Index: head/lib/clang/libllvmminimal/Makefile
===================================================================
--- head/lib/clang/libllvmminimal/Makefile
+++ head/lib/clang/libllvmminimal/Makefile
@@ -10,6 +10,7 @@
 SRCS+=		Support/APFloat.cpp
 SRCS+=		Support/APInt.cpp
 SRCS+=		Support/ARMTargetParser.cpp
+SRCS+=		Support/Atomic.cpp
 SRCS+=		Support/CodeGenCoverage.cpp
 SRCS+=		Support/CommandLine.cpp
 SRCS+=		Support/ConvertUTF.cpp