The `_EXPORT` and `_NO_EXPORT` macros should always be made properly
because the `<LANG>_VISIBILITY_PRESET` properties are controlled
independently of this module.

One case where this breaks compatibility is where a project was setting
`USE_COMPILER_HIDDEN_VISIBILITY=OFF` and then marking a symbol used
outside of the library with `_NO_EXPORT` which is a contridiction.