--- lib/gvpr/Makefile.am.orig	2014-10-12 12:30:00.897952089 +0200
+++ lib/gvpr/Makefile.am	2014-10-12 12:30:12.929055089 +0200
@@ -52,8 +52,7 @@ libgvpr_la_DEPENDENCIES = $(libgvpr_C_la
 
 mkdefs_SOURCES = mkdefs.c
 
-gdefs.h: $(top_srcdir)/lib/gvpr/gprdata mkdefs
-	./mkdefs gdefs.h < $(top_srcdir)/lib/gvpr/gprdata
+gdefs.h:
 
 EXTRA_DIST = $(man_MANS) $(pdf_DATA) gprdata mkdefs.c gdefs.h trie.c gvprlib.vcproj