Index: devel/boost/Makefile
===================================================================
RCS file: /home/csup/ports/devel/boost/Makefile,v
retrieving revision 1.42
diff -u -p -r1.42 Makefile
--- devel/boost/Makefile	20 Feb 2009 01:13:49 -0000	1.42
+++ devel/boost/Makefile	25 Mar 2009 08:58:48 -0000
@@ -17,6 +17,7 @@ COMMENT=	Free peer-reviewed portable C++
 
 USE_BZIP2=	yes
 USE_LDCONFIG=	yes
+MAKE_JOBS_SAFE=	yes
 WRKSRC=		${WRKDIR}/${PORTNAME}_${PORTVERSION:S/./_/g}
 
 .if defined(WITH_PYTHON) || defined (WITH_PYSTE)
@@ -87,6 +88,7 @@ PLIST_SUB+=	BOOST_PYSTE="@comment "
 BOOST_TOOLS=	gcc
 
 BJAM_OPTIONS=	--layout=system
+BJAM_OPTIONS+=	${_MAKE_JOBS}
 .if defined (WITH_VERBOSE_BUILD)
 BJAM_OPTIONS+=	-d2
 .endif