/[gentoo-x86]/eclass/autotools-multilib.eclass
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Revision 1.8 - (show annotations) (download)
Fri Feb 1 21:39:50 2013 UTC (20 months, 2 weeks ago) by mgorny
Branch: MAIN
Changes since 1.7: +40 -80 lines
Introduce a common multilib-build eclass to help building packages for multilib, and use the new ABI_X86 flags in it.

1 # Copyright 1999-2013 Gentoo Foundation
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 $
4
5 # @ECLASS: autotools-multilib.eclass
6 # @MAINTAINER:
7 # Michał Górny <mgorny@gentoo.org>
8 # @BLURB: autotools-utils wrapper for multilib builds
9 # @DESCRIPTION:
10 # The autotools-multilib.eclass is an autotools-utils.eclass(5) wrapper
11 # introducing support for building for more than one ABI (multilib).
12 #
13 # Inheriting this eclass sets IUSE=multilib and exports autotools-utils
14 # phase function wrappers which build the package for each supported ABI
15 # if the flag is enabled. Otherwise, it works like regular
16 # autotools-utils.
17 #
18 # Note that the multilib support requires out-of-source builds to be
19 # enabled. Thus, it is impossible to use AUTOTOOLS_IN_SOURCE_BUILD with
20 # it.
21
22 # EAPI=5 is required for meaningful MULTILIB_USEDEP.
23 case ${EAPI:-0} in
24 5) ;;
25 *) die "EAPI=${EAPI} is not supported" ;;
26 esac
27
28 if [[ ${AUTOTOOLS_IN_SOURCE_BUILD} ]]; then
29 die "${ECLASS}: multilib support requires out-of-source builds."
30 fi
31
32 inherit autotools-utils multilib-build
33
34 EXPORT_FUNCTIONS src_configure src_compile src_test src_install
35
36 autotools-multilib_src_configure() {
37 multilib_parallel_foreach_abi autotools-utils_src_configure
38 }
39
40 autotools-multilib_src_compile() {
41 multilib_foreach_abi autotools-utils_src_compile
42 }
43
44 autotools-multilib_src_test() {
45 multilib_foreach_abi autotools-utils_src_test
46 }
47
48 autotools-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
83 multilib_foreach_abi autotools-multilib_secure_install
84 }

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