-----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. - -- Ciaran McCreesh -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.19 (GNU/Linux) iEYEARECAAYFAlBaLj0ACgkQ96zL6DUtXhHGQACgtfKtKsIt1X3emCWK2qWgrFg5 y5MAn1sK5Pmf2sGFSB7j3bZJDHYr399O =ICAN -----END PGP SIGNATURE-----
