Anthony Green | c6dddbd | 2009-10-04 08:11:33 -0400 | [diff] [blame] | 1 | dnl Process this with autoconf to create configure |
| 2 | |
Anthony Green | 115ab36 | 2009-12-24 00:22:00 -0500 | [diff] [blame] | 3 | AC_PREREQ(2.63) |
Anthony Green | c6dddbd | 2009-10-04 08:11:33 -0400 | [diff] [blame] | 4 | |
Anthony Green | 1fbf9dc | 2011-02-13 08:06:39 -0500 | [diff] [blame] | 5 | AC_INIT([libffi], [3.0.10rc5], [http://sourceware.org/libffi.html]) |
Anthony Green | c6dddbd | 2009-10-04 08:11:33 -0400 | [diff] [blame] | 6 | AC_CONFIG_HEADERS([fficonfig.h]) |
| 7 | |
Anthony Green | c6dddbd | 2009-10-04 08:11:33 -0400 | [diff] [blame] | 8 | AC_CANONICAL_SYSTEM |
| 9 | target_alias=${target_alias-$host_alias} |
| 10 | |
| 11 | . ${srcdir}/configure.host |
| 12 | |
Anthony Green | 7c7c9f3 | 2011-02-12 09:29:29 -0500 | [diff] [blame] | 13 | AX_ENABLE_BUILDDIR |
| 14 | |
Anthony Green | c6dddbd | 2009-10-04 08:11:33 -0400 | [diff] [blame] | 15 | AM_INIT_AUTOMAKE |
| 16 | |
| 17 | # The same as in boehm-gc and libstdc++. Have to borrow it from there. |
| 18 | # We must force CC to /not/ be precious variables; otherwise |
| 19 | # the wrong, non-multilib-adjusted value will be used in multilibs. |
| 20 | # As a side effect, we have to subst CFLAGS ourselves. |
Anthony Green | 00d0b59 | 2010-08-05 14:56:53 -0400 | [diff] [blame] | 21 | # Also save and restore CFLAGS, since AC_PROG_CC will come up with |
| 22 | # defaults of its own if none are provided. |
Anthony Green | c6dddbd | 2009-10-04 08:11:33 -0400 | [diff] [blame] | 23 | |
| 24 | m4_rename([_AC_ARG_VAR_PRECIOUS],[real_PRECIOUS]) |
| 25 | m4_define([_AC_ARG_VAR_PRECIOUS],[]) |
Anthony Green | 00d0b59 | 2010-08-05 14:56:53 -0400 | [diff] [blame] | 26 | save_CFLAGS=$CFLAGS |
Anthony Green | c6dddbd | 2009-10-04 08:11:33 -0400 | [diff] [blame] | 27 | AC_PROG_CC |
Anthony Green | 00d0b59 | 2010-08-05 14:56:53 -0400 | [diff] [blame] | 28 | CFLAGS=$save_CFLAGS |
Anthony Green | d22de05 | 2009-12-25 02:04:23 -0500 | [diff] [blame] | 29 | m4_undefine([_AC_ARG_VAR_PRECIOUS]) |
Anthony Green | 5cbe205 | 2009-10-04 23:53:11 -0400 | [diff] [blame] | 30 | m4_rename([real_PRECIOUS],[_AC_ARG_VAR_PRECIOUS]) |
Anthony Green | c6dddbd | 2009-10-04 08:11:33 -0400 | [diff] [blame] | 31 | |
| 32 | AC_SUBST(CFLAGS) |
| 33 | |
| 34 | AM_PROG_AS |
| 35 | AM_PROG_CC_C_O |
| 36 | AC_PROG_LIBTOOL |
Anthony Green | 115ab36 | 2009-12-24 00:22:00 -0500 | [diff] [blame] | 37 | AC_CONFIG_MACRO_DIR([m4]) |
Anthony Green | c6dddbd | 2009-10-04 08:11:33 -0400 | [diff] [blame] | 38 | |
Anthony Green | 7c7c9f3 | 2011-02-12 09:29:29 -0500 | [diff] [blame] | 39 | AX_CC_MAXOPT |
Anthony Green | 24b7207 | 2011-02-14 15:30:57 -0500 | [diff] [blame^] | 40 | AX_CFLAGS_WARN_ALL |
Anthony Green | 7c7c9f3 | 2011-02-12 09:29:29 -0500 | [diff] [blame] | 41 | if test "x$GCC" = "xyes"; then |
| 42 | CFLAGS="$CFLAGS -fexceptions" |
| 43 | fi |
| 44 | |
Anthony Green | c6dddbd | 2009-10-04 08:11:33 -0400 | [diff] [blame] | 45 | AM_MAINTAINER_MODE |
| 46 | |
| 47 | AC_CHECK_HEADERS(sys/mman.h) |
| 48 | AC_CHECK_FUNCS(mmap) |
| 49 | AC_FUNC_MMAP_BLACKLIST |
| 50 | |
| 51 | dnl The -no-testsuite modules omit the test subdir. |
| 52 | AM_CONDITIONAL(TESTSUBDIR, test -d $srcdir/testsuite) |
| 53 | |
| 54 | TARGETDIR="unknown" |
| 55 | case "$host" in |
| 56 | alpha*-*-*) |
| 57 | TARGET=ALPHA; TARGETDIR=alpha; |
Anthony Green | 6309741 | 2010-05-05 20:14:56 -0400 | [diff] [blame] | 58 | # Support 128-bit long double, changeable via command-line switch. |
Anthony Green | c6dddbd | 2009-10-04 08:11:33 -0400 | [diff] [blame] | 59 | HAVE_LONG_DOUBLE='defined(__LONG_DOUBLE_128__)' |
| 60 | ;; |
| 61 | |
| 62 | arm*-*-*) |
| 63 | TARGET=ARM; TARGETDIR=arm |
| 64 | ;; |
| 65 | |
Anthony Green | 01c7875 | 2009-12-26 10:05:18 -0500 | [diff] [blame] | 66 | amd64-*-freebsd* | amd64-*-openbsd*) |
Anthony Green | c6dddbd | 2009-10-04 08:11:33 -0400 | [diff] [blame] | 67 | TARGET=X86_64; TARGETDIR=x86 |
Anthony Green | 5cbe205 | 2009-10-04 23:53:11 -0400 | [diff] [blame] | 68 | ;; |
| 69 | |
Anthony Green | c3042af | 2010-01-01 08:08:02 -0500 | [diff] [blame] | 70 | amd64-*-freebsd*) |
| 71 | TARGET=X86_64; TARGETDIR=x86 |
| 72 | ;; |
| 73 | |
Anthony Green | 115ab36 | 2009-12-24 00:22:00 -0500 | [diff] [blame] | 74 | avr32*-*-*) |
| 75 | TARGET=AVR32; TARGETDIR=avr32 |
| 76 | ;; |
| 77 | |
Anthony Green | c6dddbd | 2009-10-04 08:11:33 -0400 | [diff] [blame] | 78 | cris-*-*) |
| 79 | TARGET=LIBFFI_CRIS; TARGETDIR=cris |
| 80 | ;; |
| 81 | |
| 82 | frv-*-*) |
| 83 | TARGET=FRV; TARGETDIR=frv |
| 84 | ;; |
| 85 | |
| 86 | hppa*-*-linux* | parisc*-*-linux*) |
| 87 | TARGET=PA_LINUX; TARGETDIR=pa |
| 88 | ;; |
| 89 | hppa*64-*-hpux*) |
| 90 | TARGET=PA64_HPUX; TARGETDIR=pa |
| 91 | ;; |
| 92 | hppa*-*-hpux*) |
| 93 | TARGET=PA_HPUX; TARGETDIR=pa |
| 94 | ;; |
| 95 | |
Anthony Green | 3425a76 | 2009-10-04 23:57:29 -0400 | [diff] [blame] | 96 | i?86-*-freebsd* | i?86-*-openbsd*) |
Anthony Green | c6dddbd | 2009-10-04 08:11:33 -0400 | [diff] [blame] | 97 | TARGET=X86_FREEBSD; TARGETDIR=x86 |
| 98 | ;; |
Anthony Green | 747d6c3 | 2011-02-09 14:56:23 -0500 | [diff] [blame] | 99 | i?86-win32* | i?86-*-cygwin* | i?86-*-mingw* | i?86-*-os2* | i?86-*-interix*) |
Anthony Green | c6dddbd | 2009-10-04 08:11:33 -0400 | [diff] [blame] | 100 | TARGET=X86_WIN32; TARGETDIR=x86 |
Anthony Green | 0e58439 | 2011-02-08 07:52:40 -0500 | [diff] [blame] | 101 | # All mingw/cygwin/win32 builds require -no-undefined for sharedlib. |
| 102 | # We must also check with_cross_host to decide if this is a native |
| 103 | # or cross-build and select where to install dlls appropriately. |
| 104 | if test -n "$with_cross_host" && |
| 105 | test x"$with_cross_host" != x"no"; then |
| 106 | AM_LTLDFLAGS='-no-undefined -bindir "$(toolexeclibdir)"'; |
| 107 | else |
| 108 | AM_LTLDFLAGS='-no-undefined -bindir "$(bindir)"'; |
| 109 | fi |
Anthony Green | c6dddbd | 2009-10-04 08:11:33 -0400 | [diff] [blame] | 110 | ;; |
| 111 | i?86-*-darwin*) |
| 112 | TARGET=X86_DARWIN; TARGETDIR=x86 |
| 113 | ;; |
| 114 | i?86-*-solaris2.1[[0-9]]*) |
| 115 | TARGET=X86_64; TARGETDIR=x86 |
| 116 | ;; |
| 117 | i?86-*-*) |
| 118 | TARGET=X86; TARGETDIR=x86 |
| 119 | ;; |
| 120 | |
| 121 | ia64*-*-*) |
| 122 | TARGET=IA64; TARGETDIR=ia64 |
| 123 | ;; |
| 124 | |
| 125 | m32r*-*-*) |
| 126 | TARGET=M32R; TARGETDIR=m32r |
| 127 | ;; |
| 128 | |
| 129 | m68k-*-*) |
| 130 | TARGET=M68K; TARGETDIR=m68k |
| 131 | ;; |
| 132 | |
Anthony Green | 3b83624 | 2011-02-08 14:28:59 -0500 | [diff] [blame] | 133 | mips-sgi-irix5.* | mips-sgi-irix6.* | mips*-*-rtems*) |
Anthony Green | c6dddbd | 2009-10-04 08:11:33 -0400 | [diff] [blame] | 134 | TARGET=MIPS; TARGETDIR=mips |
| 135 | ;; |
| 136 | mips*-*-linux*) |
Anthony Green | 14e2e92 | 2009-12-27 21:03:33 -0500 | [diff] [blame] | 137 | # Support 128-bit long double for NewABI. |
| 138 | HAVE_LONG_DOUBLE='defined(__mips64)' |
Anthony Green | c6dddbd | 2009-10-04 08:11:33 -0400 | [diff] [blame] | 139 | TARGET=MIPS; TARGETDIR=mips |
| 140 | ;; |
| 141 | |
Anthony Green | c6dddbd | 2009-10-04 08:11:33 -0400 | [diff] [blame] | 142 | powerpc*-*-linux* | powerpc-*-sysv*) |
| 143 | TARGET=POWERPC; TARGETDIR=powerpc |
| 144 | ;; |
| 145 | powerpc-*-beos*) |
| 146 | TARGET=POWERPC; TARGETDIR=powerpc |
| 147 | ;; |
Anthony Green | a6e56b9 | 2011-02-09 15:00:42 -0500 | [diff] [blame] | 148 | powerpc-*-darwin* | powerpc64-*-darwin*) |
Anthony Green | c6dddbd | 2009-10-04 08:11:33 -0400 | [diff] [blame] | 149 | TARGET=POWERPC_DARWIN; TARGETDIR=powerpc |
| 150 | ;; |
| 151 | powerpc-*-aix* | rs6000-*-aix*) |
| 152 | TARGET=POWERPC_AIX; TARGETDIR=powerpc |
| 153 | ;; |
| 154 | powerpc-*-freebsd*) |
| 155 | TARGET=POWERPC_FREEBSD; TARGETDIR=powerpc |
| 156 | ;; |
Anthony Green | a6e56b9 | 2011-02-09 15:00:42 -0500 | [diff] [blame] | 157 | powerpc64-*-freebsd*) |
Anthony Green | 2db7261 | 2010-11-21 10:50:56 -0500 | [diff] [blame] | 158 | TARGET=POWERPC; TARGETDIR=powerpc |
| 159 | ;; |
Anthony Green | c6dddbd | 2009-10-04 08:11:33 -0400 | [diff] [blame] | 160 | powerpc*-*-rtems*) |
| 161 | TARGET=POWERPC; TARGETDIR=powerpc |
| 162 | ;; |
| 163 | |
| 164 | s390-*-* | s390x-*-*) |
| 165 | TARGET=S390; TARGETDIR=s390 |
| 166 | ;; |
| 167 | |
| 168 | sh-*-* | sh[[34]]*-*-*) |
| 169 | TARGET=SH; TARGETDIR=sh |
| 170 | ;; |
| 171 | sh64-*-* | sh5*-*-*) |
| 172 | TARGET=SH64; TARGETDIR=sh64 |
| 173 | ;; |
| 174 | |
| 175 | sparc*-*-*) |
| 176 | TARGET=SPARC; TARGETDIR=sparc |
| 177 | ;; |
| 178 | |
| 179 | x86_64-*-darwin*) |
| 180 | TARGET=X86_DARWIN; TARGETDIR=x86 |
| 181 | ;; |
| 182 | |
| 183 | x86_64-*-cygwin* | x86_64-*-mingw*) |
| 184 | TARGET=X86_WIN64; TARGETDIR=x86 |
| 185 | ;; |
| 186 | |
| 187 | x86_64-*-*) |
| 188 | TARGET=X86_64; TARGETDIR=x86 |
| 189 | ;; |
| 190 | esac |
| 191 | |
| 192 | AC_SUBST(AM_RUNTESTFLAGS) |
Anthony Green | 1fe3dc7 | 2009-12-25 01:39:00 -0500 | [diff] [blame] | 193 | AC_SUBST(AM_LTLDFLAGS) |
Anthony Green | c6dddbd | 2009-10-04 08:11:33 -0400 | [diff] [blame] | 194 | |
| 195 | if test $TARGETDIR = unknown; then |
| 196 | AC_MSG_ERROR(["libffi has not been ported to $host."]) |
| 197 | fi |
| 198 | |
| 199 | AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS) |
| 200 | AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC) |
| 201 | AM_CONDITIONAL(X86, test x$TARGET = xX86) |
| 202 | AM_CONDITIONAL(X86_FREEBSD, test x$TARGET = xX86_FREEBSD) |
| 203 | AM_CONDITIONAL(X86_WIN32, test x$TARGET = xX86_WIN32) |
| 204 | AM_CONDITIONAL(X86_WIN64, test x$TARGET = xX86_WIN64) |
| 205 | AM_CONDITIONAL(X86_DARWIN, test x$TARGET = xX86_DARWIN) |
| 206 | AM_CONDITIONAL(ALPHA, test x$TARGET = xALPHA) |
| 207 | AM_CONDITIONAL(IA64, test x$TARGET = xIA64) |
| 208 | AM_CONDITIONAL(M32R, test x$TARGET = xM32R) |
| 209 | AM_CONDITIONAL(M68K, test x$TARGET = xM68K) |
Anthony Green | 3f5b137 | 2010-07-12 14:39:18 -0400 | [diff] [blame] | 210 | AM_CONDITIONAL(MOXIE, test x$TARGET = xMOXIE) |
Anthony Green | c6dddbd | 2009-10-04 08:11:33 -0400 | [diff] [blame] | 211 | AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC) |
| 212 | AM_CONDITIONAL(POWERPC_AIX, test x$TARGET = xPOWERPC_AIX) |
| 213 | AM_CONDITIONAL(POWERPC_DARWIN, test x$TARGET = xPOWERPC_DARWIN) |
| 214 | AM_CONDITIONAL(POWERPC_FREEBSD, test x$TARGET = xPOWERPC_FREEBSD) |
| 215 | AM_CONDITIONAL(ARM, test x$TARGET = xARM) |
Anthony Green | 2340e7a | 2009-10-04 23:53:17 -0400 | [diff] [blame] | 216 | AM_CONDITIONAL(AVR32, test x$TARGET = xAVR32) |
Anthony Green | c6dddbd | 2009-10-04 08:11:33 -0400 | [diff] [blame] | 217 | AM_CONDITIONAL(LIBFFI_CRIS, test x$TARGET = xLIBFFI_CRIS) |
| 218 | AM_CONDITIONAL(FRV, test x$TARGET = xFRV) |
| 219 | AM_CONDITIONAL(S390, test x$TARGET = xS390) |
| 220 | AM_CONDITIONAL(X86_64, test x$TARGET = xX86_64) |
| 221 | AM_CONDITIONAL(SH, test x$TARGET = xSH) |
| 222 | AM_CONDITIONAL(SH64, test x$TARGET = xSH64) |
| 223 | AM_CONDITIONAL(PA_LINUX, test x$TARGET = xPA_LINUX) |
| 224 | AM_CONDITIONAL(PA_HPUX, test x$TARGET = xPA_HPUX) |
| 225 | AM_CONDITIONAL(PA64_HPUX, test x$TARGET = xPA64_HPUX) |
| 226 | |
| 227 | AC_HEADER_STDC |
| 228 | AC_CHECK_FUNCS(memcpy) |
| 229 | AC_FUNC_ALLOCA |
| 230 | |
| 231 | AC_CHECK_SIZEOF(double) |
| 232 | AC_CHECK_SIZEOF(long double) |
| 233 | |
| 234 | # Also AC_SUBST this variable for ffi.h. |
| 235 | if test -z "$HAVE_LONG_DOUBLE"; then |
| 236 | HAVE_LONG_DOUBLE=0 |
| 237 | if test $ac_cv_sizeof_double != $ac_cv_sizeof_long_double; then |
| 238 | if test $ac_cv_sizeof_long_double != 0; then |
| 239 | HAVE_LONG_DOUBLE=1 |
| 240 | AC_DEFINE(HAVE_LONG_DOUBLE, 1, [Define if you have the long double type and it is bigger than a double]) |
| 241 | fi |
| 242 | fi |
| 243 | fi |
| 244 | AC_SUBST(HAVE_LONG_DOUBLE) |
| 245 | |
| 246 | AC_C_BIGENDIAN |
| 247 | |
| 248 | AC_CACHE_CHECK([assembler .cfi pseudo-op support], |
| 249 | libffi_cv_as_cfi_pseudo_op, [ |
| 250 | libffi_cv_as_cfi_pseudo_op=unknown |
| 251 | AC_TRY_COMPILE([asm (".cfi_startproc\n\t.cfi_endproc");],, |
| 252 | [libffi_cv_as_cfi_pseudo_op=yes], |
| 253 | [libffi_cv_as_cfi_pseudo_op=no]) |
| 254 | ]) |
| 255 | if test "x$libffi_cv_as_cfi_pseudo_op" = xyes; then |
| 256 | AC_DEFINE(HAVE_AS_CFI_PSEUDO_OP, 1, |
| 257 | [Define if your assembler supports .cfi_* directives.]) |
| 258 | fi |
| 259 | |
| 260 | if test x$TARGET = xSPARC; then |
| 261 | AC_CACHE_CHECK([assembler and linker support unaligned pc related relocs], |
| 262 | libffi_cv_as_sparc_ua_pcrel, [ |
| 263 | save_CFLAGS="$CFLAGS" |
| 264 | save_LDFLAGS="$LDFLAGS" |
| 265 | CFLAGS="$CFLAGS -fpic" |
| 266 | LDFLAGS="$LDFLAGS -shared" |
| 267 | AC_TRY_LINK([asm (".text; foo: nop; .data; .align 4; .byte 0; .uaword %r_disp32(foo); .text");],, |
| 268 | [libffi_cv_as_sparc_ua_pcrel=yes], |
| 269 | [libffi_cv_as_sparc_ua_pcrel=no]) |
| 270 | CFLAGS="$save_CFLAGS" |
| 271 | LDFLAGS="$save_LDFLAGS"]) |
| 272 | if test "x$libffi_cv_as_sparc_ua_pcrel" = xyes; then |
| 273 | AC_DEFINE(HAVE_AS_SPARC_UA_PCREL, 1, |
| 274 | [Define if your assembler and linker support unaligned PC relative relocs.]) |
| 275 | fi |
| 276 | |
| 277 | AC_CACHE_CHECK([assembler .register pseudo-op support], |
| 278 | libffi_cv_as_register_pseudo_op, [ |
| 279 | libffi_cv_as_register_pseudo_op=unknown |
| 280 | # Check if we have .register |
| 281 | AC_TRY_COMPILE([asm (".register %g2, #scratch");],, |
| 282 | [libffi_cv_as_register_pseudo_op=yes], |
| 283 | [libffi_cv_as_register_pseudo_op=no]) |
| 284 | ]) |
| 285 | if test "x$libffi_cv_as_register_pseudo_op" = xyes; then |
| 286 | AC_DEFINE(HAVE_AS_REGISTER_PSEUDO_OP, 1, |
| 287 | [Define if your assembler supports .register.]) |
| 288 | fi |
| 289 | fi |
| 290 | |
| 291 | if test x$TARGET = xX86 || test x$TARGET = xX86_WIN32 || test x$TARGET = xX86_64; then |
| 292 | AC_CACHE_CHECK([assembler supports pc related relocs], |
| 293 | libffi_cv_as_x86_pcrel, [ |
Anthony Green | ed2c518 | 2011-02-08 10:10:07 -0500 | [diff] [blame] | 294 | libffi_cv_as_x86_pcrel=no |
Anthony Green | c6dddbd | 2009-10-04 08:11:33 -0400 | [diff] [blame] | 295 | echo '.text; foo: nop; .data; .long foo-.; .text' > conftest.s |
Anthony Green | ed2c518 | 2011-02-08 10:10:07 -0500 | [diff] [blame] | 296 | if $CC $CFLAGS -c conftest.s > /dev/null; then |
| 297 | libffi_cv_as_x86_pcrel=yes |
Anthony Green | c6dddbd | 2009-10-04 08:11:33 -0400 | [diff] [blame] | 298 | fi |
| 299 | ]) |
| 300 | if test "x$libffi_cv_as_x86_pcrel" = xyes; then |
| 301 | AC_DEFINE(HAVE_AS_X86_PCREL, 1, |
| 302 | [Define if your assembler supports PC relative relocs.]) |
| 303 | fi |
Anthony Green | 3f5b137 | 2010-07-12 14:39:18 -0400 | [diff] [blame] | 304 | |
| 305 | AC_CACHE_CHECK([assembler .ascii pseudo-op support], |
| 306 | libffi_cv_as_ascii_pseudo_op, [ |
| 307 | libffi_cv_as_ascii_pseudo_op=unknown |
| 308 | # Check if we have .ascii |
Anthony Green | 0e58439 | 2011-02-08 07:52:40 -0500 | [diff] [blame] | 309 | AC_TRY_COMPILE([asm (".ascii \\"string\\"");],, |
Anthony Green | 3f5b137 | 2010-07-12 14:39:18 -0400 | [diff] [blame] | 310 | [libffi_cv_as_ascii_pseudo_op=yes], |
| 311 | [libffi_cv_as_ascii_pseudo_op=no]) |
| 312 | ]) |
| 313 | if test "x$libffi_cv_as_ascii_pseudo_op" = xyes; then |
| 314 | AC_DEFINE(HAVE_AS_ASCII_PSEUDO_OP, 1, |
| 315 | [Define if your assembler supports .ascii.]) |
| 316 | fi |
| 317 | |
| 318 | AC_CACHE_CHECK([assembler .string pseudo-op support], |
| 319 | libffi_cv_as_string_pseudo_op, [ |
| 320 | libffi_cv_as_string_pseudo_op=unknown |
| 321 | # Check if we have .string |
Anthony Green | 0e58439 | 2011-02-08 07:52:40 -0500 | [diff] [blame] | 322 | AC_TRY_COMPILE([asm (".string \\"string\\"");],, |
Anthony Green | 3f5b137 | 2010-07-12 14:39:18 -0400 | [diff] [blame] | 323 | [libffi_cv_as_string_pseudo_op=yes], |
| 324 | [libffi_cv_as_string_pseudo_op=no]) |
| 325 | ]) |
| 326 | if test "x$libffi_cv_as_string_pseudo_op" = xyes; then |
| 327 | AC_DEFINE(HAVE_AS_STRING_PSEUDO_OP, 1, |
| 328 | [Define if your assembler supports .string.]) |
| 329 | fi |
Anthony Green | c6dddbd | 2009-10-04 08:11:33 -0400 | [diff] [blame] | 330 | fi |
| 331 | |
Anthony Green | 5b9cd52 | 2010-11-22 15:19:57 -0500 | [diff] [blame] | 332 | if test x$TARGET = xX86_WIN64; then |
| 333 | LT_SYS_SYMBOL_USCORE |
| 334 | if test "x$sys_symbol_underscore" = xyes; then |
| 335 | AC_DEFINE(SYMBOL_UNDERSCORE, 1, [Define if symbols are underscored.]) |
| 336 | fi |
| 337 | fi |
| 338 | |
Anthony Green | 1106229 | 2011-02-08 19:20:09 -0500 | [diff] [blame] | 339 | |
Landon Fuller | 19afda0 | 2010-09-19 14:20:52 -0700 | [diff] [blame] | 340 | FFI_EXEC_TRAMPOLINE_TABLE=0 |
Anthony Green | e4a91de | 2009-10-05 00:16:17 -0400 | [diff] [blame] | 341 | case "$target" in |
Landon Fuller | 1ac92cc | 2010-09-18 18:08:14 -0700 | [diff] [blame] | 342 | *arm*-apple-darwin*) |
Landon Fuller | c71480e | 2010-09-19 09:02:05 -0700 | [diff] [blame] | 343 | FFI_EXEC_TRAMPOLINE_TABLE=1 |
Landon Fuller | 1ac92cc | 2010-09-18 18:08:14 -0700 | [diff] [blame] | 344 | AC_DEFINE(FFI_EXEC_TRAMPOLINE_TABLE, 1, |
| 345 | [Cannot use PROT_EXEC on this target, so, we revert to |
| 346 | alternative means]) |
| 347 | ;; |
Anthony Green | 0cfe60e | 2009-12-29 10:06:04 -0500 | [diff] [blame] | 348 | *-apple-darwin10* | *-*-freebsd* | *-*-openbsd* | *-pc-solaris*) |
| 349 | AC_DEFINE(FFI_MMAP_EXEC_WRIT, 1, |
| 350 | [Cannot use malloc on this target, so, we revert to |
| 351 | alternative means]) |
| 352 | ;; |
| 353 | esac |
Landon Fuller | c71480e | 2010-09-19 09:02:05 -0700 | [diff] [blame] | 354 | AM_CONDITIONAL(FFI_EXEC_TRAMPOLINE_TABLE, test x$FFI_EXEC_TRAMPOLINE_TABLE = x1) |
Landon Fuller | 19afda0 | 2010-09-19 14:20:52 -0700 | [diff] [blame] | 355 | AC_SUBST(FFI_EXEC_TRAMPOLINE_TABLE) |
Anthony Green | e4a91de | 2009-10-05 00:16:17 -0400 | [diff] [blame] | 356 | |
Anthony Green | 3f5b137 | 2010-07-12 14:39:18 -0400 | [diff] [blame] | 357 | if test x$TARGET = xX86_64; then |
| 358 | AC_CACHE_CHECK([assembler supports unwind section type], |
| 359 | libffi_cv_as_x86_64_unwind_section_type, [ |
| 360 | libffi_cv_as_x86_64_unwind_section_type=yes |
| 361 | echo '.section .eh_frame,"a",@unwind' > conftest.s |
| 362 | if $CC $CFLAGS -c conftest.s 2>&1 | grep -i warning > /dev/null; then |
| 363 | libffi_cv_as_x86_64_unwind_section_type=no |
| 364 | fi |
| 365 | ]) |
| 366 | if test "x$libffi_cv_as_x86_64_unwind_section_type" = xyes; then |
| 367 | AC_DEFINE(HAVE_AS_X86_64_UNWIND_SECTION_TYPE, 1, |
| 368 | [Define if your assembler supports unwind section type.]) |
| 369 | fi |
| 370 | fi |
| 371 | |
Anthony Green | c6dddbd | 2009-10-04 08:11:33 -0400 | [diff] [blame] | 372 | AC_CACHE_CHECK([whether .eh_frame section should be read-only], |
| 373 | libffi_cv_ro_eh_frame, [ |
| 374 | libffi_cv_ro_eh_frame=no |
| 375 | echo 'extern void foo (void); void bar (void) { foo (); foo (); }' > conftest.c |
| 376 | if $CC $CFLAGS -S -fpic -fexceptions -o conftest.s conftest.c > /dev/null 2>&1; then |
| 377 | if grep '.section.*eh_frame.*"a"' conftest.s > /dev/null; then |
| 378 | libffi_cv_ro_eh_frame=yes |
| 379 | elif grep '.section.*eh_frame.*#alloc' conftest.c \ |
| 380 | | grep -v '#write' > /dev/null; then |
| 381 | libffi_cv_ro_eh_frame=yes |
| 382 | fi |
| 383 | fi |
| 384 | rm -f conftest.* |
| 385 | ]) |
| 386 | if test "x$libffi_cv_ro_eh_frame" = xyes; then |
| 387 | AC_DEFINE(HAVE_RO_EH_FRAME, 1, |
| 388 | [Define if .eh_frame sections should be read-only.]) |
| 389 | AC_DEFINE(EH_FRAME_FLAGS, "a", |
| 390 | [Define to the flags needed for the .section .eh_frame directive.]) |
| 391 | else |
| 392 | AC_DEFINE(EH_FRAME_FLAGS, "aw", |
| 393 | [Define to the flags needed for the .section .eh_frame directive.]) |
| 394 | fi |
| 395 | |
| 396 | AC_CACHE_CHECK([for __attribute__((visibility("hidden")))], |
| 397 | libffi_cv_hidden_visibility_attribute, [ |
| 398 | echo 'int __attribute__ ((visibility ("hidden"))) foo (void) { return 1; }' > conftest.c |
| 399 | libffi_cv_hidden_visibility_attribute=no |
| 400 | if AC_TRY_COMMAND(${CC-cc} -Werror -S conftest.c -o conftest.s 1>&AS_MESSAGE_LOG_FD); then |
| 401 | if grep '\.hidden.*foo' conftest.s >/dev/null; then |
| 402 | libffi_cv_hidden_visibility_attribute=yes |
| 403 | fi |
| 404 | fi |
| 405 | rm -f conftest.* |
| 406 | ]) |
| 407 | if test $libffi_cv_hidden_visibility_attribute = yes; then |
| 408 | AC_DEFINE(HAVE_HIDDEN_VISIBILITY_ATTRIBUTE, 1, |
| 409 | [Define if __attribute__((visibility("hidden"))) is supported.]) |
| 410 | fi |
| 411 | |
| 412 | AH_BOTTOM([ |
| 413 | #ifdef HAVE_HIDDEN_VISIBILITY_ATTRIBUTE |
| 414 | #ifdef LIBFFI_ASM |
| 415 | #define FFI_HIDDEN(name) .hidden name |
| 416 | #else |
| 417 | #define FFI_HIDDEN __attribute__ ((visibility ("hidden"))) |
| 418 | #endif |
| 419 | #else |
| 420 | #ifdef LIBFFI_ASM |
| 421 | #define FFI_HIDDEN(name) |
| 422 | #else |
| 423 | #define FFI_HIDDEN |
| 424 | #endif |
| 425 | #endif |
| 426 | ]) |
| 427 | |
| 428 | AC_SUBST(TARGET) |
| 429 | AC_SUBST(TARGETDIR) |
| 430 | |
| 431 | AC_SUBST(SHELL) |
| 432 | |
| 433 | AC_ARG_ENABLE(debug, |
| 434 | [ --enable-debug debugging mode], |
| 435 | if test "$enable_debug" = "yes"; then |
| 436 | AC_DEFINE(FFI_DEBUG, 1, [Define this if you want extra debugging.]) |
| 437 | fi) |
Anthony Green | 00d0b59 | 2010-08-05 14:56:53 -0400 | [diff] [blame] | 438 | AM_CONDITIONAL(FFI_DEBUG, test "$enable_debug" = "yes") |
Anthony Green | c6dddbd | 2009-10-04 08:11:33 -0400 | [diff] [blame] | 439 | |
| 440 | AC_ARG_ENABLE(structs, |
| 441 | [ --disable-structs omit code for struct support], |
| 442 | if test "$enable_structs" = "no"; then |
| 443 | AC_DEFINE(FFI_NO_STRUCTS, 1, [Define this is you do not want support for aggregate types.]) |
| 444 | fi) |
| 445 | |
| 446 | AC_ARG_ENABLE(raw-api, |
| 447 | [ --disable-raw-api make the raw api unavailable], |
| 448 | if test "$enable_raw_api" = "no"; then |
| 449 | AC_DEFINE(FFI_NO_RAW_API, 1, [Define this is you do not want support for the raw API.]) |
| 450 | fi) |
| 451 | |
| 452 | AC_ARG_ENABLE(purify-safety, |
| 453 | [ --enable-purify-safety purify-safe mode], |
| 454 | if test "$enable_purify_safety" = "yes"; then |
| 455 | AC_DEFINE(USING_PURIFY, 1, [Define this if you are using Purify and want to suppress spurious messages.]) |
| 456 | fi) |
| 457 | |
| 458 | if test -n "$with_cross_host" && |
| 459 | test x"$with_cross_host" != x"no"; then |
| 460 | toolexecdir='$(exec_prefix)/$(target_alias)' |
| 461 | toolexeclibdir='$(toolexecdir)/lib' |
| 462 | else |
| 463 | toolexecdir='$(libdir)/gcc-lib/$(target_alias)' |
| 464 | toolexeclibdir='$(libdir)' |
| 465 | fi |
| 466 | multi_os_directory=`$CC -print-multi-os-directory` |
| 467 | case $multi_os_directory in |
| 468 | .) ;; # Avoid trailing /. |
| 469 | *) toolexeclibdir=$toolexeclibdir/$multi_os_directory ;; |
| 470 | esac |
| 471 | AC_SUBST(toolexecdir) |
| 472 | AC_SUBST(toolexeclibdir) |
| 473 | |
| 474 | if test "${multilib}" = "yes"; then |
| 475 | multilib_arg="--enable-multilib" |
| 476 | else |
| 477 | multilib_arg= |
| 478 | fi |
| 479 | |
| 480 | AC_CONFIG_COMMANDS(include, [test -d include || mkdir include]) |
| 481 | AC_CONFIG_COMMANDS(src, [ |
| 482 | test -d src || mkdir src |
| 483 | test -d src/$TARGETDIR || mkdir src/$TARGETDIR |
| 484 | ], [TARGETDIR="$TARGETDIR"]) |
| 485 | |
| 486 | AC_CONFIG_LINKS(include/ffitarget.h:src/$TARGETDIR/ffitarget.h) |
| 487 | |
Anthony Green | 5cbe205 | 2009-10-04 23:53:11 -0400 | [diff] [blame] | 488 | AC_CONFIG_FILES(include/Makefile include/ffi.h Makefile testsuite/Makefile man/Makefile libffi.pc) |
Anthony Green | c6dddbd | 2009-10-04 08:11:33 -0400 | [diff] [blame] | 489 | |
| 490 | AC_OUTPUT |