diff --git a/lldb/source/API/CMakeLists.txt b/lldb/source/API/CMakeLists.txt
--- a/lldb/source/API/CMakeLists.txt
+++ b/lldb/source/API/CMakeLists.txt
@@ -9,6 +9,10 @@
   set(lldb_python_wrapper ${lldb_scripts_dir}/LLDBWrapPython.cpp)
 endif()
 
+if(LLDB_BUILD_FRAMEWORK AND LLVM_EXTERNALIZE_DEBUGINFO)
+  set(LLVM_EXTERNALIZE_DEBUGINFO_EXTENSION framework.dSYM)
+endif()
+
 add_lldb_library(liblldb SHARED
   SBAddress.cpp
   SBAttachInfo.cpp