On Wed, 19 Sep 2012 21:42:35 +0100 Ciaran McCreesh <ciaran.mccre...@googlemail.com> wrote:
> -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > On Wed, 19 Sep 2012 16:33:13 -0400 > Ian Stakenvicius <a...@gentoo.org> wrote: > > On 19/09/12 03:37 PM, Ciaran McCreesh wrote: > > > On Wed, 19 Sep 2012 15:26:44 -0400 Alexandre Rostovtsev > > > <tetrom...@gentoo.org> wrote: > > >> Pacho Ramos has suggested making vala_src_prepare() into a no-op > > >> in the common situation where vala is in IUSE and USE=-vala. > > > > > > There's no way to obtain the effective value of IUSE from within > > > an ebuild or eclass. You'll need to use an independent variable to > > > get this information. > > > > > > > I don't think that the 'effective' value of IUSE matters in this > > particular case. This would be the 'explicit' value as is > > hard-coded in the ebuild that would need to be checked against, I > > expect? > > > > Unless eclasses and phase functions are in the habit of removing > > entries from IUSE, I don't see this being an issue? > > No, you're not guaranteed to get the ebuild's value of IUSE, or any > particular eclass's value of IUSE, or the merged value of IUSE. In > particular for this case, it's possible to get false negatives. Then fix the spec. -- Best regards, Michał Górny
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