[Libreoffice] gnumake / dependencies 20%+ speedup ...
nthiebaud at gmail.com
Mon Sep 5 03:49:54 PDT 2011
On Mon, Sep 5, 2011 at 5:36 AM, Caolán McNamara <caolanm at redhat.com> wrote:
> On Fri, 2011-09-02 at 21:22 +0100, Michael Meeks wrote:
>> Or are they there in fact there for some good purpose that I just
>> failed to spot ? :-)
> Yes, I added all these deliberately. See
> http://www.makelinux.net/make3/make3-CHP-8-SECT-3 for the rationale.
> The outcome is that on incremental builds when someone removes a header
> and nothing includes it anymore, the build doesn't break with some
> bizarro error but "does the right thing". For me the build-time
> difference is negligible but I guess its significant for others.
maybe we could have that behavior be a config option ? that way box
that don;t need it (tinderboxes that do make clean/make
systematically) or people that chose performance over the occasional
breakage can disable it ?
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