_FREEBSD, test x$TARGET = xPOWERPC_FREEBSD) |
63e5e3e0 | 175 | AM_CONDITIONAL(ARM, test x$TARGET = xARM) |
614348bb | 176 | AM_CONDITIONAL(LIBFFI_CRIS, test x$TARGET = xLIBFFI_CRIS) |
88d8c771 | 177 | AM_CONDITIONAL(FRV, test x$TARGET = xFRV) |
22bcf65c | 178 | AM_CONDITIONAL(S390, test x$TARGET = xS390) |
c94974ca | 179 | AM_CONDITIONAL(X86_64, test x$TARGET = xX86_64) |
ddebdfeb | 180 | AM_CONDITIONAL(SH, test x$TARGET = xSH) |
e860ed6d | 181 | AM_CONDITIONAL(SH64, test x$TARGET = xSH64) |
e6c300ef JDA |
182 | AM_CONDITIONAL(PA_LINUX, test x$TARGET = xPA_LINUX) |
183 | AM_CONDITIONAL(PA_HPUX, test x$TARGET = xPA_HPUX) | |
184 | AM_CONDITIONAL(PA64_HPUX, test x$TARGET = xPA64_HPUX) | |
63e5e3e0 AG |
185 | |
186 | AC_HEADER_STDC | |
187 | AC_CHECK_FUNCS(memcpy) | |
188 | AC_FUNC_ALLOCA | |
189 | ||
a097ef55 KC |
190 | AC_CHECK_SIZEOF(double) |
191 | AC_CHECK_SIZEOF(long double) | |
e2f2e70a | 192 | |
1450eb7a | 193 | # Also AC_SUBST this variable for ffi.h. |
bf8da5fc RH |
194 | if test -z "$HAVE_LONG_DOUBLE"; then |
195 | HAVE_LONG_DOUBLE=0 | |
196 | if test $ac_cv_sizeof_double != $ac_cv_sizeof_long_double; then | |
197 | if test $ac_cv_sizeof_long_double != 0; then | |
198 | HAVE_LONG_DOUBLE=1 | |
199 | AC_DEFINE(HAVE_LONG_DOUBLE, 1, [Define if you have the long double type and it is bigger than a double]) | |
200 | fi | |
1450eb7a AT |
201 | fi |
202 | fi | |
203 | AC_SUBST(HAVE_LONG_DOUBLE) | |
204 | ||
a097ef55 | 205 | AC_C_BIGENDIAN |
63e5e3e0 | 206 | |
e6fbf387 RZ |
207 | AC_CACHE_CHECK([assembler .cfi pseudo-op support], |
208 | libffi_cv_as_cfi_pseudo_op, [ | |
209 | libffi_cv_as_cfi_pseudo_op=unknown | |
210 | AC_TRY_COMPILE([asm (".cfi_startproc\n\t.cfi_endproc");],, | |
211 | [libffi_cv_as_cfi_pseudo_op=yes], | |
212 | [libffi_cv_as_cfi_pseudo_op=no]) | |
213 | ]) | |
214 | if test "x$libffi_cv_as_cfi_pseudo_op" = xyes; then | |
215 | AC_DEFINE(HAVE_AS_CFI_PSEUDO_OP, 1, | |
216 | [Define if your assembler supports .cfi_* directives.]) | |
217 | fi | |
218 | ||
189ab118 | 219 | if test x$TARGET = xSPARC; then |
5d84cf0b JJ |
220 | AC_CACHE_CHECK([assembler and linker support unaligned pc related relocs], |
221 | libffi_cv_as_sparc_ua_pcrel, [ | |
222 | save_CFLAGS="$CFLAGS" | |
223 | save_LDFLAGS="$LDFLAGS" | |
224 | CFLAGS="$CFLAGS -fpic" | |
225 | LDFLAGS="$LDFLAGS -shared" | |
226 | AC_TRY_LINK([asm (".text; foo: nop; .data; .align 4; .byte 0; .uaword %r_disp32(foo); .text");],, | |
227 | [libffi_cv_as_sparc_ua_pcrel=yes], | |
228 | [libffi_cv_as_sparc_ua_pcrel=no]) | |
229 | CFLAGS="$save_CFLAGS" | |
230 | LDFLAGS="$save_LDFLAGS"]) | |
231 | if test "x$libffi_cv_as_sparc_ua_pcrel" = xyes; then | |
232 | AC_DEFINE(HAVE_AS_SPARC_UA_PCREL, 1, | |
233 | [Define if your assembler and linker support unaligned PC relative relocs.]) | |
234 | fi | |
bd19c9f4 JS |
235 | |
236 | AC_CACHE_CHECK([assembler .register pseudo-op support], | |
237 | libffi_cv_as_register_pseudo_op, [ | |
238 | libffi_cv_as_register_pseudo_op=unknown | |
239 | # Check if we have .register | |
240 | AC_TRY_COMPILE([asm (".register %g2, #scratch");],, | |
3ed8e5b6 AT |
241 | [libffi_cv_as_register_pseudo_op=yes], |
242 | [libffi_cv_as_register_pseudo_op=no]) | |
bd19c9f4 JS |
243 | ]) |
244 | if test "x$libffi_cv_as_register_pseudo_op" = xyes; then | |
245 | AC_DEFINE(HAVE_AS_REGISTER_PSEUDO_OP, 1, | |
3ed8e5b6 | 246 | [Define if your assembler supports .register.]) |
bd19c9f4 | 247 | fi |
5d84cf0b JJ |
248 | fi |
249 | ||
8353cd27 | 250 | if test x$TARGET = xX86 || test x$TARGET = xX86_WIN32 || test x$TARGET = xX86_64; then |
4d3d4078 RO |
251 | AC_CACHE_CHECK([assembler supports pc related relocs], |
252 | libffi_cv_as_x86_pcrel, [ | |
253 | libffi_cv_as_x86_pcrel=yes | |
254 | echo '.text; foo: nop; .data; .long foo-.; .text' > conftest.s | |
255 | if $CC $CFLAGS -c conftest.s 2>&1 | grep -i warning > /dev/null; then | |
256 | libffi_cv_as_x86_pcrel=no | |
257 | fi | |
258 | ]) | |
259 | if test "x$libffi_cv_as_x86_pcrel" = xyes; then | |
260 | AC_DEFINE(HAVE_AS_X86_PCREL, 1, | |
261 | [Define if your assembler supports PC relative relocs.]) | |
262 | fi | |
263 | fi | |
264 | ||
a733b15e JJ |
265 | AC_CACHE_CHECK([whether .eh_frame section should be read-only], |
266 | libffi_cv_ro_eh_frame, [ | |
267 | libffi_cv_ro_eh_frame=no | |
268 | echo 'extern void foo (void); void bar (void) { foo (); foo (); }' > conftest.c | |
269 | if $CC $CFLAGS -S -fpic -fexceptions -o conftest.s conftest.c > /dev/null 2>&1; then | |
270 | if grep '.section.*eh_frame.*"a"' conftest.s > /dev/null; then | |
271 | libffi_cv_ro_eh_frame=yes | |
272 | elif grep '.section.*eh_frame.*#alloc' conftest.c \ | |
273 | | grep -v '#write' > /dev/null; then | |
274 | libffi_cv_ro_eh_frame=yes | |
275 | fi | |
276 | fi | |
277 | rm -f conftest.* | |
278 | ]) | |
279 | if test "x$libffi_cv_ro_eh_frame" = xyes; then | |
280 | AC_DEFINE(HAVE_RO_EH_FRAME, 1, | |
281 | [Define if .eh_frame sections should be read-only.]) | |
1450eb7a AT |
282 | AC_DEFINE(EH_FRAME_FLAGS, "a", |
283 | [Define to the flags needed for the .section .eh_frame directive.]) | |
284 | else | |
285 | AC_DEFINE(EH_FRAME_FLAGS, "aw", | |
286 | [Define to the flags needed for the .section .eh_frame directive.]) | |
a733b15e JJ |
287 | fi |
288 | ||
8a42356f JJ |
289 | AC_CACHE_CHECK([for __attribute__((visibility("hidden")))], |
290 | libffi_cv_hidden_visibility_attribute, [ | |
291 | echo 'int __attribute__ ((visibility ("hidden"))) foo (void) { return 1; }' > conftest.c | |
292 | libffi_cv_hidden_visibility_attribute=no | |
293 | if AC_TRY_COMMAND(${CC-cc} -Werror -S conftest.c -o conftest.s 1>&AS_MESSAGE_LOG_FD); then | |
294 | if grep '\.hidden.*foo' conftest.s >/dev/null; then | |
295 | libffi_cv_hidden_visibility_attribute=yes | |
296 | fi | |
297 | fi | |
298 | rm -f conftest.* | |
299 | ]) | |
300 | if test $libffi_cv_hidden_visibility_attribute = yes; then | |
301 | AC_DEFINE(HAVE_HIDDEN_VISIBILITY_ATTRIBUTE, 1, | |
302 | [Define if __attribute__((visibility("hidden"))) is supported.]) | |
303 | fi | |
304 | ||
305 | AH_BOTTOM([ | |
306 | #ifdef HAVE_HIDDEN_VISIBILITY_ATTRIBUTE | |
307 | #ifdef LIBFFI_ASM | |
308 | #define FFI_HIDDEN(name) .hidden name | |
309 | #else | |
310 | #define FFI_HIDDEN __attribute__ ((visibility ("hidden"))) | |
311 | #endif | |
312 | #else | |
313 | #ifdef LIBFFI_ASM | |
314 | #define FFI_HIDDEN(name) | |
315 | #else | |
316 | #define FFI_HIDDEN | |
317 | #endif | |
318 | #endif | |
319 | ]) | |
320 | ||
63e5e3e0 AG |
321 | AC_SUBST(TARGET) |
322 | AC_SUBST(TARGETDIR) | |
323 | ||
324 | AC_SUBST(SHELL) | |
325 | ||
7d45b968 JS |
326 | AC_ARG_ENABLE(debug, |
327 | [ --enable-debug debugging mode], | |
328 | if test "$enable_debug" = "yes"; then | |
1450eb7a | 329 | AC_DEFINE(FFI_DEBUG, 1, [Define this if you want extra debugging.]) |
7d45b968 JS |
330 | fi) |
331 | ||
332 | AC_ARG_ENABLE(structs, | |
333 | [ --disable-structs omit code for struct support], | |
334 | if test "$enable_structs" = "no"; then | |
1450eb7a | 335 | AC_DEFINE(FFI_NO_STRUCTS, 1, [Define this is you do not want support for aggregate types.]) |
7d45b968 JS |
336 | fi) |
337 | ||
338 | AC_ARG_ENABLE(raw-api, | |
339 | [ --disable-raw-api make the raw api unavailable], | |
340 | if test "$enable_raw_api" = "no"; then | |
1450eb7a | 341 | AC_DEFINE(FFI_NO_RAW_API, 1, [Define this is you do not want support for the raw API.]) |
7d45b968 | 342 | fi) |
63e5e3e0 AG |
343 | |
344 | AC_ARG_ENABLE(purify-safety, | |
7d45b968 JS |
345 | [ --enable-purify-safety purify-safe mode], |
346 | if test "$enable_purify_safety" = "yes"; then | |
1450eb7a | 347 | AC_DEFINE(USING_PURIFY, 1, [Define this if you are using Purify and want to suppress spurious messages.]) |
7d45b968 | 348 | fi) |
0721f64e | 349 | |
0e292c01 AO |
350 | if test -n "$with_cross_host" && |
351 | test x"$with_cross_host" != x"no"; then | |
352 | toolexecdir='$(exec_prefix)/$(target_alias)' | |
353 | toolexeclibdir='$(toolexecdir)/lib' | |
354 | else | |
355 | toolexecdir='$(libdir)/gcc-lib/$(target_alias)' | |
356 | toolexeclibdir='$(libdir)' | |
357 | fi | |
ff8b9ca8 AS |
358 | multi_os_directory=`$CC -print-multi-os-directory` |
359 | case $multi_os_directory in | |
360 | .) ;; # Avoid trailing /. | |
361 | *) toolexeclibdir=$toolexeclibdir/$multi_os_directory ;; | |
362 | esac | |
0e292c01 AO |
363 | AC_SUBST(toolexecdir) |
364 | AC_SUBST(toolexeclibdir) | |
63e5e3e0 | 365 | |
3c18f2d1 TT |
366 | if test "${multilib}" = "yes"; then |
367 | multilib_arg="--enable-multilib" | |
368 | else | |
369 | multilib_arg= | |
370 | fi | |
371 | ||
3ed8e5b6 AT |
372 | AC_CONFIG_COMMANDS(include, [test -d include || mkdir include]) |
373 | AC_CONFIG_COMMANDS(src, [ | |
3b905056 | 374 | test -d src || mkdir src |
3ed8e5b6 AT |
375 | test -d src/$TARGETDIR || mkdir src/$TARGETDIR |
376 | ], [TARGETDIR="$TARGETDIR"]) | |
377 | ||
378 | AC_CONFIG_LINKS(include/ffitarget.h:src/$TARGETDIR/ffitarget.h) | |
379 | ||
b7b857bb | 380 | AC_CONFIG_FILES(include/Makefile include/ffi.h Makefile testsuite/Makefile man/Makefile) |
1450eb7a | 381 | |
3ed8e5b6 | 382 | AC_OUTPUT |