On Tue, 28 Aug 2012 06:26:02 +0200 Arfrever Frehtes Taifersar Arahesis <arfrever....@gmail.com> wrote:
> 2012-08-28 00:19:28 Michał Górny napisał(a):
> > --- /dev/null
> > +++ b/gx86/eclass/boost-utils.eclass
> > @@ -0,0 +1,43 @@
> > +# Copyright 1999-2012 Gentoo Foundation
> > +# Distributed under the terms of the GNU General Public License v2
> > +# $Header: $
> > +
> > +if [[ ! ${_BOOST_ECLASS} ]]; then
> > +
> > +# @ECLASS: boost-utils.eclass
> > +# @MAINTAINER:
> > +# mgo...@gentoo.org
>
> It is better to copy list of maintainers from
> gentoo-x86/dev-libs/boost/metadata.xml.
>
> > +# @BLURB: helper functions for packages using Boost C++ library
> > +# @DESCRIPTION:
> > +# Helper functions to be used when building packages using the
> > Boost C++ +# library collection.
> > +
> > +case ${EAPI:-0} in
> > + 0|1|2|3|4) ;;
> > + *) die "${ECLASS}.eclass API in EAPI ${EAPI} not yet
> > established." +esac
>
> Please accept all EAPIs.
These are EAPIs which are allowed throughout the tree, sorry. Feel free
to ping Council about adding non-standard EAPIs to eclasses.
> > +inherit versionator
> > +
> > +# @FUNCTION: boost-utils_get_best_slot
> > +# @DESCRIPTION:
> > +# Get newest SLOT (major version) of Boost.
> > +boost-utils_get_best_slot() {
> > + local pkg=dev-libs/boost
> > + local atom=$(best_version ${pkg})
> > + get_version_component_range 1-2 ${atom#${pkg}}
> > +}
> > +
> > +# @FUNCTION: boost-utils_get_includedir
> > +# @DESCRIPTION:
> > +# Get correct includedir for best Boost version. Outputs the sole
> > path +# (without -I).
> > +boost-utils_get_includedir() {
> > + local slot=$(boost-utils_get_best_slot)
> > + has "${EAPI:-0}" 0 1 2 && ! use prefix && EPREFIX=
> > +
> > + echo -n "${EPREFIX}/usr/include/boost-${slot/./_}"
> > +}
>
> There needs to be a way to specify maximal accepted slot of Boost.
> Examples of some possibilities:
> * BOOST_MAX_SLOT="1.49" global variable
> * '--max 1.49' arguments for boost-utils_get_* functions
I'd rather wait with that till Tiziano expresses his opinion. I think
the policy ought to be 'always prefer newest version' but I guess
that's hard with boost.
--
Best regards,
Michał Górny
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