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Re: Build failures on kernel version changes

On Sun, Jan 15, 2012 at 02:27:46PM +0100, Martin Husemann wrote:
> On Sun, Jan 15, 2012 at 02:21:19PM +0100, Nicolas Joly wrote:
> > Except that both gcc and binutils explicitely disallow passing user
> > specified cache file to subconfigures, except for special value
> > /dev/null (which is the default for top-level configure and disable
> > caching).
> Gah!
> So let's just check for it and remove all config.cache files when it
> happens.

Do you want to remove all caches when configure is rerun (for whatever
reason) ? Or only for os version bump ?

In the former case, it makes the cache files useless; they are only
used when configure is rerun. As for the latter, how do we easily
detect that cache files were generated from an different version ?

Nicolas Joly

Projects and Developments in Bioinformatics
Institut Pasteur, Paris.

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