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-rw-r--r--js/src/ctypes/libffi/configure.ac394
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
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-20 06:00:35 +0000