echo 'Creating brew-patch.diff'
cat << EOF >> brew-patch.diff
diff --git a/configure b/configure
index 05bfa9b..a73608e 100755
--- a/configure
+++ b/configure
@@ -399,13 +399,13 @@ if test -n "$sharedir"; then
     uadedatadir="$sharedir"
 fi
 
-$NATIVECC -v 2>/dev/null >/dev/null
+$NATIVECC --version 2>/dev/null >/dev/null
 if test "$?" != "0"; then
     echo Native CC "$NATIVECC" not found, please install a C compiler
     exit 1
 fi
 
-$TARGETCC -v 2>/dev/null >/dev/null
+$TARGETCC --version 2>/dev/null >/dev/null
 if test "$?" != "0"; then
     echo Target CC "$TARGETCC" not found, please install a C compiler
     exit 1
EOF