https://fedorahosted.org/libcap-ng/changeset/2

--- src/test/Makefile.am
+++ src/test/Makefile.am
@@ -1,5 +1,5 @@
 # Makefile.am --
-# Copyright 2009 Red Hat Inc., Durham, North Carolina.
+# Copyright 2009,10 Red Hat Inc., Durham, North Carolina.
 # All Rights Reserved.
 #
 # This library is free software; you can redistribute it and/or
@@ -20,6 +20,7 @@
 #   Steve Grubb <sgrubb@redhat.com>
 #
 
+INCLUDES = -I${top_srcdir} -I${top_srcdir}/src
 check_PROGRAMS = lib_test thread_test
 TESTS = $(check_PROGRAMS)
 
--- src/test/thread_test.c
+++ src/test/thread_test.c
@@ -1,4 +1,5 @@
 #include <stdio.h>
+#include <stdlib.h>
 #include <cap-ng.h>
 #include <pthread.h>