diff -aurN uhso-kmod.orig/Makefile uhso-kmod/Makefile
--- uhso-kmod.orig/Makefile	2010-12-02 18:07:03.345982380 +0000
+++ uhso-kmod/Makefile	2010-12-03 07:26:58.369013729 +0000
@@ -25,6 +25,12 @@
 OPTIONS=	UHSOCTL "Build uhsoctl tool" on \
 		DEBUG "Build with debug symbols" off
 
+USE_SRC=	yes
+ONLY_FOR_MINVER=	800064
+ONLY_FOR_MINVER_REASON=	please try comms/hso-kmod instead
+ONLY_FOR_MAXVER=	800500
+ONLY_FOR_MAXVER_REASON=	now available in base
+
 SUB_FILES=	pkg-message
 KMODDIR?=	/boot/modules
 PLIST_SUB+=	KMODDIR=${KMODDIR}
@@ -34,12 +40,6 @@
 
 .include <bsd.port.pre.mk>
 
-.if !exists(/usr/src/sys/Makefile)
-IGNORE=		requires kernel source files
-.elif ${OSVERSION} <= 800063
-IGNORE=		requires FreeBSD 8.0 or later, please try comms/hso-kmod instead
-.endif
-
 .if !defined(WITHOUT_UHSOCTL)
 UHSOCTL_VERSION=	20100416
 DISTFILES+=	uhsoctl-${UHSOCTL_VERSION}${EXTRACT_SUFX}
@@ -54,16 +54,6 @@
 EXTRA_PATCHES+=	${PATCHDIR}/UHSO-NODEBUG-patch-Makefile
 .endif
 
-pre-fetch:
-.if ${OSVERSION} >= 800501
-	@${ECHO_CMD} ""
-	@${ECHO_CMD} "==================================================================="
-	@${ECHO_CMD} " Warning: the uhso driver is already available in the base system,"
-	@${ECHO_CMD} "          you may want to use this version instead of the port."
-	@${ECHO_CMD} "==================================================================="
-	@${ECHO_CMD} ""
-.endif
-
 post-patch:
 .if !defined(WITHOUT_UHSOCTL)
 .if defined(WITH_DEBUG)