diff --git a/devel/libfaketime/Makefile b/devel/libfaketime/Makefile
--- a/devel/libfaketime/Makefile
+++ b/devel/libfaketime/Makefile
@@ -11,12 +11,14 @@
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 RUN_DEPENDS=	coreutils>=0:sysutils/coreutils
+TEST_DEPENDS=	bash:shells/bash
 
-USES=		gmake shebangfix
+USES=		gmake perl5 shebangfix
 USE_GITHUB=	yes
 GH_ACCOUNT=	wolfcw
 USE_GCC=	yes
 USE_LDCONFIG=	yes
+USE_PERL5=	test
 
 SHEBANG_FILES=	test/functests/common.inc test/testframe.sh
 
@@ -26,6 +28,7 @@
 MAKE_ENV+=	FEATS="-DFAKE_SLEEP -DFAKE_TIMERS -DFAKE_INTERNAL_CALLS" \
 		WARNS="-Wall"
 TEST_TARGET=	test
+TESTING_UNSAFE=	The functests/test_exclude_mono.sh:get_monotonic_time() test hangs
 
 PLIST_FILES=	bin/faketime \
 		lib/faketime/libfaketime.so.1 \
@@ -34,6 +37,10 @@
 		share/doc/faketime/README \
 		share/man/man1/faketime.1.gz
 
+post-patch:
+	${REINPLACE_CMD} -e 's|-lcompat|-lcompat -lutil|' \
+		${WRKSRC}/test/Makefile
+
 post-install:
 	${STRIP_CMD} ${STAGEDIR}${PREFIX}/bin/faketime \
 		${STAGEDIR}${PREFIX}/lib/faketime/*.so.*