Index: CMakeLists.txt
===================================================================
--- CMakeLists.txt
+++ CMakeLists.txt
@@ -17,6 +17,12 @@
   add_definitions( -DLLDB_DISABLE_LIBEDIT )
 endif()
 
+# Check if libatomic needs to be specified explicitly
+if (NOT HAVE_CXX_ATOMICS64_WITHOUT_LIB )
+    set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,-latomic")
+    set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,-latomic")
+endif ()
+
 # add_subdirectory(include)
 add_subdirectory(docs)
 if (NOT LLDB_DISABLE_PYTHON)