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Revision 1.4 - (show annotations) (download)
Sat Jan 26 11:34:16 2013 UTC (2 years, 3 months ago) by mgorny
Branch: MAIN
Changes since 1.3: +13 -1 lines
Introduce MULTILIB_USEDEP to enforce correct dependencies.

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 1.3 2013/01/20 23:42:48 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 case ${EAPI:-0} in
23 2|3|4|5) ;;
24 *) die "EAPI=${EAPI} is not supported" ;;
25 esac
26
27 if [[ ${AUTOTOOLS_IN_SOURCE_BUILD} ]]; then
28 die "${ECLASS}: multilib support requires out-of-source builds."
29 fi
30
31 inherit autotools-utils multilib
32
33 EXPORT_FUNCTIONS src_configure src_compile src_test src_install
34
35 IUSE=multilib
36
37 # @ECLASS-VARIABLE: MULTILIB_USEDEP
38 # @DESCRIPTION:
39 # The USE-dependency to be used on dependencies (libraries) needing
40 # to support multilib as well.
41 #
42 # Example use:
43 # @CODE
44 # RDEPEND="dev-libs/libfoo[${MULTILIB_USEDEP}]
45 # net-libs/libbar[ssl,${MULTILIB_USEDEP}]"
46 # @CODE
47 MULTILIB_USEDEP=multilib?
48
49 # @FUNCTION: autotools-multilib_foreach_abi
50 # @USAGE: argv...
51 # @DESCRIPTION:
52 # If multilib support is enabled, sets the toolchain up for each
53 # supported ABI along with the ABI variable and correct BUILD_DIR,
54 # and runs the given commands with them.
55 #
56 # If multilib support is disabled, it just runs the commands. No setup
57 # is done.
58 autotools-multilib_foreach_abi() {
59 local initial_dir=${BUILD_DIR:-${S}}
60
61 if use multilib; then
62 local ABI
63 for ABI in $(get_all_abis); do
64 multilib_toolchain_setup "${ABI}"
65 BUILD_DIR=${initial_dir%%/}-${ABI} "${@}"
66 done
67 else
68 "${@}"
69 fi
70 }
71
72 autotools-multilib_src_configure() {
73 autotools-multilib_foreach_abi autotools-utils_src_configure
74 }
75
76 autotools-multilib_src_compile() {
77 autotools-multilib_foreach_abi autotools-utils_src_compile
78 }
79
80 autotools-multilib_src_test() {
81 autotools-multilib_foreach_abi autotools-utils_src_test
82 }
83
84 autotools-multilib_src_install() {
85 autotools-multilib_foreach_abi autotools-utils_src_install
86 }

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