Index: tools/lldb-server/CMakeLists.txt
===================================================================
--- tools/lldb-server/CMakeLists.txt
+++ tools/lldb-server/CMakeLists.txt
@@ -54,6 +54,13 @@
   llvm_config(lldb-server ${LLVM_LINK_COMPONENTS})
 
   target_link_libraries(lldb-server ${LLDB_SYSTEM_LIBS})
+
+  # The linking fails when building for MIPS unless the atomic library
+  # is added explicitly.
+  if( CMAKE_SYSTEM_PROCESSOR STREQUAL "mips")
+    target_link_libraries(lldb-server atomic)
+  endif()
+
 endif()
 
 set_target_properties(lldb-server PROPERTIES VERSION ${LLDB_VERSION})