commit: 5b38fedf14824cae1cecf64d11a1847859ecab2c Author: Michał Górny <mgorny <AT> gentoo <DOT> org> AuthorDate: Thu Apr 27 16:37:45 2017 +0000 Commit: Michał Górny <mgorny <AT> gentoo <DOT> org> CommitDate: Tue May 16 17:11:26 2017 +0000 URL: https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=5b38fedf
ninja-utils.eclass: Add a new eclass to handle calling ninja eclass/ninja-utils.eclass | 57 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 57 insertions(+) diff --git a/eclass/ninja-utils.eclass b/eclass/ninja-utils.eclass new file mode 100644 index 00000000000..69216176ba6 --- /dev/null +++ b/eclass/ninja-utils.eclass @@ -0,0 +1,57 @@ +# Copyright 1999-2017 Gentoo Foundation +# Distributed under the terms of the GNU General Public License v2 + +# @ECLASS: ninja-utils.eclass +# @MAINTAINER: +# Michał Górny <[email protected]> +# Mike Gilbert <[email protected]> +# @AUTHOR: +# Michał Górny <[email protected]> +# Mike Gilbert <[email protected]> +# @BLURB: common bits to run dev-util/ninja builder +# @DESCRIPTION: +# This eclass provides a single function -- eninja -- that can be used +# to run the ninja builder alike emake. It does not define any +# dependencies, you need to depend on dev-util/ninja yourself. Since +# ninja is rarely used stand-alone, most of the time this eclass will +# be used indirectly by the eclasses for other build systems (CMake, +# Meson). + +if [[ -z ${_NINJA_UTILS_ECLASS} ]]; then + +case ${EAPI:-0} in + 0|1|3) die "EAPI=${EAPI:-0} is not supported (too old)";; + # copied from cmake-utils + 2|4|5|6) ;; + *) die "EAPI=${EAPI} is not yet supported" ;; +esac + +# @ECLASS-VARIABLE: NINJAOPTS +# @DEFAULT_UNSET +# @DESCRIPTION: +# The default set of options to pass to Ninja. Similar to MAKEOPTS, +# supposed to be set in make.conf. If unset, eninja() will convert +# MAKEOPTS instead. + +inherit multiprocessing + +# @FUNCTION: eninja +# @USAGE: [<args>...] +# @DESCRIPTION: +# Call Ninja, passing the NINJAOPTS (or converted MAKEOPTS), followed +# by the supplied arguments. This function dies if ninja fails. Starting +# with EAPI 6, it also supports being called via 'nonfatal'. +eninja() { + local nonfatal_args=() + [[ ${EAPI:-0} != [245] ]] && nonfatal_args+=( -n ) + + if [[ -z ${NINJAOPTS+set} ]]; then + NINJAOPTS="-j$(makeopts_jobs) -l$(makeopts_loadavg "${MAKEOPTS}" 0)" + fi + set -- ninja -v ${NINJAOPTS} "$@" + echo "$@" >&2 + "$@" || die "${nonfatal_args[@]}" "${*} failed" +} + +_NINJA_UTILS_ECLASS=1 +fi
