Increase speed for a build with no updates
On a reasonably fast machine with a decent config it takes roughly 10 seconds to do a make where nothing is updated. Generating one single Makefile is assumed to speed up things and will in addition allow a simpler syntax as what is used today for some of the uglier constructs.
Contact: Sam Ravnborg - sam (at) ravnborg.org
Difficulty: 5
Language: Perl or C