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Date: Fri, 5 May 2017 10:35:43 -0500
From: William Hubbs <williamh@gentoo.org>
To: gentoo development <gentoo-dev@lists.gentoo.org>
Subject: [gentoo-dev] meson.eclass third draft
Message-ID: <20170505153543.GA2377@linux1>
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All,
here is the third (and hopefully final) draft of meson.eclass. I am
leaving the code in for the cross support but commented so all I need to
do later is add toolchain-funcs back to inherit and uncomment the code
once I know how to write the cross file, which shouldn't take too long.
I added a link to the documentation for it in the comments.
Thanks,
William
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Content-Disposition: attachment; filename="meson.eclass"
# Copyright 2017 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# @ECLASS: meson.eclass
# @MAINTAINER:
# William Hubbs <williamh@gentoo.org>
# @BLURB: common ebuild functions for meson-based packages
# @DESCRIPTION:
#
# @EXAMPLE:
# Typical ebuild using meson.eclass:
#
# @CODE
# EAPI=6
#
# inherit meson
#
# ...
#
# src_configure() {
# local emesonargs=(
# -Dqt4=$(usex qt4 true false)
# -Dthreads=$(usex threads true false)
# -Dtiff=$(usex tiff true false)
# )
# meson_src_configure
# }
#
# ...
#
# @CODE
case ${EAPI:-0} in
6) ;;
*) die "EAPI=${EAPI} is not supported" ;;
esac
EXPORT_FUNCTIONS src_configure src_compile src_test src_install
if [[ -z ${_MESON_ECLASS} ]]; then
_MESON_ECLASS=1
inherit ninja-utils
DEPEND=">=dev-util/meson-0.39.1
>=dev-util/ninja-1.7.2"
# @ECLASS-VARIABLE: BUILD_DIR
# @DEFAULT_UNSET
# @DESCRIPTION:
# Build directory, location where all generated files should be placed.
# If this isn't set, it defaults to ${WORKDIR}/${P}-build.
# @ECLASS-VARIABLE: EMESON_SOURCE
# @DEFAULT_UNSET
# @DESCRIPTION:
# The location of the source files for the project;this is the source
# directory to pass to meson.
# If this isn't set, it defaults to ${S}
# @VARIABLE: emesonargs
# @DEFAULT_UNSET
# @DESCRIPTION:
# Optional meson arguments as Bash array; this should be defined before
# calling meson_src_configure.
# create a cross file for meson
# fixme: populate one instead of just touching it
# _meson_create_cross_file() {
# http://mesonbuild.com/Cross-compilation.html
# touch "${T}"/meson.crossfile
# }
# @FUNCTION: meson_src_configure
# @DESCRIPTION:
# this is the meson_src_configure function
meson_src_configure() {
debug-print-function ${FUNCNAME} "$@"
# Common args
local mesonargs=(
--buildtype plain
--libdir "$(get_libdir)"
--localstatedir "${EPREFIX}/var/lib"
--prefix "${EPREFIX}"/usr
--sysconfdir "${EPREFIX}/etc"
)
# if tc-is-cross-compiler; then
# _meson_create_cross_file || die "unable to write meson cross file"
# mesonargs+=(
# --cross-file "${T}"/meson.crossfile
# )
# fi
# Append additional arguments from ebuild
mesonargs+=("${emesonargs[@]}")
BUILD_DIR="${BUILD_DIR:-${WORKDIR}/${P}-build}"
set -- meson "${mesonargs[@]}" "$@" \
"${EMESON_SOURCE:-${S}}" "${BUILD_DIR}"
echo "$@"
"$@" || die
}
# @FUNCTION: meson_src_compile
# @DESCRIPTION:
# This is the meson_src_compile function.
meson_src_compile() {
debug-print-function ${FUNCNAME} "$@"
eninja -v -C "${BUILD_DIR}"
}
# @FUNCTION: meson_src_test
# @DESCRIPTION:
# this is the meson_src_test function.
meson_src_test() {
debug-print-function ${FUNCNAME} "$@"
eninja -v -C "${BUILD_DIR}" test
}
# @FUNCTION: meson_src_install
# @DESCRIPTION:
# this is the meson_src_install function.
meson_src_install() {
debug-print-function ${FUNCNAME} "$@"
DESTDIR="${D}" eninja -v -C "${BUILD_DIR}" install || die
}
fi
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