This is the way, because intermediate build artefacts also end up in `build/`. You don't want those in your `output/` directory, but you also don't want to dele

This is the way, because intermediate build artefacts also end up in `build/`. You don't want those in your `output/` directory, but you also don't want to delete them because they help speed up the incremental builds. Edit: `make install` also protects you against broken builds breaking your live site.