--- a/libutils/CallStack.cpp	2018-04-25 20:13:06.348665241 +0200
+++ b/libutils/CallStack.cpp	2018-04-25 20:13:18.360510763 +0200
@@ -17,7 +17,7 @@
 #define LOG_TAG "CallStack"
 
 #include <memory>
-
+#include <cstdlib>
 #include <utils/CallStack.h>
 #include <utils/Printer.h>
 #include <utils/Errors.h>