File avifile-strict-aliasing-punning.patch of Package avifile

Index: avifile-0.7-0.7.45/configure.in
===================================================================
--- avifile-0.7-0.7.45.orig/configure.in
+++ avifile-0.7-0.7.45/configure.in
@@ -155,8 +155,8 @@ dnl Use -Wall if we have gcc.
 changequote(,)dnl
 
 if test "x$GCC" = "xyes"; then
-    CFLAGS="$CFLAGS -pipe "
-    CXXFLAGS="$CXXFLAGS -pipe "
+    CFLAGS="$CFLAGS -pipe -fno-strict-aliasing"
+    CXXFLAGS="$CXXFLAGS -pipe -fno-strict-aliasing"
 
     case " $CPPFLAGS " in
     *[\ \	]\-Wall[\ \	]*) ;;