Remove thinlto, causes more issues than it helps.

CMakeLists.txt

@@ -63,10 +63,6 @@ endif ()
 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)
 
 SET(FILE_SOURCE