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Commit | Line | Data |
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63e5e3e0 | 1 | dnl Process this with autoconf to create configure |
3ed8e5b6 AT |
2 | |
3 | AC_PREREQ(2.59) | |
4 | ||
5 | AC_INIT([libffi], [2.1], [http://gcc.gnu.org/bugs.html]) | |
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 | |
bd66587e | 44 | i*86-*-linux*) TARGET=X86; TARGETDIR=x86;; |
db459595 | 45 | i*86-*-solaris*) TARGET=X86; TARGETDIR=x86;; |
63e5e3e0 | 46 | i*86-*-beos*) TARGET=X86; TARGETDIR=x86;; |
98a5bb3b RM |
47 | i*86-*-freebsd* | i*86-*-kfreebsd*-gnu) TARGET=X86; TARGETDIR=x86;; |
48 | i*86-*-netbsdelf* | i*86-*-knetbsd*-gnu) TARGET=X86; TARGETDIR=x86;; | |
d6c4152a JB |
49 | i*86-*-win32*) TARGET=X86_WIN32; TARGETDIR=x86;; |
50 | i*86-*-cygwin*) TARGET=X86_WIN32; TARGETDIR=x86;; | |
51 | i*86-*-mingw*) TARGET=X86_WIN32; TARGETDIR=x86;; | |
88d8c771 | 52 | frv-*-*) TARGET=FRV; TARGETDIR=frv;; |
63e5e3e0 | 53 | sparc-sun-4*) TARGET=SPARC; TARGETDIR=sparc;; |
d7e2dd2f | 54 | sparc*-sun-*) TARGET=SPARC; TARGETDIR=sparc;; |
98a5bb3b RM |
55 | sparc-*-linux* | sparc-*-netbsdelf* | sparc-*-knetbsd*-gnu) TARGET=SPARC; TARGETDIR=sparc;; |
56 | sparc64-*-linux* | sparc64-*-netbsd* | sparc64-*-knetbsd*-gnu) TARGET=SPARC; TARGETDIR=sparc;; | |
57 | alpha*-*-linux* | alpha*-*-osf* | alpha*-*-freebsd* | alpha*-*-kfreebsd*-gnu | alpha*-*-netbsd* | alpha*-*-knetbsd*-gnu) TARGET=ALPHA; TARGETDIR=alpha;; | |
dc5de370 | 58 | ia64*-*-*) TARGET=IA64; TARGETDIR=ia64;; |
a472e9d4 | 59 | m32r*-*-linux* ) TARGET=M32R; TARGETDIR=m32r;; |
63e5e3e0 | 60 | m68k-*-linux*) TARGET=M68K; TARGETDIR=m68k;; |
5be36a8f | 61 | mips64*-*);; |
1450eb7a | 62 | mips-sgi-irix5.* | mips-sgi-irix6.*) TARGET=MIPS_IRIX; TARGETDIR=mips;; |
5be36a8f | 63 | mips*-*-linux*) TARGET=MIPS_LINUX; TARGETDIR=mips;; |
e9b84181 | 64 | powerpc*-*-linux* | powerpc-*-sysv*) TARGET=POWERPC; TARGETDIR=powerpc;; |
63e5e3e0 | 65 | powerpc-*-beos*) TARGET=POWERPC; TARGETDIR=powerpc;; |
3c017635 | 66 | powerpc-*-darwin*) TARGET=POWERPC_DARWIN; TARGETDIR=powerpc;; |
2f4006f8 DE |
67 | powerpc-*-aix*) TARGET=POWERPC_AIX; TARGETDIR=powerpc;; |
68 | rs6000-*-aix*) TARGET=POWERPC_AIX; TARGETDIR=powerpc;; | |
c5acf51f | 69 | arm*-*-linux-*) TARGET=ARM; TARGETDIR=arm;; |
98a5bb3b | 70 | arm*-*-netbsdelf* | arm*-*-knetbsd*-gnu) TARGET=ARM; TARGETDIR=arm;; |
22bcf65c | 71 | s390-*-linux-*) TARGET=S390; TARGETDIR=s390;; |
c4f17c6f | 72 | s390x-*-linux-*) TARGET=S390; TARGETDIR=s390;; |
98a5bb3b | 73 | x86_64-*-linux* | x86_64-*-freebsd* | x86_64-*-kfreebsd*-gnu) TARGET=X86_64; TARGETDIR=x86;; |
f4b2b0d6 | 74 | sh-*-linux* | sh[[34]]*-*-linux*) TARGET=SH; TARGETDIR=sh;; |
e860ed6d | 75 | sh64-*-linux* | sh5*-*-linux*) TARGET=SH64; TARGETDIR=sh64;; |
d65a810f | 76 | hppa-*-linux* | parisc-*-linux*) TARGET=PA; TARGETDIR=pa;; |
63e5e3e0 AG |
77 | esac |
78 | ||
bbf3057b AT |
79 | AC_SUBST(AM_RUNTESTFLAGS) |
80 | ||
63e5e3e0 | 81 | if test $TARGETDIR = unknown; then |
3ed8e5b6 | 82 | AC_MSG_ERROR(["libffi has not been ported to $host."]) |
63e5e3e0 AG |
83 | fi |
84 | ||
1450eb7a | 85 | AM_CONDITIONAL(MIPS_IRIX, test x$TARGET = xMIPS_IRIX) |
5be36a8f | 86 | AM_CONDITIONAL(MIPS_LINUX, test x$TARGET = xMIPS_LINUX) |
63e5e3e0 AG |
87 | AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC) |
88 | AM_CONDITIONAL(X86, test x$TARGET = xX86) | |
d6c4152a | 89 | AM_CONDITIONAL(X86_WIN32, test x$TARGET = xX86_WIN32) |
63e5e3e0 | 90 | AM_CONDITIONAL(ALPHA, test x$TARGET = xALPHA) |
dc5de370 | 91 | AM_CONDITIONAL(IA64, test x$TARGET = xIA64) |
a472e9d4 | 92 | AM_CONDITIONAL(M32R, test x$TARGET = xM32R) |
63e5e3e0 AG |
93 | AM_CONDITIONAL(M68K, test x$TARGET = xM68K) |
94 | AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC) | |
2f4006f8 | 95 | AM_CONDITIONAL(POWERPC_AIX, test x$TARGET = xPOWERPC_AIX) |
3c017635 | 96 | AM_CONDITIONAL(POWERPC_DARWIN, test x$TARGET = xPOWERPC_DARWIN) |
63e5e3e0 | 97 | AM_CONDITIONAL(ARM, test x$TARGET = xARM) |
88d8c771 | 98 | AM_CONDITIONAL(FRV, test x$TARGET = xFRV) |
22bcf65c | 99 | AM_CONDITIONAL(S390, test x$TARGET = xS390) |
c94974ca | 100 | AM_CONDITIONAL(X86_64, test x$TARGET = xX86_64) |
ddebdfeb | 101 | AM_CONDITIONAL(SH, test x$TARGET = xSH) |
e860ed6d | 102 | AM_CONDITIONAL(SH64, test x$TARGET = xSH64) |
d65a810f | 103 | AM_CONDITIONAL(PA, test x$TARGET = xPA) |
63e5e3e0 | 104 | |
1450eb7a AT |
105 | case x$TARGET in |
106 | xMIPS*) TARGET=MIPS ;; | |
107 | *) ;; | |
108 | esac | |
5be36a8f | 109 | |
63e5e3e0 AG |
110 | AC_HEADER_STDC |
111 | AC_CHECK_FUNCS(memcpy) | |
112 | AC_FUNC_ALLOCA | |
113 | ||
e2f2e70a AG |
114 | AC_COMPILE_CHECK_SIZEOF(double) |
115 | AC_COMPILE_CHECK_SIZEOF(long double) | |
116 | ||
1450eb7a AT |
117 | # Also AC_SUBST this variable for ffi.h. |
118 | HAVE_LONG_DOUBLE=0 | |
119 | if test $ac_cv_sizeof_double != $ac_cv_sizeof_long_double; then | |
120 | if test $ac_cv_sizeof_long_double != 0; then | |
121 | HAVE_LONG_DOUBLE=1 | |
122 | AC_DEFINE(HAVE_LONG_DOUBLE, 1, [Define if you have the long double type and it is bigger than a double]) | |
123 | fi | |
124 | fi | |
125 | AC_SUBST(HAVE_LONG_DOUBLE) | |
126 | ||
e2f2e70a | 127 | AC_C_BIGENDIAN_CROSS |
63e5e3e0 | 128 | |
189ab118 | 129 | if test x$TARGET = xSPARC; then |
5d84cf0b JJ |
130 | AC_CACHE_CHECK([assembler and linker support unaligned pc related relocs], |
131 | libffi_cv_as_sparc_ua_pcrel, [ | |
132 | save_CFLAGS="$CFLAGS" | |
133 | save_LDFLAGS="$LDFLAGS" | |
134 | CFLAGS="$CFLAGS -fpic" | |
135 | LDFLAGS="$LDFLAGS -shared" | |
136 | AC_TRY_LINK([asm (".text; foo: nop; .data; .align 4; .byte 0; .uaword %r_disp32(foo); .text");],, | |
137 | [libffi_cv_as_sparc_ua_pcrel=yes], | |
138 | [libffi_cv_as_sparc_ua_pcrel=no]) | |
139 | CFLAGS="$save_CFLAGS" | |
140 | LDFLAGS="$save_LDFLAGS"]) | |
141 | if test "x$libffi_cv_as_sparc_ua_pcrel" = xyes; then | |
142 | AC_DEFINE(HAVE_AS_SPARC_UA_PCREL, 1, | |
143 | [Define if your assembler and linker support unaligned PC relative relocs.]) | |
144 | fi | |
bd19c9f4 JS |
145 | |
146 | AC_CACHE_CHECK([assembler .register pseudo-op support], | |
147 | libffi_cv_as_register_pseudo_op, [ | |
148 | libffi_cv_as_register_pseudo_op=unknown | |
149 | # Check if we have .register | |
150 | AC_TRY_COMPILE([asm (".register %g2, #scratch");],, | |
3ed8e5b6 AT |
151 | [libffi_cv_as_register_pseudo_op=yes], |
152 | [libffi_cv_as_register_pseudo_op=no]) | |
bd19c9f4 JS |
153 | ]) |
154 | if test "x$libffi_cv_as_register_pseudo_op" = xyes; then | |
155 | AC_DEFINE(HAVE_AS_REGISTER_PSEUDO_OP, 1, | |
3ed8e5b6 | 156 | [Define if your assembler supports .register.]) |
bd19c9f4 | 157 | fi |
5d84cf0b JJ |
158 | fi |
159 | ||
a733b15e JJ |
160 | AC_CACHE_CHECK([whether .eh_frame section should be read-only], |
161 | libffi_cv_ro_eh_frame, [ | |
162 | libffi_cv_ro_eh_frame=no | |
163 | echo 'extern void foo (void); void bar (void) { foo (); foo (); }' > conftest.c | |
164 | if $CC $CFLAGS -S -fpic -fexceptions -o conftest.s conftest.c > /dev/null 2>&1; then | |
165 | if grep '.section.*eh_frame.*"a"' conftest.s > /dev/null; then | |
166 | libffi_cv_ro_eh_frame=yes | |
167 | elif grep '.section.*eh_frame.*#alloc' conftest.c \ | |
168 | | grep -v '#write' > /dev/null; then | |
169 | libffi_cv_ro_eh_frame=yes | |
170 | fi | |
171 | fi | |
172 | rm -f conftest.* | |
173 | ]) | |
174 | if test "x$libffi_cv_ro_eh_frame" = xyes; then | |
175 | AC_DEFINE(HAVE_RO_EH_FRAME, 1, | |
176 | [Define if .eh_frame sections should be read-only.]) | |
1450eb7a AT |
177 | AC_DEFINE(EH_FRAME_FLAGS, "a", |
178 | [Define to the flags needed for the .section .eh_frame directive.]) | |
179 | else | |
180 | AC_DEFINE(EH_FRAME_FLAGS, "aw", | |
181 | [Define to the flags needed for the .section .eh_frame directive.]) | |
a733b15e JJ |
182 | fi |
183 | ||
63e5e3e0 AG |
184 | AC_SUBST(TARGET) |
185 | AC_SUBST(TARGETDIR) | |
186 | ||
187 | AC_SUBST(SHELL) | |
188 | ||
7d45b968 JS |
189 | AC_ARG_ENABLE(debug, |
190 | [ --enable-debug debugging mode], | |
191 | if test "$enable_debug" = "yes"; then | |
1450eb7a | 192 | AC_DEFINE(FFI_DEBUG, 1, [Define this if you want extra debugging.]) |
7d45b968 JS |
193 | fi) |
194 | ||
195 | AC_ARG_ENABLE(structs, | |
196 | [ --disable-structs omit code for struct support], | |
197 | if test "$enable_structs" = "no"; then | |
1450eb7a | 198 | AC_DEFINE(FFI_NO_STRUCTS, 1, [Define this is you do not want support for aggregate types.]) |
7d45b968 JS |
199 | fi) |
200 | ||
201 | AC_ARG_ENABLE(raw-api, | |
202 | [ --disable-raw-api make the raw api unavailable], | |
203 | if test "$enable_raw_api" = "no"; then | |
1450eb7a | 204 | AC_DEFINE(FFI_NO_RAW_API, 1, [Define this is you do not want support for the raw API.]) |
7d45b968 | 205 | fi) |
63e5e3e0 AG |
206 | |
207 | AC_ARG_ENABLE(purify-safety, | |
7d45b968 JS |
208 | [ --enable-purify-safety purify-safe mode], |
209 | if test "$enable_purify_safety" = "yes"; then | |
1450eb7a | 210 | AC_DEFINE(USING_PURIFY, 1, [Define this if you are using Purify and want to suppress spurious messages.]) |
7d45b968 | 211 | fi) |
0721f64e | 212 | |
0e292c01 AO |
213 | if test -n "$with_cross_host" && |
214 | test x"$with_cross_host" != x"no"; then | |
215 | toolexecdir='$(exec_prefix)/$(target_alias)' | |
216 | toolexeclibdir='$(toolexecdir)/lib' | |
217 | else | |
218 | toolexecdir='$(libdir)/gcc-lib/$(target_alias)' | |
219 | toolexeclibdir='$(libdir)' | |
220 | fi | |
ff8b9ca8 AS |
221 | multi_os_directory=`$CC -print-multi-os-directory` |
222 | case $multi_os_directory in | |
223 | .) ;; # Avoid trailing /. | |
224 | *) toolexeclibdir=$toolexeclibdir/$multi_os_directory ;; | |
225 | esac | |
0e292c01 AO |
226 | AC_SUBST(toolexecdir) |
227 | AC_SUBST(toolexeclibdir) | |
63e5e3e0 | 228 | |
3c18f2d1 TT |
229 | if test "${multilib}" = "yes"; then |
230 | multilib_arg="--enable-multilib" | |
231 | else | |
232 | multilib_arg= | |
233 | fi | |
234 | ||
3ed8e5b6 AT |
235 | AC_CONFIG_COMMANDS(include, [test -d include || mkdir include]) |
236 | AC_CONFIG_COMMANDS(src, [ | |
3b905056 | 237 | test -d src || mkdir src |
3ed8e5b6 AT |
238 | test -d src/$TARGETDIR || mkdir src/$TARGETDIR |
239 | ], [TARGETDIR="$TARGETDIR"]) | |
240 | ||
241 | AC_CONFIG_LINKS(include/ffitarget.h:src/$TARGETDIR/ffitarget.h) | |
242 | ||
243 | AC_CONFIG_FILES(include/Makefile include/ffi.h Makefile testsuite/Makefile) | |
1450eb7a | 244 | |
3ed8e5b6 | 245 | AC_OUTPUT |