1dnl Process this with autoconf to create configure 2# 3# file from libffi - slightly patched for Python's ctypes 4# 5 6AC_PREREQ(2.68) 7 8AC_INIT([libffi], [3.1], [http://github.com/atgreen/libffi/issues]) 9AC_CONFIG_HEADERS([fficonfig.h]) 10 11AC_CANONICAL_SYSTEM 12target_alias=${target_alias-$host_alias} 13 14case "${host}" in 15 frv*-elf) 16 LDFLAGS=`echo $LDFLAGS | sed "s/\-B[^ ]*libgloss\/frv\///"`\ -B`pwd`/../libgloss/frv/ 17 ;; 18esac 19 20AX_ENABLE_BUILDDIR 21 22AM_INIT_AUTOMAKE 23 24# The same as in boehm-gc and libstdc++. Have to borrow it from there. 25# We must force CC to /not/ be precious variables; otherwise 26# the wrong, non-multilib-adjusted value will be used in multilibs. 27# As a side effect, we have to subst CFLAGS ourselves. 28# Also save and restore CFLAGS, since AC_PROG_CC will come up with 29# defaults of its own if none are provided. 30 31m4_rename([_AC_ARG_VAR_PRECIOUS],[real_PRECIOUS]) 32m4_define([_AC_ARG_VAR_PRECIOUS],[]) 33save_CFLAGS=$CFLAGS 34AC_PROG_CC 35AC_PROG_CXX 36CFLAGS=$save_CFLAGS 37m4_undefine([_AC_ARG_VAR_PRECIOUS]) 38m4_rename_force([real_PRECIOUS],[_AC_ARG_VAR_PRECIOUS]) 39 40AC_SUBST(CFLAGS) 41 42AM_PROG_AS 43AM_PROG_CC_C_O 44AC_PROG_LIBTOOL 45AC_CONFIG_MACRO_DIR([m4]) 46 47# Test for 64-bit build. 48AC_CHECK_SIZEOF([size_t]) 49 50AX_COMPILER_VENDOR 51AX_CC_MAXOPT 52# The AX_CFLAGS_WARN_ALL macro doesn't currently work for sunpro 53# compiler. 54if test "$ax_cv_c_compiler_vendor" != "sun"; then 55 AX_CFLAGS_WARN_ALL 56fi 57 58if test "x$GCC" = "xyes"; then 59 CFLAGS="$CFLAGS -fexceptions" 60fi 61 62cat > local.exp <<EOF 63set CC_FOR_TARGET "$CC" 64set CXX_FOR_TARGET "$CXX" 65EOF 66 67AM_MAINTAINER_MODE 68 69AC_CHECK_HEADERS(sys/mman.h) 70AC_CHECK_FUNCS(mmap) 71AC_FUNC_MMAP_BLACKLIST 72 73dnl The -no-testsuite modules omit the test subdir. 74AM_CONDITIONAL(TESTSUBDIR, test -d $srcdir/testsuite) 75 76TARGETDIR="unknown" 77HAVE_LONG_DOUBLE_VARIANT=0 78case "$host" in 79 aarch64*-*-*) 80 TARGET=AARCH64; TARGETDIR=aarch64 81 ;; 82 83 alpha*-*-*) 84 TARGET=ALPHA; TARGETDIR=alpha; 85 # Support 128-bit long double, changeable via command-line switch. 86 HAVE_LONG_DOUBLE='defined(__LONG_DOUBLE_128__)' 87 ;; 88 89 arc*-*-*) 90 TARGET=ARC; TARGETDIR=arc 91 ;; 92 93 arm*-*-*) 94 TARGET=ARM; TARGETDIR=arm 95 ;; 96 97 amd64-*-freebsd* | amd64-*-openbsd*) 98 TARGET=X86_64; TARGETDIR=x86 99 ;; 100 101 amd64-*-freebsd*) 102 TARGET=X86_64; TARGETDIR=x86 103 ;; 104 105 amd64-*-freebsd*) 106 TARGET=X86_64; TARGETDIR=x86 107 ;; 108 109 avr32*-*-*) 110 TARGET=AVR32; TARGETDIR=avr32 111 ;; 112 113 bfin*) 114 TARGET=BFIN; TARGETDIR=bfin 115 ;; 116 117 cris-*-*) 118 TARGET=LIBFFI_CRIS; TARGETDIR=cris 119 ;; 120 121 frv-*-*) 122 TARGET=FRV; TARGETDIR=frv 123 ;; 124 125 hppa*-*-linux* | parisc*-*-linux* | hppa*-*-openbsd*) 126 TARGET=PA_LINUX; TARGETDIR=pa 127 ;; 128 hppa*64-*-hpux*) 129 TARGET=PA64_HPUX; TARGETDIR=pa 130 ;; 131 hppa*-*-hpux*) 132 TARGET=PA_HPUX; TARGETDIR=pa 133 ;; 134 135 i?86-*-freebsd* | i?86-*-openbsd*) 136 TARGET=X86_FREEBSD; TARGETDIR=x86 137 ;; 138 i?86-win32* | i?86-*-cygwin* | i?86-*-mingw* | i?86-*-os2* | i?86-*-interix*) 139 TARGET=X86_WIN32; TARGETDIR=x86 140 # All mingw/cygwin/win32 builds require -no-undefined for sharedlib. 141 # We must also check with_cross_host to decide if this is a native 142 # or cross-build and select where to install dlls appropriately. 143 if test -n "$with_cross_host" && 144 test x"$with_cross_host" != x"no"; then 145 AM_LTLDFLAGS='-no-undefined -bindir "$(toolexeclibdir)"'; 146 else 147 AM_LTLDFLAGS='-no-undefined -bindir "$(bindir)"'; 148 fi 149 ;; 150 i*86-*-nto-qnx*) 151 TARGET=X86; TARGETDIR=x86 152 ;; 153 i?86-*-darwin*) 154 TARGET=X86_DARWIN; TARGETDIR=x86 155 ;; 156 i?86-*-solaris2.1[[0-9]]*) 157 TARGETDIR=x86 158 if test $ac_cv_sizeof_size_t = 4; then 159 TARGET=X86; 160 else 161 TARGET=X86_64; 162 fi 163 ;; 164 165 x86_64-*-darwin*) 166 TARGET=X86_DARWIN; TARGETDIR=x86 167 ;; 168 169 x86_64-*-cygwin* | x86_64-*-mingw*) 170 TARGET=X86_WIN64; TARGETDIR=x86 171 # All mingw/cygwin/win32 builds require -no-undefined for sharedlib. 172 # We must also check with_cross_host to decide if this is a native 173 # or cross-build and select where to install dlls appropriately. 174 if test -n "$with_cross_host" && 175 test x"$with_cross_host" != x"no"; then 176 AM_LTLDFLAGS='-no-undefined -bindir "$(toolexeclibdir)"'; 177 else 178 AM_LTLDFLAGS='-no-undefined -bindir "$(bindir)"'; 179 fi 180 ;; 181 182 i?86-*-* | x86_64-*-*) 183 TARGETDIR=x86 184 if test $ac_cv_sizeof_size_t = 4; then 185 case "$host" in 186 *-gnux32) 187 TARGET=X86_64 188 ;; 189 *) 190 TARGET=X86 191 ;; 192 esac 193 else 194 TARGET=X86_64; 195 fi 196 ;; 197 198 ia64*-*-*) 199 TARGET=IA64; TARGETDIR=ia64 200 ;; 201 202 m32r*-*-*) 203 TARGET=M32R; TARGETDIR=m32r 204 ;; 205 206 m68k-*-*) 207 TARGET=M68K; TARGETDIR=m68k 208 ;; 209 210 m88k-*-*) 211 TARGET=M88K; TARGETDIR=m88k 212 ;; 213 214 microblaze*-*-*) 215 TARGET=MICROBLAZE; TARGETDIR=microblaze 216 ;; 217 218 moxie-*-*) 219 TARGET=MOXIE; TARGETDIR=moxie 220 ;; 221 222 metag-*-*) 223 TARGET=METAG; TARGETDIR=metag 224 ;; 225 226 mips-sgi-irix5.* | mips-sgi-irix6.* | mips*-*-rtems*) 227 TARGET=MIPS_IRIX; TARGETDIR=mips 228 ;; 229 mips*-*linux* | mips*-*-openbsd*) 230 # Support 128-bit long double for NewABI. 231 HAVE_LONG_DOUBLE='defined(__mips64)' 232 TARGET=MIPS_LINUX; TARGETDIR=mips 233 ;; 234 235 nios2*-linux*) 236 TARGET=NIOS2; TARGETDIR=nios2 237 ;; 238 239 powerpc*-*-linux* | powerpc-*-sysv*) 240 TARGET=POWERPC; TARGETDIR=powerpc 241 HAVE_LONG_DOUBLE_VARIANT=1 242 ;; 243 powerpc-*-amigaos*) 244 TARGET=POWERPC; TARGETDIR=powerpc 245 ;; 246 powerpc-*-beos*) 247 TARGET=POWERPC; TARGETDIR=powerpc 248 ;; 249 powerpc-*-darwin* | powerpc64-*-darwin*) 250 TARGET=POWERPC_DARWIN; TARGETDIR=powerpc 251 ;; 252 powerpc-*-aix* | rs6000-*-aix*) 253 TARGET=POWERPC_AIX; TARGETDIR=powerpc 254 ;; 255 powerpc-*-freebsd* | powerpc-*-openbsd*) 256 TARGET=POWERPC_FREEBSD; TARGETDIR=powerpc 257 HAVE_LONG_DOUBLE_VARIANT=1 258 ;; 259 powerpc64-*-freebsd*) 260 TARGET=POWERPC; TARGETDIR=powerpc 261 ;; 262 powerpc*-*-rtems*) 263 TARGET=POWERPC; TARGETDIR=powerpc 264 ;; 265 266 s390-*-* | s390x-*-*) 267 TARGET=S390; TARGETDIR=s390 268 ;; 269 270 sh-*-* | sh[[34]]*-*-*) 271 TARGET=SH; TARGETDIR=sh 272 ;; 273 sh64-*-* | sh5*-*-*) 274 TARGET=SH64; TARGETDIR=sh64 275 ;; 276 277 sparc*-*-*) 278 TARGET=SPARC; TARGETDIR=sparc 279 ;; 280 281 tile*-*) 282 TARGET=TILE; TARGETDIR=tile 283 ;; 284 285 vax-*-*) 286 TARGET=VAX; TARGETDIR=vax 287 ;; 288 289 xtensa*-*) 290 TARGET=XTENSA; TARGETDIR=xtensa 291 ;; 292 293esac 294 295AC_SUBST(AM_RUNTESTFLAGS) 296AC_SUBST(AM_LTLDFLAGS) 297 298if test $TARGETDIR = unknown; then 299 AC_MSG_ERROR(["libffi has not been ported to $host."]) 300fi 301 302AM_CONDITIONAL(MIPS,[expr x$TARGET : 'xMIPS' > /dev/null]) 303AM_CONDITIONAL(BFIN, test x$TARGET = xBFIN) 304AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC) 305AM_CONDITIONAL(X86, test x$TARGET = xX86) 306AM_CONDITIONAL(X86_FREEBSD, test x$TARGET = xX86_FREEBSD) 307AM_CONDITIONAL(X86_WIN32, test x$TARGET = xX86_WIN32) 308AM_CONDITIONAL(X86_WIN64, test x$TARGET = xX86_WIN64) 309AM_CONDITIONAL(X86_DARWIN, test x$TARGET = xX86_DARWIN) 310AM_CONDITIONAL(X86_DARWIN32, test x$TARGET = xX86_DARWIN && test $ac_cv_sizeof_size_t = 4) 311AM_CONDITIONAL(X86_DARWIN64, test x$TARGET = xX86_DARWIN && test $ac_cv_sizeof_size_t = 8) 312AM_CONDITIONAL(ALPHA, test x$TARGET = xALPHA) 313AM_CONDITIONAL(IA64, test x$TARGET = xIA64) 314AM_CONDITIONAL(M32R, test x$TARGET = xM32R) 315AM_CONDITIONAL(M68K, test x$TARGET = xM68K) 316AM_CONDITIONAL(M88K, test x$TARGET = xM88K) 317AM_CONDITIONAL(MICROBLAZE, test x$TARGET = xMICROBLAZE) 318AM_CONDITIONAL(METAG, test x$TARGET = xMETAG) 319AM_CONDITIONAL(MOXIE, test x$TARGET = xMOXIE) 320AM_CONDITIONAL(NIOS2, test x$TARGET = xNIOS2) 321AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC) 322AM_CONDITIONAL(POWERPC_AIX, test x$TARGET = xPOWERPC_AIX) 323AM_CONDITIONAL(POWERPC_DARWIN, test x$TARGET = xPOWERPC_DARWIN) 324AM_CONDITIONAL(POWERPC_FREEBSD, test x$TARGET = xPOWERPC_FREEBSD) 325AM_CONDITIONAL(AARCH64, test x$TARGET = xAARCH64) 326AM_CONDITIONAL(ARC, test x$TARGET = xARC) 327AM_CONDITIONAL(ARM, test x$TARGET = xARM) 328AM_CONDITIONAL(AVR32, test x$TARGET = xAVR32) 329AM_CONDITIONAL(LIBFFI_CRIS, test x$TARGET = xLIBFFI_CRIS) 330AM_CONDITIONAL(FRV, test x$TARGET = xFRV) 331AM_CONDITIONAL(S390, test x$TARGET = xS390) 332AM_CONDITIONAL(X86_64, test x$TARGET = xX86_64) 333AM_CONDITIONAL(SH, test x$TARGET = xSH) 334AM_CONDITIONAL(SH64, test x$TARGET = xSH64) 335AM_CONDITIONAL(PA_LINUX, test x$TARGET = xPA_LINUX) 336AM_CONDITIONAL(PA_HPUX, test x$TARGET = xPA_HPUX) 337AM_CONDITIONAL(PA64_HPUX, test x$TARGET = xPA64_HPUX) 338AM_CONDITIONAL(TILE, test x$TARGET = xTILE) 339AM_CONDITIONAL(VAX, test x$TARGET = xVAX) 340AM_CONDITIONAL(XTENSA, test x$TARGET = xXTENSA) 341 342AC_HEADER_STDC 343AC_CHECK_FUNCS(memcpy) 344AC_FUNC_ALLOCA 345 346AC_CHECK_SIZEOF(double) 347AC_CHECK_SIZEOF(long double) 348 349# Also AC_SUBST this variable for ffi.h. 350if test -z "$HAVE_LONG_DOUBLE"; then 351 HAVE_LONG_DOUBLE=0 352 if test $ac_cv_sizeof_long_double != 0; then 353 if test $HAVE_LONG_DOUBLE_VARIANT != 0; then 354 AC_DEFINE(HAVE_LONG_DOUBLE_VARIANT, 1, [Define if you support more than one size of the long double type]) 355 HAVE_LONG_DOUBLE=1 356 else 357 if test $ac_cv_sizeof_double != $ac_cv_sizeof_long_double; then 358 HAVE_LONG_DOUBLE=1 359 AC_DEFINE(HAVE_LONG_DOUBLE, 1, [Define if you have the long double type and it is bigger than a double]) 360 fi 361 fi 362 fi 363fi 364AC_SUBST(HAVE_LONG_DOUBLE) 365AC_SUBST(HAVE_LONG_DOUBLE_VARIANT) 366 367AC_C_BIGENDIAN 368 369GCC_AS_CFI_PSEUDO_OP 370 371if test x$TARGET = xSPARC; then 372 AC_CACHE_CHECK([assembler and linker support unaligned pc related relocs], 373 libffi_cv_as_sparc_ua_pcrel, [ 374 save_CFLAGS="$CFLAGS" 375 save_LDFLAGS="$LDFLAGS" 376 CFLAGS="$CFLAGS -fpic" 377 LDFLAGS="$LDFLAGS -shared" 378 AC_TRY_LINK([asm (".text; foo: nop; .data; .align 4; .byte 0; .uaword %r_disp32(foo); .text");],, 379 [libffi_cv_as_sparc_ua_pcrel=yes], 380 [libffi_cv_as_sparc_ua_pcrel=no]) 381 CFLAGS="$save_CFLAGS" 382 LDFLAGS="$save_LDFLAGS"]) 383 if test "x$libffi_cv_as_sparc_ua_pcrel" = xyes; then 384 AC_DEFINE(HAVE_AS_SPARC_UA_PCREL, 1, 385 [Define if your assembler and linker support unaligned PC relative relocs.]) 386 fi 387 388 AC_CACHE_CHECK([assembler .register pseudo-op support], 389 libffi_cv_as_register_pseudo_op, [ 390 libffi_cv_as_register_pseudo_op=unknown 391 # Check if we have .register 392 AC_TRY_COMPILE(,[asm (".register %g2, #scratch");], 393 [libffi_cv_as_register_pseudo_op=yes], 394 [libffi_cv_as_register_pseudo_op=no]) 395 ]) 396 if test "x$libffi_cv_as_register_pseudo_op" = xyes; then 397 AC_DEFINE(HAVE_AS_REGISTER_PSEUDO_OP, 1, 398 [Define if your assembler supports .register.]) 399 fi 400fi 401 402if test x$TARGET = xX86 || test x$TARGET = xX86_WIN32 || test x$TARGET = xX86_64; then 403 AC_CACHE_CHECK([assembler supports pc related relocs], 404 libffi_cv_as_x86_pcrel, [ 405 libffi_cv_as_x86_pcrel=no 406 echo '.text; foo: nop; .data; .long foo-.; .text' > conftest.s 407 if $CC $CFLAGS -c conftest.s > /dev/null 2>&1; then 408 libffi_cv_as_x86_pcrel=yes 409 fi 410 ]) 411 if test "x$libffi_cv_as_x86_pcrel" = xyes; then 412 AC_DEFINE(HAVE_AS_X86_PCREL, 1, 413 [Define if your assembler supports PC relative relocs.]) 414 fi 415 416 AC_CACHE_CHECK([assembler .ascii pseudo-op support], 417 libffi_cv_as_ascii_pseudo_op, [ 418 libffi_cv_as_ascii_pseudo_op=unknown 419 # Check if we have .ascii 420 AC_TRY_COMPILE(,[asm (".ascii \\"string\\"");], 421 [libffi_cv_as_ascii_pseudo_op=yes], 422 [libffi_cv_as_ascii_pseudo_op=no]) 423 ]) 424 if test "x$libffi_cv_as_ascii_pseudo_op" = xyes; then 425 AC_DEFINE(HAVE_AS_ASCII_PSEUDO_OP, 1, 426 [Define if your assembler supports .ascii.]) 427 fi 428 429 AC_CACHE_CHECK([assembler .string pseudo-op support], 430 libffi_cv_as_string_pseudo_op, [ 431 libffi_cv_as_string_pseudo_op=unknown 432 # Check if we have .string 433 AC_TRY_COMPILE(,[asm (".string \\"string\\"");], 434 [libffi_cv_as_string_pseudo_op=yes], 435 [libffi_cv_as_string_pseudo_op=no]) 436 ]) 437 if test "x$libffi_cv_as_string_pseudo_op" = xyes; then 438 AC_DEFINE(HAVE_AS_STRING_PSEUDO_OP, 1, 439 [Define if your assembler supports .string.]) 440 fi 441fi 442 443# On PaX enable kernels that have MPROTECT enable we can't use PROT_EXEC. 444AC_ARG_ENABLE(pax_emutramp, 445 [ --enable-pax_emutramp enable pax emulated trampolines, for we can't use PROT_EXEC], 446 if test "$enable_pax_emutramp" = "yes"; then 447 AC_DEFINE(FFI_MMAP_EXEC_EMUTRAMP_PAX, 1, 448 [Define this if you want to enable pax emulated trampolines]) 449 fi) 450 451LT_SYS_SYMBOL_USCORE 452if test "x$sys_symbol_underscore" = xyes; then 453 AC_DEFINE(SYMBOL_UNDERSCORE, 1, [Define if symbols are underscored.]) 454fi 455 456FFI_EXEC_TRAMPOLINE_TABLE=0 457case "$target" in 458 *arm*-apple-darwin*) 459 FFI_EXEC_TRAMPOLINE_TABLE=1 460 AC_DEFINE(FFI_EXEC_TRAMPOLINE_TABLE, 1, 461 [Cannot use PROT_EXEC on this target, so, we revert to 462 alternative means]) 463 ;; 464 *-apple-darwin1* | *-*-freebsd* | *-*-kfreebsd* | *-*-openbsd* | *-pc-solaris*) 465 AC_DEFINE(FFI_MMAP_EXEC_WRIT, 1, 466 [Cannot use malloc on this target, so, we revert to 467 alternative means]) 468 ;; 469esac 470AM_CONDITIONAL(FFI_EXEC_TRAMPOLINE_TABLE, test x$FFI_EXEC_TRAMPOLINE_TABLE = x1) 471AC_SUBST(FFI_EXEC_TRAMPOLINE_TABLE) 472 473if test x$TARGET = xX86_64; then 474 AC_CACHE_CHECK([toolchain supports unwind section type], 475 libffi_cv_as_x86_64_unwind_section_type, [ 476 cat > conftest1.s << EOF 477.text 478.globl foo 479foo: 480jmp bar 481.section .eh_frame,"a",@unwind 482bar: 483EOF 484 485 cat > conftest2.c << EOF 486extern void foo(); 487int main(){foo();} 488EOF 489 490 libffi_cv_as_x86_64_unwind_section_type=no 491 # we ensure that we can compile _and_ link an assembly file containing an @unwind section 492 # since the compiler can support it and not the linker (ie old binutils) 493 if $CC -Wa,--fatal-warnings $CFLAGS -c conftest1.s > /dev/null 2>&1 && \ 494 $CC conftest2.c conftest1.o > /dev/null 2>&1 ; then 495 libffi_cv_as_x86_64_unwind_section_type=yes 496 fi 497 ]) 498 if test "x$libffi_cv_as_x86_64_unwind_section_type" = xyes; then 499 AC_DEFINE(HAVE_AS_X86_64_UNWIND_SECTION_TYPE, 1, 500 [Define if your assembler supports unwind section type.]) 501 fi 502fi 503 504if test "x$GCC" = "xyes"; then 505 AC_CACHE_CHECK([whether .eh_frame section should be read-only], 506 libffi_cv_ro_eh_frame, [ 507 libffi_cv_ro_eh_frame=no 508 echo 'extern void foo (void); void bar (void) { foo (); foo (); }' > conftest.c 509 if $CC $CFLAGS -c -fpic -fexceptions -o conftest.o conftest.c > /dev/null 2>&1; then 510 objdump -h conftest.o > conftest.dump 2>&1 511 libffi_eh_frame_line=`grep -n eh_frame conftest.dump | cut -d: -f 1` 512 libffi_test_line=`expr $libffi_eh_frame_line + 1`p 513 sed -n $libffi_test_line conftest.dump > conftest.line 514 if grep READONLY conftest.line > /dev/null; then 515 libffi_cv_ro_eh_frame=yes 516 fi 517 fi 518 rm -f conftest.* 519 ]) 520 if test "x$libffi_cv_ro_eh_frame" = xyes; then 521 AC_DEFINE(HAVE_RO_EH_FRAME, 1, 522 [Define if .eh_frame sections should be read-only.]) 523 AC_DEFINE(EH_FRAME_FLAGS, "a", 524 [Define to the flags needed for the .section .eh_frame directive. ]) 525 else 526 AC_DEFINE(EH_FRAME_FLAGS, "aw", 527 [Define to the flags needed for the .section .eh_frame directive. ]) 528 fi 529 530 AC_CACHE_CHECK([for __attribute__((visibility("hidden")))], 531 libffi_cv_hidden_visibility_attribute, [ 532 echo 'int __attribute__ ((visibility ("hidden"))) foo (void) { return 1 ; }' > conftest.c 533 libffi_cv_hidden_visibility_attribute=no 534 if AC_TRY_COMMAND(${CC-cc} -Werror -S conftest.c -o conftest.s 1>&AS_MESSAGE_LOG_FD); then 535 if grep '\.hidden.*foo' conftest.s >/dev/null; then 536 libffi_cv_hidden_visibility_attribute=yes 537 fi 538 fi 539 rm -f conftest.* 540 ]) 541 if test $libffi_cv_hidden_visibility_attribute = yes; then 542 AC_DEFINE(HAVE_HIDDEN_VISIBILITY_ATTRIBUTE, 1, 543 [Define if __attribute__((visibility("hidden"))) is supported.]) 544 fi 545fi 546 547AH_BOTTOM([ 548#ifdef HAVE_HIDDEN_VISIBILITY_ATTRIBUTE 549#ifdef LIBFFI_ASM 550#define FFI_HIDDEN(name) .hidden name 551#else 552#define FFI_HIDDEN __attribute__ ((visibility ("hidden"))) 553#endif 554#else 555#ifdef LIBFFI_ASM 556#define FFI_HIDDEN(name) 557#else 558#define FFI_HIDDEN 559#endif 560#endif 561]) 562 563AC_SUBST(TARGET) 564AC_SUBST(TARGETDIR) 565 566AC_SUBST(SHELL) 567 568AC_ARG_ENABLE(debug, 569[ --enable-debug debugging mode], 570 if test "$enable_debug" = "yes"; then 571 AC_DEFINE(FFI_DEBUG, 1, [Define this if you want extra debugging.]) 572 fi) 573AM_CONDITIONAL(FFI_DEBUG, test "$enable_debug" = "yes") 574 575AC_ARG_ENABLE(structs, 576[ --disable-structs omit code for struct support], 577 if test "$enable_structs" = "no"; then 578 AC_DEFINE(FFI_NO_STRUCTS, 1, [Define this if you do not want support for aggregate types.]) 579 fi) 580AM_CONDITIONAL(FFI_DEBUG, test "$enable_debug" = "yes") 581 582AC_ARG_ENABLE(raw-api, 583[ --disable-raw-api make the raw api unavailable], 584 if test "$enable_raw_api" = "no"; then 585 AC_DEFINE(FFI_NO_RAW_API, 1, [Define this if you do not want support for the raw API.]) 586 fi) 587 588AC_ARG_ENABLE(purify-safety, 589[ --enable-purify-safety purify-safe mode], 590 if test "$enable_purify_safety" = "yes"; then 591 AC_DEFINE(USING_PURIFY, 1, [Define this if you are using Purify and want to suppress spurious messages.]) 592 fi) 593 594# These variables are only ever used when we cross-build to X86_WIN32. 595# And we only support this with GCC, so... 596if test "x$GCC" = "xyes"; then 597 if test -n "$with_cross_host" && 598 test x"$with_cross_host" != x"no"; then 599 toolexecdir='$(exec_prefix)/$(target_alias)' 600 toolexeclibdir='$(toolexecdir)/lib' 601 else 602 toolexecdir='$(libdir)/gcc-lib/$(target_alias)' 603 toolexeclibdir='$(libdir)' 604 fi 605 multi_os_directory=`$CC $CFLAGS -print-multi-os-directory` 606 case $multi_os_directory in 607 .) ;; # Avoid trailing /. 608 ../*) toolexeclibdir=$toolexeclibdir/$multi_os_directory ;; 609 esac 610 AC_SUBST(toolexecdir) 611else 612 toolexeclibdir='$(libdir)' 613fi 614AC_SUBST(toolexeclibdir) 615 616AC_CONFIG_COMMANDS(include, [test -d include || mkdir include]) 617AC_CONFIG_COMMANDS(src, [ 618test -d src || mkdir src 619test -d src/$TARGETDIR || mkdir src/$TARGETDIR 620], [TARGETDIR="$TARGETDIR"]) 621 622AC_CONFIG_LINKS(include/ffitarget.h:src/$TARGETDIR/ffitarget.h) 623 624AC_CONFIG_FILES(include/Makefile include/ffi.h Makefile testsuite/Makefile man/Makefile libffi.pc) 625 626AC_CONFIG_LINKS(include/ffi_common.h:include/ffi_common.h) 627 628AC_CONFIG_FILES(fficonfig.py) 629 630AC_OUTPUT 631