Hi all,
I'm looking at ways to improve compile speed, and one obvious option is
to cache compile failures. I'm thinking of certain non-called-for-link
autoconf tests, in particular.
I'm aware that there's some danger here that we can end up caching
Ctrl-C interrupts, SIGTERM/SIGKILL terminations, out-of-memory failures,
and all manner of other non-reproducible failures, but these are the
unusual case, and nothing that can't be fixed with CCACHE_RECACHE. I
might suggest emitting an extra warning message that informs the user
that they are seeing a cached failure.
Before I waste time trying to implement this, are there any other
reasons for not doing this?
Has anybody else tried to do it already?
Thanks
Andrew
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