diff --git a/common/Makefile b/common/Makefile
index 80633b6..241a0a4 100644
--- a/common/Makefile
+++ b/common/Makefile
@@ -1,4 +1,4 @@
-#	$NetBSD: Makefile,v 1.11 2008/05/03 14:48:32 lukem Exp $
+#	$NetBSD: Makefile,v 1.12 2008/08/29 00:02:25 gmcgarry Exp $
 
 LIBISPRIVATE=	yes
 
@@ -14,6 +14,6 @@ version.c: VERSION
 
 .include <bsd.lib.mk>
 
-.if ${HAVE_GCC} == 4
+.if defined(HAVE_GCC) && ${HAVE_GCC} == 4 || defined(HAVE_PCC)
 COPTS.print.c+=	-Wno-pointer-sign
 .endif
diff --git a/mopd/Makefile b/mopd/Makefile
index 26b55e4..0ed1d10 100644
--- a/mopd/Makefile
+++ b/mopd/Makefile
@@ -1,4 +1,4 @@
-#	$NetBSD: Makefile,v 1.9 2006/05/12 01:54:57 mrg Exp $
+#	$NetBSD: Makefile,v 1.10 2008/08/29 00:02:25 gmcgarry Exp $
 
 PROG=	mopd
 SRCS=	mopd.c process.c
@@ -9,6 +9,6 @@ DPADD+=	${LIBUTIL}
 
 .include <bsd.prog.mk>
 
-.if ${HAVE_GCC} == 4
+.if (defined(HAVE_GCC) && ${HAVE_GCC} == 4) || defined(HAVE_PCC)
 COPTS.process.c+=	-Wno-pointer-sign
 .endif
diff --git a/mopprobe/Makefile b/mopprobe/Makefile
index 05fdc5b..04ed629 100644
--- a/mopprobe/Makefile
+++ b/mopprobe/Makefile
@@ -1,9 +1,9 @@
-#	$NetBSD: Makefile,v 1.7 2006/05/12 01:54:57 mrg Exp $
+#	$NetBSD: Makefile,v 1.8 2008/08/29 00:02:25 gmcgarry Exp $
 
 PROG=	mopprobe
 
 .include <bsd.prog.mk>
 
-.if ${HAVE_GCC} == 4
-COPTS+=	-Wno-pointer-sign
+.if (defined(HAVE_GCC) && ${HAVE_GCC} == 4) || defined(HAVE_PCC)
+COPTS.mopprobe.c+=	-Wno-pointer-sign
 .endif