Index: GNUmakefile
===================================================================
--- GNUmakefile	(revision 439)
+++ GNUmakefile	(working copy)
@@ -84,6 +88,8 @@
 
 snowball: $(COMPILER_OBJECTS)
 	$(CC) -o $@ $^
+
+$(COMPILER_OBJECTS): $(COMPILER_HEADERS)
 
 libstemmer/libstemmer.c: libstemmer/libstemmer_c.in
 	sed 's/@MODULES_H@/modules.h/' $^ >$@