diff --git a/CMakeLists.txt b/CMakeLists.txt
index de675be..15ecaca 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -31,6 +31,10 @@ find_package(Threads REQUIRED)
 set(LIBTYPE STATIC)
 if (SHARED)
     set(LIBTYPE SHARED)
+    if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
+        add_compile_options(-flto=thin)
+        add_link_options(-flto=thin)
+    endif ()
 endif (SHARED)
 
 if (LEVEL_SIZE STREQUAL "8")