GNU make with depcache/some general build speed up tips/three LibreOffice GNU make forks considered harmful

[Bjoern Michaelsen]

On Tue, Feb 18, 2014 at 04:57:39PM +0100, Bjoern Michaelsen wrote:
> 4.0, no maintainer mode, second run, using cache, power supply plugged, build on tmpfs:
> real    0m11.155s

Just for completeness sake, same with gb_FULLDEPS=:
real    0m10.213s

so with depcache, reading and stating all the files for >8000 objects is below
1 second and essentially linenoise to the 10 seconds that is gbuild reading
"real" makefiles. Still curious if it does make a change on Windows, though ;)

Best,

Bjoern