Don't overwrite existing CMAKE_EXE_LINKER_FLAGS

Author: leo60228

desktop_version/CMakeLists.txt

@@ -59,7 +59,7 @@ if(NOT WIN32)
     elseif(CMAKE_SIZEOF_VOID_P MATCHES "8")
         set(BIN_LIBROOT "lib64")
         set(BIN_RPATH "\$ORIGIN/lib64")
-        set(CMAKE_EXE_LINKER_FLAGS "-Wl,--disable-new-dtags")
+        set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--disable-new-dtags")
     else()
         set(BIN_LIBROOT "lib")
         set(BIN_RPATH "\$ORIGIN/lib")