On Sun, 2005-07-03 at 15:13 +0200, Philip Lawatsch wrote:
> Hi,
> 
> I'd like to unmask (-*) certain versions of a package (gcc).
> 
> I'd like to keep the defaults for everything but I'd like to unmask
> 
> gcc-4.0.1_pre*
> 
> I've already tried to unmask
> 
> ~sys-devel/gcc-4.0.1_pre20050616 -*
> 
> and also
> 
> ~sys-devel/gcc-4.0.1 -*
> 
> but it didnt work. The first only only unmasked this one package and the
> second one didnt unmask anything.
> 
> I really do not want to unmask with <= foo and >= bar because I do not
> want to change any other defaults.
> 
> I'd really appreciate any pointers as to how I might do this one.
> 
> kind regards Philip

Try

=sys-devel/gcc-4.0.1* -*

or

=sys-devel/gcc-4.0.1_pre* -*

Remember that ~ only matches -r* revisions of a package, not _pre,
_alpha, _beta etc. This is covered (not all that clearly, admittedly) in
ebuild(5).

HTH,

Ed

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