diff --git a/llvm/lib/ExecutionEngine/Orc/TargetProcess/CMakeLists.txt b/llvm/lib/ExecutionEngine/Orc/TargetProcess/CMakeLists.txt
index 548bf947974a..2cc89db8c0be 100644
--- a/llvm/lib/ExecutionEngine/Orc/TargetProcess/CMakeLists.txt
+++ b/llvm/lib/ExecutionEngine/Orc/TargetProcess/CMakeLists.txt
@@ -7,6 +7,9 @@ add_llvm_component_library(LLVMOrcTargetProcess
   ADDITIONAL_HEADER_DIRS
   ${LLVM_MAIN_INCLUDE_DIR}/llvm/ExecutionEngine/Orc
 
+  LINK_LIBS
+  ${LLVM_PTHREAD_LIB}
+
   LINK_COMPONENTS
   OrcShared
   Support