Index: trunk/ppMerge/src/ppMergeCheckInputs.c
===================================================================
--- trunk/ppMerge/src/ppMergeCheckInputs.c	(revision 8405)
+++ trunk/ppMerge/src/ppMergeCheckInputs.c	(revision 8781)
@@ -1,2 +1,6 @@
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
 #include <stdio.h>
 #include <assert.h>