diff --git a/sysutils/cfengine-devel/files/patch-cf-execd_cf-execd-runagent.c b/sysutils/cfengine-devel/files/patch-cf-execd_cf-execd-runagent.c
new file mode 100644
index 000000000000..2c6b521ef5cf
--- /dev/null
+++ b/sysutils/cfengine-devel/files/patch-cf-execd_cf-execd-runagent.c
@@ -0,0 +1,15 @@
+--- cf-execd/cf-execd-runagent.c.orig	2021-03-19 07:11:45.000000000 -0700
++++ cf-execd/cf-execd-runagent.c	2021-03-24 01:35:29.063038000 -0700
+@@ -22,6 +22,12 @@
+   included file COSL.txt.
+ */
+ 
++/*
++ * XXX: _WITH_GETLINE is required for FreeBSD-11.
++ * Remove when FreeBSD-11 is EOL.
++ */
++#define _WITH_GETLINE
++
+ #include <stdio.h>
+ 
+ #include <logging.h>