# Copyright 1999-2017 Gentoo Foundation # Distributed under the terms of the GNU General Public License v2 # @ECLASS: ninja-utils.eclass # @MAINTAINER: # Michał Górny <mgorny@gentoo.org> # Mike Gilbert <floppym@gentoo.org> # @AUTHOR: # Michał Górny <mgorny@gentoo.org> # Mike Gilbert <floppym@gentoo.org> # @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