Index: comms/rxtx/Makefile
===================================================================
--- comms/rxtx/Makefile
+++ comms/rxtx/Makefile
@@ -3,7 +3,7 @@
 
 PORTNAME=	rxtx
 PORTVERSION=	2.2p2
-PORTREVISION=	4
+PORTREVISION=	5
 CATEGORIES=	comms java
 MASTER_SITES=	http://rxtx.qbang.org/pub/rxtx/
 PKGNAMESUFFIX=	-${JAVA_PORT:S/java\///}
@@ -28,6 +28,7 @@
 INSTALL_TARGET=	install-strip
 
 USE_LDCONFIG=	yes
+MAKE_JOBS_UNSAFE=	yes
 
 PLIST_SUB=	JAVA_HOME=${JAVA_HOME:S,^${PREFIX}/,,}
 PLIST_SUB+=	ARCH=${ARCH:C/armv.*/arm/:S/powerpc64/ppc64/}