/[gentoo-x86]/eclass/autotools-multilib.eclass
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1# Copyright 1999-2013 Gentoo Foundation 1# Copyright 1999-2013 Gentoo Foundation
2# Distributed under the terms of the GNU General Public License v2 2# Distributed under the terms of the GNU General Public License v2
3# $Header: /var/cvsroot/gentoo-x86/eclass/autotools-multilib.eclass,v 1.7 2013/01/26 11:39:41 mgorny Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/autotools-multilib.eclass,v 1.8 2013/02/01 21:39:50 mgorny Exp $
4 4
5# @ECLASS: autotools-multilib.eclass 5# @ECLASS: autotools-multilib.eclass
6# @MAINTAINER: 6# @MAINTAINER:
7# Michał Górny <mgorny@gentoo.org> 7# Michał Górny <mgorny@gentoo.org>
8# @BLURB: autotools-utils wrapper for multilib builds 8# @BLURB: autotools-utils wrapper for multilib builds
27 27
28if [[ ${AUTOTOOLS_IN_SOURCE_BUILD} ]]; then 28if [[ ${AUTOTOOLS_IN_SOURCE_BUILD} ]]; then
29 die "${ECLASS}: multilib support requires out-of-source builds." 29 die "${ECLASS}: multilib support requires out-of-source builds."
30fi 30fi
31 31
32inherit autotools-utils multilib multiprocessing 32inherit autotools-utils multilib-build
33 33
34EXPORT_FUNCTIONS src_configure src_compile src_test src_install 34EXPORT_FUNCTIONS src_configure src_compile src_test src_install
35 35
36IUSE=multilib
37
38# @ECLASS-VARIABLE: MULTILIB_USEDEP
39# @DESCRIPTION:
40# The USE-dependency to be used on dependencies (libraries) needing
41# to support multilib as well.
42#
43# Example use:
44# @CODE
45# RDEPEND="dev-libs/libfoo[${MULTILIB_USEDEP}]
46# net-libs/libbar[ssl,${MULTILIB_USEDEP}]"
47# @CODE
48MULTILIB_USEDEP='multilib(-)?'
49
50# @FUNCTION: autotools-multilib_foreach_abi
51# @USAGE: argv...
52# @DESCRIPTION:
53# If multilib support is enabled, sets the toolchain up for each
54# supported ABI along with the ABI variable and correct BUILD_DIR,
55# and runs the given commands with them.
56#
57# If multilib support is disabled, it just runs the commands. No setup
58# is done.
59autotools-multilib_foreach_abi() {
60 local initial_dir=${BUILD_DIR:-${S}}
61
62 if use multilib; then
63 local ABI
64 for ABI in $(get_all_abis); do
65 multilib_toolchain_setup "${ABI}"
66 BUILD_DIR=${initial_dir%%/}-${ABI} "${@}"
67 done
68 else
69 "${@}"
70 fi
71}
72
73# @FUNCTION: autotools-multilib_parallel_foreach_abi
74# @USAGE: argv...
75# @DESCRIPTION:
76# If multilib support is enabled, sets the toolchain up for each
77# supported ABI along with the ABI variable and correct BUILD_DIR,
78# and runs the given commands with them. The commands are run
79# in parallel with number of jobs being determined from MAKEOPTS.
80#
81# If multilib support is disabled, it just runs the commands. No setup
82# is done.
83#
84# Useful for running configure scripts.
85autotools-multilib_parallel_foreach_abi() {
86 local initial_dir=${BUILD_DIR:-${S}}
87
88 if use multilib; then
89 multijob_init
90
91 local ABI
92 for ABI in $(get_all_abis); do
93 (
94 multijob_child_init
95
96 multilib_toolchain_setup "${ABI}"
97 BUILD_DIR=${initial_dir%%/}-${ABI}
98 "${@}"
99 ) &
100
101 multijob_post_fork
102 done
103
104 multijob_finish
105 else
106 "${@}"
107 fi
108}
109
110autotools-multilib_src_configure() { 36autotools-multilib_src_configure() {
111 autotools-multilib_parallel_foreach_abi autotools-utils_src_configure 37 multilib_parallel_foreach_abi autotools-utils_src_configure
112} 38}
113 39
114autotools-multilib_src_compile() { 40autotools-multilib_src_compile() {
115 autotools-multilib_foreach_abi autotools-utils_src_compile 41 multilib_foreach_abi autotools-utils_src_compile
116} 42}
117 43
118autotools-multilib_src_test() { 44autotools-multilib_src_test() {
119 autotools-multilib_foreach_abi autotools-utils_src_test 45 multilib_foreach_abi autotools-utils_src_test
120} 46}
121 47
122autotools-multilib_src_install() { 48autotools-multilib_src_install() {
49 autotools-multilib_secure_install() {
50 autotools-utils_src_install
51
52 # Make sure all headers are the same for each ABI.
53 autotools-multilib_cksum() {
54 find "${ED}"usr/include -type f \
55 -exec cksum {} + | sort -k2
56 }
57
58 local cksum=$(autotools-multilib_cksum)
59 local cksum_file=${T}/.autotools-multilib_cksum
60
61 if [[ -f ${cksum_file} ]]; then
62 local cksum_prev=$(< "${cksum_file}")
63
64 if [[ ${cksum} != ${cksum_prev} ]]; then
65 echo "${cksum}" > "${cksum_file}.new"
66
67 eerror "Header files have changed between ABIs."
68
69 if type -p diff &>/dev/null; then
70 eerror "$(diff -du "${cksum_file}" "${cksum_file}.new")"
71 else
72 eerror "Old checksums in: ${cksum_file}"
73 eerror "New checksums in: ${cksum_file}.new"
74 fi
75
76 die "Header checksum mismatch, aborting."
77 fi
78 else
79 echo "${cksum}" > "${cksum_file}"
80 fi
81 }
82
123 autotools-multilib_foreach_abi autotools-utils_src_install 83 multilib_foreach_abi autotools-multilib_secure_install
124} 84}

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