Index: libffi/ChangeLog
===================================================================
--- libffi.orig/ChangeLog
+++ libffi/ChangeLog
@@ -2,6 +2,9 @@
 
 	* m4/ax_enable_builddir: Change from string comparison to numeric
 	comparison for wc output. 
+	* configure.ac: Enable FFI_MMAP_EXEC_WRIT for darwin11 aka Mac OS
+	X 10.7.
+	* configure: Rebuilt.
 
 2011-11-10  Richard Henderson  <rth@redhat.com>
 
Index: libffi/configure
===================================================================
--- libffi.orig/configure
+++ libffi/configure
@@ -12240,45 +12240,6 @@ $as_echo "$icc_archflag" >&6; }
      # default optimization flags for gcc on all systems
      CFLAGS="-O3 -fomit-frame-pointer"
 
-     # -malign-double for x86 systems
-      { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts -malign-double" >&5
-$as_echo_n "checking whether C compiler accepts -malign-double... " >&6; }
-if ${ax_cv_c_flags__malign_double+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-
-      ax_save_FLAGS=$CFLAGS
-      CFLAGS="-malign-double"
-      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-
-int
-main ()
-{
-
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  ax_cv_c_flags__malign_double=yes
-else
-  ax_cv_c_flags__malign_double=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-      CFLAGS=$ax_save_FLAGS
-fi
-
-eval ax_check_compiler_flags=$ax_cv_c_flags__malign_double
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_check_compiler_flags" >&5
-$as_echo "$ax_check_compiler_flags" >&6; }
-if test "x$ax_check_compiler_flags" = xyes; then
-	CFLAGS="$CFLAGS -malign-double"
-else
-	:
-fi
-
-
      #  -fstrict-aliasing for gcc-2.95+
       { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts -fstrict-aliasing" >&5
 $as_echo_n "checking whether C compiler accepts -fstrict-aliasing... " >&6; }
@@ -12318,7 +12279,6 @@ else
 fi
 
 
-     # note that we enable "unsafe" fp optimization with other compilers, too
       { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts -ffast-math" >&5
 $as_echo_n "checking whether C compiler accepts -ffast-math... " >&6; }
 if ${ax_cv_c_flags__ffast_math+:} false; then :
@@ -13105,7 +13065,7 @@ case "$host" in
 	TARGET=FRV; TARGETDIR=frv
 	;;
 
-  hppa*-*-linux* | parisc*-*-linux*)
+  hppa*-*-linux* | parisc*-*-linux* | hppa*-*-openbsd*)
 	TARGET=PA_LINUX; TARGETDIR=pa
 	;;
   hppa*64-*-hpux*)
@@ -13155,7 +13115,7 @@ case "$host" in
   mips-sgi-irix5.* | mips-sgi-irix6.* | mips*-*-rtems*)
 	TARGET=MIPS; TARGETDIR=mips
 	;;
-  mips*-*-linux*)
+  mips*-*-linux* | mips*-*-openbsd*)
 	# Support 128-bit long double for NewABI.
 	HAVE_LONG_DOUBLE='defined(__mips64)'
 	TARGET=MIPS; TARGETDIR=mips
@@ -13177,7 +13137,7 @@ case "$host" in
   powerpc-*-aix* | rs6000-*-aix*)
 	TARGET=POWERPC_AIX; TARGETDIR=powerpc
 	;;
-  powerpc-*-freebsd*)
+  powerpc-*-freebsd* | powerpc-*-openbsd*)
 	TARGET=POWERPC_FREEBSD; TARGETDIR=powerpc
 	;;
   powerpc64-*-freebsd*)
@@ -14337,7 +14297,7 @@ case "$target" in
 $as_echo "#define FFI_EXEC_TRAMPOLINE_TABLE 1" >>confdefs.h
 
      ;;
-     *-apple-darwin10* | *-*-freebsd* | *-*-openbsd* | *-pc-solaris*)
+     *-apple-darwin1[10]* | *-*-freebsd* | *-*-openbsd* | *-pc-solaris*)
 
 $as_echo "#define FFI_MMAP_EXEC_WRIT 1" >>confdefs.h
 
Index: libffi/configure.ac
===================================================================
--- libffi.orig/configure.ac
+++ libffi/configure.ac
@@ -339,7 +339,7 @@ case "$target" in
                  [Cannot use PROT_EXEC on this target, so, we revert to
                    alternative means])
      ;;
-     *-apple-darwin10* | *-*-freebsd* | *-*-openbsd* | *-pc-solaris*)
+     *-apple-darwin1[[10]]* | *-*-freebsd* | *-*-openbsd* | *-pc-solaris*)
        AC_DEFINE(FFI_MMAP_EXEC_WRIT, 1,
                  [Cannot use malloc on this target, so, we revert to
                    alternative means])