diff -r 60b7ebc4709a -r b38f4954e4ed scripts/build/companion_tools/100-m4.sh
--- a/scripts/build/companion_tools/100-m4.sh	Tue Jan 12 21:47:14 2010 +0000
+++ b/scripts/build/companion_tools/100-m4.sh	Thu Jul 15 10:18:40 2010 +0200
@@ -9,7 +9,7 @@
 
 do_companion_tools_m4_extract() {
     CT_Extract "m4-${CT_M4_VERSION}"
-    CT_Patch "m4-${CT_M4_VERSION}"
+    CT_Patch "m4" "${CT_M4_VERSION}"
 }
 
 do_companion_tools_m4_build() {