diff -Naur -x '*~' mgcomp-1.4.3/configure mgcomp-1.4.3-fix-dyalog-test/configure
--- mgcomp-1.4.3/configure	2008-04-01 15:08:11.000000000 +0200
+++ mgcomp-1.4.3-fix-dyalog-test/configure	2010-01-17 00:39:24.000000000 +0100
@@ -5998,6 +5998,10 @@
 #include <stdio.h>
 #include <libdyalog.h>
 
+int main_directive_initialization()
+{
+}
+
 int
 main_initialization() /* libdyalog already defines main */
 {