diff --git a/contrib/netbsd-tests/lib/libc/setjmp/t_setjmp.c b/contrib/netbsd-tests/lib/libc/setjmp/t_setjmp.c
index 4d2a93bab004..34fd5cca9581 100644
--- a/contrib/netbsd-tests/lib/libc/setjmp/t_setjmp.c
+++ b/contrib/netbsd-tests/lib/libc/setjmp/t_setjmp.c
@@ -87,7 +87,7 @@ __RCSID("$NetBSD: t_setjmp.c,v 1.1 2010/12/27 19:35:31 pgoyette Exp $");
 static int expectsignal;
 
 static void
-aborthandler(int signo)
+aborthandler(int signo __unused)
 {
 	ATF_REQUIRE_MSG(expectsignal, "kill(SIGABRT) succeeded");
 	atf_tc_pass();
diff --git a/contrib/netbsd-tests/lib/libc/setjmp/t_threadjmp.c b/contrib/netbsd-tests/lib/libc/setjmp/t_threadjmp.c
index 4437c927214e..2014470747a8 100644
--- a/contrib/netbsd-tests/lib/libc/setjmp/t_threadjmp.c
+++ b/contrib/netbsd-tests/lib/libc/setjmp/t_threadjmp.c
@@ -91,7 +91,7 @@ static pthread_t myself = NULL;
 static int expectsignal;
 
 static void
-aborthandler(int signo)
+aborthandler(int signo __unused)
 {
 	ATF_REQUIRE(myself == pthread_self());
 	ATF_REQUIRE_MSG(expectsignal, "kill(SIGABRT) succeeded");
diff --git a/etc/mtree/BSD.tests.dist b/etc/mtree/BSD.tests.dist
index ea10412a94e9..d4410dbc4282 100644
--- a/etc/mtree/BSD.tests.dist
+++ b/etc/mtree/BSD.tests.dist
@@ -283,6 +283,8 @@
             ..
             ssp
             ..
+            setjmp
+            ..
             stdio
             ..
             stdlib
diff --git a/lib/libc/tests/Makefile b/lib/libc/tests/Makefile
index 68ce44c74374..ff1af5514501 100644
--- a/lib/libc/tests/Makefile
+++ b/lib/libc/tests/Makefile
@@ -14,6 +14,7 @@ TESTS_SUBDIRS+=	nss
 TESTS_SUBDIRS+=	regex
 TESTS_SUBDIRS+=	resolv
 TESTS_SUBDIRS+=	rpc
+TESTS_SUBDIRS+=	setjmp
 TESTS_SUBDIRS+=	stdio
 TESTS_SUBDIRS+=	stdlib
 TESTS_SUBDIRS+=	string