1dnl Process this with autoconf to create configure 2 3AC_PREREQ(2.68) 4 5AC_INIT([libffi], [3.2.1], [http://github.com/atgreen/libffi/issues]) 6AC_CONFIG_HEADERS([fficonfig.h]) 7 8AC_CANONICAL_SYSTEM 9target_alias=${target_alias-$host_alias} 10 11case "${host}" in 12 frv*-elf) 13 LDFLAGS=`echo $LDFLAGS | sed "s/\-B[^ ]*libgloss\/frv\///"`\ -B`pwd`/../libgloss/frv/ 14 ;; 15esac 16 17AX_ENABLE_BUILDDIR 18 19AM_INIT_AUTOMAKE 20 21# The same as in boehm-gc and libstdc++. Have to borrow it from there. 22# We must force CC to /not/ be precious variables; otherwise 23# the wrong, non-multilib-adjusted value will be used in multilibs. 24# As a side effect, we have to subst CFLAGS ourselves. 25# Also save and restore CFLAGS, since AC_PROG_CC will come up with 26# defaults of its own if none are provided. 27 28m4_rename([_AC_ARG_VAR_PRECIOUS],[real_PRECIOUS]) 29m4_define([_AC_ARG_VAR_PRECIOUS],[]) 30save_CFLAGS=$CFLAGS 31AC_PROG_CC 32AC_PROG_CXX 33CFLAGS=$save_CFLAGS 34m4_undefine([_AC_ARG_VAR_PRECIOUS]) 35m4_rename_force([real_PRECIOUS],[_AC_ARG_VAR_PRECIOUS]) 36 37AC_SUBST(CFLAGS) 38 39AM_PROG_AS 40AM_PROG_CC_C_O 41AC_PROG_LIBTOOL 42AC_CONFIG_MACRO_DIR([m4]) 43 44# Test for 64-bit build. 45AC_CHECK_SIZEOF([size_t]) 46 47AX_COMPILER_VENDOR 48AX_CC_MAXOPT 49# The AX_CFLAGS_WARN_ALL macro doesn't currently work for sunpro 50# compiler. 51if test "$ax_cv_c_compiler_vendor" != "sun"; then 52 AX_CFLAGS_WARN_ALL 53fi 54 55if test "x$GCC" = "xyes"; then 56 CFLAGS="$CFLAGS -fexceptions" 57fi 58 59cat > local.exp <<EOF 60set CC_FOR_TARGET "$CC" 61set CXX_FOR_TARGET "$CXX" 62EOF 63 64AM_MAINTAINER_MODE 65 66AC_CHECK_HEADERS(sys/mman.h) 67AC_CHECK_FUNCS([mmap mkostemp]) 68AC_FUNC_MMAP_BLACKLIST 69 70dnl The -no-testsuite modules omit the test subdir. 71AM_CONDITIONAL(TESTSUBDIR, test -d $srcdir/testsuite) 72 73TARGETDIR="unknown" 74HAVE_LONG_DOUBLE_VARIANT=0 75case "$host" in 76 aarch64*-*-*) 77 TARGET=AARCH64; TARGETDIR=aarch64 78 ;; 79 80 alpha*-*-*) 81 TARGET=ALPHA; TARGETDIR=alpha; 82 # Support 128-bit long double, changeable via command-line switch. 83 HAVE_LONG_DOUBLE='defined(__LONG_DOUBLE_128__)' 84 ;; 85 86 arc*-*-*) 87 TARGET=ARC; TARGETDIR=arc 88 ;; 89 90 arm*-*-*) 91 TARGET=ARM; TARGETDIR=arm 92 ;; 93 94 amd64-*-freebsd* | amd64-*-openbsd*) 95 TARGET=X86_64; TARGETDIR=x86 96 ;; 97 98 amd64-*-freebsd*) 99 TARGET=X86_64; TARGETDIR=x86 100 ;; 101 102 amd64-*-freebsd*) 103 TARGET=X86_64; TARGETDIR=x86 104 ;; 105 106 avr32*-*-*) 107 TARGET=AVR32; TARGETDIR=avr32 108 ;; 109 110 bfin*) 111 TARGET=BFIN; TARGETDIR=bfin 112 ;; 113 114 cris-*-*) 115 TARGET=LIBFFI_CRIS; TARGETDIR=cris 116 ;; 117 118 frv-*-*) 119 TARGET=FRV; TARGETDIR=frv 120 ;; 121 122 hppa*-*-linux* | parisc*-*-linux* | hppa*-*-openbsd*) 123 TARGET=PA_LINUX; TARGETDIR=pa 124 ;; 125 hppa*64-*-hpux*) 126 TARGET=PA64_HPUX; TARGETDIR=pa 127 ;; 128 hppa*-*-hpux*) 129 TARGET=PA_HPUX; TARGETDIR=pa 130 ;; 131 132 i?86-*-freebsd* | i?86-*-openbsd*) 133 TARGET=X86_FREEBSD; TARGETDIR=x86 134 ;; 135 i?86-win32* | i?86-*-cygwin* | i?86-*-mingw* | i?86-*-os2* | i?86-*-interix*) 136 TARGET=X86_WIN32; TARGETDIR=x86 137 # All mingw/cygwin/win32 builds require -no-undefined for sharedlib. 138 # We must also check with_cross_host to decide if this is a native 139 # or cross-build and select where to install dlls appropriately. 140 if test -n "$with_cross_host" && 141 test x"$with_cross_host" != x"no"; then 142 AM_LTLDFLAGS='-no-undefined -bindir "$(toolexeclibdir)"'; 143 else 144 AM_LTLDFLAGS='-no-undefined -bindir "$(bindir)"'; 145 fi 146 ;; 147 i?86-*-darwin*) 148 TARGET=X86_DARWIN; TARGETDIR=x86 149 ;; 150 i?86-*-solaris2.1[[0-9]]*) 151 TARGETDIR=x86 152 if test $ac_cv_sizeof_size_t = 4; then 153 TARGET=X86; 154 else 155 TARGET=X86_64; 156 fi 157 ;; 158 159 x86_64-*-darwin*) 160 TARGET=X86_DARWIN; TARGETDIR=x86 161 ;; 162 163 x86_64-*-cygwin* | x86_64-*-mingw*) 164 TARGET=X86_WIN64; TARGETDIR=x86 165 # All mingw/cygwin/win32 builds require -no-undefined for sharedlib. 166 # We must also check with_cross_host to decide if this is a native 167 # or cross-build and select where to install dlls appropriately. 168 if test -n "$with_cross_host" && 169 test x"$with_cross_host" != x"no"; then 170 AM_LTLDFLAGS='-no-undefined -bindir "$(toolexeclibdir)"'; 171 else 172 AM_LTLDFLAGS='-no-undefined -bindir "$(bindir)"'; 173 fi 174 ;; 175 176 i?86-*-* | x86_64-*-*) 177 TARGETDIR=x86 178 if test $ac_cv_sizeof_size_t = 4; then 179 case "$host" in 180 *-gnux32) 181 TARGET=X86_64 182 ;; 183 *) 184 TARGET=X86 185 ;; 186 esac 187 else 188 TARGET=X86_64; 189 fi 190 ;; 191 192 ia64*-*-*) 193 TARGET=IA64; TARGETDIR=ia64 194 ;; 195 196 m32r*-*-*) 197 TARGET=M32R; TARGETDIR=m32r 198 ;; 199 200 m68k-*-*) 201 TARGET=M68K; TARGETDIR=m68k 202 ;; 203 204 m88k-*-*) 205 TARGET=M88K; TARGETDIR=m88k 206 ;; 207 208 microblaze*-*-*) 209 TARGET=MICROBLAZE; TARGETDIR=microblaze 210 ;; 211 212 moxie-*-*) 213 TARGET=MOXIE; TARGETDIR=moxie 214 ;; 215 216 metag-*-*) 217 TARGET=METAG; TARGETDIR=metag 218 ;; 219 220 mips-sgi-irix5.* | mips-sgi-irix6.* | mips*-*-rtems*) 221 TARGET=MIPS; TARGETDIR=mips 222 ;; 223 mips*-*linux* | mips*-*-openbsd*) 224 # Support 128-bit long double for NewABI. 225 HAVE_LONG_DOUBLE='defined(__mips64)' 226 TARGET=MIPS; TARGETDIR=mips 227 ;; 228 229 nios2*-linux*) 230 TARGET=NIOS2; TARGETDIR=nios2 231 ;; 232 233 or1k*-linux*) 234 TARGET=OR1K; TARGETDIR=or1k 235 ;; 236 237 powerpc*-*-linux* | powerpc-*-sysv*) 238 TARGET=POWERPC; TARGETDIR=powerpc 239 HAVE_LONG_DOUBLE_VARIANT=1 240 ;; 241 powerpc-*-amigaos*) 242 TARGET=POWERPC; TARGETDIR=powerpc 243 ;; 244 powerpc-*-beos*) 245 TARGET=POWERPC; TARGETDIR=powerpc 246 ;; 247 powerpc-*-darwin* | powerpc64-*-darwin*) 248 TARGET=POWERPC_DARWIN; TARGETDIR=powerpc 249 ;; 250 powerpc-*-aix* | rs6000-*-aix*) 251 TARGET=POWERPC_AIX; TARGETDIR=powerpc 252 ;; 253 powerpc-*-freebsd* | powerpc-*-openbsd*) 254 TARGET=POWERPC_FREEBSD; TARGETDIR=powerpc 255 HAVE_LONG_DOUBLE_VARIANT=1 256 ;; 257 powerpc64-*-freebsd*) 258 TARGET=POWERPC; TARGETDIR=powerpc 259 ;; 260 powerpc*-*-rtems*) 261 TARGET=POWERPC; TARGETDIR=powerpc 262 ;; 263 264 s390-*-* | s390x-*-*) 265 TARGET=S390; TARGETDIR=s390 266 ;; 267 268 sh-*-* | sh[[34]]*-*-*) 269 TARGET=SH; TARGETDIR=sh 270 ;; 271 sh64-*-* | sh5*-*-*) 272 TARGET=SH64; TARGETDIR=sh64 273 ;; 274 275 sparc*-*-*) 276 TARGET=SPARC; TARGETDIR=sparc 277 ;; 278 279 tile*-*) 280 TARGET=TILE; TARGETDIR=tile 281 ;; 282 283 vax-*-*) 284 TARGET=VAX; TARGETDIR=vax 285 ;; 286 287 xtensa*-*) 288 TARGET=XTENSA; TARGETDIR=xtensa 289 ;; 290 291esac 292 293AC_SUBST(AM_RUNTESTFLAGS) 294AC_SUBST(AM_LTLDFLAGS) 295 296if test $TARGETDIR = unknown; then 297 AC_MSG_ERROR(["libffi has not been ported to $host."]) 298fi 299 300AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS) 301AM_CONDITIONAL(BFIN, test x$TARGET = xBFIN) 302AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC) 303AM_CONDITIONAL(X86, test x$TARGET = xX86) 304AM_CONDITIONAL(X86_FREEBSD, test x$TARGET = xX86_FREEBSD) 305AM_CONDITIONAL(X86_WIN32, test x$TARGET = xX86_WIN32) 306AM_CONDITIONAL(X86_WIN64, test x$TARGET = xX86_WIN64) 307AM_CONDITIONAL(X86_DARWIN, test x$TARGET = xX86_DARWIN) 308AM_CONDITIONAL(X86_DARWIN32, test x$TARGET = xX86_DARWIN && test $ac_cv_sizeof_size_t = 4) 309AM_CONDITIONAL(X86_DARWIN64, test x$TARGET = xX86_DARWIN && test $ac_cv_sizeof_size_t = 8) 310AM_CONDITIONAL(ALPHA, test x$TARGET = xALPHA) 311AM_CONDITIONAL(IA64, test x$TARGET = xIA64) 312AM_CONDITIONAL(M32R, test x$TARGET = xM32R) 313AM_CONDITIONAL(M68K, test x$TARGET = xM68K) 314AM_CONDITIONAL(M88K, test x$TARGET = xM88K) 315AM_CONDITIONAL(MICROBLAZE, test x$TARGET = xMICROBLAZE) 316AM_CONDITIONAL(METAG, test x$TARGET = xMETAG) 317AM_CONDITIONAL(MOXIE, test x$TARGET = xMOXIE) 318AM_CONDITIONAL(NIOS2, test x$TARGET = xNIOS2) 319AM_CONDITIONAL(OR1K, test x$TARGET = xOR1K) 320AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC) 321AM_CONDITIONAL(POWERPC_AIX, test x$TARGET = xPOWERPC_AIX) 322AM_CONDITIONAL(POWERPC_DARWIN, test x$TARGET = xPOWERPC_DARWIN) 323AM_CONDITIONAL(POWERPC_FREEBSD, test x$TARGET = xPOWERPC_FREEBSD) 324AM_CONDITIONAL(AARCH64, test x$TARGET = xAARCH64) 325AM_CONDITIONAL(ARC, test x$TARGET = xARC) 326AM_CONDITIONAL(ARM, test x$TARGET = xARM) 327AM_CONDITIONAL(AVR32, test x$TARGET = xAVR32) 328AM_CONDITIONAL(LIBFFI_CRIS, test x$TARGET = xLIBFFI_CRIS) 329AM_CONDITIONAL(FRV, test x$TARGET = xFRV) 330AM_CONDITIONAL(S390, test x$TARGET = xS390) 331AM_CONDITIONAL(X86_64, test x$TARGET = xX86_64) 332AM_CONDITIONAL(SH, test x$TARGET = xSH) 333AM_CONDITIONAL(SH64, test x$TARGET = xSH64) 334AM_CONDITIONAL(PA_LINUX, test x$TARGET = xPA_LINUX) 335AM_CONDITIONAL(PA_HPUX, test x$TARGET = xPA_HPUX) 336AM_CONDITIONAL(PA64_HPUX, test x$TARGET = xPA64_HPUX) 337AM_CONDITIONAL(TILE, test x$TARGET = xTILE) 338AM_CONDITIONAL(VAX, test x$TARGET = xVAX) 339AM_CONDITIONAL(XTENSA, test x$TARGET = xXTENSA) 340 341AC_HEADER_STDC 342AC_CHECK_FUNCS(memcpy) 343AC_FUNC_ALLOCA 344 345AC_CHECK_SIZEOF(double) 346AC_CHECK_SIZEOF(long double) 347 348# Also AC_SUBST this variable for ffi.h. 349if test -z "$HAVE_LONG_DOUBLE"; then 350 HAVE_LONG_DOUBLE=0 351 if test $ac_cv_sizeof_long_double != 0; then 352 if test $HAVE_LONG_DOUBLE_VARIANT != 0; then 353 AC_DEFINE(HAVE_LONG_DOUBLE_VARIANT, 1, [Define if you support more than one size of the long double type]) 354 HAVE_LONG_DOUBLE=1 355 else 356 if test $ac_cv_sizeof_double != $ac_cv_sizeof_long_double; then 357 HAVE_LONG_DOUBLE=1 358 AC_DEFINE(HAVE_LONG_DOUBLE, 1, [Define if you have the long double type and it is bigger than a double]) 359 fi 360 fi 361 fi 362fi 363AC_SUBST(HAVE_LONG_DOUBLE) 364AC_SUBST(HAVE_LONG_DOUBLE_VARIANT) 365 366AC_C_BIGENDIAN 367 368GCC_AS_CFI_PSEUDO_OP 369 370if test x$TARGET = xSPARC; then 371 AC_CACHE_CHECK([assembler and linker support unaligned pc related relocs], 372 libffi_cv_as_sparc_ua_pcrel, [ 373 save_CFLAGS="$CFLAGS" 374 save_LDFLAGS="$LDFLAGS" 375 CFLAGS="$CFLAGS -fpic" 376 LDFLAGS="$LDFLAGS -shared" 377 AC_TRY_LINK([asm (".text; foo: nop; .data; .align 4; .byte 0; .uaword %r_disp32(foo); .text");],, 378 [libffi_cv_as_sparc_ua_pcrel=yes], 379 [libffi_cv_as_sparc_ua_pcrel=no]) 380 CFLAGS="$save_CFLAGS" 381 LDFLAGS="$save_LDFLAGS"]) 382 if test "x$libffi_cv_as_sparc_ua_pcrel" = xyes; then 383 AC_DEFINE(HAVE_AS_SPARC_UA_PCREL, 1, 384 [Define if your assembler and linker support unaligned PC relative relocs.]) 385 fi 386 387 AC_CACHE_CHECK([assembler .register pseudo-op support], 388 libffi_cv_as_register_pseudo_op, [ 389 libffi_cv_as_register_pseudo_op=unknown 390 # Check if we have .register 391 AC_TRY_COMPILE(,[asm (".register %g2, #scratch");], 392 [libffi_cv_as_register_pseudo_op=yes], 393 [libffi_cv_as_register_pseudo_op=no]) 394 ]) 395 if test "x$libffi_cv_as_register_pseudo_op" = xyes; then 396 AC_DEFINE(HAVE_AS_REGISTER_PSEUDO_OP, 1, 397 [Define if your assembler supports .register.]) 398 fi 399fi 400 401if test x$TARGET = xX86 || test x$TARGET = xX86_WIN32 || test x$TARGET = xX86_64; then 402 AC_CACHE_CHECK([assembler supports pc related relocs], 403 libffi_cv_as_x86_pcrel, [ 404 libffi_cv_as_x86_pcrel=no 405 echo '.text; foo: nop; .data; .long foo-.; .text' > conftest.s 406 if $CC $CFLAGS -c conftest.s > /dev/null 2>&1; then 407 libffi_cv_as_x86_pcrel=yes 408 fi 409 ]) 410 if test "x$libffi_cv_as_x86_pcrel" = xyes; then 411 AC_DEFINE(HAVE_AS_X86_PCREL, 1, 412 [Define if your assembler supports PC relative relocs.]) 413 fi 414 415 AC_CACHE_CHECK([assembler .ascii pseudo-op support], 416 libffi_cv_as_ascii_pseudo_op, [ 417 libffi_cv_as_ascii_pseudo_op=unknown 418 # Check if we have .ascii 419 AC_TRY_COMPILE(,[asm (".ascii \\"string\\"");], 420 [libffi_cv_as_ascii_pseudo_op=yes], 421 [libffi_cv_as_ascii_pseudo_op=no]) 422 ]) 423 if test "x$libffi_cv_as_ascii_pseudo_op" = xyes; then 424 AC_DEFINE(HAVE_AS_ASCII_PSEUDO_OP, 1, 425 [Define if your assembler supports .ascii.]) 426 fi 427 428 AC_CACHE_CHECK([assembler .string pseudo-op support], 429 libffi_cv_as_string_pseudo_op, [ 430 libffi_cv_as_string_pseudo_op=unknown 431 # Check if we have .string 432 AC_TRY_COMPILE(,[asm (".string \\"string\\"");], 433 [libffi_cv_as_string_pseudo_op=yes], 434 [libffi_cv_as_string_pseudo_op=no]) 435 ]) 436 if test "x$libffi_cv_as_string_pseudo_op" = xyes; then 437 AC_DEFINE(HAVE_AS_STRING_PSEUDO_OP, 1, 438 [Define if your assembler supports .string.]) 439 fi 440fi 441 442# On PaX enable kernels that have MPROTECT enable we can't use PROT_EXEC. 443AC_ARG_ENABLE(pax_emutramp, 444 [ --enable-pax_emutramp enable pax emulated trampolines, for we can't use PROT_EXEC], 445 if test "$enable_pax_emutramp" = "yes"; then 446 AC_DEFINE(FFI_MMAP_EXEC_EMUTRAMP_PAX, 1, 447 [Define this if you want to enable pax emulated trampolines]) 448 fi) 449 450LT_SYS_SYMBOL_USCORE 451if test "x$sys_symbol_underscore" = xyes; then 452 AC_DEFINE(SYMBOL_UNDERSCORE, 1, [Define if symbols are underscored.]) 453fi 454 455FFI_EXEC_TRAMPOLINE_TABLE=0 456case "$target" in 457 *arm*-apple-darwin*) 458 FFI_EXEC_TRAMPOLINE_TABLE=1 459 AC_DEFINE(FFI_EXEC_TRAMPOLINE_TABLE, 1, 460 [Cannot use PROT_EXEC on this target, so, we revert to 461 alternative means]) 462 ;; 463 *-apple-darwin1* | *-*-freebsd* | *-*-kfreebsd* | *-*-openbsd* | *-pc-solaris*) 464 AC_DEFINE(FFI_MMAP_EXEC_WRIT, 1, 465 [Cannot use malloc on this target, so, we revert to 466 alternative means]) 467 ;; 468esac 469AM_CONDITIONAL(FFI_EXEC_TRAMPOLINE_TABLE, test x$FFI_EXEC_TRAMPOLINE_TABLE = x1) 470AC_SUBST(FFI_EXEC_TRAMPOLINE_TABLE) 471 472if test x$TARGET = xX86_64; then 473 AC_CACHE_CHECK([toolchain supports unwind section type], 474 libffi_cv_as_x86_64_unwind_section_type, [ 475 cat > conftest1.s << EOF 476.text 477.globl foo 478foo: 479jmp bar 480.section .eh_frame,"a",@unwind 481bar: 482EOF 483 484 cat > conftest2.c << EOF 485extern void foo(); 486int main(){foo();} 487EOF 488 489 libffi_cv_as_x86_64_unwind_section_type=no 490 # we ensure that we can compile _and_ link an assembly file containing an @unwind section 491 # since the compiler can support it and not the linker (ie old binutils) 492 if $CC -Wa,--fatal-warnings $CFLAGS -c conftest1.s > /dev/null 2>&1 && \ 493 $CC conftest2.c conftest1.o > /dev/null 2>&1 ; then 494 libffi_cv_as_x86_64_unwind_section_type=yes 495 fi 496 ]) 497 if test "x$libffi_cv_as_x86_64_unwind_section_type" = xyes; then 498 AC_DEFINE(HAVE_AS_X86_64_UNWIND_SECTION_TYPE, 1, 499 [Define if your assembler supports unwind section type.]) 500 fi 501fi 502 503if test "x$GCC" = "xyes"; then 504 AC_CACHE_CHECK([whether .eh_frame section should be read-only], 505 libffi_cv_ro_eh_frame, [ 506 libffi_cv_ro_eh_frame=no 507 echo 'extern void foo (void); void bar (void) { foo (); foo (); }' > conftest.c 508 if $CC $CFLAGS -c -fpic -fexceptions -o conftest.o conftest.c > /dev/null 2>&1; then 509 objdump -h conftest.o > conftest.dump 2>&1 510 libffi_eh_frame_line=`grep -n eh_frame conftest.dump | cut -d: -f 1` 511 libffi_test_line=`expr $libffi_eh_frame_line + 1`p 512 sed -n $libffi_test_line conftest.dump > conftest.line 513 if grep READONLY conftest.line > /dev/null; then 514 libffi_cv_ro_eh_frame=yes 515 fi 516 fi 517 rm -f conftest.* 518 ]) 519 if test "x$libffi_cv_ro_eh_frame" = xyes; then 520 AC_DEFINE(HAVE_RO_EH_FRAME, 1, 521 [Define if .eh_frame sections should be read-only.]) 522 AC_DEFINE(EH_FRAME_FLAGS, "a", 523 [Define to the flags needed for the .section .eh_frame directive. ]) 524 else 525 AC_DEFINE(EH_FRAME_FLAGS, "aw", 526 [Define to the flags needed for the .section .eh_frame directive. ]) 527 fi 528 529 AC_CACHE_CHECK([for __attribute__((visibility("hidden")))], 530 libffi_cv_hidden_visibility_attribute, [ 531 echo 'int __attribute__ ((visibility ("hidden"))) foo (void) { return 1 ; }' > conftest.c 532 libffi_cv_hidden_visibility_attribute=no 533 if AC_TRY_COMMAND(${CC-cc} -Werror -S conftest.c -o conftest.s 1>&AS_MESSAGE_LOG_FD); then 534 if grep '\.hidden.*foo' conftest.s >/dev/null; then 535 libffi_cv_hidden_visibility_attribute=yes 536 fi 537 fi 538 rm -f conftest.* 539 ]) 540 if test $libffi_cv_hidden_visibility_attribute = yes; then 541 AC_DEFINE(HAVE_HIDDEN_VISIBILITY_ATTRIBUTE, 1, 542 [Define if __attribute__((visibility("hidden"))) is supported.]) 543 fi 544fi 545 546AH_BOTTOM([ 547#ifdef HAVE_HIDDEN_VISIBILITY_ATTRIBUTE 548#ifdef LIBFFI_ASM 549#define FFI_HIDDEN(name) .hidden name 550#else 551#define FFI_HIDDEN __attribute__ ((visibility ("hidden"))) 552#endif 553#else 554#ifdef LIBFFI_ASM 555#define FFI_HIDDEN(name) 556#else 557#define FFI_HIDDEN 558#endif 559#endif 560]) 561 562AC_SUBST(TARGET) 563AC_SUBST(TARGETDIR) 564 565AC_SUBST(SHELL) 566 567AC_ARG_ENABLE(debug, 568[ --enable-debug debugging mode], 569 if test "$enable_debug" = "yes"; then 570 AC_DEFINE(FFI_DEBUG, 1, [Define this if you want extra debugging.]) 571 fi) 572AM_CONDITIONAL(FFI_DEBUG, test "$enable_debug" = "yes") 573 574AC_ARG_ENABLE(structs, 575[ --disable-structs omit code for struct support], 576 if test "$enable_structs" = "no"; then 577 AC_DEFINE(FFI_NO_STRUCTS, 1, [Define this if you do not want support for aggregate types.]) 578 fi) 579AM_CONDITIONAL(FFI_DEBUG, test "$enable_debug" = "yes") 580 581AC_ARG_ENABLE(raw-api, 582[ --disable-raw-api make the raw api unavailable], 583 if test "$enable_raw_api" = "no"; then 584 AC_DEFINE(FFI_NO_RAW_API, 1, [Define this if you do not want support for the raw API.]) 585 fi) 586 587AC_ARG_ENABLE(purify-safety, 588[ --enable-purify-safety purify-safe mode], 589 if test "$enable_purify_safety" = "yes"; then 590 AC_DEFINE(USING_PURIFY, 1, [Define this if you are using Purify and want to suppress spurious messages.]) 591 fi) 592 593# These variables are only ever used when we cross-build to X86_WIN32. 594# And we only support this with GCC, so... 595if test "x$GCC" = "xyes"; then 596 if test -n "$with_cross_host" && 597 test x"$with_cross_host" != x"no"; then 598 toolexecdir="${exec_prefix}"/'$(target_alias)' 599 toolexeclibdir="${toolexecdir}"/lib 600 else 601 toolexecdir="${libdir}"/gcc-lib/'$(target_alias)' 602 toolexeclibdir="${libdir}" 603 fi 604 multi_os_directory=`$CC $CFLAGS -print-multi-os-directory` 605 case $multi_os_directory in 606 .) ;; # Avoid trailing /. 607 ../*) toolexeclibdir=$toolexeclibdir/$multi_os_directory ;; 608 esac 609 AC_SUBST(toolexecdir) 610else 611 toolexeclibdir="${libdir}" 612fi 613AC_SUBST(toolexeclibdir) 614 615AC_CONFIG_COMMANDS(include, [test -d include || mkdir include]) 616AC_CONFIG_COMMANDS(src, [ 617test -d src || mkdir src 618test -d src/$TARGETDIR || mkdir src/$TARGETDIR 619], [TARGETDIR="$TARGETDIR"]) 620 621AC_CONFIG_LINKS(include/ffitarget.h:src/$TARGETDIR/ffitarget.h) 622 623AC_CONFIG_FILES(include/Makefile include/ffi.h Makefile testsuite/Makefile man/Makefile libffi.pc) 624 625AC_OUTPUT 626