- Mark MAKE_JOBS_UNSAFE

Reported by:	pointyhat

87 files changed, 89 insertions, 2 deletions

diff --git a/archivers/unadf/Makefile b/archivers/unadf/Makefile
index f8c10b685515..f1d715dff873 100644
--- a/archivers/unadf/Makefile
+++ b/archivers/unadf/Makefile
@@ -20,6 +20,7 @@ PLIST_FILES=	bin/unadf
 PORTDOCS=	API.txt api_device.html api_dir.html api_env.html api_file.html \
 		api_index.html api_native.html api_salv.html api_volume.html
 USE_ZIP=	yes
+MAKE_JOBS_UNSAFE=	yes
 
 post-patch:
 	@${REINPLACE_CMD} -e "s@tests lib demo@lib demo@g" ${WRKSRC}/Makefile
diff --git a/astro/wmspaceweather/Makefile b/astro/wmspaceweather/Makefile
index 2f53940a12d1..48c8e2f6aa9f 100644
--- a/astro/wmspaceweather/Makefile
+++ b/astro/wmspaceweather/Makefile
@@ -22,6 +22,7 @@ EXTRACT_BEFORE_ARGS=
 
 USE_XORG=	x11 xext xpm
 ALL_TARGET=	clean all
+MAKE_JOBS_UNSAFE=	yes
 
 MAN1=	wmSpaceWeather.1
 
diff --git a/astro/wmsun/Makefile b/astro/wmsun/Makefile
index 1d1bebc66986..6cbe087eade8 100644
--- a/astro/wmsun/Makefile
+++ b/astro/wmsun/Makefile
@@ -20,6 +20,7 @@ USE_XORG=	xext xpm x11
 ALL_TARGET=	clean all
 MAKE_ARGS=	CC="${CC}" CFLAGS="${CFLAGS}" \
 		INCDIR="-I${LOCALBASE}/include" LIBDIR="-L${LOCALBASE}/lib"
+MAKE_JOBS_UNSAFE=	yes
 
 MAN1=		wmSun.1
 PLIST_FILES=	bin/wmSun
diff --git a/astro/xephem/Makefile b/astro/xephem/Makefile
index a098abff8128..91f4beee7781 100644
--- a/astro/xephem/Makefile
+++ b/astro/xephem/Makefile
@@ -18,6 +18,7 @@ LIB_DEPENDS=	png.5:${PORTSDIR}/graphics/png \
 
 USE_MOTIF=	yes
 USE_GMAKE=	yes
+MAKE_JOBS_UNSAFE=	yes
 
 WRKSRC=		${WRKDIR}/${DISTNAME}/GUI/xephem
 
diff --git a/astro/xrmap/Makefile b/astro/xrmap/Makefile
index ddb7a525afe0..cb114aeb6245 100644
--- a/astro/xrmap/Makefile
+++ b/astro/xrmap/Makefile
@@ -37,6 +37,7 @@ MAN1=		emx.1 xrmap.1
 PORTDOCS=	*
 
 MAKE_ARGS=	DESTDIR="${PREFIX}"
+MAKE_JOBS_UNSAFE=	yes
 
 post-extract:
 	@${BZIP2_CMD} -dc ${_DISTDIR}/${CIAFILE} >${WRKDIR}/CIA_WDB2.jpd
diff --git a/audio/qsynth/Makefile b/audio/qsynth/Makefile
index d8ad7def9b15..f850138b987e 100644
--- a/audio/qsynth/Makefile
+++ b/audio/qsynth/Makefile
@@ -24,5 +24,6 @@ CFLAGS+=	-I${QT_INCDIR} ${PTHREAD_CFLAGS} ${PTHREAD_LIBS}
 LDFLAGS+=	-L${QT_LIBDIR}
 CONFIGURE_ARGS+=ac_cv_path_ac_moc=${LOCALBASE}/bin/moc-qt4 ac_cv_path_ac_uic=${LOCALBASE}/bin/uic-qt4 \
 		ac_cv_path_ac_qmake=${LOCALBASE}/bin/qmake-qt4
+MAKE_JOBS_UNSAFE=	yes
 
 .include <bsd.port.mk>
diff --git a/audio/rosegarden/Makefile b/audio/rosegarden/Makefile
index 886ec275049e..2e16ef00d955 100644
--- a/audio/rosegarden/Makefile
+++ b/audio/rosegarden/Makefile
@@ -21,6 +21,7 @@ RUN_DEPENDS=	${LOCALBASE}/lib/tclmidi/tclmidi31.so:${PORTSDIR}/audio/tclmidi
 USE_XORG=	xaw
 USE_AUTOTOOLS=	autoconf:213
 CONFIGURE_ARGS=	--with-tclincl=${LOCALBASE}/include/tcl8.2
+MAKE_JOBS_UNSAFE=	yes
 
 post-patch:
 	@${CP} ${FILESDIR}/rosegarden ${WRKSRC}/rosegarden.sh
diff --git a/audio/snd/Makefile b/audio/snd/Makefile
index 943b08077015..4cd2f6a8c7f0 100644
--- a/audio/snd/Makefile
+++ b/audio/snd/Makefile
@@ -32,6 +32,7 @@ CONFIGURE_ENV=	CPPFLAGS="${CPPFLAGS}" LDFLAGS="${LDFLAGS}"
 CONFIGURE_ARGS=	--with-float-samples
 MAKEFILE=	makefile
 ALL_TARGET=	audinfo snd snd-info sndplay sndrecord
+MAKE_JOBS_UNSAFE=	yes
 
 MAN1=		snd.1
 
diff --git a/audio/tracker/Makefile b/audio/tracker/Makefile
index 2ef0fc2195d9..1acc7da4571c 100644
--- a/audio/tracker/Makefile
+++ b/audio/tracker/Makefile
@@ -22,6 +22,7 @@ INSTALL_TARGET=	install install.info
 MAKE_ARGS=	CC="${CC}" PREFIX="${PREFIX}" \
 		MACHINE=freebsd COMPRESSION_FILE="${PREFIX}/etc/compression_methods" \
 		CFLAGS="${CFLAGS} -funroll-loops -finline-functions"
+MAKE_JOBS_UNSAFE=	yes
 
 INFO=		tracker
 PLIST_FILES=	bin/randomize bin/tracker etc/compression_methods
diff --git a/audio/tse3/Makefile b/audio/tse3/Makefile
index 24b679f6ea41..851eed99c5f9 100644
--- a/audio/tse3/Makefile
+++ b/audio/tse3/Makefile
@@ -18,6 +18,7 @@ USE_AUTOTOOLS=	libtool:22
 CONFIGURE_ARGS=	--without-doc-install
 CONFIGURE_ENV=	CPPFLAGS="${PTHREAD_CFLAGS}" LDFLAGS="${PTHREAD_LIBS}"
 USE_LDCONFIG=	yes
+MAKE_JOBS_UNSAFE=	yes
 
 MAN1=		tse3play.1
 MAN3=		tse3.3
diff --git a/audio/xwave/Makefile b/audio/xwave/Makefile
index a683d6cf2b3c..ee42060b870c 100644
--- a/audio/xwave/Makefile
+++ b/audio/xwave/Makefile
@@ -19,6 +19,7 @@ COMMENT=	Audio player/recorder/editor for the X Window System
 WRKSRC=		${WRKDIR}/${PORTNAME}2-981109
 USE_IMAKE=	yes
 USE_XORG=	xaw
+MAKE_JOBS_UNSAFE=	yes
 
 DOC_FILES=	README README-XWAVE2 README.v06 INSTALL
 
diff --git a/audio/zynaddsubfx/Makefile b/audio/zynaddsubfx/Makefile
index 1fc21d6e1717..f60c23bdff04 100644
--- a/audio/zynaddsubfx/Makefile
+++ b/audio/zynaddsubfx/Makefile
@@ -36,6 +36,7 @@ WRKSRC=		${WRKDIR}/${DISTNAME}/src
 USE_BZIP2=	yes
 USE_GMAKE=	yes
 CFLAGS+=	-I${LOCALBASE}/include -I${LOCALBASE}/include/dssi
+MAKE_JOBS_UNSAFE=	yes
 
 do-install:
 		${INSTALL_PROGRAM} ${WRKSRC}/zynaddsubfx ${PREFIX}/bin
diff --git a/benchmarks/super-smack/Makefile b/benchmarks/super-smack/Makefile
index 1e613bef8f9b..376815d65d95 100644
--- a/benchmarks/super-smack/Makefile
+++ b/benchmarks/super-smack/Makefile
@@ -16,6 +16,7 @@ COMMENT=	A benchmarking, stress testing, and load generation tool for Databases
 
 GNU_CONFIGURE=	yes
 CONFIGURE_ARGS+=	--with-smacks-dir=${DATADIR}
+MAKE_JOBS_UNSAFE=	yes
 
 PORTDOCS=	README TUTORIAL
 
diff --git a/benchmarks/thrulay/Makefile b/benchmarks/thrulay/Makefile
index 7f56099997f4..4d5da2112842 100644
--- a/benchmarks/thrulay/Makefile
+++ b/benchmarks/thrulay/Makefile
@@ -21,6 +21,7 @@ USE_GMAKE=	yes
 USE_LDCONFIG=	yes
 USE_RC_SUBR=	thrulayd
 SUB_FILES=	thrulayd
+MAKE_JOBS_UNSAFE=	yes
 
 PORTDOCS=	ChangeLog README thrulay-protocol.txt thrulay-index.html
 
diff --git a/benchmarks/unixbench/Makefile b/benchmarks/unixbench/Makefile
index 4444efc2957e..fd705e92a587 100644
--- a/benchmarks/unixbench/Makefile
+++ b/benchmarks/unixbench/Makefile
@@ -16,6 +16,7 @@ MAINTAINER=	ports@FreeBSD.org
 COMMENT=	The BYTE magazine's Public Domain benchmark for UNIX
 
 SUB_FILES=	unixbench
+MAKE_JOBS_UNSAFE=	yes
 
 post-extract:
 	${RM} -f ${WRKSRC}/pgms/select
diff --git a/cad/sceptre/Makefile b/cad/sceptre/Makefile
index 111cbff2aae8..d4146d670fab 100644
--- a/cad/sceptre/Makefile
+++ b/cad/sceptre/Makefile
@@ -18,6 +18,8 @@ COMMENT=	SCEPTRE is a general purpose circuit analysis program
 SUB_FILES+=	pkg-message
 .endif
 
+MAKE_JOBS_UNSAFE=	yes
+
 .include <bsd.port.pre.mk>
 
 USE_FORTRAN=	g77
diff --git a/cad/slffea/Makefile b/cad/slffea/Makefile
index ea896c25debe..f81d40f88cf4 100644
--- a/cad/slffea/Makefile
+++ b/cad/slffea/Makefile
@@ -24,6 +24,7 @@ USE_GL=		glut
 CFLAGS+=	-I${LOCALBASE}/include ${PTHREAD_CFLAGS}
 WRKSRC=		${WRKDIR}/${PORTNAME}-1.3
 ALL_TARGET=	everything
+MAKE_JOBS_UNSAFE=	yes
 
 EXEC=	beam/beam/bm beam/beam_gr/bmpost brick/brick/br \
 	brick/brick_gr/brpost brick/brick_gr/pvbr \
diff --git a/cad/spice/Makefile b/cad/spice/Makefile
index 4a4ec2379b94..9238d5f70d6d 100644
--- a/cad/spice/Makefile
+++ b/cad/spice/Makefile
@@ -25,6 +25,7 @@ MAN5=		mfbcap.5
 MLINKS=		spice.1 spice3.1
 MAKEFILE=	${FILESDIR}/Makefile
 MAKE_ENV+=	STRIP_CMD=${STRIP_CMD}
+MAKE_JOBS_UNSAFE=	yes
 
 .ifdef WITHOUT_X11
 PKGNAMESUFFIX=	-without-x11
diff --git a/cad/varkon/Makefile b/cad/varkon/Makefile
index 622869b00316..e5123cee07cc 100644
--- a/cad/varkon/Makefile
+++ b/cad/varkon/Makefile
@@ -25,6 +25,7 @@ ALL_TARGET=
 VARKON_ROOT=	${WRKDIR}/Varkon_${PORTVERSION}
 WRKSRC=		${VARKON_ROOT}/sources
 USE_DOS2UNIX=	Makefile
+MAKE_JOBS_UNSAFE=	yes
 
 VARKON_PREFIX=	${PREFIX}/share/varkon
 WEB_BROWSER?=	firefox
diff --git a/chinese/autoconvert/Makefile b/chinese/autoconvert/Makefile
index 90aa733ae729..6534de2de9e4 100644
--- a/chinese/autoconvert/Makefile
+++ b/chinese/autoconvert/Makefile
@@ -17,6 +17,7 @@ COMMENT=	Intelligent Chinese encoding converter
 
 MAKE_ENV=	CFLAG="${CPPFLAGS}" LIBS="${LDFLAGS}"
 USE_LDCONFIG=	yes
+MAKE_JOBS_UNSAFE=	yes
 
 post-patch:
 	@${REINPLACE_CMD} -e "s|^CFLAGS|#CFLAGS|" \
diff --git a/chinese/cxterm/Makefile b/chinese/cxterm/Makefile
index 25b402ad4595..71d032bef544 100644
--- a/chinese/cxterm/Makefile
+++ b/chinese/cxterm/Makefile
@@ -39,6 +39,7 @@ MANCOMPRESSED=	yes
 
 XMKMF=		xmkmf
 ALL_TARGET=	xrelease Makefiles includes all
+MAKE_JOBS_UNSAFE=	yes
 
 .include <bsd.port.pre.mk>
 
diff --git a/chinese/miniChinput/Makefile b/chinese/miniChinput/Makefile
index ac8bc606728d..e09914f01f64 100644
--- a/chinese/miniChinput/Makefile
+++ b/chinese/miniChinput/Makefile
@@ -22,6 +22,7 @@ USE_XORG=	x11 xt
 USE_LDCONFIG=	yes
 ALL_TARGET=	all data
 INSTALL_TARGET=	install data-install
+MAKE_JOBS_UNSAFE=	yes
 
 MAN1=		chinput.1
 
diff --git a/chinese/scim-fcitx/Makefile b/chinese/scim-fcitx/Makefile
index 3e831f9b774f..0f6013694341 100644
--- a/chinese/scim-fcitx/Makefile
+++ b/chinese/scim-fcitx/Makefile
@@ -22,6 +22,7 @@ BUILD_DEPENDS=	${RUN_DEPENDS}
 USE_BZIP2=	yes
 USE_GMAKE=	yes
 GNU_CONFIGURE=	yes
+MAKE_JOBS_UNSAFE=	yes
 
 WRKSRC=		${WRKDIR}/fcitx
 
diff --git a/comms/qfaxreader/Makefile b/comms/qfaxreader/Makefile
index 8e949fec7c13..3fc3725978c6 100644
--- a/comms/qfaxreader/Makefile
+++ b/comms/qfaxreader/Makefile
@@ -24,6 +24,7 @@ USE_GMAKE=	yes
 USE_QT_VER=	3
 CONFIGURE_ENV=	PTHREAD_LIBS=${PTHREAD_LIBS}
 CONFIGURE_ARGS=	--with-docdir=${DOCSDIR}
+MAKE_JOBS_UNSAFE=	yes
 
 MAN1=		qfaxreader.1
 MANCOMPRESSED=	yes
diff --git a/comms/seyon/Makefile b/comms/seyon/Makefile
index fc04ac0336ad..70e3ee346937 100644
--- a/comms/seyon/Makefile
+++ b/comms/seyon/Makefile
@@ -19,6 +19,7 @@ COMMENT=	A communications package for the X Window system
 WRKSRC=		${WRKDIR}/seyon
 USE_IMAKE=	yes
 USE_XORG=	x11 xext xpm xmu xaw xt sm ice
+MAKE_JOBS_UNSAFE=	yes
 
 MAN1=		seyon.1
 
diff --git a/comms/sms_client/Makefile b/comms/sms_client/Makefile
index b6a117b5452f..fd211c7d0cbb 100644
--- a/comms/sms_client/Makefile
+++ b/comms/sms_client/Makefile
@@ -16,6 +16,7 @@ MAINTAINER=		ports@FreeBSD.org
 COMMENT=	A simple UNIX SMS client to send messages to phones or pagers
 
 HAS_CONFIGURE=		yes
+MAKE_JOBS_UNSAFE=	yes
 
 MAN1=			sms_client.1
 
diff --git a/comms/trustedqsl/Makefile b/comms/trustedqsl/Makefile
index 47308c57f52f..35b6b833663f 100644
--- a/comms/trustedqsl/Makefile
+++ b/comms/trustedqsl/Makefile
@@ -21,6 +21,7 @@ USE_PERL5=	yes
 USE_WX=		2.6
 USE_LDCONFIG=	yes
 MAKE_ENV=	INCDIR="-I${LOCALBASE}/include" LDFLAGS="-L${LOCALBASE}/lib"
+MAKE_JOBS_UNSAFE=	yes
 
 WRKSRC=		${WRKDIR}/${PORTNAME}-${PORTVERSION}
 
diff --git a/databases/typhoon/Makefile b/databases/typhoon/Makefile
index 2bd781fcaddd..57b01d09e86b 100644
--- a/databases/typhoon/Makefile
+++ b/databases/typhoon/Makefile
@@ -17,6 +17,7 @@ COMMENT=	A relational database library
 
 HAS_CONFIGURE=	yes
 USE_LDCONFIG=	yes
+MAKE_JOBS_UNSAFE=	yes
 
 MAN1=	ddlp.1
 MAN3=	d_close.3 d_crget.3 d_crread.3 d_crset.3 d_dbdpath.3 d_dbfpath.3 \
diff --git a/databases/wmjsql/Makefile b/databases/wmjsql/Makefile
index 72f5f829404a..6ff34de2f14d 100644
--- a/databases/wmjsql/Makefile
+++ b/databases/wmjsql/Makefile
@@ -20,6 +20,7 @@ USE_GMAKE=	yes
 USE_XORG=	xpm
 
 ALL_TARGET=	clean all
+MAKE_JOBS_UNSAFE=	yes
 
 WRKSRC=		${WRKDIR}/${PORTNAME}/src
 
diff --git a/databases/xbsql/Makefile b/databases/xbsql/Makefile
index bb40d3e21026..b25db8fdc424 100644
--- a/databases/xbsql/Makefile
+++ b/databases/xbsql/Makefile
@@ -20,6 +20,7 @@ USE_AUTOTOOLS=	libtool:22
 USE_BISON=	build
 GNU_CONFIGURE=	yes
 USE_LDCONFIG=	yes
+MAKE_JOBS_UNSAFE=	yes
 
 LB2FIX=		Makefile.in test/Makefile.in xbsql/Makefile.in
 
diff --git a/devel/9base/Makefile b/devel/9base/Makefile
index 493a0af4c214..8e0c5173c2fb 100644
--- a/devel/9base/Makefile
+++ b/devel/9base/Makefile
@@ -19,7 +19,7 @@ LDFLAGS+=	-L.
 MANPREFIX=	${PREFIX}/9
 MAKE_ARGS=	PREFIX="${PREFIX}/9" CC="${CC}" MANPREFIX="${MANPREFIX}/man" \
 		CFLAGS="${CFLAGS}" LDFLAGS="${LDFLAGS}"
-MAKE_JOB_SAFE=	yes
+MAKE_JOBS_UNSAFE=	yes
 APPS=		awk basename bc cat cleanname date dc echo grep mk rc sed \
 		seq sleep sort tee test touch tr uniq yacc
 MAN1=		${APPS:S|$|.1|}
diff --git a/devel/qgit/Makefile b/devel/qgit/Makefile
index 881fc5c8c41f..53205ddd7a8a 100644
--- a/devel/qgit/Makefile
+++ b/devel/qgit/Makefile
@@ -17,6 +17,7 @@ COMMENT=	A graphical interface to git repositories
 USE_BZIP2=	yes
 USE_QT_VER=	4
 QT_COMPONENTS=	corelib gui moc_build qmake_build rcc_build uic_build
+MAKE_JOBS_UNSAFE=	yes
 
 WRKSRC=		${WRKDIR}/${PORTNAME}
 
diff --git a/devel/roboctl/Makefile b/devel/roboctl/Makefile
index d793c423b594..e7da1e95b18f 100644
--- a/devel/roboctl/Makefile
+++ b/devel/roboctl/Makefile
@@ -17,6 +17,7 @@ COMMENT=	API and tools for communicating with Lego and Vex robots
 BUILD_DEPENDS=	${LOCALBASE}/lib/libgamepad.a:${PORTSDIR}/devel/libgamepad
 
 MAKE_ENV=	EXTRALIBS=-lbluetooth
+MAKE_JOBS_UNSAFE=	yes
 
 OPTIONS=	CUTECOM "Install cutecom for Vex debugging" On
 
diff --git a/devel/sgb/Makefile b/devel/sgb/Makefile
index c0416ca6a9cd..418b4d63bdfa 100644
--- a/devel/sgb/Makefile
+++ b/devel/sgb/Makefile
@@ -20,6 +20,7 @@ BUILD_DEPENDS=	ctangle:${PORTSDIR}/devel/cweb
 
 NO_WRKSUBDIR=	yes
 ALL_TARGET=	lib tests
+MAKE_JOBS_UNSAFE=	yes
 
 .include <bsd.port.pre.mk>
 
diff --git a/devel/shapelib/Makefile b/devel/shapelib/Makefile
index 1a855a6c1a4e..b60bcd375641 100644
--- a/devel/shapelib/Makefile
+++ b/devel/shapelib/Makefile
@@ -18,6 +18,7 @@ COMMENT=	C API for reading and writing ArcView Shapefiles
 USE_AUTOTOOLS=	libtool:22:env
 USE_LDCONFIG=	yes
 WRKSRC=		${WRKDIR}/${PORTNAME}-${SHAPELIB_VER}
+MAKE_JOBS_UNSAFE=	yes
 
 OPTIONS=	PROJ4 "Cartographic Projections library" off
 
diff --git a/devel/sid/Makefile b/devel/sid/Makefile
index a4012bbb6e35..e326da537aa5 100644
--- a/devel/sid/Makefile
+++ b/devel/sid/Makefile
@@ -16,6 +16,7 @@ COMMENT=	A LL(1) parser generator
 CONFLICTS=	TenDRA-4.2*
 
 INSTALL_TARGET=	install DESTDIR=${PREFIX}
+MAKE_JOBS_UNSAFE=	yes
 
 USE_PERL5=	yes
 
diff --git a/devel/smv/Makefile b/devel/smv/Makefile
index 9a3e4d7ef9c2..0f75986f1699 100644
--- a/devel/smv/Makefile
+++ b/devel/smv/Makefile
@@ -17,6 +17,7 @@ COMMENT=	Symbolic Model Verifier System for checking finite state systems
 WRKSRC=		${WRKDIR}/${PORTNAME}
 ALL_TARGET=	${PORTNAME}
 MAKEFILE=	makefile
+MAKE_JOBS_UNSAFE=	yes
 
 MAN1=		smv.1
 
diff --git a/devel/srecord/Makefile b/devel/srecord/Makefile
index d135bed66385..c0e7bfd2a033 100644
--- a/devel/srecord/Makefile
+++ b/devel/srecord/Makefile
@@ -20,6 +20,7 @@ LIB_DEPENDS=	gcrypt.16:${PORTSDIR}/security/libgcrypt
 GNU_CONFIGURE=	yes
 CONFIGURE_ENV=	CPPFLAGS="-I${LOCALBASE}/include" \
 		LIBS="-L${LOCALBASE}/lib"
+MAKE_JOBS_UNSAFE=	yes
 
 PLIST_FILES=	bin/srec_cat \
 		bin/srec_cmp \
diff --git a/devel/tavrasm/Makefile b/devel/tavrasm/Makefile
index 797cc1dca171..394864b528a5 100644
--- a/devel/tavrasm/Makefile
+++ b/devel/tavrasm/Makefile
@@ -26,6 +26,7 @@ AVR_INCLUDE=	${PREFIX}/include/avr
 MAKEFILE=	makefile
 USE_GMAKE=	yes
 ALL_TARGET=	tavrasm
+MAKE_JOBS_UNSAFE=	yes
 
 # Also get the include files and documentation from Atmel
 
diff --git a/devel/tla/Makefile b/devel/tla/Makefile
index 3a16eae2a075..c34b899ff41f 100644
--- a/devel/tla/Makefile
+++ b/devel/tla/Makefile
@@ -24,6 +24,7 @@ RUN_DEPENDS:=	${BUILD_DEPENDS}
 
 HAS_CONFIGURE=	yes
 USE_GMAKE=	yes
+MAKE_JOBS_UNSAFE=	yes
 
 CONFIGURE_SCRIPT=	../configure
 CONFIGURE_ARGS=	--prefix=${PREFIX} \
diff --git a/devel/umem/Makefile b/devel/umem/Makefile
index 765bb8a2a984..89d234c574b9 100644
--- a/devel/umem/Makefile
+++ b/devel/umem/Makefile
@@ -17,6 +17,7 @@ USE_BZIP2=	yes
 USE_LDCONFIG=	yes
 USE_AUTOTOOLS=	libtool:22
 ONLY_FOR_ARCHS=	i386 amd64
+MAKE_JOBS_UNSAFE=	yes
 
 post-patch:
 	@${REINPLACE_CMD} -e 's/ -ldl//g' ${WRKSRC}/Makefile.in
diff --git a/dns/sqldjbdns/Makefile b/dns/sqldjbdns/Makefile
index fc91eea82d4d..104ffd726330 100644
--- a/dns/sqldjbdns/Makefile
+++ b/dns/sqldjbdns/Makefile
@@ -24,6 +24,7 @@ PORTDOCS=	ANNOUNCEMENT STATUS pgsqldns.html NEWS TODO README \
 		pgsqldns-conf.html sqldns.html pgsqldns-schema.html
 DJ_SRC=		`cd ${DJ_PORT} && make -V WRKSRC`
 ALL_TARGET=	default
+MAKE_JOBS_UNSAFE=	yes
 PLIST_FILES=	bin/dnsbench bin/pgsqldns bin/pgsqldns-conf bin/pgsqldnscache \
 		share/examples/${PORTNAME}/create.sql
 PLIST_DIRS=	share/examples/${PORTNAME}
diff --git a/editors/texmakerx/Makefile b/editors/texmakerx/Makefile
index 09386bb70036..35249aaa843f 100644
--- a/editors/texmakerx/Makefile
+++ b/editors/texmakerx/Makefile
@@ -25,6 +25,7 @@ QT_COMPONENTS=	gui network xml moc_build qmake_build rcc_build \
 		uic_build qtestlib
 HAS_CONFIGURE=	yes
 INSTALLS_ICONS=	yes
+MAKE_JOBS_UNSAFE=	yes
 
 OPTIONS=	XDVI "view dvi with xdvi" On \
 		GV "view ps with gv" On
diff --git a/editors/thoteditor/Makefile b/editors/thoteditor/Makefile
index 15f712c630e3..6b202d97d7ab 100644
--- a/editors/thoteditor/Makefile
+++ b/editors/thoteditor/Makefile
@@ -26,6 +26,7 @@ GNU_CONFIGURE=	yes
 CONFIGURE_ARGS=	--with-thot --enable-plugin --without-insure --without-amaya --disable-java --disable-intr --disable-jit --disable-math --disable-ilu
 USE_GMAKE=	yes
 ALL_TARGET=	all schemas
+MAKE_JOBS_UNSAFE=	yes
 MAN1=		cextract.1
 MAN5=		cextrc.5
 
diff --git a/editors/vim5/Makefile b/editors/vim5/Makefile
index c11a0caa7d6b..3c393471f2ae 100644
--- a/editors/vim5/Makefile
+++ b/editors/vim5/Makefile
@@ -33,6 +33,7 @@ WRKSRC=		${WRKDIR}/${DISTNAME}/src
 PATCH_DIST_ARGS=	-d ${WRKDIR}/${DISTNAME} --forward --quiet -E ${PATCH_DIST_STRIP}
 MAKE_ARGS+=	CONF_ARGS="--prefix=${PREFIX} --with-tlib=termlib --disable-pythoninterp"
 ALL_TARGET=	#
+MAKE_JOBS_UNSAFE=	yes
 PLIST_SUB=	VIM_VER=${DISTNAME:S/-//:S/.//}
 MAN1=		vim.1 vimtutor.1 xxd.1
 MLINKS=		vim.1 rvim.1  vim.1 rview.1  ectags.1 etags.1
diff --git a/editors/vim6/Makefile b/editors/vim6/Makefile
index 9bbdc68acc18..268c6518e421 100644
--- a/editors/vim6/Makefile
+++ b/editors/vim6/Makefile
@@ -43,6 +43,7 @@ PATCH_DIST_ARGS= -d ${WRKSRC:S/src$//} --batch --forward --quiet -E ${PATCH_DIST
 #PATCH_DIST_ARGS=	-t
 MAKE_ARGS+=	CONF_ARGS="--prefix=${PREFIX} --with-tlib=termlib ${CSCOPE_ARG}"
 ALL_TARGET=	#
+MAKE_JOBS_UNSAFE=	yes
 _DATADIR=	${DISTNAME:S/-//g:S/.//g}
 DATADIR=	${PREFIX}/share/vim/${_DATADIR}
 PLIST_SUB=	VIM_VER=${_DATADIR}
diff --git a/editors/wily/Makefile b/editors/wily/Makefile
index 5c6908d3ee4d..6815295c1bc4 100644
--- a/editors/wily/Makefile
+++ b/editors/wily/Makefile
@@ -21,6 +21,7 @@ USE_XORG=	x11 ice xt
 GNU_CONFIGURE=	YES
 USE_GMAKE=	YES
 MAN1=		wgoto.1 win.1 wreplace.1 Tag.1 mktags.1 Man.1
+MAKE_JOBS_UNSAFE=	yes
 
 PORTDOCS=	index.html intro.html download.html credits.html FAQ.html \
 		onepage.html user.html idioms.html C.html python.html \
diff --git a/editors/xcoral/Makefile b/editors/xcoral/Makefile
index 5057783453bf..b2f8d67c90d5 100644
--- a/editors/xcoral/Makefile
+++ b/editors/xcoral/Makefile
@@ -17,6 +17,7 @@ USE_XORG=	x11
 GNU_CONFIGURE=	yes
 CONFIGURE_ENV=	LIBS="-lgnuregex"
 CONFIGURE_ARGS=	--libdir=${PREFIX}/share
+MAKE_JOBS_UNSAFE=	yes
 
 PLIST_SUB=	VERSION="${PORTVERSION}"
 
diff --git a/editors/yudit/Makefile b/editors/yudit/Makefile
index 78cd6b4c1242..ec640514ac4d 100644
--- a/editors/yudit/Makefile
+++ b/editors/yudit/Makefile
@@ -21,10 +21,10 @@ CONFLICTS=	uniconvertor-[0-9]*
 USE_XORG=	x11
 USE_GNOME=	gnometarget
 USE_GMAKE=	yes
+MAKE_JOBS_UNSAFE=	yes
 GNU_CONFIGURE=	yes
 CONFIGURE_ENV=	LC_ALL=
 MAKE_ENV=	LC_ALL=
 MAN1=		mytool.1 uniconv.1 uniprint.1
-USE_GMAKE=	YES
 
 .include <bsd.port.mk>
diff --git a/emulators/tiemu2/Makefile b/emulators/tiemu2/Makefile
index 54839236c1a9..79f2992446b9 100644
--- a/emulators/tiemu2/Makefile
+++ b/emulators/tiemu2/Makefile
@@ -23,6 +23,7 @@ LIB_DEPENDS=	ticalcs.10:${PORTSDIR}/devel/libticalcs \
 GNU_CONFIGURE=	yes
 USE_GMAKE=	yes
 USE_GNOME=	gtk20 libglade2
+MAKE_JOBS_UNSAFE=	yes
 
 WRKSRC=		${WRKDIR}/${PORTNAME}-${PORTVERSION}
 MAN1=		tiemu.1
diff --git a/emulators/tme/Makefile b/emulators/tme/Makefile
index a750dc2e4783..d6ad82c9bcca 100644
--- a/emulators/tme/Makefile
+++ b/emulators/tme/Makefile
@@ -20,6 +20,7 @@ USE_XORG=	x11
 USE_GNOME=	gtk12 gnometarget
 CONFIGURE_ARGS+=	--disable-shared
 MAKE_ENV=	LANG=C
+MAKE_JOBS_UNSAFE=	yes
 
 post-patch:
 		${REINPLACE_CMD} -e 's|%%PREFIX%%|${PREFIX}|g' ${WRKSRC}/libtme/module.c
diff --git a/emulators/x48/Makefile b/emulators/x48/Makefile
index 5207b8cf4d5a..c0bf6c359731 100644
--- a/emulators/x48/Makefile
+++ b/emulators/x48/Makefile
@@ -21,6 +21,7 @@ COMMENT=	An HP48 SX/GX calculator emulator
 USE_IMAKE=	yes
 USE_XORG=	x11 xext
 NO_INSTALL_MANPAGES=	yes
+MAKE_JOBS_UNSAFE=	yes
 
 .include <bsd.port.pre.mk>
 
diff --git a/emulators/xmame/Makefile b/emulators/xmame/Makefile
index 42600f2fc94f..a629c3adaf82 100644
--- a/emulators/xmame/Makefile
+++ b/emulators/xmame/Makefile
@@ -29,6 +29,7 @@ USE_GMAKE=	yes
 MAKE_ARGS+=	ARCH=freebsd
 WANT_SDL=	yes
 WANT_GNOME=	yes
+MAKE_JOBS_UNSAFE=	yes
 
 # Broken on ia-64
 NOT_FOR_ARCHS=	ia64
diff --git a/finance/qhacc/Makefile b/finance/qhacc/Makefile
index 82858df3e892..2723b7fe7391 100644
--- a/finance/qhacc/Makefile
+++ b/finance/qhacc/Makefile
@@ -24,6 +24,7 @@ CONFIGURE_ARGS=	--with-qt-moc=${QT_PREFIX}/bin \
 		--with-qt-libs=${QT_PREFIX}/lib
 MAKE_ARGS=	ACLOCAL="${TRUE}" AUTOCONF="${TRUE}" AUTOMAKE="${TRUE}" \
 		AUTOHEADER="${TRUE}"
+MAKE_JOBS_UNSAFE=	yes
 USE_LDCONFIG=	yes
 
 QTCPPFLAGS+=	${PTHREAD_CFLAGS}
diff --git a/games/qmars/Makefile b/games/qmars/Makefile
index 64141536df22..f6d85d6aa648 100644
--- a/games/qmars/Makefile
+++ b/games/qmars/Makefile
@@ -19,6 +19,7 @@ BUILD_DEPENDS=	makedepend:${PORTSDIR}/devel/makedepend
 USE_BZIP2=	yes
 REINPLACE_ARGS=	-i ""
 WRKSRC=		${WRKDIR}/${PORTNAME}
+MAKE_JOBS_UNSAFE=	yes
 
 post-patch:
 	@${REINPLACE_CMD} -e 's|g++|${CXX}|; s|CCFLAGS =|& ${CXXFLAGS}|' \
diff --git a/games/sarien/Makefile b/games/sarien/Makefile
index 4a58c44d6038..4794cf905446 100644
--- a/games/sarien/Makefile
+++ b/games/sarien/Makefile
@@ -17,6 +17,7 @@ COMMENT=	Sierra AGI games interpreter
 GNU_CONFIGURE=	yes
 USE_GMAKE=	yes
 USE_XORG=	x11
+MAKE_JOBS_UNSAFE=	yes
 
 CFLAGS+=	-I${LOCALBASE}/include
 
diff --git a/games/slashem-tty/Makefile b/games/slashem-tty/Makefile
index dc74827d517b..621984674aa6 100644
--- a/games/slashem-tty/Makefile
+++ b/games/slashem-tty/Makefile
@@ -19,6 +19,7 @@ USE_GMAKE=	yes
 PKGDEINSTALL=	${WRKDIR}/pkg-deinstall
 SUB_FILES+=	pkg-deinstall
 MAN6=		dgn_comp.6 dlb.6 lev_comp.6 recover.6 slashem.6
+MAKE_JOBS_UNSAFE=	yes
 
 WRKSRC=		${WRKDIR}/${PORTNAME}-${PORTVERSION:C/([A-Z])./\1/g}
 MAKE_ENV+=	DATADIR="${DATADIR}"
diff --git a/games/stratagus/Makefile b/games/stratagus/Makefile
index fbcf13fd95cf..e90a261cbf2d 100644
--- a/games/stratagus/Makefile
+++ b/games/stratagus/Makefile
@@ -31,6 +31,7 @@ GNU_CONFIGURE=	yes
 CONFIGURE_ENV=	CPPFLAGS="${CPPFLAGS}" LDFLAGS="${LDFLAGS}"
 CONFIGURE_ARGS=	--with-extra-includes=${LUA_INCDIR} \
 		--with-extra-libs=${LUA_LIBDIR}
+MAKE_JOBS_UNSAFE=	yes
 
 PORTDOCS=	*
 PLIST_FILES=	bin/stratagus
diff --git a/games/torcs/Makefile b/games/torcs/Makefile
index 2f78019cc906..3ecea3525203 100644
--- a/games/torcs/Makefile
+++ b/games/torcs/Makefile
@@ -32,6 +32,7 @@ CONFIGURE_ENV=	CPPFLAGS="-I${LOCALBASE}/include -I${LOCALBASE}/include -DHAVE_DE
 
 ALL_TARGET=	default
 INSTALL_TARGET=	install datainstall
+MAKE_JOBS_UNSAFE=	yes
 
 LDFLAGS+=	-L${LOCALBASE}/lib
 
diff --git a/games/tuxpuck/Makefile b/games/tuxpuck/Makefile
index 694e0ef01628..13d1093015c2 100644
--- a/games/tuxpuck/Makefile
+++ b/games/tuxpuck/Makefile
@@ -23,6 +23,7 @@ LIB_DEPENDS=	jpeg.10:${PORTSDIR}/graphics/jpeg \
 USE_SDL=	sdl
 USE_GMAKE=	yes
 ALL_TARGET=	tuxpuck
+MAKE_JOBS_UNSAFE=	yes
 
 MANCOMPRESSED=	yes
 MAN6=		tuxpuck.6
diff --git a/games/uhexen2/Makefile b/games/uhexen2/Makefile
index c6af02bf6b3a..d997f406f213 100644
--- a/games/uhexen2/Makefile
+++ b/games/uhexen2/Makefile
@@ -21,6 +21,7 @@ USE_GMAKE=	yes
 USE_GL=		yes
 USE_SDL=	sdl mixer
 WANT_GNOME=	yes
+MAKE_JOBS_UNSAFE=	yes
 
 OPTIONS=	DEMO "Install demo version of the game data" off \
 		HEXEN2 "Build Hexen II clients and servers" on \
diff --git a/games/ultimatestunts/Makefile b/games/ultimatestunts/Makefile
index 2893de2b72a5..a879ceb5d09b 100644
--- a/games/ultimatestunts/Makefile
+++ b/games/ultimatestunts/Makefile
@@ -28,6 +28,7 @@ CPPFLAGS+=	`${SDL_CONFIG} --cflags`
 LDFLAGS=	-L${LOCALBASE}/lib
 CONFIGURE_ENV=	CPPFLAGS="${CPPFLAGS}" LDFLAGS="${LDFLAGS}"
 PORT_VERBS=	${PORTNAME} ustunts
+MAKE_JOBS_UNSAFE=	yes
 
 post-extract:
 	@${FIND} ${WRKSRC} -name CVS|${SED} -e 's| |\\ |g'|${XARGS} ${RM} -rf
diff --git a/games/unnethack/Makefile b/games/unnethack/Makefile
index dc74827d517b..621984674aa6 100644
--- a/games/unnethack/Makefile
+++ b/games/unnethack/Makefile
@@ -19,6 +19,7 @@ USE_GMAKE=	yes
 PKGDEINSTALL=	${WRKDIR}/pkg-deinstall
 SUB_FILES+=	pkg-deinstall
 MAN6=		dgn_comp.6 dlb.6 lev_comp.6 recover.6 slashem.6
+MAKE_JOBS_UNSAFE=	yes
 
 WRKSRC=		${WRKDIR}/${PORTNAME}-${PORTVERSION:C/([A-Z])./\1/g}
 MAKE_ENV+=	DATADIR="${DATADIR}"
diff --git a/games/vitetris/Makefile b/games/vitetris/Makefile
index eb7d73f9ae9d..5bc22b0c3120 100644
--- a/games/vitetris/Makefile
+++ b/games/vitetris/Makefile
@@ -17,6 +17,7 @@ HAS_CONFIGURE=	yes
 ALL_TARGET=	#
 CONFIGURE_ARGS=	--prefix=${PREFIX} --datarootdir=${PREFIX}/share \
 		curses="-lncurses" xlib=no
+MAKE_JOBS_UNSAFE=	yes
 
 PLIST_FILES=	bin/vitetris \
 		share/allegro/licence.txt \
diff --git a/games/vultures-claw/Makefile b/games/vultures-claw/Makefile
index 04f5e537d61e..14a4e5134eb5 100644
--- a/games/vultures-claw/Makefile
+++ b/games/vultures-claw/Makefile
@@ -21,6 +21,7 @@ LIB_DEPENDS=	png.5:${PORTSDIR}/graphics/png
 USE_BZIP2=	yes
 USE_GMAKE=	yes
 USE_SDL=	sdl ttf mixer
+MAKE_JOBS_UNSAFE=	yes
 
 WRKSRC=		${WRKDIR}/${PORTNAME}-${PORTVERSION}/slashem
 DATADIR=	${PREFIX}/share/${PORTNAME}${PKGNAMESUFFIX}
diff --git a/games/vultures-eye/Makefile b/games/vultures-eye/Makefile
index 0e6b832ecce0..147f36d08f68 100644
--- a/games/vultures-eye/Makefile
+++ b/games/vultures-eye/Makefile
@@ -29,6 +29,7 @@ CONFIGURE_WRKSRC=	${WRKSRC}/sys/unix
 CONFIGURE_SCRIPT=	setup.sh
 DATADIR=	${PREFIX}/share/${PORTNAME}${PKGNAMESUFFIX}
 MAKE_ENV+=	DATADIR="${DATADIR}" MAKE="${GMAKE}"
+MAKE_JOBS_UNSAFE=	yes
 
 pre-configure:
 	@${CHMOD} 755 ${CONFIGURE_WRKSRC}/${CONFIGURE_SCRIPT}
diff --git a/games/xevil/Makefile b/games/xevil/Makefile
index 379c8a3cfae6..4b1bf70401db 100644
--- a/games/xevil/Makefile
+++ b/games/xevil/Makefile
@@ -19,6 +19,7 @@ USE_ZIP=	yes
 USE_XORG=	xpm
 MAKEFILE=	makefile
 ALL_TARGET=	freebsd
+MAKE_JOBS_UNSAFE=	yes
 
 .include <bsd.port.pre.mk>
 
diff --git a/games/xgospel/Makefile b/games/xgospel/Makefile
index 18551526207e..bec220d08259 100644
--- a/games/xgospel/Makefile
+++ b/games/xgospel/Makefile
@@ -17,6 +17,7 @@ LIB_DEPENDS=	Xaw3d:${PORTSDIR}/x11-toolkits/Xaw3d
 
 USE_XORG=	ice sm x11 xaw xext xmu xpm xt
 GNU_CONFIGURE=	yes
+MAKE_JOBS_UNSAFE=	yes
 
 CONFIGURE_ARGS=	--with-x --with-xpm --with-xaw3d
 
diff --git a/games/xkoules/Makefile b/games/xkoules/Makefile
index b4fee1c0c214..6d1415ea8c2a 100644
--- a/games/xkoules/Makefile
+++ b/games/xkoules/Makefile
@@ -20,6 +20,7 @@ COMMENT=	Fast action arcade-style game for X Window
 USE_IMAKE=	yes
 USE_XORG=	x11 xext
 MAN6=		xkoules.6
+MAKE_JOBS_UNSAFE=	yes
 
 post-extract:
 	@${CP} ${WRKSRC}/xkoules.6 ${WRKSRC}/xkoules.man
diff --git a/games/xmille/Makefile b/games/xmille/Makefile
index 5eb2639f0e1f..46cdd01625dd 100644
--- a/games/xmille/Makefile
+++ b/games/xmille/Makefile
@@ -22,6 +22,7 @@ USE_IMAKE=	yes
 USE_XORG=	x11 xext
 MAN1=		xmille.1
 PLIST_FILES=	bin/xmille
+MAKE_JOBS_UNSAFE=	yes
 
 post-extract:
 	@${FIND} ${WRKSRC} -name '*.[ao]' -delete
diff --git a/graphics/sam2p/Makefile b/graphics/sam2p/Makefile
index 1f730d243cdf..f9059e2421d0 100644
--- a/graphics/sam2p/Makefile
+++ b/graphics/sam2p/Makefile
@@ -31,6 +31,7 @@ USE_PERL5_BUILD=	yes
 USE_GMAKE=	yes
 GNU_CONFIGURE=	yes
 ALL_TARGET=	${PORTNAME}
+MAKE_JOBS_UNSAFE=	yes
 
 do-install:
 	${INSTALL_PROGRAM} ${WRKSRC}/sam2p ${PREFIX}/bin
diff --git a/graphics/xfpovray/Makefile b/graphics/xfpovray/Makefile
index 4407d3f0c14d..31e6756a5e16 100644
--- a/graphics/xfpovray/Makefile
+++ b/graphics/xfpovray/Makefile
@@ -23,6 +23,7 @@ RUN_DEPENDS=	povray:${PORTSDIR}/graphics/povray
 USE_IMAKE=	yes
 USE_XORG=	x11 xext xpm
 USE_GMAKE=	yes
+MAKE_JOBS_UNSAFE=	yes
 
 post-patch:
 	@${REINPLACE_CMD} -e "s|%%LOCALBASE%%|${LOCALBASE}|g;" ${WRKSRC}/src/xfpovray.h
diff --git a/lang/rexx-regina/Makefile b/lang/rexx-regina/Makefile
index 6bb9f34418b8..e5f7449be5c9 100644
--- a/lang/rexx-regina/Makefile
+++ b/lang/rexx-regina/Makefile
@@ -24,6 +24,7 @@ USE_OPENSSL=	yes
 GNU_CONFIGURE=	yes
 USE_GMAKE=	yes
 USE_LDCONFIG=	yes
+MAKE_JOBS_UNSAFE=	yes
 
 MAN1=	regina.1
 
diff --git a/lang/scm/Makefile b/lang/scm/Makefile
index 4c5c946a4066..b75f1b141ce1 100644
--- a/lang/scm/Makefile
+++ b/lang/scm/Makefile
@@ -26,6 +26,7 @@ MAKE_ARGS=	CC="${CC}" CFLAGS="${CFLAGS}" IMPLPATH="${PREFIX}/lib/scm/" \
 ALL_TARGET=	scmlit scm5 mydlls
 MAN1=		scm.1
 INFO=		scm
+MAKE_JOBS_UNSAFE=	yes
 
 PLIST_SUB=	VERSION="${PORTVERSION}"
 
diff --git a/lang/siod/Makefile b/lang/siod/Makefile
index 0162ce0fba12..5a9d420a84ae 100644
--- a/lang/siod/Makefile
+++ b/lang/siod/Makefile
@@ -22,6 +22,7 @@ NO_WRKSUBDIR=	yes
 MAKEFILE=	makefile
 ALL_TARGET=	freebsd
 MAKE_ENV=	LD_LIBRARY_PATH=.
+MAKE_JOBS_UNSAFE=	yes
 
 MAN1=	siod.1 snapshot-dir.1 snapshot-compare.1 http-get.1 \
 	cp-build.1 ftp-cp.1 csiod.1 ftp-put.1 ftp-test.1 ftp-get.1 \
diff --git a/lang/swi-pl/Makefile b/lang/swi-pl/Makefile
index a2a1eaab5357..657d5eda0a11 100644
--- a/lang/swi-pl/Makefile
+++ b/lang/swi-pl/Makefile
@@ -37,6 +37,7 @@ MANCOMPRESSED=	no
 
 NOPRECIOUSMAKEVARS=	yes
 USE_GMAKE=	yes
+MAKE_JOBS_UNSAFE=	yes
 GNU_CONFIGURE=	yes
 CONFIGURE_ENV=	LDFLAGS="${LDFLAGS}" ARCH=${ARCH}-${OPSYS:L}
 CONFIGURE_TARGET=	${ARCH}-${OPSYS:L}
diff --git a/mail/ripmime/Makefile b/mail/ripmime/Makefile
index c82d9f1074e3..7a843250cf79 100644
--- a/mail/ripmime/Makefile
+++ b/mail/ripmime/Makefile
@@ -15,6 +15,8 @@ MASTER_SITE_SUBDIR=	distfiles
 MAINTAINER=	dinoex@FreeBSD.org
 COMMENT=	Extracts attached files out of a MIME encoded email package
 
+MAKE_JOBS_UNSAFE=	yes
+
 PLIST_FILES=	bin/ripmime
 MAN1=		ripmime.1
 
diff --git a/math/rapid/Makefile b/math/rapid/Makefile
index b43a356e9e70..20a3e388762c 100644
--- a/math/rapid/Makefile
+++ b/math/rapid/Makefile
@@ -24,6 +24,7 @@ SUB_FILES=	pkg-message
 PKGMESSAGE=	${WRKDIR}/pkg-message
 
 ALL_TARGET=
+MAKE_JOBS_UNSAFE=	yes
 
 MAN1=	rapid.1
 
diff --git a/net/v6eval/Makefile b/net/v6eval/Makefile
index 39c7fa695e72..681e461e0bee 100644
--- a/net/v6eval/Makefile
+++ b/net/v6eval/Makefile
@@ -25,6 +25,7 @@ MAN1PREFIX=	${PREFIX}/v6eval
 MAN3PREFIX=	${PREFIX}/lib/perl5/${PERL_VERSION}
 MAN1=		pktctl.1.gz pktsend.1.gz
 MAN3=		V6evalRemote.3 V6evalTool.3
+MAKE_JOBS_UNSAFE=	yes
 
 .include <bsd.port.pre.mk>
 
diff --git a/net/xmlrpc-c-devel/Makefile b/net/xmlrpc-c-devel/Makefile
index 309a97c0d18c..5bc6ebede377 100644
--- a/net/xmlrpc-c-devel/Makefile
+++ b/net/xmlrpc-c-devel/Makefile
@@ -31,6 +31,7 @@ GNU_CONFIGURE=	yes
 MAKEFILE=	GNUmakefile
 MAKE_ARGS=	LIBTOOL="${LIBTOOL}" \
 		CFLAGS_COMMON="${CFLAGS}"
+MAKE_JOBS_UNSAFE=	yes
 USE_LDCONFIG=	yes
 
 .include <bsd.port.pre.mk>
diff --git a/security/tor-devel/Makefile b/security/tor-devel/Makefile
index c8f8bc4e988f..46565f0fd7c2 100644
--- a/security/tor-devel/Makefile
+++ b/security/tor-devel/Makefile
@@ -25,6 +25,7 @@ GNU_CONFIGURE=	yes
 USE_OPENSSL=	yes
 CPPFLAGS+=	-I${LOCALBASE}/include
 CONFIGURE_ENV+=	CPPFLAGS="${CPPFLAGS}"
+MAKE_JOBS_UNSAFE=	yes
 
 OPTIONS=	BUFFREELISTS "freelists for buffer RAM" on \
 		INSTR_DOWNLOADS "instrument downloads for analysis" off \
diff --git a/textproc/syck/Makefile b/textproc/syck/Makefile
index 445b4d92530c..f9e628df95ba 100644
--- a/textproc/syck/Makefile
+++ b/textproc/syck/Makefile
@@ -16,5 +16,6 @@ COMMENT=	A library for reading and writing YAML 1.0
 GNU_CONFIGURE=	yes
 USE_BISON=	build
 CFLAGS+=	-fPIC
+MAKE_JOBS_UNSAFE=	yes
 
 .include <bsd.port.mk>
diff --git a/vietnamese/vnxfonts/Makefile b/vietnamese/vnxfonts/Makefile
index 4875b75fd990..94263513dde9 100644
--- a/vietnamese/vnxfonts/Makefile
+++ b/vietnamese/vnxfonts/Makefile
@@ -25,6 +25,7 @@ BUILD_DEPENDS=	bdftopcf:${PORTSDIR}/x11-fonts/bdftopcf \
 		mkfontscale:${PORTSDIR}/x11-fonts/mkfontscale
 
 WRKSRC=		${WRKDIR}/fonts/X
+MAKE_JOBS_UNSAFE=	yes
 
 do-install:
 	@${MKDIR} ${PREFIX}/lib/X11/fonts/vietnamese
diff --git a/www/tidy-devel/Makefile b/www/tidy-devel/Makefile
index 3b1288dfbfbf..d4fe6bb2b56d 100644
--- a/www/tidy-devel/Makefile
+++ b/www/tidy-devel/Makefile
@@ -24,6 +24,7 @@ USE_BZIP2=	yes
 
 SLAVEDIRS=	www/tidy-lib
 WRKSRC=		${WRKDIR}/${PORTNAME}
+MAKE_JOBS_UNSAFE=	yes
 
 .if !defined(WITH_SHLIB)
 USE_GMAKE=	yes
diff --git a/www/xsp/Makefile b/www/xsp/Makefile
index 4e1cfe398da7..c9df46a9ac76 100644
--- a/www/xsp/Makefile
+++ b/www/xsp/Makefile
@@ -22,6 +22,7 @@ USE_BZIP2=	yes
 USE_GNOME=	gnometarget gnomehack
 GNU_CONFIGURE=	yes
 USE_GMAKE=	yes
+MAKE_JOBS_UNSAFE=	yes
 
 MAN1=		asp-state.1 dbsessmgr.1 mod-mono-server.1 xsp.1 \
 		fastcgi-mono-server.1
diff --git a/x11-toolkits/slgtk/Makefile b/x11-toolkits/slgtk/Makefile
index 387a97e75a7d..8198d4613690 100644
--- a/x11-toolkits/slgtk/Makefile
+++ b/x11-toolkits/slgtk/Makefile
@@ -19,6 +19,7 @@ LIB_DEPENDS=	slang.2:${PORTSDIR}/devel/libslang2
 USE_GNOME=	gtk20
 GNU_CONFIGURE=	yes
 CONFIGURE_ARGS=	LDFLAGS=-lncurses
+MAKE_JOBS_UNSAFE=	yes
 
 MAN1=		imdisplay.1
 
diff --git a/x11/trayer/Makefile b/x11/trayer/Makefile
index 0be4409c6af0..fdf92113c1a9 100644
--- a/x11/trayer/Makefile
+++ b/x11/trayer/Makefile
@@ -21,6 +21,7 @@ USE_ICONV=	yes
 USE_XORG=	xmu
 USE_GMAKE=	yes
 MAKE_ARGS=	"PREFIX=${PREFIX}"
+MAKE_JOBS_UNSAFE=	yes
 WRKSRC=		${WRKDIR}/${PORTNAME}-${PORTVERSION}
 
 .if !defined(NOPORTDOCS)