diff --git a/lib/Transforms/Utils/CMakeLists.txt b/lib/Transforms/Utils/CMakeLists.txt
index 93577b47ff8..dec227acafd 100644
--- a/lib/Transforms/Utils/CMakeLists.txt
+++ b/lib/Transforms/Utils/CMakeLists.txt
@@ -3,6 +3,7 @@ add_llvm_library(LLVMTransformUtils
   BasicBlockUtils.cpp
   BasicInliner.cpp
   BreakCriticalEdges.cpp
+  BuildLibCalls.cpp
   CloneFunction.cpp
   CloneLoop.cpp
   CloneModule.cpp