meson.eclass

meson.eclass (text/plain), 3.06 KB, created by William Hubbs on 2017-04-02 22:36:36 UTC

# Copyright 2017 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2

# @ECLASS: meson.eclass
# @MAINTAINER:
# William Hubbs <[e-mail]>
# @BLURB: common ebuild functions for meson-based packages
# @DESCRIPTION:
#
# @EXAMPLE:
# Typical ebuild using meson.eclass:
#
# @CODE
# EAPI=6
#
# inherit meson
#
# ...
#
# src_configure() {
# 	local mymesonargs=(
# 		$(use_enable debug)
# 		$(use_with qt4)
# 		$(use_enable threads multithreading)
# 		$(use_with tiff)
# 	)
# 	meson_src_configure
# }
#
# src_compile() {
# 	meson_src_compile
# }
#
# src_install() {
# 	meson_src_install
# }
#
# @CODE

case ${EAPI:-0} in
	6) ;;
	*) die "EAPI=${EAPI} is not supported" ;;
esac

EXPORT_FUNCTIONS src_configure src_compile src_install src_test

if [[ -z ${_MESON} ]]; then

DEPEND=">=dev-util/meson-0.39.1"

# @ECLASS-VARIABLE: BUILD_DIR
# @DEFAULT_UNSET
# @DESCRIPTION:
# Build directory, location where all generated files should be placed.
# The default is ${WORKDIR}/${P}_build.

# @VARIABLE: mymesonargs
# @DEFAULT_UNSET
# @DESCRIPTION:
# Optional meson arguments as Bash array; this should be defined before
# calling meson_src_configure.
# @CODE
# src_configure() {
# 	local mymesonargs=(
# 		--disable-readline
# 		--with-confdir="/etc/nasty foo confdir/"
# 		$(use_enable debug cnddebug)
# 		$(use_enable threads multithreading)
# 	)
# 	meson_src_configure
# }
# @CODE

# Set build directory
_set_build_dir() {
	: ${BUILD_DIR:=${WORKDIR}/${P}_build}
	echo ">>> Working in BUILD_DIR: \"${BUILD_DIR}\""
}

# @FUNCTION: meson_src_configure
# @DESCRIPTION:
# The src_configure function.
# Configuration parameters defined in myconfargs are passed to meson.
# Additionally, the static-libs use flag is known and toggles the
# --default-library setting to static if it is defined.
meson_src_configure() {
	debug-print-function ${FUNCNAME} "$@"

	[[ -z ${mymesonargs+1} || $(declare -p mymesonargs) == 'declare -a'* ]] \
		|| die 'meson.eclass: mymesonargs must be an array.'

	# Common args
	local mesonargs=(
		--prefix "${EPREFIX}"/usr
		--buildtype plain
		)

	# Handle static-libs found in IUSE, disable them by default
	if in_iuse static-libs; then
		mesonargs+=(
			--default-library $(usex static-libs static shared)
		)
	fi

	# for crossdev we need to find a way to generate a crossfile then do
	# this:
	#mesonargs+=(
	#	--cross-file /path/to/crossfile
	#	)

	# Append user args
	mesonargs+=("${mymesonargs[@]}")

	_set_build_dir
	CFLAGS="${CFLAGS}" CXXFLAGS="${CXXFLAGS}" LDFLAGS="${LDFLAGS}" \
	meson "${mesonargs[@]}" "${BUILD_DIR}" "$@"
}

# @FUNCTION: meson_src_compile
# @DESCRIPTION:
# The src_compile function.
meson_src_compile() {
	debug-print-function ${FUNCNAME} "$@"

	ninja -v -C "${BUILD_DIR}" || die
}

# @FUNCTION: meson_src_test
# @DESCRIPTION:
# The src_test function.
meson_src_test() {
	debug-print-function ${FUNCNAME} "$@"

	ninja -C "${BUILD_DIR}" test || die
}

# @FUNCTION: meson_src_install
# @DESCRIPTION:
# The src_install function.
meson_src_install() {
	debug-print-function ${FUNCNAME} "$@"

	DESTDIR="${ED}" ninja -C "${BUILD_DIR}" install || die
}

_MESON=1
fi