diff --git a/sysutils/lsof/Makefile b/sysutils/lsof/Makefile
index 98b1d133acab..e0b198b1023e 100644
--- a/sysutils/lsof/Makefile
+++ b/sysutils/lsof/Makefile
@@ -4,11 +4,11 @@
 # Date created:         Sat July 20, 1996
 # Whom:                 David O'Brien (obrien@FreeBSD.org)
 #
-# $Id: Makefile,v 1.24 1998/08/07 16:28:08 obrien Exp $
+# $Id: Makefile,v 1.25 1998/09/16 04:14:26 obrien Exp $
 #
 
-DISTNAME=	lsof_4.37_W
-PKGNAME=	lsof-4.37
+DISTNAME=	lsof_4.38_W
+PKGNAME=	lsof-4.38
 CATEGORIES=	sysutils
 MASTER_SITES=	ftp://vic.cc.purdue.edu/pub/tools/unix/lsof/  \
 		ftp://vic.cc.purdue.edu/pub/tools/unix/lsof/patches/4.37/ \
@@ -16,8 +16,6 @@ MASTER_SITES=	ftp://vic.cc.purdue.edu/pub/tools/unix/lsof/  \
 		ftp://ftp.auscert.org.au/pub/mirrors/vic.cc.purdue.edu/lsof/  \
 		ftp://ftp.web.ad.jp/pub/UNIX/tools/lsof/  \
 		ftp://ftp.sunet.se/pub/unix/admin/lsof/
-DISTFILES=	${DISTNAME}${EXTRACT_SUFX} freebsd_3.0_patch
-EXTRACT_ONLY=	${DISTNAME}${EXTRACT_SUFX}
 
 MAINTAINER=     obrien@FreeBSD.org
 
@@ -55,5 +53,14 @@ do-install:
 	${INSTALL_SCRIPT} ${WRKSRC}/scripts/* ${PREFIX}/share/lsof
 	@/bin/chmod 0444 ${PREFIX}/share/lsof/00*
 
+post-install:
+	@${ECHO} "************************************************************"
+	@${ECHO} "*                      W a r n i n g                       *"
+	@${ECHO} "* A more capable version of LSOF is built if you have      *"
+	@${ECHO} "* kernel source installed and /sys exists.                 *"
+	@${ECHO} "* If this is the case, please ensure /sys is consistant    *"
+	@${ECHO} "* with respect to your running kernel (i.e. not new than). *"
+	@${ECHO} "************************************************************"
+
 
 .include <bsd.port.mk>
diff --git a/sysutils/lsof/distinfo b/sysutils/lsof/distinfo
index ba1046b4c4d2..6b2330464cc8 100644
--- a/sysutils/lsof/distinfo
+++ b/sysutils/lsof/distinfo
@@ -1,2 +1 @@
-MD5 (lsof_4.37_W.tar.gz) = 12fb610e5335d92a500b5f73a2ca0822
-MD5 (freebsd_3.0_patch) = 04c33bc811b004f11de3b50d76f1863c
+MD5 (lsof_4.38_W.tar.gz) = 012257fa22a53fe2d3722948d5a1f755