diff --git a/ChangeLog b/ChangeLog
index d8214f759..246c54329 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2005-08-01  Keith Packard  <keithp@keithp.com>
+
+	* hw/dmx/config/Makefile.am:
+	Note yacc and lex generated files as BUILT_SOURCES so
+	they are created before anything is compiled; required
+	for parallel builds
+
 2005-07-06  Alexander Gottwald  <ago@freedesktop.org>
 
 	* configure.ac:
diff --git a/hw/dmx/config/Makefile.am b/hw/dmx/config/Makefile.am
index c761c4838..a4dbbe4ae 100644
--- a/hw/dmx/config/Makefile.am
+++ b/hw/dmx/config/Makefile.am
@@ -14,7 +14,9 @@ LIBSRCS = parser.y \
 parser.h: parser.c
 scanner.c: scanner.l parser.h
 
-CLEANFILES = parser.c parser.h scanner.c
+BUILT_SOURCES = parser.c parser.h scanner.c
+
+CLEANFILES = $(BUILT_SOURCES)
 
 libdmxconfig_a_SOURCES = $(LIBSRCS)