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Diffstat (limited to 'eclass/multibuild.eclass')
| -rw-r--r-- | eclass/multibuild.eclass | 282 |
1 files changed, 0 insertions, 282 deletions
diff --git a/eclass/multibuild.eclass b/eclass/multibuild.eclass deleted file mode 100644 index c29f4d89..00000000 --- a/eclass/multibuild.eclass +++ /dev/null @@ -1,282 +0,0 @@ -# Copyright 1999-2015 Gentoo Foundation -# Distributed under the terms of the GNU General Public License v2 - -# @ECLASS: multibuild.eclass -# @MAINTAINER: -# Michał Górny <mgorny@gentoo.org> -# @AUTHOR: -# Author: Michał Górny <mgorny@gentoo.org> -# @BLURB: A generic eclass for building multiple variants of packages. -# @DESCRIPTION: -# The multibuild eclass aims to provide a generic framework for building -# multiple 'variants' of a package (e.g. multilib, Python -# implementations). - -case "${EAPI:-0}" in - 0|1|2|3) - die "Unsupported EAPI=${EAPI:-0} (too old) for ${ECLASS}" - ;; - 4|5|6) - ;; - *) - die "Unsupported EAPI=${EAPI} (unknown) for ${ECLASS}" - ;; -esac - -if [[ ! ${_MULTIBUILD} ]]; then - -# @ECLASS-VARIABLE: MULTIBUILD_VARIANTS -# @DESCRIPTION: -# An array specifying all enabled variants which multibuild_foreach* -# can execute the process for. -# -# In ebuild, it can be set in global scope. Eclasses should set it -# locally in function scope to support nesting properly. -# -# Example: -# @CODE -# python_foreach_impl() { -# local MULTIBUILD_VARIANTS=( python{2_5,2_6,2_7} ... ) -# multibuild_foreach_variant python_compile -# } -# @CODE - -# @ECLASS-VARIABLE: MULTIBUILD_VARIANT -# @DESCRIPTION: -# The current variant which the function was executed for. -# -# If nested multibuilds are used, this value can be an array. In that -# case, the first element will name the deepest multibuild, and the next -# elements will go outwards. -# -# Example value: -# @CODE -# python2_6 -# @CODE - -# @ECLASS-VARIABLE: MULTIBUILD_ID -# @DESCRIPTION: -# The unique identifier for a multibuild run. In a simple run, it is -# equal to MULTIBUILD_VARIANT. In a nested multibuild environment, it -# contains the complete selection tree. -# -# It can be used to create variant-unique directories and files. -# -# If nested multibuilds are used, this value can be an array. In that -# case, the first element will name the deepest multibuild, and the next -# elements will go outwards. -# -# Example value: -# @CODE -# amd64-double -# @CODE - -# @ECLASS-VARIABLE: BUILD_DIR -# @DESCRIPTION: -# The current build directory. In global scope, it is supposed -# to contain an 'initial' build directory. If unset, ${S} is used. -# -# multibuild_foreach_variant() sets BUILD_DIR locally -# to variant-specific build directories based on the initial value -# of BUILD_DIR. -# -# If nested multibuilds are used, this value can be an array. In that -# case, the first element will name the deepest multibuild, and the next -# elements will go outwards. -# -# Example value: -# @CODE -# ${WORKDIR}/foo-1.3-python2_6 -# @CODE - -# @FUNCTION: multibuild_foreach_variant -# @USAGE: [<argv>...] -# @DESCRIPTION: -# Run the passed command repeatedly for each of the enabled package -# variants. -# -# Each of the runs will have variant-specific BUILD_DIR set, and output -# teed to a separate log in ${T}. -# -# The function returns 0 if all commands return 0, or the first non-zero -# exit status otherwise. However, it performs all the invocations -# nevertheless. It is preferred to call 'die' inside of the passed -# function. -multibuild_foreach_variant() { - debug-print-function ${FUNCNAME} "${@}" - - [[ ${MULTIBUILD_VARIANTS} ]] \ - || die "MULTIBUILD_VARIANTS need to be set" - - local bdir=${BUILD_DIR:-${S}} - - # Avoid writing outside WORKDIR if S=${WORKDIR}. - [[ ${bdir%%/} == ${WORKDIR%%/} ]] && bdir=${WORKDIR}/build - - local prev_id=${MULTIBUILD_ID:+${MULTIBUILD_ID}-} - local ret=0 lret=0 v - - debug-print "${FUNCNAME}: initial build_dir = ${bdir}" - - for v in "${MULTIBUILD_VARIANTS[@]}"; do - local MULTIBUILD_VARIANT=( "${v}" "${MULTIBUILD_VARIANT[@]}" ) - local MULTIBUILD_ID=( "${prev_id}${v}" "${MULTIBUILD_ID[@]}" ) - local BUILD_DIR=( "${bdir%%/}-${v}" "${BUILD_DIR[@]}" ) - - _multibuild_run() { - # find the first non-private command - local i=1 - while [[ ${!i} == _* ]]; do - (( i += 1 )) - done - - [[ ${i} -le ${#} ]] && einfo "${v}: running ${@:${i}}" - "${@}" - } - - _multibuild_run "${@}" \ - > >(exec tee -a "${T}/build-${MULTIBUILD_ID}.log") 2>&1 - lret=${?} - done - [[ ${ret} -eq 0 && ${lret} -ne 0 ]] && ret=${lret} - - return ${ret} -} - -# @FUNCTION: multibuild_parallel_foreach_variant -# @USAGE: [<argv>...] -# @DESCRIPTION: -# Run the passed command repeatedly for each of the enabled package -# variants. This used to run the commands in parallel but now it's -# just a deprecated alias to multibuild_foreach_variant. -# -# The function returns 0 if all commands return 0, or the first non-zero -# exit status otherwise. However, it performs all the invocations -# nevertheless. It is preferred to call 'die' inside of the passed -# function. -multibuild_parallel_foreach_variant() { - debug-print-function ${FUNCNAME} "${@}" - - [[ ${EAPI} == [45] ]] || die "${FUNCNAME} is banned in EAPI ${EAPI}" - - multibuild_foreach_variant "${@}" -} - -# @FUNCTION: multibuild_for_best_variant -# @USAGE: [<argv>...] -# @DESCRIPTION: -# Run the passed command once, for the best of the enabled package -# variants. -# -# The run will have a proper, variant-specificBUILD_DIR set, and output -# teed to a separate log in ${T}. -# -# The function returns command exit status. -multibuild_for_best_variant() { - debug-print-function ${FUNCNAME} "${@}" - - [[ ${MULTIBUILD_VARIANTS} ]] \ - || die "MULTIBUILD_VARIANTS need to be set" - - # bash-4.1 can't handle negative subscripts - local MULTIBUILD_VARIANTS=( - "${MULTIBUILD_VARIANTS[$(( ${#MULTIBUILD_VARIANTS[@]} - 1 ))]}" - ) - multibuild_foreach_variant "${@}" -} - -# @FUNCTION: multibuild_copy_sources -# @DESCRIPTION: -# Create per-variant copies of source tree. The source tree is assumed -# to be in ${BUILD_DIR}, or ${S} if the former is unset. The copies will -# be placed in directories matching BUILD_DIRs used by -# multibuild_foreach(). -multibuild_copy_sources() { - debug-print-function ${FUNCNAME} "${@}" - - local _MULTIBUILD_INITIAL_BUILD_DIR=${BUILD_DIR:-${S}} - - einfo "Will copy sources from ${_MULTIBUILD_INITIAL_BUILD_DIR}" - - local cp_args=() - if cp --reflink=auto --version &>/dev/null; then - # enable reflinking if possible to make this faster - cp_args+=( --reflink=auto ) - fi - - _multibuild_create_source_copy() { - einfo "${MULTIBUILD_VARIANT}: copying to ${BUILD_DIR}" - cp -p -R "${cp_args[@]}" \ - "${_MULTIBUILD_INITIAL_BUILD_DIR}" "${BUILD_DIR}" || die - } - - multibuild_foreach_variant _multibuild_create_source_copy -} - -# @FUNCTION: run_in_build_dir -# @USAGE: <argv>... -# @DESCRIPTION: -# Run the given command in the directory pointed by BUILD_DIR. -run_in_build_dir() { - debug-print-function ${FUNCNAME} "${@}" - local ret - - [[ ${#} -ne 0 ]] || die "${FUNCNAME}: no command specified." - [[ ${BUILD_DIR} ]] || die "${FUNCNAME}: BUILD_DIR not set." - - mkdir -p "${BUILD_DIR}" || die - pushd "${BUILD_DIR}" >/dev/null || die - "${@}" - ret=${?} - popd >/dev/null || die - - return ${ret} -} - -# @FUNCTION: multibuild_merge_root -# @USAGE: <src-root> <dest-root> -# @DESCRIPTION: -# Merge the directory tree (fake root) from <src-root> to <dest-root> -# (the real root). Both directories have to be real, absolute paths -# (i.e. including ${D}). Source root will be removed. -multibuild_merge_root() { - local src=${1} - local dest=${2} - - local ret - - if use userland_BSD; then - # Most of BSD variants fail to copy broken symlinks, #447370 - # also, they do not support --version - - tar -C "${src}" -f - -c . \ - | tar -x -f - -C "${dest}" - [[ ${PIPESTATUS[*]} == '0 0' ]] - ret=${?} - else - local cp_args=() - - if cp -a --version &>/dev/null; then - cp_args+=( -a ) - else - cp_args+=( -P -R -p ) - fi - - if cp --reflink=auto --version &>/dev/null; then - # enable reflinking if possible to make this faster - cp_args+=( --reflink=auto ) - fi - - cp "${cp_args[@]}" "${src}"/. "${dest}"/ - ret=${?} - fi - - if [[ ${ret} -ne 0 ]]; then - die "${MULTIBUILD_VARIANT:-(unknown)}: merging image failed." - fi - - rm -rf "${src}" -} - -_MULTIBUILD=1 -fi |