--- Source/WebKit2/CMakeLists.txt.orig	2017-08-13 19:35:45.853721395 -0600
+++ Source/WebKit2/CMakeLists.txt	2017-08-13 19:36:02.668686476 -0600
@@ -734,6 +734,7 @@
 set(WebKit2_LIBRARIES
     JavaScriptCore
     WebCore
+    atomic
 )
 
 set(PluginProcess_LIBRARIES