On Jan 24, 2013, at 02:09 , Tom Tanner (BLOOMBERG/ LONDON)
<[email protected]> wrote:
> Assumuning (and this is a biggish assumption but works for our setup) that
> the scons cache is on the same filing system as your build directory, so that
> it would be possible to do hard links, is there any subtle disadvantage of
> hard-linking rather than copying build targets?
The biggest danger is that someone will alter a file in their build
tree, which also alters the file in your scons_cache, but does not alter the
MD5 hash by which the file is found in the cache. I.e., cache corruption.
This is especially pernicious if you hard-link files from your cache
into your build output tree and use them to, say, build an RPM, which will
strip them without asking you first.
DAMHIK.
--
Chris BeHanna
[email protected]
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