--- src/build-data/os/bsdsunix.txt.orig	2016-10-04 02:01:21 UTC
+++ src/build-data/os/bsdsunix.txt
@@ -0,0 +1,6 @@
+os_type unix
+
+<target_features>
+posix_mlock
+gettimeofday
+</target_features>