LilyPond Contributor's Guide: 13.5.4.5 GOP-PROP 5 - build system output (not accepted)

#### 13.5.4.5 GOP-PROP 5 - build system output (not accepted)

This proposal was too broad; after a month of discussion, Graham withdrew the proposal. Portions of it will be introduced in later proposals.

#### Discussions

    https://lists.gnu.org/archive/html/lilypond-devel/2011-07/msg00320.html
    https://lists.gnu.org/archive/html/lilypond-devel/2011-07/msg00527.html
    https://lists.gnu.org/archive/html/lilypond-devel/2011-07/msg00753.html
    https://lists.gnu.org/archive/html/lilypond-devel/2011-07/msg01042.html
    https://lists.gnu.org/archive/html/lilypond-devel/2011-08/msg00116.html
    https://lists.gnu.org/archive/html/lilypond-devel/2011-08/msg00310.html

#### LilyPond — Contributor’s Guide v2.22.2 (stable-branch).