eclass/cmake-multilib.eclass


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# Copyright 1999-2021 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

# @ECLASS: cmake-multilib.eclass
# @MAINTAINER:
# Michał Górny <mgorny@gentoo.org>
# @AUTHOR:
# Author: Michał Górny <mgorny@gentoo.org>
# @SUPPORTED_EAPIS: 7
# @BLURB: cmake wrapper for multilib builds
# @DESCRIPTION:
# The cmake-multilib.eclass provides a glue between cmake.eclass(5)
# and multilib-minimal.eclass(5), aiming to provide a convenient way
# to build packages using cmake for multiple ABIs.
#
# Inheriting this eclass sets IUSE and exports default multilib_src_*()
# sub-phases that call cmake phase functions for each ABI enabled.
# The multilib_src_*() functions can be defined in ebuild just like
# in multilib-minimal, yet they ought to call appropriate cmake
# phase rather than 'default'.

# @ECLASS-VARIABLE: CMAKE_ECLASS
# @PRE_INHERIT
# @DESCRIPTION:
# Default is "cmake-utils" for compatibility in EAPI-7. Specify "cmake" for
# ebuilds that ported to cmake.eclass already. Future EAPI is "cmake" only.
: ${CMAKE_ECLASS:=cmake-utils}

# @ECLASS-VARIABLE: _CMAKE_ECLASS_IMPL
# @INTERNAL
# @DESCRIPTION:
# Default is "cmake" for future EAPI. Cleanup once EAPI-7 support is gone.
_CMAKE_ECLASS_IMPL=cmake

case ${EAPI:-0} in
	7)
		case ${CMAKE_ECLASS} in
			cmake-utils|cmake) ;;
			*)
				eerror "Unknown value for \${CMAKE_ECLASS}"
				die "Value ${CMAKE_ECLASS} is not supported"
				;;
		esac
		_CMAKE_ECLASS_IMPL=${CMAKE_ECLASS}
		;;
	*) die "EAPI=${EAPI} is not supported" ;;
esac

if [[ ${CMAKE_IN_SOURCE_BUILD} ]]; then
	die "${ECLASS}: multilib support requires out-of-source builds."
fi

inherit ${_CMAKE_ECLASS_IMPL} multilib-minimal

EXPORT_FUNCTIONS src_configure src_compile src_test src_install

cmake-multilib_src_configure() {
	local _cmake_args=( "${@}" )

	multilib-minimal_src_configure
}

multilib_src_configure() {
	${_CMAKE_ECLASS_IMPL}_src_configure "${_cmake_args[@]}"
}

cmake-multilib_src_compile() {
	local _cmake_args=( "${@}" )

	multilib-minimal_src_compile
}

multilib_src_compile() {
	${_CMAKE_ECLASS_IMPL}_src_compile "${_cmake_args[@]}"
}

cmake-multilib_src_test() {
	local _cmake_args=( "${@}" )

	multilib-minimal_src_test
}

multilib_src_test() {
	${_CMAKE_ECLASS_IMPL}_src_test "${_cmake_args[@]}"
}

cmake-multilib_src_install() {
	local _cmake_args=( "${@}" )

	multilib-minimal_src_install
}

multilib_src_install() {
	${_CMAKE_ECLASS_IMPL}_src_install "${_cmake_args[@]}"
}