I have great problems using Autoconf with m4 1.4.10, so downgrade to 1.4.9 until I figured out the root of the trouble

m4/m4.spec

@@ -32,8 +32,8 @@ Distribution: OpenPKG Community
 Class:        CORE
 Group:        MacroProcessor
 License:      GPL
-Version:      1.4.10
-Release:      20070710
+Version:      1.4.9
+Release:      20070714
 
 #   list of sources
 Source0:      ftp://ftp.gnu.org/gnu/m4/m4-%{version}.tar.gz