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Revision 1.9		Revision 1.92
1	# Copyright 1999-2004 Gentoo Foundation	1	# Copyright 1999-2011 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 1.9 2005/01/15 13:44:31 eradicator Exp $	3	# $Header: /var/cvsroot/gentoo-x86/eclass/multilib.eclass,v 1.92 2011/08/18 14:58:57 vapier Exp $
4	#	4
5	# Author: Jeremy Huddleston <eradicator@gentoo.org>	5	# @ECLASS: multilib.eclass
6	#	6	# @MAINTAINER:
		7	# amd64@gentoo.org
		8	# toolchain@gentoo.org
		9	# @BLURB: This eclass is for all functions pertaining to handling multilib configurations.
		10	# @DESCRIPTION:
7	# This eclass is for all functions pertaining to handling multilib.	11	# This eclass is for all functions pertaining to handling multilib configurations.
8	# configurations.
9		12
10	ECLASS=multilib	13	___ECLASS_RECUR_MULTILIB="yes"
11	INHERITED="$INHERITED $ECLASS"	14	[[ -z ${___ECLASS_RECUR_TOOLCHAIN_FUNCS} ]] && inherit toolchain-funcs
12		15
13	DESCRIPTION="Based on the ${ECLASS} eclass"	16	# Defaults:
		17	export MULTILIB_ABIS=${MULTILIB_ABIS:-"default"}
		18	export DEFAULT_ABI=${DEFAULT_ABI:-"default"}
		19	export CFLAGS_default
		20	export LDFLAGS_default
		21	export CHOST_default=${CHOST_default:-${CHOST}}
		22	export CTARGET_default=${CTARGET_default:-${CTARGET:-${CHOST_default}}}
		23	export LIBDIR_default=${CONF_LIBDIR:-"lib"}
		24	export KERNEL_ABI=${KERNEL_ABI:-${DEFAULT_ABI}}
14		25
		26	# @FUNCTION: has_multilib_profile
		27	# @DESCRIPTION:
		28	# Return true if the current profile is a multilib profile and lists more than
		29	# one abi in ${MULTILIB_ABIS}. When has_multilib_profile returns true, that
		30	# profile should enable the 'multilib' use flag. This is so you can DEPEND on
		31	# a package only for multilib or not multilib.
		32	has_multilib_profile() {
		33	[ -n "${MULTILIB_ABIS}" -a "${MULTILIB_ABIS}" != "${MULTILIB_ABIS/ /}" ]
		34	}
		35
		36	# @FUNCTION: get_libdir
		37	# @RETURN: the libdir for the selected ABI
		38	# @DESCRIPTION:
15	# This function simply returns the desired lib directory. With portage	39	# This function simply returns the desired lib directory. With portage
16	# 2.0.51, we now have support for installing libraries to lib32/lib64	40	# 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	41	# 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	42	# to assume all libraries will end up in lib. Replace any (sane) instances
19	# where lib is named directly with $(get_libdir) if possible.	43	# where lib is named directly with $(get_libdir) if possible.
20	#
21	# Travis Tilley <lv@gentoo.org> (24 Aug 2004)
22	#	44	#
23	# Jeremy Huddleston <eradicator@gentoo.org> (23 Dec 2004):	45	# Jeremy Huddleston <eradicator@gentoo.org> (23 Dec 2004):
24	# Added support for ${ABI} and ${DEFAULT_ABI}. If they're both not set,	46	# Added support for ${ABI} and ${DEFAULT_ABI}. If they're both not set,
25	# fall back on old behavior. Any profile that has these set should also	47	# fall back on old behavior. Any profile that has these set should also
26	# depend on a newer version of portage (not yet released) which uses these	48	# depend on a newer version of portage (not yet released) which uses these
27	# over CONF_LIBDIR in econf, dolib, etc...	49	# over CONF_LIBDIR in econf, dolib, etc...
28	get_libdir() {	50	get_libdir() {
29	LIBDIR_TEST=$(type econf)	51	local CONF_LIBDIR
30	if [ ! -z "${CONF_LIBDIR_OVERRIDE}" ] ; then	52	if [ -n "${CONF_LIBDIR_OVERRIDE}" ] ; then
31	# if there is an override, we want to use that... always.	53	# if there is an override, we want to use that... always.
32	CONF_LIBDIR="${CONF_LIBDIR_OVERRIDE}"	54	echo ${CONF_LIBDIR_OVERRIDE}
33	elif [ -n "$(get_abi_LIBDIR)" ]; then	55	else
34	CONF_LIBDIR="$(get_abi_LIBDIR)"	56	get_abi_LIBDIR
35	elif [ "${LIBDIR_TEST/CONF_LIBDIR}" == "${LIBDIR_TEST}" ]; then # we don't have CONF_LIBDIR support
36	# will be <portage-2.0.51_pre20
37	CONF_LIBDIR="lib"
38	fi	57	fi
39	# and of course, default to lib if CONF_LIBDIR isnt set
40	echo ${CONF_LIBDIR:=lib}
41	unset LIBDIR_TEST
42	}	58	}
43		59
		60	# @FUNCTION: get_multilibdir
		61	# @RETURN: Returns the multilibdir
44	get_multilibdir() {	62	get_multilibdir() {
45	if [ -n "$(get_abi_LIBDIR)" ]; then	63	if has_multilib_profile; then
46	eerror "get_multilibdir called, but it shouldn't be needed with the new multilib approach. Please file a bug at http://bugs.gentoo.org and assign it to eradicator@gentoo.org"	64	eerror "get_multilibdir called, but it shouldn't be needed with the new multilib approach. Please file a bug at http://bugs.gentoo.org and assign it to eradicator@gentoo.org"
47	exit 1	65	exit 1
48	fi	66	fi
49	echo ${CONF_MULTILIBDIR:=lib32}	67	echo ${CONF_MULTILIBDIR:=lib32}
50	}	68	}
51		69
		70	# @FUNCTION: get_libdir_override
		71	# @DESCRIPTION:
52	# Sometimes you need to override the value returned by get_libdir. A good	72	# Sometimes you need to override the value returned by get_libdir. A good
53	# example of this is xorg-x11, where lib32 isnt a supported configuration,	73	# example of this is xorg-x11, where lib32 isnt a supported configuration,
54	# and where lib64 -must- be used on amd64 (for applications that need lib	74	# and where lib64 -must- be used on amd64 (for applications that need lib
55	# to be 32bit, such as adobe acrobat). Note that this override also bypasses	75	# to be 32bit, such as adobe acrobat). Note that this override also bypasses
56	# portage version sanity checking.	76	# portage version sanity checking.
57	# get_libdir_override expects one argument, the result get_libdir should	77	# get_libdir_override expects one argument, the result get_libdir should
58	# return:	78	# return:
59	#	79	#
60	# get_libdir_override lib64	80	# get_libdir_override lib64
61	#
62	# Travis Tilley <lv@gentoo.org> (31 Aug 2004)
63	get_libdir_override() {	81	get_libdir_override() {
64	if [ -n "$(get_abi_LIBDIR)" ]; then	82	if has_multilib_profile; then
65	eerror "get_libdir_override called, but it shouldn't be needed with the new multilib approach. Please file a bug at http://bugs.gentoo.org and assign it to eradicator@gentoo.org"	83	eerror "get_libdir_override called, but it shouldn't be needed with the new multilib approach. Please file a bug at http://bugs.gentoo.org and assign it to eradicator@gentoo.org"
66	exit 1	84	exit 1
67	fi	85	fi
68	CONF_LIBDIR="$1"	86	CONF_LIBDIR="$1"
69	CONF_LIBDIR_OVERRIDE="$1"	87	CONF_LIBDIR_OVERRIDE="$1"
		88	LIBDIR_default="$1"
70	}	89	}
71		90
72	# get_abi_var <VAR> [<ABI>]	91	# @FUNCTION: get_abi_var
		92	# @USAGE: <VAR> [ABI]
73	# returns the value of ${<VAR>_<ABI>} which should be set in make.defaults	93	# @RETURN: returns the value of ${<VAR>_<ABI>} which should be set in make.defaults
74	#	94	# @DESCRIPTION:
75	# ex:	95	# ex:
76	# CFLAGS=$(get_abi_var CFLAGS sparc32) # CFLAGS=-m32	96	# CFLAGS=$(get_abi_var CFLAGS sparc32) # CFLAGS=-m32
77	#	97	#
78	# Note that the prefered method is to set CC="$(tc-getCC) $(get_abi_CFLAGS)"	98	# Note that the prefered method is to set CC="$(tc-getCC) $(get_abi_CFLAGS)"
79	# This will hopefully be added to portage soon...	99	# This will hopefully be added to portage soon...
80	#	100	#
81	# If <ABI> is not specified, ${ABI} is used.	101	# If <ABI> is not specified, ${ABI} is used.
82	# If <ABI> is not specified and ${ABI} is not defined, ${DEFAULT_ABI} is used.	102	# If <ABI> is not specified and ${ABI} is not defined, ${DEFAULT_ABI} is used.
83	# If <ABI> is not specified and ${ABI} and ${DEFAULT_ABI} are not defined, we return an empty string.	103	# If <ABI> is not specified and ${ABI} and ${DEFAULT_ABI} are not defined, we return an empty string.
84	#
85	# Jeremy Huddleston <eradicator@gentoo.org>
86	get_abi_var() {	104	get_abi_var() {
87	local flag=${1}	105	local flag=$1
88	local abi	106	local abi
89	if [ $# -gt 1 ]; then	107	if [ $# -gt 1 ]; then
90	abi=${2}	108	abi=${2}
91	elif [ -n "${ABI}" ]; then	109	elif [ -n "${ABI}" ]; then
92	abi=${ABI}	110	abi=${ABI}
93	elif [ -n "${DEFAULT_ABI}" ]; then	111	elif [ -n "${DEFAULT_ABI}" ]; then
94	abi=${DEFAULT_ABI}	112	abi=${DEFAULT_ABI}
95	else	113	else
96	return 1	114	abi="default"
97	fi	115	fi
98		116
99	local var="${flag}_${abi}"	117	local var="${flag}_${abi}"
100	echo ${!var}	118	echo ${!var}
101	}	119	}
102		120
		121	# @FUNCTION: get_abi_CFLAGS
		122	# @USAGE: [ABI]
		123	# @DESCRIPTION:
		124	# Alias for 'get_abi_var CFLAGS'
103	get_abi_CFLAGS() { get_abi_var CFLAGS ${@}; }	125	get_abi_CFLAGS() { get_abi_var CFLAGS "$@"; }
104	get_abi_CDEFINE() { get_abi_var CDEFINE ${@}; }	126
		127	# @FUNCTION: get_abi_ASFLAGS
		128	# @USAGE: [ABI]
		129	# @DESCRIPTION:
		130	# Alias for 'get_abi_var ASFLAGS'
		131	get_abi_ASFLAGS() { get_abi_var ASFLAGS "$@"; }
		132
		133	# @FUNCTION: get_abi_LDFLAGS
		134	# @USAGE: [ABI]
		135	# @DESCRIPTION:
		136	# Alias for 'get_abi_var LDFLAGS'
		137	get_abi_LDFLAGS() { get_abi_var LDFLAGS "$@"; }
		138
		139	# @FUNCTION: get_abi_CHOST
		140	# @USAGE: [ABI]
		141	# @DESCRIPTION:
		142	# Alias for 'get_abi_var CHOST'
		143	get_abi_CHOST() { get_abi_var CHOST "$@"; }
		144
		145	# @FUNCTION: get_abi_CTARGET
		146	# @USAGE: [ABI]
		147	# @DESCRIPTION:
		148	# Alias for 'get_abi_var CTARGET'
		149	get_abi_CTARGET() { get_abi_var CTARGET "$@"; }
		150
		151	# @FUNCTION: get_abi_FAKE_TARGETS
		152	# @USAGE: [ABI]
		153	# @DESCRIPTION:
		154	# Alias for 'get_abi_var FAKE_TARGETS'
		155	get_abi_FAKE_TARGETS() { get_abi_var FAKE_TARGETS "$@"; }
		156
		157	# @FUNCTION: get_abi_LIBDIR
		158	# @USAGE: [ABI]
		159	# @DESCRIPTION:
		160	# Alias for 'get_abi_var LIBDIR'
105	get_abi_LIBDIR() { get_abi_var LIBDIR ${@}; }	161	get_abi_LIBDIR() { get_abi_var LIBDIR "$@"; }
106		162
		163	# @FUNCTION: get_install_abis
		164	# @DESCRIPTION:
107	# Return a list of the ABIs we want to install for with	165	# Return a list of the ABIs we want to install for with
108	# the last one in the list being the default.	166	# the last one in the list being the default.
109	get_abi_order() {	167	get_install_abis() {
110	local order=""	168	local order=""
111		169
112	if [ -z "${MULTILIB_ABIS}" ]; then	170	if [[ -z ${MULTILIB_ABIS} ]] ; then
113	echo "NOMULTILIB"	171	echo "default"
114	return 1	172	return 0
115	fi	173	fi
116		174
117	if hasq multilib-pkg-force ${RESTRICT} \|\|	175	if [[ ${EMULTILIB_PKG} == "true" ]] ; then
118	{ hasq multilib-pkg ${FEATURES} && hasq multilib-pkg ${RESTRICT}; }; then
119	for x in ${MULTILIB_ABIS}; do	176	for x in ${MULTILIB_ABIS} ; do
120	if [ "${x}" != "${DEFAULT_ABI}" ]; then	177	if [[ ${x} != "${DEFAULT_ABI}" ]] ; then
121	hasq ${x} ${ABI_DENY} \|\| ordera="${ordera} ${x}"	178	has ${x} ${ABI_DENY} \|\| order="${order} ${x}"
122	fi	179	fi
123	done	180	done
124	hasq ${DEFAULT_ABI} ${ABI_DENY} \|\| order="${ordera} ${DEFAULT_ABI}"	181	has ${DEFAULT_ABI} ${ABI_DENY} \|\| order="${order} ${DEFAULT_ABI}"
125		182
126	if [ -n "${ABI_ALLOW}" ]; then	183	if [[ -n ${ABI_ALLOW} ]] ; then
127	local ordera=""	184	local ordera=""
128	for x in ${order}; do	185	for x in ${order} ; do
129	if hasq ${x} ${ABI_ALLOW}; then	186	if has ${x} ${ABI_ALLOW} ; then
130	ordera="${ordera} ${x}"	187	ordera="${ordera} ${x}"
131	fi	188	fi
132	done	189	done
133	order="${ordera}"	190	order=${ordera}
134	fi	191	fi
135	else	192	else
136	order="${DEFAULT_ABI}"	193	order=${DEFAULT_ABI}
137	fi	194	fi
138		195
139	if [ -z "${order}" ]; then	196	if [[ -z ${order} ]] ; then
140	die "The ABI list is empty. Are you using a proper multilib profile? Perhaps your USE flags or MULTILIB_ABIS are too restrictive for this package."	197	die "The ABI list is empty. Are you using a proper multilib profile? Perhaps your USE flags or MULTILIB_ABIS are too restrictive for this package."
141	fi	198	fi
142		199
143	echo ${order}	200	echo ${order}
144	return 0	201	return 0
145	}	202	}
146		203
147	# get_all_libdir()	204	# @FUNCTION: get_all_abis
		205	# @DESCRIPTION:
		206	# Return a list of the ABIs supported by this profile.
		207	# the last one in the list being the default.
		208	get_all_abis() {
		209	local order=""
		210
		211	if [[ -z ${MULTILIB_ABIS} ]] ; then
		212	echo "default"
		213	return 0
		214	fi
		215
		216	for x in ${MULTILIB_ABIS}; do
		217	if [[ ${x} != ${DEFAULT_ABI} ]] ; then
		218	order="${order:+${order} }${x}"
		219	fi
		220	done
		221	order="${order:+${order} }${DEFAULT_ABI}"
		222
		223	echo ${order}
		224	return 0
		225	}
		226
		227	# @FUNCTION: get_all_libdirs
		228	# @DESCRIPTION:
148	# Returns a list of all the libdirs used by this profile. This includes	229	# Returns a list of all the libdirs used by this profile. This includes
149	# those that might not be touched by the current ebuild.	230	# those that might not be touched by the current ebuild and always includes
		231	# "lib".
150	get_all_libdirs() {	232	get_all_libdirs() {
151	local libdirs="lib"	233	local libdirs
152	local abi	234	local abi
153	local dir	235	local dir
154		236
155	if [ -n "${MULTILIB_ABIS}" ]; then
156	for abi in ${MULTILIB_ABIS}; do	237	for abi in ${MULTILIB_ABIS}; do
157	[ "$(get_abi_LIBDIR ${abi})" != "lib" ] && libdirs="${libdirs} $(get_abi_LIBDIR ${abi})"	238	libdirs+=" $(get_abi_LIBDIR ${abi})"
158	done	239	done
159	elif [ -n "${CONF_LIBDIR}" ]; then	240	[[ " ${libdirs} " != " lib " ]] && libdirs+=" lib"
160	for dir in ${CONF_LIBDIR} ${CONF_MULTILIBDIR:=lib32}; do
161	[ "${dir}" != "lib" ] && libdirs="${libdirs} ${dir}"
162	done
163	fi
164		241
165	echo "${libdirs}"	242	echo "${libdirs}"
166	}	243	}
167		244
		245	# @FUNCTION: is_final_abi
		246	# @DESCRIPTION:
168	# Return true if ${ABI} is the last ABI on our list (or if we're not	247	# Return true if ${ABI} is the last ABI on our list (or if we're not
169	# using the new multilib configuration. This can be used to determine	248	# using the new multilib configuration. This can be used to determine
170	# if we're in the last (or only) run through src_{unpack,compile,install}	249	# if we're in the last (or only) run through src_{unpack,compile,install}
171	is_final_abi() {	250	is_final_abi() {
172	[ -z "${ABI}" ] && return 0	251	has_multilib_profile \|\| return 0
173	local ALL_ABIS=$(get_abi_order)	252	set -- $(get_install_abis)
174	local LAST_ABI=${ALL_ABIS/* /}	253	local LAST_ABI=$#
175	[ "${LAST_ABI}" = "${ABI}" ]	254	[[ ${!LAST_ABI} == ${ABI} ]]
176	}	255	}
177		256
		257	# @FUNCTION: number_abis
		258	# @DESCRIPTION:
178	# echo the number of ABIs we will be installing for	259	# echo the number of ABIs we will be installing for
179	number_abis() {	260	number_abis() {
180	get_abi_order \| wc -w	261	set -- `get_install_abis`
		262	echo $#
181	}	263	}
182		264
183	# prep_ml_includes:	265	# @FUNCTION: get_libname
184	#	266	# @USAGE: [version]
185	# Some includes (include/asm, glibc, etc) are ABI dependent. In this case,	267	# @DESCRIPTION:
186	# We can install them in different locations for each ABI and create a common	268	# Returns libname with proper suffix {.so,.dylib,.dll,etc} and optionally
187	# header which includes the right one based on CDEFINE_${ABI}. If your	269	# supplied version for the current platform identified by CHOST.
188	# package installs ABI-specific headers, just add 'prep_ml_includes' to the
189	# end of your src_install(). It takes a list of directories that include
190	# files are installed in (default is /usr/include if none are passed).
191	#	270	#
192	# Example:	271	# Example:
193	# src_install() {	272	# get_libname ${PV}
194	# ...	273	# Returns: .so.${PV} (ELF) \|\| .${PV}.dylib (MACH) \|\| ...
195	# prep_ml_includes /usr/qt/3/include	274	get_libname() {
196	# }	275	local libname
		276	local ver=$1
		277	case ${CHOST} in
		278	-cygwin\|mingw\|-mingw) libname="dll";;
		279	-darwin) libname="dylib";;
		280	-mint) libname="irrelevant";;
		281	hppa-hpux) libname="sl";;
		282	*) libname="so";;
		283	esac
197		284
198	prep_ml_includes() {	285	if [[ -z $* ]] ; then
199	local dirs	286	echo ".${libname}"
200	if [ ${#} -eq 0 ]; then
201	dirs="/usr/include"
202	else	287	else
203	dirs="${@}"	288	for ver in "$@" ; do
204	fi	289	case ${CHOST} in
205		290	-darwin) echo ".${ver}.${libname}";;
206	if [ $(number_abis) -gt 1 ]; then	291	-mint) echo ".${libname}";;
207	local dir	292	*) echo ".${libname}.${ver}";;
208	for dir in ${dirs}; do	293	esac
209	mv ${D}/${dir} ${D}/${dir}.${ABI}
210	done	294	done
211
212	if is_final_abi; then
213	for dir in ${dirs}; do
214	local args="${dir}"
215	local abi
216	dodir ${dir}/gentoo-multilib
217	for abi in $(get_abi_order); do
218	mv ${D}/${dir}.${abi} ${D}/${dir}/gentoo-multilib/${abi}
219	args="${args} $(get_abi_CDEFINE ${abi}):${dir}/gentoo-multilib/${abi}"
220	done
221	create_ml_includes ${args}
222	done
223	fi	295	fi
224	fi
225	}	296	}
226		297
227	# If you need more control than prep_ml_includes can offer (like linux-headers	298	# @FUNCTION: get_modname
228	# for the asm-* dirs, then use create_ml_includes. The firs argument is the	299	# @USAGE:
229	# common dir. The remaining args are of the form <symbol>:<dir> where	300	# @DESCRIPTION:
230	# <symbol> is what is put in the #ifdef for choosing that dir.	301	# Returns modulename with proper suffix {.so,.bundle,etc} for the current
231	#	302	# platform identified by CHOST.
232	# Ideas for this code came from debian's sparc-linux headers package.
233	#	303	#
234	# Example:	304	# Example:
235	# create_ml_includes /usr/include/asm __sparc__:/usr/include/asm-sparc __sparc64__:/usr/include/asm-sparc64	305	# libfoo$(get_modname)
236	# create_ml_includes /usr/include/asm __i386__:/usr/include/asm-i386 __x86_64__:/usr/include/asm-x86_64	306	# Returns: libfoo.so (ELF) \|\| libfoo.bundle (MACH) \|\| ...
237	create_ml_includes() {	307	get_modname() {
238	local dest="${1}"	308	local modname
239	shift	309	local ver=$1
240	local mlinfo="${@}"	310	case ${CHOST} in
241	local basedirs=$(create_ml_includes-listdirs ${mlinfo})	311	-darwin) modname="bundle";;
		312	*) modname="so";;
		313	esac
242		314
243	create_ml_includes-makedestdirs ${dest} ${basedirs}	315	echo ".${modname}"
		316	}
244		317
245	local file	318	# This is for the toolchain to setup profile variables when pulling in
246	for file in $(create_ml_includes-allfiles ${basedirs}); do	319	# a crosscompiler (and thus they aren't set in the profile)
247	local name="$(echo $file \| tr a-z A-Z \| sed 's:[^A-Z]:_:g')"	320	multilib_env() {
248	{	321	local CTARGET=${1:-${CTARGET}}
249	echo "/* Common header file autogenerated by create_ml_includes in multilib.eclass */"
250	#echo "#ifndef __CREATE_ML_INCLUDES_STUB_${name}__"
251	#echo "#define __CREATE_ML_INCLUDES_STUB_${name}__"
252	#echo ""
253		322
254	local dir	323	case ${CTARGET} in
255	for dir in ${basedirs}; do	324	x86_64*)
256	if [ -f "${D}/${dir}/${file}" ]; then	325	export CFLAGS_x86=${CFLAGS_x86--m32}
257	echo "#ifdef $(create_ml_includes-sym_for_dir ${dir} ${mlinfo})"	326	export CHOST_x86=${CTARGET/x86_64/i686}
258	echo "#include \"$(create_ml_includes-relative_between ${dest}/$(dirname ${file}) ${dir}/${file})\""	327	export CTARGET_x86=${CHOST_x86}
259	echo "#endif /* $(create_ml_includes-sym_for_dir ${dir} ${mlinfo}) */"	328	if [[ ${SYMLINK_LIB} == "yes" ]] ; then
260	echo ""	329	export LIBDIR_x86="lib32"
		330	else
		331	export LIBDIR_x86="lib"
261	fi	332	fi
262	done
263		333
264	#echo "#endif /* __CREATE_ML_INCLUDES_STUB_${name}__ */"	334	export CFLAGS_amd64=${CFLAGS_amd64--m64}
265	} > ${D}/${dest}/${file}	335	export CHOST_amd64=${CTARGET}
266	done	336	export CTARGET_amd64=${CHOST_amd64}
267	}	337	export LIBDIR_amd64="lib64"
268		338
269	# Helper function for create_ml_includes	339	export CFLAGS_x32=${CFLAGS_x32--mx32}
270	create_ml_includes-relative_between() {	340	export CHOST_x32=${CTARGET}
271	local src="$(create_ml_includes-tidy_path ${1})"	341	export CTARGET_x32=${CHOST_x32}
272	local dst="$(create_ml_includes-tidy_path ${2})"	342	export LIBDIR_x32="libx32"
273		343
274	src=(${src//\// })	344	: ${MULTILIB_ABIS=amd64 x86}
275	dst=(${dst//\// })	345	: ${DEFAULT_ABI=amd64}
		346	;;
		347	mips64*)
		348	export CFLAGS_o32=${CFLAGS_o32--mabi=32}
		349	export CHOST_o32=${CTARGET/mips64/mips}
		350	export CTARGET_o32=${CHOST_o32}
		351	export LIBDIR_o32="lib"
276		352
277	local i	353	export CFLAGS_n32=${CFLAGS_n32--mabi=n32}
278	for ((i=0; i<${#src[*]}; i++)); do	354	export CHOST_n32=${CTARGET}
279	[ "${dst[i]}" != "${src[i]}" ] && break	355	export CTARGET_n32=${CHOST_n32}
280	done	356	export LIBDIR_n32="lib32"
281		357
282	local common=$i	358	export CFLAGS_n64=${CFLAGS_n64--mabi=64}
		359	export CHOST_n64=${CTARGET}
		360	export CTARGET_n64=${CHOST_n64}
		361	export LIBDIR_n64="lib64"
283		362
284	for ((i=${#src[*]}; i>common; i--)); do	363	: ${MULTILIB_ABIS=n64 n32 o32}
285	echo -n ../	364	: ${DEFAULT_ABI=n32}
286	done	365	;;
		366	powerpc64*)
		367	export CFLAGS_ppc=${CFLAGS_ppc--m32}
		368	export CHOST_ppc=${CTARGET/powerpc64/powerpc}
		369	export CTARGET_ppc=${CHOST_ppc}
		370	export LIBDIR_ppc="lib"
287		371
288	for ((i=common; i<${#dst[*]}-1; i++)); do	372	export CFLAGS_ppc64=${CFLAGS_ppc64--m64}
289	echo -n ${dst[i]}/	373	export CHOST_ppc64=${CTARGET}
290	done	374	export CTARGET_ppc64=${CHOST_ppc64}
		375	export LIBDIR_ppc64="lib64"
291		376
292	echo -n ${dst[i]}	377	: ${MULTILIB_ABIS=ppc64 ppc}
293	}	378	: ${DEFAULT_ABI=ppc64}
		379	;;
		380	s390x*)
		381	export CFLAGS_s390=${CFLAGS_s390--m31} # the 31 is not a typo
		382	export CHOST_s390=${CTARGET/s390x/s390}
		383	export CTARGET_s390=${CHOST_s390}
		384	export LIBDIR_s390="lib"
294		385
295	# Helper function for create_ml_includes	386	export CFLAGS_s390x=${CFLAGS_s390x--m64}
296	create_ml_includes-tidy_path() {	387	export CHOST_s390x=${CTARGET}
297	local removed="${1}"	388	export CTARGET_s390x=${CHOST_s390x}
		389	export LIBDIR_s390x="lib64"
298		390
299	if [ -n "${removed}" ]; then	391	: ${MULTILIB_ABIS=s390x s390}
300	# Remove multiple slashes	392	: ${DEFAULT_ABI=s390x}
301	while [ "${removed}" != "${removed/\/\//\/}" ]; do	393	;;
302	removed=${removed/\/\//\/}	394	sparc*)
		395	export CFLAGS_sparc32=${CFLAGS_sparc32}
		396	export CHOST_sparc32=${CTARGET/sparc64/sparc}
		397	export CTARGET_sparc32=${CHOST_sparc32}
		398	export LIBDIR_sparc32="lib"
		399
		400	export CFLAGS_sparc64=${CFLAGS_sparc64--m64}
		401	export CHOST_sparc64=${CTARGET}
		402	export CTARGET_sparc64=${CHOST_sparc64}
		403	export LIBDIR_sparc64="lib64"
		404
		405	: ${MULTILIB_ABIS=sparc64 sparc32}
		406	: ${DEFAULT_ABI=sparc64}
		407	;;
		408	*)
		409	: ${MULTILIB_ABIS=default}
		410	: ${DEFAULT_ABI=default}
		411	;;
		412	esac
		413
		414	export MULTILIB_ABIS DEFAULT_ABI
		415	}
		416
		417	# @FUNCTION: multilib_toolchain_setup
		418	# @DESCRIPTION:
		419	# Hide multilib details here for packages which are forced to be compiled for a
		420	# specific ABI when run on another ABI (like x86-specific packages on amd64)
		421	multilib_toolchain_setup() {
		422	local v vv
		423
		424	export ABI=$1
		425
		426	# First restore any saved state we have laying around.
		427	if [[ ${__DEFAULT_ABI_SAVED} == "true" ]] ; then
		428	for v in CHOST CBUILD AS CC CXX LD ; do
		429	vv="__abi_saved_${v}"
		430	export ${v}="${!vv}"
		431	unset ${vv}
303	done	432	done
		433	unset __DEFAULT_ABI_SAVED
		434	fi
304		435
305	# Remove . directories	436	# We want to avoid the behind-the-back magic of gcc-config as it
306	while [ "${removed}" != "${removed//\/.\//\/}" ]; do	437	# screws up ccache and distcc. See #196243 for more info.
307	removed=${removed//\/.\//\/}	438	if [[ ${ABI} != ${DEFAULT_ABI} ]] ; then
		439	# Back that multilib-ass up so we can restore it later
		440	for v in CHOST CBUILD AS CC CXX LD ; do
		441	export __abi_saved_${v}="${!v}"
308	done	442	done
309	[ "${removed##/}" = "." ] && removed=${removed%/}	443	export __DEFAULT_ABI_SAVED="true"
310		444
311	# Removed .. directories	445	# Set the CHOST native first so that we pick up the native
312	while [ "${removed}" != "${removed//\/..\/}" ]; do	446	# toolchain and not a cross-compiler by accident #202811.
313	local p1="${removed%%\/..\/*}"	447	export CHOST=$(get_abi_CHOST ${DEFAULT_ABI})
314	local p2="${removed#*\/..\/}"	448	export AS="$(tc-getAS) $(get_abi_ASFLAGS)"
315		449	export CC="$(tc-getCC) $(get_abi_CFLAGS)"
316	removed="${p1%\/*}/${p2}"	450	export CXX="$(tc-getCXX) $(get_abi_CFLAGS)"
317	done	451	export LD="$(tc-getLD) $(get_abi_LDFLAGS)"
318		452	export CHOST=$(get_abi_CHOST $1)
319	# Remove trailing ..	453	export CBUILD=$(get_abi_CHOST $1)
320	[ "${removed##/}" = ".." ] && removed=${removed%//*}
321
322	# Remove trailing /
323	[ "${removed##/}" = "" ] && removed=${removed%/}
324
325	echo ${removed}
326	fi
327	}
328
329	# Helper function for create_ml_includes
330	create_ml_includes-listdirs() {
331	local dirs
332	local data
333	for data in ${@}; do
334	dirs="${dirs} ${data/*:/}"
335	done
336	echo ${dirs:1}
337	}
338
339	# Helper function for create_ml_includes
340	create_ml_includes-makedestdirs() {
341	local dest=${1}
342	shift
343	local basedirs=${@}
344
345	dodir ${dest}
346
347	local basedir
348	for basedir in ${basedirs}; do
349	local dir
350	for dir in $(find ${D}/${basedir} -type d); do
351	dodir ${dest}/${dir/${D}\/${basedir}/}
352	done
353	done
354	}
355
356	# Helper function for create_ml_includes
357	create_ml_includes-allfiles() {
358	local basedirs=${@}
359
360	local basedir
361	for basedir in ${basedirs}; do
362	local file
363	for file in $(find ${D}/${basedir} -type f); do
364	echo ${file/${D}\/${basedir}\//}
365	done
366	done \| sort \| uniq
367	}
368
369	# Helper function for create_ml_includes
370	create_ml_includes-sym_for_dir() {
371	local dir="${1}"
372	shift
373	local data
374	for data in ${@}; do
375	if [ "${dir}" = "${data/*:/}" ]; then
376	echo ${data/:*/}
377	return 0
378	fi	454	fi
379	done
380	echo "Shouldn't be here -- create_ml_includes-sym_for_dir ${1} ${@}"
381	# exit because we'll likely be called from a subshell
382	exit 1
383	}	455	}

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