Index: bsd.port.mk
===================================================================
--- bsd.port.mk	(revision 373108)
+++ bsd.port.mk	(working copy)
@@ -1402,7 +1402,11 @@
 PKGDIR?=		${MASTERDIR}
 
 .if defined(USE_LINUX_PREFIX)
-PREFIX?=		${LINUXBASE}
+.if defined(LINUX_PREFIX)
+PREFIX=			${LINUX_PREFIX}
+.else
+PREFIX=			${LINUXBASE}
+.endif
 NO_MTREE=		yes
 .else
 PREFIX?=		${LOCALBASE}