From df3775844154e3291b8a02411dfb0581b78ddeb9 Mon Sep 17 00:00:00 2001
From: David Anderson <davea@ssl.berkeley.edu>
Date: Sun, 11 Jan 2015 21:26:10 -0800
Subject: [PATCH] lib, Mac: fix build error

---
 lib/procinfo_mac.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/procinfo_mac.cpp b/lib/procinfo_mac.cpp
index cfe05ec349..5c7c9bc359 100644
--- a/lib/procinfo_mac.cpp
+++ b/lib/procinfo_mac.cpp
@@ -23,6 +23,7 @@
 #include <ctype.h>
 #include <sys/types.h>
 #include <dirent.h>
+#include <unistd.h>
 
 #if SHOW_TIMING
 #include <Carbon/Carbon.h>