diff --git a/lib/Support/CMakeLists.txt b/lib/Support/CMakeLists.txt
index e27a651269d..bb3182837f7 100644
--- a/lib/Support/CMakeLists.txt
+++ b/lib/Support/CMakeLists.txt
@@ -16,6 +16,7 @@ add_llvm_library(LLVMSupport
   ManagedStatic.cpp
   MemoryBuffer.cpp
   PluginLoader.cpp
+  PrettyStackTrace.cpp
   SlowOperationInformer.cpp
   SmallPtrSet.cpp
   Statistic.cpp