add configure check and shim for landlock

First move towards landlock support (#3).  The shim is needed until
libc provides the proper wrappers for the landlock APIs; I hope it
doesn't take too long, but landlock was merged back in May and are
still missing.

1 files changed, 1 insertions, 0 deletions

diff --git a/configure b/configure
index 5283a56..3639700 100755
--- a/configure
+++ b/configure
@@ -240,6 +240,7 @@ runtest getdtablecount	GETDTABLECOUNT	|| true
 runtest getdtablesize	GETDTABLESIZE	|| true
 runtest getprogname	GETPROGNAME	|| true
 runtest imsg		IMSG		-lutil || true
+runtest landlock	LANDLOCK	|| true
 runtest libevent	LIBEVENT	|| true
 runtest libtls		LIBTLS		|| true
 runtest openssl		OPENSSL		|| true