Index: libffi/ChangeLog.libffi
===================================================================
--- libffi.orig/ChangeLog.libffi
+++ libffi/ChangeLog.libffi
@@ -1,3 +1,10 @@
+2009-12-25  Carlo Bramini  <carlo.bramix@libero.it>
+
+	* configure.ac (AM_LTLDFLAGS): Define for windows hosts.
+	* Makefile.am (libffi_la_LDFLAGS): Add AM_LTLDFLAGS.
+	* configure: Rebuilt.
+	* Makefile.in: Rebuilt.
+
 2009-12-24  Anthony Green  <green@redhat.com>
 
 	* testsuite/libffi.call/huge_struct.c: Fix printf format, and
Index: libffi/Makefile.am
===================================================================
--- libffi.orig/Makefile.am
+++ libffi/Makefile.am
@@ -175,7 +175,7 @@ nodist_libffi_convenience_la_SOURCES = $
 
 AM_CFLAGS = -Wall -g -fexceptions
 
-libffi_la_LDFLAGS = -version-info `grep -v '^\#' $(srcdir)/libtool-version`
+libffi_la_LDFLAGS = -version-info `grep -v '^\#' $(srcdir)/libtool-version` $(AM_LTLDFLAGS)
 
 AM_CPPFLAGS = -I. -I$(top_srcdir)/include -Iinclude -I$(top_srcdir)/src
 AM_CCASFLAGS = $(AM_CPPFLAGS)
Index: libffi/configure.ac
===================================================================
--- libffi.orig/configure.ac
+++ libffi/configure.ac
@@ -85,6 +85,8 @@ case "$host" in
 	;;
   i?86-win32* | i?86-*-cygwin* | i?86-*-mingw*)
 	TARGET=X86_WIN32; TARGETDIR=x86
+	# All mingw/cygwin/win32 builds require this for sharedlib
+	AM_LTLDFLAGS="-no-undefined"
 	;;
   i?86-*-darwin*)
 	TARGET=X86_DARWIN; TARGETDIR=x86