4 files changed, 4 insertions, 0 deletions

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}