diff --git a/lib/expat/Makefile b/lib/expat/Makefile
index 4fd89d273..e68ccd2f1 100644
--- a/lib/expat/Makefile
+++ b/lib/expat/Makefile
@@ -1,5 +1,5 @@
-# $OpenBSD: Makefile,v 1.4 2006/12/02 16:28:48 matthieu Exp $
-# $OpenBSD: Makefile,v 1.4 2006/12/02 16:28:48 matthieu Exp $
+# $OpenBSD: Makefile,v 1.5 2007/04/07 15:37:50 matthieu Exp $
+# $OpenBSD: Makefile,v 1.5 2007/04/07 15:37:50 matthieu Exp $
 .include <bsd.own.mk>
 
 DIST= ${.CURDIR}
@@ -8,6 +8,7 @@ LIB=		expat
 SRCS=		xmlparse.c xmltok.c xmlrole.c
 CFLAGS+=	-I${.CURDIR}
 CPPFLAGS+=	-DHAVE_EXPAT_CONFIG_H
+DEBUG?=
 
 test:
 	@echo "dist $(DIST)/lib"
diff --git a/lib/freetype/Makefile b/lib/freetype/Makefile
index b16b6fdd1..b041810ca 100644
--- a/lib/freetype/Makefile
+++ b/lib/freetype/Makefile
@@ -1,4 +1,4 @@
-#	$OpenBSD: Makefile,v 1.6 2006/12/23 10:42:41 matthieu Exp $
+#	$OpenBSD: Makefile,v 1.7 2007/04/07 15:37:50 matthieu Exp $
 
 FREETYPESRC=	${.CURDIR}/src
 
@@ -8,6 +8,8 @@ FT_VERSION_INFO= 9.10.3 # Get it from builds/unix/configure.ac
 SUBDIR=	include
 .endif
 
+DEBUG?=
+
 LIB=	freetype
 
 SRCS=   ftapi.c ftbase.c ftbbox.c ftbdf.c ftbitmap.c ftdebug.c ftglyph.c \
diff --git a/lib/libGL/Makefile b/lib/libGL/Makefile
index 2ef8e2492..6a8abdfb3 100644
--- a/lib/libGL/Makefile
+++ b/lib/libGL/Makefile
@@ -1,4 +1,4 @@
-# $OpenBSD: Makefile,v 1.7 2007/04/04 22:33:46 david Exp $
+# $OpenBSD: Makefile,v 1.8 2007/04/07 15:37:50 matthieu Exp $
 
 all: ${OBJS}
 LIB=	GL
@@ -12,7 +12,7 @@ INCSDIR=	${X11BASE}/include/GL
 LDADD=		-L${X11BASE}/lib -lXext -lX11
 
 CPP=	cpp -notraditional
-DEBUG=	
+DEBUG?=
 
 CPPFLAGS+= \
 	-I. \
diff --git a/lib/libGLU/Makefile b/lib/libGLU/Makefile
index 044998ea1..c5943dc03 100644
--- a/lib/libGLU/Makefile
+++ b/lib/libGLU/Makefile
@@ -1,7 +1,8 @@
-# $OpenBSD: Makefile,v 1.5 2007/04/04 22:33:46 david Exp $
+# $OpenBSD: Makefile,v 1.6 2007/04/07 15:37:50 matthieu Exp $
 
 .include <bsd.own.mk>
 USE_GCC3?=No
+DEBUG?=
 
 LIB=	GLU
 
diff --git a/lib/libGLw/Makefile b/lib/libGLw/Makefile
index 24777baaa..521d82807 100644
--- a/lib/libGLw/Makefile
+++ b/lib/libGLw/Makefile
@@ -1,8 +1,10 @@
-# $OpenBSD: Makefile,v 1.4 2006/12/02 16:28:48 matthieu Exp $
+# $OpenBSD: Makefile,v 1.5 2007/04/07 15:37:50 matthieu Exp $
 
 DIST=	${.CURDIR}/../../dist/Mesa
 GLW=	${DIST}/src/glw
 
+DEBUG?=
+
 LIB= GLw
 
 CPPFLAGS += -I${DIST}/include \