https://codereview.appspot.com/5569045/diff/3001/input/regression/lilypond-book/GNUmakefile File input/regression/lilypond-book/GNUmakefile (right):
https://codereview.appspot.com/5569045/diff/3001/input/regression/lilypond-book/GNUmakefile#newcode36 input/regression/lilypond-book/GNUmakefile:36: # Prevent parallel lilypond-book instances for this subdir On 2020/02/22 22:54:40, hanwenn wrote: > I know this is a long time ago, but can you remember why this was added? As far as I can remember, lilypond-book was not free of concurrency issues with its use of a cache for snippets. Therefore the simplest to avoid any issue with make -j was to disable concurrent calls to lilypond-book. https://codereview.appspot.com/5569045/
