[Mesa-dev] [RFC] Convert mesa to automake/libtool

[Ian Romanick]

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Brian Paul wrote:

> The libtool script wrapped every cc command and it slowed the build
> process considerably.  Have you done any "before/after" build time
> comparisons?  I build a *lot*.

This was traditionally the #1 complaint about autotools.  Over the years
a few iterations of fixes to this problem have percolated through the
autotools community.  Josh Triplett's dolt is one.  My vague
understanding is that the autotools maintainers have incorporated most
of this directly into libtool.  As far as I'm aware, the build time of a
modern libtool project is within a standard deviation or two of a
non-libtool project.

Being able to trivially throw more CPUs at the compile has more than
made up for the added overhead.  distcc is the big win there... and
working at a company that makes CPUs.  :)
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