95 lines
3.1 KiB
Bash
95 lines
3.1 KiB
Bash
# Copyright 1999-2012 Gentoo Foundation
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# Distributed under the terms of the GNU General Public License v2
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# $Header: /var/cvsroot/gentoo-x86/eclass/boost-utils.eclass,v 1.3 2012/10/07 08:29:49 mgorny Exp $
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if [[ ! ${_BOOST_ECLASS} ]]; then
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# @ECLASS: boost-utils.eclass
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# @MAINTAINER:
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# Michał Górny <mgorny@gentoo.org>
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# Tiziano Müller <dev-zero@gentoo.org>
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# Sebastian Luther <SebastianLuther@gmx.de>
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# Arfrever Frehtes Taifersar Arahesis <arfrever.fta@gmail.com>
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# @BLURB: helper functions for packages using Boost C++ library
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# @DESCRIPTION:
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# Helper functions to be used when building packages using the Boost C++
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# library collection.
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#
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# Please note that this eclass does not set the dependencies for you.
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# You need to do that yourself.
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#
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# For cmake & autotools it is usually necessary to set BOOST_ROOT using
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# boost-utils_export_root. However, other build system may require more
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# hackery or even appending -I$(boost-utils_get_includedir) to CFLAGS
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# and -L$(boost-utils_get_libdir) to LDFLAGS.
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case ${EAPI:-0} in
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0|1|2|3|4|5) ;;
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*) die "${ECLASS}.eclass API in EAPI ${EAPI} not yet established."
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esac
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inherit multilib versionator
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# @ECLASS-VARIABLE: BOOST_MAX_SLOT
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# @DEFAULT_UNSET
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# @DESCRIPTION:
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# The maximal (newest) boost slot supported by the package. If unset,
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# there is no limit (the newest installed version will be used).
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# @FUNCTION: boost-utils_get_best_slot
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# @DESCRIPTION:
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# Get newest installed slot of Boost. If BOOST_MAX_SLOT is set, the version
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# returned will be at most in the specified slot.
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boost-utils_get_best_slot() {
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local pkg=dev-libs/boost
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[[ ${BOOST_MAX_SLOT} ]] && pkg="<=${pkg}-${BOOST_MAX_SLOT}.9999"
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local cpv=$(best_version ${pkg})
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get_version_component_range 1-2 ${cpv#dev-libs/boost-}
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}
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# @FUNCTION: boost-utils_get_includedir
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# @USAGE: [slot]
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# @DESCRIPTION:
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# Get the includedir for the given Boost slot. If no slot is given,
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# defaults to the newest installed Boost slot (but not newer than
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# BOOST_MAX_SLOT if that variable is set).
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#
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# Outputs the sole path (without -I).
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boost-utils_get_includedir() {
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local slot=${1:-$(boost-utils_get_best_slot)}
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has "${EAPI:-0}" 0 1 2 && ! use prefix && EPREFIX=
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echo -n "${EPREFIX}/usr/include/boost-${slot/./_}"
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}
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# @FUNCTION: boost-utils_get_libdir
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# @USAGE: [slot]
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# @DESCRIPTION:
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# Get the libdir for the given Boost slot. If no slot is given, defaults
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# to the newest installed Boost slot (but not newer than BOOST_MAX_SLOT
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# if that variable is set).
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#
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# Outputs the sole path (without -L).
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boost-utils_get_libdir() {
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local slot=${1:-$(boost-utils_get_best_slot)}
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has "${EAPI:-0}" 0 1 2 && ! use prefix && EPREFIX=
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echo -n "${EPREFIX}/usr/$(get_libdir)/boost-${slot/./_}"
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}
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# @FUNCTION: boost-utils_export_root
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# @USAGE: [slot]
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# @DESCRIPTION:
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# Set the BOOST_ROOT variable to includedir for the given Boost slot.
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# If no slot is given, defaults to the newest installed Boost slot(but
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# not newer than BOOST_MAX_SLOT if that variable is set).
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#
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# This variable satisfies both cmake and sys-devel/boost-m4 autoconf
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# macros.
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boost-utils_export_root() {
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export BOOST_ROOT=$(boost-utils_get_includedir "${@}")
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}
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_BOOST_ECLASS=1
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fi # _BOOST_ECLASS
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