diff options
Diffstat (limited to 'gcc-4.4.3/libffi/configure.ac')
| -rw-r--r-- | gcc-4.4.3/libffi/configure.ac | 375 |
1 files changed, 375 insertions, 0 deletions
diff --git a/gcc-4.4.3/libffi/configure.ac b/gcc-4.4.3/libffi/configure.ac new file mode 100644 index 000000000..2dff35c06 --- /dev/null +++ b/gcc-4.4.3/libffi/configure.ac @@ -0,0 +1,375 @@ +dnl Process this with autoconf to create configure + +AC_PREREQ(2.59) + +AC_INIT([libffi], [2.1], [http://gcc.gnu.org/bugs.html]) +AC_CONFIG_HEADERS([fficonfig.h]) + +AM_ENABLE_MULTILIB(, ..) + +AC_CANONICAL_SYSTEM +target_alias=${target_alias-$host_alias} + +. ${srcdir}/configure.host + +AM_INIT_AUTOMAKE + +# The same as in boehm-gc and libstdc++. Have to borrow it from there. +# We must force CC to /not/ be precious variables; otherwise +# the wrong, non-multilib-adjusted value will be used in multilibs. +# As a side effect, we have to subst CFLAGS ourselves. + +m4_rename([_AC_ARG_VAR_PRECIOUS],[real_PRECIOUS]) +m4_define([_AC_ARG_VAR_PRECIOUS],[]) +AC_PROG_CC +m4_rename([real_PRECIOUS],[_AC_ARG_VAR_PRECIOUS]) + +AC_SUBST(CFLAGS) + +AM_PROG_AS +AM_PROG_CC_C_O +AC_PROG_LIBTOOL + +AM_MAINTAINER_MODE + +AC_CHECK_HEADERS(sys/mman.h) +AC_CHECK_FUNCS(mmap) +AC_FUNC_MMAP_BLACKLIST + +dnl The -no-testsuite modules omit the test subdir. +AM_CONDITIONAL(TESTSUBDIR, test -d $srcdir/testsuite) + +TARGETDIR="unknown" +case "$host" in + alpha*-*-*) + TARGET=ALPHA; TARGETDIR=alpha; + # Support 128-bit long double, changable via command-line switch. + HAVE_LONG_DOUBLE='defined(__LONG_DOUBLE_128__)' + ;; + + arm*-*-*) + TARGET=ARM; TARGETDIR=arm + ;; + + amd64-*-freebsd*) + TARGET=X86_64; TARGETDIR=x86 + ;; + + cris-*-*) + TARGET=LIBFFI_CRIS; TARGETDIR=cris + ;; + + frv-*-*) + TARGET=FRV; TARGETDIR=frv + ;; + + hppa*-*-linux*) + TARGET=PA_LINUX; TARGETDIR=pa + ;; + hppa*64-*-hpux*) + TARGET=PA64_HPUX; TARGETDIR=pa + ;; + hppa*-*-hpux*) + TARGET=PA_HPUX; TARGETDIR=pa + ;; + + i?86-win32* | i?86-*-cygwin* | i?86-*-mingw*) + TARGET=X86_WIN32; TARGETDIR=x86 + ;; + i?86-*-darwin*) + TARGET=X86_DARWIN; TARGETDIR=x86 + ;; + i?86-*-solaris2.1[[0-9]]*) + TARGET=X86_64; TARGETDIR=x86 + ;; + i?86-*-*) + TARGET=X86; TARGETDIR=x86 + ;; + + ia64*-*-*) + TARGET=IA64; TARGETDIR=ia64 + ;; + + m32r*-*-*) + TARGET=M32R; TARGETDIR=m32r + ;; + + m68k-*-*) + TARGET=M68K; TARGETDIR=m68k + ;; + + mips-sgi-irix5.* | mips-sgi-irix6.*) + TARGET=MIPS; TARGETDIR=mips + ;; + mips*-*-linux*) + TARGET=MIPS; TARGETDIR=mips + ;; + + powerpc*-*-linux*) + TARGET=POWERPC; TARGETDIR=powerpc + ;; + powerpc-*-darwin*) + TARGET=POWERPC_DARWIN; TARGETDIR=powerpc + ;; + powerpc-*-aix* | rs6000-*-aix*) + TARGET=POWERPC_AIX; TARGETDIR=powerpc + ;; + powerpc-*-freebsd*) + TARGET=POWERPC_FREEBSD; TARGETDIR=powerpc + ;; + powerpc*-*-rtems*) + TARGET=POWERPC; TARGETDIR=powerpc + ;; + + s390-*-* | s390x-*-*) + TARGET=S390; TARGETDIR=s390 + ;; + + sh-*-* | sh[[34]]*-*-*) + TARGET=SH; TARGETDIR=sh + ;; + sh64-*-* | sh5*-*-*) + TARGET=SH64; TARGETDIR=sh64 + ;; + + sparc*-*-*) + TARGET=SPARC; TARGETDIR=sparc + ;; + + x86_64-*-darwin*) + TARGET=X86_DARWIN; TARGETDIR=x86 + ;; + x86_64-*-cygwin* | x86_64-*-mingw*) + ;; + x86_64-*-*) + TARGET=X86_64; TARGETDIR=x86 + ;; +esac + +AC_SUBST(AM_RUNTESTFLAGS) + +if test $TARGETDIR = unknown; then + AC_MSG_ERROR(["libffi has not been ported to $host."]) +fi + +AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS) +AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC) +AM_CONDITIONAL(X86, test x$TARGET = xX86) +AM_CONDITIONAL(X86_WIN32, test x$TARGET = xX86_WIN32) +AM_CONDITIONAL(X86_DARWIN, test x$TARGET = xX86_DARWIN) +AM_CONDITIONAL(ALPHA, test x$TARGET = xALPHA) +AM_CONDITIONAL(IA64, test x$TARGET = xIA64) +AM_CONDITIONAL(M32R, test x$TARGET = xM32R) +AM_CONDITIONAL(M68K, test x$TARGET = xM68K) +AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC) +AM_CONDITIONAL(POWERPC_AIX, test x$TARGET = xPOWERPC_AIX) +AM_CONDITIONAL(POWERPC_DARWIN, test x$TARGET = xPOWERPC_DARWIN) +AM_CONDITIONAL(POWERPC_FREEBSD, test x$TARGET = xPOWERPC_FREEBSD) +AM_CONDITIONAL(ARM, test x$TARGET = xARM) +AM_CONDITIONAL(LIBFFI_CRIS, test x$TARGET = xLIBFFI_CRIS) +AM_CONDITIONAL(FRV, test x$TARGET = xFRV) +AM_CONDITIONAL(S390, test x$TARGET = xS390) +AM_CONDITIONAL(X86_64, test x$TARGET = xX86_64) +AM_CONDITIONAL(SH, test x$TARGET = xSH) +AM_CONDITIONAL(SH64, test x$TARGET = xSH64) +AM_CONDITIONAL(PA_LINUX, test x$TARGET = xPA_LINUX) +AM_CONDITIONAL(PA_HPUX, test x$TARGET = xPA_HPUX) +AM_CONDITIONAL(PA64_HPUX, test x$TARGET = xPA64_HPUX) + +AC_HEADER_STDC +AC_CHECK_FUNCS(memcpy) +AC_FUNC_ALLOCA + +AC_CHECK_SIZEOF(double) +AC_CHECK_SIZEOF(long double) + +# Also AC_SUBST this variable for ffi.h. +if test -z "$HAVE_LONG_DOUBLE"; then + HAVE_LONG_DOUBLE=0 + if test $ac_cv_sizeof_double != $ac_cv_sizeof_long_double; then + if test $ac_cv_sizeof_long_double != 0; then + HAVE_LONG_DOUBLE=1 + AC_DEFINE(HAVE_LONG_DOUBLE, 1, [Define if you have the long double type and it is bigger than a double]) + fi + fi +fi +AC_SUBST(HAVE_LONG_DOUBLE) + +AC_C_BIGENDIAN + +AC_CACHE_CHECK([assembler .cfi pseudo-op support], + libffi_cv_as_cfi_pseudo_op, [ + libffi_cv_as_cfi_pseudo_op=unknown + AC_TRY_COMPILE([asm (".cfi_startproc\n\t.cfi_endproc");],, + [libffi_cv_as_cfi_pseudo_op=yes], + [libffi_cv_as_cfi_pseudo_op=no]) +]) +if test "x$libffi_cv_as_cfi_pseudo_op" = xyes; then + AC_DEFINE(HAVE_AS_CFI_PSEUDO_OP, 1, + [Define if your assembler supports .cfi_* directives.]) +fi + +if test x$TARGET = xSPARC; then + AC_CACHE_CHECK([assembler and linker support unaligned pc related relocs], + libffi_cv_as_sparc_ua_pcrel, [ + save_CFLAGS="$CFLAGS" + save_LDFLAGS="$LDFLAGS" + CFLAGS="$CFLAGS -fpic" + LDFLAGS="$LDFLAGS -shared" + AC_TRY_LINK([asm (".text; foo: nop; .data; .align 4; .byte 0; .uaword %r_disp32(foo); .text");],, + [libffi_cv_as_sparc_ua_pcrel=yes], + [libffi_cv_as_sparc_ua_pcrel=no]) + CFLAGS="$save_CFLAGS" + LDFLAGS="$save_LDFLAGS"]) + if test "x$libffi_cv_as_sparc_ua_pcrel" = xyes; then + AC_DEFINE(HAVE_AS_SPARC_UA_PCREL, 1, + [Define if your assembler and linker support unaligned PC relative relocs.]) + fi + + AC_CACHE_CHECK([assembler .register pseudo-op support], + libffi_cv_as_register_pseudo_op, [ + libffi_cv_as_register_pseudo_op=unknown + # Check if we have .register + AC_TRY_COMPILE([asm (".register %g2, #scratch");],, + [libffi_cv_as_register_pseudo_op=yes], + [libffi_cv_as_register_pseudo_op=no]) + ]) + if test "x$libffi_cv_as_register_pseudo_op" = xyes; then + AC_DEFINE(HAVE_AS_REGISTER_PSEUDO_OP, 1, + [Define if your assembler supports .register.]) + fi +fi + +if test x$TARGET = xX86 || test x$TARGET = xX86_64; then + AC_CACHE_CHECK([assembler supports pc related relocs], + libffi_cv_as_x86_pcrel, [ + libffi_cv_as_x86_pcrel=yes + echo '.text; foo: nop; .data; .long foo-.; .text' > conftest.s + if $CC $CFLAGS -c conftest.s 2>&1 | grep -i warning > /dev/null; then + libffi_cv_as_x86_pcrel=no + fi + ]) + if test "x$libffi_cv_as_x86_pcrel" = xyes; then + AC_DEFINE(HAVE_AS_X86_PCREL, 1, + [Define if your assembler supports PC relative relocs.]) + fi +fi + +AC_CACHE_CHECK([whether .eh_frame section should be read-only], + libffi_cv_ro_eh_frame, [ + libffi_cv_ro_eh_frame=no + echo 'extern void foo (void); void bar (void) { foo (); foo (); }' > conftest.c + if $CC $CFLAGS -S -fpic -fexceptions -o conftest.s conftest.c > /dev/null 2>&1; then + if grep '.section.*eh_frame.*"a"' conftest.s > /dev/null; then + libffi_cv_ro_eh_frame=yes + elif grep '.section.*eh_frame.*#alloc' conftest.c \ + | grep -v '#write' > /dev/null; then + libffi_cv_ro_eh_frame=yes + fi + fi + rm -f conftest.* + ]) +if test "x$libffi_cv_ro_eh_frame" = xyes; then + AC_DEFINE(HAVE_RO_EH_FRAME, 1, + [Define if .eh_frame sections should be read-only.]) + AC_DEFINE(EH_FRAME_FLAGS, "a", + [Define to the flags needed for the .section .eh_frame directive.]) +else + AC_DEFINE(EH_FRAME_FLAGS, "aw", + [Define to the flags needed for the .section .eh_frame directive.]) +fi + +AC_CACHE_CHECK([for __attribute__((visibility("hidden")))], + libffi_cv_hidden_visibility_attribute, [ + echo 'int __attribute__ ((visibility ("hidden"))) foo (void) { return 1; }' > conftest.c + libffi_cv_hidden_visibility_attribute=no + if AC_TRY_COMMAND(${CC-cc} -Werror -S conftest.c -o conftest.s 1>&AS_MESSAGE_LOG_FD); then + if grep '\.hidden.*foo' conftest.s >/dev/null; then + libffi_cv_hidden_visibility_attribute=yes + fi + fi + rm -f conftest.* + ]) +if test $libffi_cv_hidden_visibility_attribute = yes; then + AC_DEFINE(HAVE_HIDDEN_VISIBILITY_ATTRIBUTE, 1, + [Define if __attribute__((visibility("hidden"))) is supported.]) +fi + +AH_BOTTOM([ +#ifdef HAVE_HIDDEN_VISIBILITY_ATTRIBUTE +#ifdef LIBFFI_ASM +#define FFI_HIDDEN(name) .hidden name +#else +#define FFI_HIDDEN __attribute__ ((visibility ("hidden"))) +#endif +#else +#ifdef LIBFFI_ASM +#define FFI_HIDDEN(name) +#else +#define FFI_HIDDEN +#endif +#endif +]) + +AC_SUBST(TARGET) +AC_SUBST(TARGETDIR) + +AC_SUBST(SHELL) + +AC_ARG_ENABLE(debug, +[ --enable-debug debugging mode], + if test "$enable_debug" = "yes"; then + AC_DEFINE(FFI_DEBUG, 1, [Define this if you want extra debugging.]) + fi) + +AC_ARG_ENABLE(structs, +[ --disable-structs omit code for struct support], + if test "$enable_structs" = "no"; then + AC_DEFINE(FFI_NO_STRUCTS, 1, [Define this is you do not want support for aggregate types.]) + fi) + +AC_ARG_ENABLE(raw-api, +[ --disable-raw-api make the raw api unavailable], + if test "$enable_raw_api" = "no"; then + AC_DEFINE(FFI_NO_RAW_API, 1, [Define this is you do not want support for the raw API.]) + fi) + +AC_ARG_ENABLE(purify-safety, +[ --enable-purify-safety purify-safe mode], + if test "$enable_purify_safety" = "yes"; then + AC_DEFINE(USING_PURIFY, 1, [Define this if you are using Purify and want to suppress spurious messages.]) + fi) + +if test -n "$with_cross_host" && + test x"$with_cross_host" != x"no"; then + toolexecdir='$(exec_prefix)/$(target_alias)' + toolexeclibdir='$(toolexecdir)/lib' +else + toolexecdir='$(libdir)/gcc-lib/$(target_alias)' + toolexeclibdir='$(libdir)' +fi +multi_os_directory=`$CC -print-multi-os-directory` +case $multi_os_directory in + .) ;; # Avoid trailing /. + *) toolexeclibdir=$toolexeclibdir/$multi_os_directory ;; +esac +AC_SUBST(toolexecdir) +AC_SUBST(toolexeclibdir) + +if test "${multilib}" = "yes"; then + multilib_arg="--enable-multilib" +else + multilib_arg= +fi + +AC_CONFIG_COMMANDS(include, [test -d include || mkdir include]) +AC_CONFIG_COMMANDS(src, [ +test -d src || mkdir src +test -d src/$TARGETDIR || mkdir src/$TARGETDIR +], [TARGETDIR="$TARGETDIR"]) + +AC_CONFIG_LINKS(include/ffitarget.h:src/$TARGETDIR/ffitarget.h) + +AC_CONFIG_FILES(include/Makefile include/ffi.h Makefile testsuite/Makefile) + +AC_OUTPUT |