Hi Peter--
> > How does the speed of the Scons build tool compare with
> > Ant? Right now with out Ant builds take around an hour. Hoping
> > to speed that up.
>
> Don't tools like Scons, Ant, and for that matter "make" just
> execute other programs? So that 99% of the time is consumed
> external to the Scons, Ant, or make process itself? Why
> do you think the speed of the build tool is of any significance
> compared to the time for things like compilers and linkers
> to execute?
You're right that build times are dominated by the external commands
when rebuilds occur. If nothing needs to be rebuilt, though, the
wall-clock time is obviously dominated by how long it takes for
the build tool to decide that. A build tool that doesn't decide
whether or not targets are up-to-date *and* dispatch the commnds
to rebuild them reasonably quickly and efficiently doesn't do a
good job of serving its users.
--SK
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