This file contains the diffs between the files in the libffi
subdirectory and the 'official' source files from
ftp://sourceware.org/pub/libffi/libffi-3.0.9.tar.gz

--- libffi/configure.ac.orig	2009-12-31 13:41:51.000000000 +0100
+++ libffi/configure.ac	2010-02-24 00:39:10.341610848 +0100
@@ -1,4 +1,7 @@
 dnl Process this with autoconf to create configure
+#
+# file from libffi - slightly patched for ctypes
+#
 
 AC_PREREQ(2.63)
 
@@ -91,6 +94,9 @@
   i?86-*-solaris2.1[[0-9]]*)
 	TARGET=X86_64; TARGETDIR=x86
 	;;
+  i*86-*-nto-qnx*) 
+        TARGET=X86; TARGETDIR=x86
+        ;;
   i?86-*-*)
 	TARGET=X86; TARGETDIR=x86
 	;;
@@ -108,12 +114,12 @@
 	;;
 
   mips-sgi-irix5.* | mips-sgi-irix6.*)
-	TARGET=MIPS; TARGETDIR=mips
+	TARGET=MIPS_IRIX; TARGETDIR=mips
 	;;
   mips*-*-linux*)
 	# Support 128-bit long double for NewABI.
 	HAVE_LONG_DOUBLE='defined(__mips64)'
-	TARGET=MIPS; TARGETDIR=mips
+	TARGET=MIPS_IRIX; TARGETDIR=mips
 	;;
 
   powerpc*-*-linux* | powerpc-*-sysv*)
@@ -170,7 +176,7 @@
   AC_MSG_ERROR(["libffi has not been ported to $host."])
 fi
 
-AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
+AM_CONDITIONAL(MIPS,[expr x$TARGET : 'xMIPS' > /dev/null])
 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
 AM_CONDITIONAL(X86, test x$TARGET = xX86)
 AM_CONDITIONAL(X86_FREEBSD, test x$TARGET = xX86_FREEBSD)
@@ -399,6 +405,10 @@
 
 AC_CONFIG_LINKS(include/ffitarget.h:src/$TARGETDIR/ffitarget.h)
 
-AC_CONFIG_FILES(include/Makefile include/ffi.h Makefile testsuite/Makefile man/Makefile libffi.pc)
+AC_CONFIG_FILES(include/ffi.h)
+
+AC_CONFIG_LINKS(include/ffi_common.h:include/ffi_common.h)
+
+AC_CONFIG_FILES(fficonfig.py)
 
 AC_OUTPUT
--- libffi/configure.orig	2009-12-31 13:41:51.000000000 +0100
+++ libffi/configure	2010-02-24 00:41:59.829608794 +0100
@@ -12191,6 +12191,9 @@
   i?86-*-solaris2.1[0-9]*)
 	TARGET=X86_64; TARGETDIR=x86
 	;;
+  i*86-*-nto-qnx*)
+        TARGET=X86; TARGETDIR=x86
+        ;;
   i?86-*-*)
 	TARGET=X86; TARGETDIR=x86
 	;;
@@ -12208,12 +12211,12 @@
 	;;
 
   mips-sgi-irix5.* | mips-sgi-irix6.*)
-	TARGET=MIPS; TARGETDIR=mips
+	TARGET=MIPS_IRIX; TARGETDIR=mips
 	;;
   mips*-*-linux*)
 	# Support 128-bit long double for NewABI.
 	HAVE_LONG_DOUBLE='defined(__mips64)'
-	TARGET=MIPS; TARGETDIR=mips
+	TARGET=MIPS_IRIX; TARGETDIR=mips
 	;;
 
   powerpc*-*-linux* | powerpc-*-sysv*)
@@ -12272,7 +12275,7 @@
    { (exit 1); exit 1; }; }
 fi
 
- if test x$TARGET = xMIPS; then
+ if expr x$TARGET : 'xMIPS' > /dev/null; then
   MIPS_TRUE=
   MIPS_FALSE='#'
 else
@@ -14667,7 +14670,13 @@
 ac_config_links="$ac_config_links include/ffitarget.h:src/$TARGETDIR/ffitarget.h"
 
 
-ac_config_files="$ac_config_files include/Makefile include/ffi.h Makefile testsuite/Makefile man/Makefile libffi.pc"
+ac_config_files="$ac_config_files include/ffi.h"
+
+
+ac_config_links="$ac_config_links include/ffi_common.h:include/ffi_common.h"
+
+
+ac_config_files="$ac_config_files fficonfig.py"
 
 
 cat >confcache <<\_ACEOF
@@ -15767,12 +15776,9 @@
     "include") CONFIG_COMMANDS="$CONFIG_COMMANDS include" ;;
     "src") CONFIG_COMMANDS="$CONFIG_COMMANDS src" ;;
     "include/ffitarget.h") CONFIG_LINKS="$CONFIG_LINKS include/ffitarget.h:src/$TARGETDIR/ffitarget.h" ;;
-    "include/Makefile") CONFIG_FILES="$CONFIG_FILES include/Makefile" ;;
     "include/ffi.h") CONFIG_FILES="$CONFIG_FILES include/ffi.h" ;;
-    "Makefile") CONFIG_FILES="$CONFIG_FILES Makefile" ;;
-    "testsuite/Makefile") CONFIG_FILES="$CONFIG_FILES testsuite/Makefile" ;;
-    "man/Makefile") CONFIG_FILES="$CONFIG_FILES man/Makefile" ;;
-    "libffi.pc") CONFIG_FILES="$CONFIG_FILES libffi.pc" ;;
+    "include/ffi_common.h") CONFIG_LINKS="$CONFIG_LINKS include/ffi_common.h:include/ffi_common.h" ;;
+    "fficonfig.py") CONFIG_FILES="$CONFIG_FILES fficonfig.py" ;;
 
   *) { { $as_echo "$as_me:$LINENO: error: invalid argument: $ac_config_target" >&5
 $as_echo "$as_me: error: invalid argument: $ac_config_target" >&2;}
--- libffi/src/x86/ffi64.c.orig	2009-12-29 16:22:26.000000000 +0100
+++ libffi/src/x86/ffi64.c	2010-02-24 00:36:46.678610932 +0100
@@ -52,7 +52,7 @@
 /* Register class used for passing given 64bit part of the argument.
    These represent classes as documented by the PS ABI, with the exception
    of SSESF, SSEDF classes, that are basically SSE class, just gcc will
-   use SF or DFmode move instead of DImode to avoid reformating penalties.
+   use SF or DFmode move instead of DImode to avoid reformatting penalties.
 
    Similary we play games with INTEGERSI_CLASS to use cheaper SImode moves
    whenever possible (upper half does contain padding).  */
--- libffi/src/x86/ffi.c.orig	2009-12-29 16:22:26.000000000 +0100
+++ libffi/src/x86/ffi.c	2010-02-24 00:36:46.678610932 +0100
@@ -594,10 +594,10 @@
     return FFI_BAD_ABI;
   }
 
-  // we currently don't support certain kinds of arguments for raw
+  /* we currently don't support certain kinds of arguments for raw
   // closures.  This should be implemented by a separate assembly language
   // routine, since it would require argument processing, something we
-  // don't do now for performance.
+  // don't do now for performance. */
 
   for (i = cif->nargs-1; i >= 0; i--)
     {