Request for kernel-compile time (advance user only)

Lennart Sorensen lsorense-1wCw9BSqJbv44Nm34jS7GywD8/FfD2ys at public.gmane.org
Mon Apr 7 14:47:07 UTC 2008


On Sun, Apr 06, 2008 at 10:48:37AM -0400, Ian Petersen wrote:
> It would be nice if that comes true, but it might be over-optimistic.
> Recursive makefiles are especially difficult to parallelise and AFAIK,
> the suite of auto-tools generates recursive makefiles.  Have a look at
> "Recursive Make Considered Harmful"
> http://miller.emu.id.au/pmiller/books/rmch/ if you're interested in
> more details.

As long as the dependancies are correct (which often they are not, which
is the main problem), then make should work in parallel just fine.  The
problem occours when some part of the build process should be done in
series but the dependancies fail to state this explictly.

-- 
Len Sorensen
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