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Diffstat (limited to 'js/src/ctypes/libffi/configure.ac')
-rw-r--r-- | js/src/ctypes/libffi/configure.ac | 394 |
1 files changed, 394 insertions, 0 deletions
diff --git a/js/src/ctypes/libffi/configure.ac b/js/src/ctypes/libffi/configure.ac new file mode 100644 index 0000000000..b764368d6a --- /dev/null +++ b/js/src/ctypes/libffi/configure.ac @@ -0,0 +1,394 @@ +dnl Process this with autoconf to create configure + +AC_PREREQ(2.68) + +AC_INIT([libffi], [3.3], [http://github.com/libffi/libffi/issues]) +AC_CONFIG_HEADERS([fficonfig.h]) + +AC_CANONICAL_SYSTEM +target_alias=${target_alias-$host_alias} + +case "${host}" in + frv*-elf) + LDFLAGS=`echo $LDFLAGS | sed "s/\-B[^ ]*libgloss\/frv\///"`\ -B`pwd`/../libgloss/frv/ + ;; +esac + +AX_ENABLE_BUILDDIR + +AM_INIT_AUTOMAKE + +# The same as in boehm-gc and libstdc++. Have to borrow it from there. +# We must force CC to /not/ be precious variables; otherwise +# the wrong, non-multilib-adjusted value will be used in multilibs. +# As a side effect, we have to subst CFLAGS ourselves. +# Also save and restore CFLAGS, since AC_PROG_CC will come up with +# defaults of its own if none are provided. + +m4_rename([_AC_ARG_VAR_PRECIOUS],[real_PRECIOUS]) +m4_define([_AC_ARG_VAR_PRECIOUS],[]) +save_CFLAGS=$CFLAGS +AC_PROG_CC +AC_PROG_CXX +CFLAGS=$save_CFLAGS +m4_undefine([_AC_ARG_VAR_PRECIOUS]) +m4_rename_force([real_PRECIOUS],[_AC_ARG_VAR_PRECIOUS]) + +AC_SUBST(CFLAGS) + +AM_PROG_AS +AM_PROG_CC_C_O +AC_PROG_LIBTOOL +AC_CONFIG_MACRO_DIR([m4]) + +# Test for 64-bit build. +AC_CHECK_SIZEOF([size_t]) + +AX_COMPILER_VENDOR +AX_CC_MAXOPT +# The AX_CFLAGS_WARN_ALL macro doesn't currently work for sunpro +# compiler. +if test "$ax_cv_c_compiler_vendor" != "sun"; then + AX_CFLAGS_WARN_ALL +fi + +if test "x$GCC" = "xyes"; then + CFLAGS="$CFLAGS -fexceptions" +fi + +cat > local.exp <<EOF +set CC_FOR_TARGET "$CC" +set CXX_FOR_TARGET "$CXX" +EOF + +AM_MAINTAINER_MODE + +AC_CHECK_HEADERS(sys/mman.h) +AC_CHECK_FUNCS([mmap mkostemp]) +AC_FUNC_MMAP_BLACKLIST + +dnl The -no-testsuite modules omit the test subdir. +AM_CONDITIONAL(TESTSUBDIR, test -d $srcdir/testsuite) + +TARGETDIR="unknown" +HAVE_LONG_DOUBLE_VARIANT=0 + +. ${srcdir}/configure.host + +if test -n "${UNSUPPORTED}"; then + AC_MSG_ERROR(["libffi has not been ported to $host."]) +fi + +AC_SUBST(AM_RUNTESTFLAGS) +AC_SUBST(AM_LTLDFLAGS) + +AC_HEADER_STDC +AC_CHECK_FUNCS(memcpy) +AC_FUNC_ALLOCA + +AC_CHECK_SIZEOF(double) +AC_CHECK_SIZEOF(long double) + +# Also AC_SUBST this variable for ffi.h. +if test -z "$HAVE_LONG_DOUBLE"; then + HAVE_LONG_DOUBLE=0 + if test $ac_cv_sizeof_long_double != 0; then + if test $HAVE_LONG_DOUBLE_VARIANT != 0; then + AC_DEFINE(HAVE_LONG_DOUBLE_VARIANT, 1, [Define if you support more than one size of the long double type]) + HAVE_LONG_DOUBLE=1 + else + if test $ac_cv_sizeof_double != $ac_cv_sizeof_long_double; then + HAVE_LONG_DOUBLE=1 + AC_DEFINE(HAVE_LONG_DOUBLE, 1, [Define if you have the long double type and it is bigger than a double]) + fi + fi + fi +fi +AC_SUBST(HAVE_LONG_DOUBLE) +AC_SUBST(HAVE_LONG_DOUBLE_VARIANT) + +AC_C_BIGENDIAN + +GCC_AS_CFI_PSEUDO_OP + +case "$TARGET" in + SPARC) + 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 + ;; + + X86*) + AC_CACHE_CHECK([assembler supports pc related relocs], + libffi_cv_as_x86_pcrel, [ + libffi_cv_as_x86_pcrel=no + echo '.text; foo: nop; .data; .long foo-.; .text' > conftest.s + if $CC $CFLAGS -c conftest.s > /dev/null 2>&1; then + libffi_cv_as_x86_pcrel=yes + fi + ]) + if test "x$libffi_cv_as_x86_pcrel" = xyes; then + AC_DEFINE(HAVE_AS_X86_PCREL, 1, + [Define if your assembler supports PC relative relocs.]) + fi + ;; + + S390) + AC_CACHE_CHECK([compiler uses zarch features], + libffi_cv_as_s390_zarch, [ + libffi_cv_as_s390_zarch=no + echo 'void foo(void) { bar(); bar(); }' > conftest.c + if $CC $CFLAGS -S conftest.c > /dev/null 2>&1; then + if grep -q brasl conftest.s; then + libffi_cv_as_s390_zarch=yes + fi + fi + ]) + if test "x$libffi_cv_as_s390_zarch" = xyes; then + AC_DEFINE(HAVE_AS_S390_ZARCH, 1, + [Define if the compiler uses zarch features.]) + fi + ;; +esac + +# On PaX enable kernels that have MPROTECT enable we can't use PROT_EXEC. +AC_ARG_ENABLE(pax_emutramp, + [ --enable-pax_emutramp enable pax emulated trampolines, for we can't use PROT_EXEC], + if test "$enable_pax_emutramp" = "yes"; then + AC_DEFINE(FFI_MMAP_EXEC_EMUTRAMP_PAX, 1, + [Define this if you want to enable pax emulated trampolines]) + fi) + +LT_SYS_SYMBOL_USCORE +if test "x$sys_symbol_underscore" = xyes; then + AC_DEFINE(SYMBOL_UNDERSCORE, 1, [Define if symbols are underscored.]) +fi + +FFI_EXEC_TRAMPOLINE_TABLE=0 +case "$target" in + *arm*-apple-* | aarch64-apple-*) + FFI_EXEC_TRAMPOLINE_TABLE=1 + AC_DEFINE(FFI_EXEC_TRAMPOLINE_TABLE, 1, + [Cannot use PROT_EXEC on this target, so, we revert to + alternative means]) + ;; + *-apple-* | *-*-freebsd* | *-*-kfreebsd* | *-*-openbsd* | *-pc-solaris* | *-linux-android*) + AC_DEFINE(FFI_MMAP_EXEC_WRIT, 1, + [Cannot use malloc on this target, so, we revert to + alternative means]) + ;; +esac +AM_CONDITIONAL(FFI_EXEC_TRAMPOLINE_TABLE, test x$FFI_EXEC_TRAMPOLINE_TABLE = x1) +AC_SUBST(FFI_EXEC_TRAMPOLINE_TABLE) + +if test x$TARGET = xX86_64; then + AC_CACHE_CHECK([toolchain supports unwind section type], + libffi_cv_as_x86_64_unwind_section_type, [ + cat > conftest1.s << EOF +.text +.globl foo +foo: +jmp bar +.section .eh_frame,"a",@unwind +bar: +EOF + + cat > conftest2.c << EOF +extern void foo(); +int main(){foo();} +EOF + + libffi_cv_as_x86_64_unwind_section_type=no + # we ensure that we can compile _and_ link an assembly file containing an @unwind section + # since the compiler can support it and not the linker (ie old binutils) + if $CC -Wa,--fatal-warnings $CFLAGS -c conftest1.s > /dev/null 2>&1 && \ + $CC conftest2.c conftest1.o > /dev/null 2>&1 ; then + libffi_cv_as_x86_64_unwind_section_type=yes + fi + ]) + if test "x$libffi_cv_as_x86_64_unwind_section_type" = xyes; then + AC_DEFINE(HAVE_AS_X86_64_UNWIND_SECTION_TYPE, 1, + [Define if your assembler supports unwind section type.]) + fi +fi + +if test "x$GCC" = "xyes"; then + 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 $CFLAGS -c -fpic -fexceptions -o conftest.o conftest.c > /dev/null 2>&1; then + objdump -h conftest.o > conftest.dump 2>&1 + libffi_eh_frame_line=`grep -n eh_frame conftest.dump | cut -d: -f 1` + if test "x$libffi_eh_frame_line" != "x"; then + libffi_test_line=`expr $libffi_eh_frame_line + 1`p + sed -n $libffi_test_line conftest.dump > conftest.line + if grep READONLY conftest.line > /dev/null; then + libffi_cv_ro_eh_frame=yes + fi + fi + fi + rm -f conftest.* + ]) + if test "x$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 egrep '(\.hidden|\.private_extern).*foo' conftest.s >/dev/null; then + libffi_cv_hidden_visibility_attribute=yes + fi + fi + rm -f conftest.* + ]) + if test $libffi_cv_hidden_visibility_attribute = yes; then + AC_DEFINE(HAVE_HIDDEN_VISIBILITY_ATTRIBUTE, 1, + [Define if __attribute__((visibility("hidden"))) is supported.]) + fi +fi + +AC_ARG_ENABLE(docs, + AC_HELP_STRING([--disable-docs], + [Disable building of docs (default: no)]), + [enable_docs=no], + [enable_docs=yes]) +AM_CONDITIONAL(BUILD_DOCS, [test x$enable_docs = xyes]) + +AH_BOTTOM([ +#ifdef HAVE_HIDDEN_VISIBILITY_ATTRIBUTE +#ifdef LIBFFI_ASM +#ifdef __APPLE__ +#define FFI_HIDDEN(name) .private_extern name +#else +#define FFI_HIDDEN(name) .hidden name +#endif +#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) + +changequote(<,>) +TARGET_OBJ= +for i in $SOURCES; do + TARGET_OBJ="${TARGET_OBJ} src/${TARGETDIR}/"`echo $i | sed 's/[cS]$/lo/'` +done +changequote([,]) +AC_SUBST(TARGET_OBJ) + +AC_SUBST(SHELL) + +AC_ARG_ENABLE(debug, +[ --enable-debug debugging mode], + if test "$enable_debug" = "yes"; then + AC_DEFINE(FFI_DEBUG, 1, [Define this if you want extra debugging.]) + fi) +AM_CONDITIONAL(FFI_DEBUG, test "$enable_debug" = "yes") + +AC_ARG_ENABLE(structs, +[ --disable-structs omit code for struct support], + if test "$enable_structs" = "no"; then + AC_DEFINE(FFI_NO_STRUCTS, 1, [Define this if you do not want support for aggregate types.]) + fi) +AM_CONDITIONAL(FFI_DEBUG, test "$enable_debug" = "yes") + +AC_ARG_ENABLE(raw-api, +[ --disable-raw-api make the raw api unavailable], + if test "$enable_raw_api" = "no"; then + AC_DEFINE(FFI_NO_RAW_API, 1, [Define this if you do not want support for the raw API.]) + fi) + +AC_ARG_ENABLE(purify-safety, +[ --enable-purify-safety purify-safe mode], + if test "$enable_purify_safety" = "yes"; then + AC_DEFINE(USING_PURIFY, 1, [Define this if you are using Purify and want to suppress spurious messages.]) + fi) + +AC_ARG_ENABLE(multi-os-directory, +[ --disable-multi-os-directory + disable use of gcc --print-multi-os-directory to change the library installation directory]) + +# These variables are only ever used when we cross-build to X86_WIN32. +# And we only support this with GCC, so... +if test "x$GCC" = "xyes"; then + if test -n "$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='${libdir}' + fi + if test x"$enable_multi_os_directory" != x"no"; then + multi_os_directory=`$CC $CFLAGS -print-multi-os-directory` + case $multi_os_directory in + .) ;; # Avoid trailing /. + ../*) toolexeclibdir=$toolexeclibdir/$multi_os_directory ;; + esac + fi + AC_SUBST(toolexecdir) +else + toolexeclibdir='${libdir}' +fi +AC_SUBST(toolexeclibdir) + +# Check linker support. +LIBFFI_ENABLE_SYMVERS + +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_FILES(include/Makefile include/ffi.h Makefile testsuite/Makefile man/Makefile doc/Makefile libffi.pc) + +AC_OUTPUT + +# Copy this file instead of using AC_CONFIG_LINK in order to support +# compiling with MSVC, which won't understand cygwin style symlinks. +cp ${srcdir}/src/$TARGETDIR/ffitarget.h include/ffitarget.h |