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1# Copyright 1999-2004 Gentoo Foundation 1# Copyright 1999-2004 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/multilib.eclass,v 1.13 2005/01/17 04:20:55 eradicator Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/multilib.eclass,v 1.14 2005/01/18 04:56:03 eradicator Exp $
4# 4#
5# Author: Jeremy Huddleston <eradicator@gentoo.org> 5# Author: Jeremy Huddleston <eradicator@gentoo.org>
6# 6#
7# This eclass is for all functions pertaining to handling multilib. 7# This eclass is for all functions pertaining to handling multilib.
8# configurations. 8# configurations.
9 9
10ECLASS=multilib 10ECLASS=multilib
11INHERITED="$INHERITED $ECLASS" 11INHERITED="$INHERITED $ECLASS"
12 12
13DESCRIPTION="Based on the ${ECLASS} eclass" 13DESCRIPTION="Based on the ${ECLASS} eclass"
14
15# has_multilib_profile:
16# Return true if the current profile is a multilib profile. You might
17# want to use this like 'use multilib || has_multilib_profile' until
18# all profiles utilizing the 'multilib' use flag are removed from portage
19
20# is_final_abi:
21# Return true if ${ABI} is the final abi to be installed (and thus we are
22# on our last run through a src_* function.
23
24# number_abis:
25# echo the number of ABIs we will be installing for
26
27# get_abi_order:
28# Return a list of the ABIs we want to install for with
29# the last one in the list being the default.
30
31# get_all_libdir:
32# Returns a list of all the libdirs used by this profile. This includes
33# those that might not be touched by the current ebuild and always includes
34# "lib".
35
36# get_libdir:
37# Returns the libdir for the selected ABI. This is backwards compatible
38# and simply calls get_abi_LIBDIR() on newer profiles. You should use this
39# to determine where to install shared objects (ex: /usr/$(get_libdir))
40
41# get_abi_var <VAR> [<ABI>]:
42# returns the value of ${<VAR>_<ABI>} which should be set in make.defaults
43#
44# get_abi_CFLAGS:
45# get_abi_CDEFINE:
46# get_abi_LIBDIR:
47# Aliases for 'get_abi_var CFLAGS', etc.
48
49# get_ml_incdir [<include dir> [<ABI>]]
50# include dir defaults to /usr/include
51# ABI defaults to ${ABI} or ${DEFAULT_ABI}
52#
53# If a multilib include dir is associated with the passed include dir, then
54# we return it, otherwise, we just echo back the include dir. This is
55# neccessary when a built script greps header files rather than testing them
56# via #include (like perl) to figure out features.
57
58# prep_ml_includes:
59# Some includes (include/asm, glibc, etc) are ABI dependent. In this case,
60# We can install them in different locations for each ABI and create a common
61# header which includes the right one based on CDEFINE_${ABI}. If your
62# package installs ABI-specific headers, just add 'prep_ml_includes' to the
63# end of your src_install(). It takes a list of directories that include
64# files are installed in (default is /usr/include if none are passed).
65#
66# Example:
67# src_install() {
68# ...
69# prep_ml_includes /usr/qt/3/include
70# }
71
72# create_ml_includes <include dir> <symbol 1>:<dir 1> [<symbol 2>:<dir 2> ...]
73# If you need more control than prep_ml_includes can offer (like linux-headers
74# for the asm-* dirs, then use create_ml_includes. The firs argument is the
75# common dir. The remaining args are of the form <symbol>:<dir> where
76# <symbol> is what is put in the #ifdef for choosing that dir.
77#
78# Ideas for this code came from debian's sparc-linux headers package.
79#
80# Example:
81# create_ml_includes /usr/include/asm __sparc__:/usr/include/asm-sparc __sparc64__:/usr/include/asm-sparc64
82# create_ml_includes /usr/include/asm __i386__:/usr/include/asm-i386 __x86_64__:/usr/include/asm-x86_64
83
84### END DOCUMENTATION ###
85
86# has_multilib_profile()
87# Return true if
88has_multilib_profile() {
89 [ -n "${MULTILIB_ABIS}" ]
90}
14 91
15# This function simply returns the desired lib directory. With portage 92# This function simply returns the desired lib directory. With portage
16# 2.0.51, we now have support for installing libraries to lib32/lib64 93# 2.0.51, we now have support for installing libraries to lib32/lib64
17# to accomidate the needs of multilib systems. It's no longer a good idea 94# to accomidate the needs of multilib systems. It's no longer a good idea
18# to assume all libraries will end up in lib. Replace any (sane) instances 95# to assume all libraries will end up in lib. Replace any (sane) instances
150get_all_libdirs() { 227get_all_libdirs() {
151 local libdirs="lib" 228 local libdirs="lib"
152 local abi 229 local abi
153 local dir 230 local dir
154 231
155 if [ -n "${MULTILIB_ABIS}" ]; then 232 if has_multilib_profile; then
156 for abi in ${MULTILIB_ABIS}; do 233 for abi in ${MULTILIB_ABIS}; do
157 [ "$(get_abi_LIBDIR ${abi})" != "lib" ] && libdirs="${libdirs} $(get_abi_LIBDIR ${abi})" 234 [ "$(get_abi_LIBDIR ${abi})" != "lib" ] && libdirs="${libdirs} $(get_abi_LIBDIR ${abi})"
158 done 235 done
159 elif [ -n "${CONF_LIBDIR}" ]; then 236 elif [ -n "${CONF_LIBDIR}" ]; then
160 for dir in ${CONF_LIBDIR} ${CONF_MULTILIBDIR:=lib32}; do 237 for dir in ${CONF_LIBDIR} ${CONF_MULTILIBDIR:=lib32}; do
167 244
168# Return true if ${ABI} is the last ABI on our list (or if we're not 245# Return true if ${ABI} is the last ABI on our list (or if we're not
169# using the new multilib configuration. This can be used to determine 246# using the new multilib configuration. This can be used to determine
170# if we're in the last (or only) run through src_{unpack,compile,install} 247# if we're in the last (or only) run through src_{unpack,compile,install}
171is_final_abi() { 248is_final_abi() {
172 [ -z "${ABI}" ] && return 0 249 ! has_multilib_profile && return 0
173 local ALL_ABIS=$(get_abi_order) 250 local ALL_ABIS=$(get_abi_order)
174 local LAST_ABI=${ALL_ABIS/* /} 251 local LAST_ABI=${ALL_ABIS/* /}
175 [ "${LAST_ABI}" = "${ABI}" ] 252 [ "${LAST_ABI}" = "${ABI}" ]
176} 253}
177 254

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