/[gentoo-x86]/eclass/multilib.eclass

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Revision 1.1		Revision 1.54
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 1.1 2005/01/12 00:21:53 eradicator Exp $	3	# $Header: /var/cvsroot/gentoo-x86/eclass/multilib.eclass,v 1.54 2006/07/12 07:40:49 kevquinn 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
10	ECLASS=multilib
11	INHERITED="$INHERITED $ECLASS"
12
13	DESCRIPTION="Based on the ${ECLASS} eclass"	10	DESCRIPTION="Based on the ${ECLASS} eclass"
		11
		12	# has_multilib_profile:
		13	# Return true if the current profile is a multilib profile and lists more than
		14	# one abi in ${MULTILIB_ABIS}. You might want to use this like
		15	# 'use multilib \|\| has_multilib_profile' until all profiles utilizing the
		16	# 'multilib' use flag are removed from portage
		17
		18	# is_final_abi:
		19	# Return true if ${ABI} is the final abi to be installed (and thus we are
		20	# on our last run through a src_* function.
		21
		22	# number_abis:
		23	# echo the number of ABIs we will be installing for
		24
		25	# get_install_abis:
		26	# Return a list of the ABIs we want to install for with
		27	# the last one in the list being the default.
		28
		29	# get_all_abis:
		30	# Return a list of the ABIs supported by this profile.
		31	# the last one in the list being the default.
		32
		33	# get_all_libdirs:
		34	# Returns a list of all the libdirs used by this profile. This includes
		35	# those that might not be touched by the current ebuild and always includes
		36	# "lib".
		37
		38	# get_libdir:
		39	# Returns the libdir for the selected ABI. This is backwards compatible
		40	# and simply calls get_abi_LIBDIR() on newer profiles. You should use this
		41	# to determine where to install shared objects (ex: /usr/$(get_libdir))
		42
		43	# get_abi_var <VAR> [<ABI>]:
		44	# returns the value of ${<VAR>_<ABI>} which should be set in make.defaults
		45	#
		46	# get_abi_CFLAGS:
		47	# get_abi_CDEFINE:
		48	# get_abi_LIBDIR:
		49	# Aliases for 'get_abi_var CFLAGS', etc.
		50
		51	# get_ml_incdir [<include dir> [<ABI>]]
		52	# include dir defaults to /usr/include
		53	# ABI defaults to ${ABI} or ${DEFAULT_ABI}
		54	#
		55	# If a multilib include dir is associated with the passed include dir, then
		56	# we return it, otherwise, we just echo back the include dir. This is
		57	# neccessary when a built script greps header files rather than testing them
		58	# via #include (like perl) to figure out features.
		59
		60	# prep_ml_includes:
		61	# Some includes (include/asm, glibc, etc) are ABI dependent. In this case,
		62	# We can install them in different locations for each ABI and create a common
		63	# header which includes the right one based on CDEFINE_${ABI}. If your
		64	# package installs ABI-specific headers, just add 'prep_ml_includes' to the
		65	# end of your src_install(). It takes a list of directories that include
		66	# files are installed in (default is /usr/include if none are passed).
		67	#
		68	# Example:
		69	# src_install() {
		70	# ...
		71	# prep_ml_includes /usr/qt/3/include
		72	# }
		73
		74	# create_ml_includes <include dir> <symbol 1>:<dir 1> [<symbol 2>:<dir 2> ...]
		75	# If you need more control than prep_ml_includes can offer (like linux-headers
		76	# for the asm-* dirs, then use create_ml_includes. The firs argument is the
		77	# common dir. The remaining args are of the form <symbol>:<dir> where
		78	# <symbol> is what is put in the #ifdef for choosing that dir.
		79	#
		80	# Ideas for this code came from debian's sparc-linux headers package.
		81	#
		82	# Example:
		83	# create_ml_includes /usr/include/asm __sparc__:/usr/include/asm-sparc __sparc64__:/usr/include/asm-sparc64
		84	# create_ml_includes /usr/include/asm __i386__:/usr/include/asm-i386 __x86_64__:/usr/include/asm-x86_64
		85
		86	# get_libname [version]
		87	# returns libname with proper suffix {.so,.dylib} and optionally supplied version
		88	# for ELF/MACH-O shared objects
		89	#
		90	# Example:
		91	# get_libname libfoo ${PV}
		92	# Returns: libfoo.so.${PV} (ELF) \|\| libfoo.${PV}.dylib (MACH)
		93
		94	### END DOCUMENTATION ###
		95
		96	# Defaults:
		97	export MULTILIB_ABIS=${MULTILIB_ABIS:-"default"}
		98	export DEFAULT_ABI=${DEFAULT_ABI:-"default"}
		99	export CFLAGS_default
		100	export LDFLAGS_default
		101	export CHOST_default=${CHOST_default:-${CHOST}}
		102	export CTARGET_default=${CTARGET_default:-${CTARGET:-${CHOST_default}}}
		103	export LIBDIR_default=${CONF_LIBDIR:-"lib"}
		104	export CDEFINE_default="__unix__"
		105	export KERNEL_ABI=${KERNEL_ABI:-${DEFAULT_ABI}}
		106
		107	# has_multilib_profile()
		108	has_multilib_profile() {
		109	[ -n "${MULTILIB_ABIS}" -a "${MULTILIB_ABIS}" != "${MULTILIB_ABIS/ /}" ]
		110	}
14		111
15	# This function simply returns the desired lib directory. With portage	112	# This function simply returns the desired lib directory. With portage
16	# 2.0.51, we now have support for installing libraries to lib32/lib64	113	# 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	114	# 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	115	# to assume all libraries will end up in lib. Replace any (sane) instances
…		…
24	# Added support for ${ABI} and ${DEFAULT_ABI}. If they're both not set,	121	# Added support for ${ABI} and ${DEFAULT_ABI}. If they're both not set,
25	# fall back on old behavior. Any profile that has these set should also	122	# fall back on old behavior. Any profile that has these set should also
26	# depend on a newer version of portage (not yet released) which uses these	123	# depend on a newer version of portage (not yet released) which uses these
27	# over CONF_LIBDIR in econf, dolib, etc...	124	# over CONF_LIBDIR in econf, dolib, etc...
28	get_libdir() {	125	get_libdir() {
29	LIBDIR_TEST=$(type econf)	126	local CONF_LIBDIR
30	if [ ! -z "${CONF_LIBDIR_OVERRIDE}" ] ; then	127	if [ -n "${CONF_LIBDIR_OVERRIDE}" ] ; then
31	# if there is an override, we want to use that... always.	128	# if there is an override, we want to use that... always.
32	CONF_LIBDIR="${CONF_LIBDIR_OVERRIDE}"	129	echo ${CONF_LIBDIR_OVERRIDE}
33	# We don't need to know the verison of portage. We only need to know	130	else
34	# if there is support for CONF_LIBDIR in econf and co.	131	get_abi_LIBDIR
35	# Danny van Dyk <kugelfang@gentoo.org> 2004/17/09
36	#elif portageq has_version / '<sys-apps/portage-2.0.51_pre20' ; then
37	# # and if there isnt an override, and we're using a version of
38	# # portage without CONF_LIBDIR support, force the use of lib. dolib
39	# # and friends from portage 2.0.50 wont be too happy otherwise.
40	# CONF_LIBDIR="lib"
41	#fi	132	fi
42	elif [ -n "$(get_abi_LIBDIR)" ]; then # Using eradicator's LIBDIR_<abi> approach...
43	CONF_LIBDIR="$(get_abi_LIBDIR)"
44	elif [ "${LIBDIR_TEST/CONF_LIBDIR}" == "${LIBDIR_TEST}" ]; then # we don't have CONF_LIBDIR support
45	# will be <portage-2.0.51_pre20
46	CONF_LIBDIR="lib"
47	fi
48	# and of course, default to lib if CONF_LIBDIR isnt set
49	echo ${CONF_LIBDIR:=lib}
50	unset LIBDIR_TEST
51	}	133	}
52		134
53	get_multilibdir() {	135	get_multilibdir() {
54	if [ -n "$(get_abi_LIBDIR)" ]; then	136	if has_multilib_profile; then
55	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"	137	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"
56	exit 1	138	exit 1
57	fi	139	fi
58	echo ${CONF_MULTILIBDIR:=lib32}	140	echo ${CONF_MULTILIBDIR:=lib32}
59	}	141	}
…		…
68	#	150	#
69	# get_libdir_override lib64	151	# get_libdir_override lib64
70	#	152	#
71	# Travis Tilley <lv@gentoo.org> (31 Aug 2004)	153	# Travis Tilley <lv@gentoo.org> (31 Aug 2004)
72	get_libdir_override() {	154	get_libdir_override() {
73	if [ -n "$(get_abi_LIBDIR)" ]; then	155	if has_multilib_profile; then
74	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"	156	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"
75	exit 1	157	exit 1
76	fi	158	fi
77	CONF_LIBDIR="$1"	159	CONF_LIBDIR="$1"
78	CONF_LIBDIR_OVERRIDE="$1"	160	CONF_LIBDIR_OVERRIDE="$1"
		161	LIBDIR_default="$1"
79	}	162	}
80		163
81	# get_abi_var <VAR> [<ABI>]	164	# get_abi_var <VAR> [<ABI>]
82	# returns the value of ${<VAR>_<ABI>} which should be set in make.defaults	165	# returns the value of ${<VAR>_<ABI>} which should be set in make.defaults
83	#	166	#
…		…
91	# If <ABI> is not specified and ${ABI} is not defined, ${DEFAULT_ABI} is used.	174	# If <ABI> is not specified and ${ABI} is not defined, ${DEFAULT_ABI} is used.
92	# If <ABI> is not specified and ${ABI} and ${DEFAULT_ABI} are not defined, we return an empty string.	175	# If <ABI> is not specified and ${ABI} and ${DEFAULT_ABI} are not defined, we return an empty string.
93	#	176	#
94	# Jeremy Huddleston <eradicator@gentoo.org>	177	# Jeremy Huddleston <eradicator@gentoo.org>
95	get_abi_var() {	178	get_abi_var() {
96	local flag=${1}	179	local flag=$1
97	local abi	180	local abi
98	if [ $# -gt 1 ]; then	181	if [ $# -gt 1 ]; then
99	abi=${2}	182	abi=${2}
100	elif [ -n "${ABI}" ]; then	183	elif [ -n "${ABI}" ]; then
101	abi=${ABI}	184	abi=${ABI}
102	elif [ -n "${DEFAULT_ABI}" ]; then	185	elif [ -n "${DEFAULT_ABI}" ]; then
103	abi=${DEFAULT_ABI}	186	abi=${DEFAULT_ABI}
104	else	187	else
105	return 1	188	abi="default"
106	fi	189	fi
107		190
108	local var="${flag}_${abi}"	191	local var="${flag}_${abi}"
109	echo ${!var}	192	echo ${!var}
110	}	193	}
111		194
112	get_abi_CFLAGS() { get_abi_var CFLAGS ${@}; }	195	get_abi_CFLAGS() { get_abi_var CFLAGS "$@"; }
113	get_abi_CXXFLAGS() { get_abi_var CXXFLAGS ${@}; }
114	get_abi_ASFLAGS() { get_abi_var ASFLAGS ${@}; }	196	get_abi_ASFLAGS() { get_abi_var ASFLAGS "$@"; }
		197	get_abi_LDFLAGS() { get_abi_var LDFLAGS "$@"; }
		198	get_abi_CHOST() { get_abi_var CHOST "$@"; }
		199	get_abi_CTARGET() { get_abi_var CTARGET "$@"; }
		200	get_abi_FAKE_TARGETS() { get_abi_var FAKE_TARGETS "$@"; }
		201	get_abi_CDEFINE() { get_abi_var CDEFINE "$@"; }
115	get_abi_LIBDIR() { get_abi_var LIBDIR ${@}; }	202	get_abi_LIBDIR() { get_abi_var LIBDIR "$@"; }
116		203
		204	# Return a list of the ABIs we want to install for with
		205	# the last one in the list being the default.
		206	get_install_abis() {
		207	local order=""
		208
		209	if [[ -z ${MULTILIB_ABIS} ]] ; then
		210	echo "default"
		211	return 0
		212	fi
		213
		214	if hasq multilib-pkg-force ${RESTRICT} \|\|
		215	{ hasq multilib-pkg ${FEATURES} && hasq multilib-pkg ${RESTRICT}; }; then
		216	for x in ${MULTILIB_ABIS} ; do
		217	if [[ ${x} != "${DEFAULT_ABI}" ]] ; then
		218	hasq ${x} ${ABI_DENY} \|\| ordera="${ordera} ${x}"
		219	fi
		220	done
		221	hasq ${DEFAULT_ABI} ${ABI_DENY} \|\| order="${ordera} ${DEFAULT_ABI}"
		222
		223	if [[ -n ${ABI_ALLOW} ]] ; then
		224	local ordera=""
		225	for x in ${order} ; do
		226	if hasq ${x} ${ABI_ALLOW} ; then
		227	ordera="${ordera} ${x}"
		228	fi
		229	done
		230	order=${ordera}
		231	fi
		232	else
		233	order=${DEFAULT_ABI}
		234	fi
		235
		236	if [[ -z ${order} ]] ; then
		237	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."
		238	fi
		239
		240	echo ${order}
		241	return 0
		242	}
		243
		244	# Return a list of the ABIs supported by this profile.
		245	# the last one in the list being the default.
		246	get_all_abis() {
		247	local order=""
		248
		249	if [[ -z ${MULTILIB_ABIS} ]] ; then
		250	echo "default"
		251	return 0
		252	fi
		253
		254	for x in ${MULTILIB_ABIS}; do
		255	if [[ ${x} != ${DEFAULT_ABI} ]] ; then
		256	order="${order:+${order} }${x}"
		257	fi
		258	done
		259	order="${order:+${order} }${DEFAULT_ABI}"
		260
		261	echo ${order}
		262	return 0
		263	}
		264
117	# get_all_libdir()	265	# get_all_libdirs()
118	# Returns a list of all the libdirs used by this profile	266	# Returns a list of all the libdirs used by this profile. This includes
		267	# those that might not be touched by the current ebuild.
119	get_all_libdirs() {	268	get_all_libdirs() {
		269	local libdirs="lib"
		270	local abi
120	local libdirs	271	local dir
121	if [ -n "${MULTILIB_ABIS}" ]; then	272
		273	# Remove when amd64's 2004.3 is purged.
		274	if [[ -n "${CONF_LIBDIR}" ]]; then
		275	for dir in ${CONF_LIBDIR} ${CONF_MULTILIBDIR:-lib32}; do
		276	[ "${dir}" != "lib" ] && libdirs="${libdirs} ${dir}"
		277	done
		278	else
122	for abi in ${MULTILIB_ABIS}; do	279	for abi in ${MULTILIB_ABIS}; do
123	libdirs="${libdirs} $(get_abi_LIBDIR ${abi})"	280	[ "$(get_abi_LIBDIR ${abi})" != "lib" ] && libdirs="${libdirs} $(get_abi_LIBDIR ${abi})"
124	done	281	done
125	libdirs="${libdirs:1}"	282	fi
126	elif [ -n "${CONF_LIBDIR}" ]; then	283
127	libdirs="${CONF_LIBDIR} ${CONF_MULTILIBDIR:=lib32}"	284	echo "${libdirs}"
		285	}
		286
		287	# Return true if ${ABI} is the last ABI on our list (or if we're not
		288	# using the new multilib configuration. This can be used to determine
		289	# if we're in the last (or only) run through src_{unpack,compile,install}
		290	is_final_abi() {
		291	has_multilib_profile \|\| return 0
		292	local ALL_ABIS=$(get_install_abis)
		293	local LAST_ABI=${ALL_ABIS/* /}
		294	[[ ${LAST_ABI} == ${ABI} ]]
		295	}
		296
		297	# echo the number of ABIs we will be installing for
		298	number_abis() {
		299	get_install_abis \| wc -w
		300	}
		301
		302	# get_ml_incdir [<include dir> [<ABI>]]
		303	# include dir defaults to /usr/include
		304	# ABI defaults to ${ABI} or ${DEFAULT_ABI}
		305	get_ml_incdir() {
		306	local dir=/usr/include
		307
		308	if [[ $# -gt 0 ]]; then
		309	incdir=$1
		310	shift
		311	fi
		312
		313	if [[ -z "${MULTILIB_ABIS}" ]]; then
		314	echo ${incdir}
		315	return 0
		316	fi
		317
		318	local abi=${ABI-${DEFAULT_ABI}}
		319	if [[ $# -gt 0 ]]; then
		320	abi=$1
		321	shift
		322	fi
		323
		324	if [[ -d "${dir}/gentoo-multilib/${abi}" ]]; then
		325	echo ${dir}/gentoo-multilib/${abi}
128	else	326	else
129	libdirs="lib"	327	echo ${dir}
		328	fi
		329	}
		330
		331	# prep_ml_includes:
		332	#
		333	# Some includes (include/asm, glibc, etc) are ABI dependent. In this case,
		334	# We can install them in different locations for each ABI and create a common
		335	# header which includes the right one based on CDEFINE_${ABI}. If your
		336	# package installs ABI-specific headers, just add 'prep_ml_includes' to the
		337	# end of your src_install(). It takes a list of directories that include
		338	# files are installed in (default is /usr/include if none are passed).
		339	#
		340	# Example:
		341	# src_install() {
		342	# ...
		343	# prep_ml_includes /usr/qt/3/include
		344	# }
		345
		346	prep_ml_includes() {
		347	if [[ $(number_abis) -gt 1 ]] ; then
		348	local dir
		349	local dirs
		350	local base
		351
		352	if [[ $# -eq 0 ]] ; then
		353	dirs=/usr/include
		354	else
		355	dirs="$@"
130	fi	356	fi
131		357
		358	for dir in ${dirs} ; do
		359	base=${T}/gentoo-multilib/${dir}/gentoo-multilib
		360	mkdir -p "${base}"
		361	[[ -d ${base}/${ABI} ]] && rm -rf "${base}/${ABI}"
		362	mv "${D}/${dir}" "${base}/${ABI}"
		363	done
		364
		365	if is_final_abi; then
		366	base=${T}/gentoo-multilib
		367	pushd "${base}"
		368	find . \| tar -c -T - -f - \| tar -x --no-same-owner -f - -C ${D}
		369	popd
		370
		371	# This 'set' stuff is required by mips profiles to properly pass
		372	# CDEFINE's (which have spaces) to sub-functions
		373	set --
		374	for dir in ${dirs} ; do
		375	set -- "$@" "${dir}"
		376	local abi
		377	for abi in $(get_install_abis); do
		378	set -- "$@" "$(get_abi_CDEFINE ${abi}):${dir}/gentoo-multilib/${abi}"
		379	done
		380	create_ml_includes "$@"
		381	done
		382	fi
		383	fi
		384	}
		385
		386	# If you need more control than prep_ml_includes can offer (like linux-headers
		387	# for the asm-* dirs, then use create_ml_includes. The firs argument is the
		388	# common dir. The remaining args are of the form <symbol>:<dir> where
		389	# <symbol> is what is put in the #ifdef for choosing that dir.
		390	#
		391	# Ideas for this code came from debian's sparc-linux headers package.
		392	#
		393	# Example:
		394	# create_ml_includes /usr/include/asm __sparc__:/usr/include/asm-sparc __sparc64__:/usr/include/asm-sparc64
		395	# create_ml_includes /usr/include/asm __i386__:/usr/include/asm-i386 __x86_64__:/usr/include/asm-x86_64
		396	#
		397	# Warning: Be careful with the ordering here. The default ABI has to be the
		398	# last, because it is always defined (by GCC)
		399	create_ml_includes() {
		400	local dest=$1
		401	shift
		402	local basedirs=$(create_ml_includes-listdirs "$@")
		403
		404	create_ml_includes-makedestdirs ${dest} ${basedirs}
		405
		406	local file
		407	for file in $(create_ml_includes-allfiles ${basedirs}) ; do
		408	#local name=$(echo ${file} \| tr '[:lower:]' '[:upper:]' \| sed 's:[^[:upper:]]:_:g')
		409	(
		410	echo "/* Autogenerated by create_ml_includes() in multilib.eclass */"
		411
		412	local dir
		413	for dir in ${basedirs}; do
		414	if [[ -f ${D}/${dir}/${file} ]] ; then
		415	echo ""
		416	local sym=$(create_ml_includes-sym_for_dir ${dir} "$@")
		417	if [[ ${sym/=} != "${sym}" ]] ; then
		418	echo "#if ${sym}"
		419	elif [[ ${sym::1} == "!" ]] ; then
		420	echo "#ifndef ${sym:1}"
		421	else
		422	echo "#ifdef ${sym}"
		423	fi
		424	echo "# include <$(create_ml_includes-absolute ${dir}/${file})>"
		425	echo "#endif /* ${sym} */"
		426	fi
		427	done
		428
		429	#echo "#endif /* __CREATE_ML_INCLUDES_STUB_${name}__ */"
		430	) > "${D}/${dest}/${file}"
		431	done
		432	}
		433
		434	# Helper function for create_ml_includes
		435	create_ml_includes-absolute() {
		436	local dst="$(create_ml_includes-tidy_path $1)"
		437
		438	dst=(${dst//\// })
		439
		440	local i
		441	for ((i=0; i<${#dst[*]}; i++)); do
		442	[ "${dst[i]}" == "include" ] && break
		443	done
		444
		445	local strip_upto=$i
		446
		447	for ((i=strip_upto+1; i<${#dst[*]}-1; i++)); do
		448	echo -n ${dst[i]}/
		449	done
		450
		451	echo -n ${dst[i]}
		452	}
		453
		454	# Helper function for create_ml_includes
		455	create_ml_includes-tidy_path() {
		456	local removed=$1
		457
		458	if [ -n "${removed}" ]; then
		459	# Remove multiple slashes
		460	while [ "${removed}" != "${removed/\/\//\/}" ]; do
		461	removed=${removed/\/\//\/}
		462	done
		463
		464	# Remove . directories
		465	while [ "${removed}" != "${removed//\/.\//\/}" ]; do
		466	removed=${removed//\/.\//\/}
		467	done
		468	[ "${removed##/}" = "." ] && removed=${removed%/}
		469
		470	# Removed .. directories
		471	while [ "${removed}" != "${removed//\/..\/}" ]; do
		472	local p1="${removed%%\/..\/*}"
		473	local p2="${removed#*\/..\/}"
		474
		475	removed="${p1%\/*}/${p2}"
		476	done
		477
		478	# Remove trailing ..
		479	[ "${removed##/}" = ".." ] && removed=${removed%//*}
		480
		481	# Remove trailing /
		482	[ "${removed##/}" = "" ] && removed=${removed%/}
		483
		484	echo ${removed}
		485	fi
		486	}
		487
		488	# Helper function for create_ml_includes
		489	create_ml_includes-listdirs() {
		490	local dirs
		491	local data
		492	for data in "$@"; do
		493	dirs="${dirs} ${data/*:/}"
		494	done
132	echo "${libdirs}"	495	echo ${dirs:1}
133	}	496	}
		497
		498	# Helper function for create_ml_includes
		499	create_ml_includes-makedestdirs() {
		500	local dest=$1
		501	shift
		502	local basedirs=$@
		503
		504	dodir ${dest}
		505
		506	local basedir
		507	for basedir in ${basedirs}; do
		508	local dir
		509	for dir in $(find ${D}/${basedir} -type d); do
		510	dodir ${dest}/${dir/${D}\/${basedir}/}
		511	done
		512	done
		513	}
		514
		515	# Helper function for create_ml_includes
		516	create_ml_includes-allfiles() {
		517	local basedir file
		518	for basedir in "$@" ; do
		519	for file in $(find "${D}"/${basedir} -type f); do
		520	echo ${file/${D}\/${basedir}\//}
		521	done
		522	done \| sort \| uniq
		523	}
		524
		525	# Helper function for create_ml_includes
		526	create_ml_includes-sym_for_dir() {
		527	local dir=$1
		528	shift
		529	local data
		530	for data in "$@"; do
		531	if [[ ${data} == *:${dir} ]] ; then
		532	echo ${data/:*/}
		533	return 0
		534	fi
		535	done
		536	echo "Shouldn't be here -- create_ml_includes-sym_for_dir $1 $@"
		537	# exit because we'll likely be called from a subshell
		538	exit 1
		539	}
		540
		541	get_libname() {
		542	local libname
		543	local ver=$1
		544	case ${CHOST} in
		545	-darwin) libname="dylib";;
		546	*) libname="so";;
		547	esac
		548
		549	if [[ -z $@ ]] ; then
		550	echo ".${libname}"
		551	else
		552	for ver in "$@" ; do
		553	case ${CHOST} in
		554	-darwin) echo ".${ver}.${libname}";;
		555	*) echo ".${libname}.${ver}";;
		556	esac
		557	done
		558	fi
		559	}
		560
		561	# This is for the toolchain to setup profile variables when pulling in
		562	# a crosscompiler (and thus they aren't set in the profile)
		563	multilib_env() {
		564	local CTARGET=${1:-${CTARGET}}
		565
		566	case ${CTARGET} in
		567	x86_64*)
		568	export CFLAGS_x86=${CFLAGS_x86--m32}
		569	export CHOST_x86=${CTARGET/x86_64/i686}
		570	export CTARGET_x86=${CHOST_x86}
		571	export CDEFINE_x86="__i386__"
		572	export LIBDIR_x86="lib"
		573
		574	export CFLAGS_amd64=${CFLAGS_amd64--m64}
		575	export CHOST_amd64=${CTARGET}
		576	export CTARGET_amd64=${CTARGET_amd64}
		577	export CDEFINE_amd64="__x86_64__"
		578	export LIBDIR_amd64="lib64"
		579
		580	export MULTILIB_ABIS="amd64 x86"
		581	export DEFAULT_ABI="amd64"
		582	;;
		583	mips64*)
		584	export CFLAGS_o32=${CFLAGS_o32--mabi=32}
		585	export CHOST_o32=${CTARGET/mips64/mips}
		586	export CTARGET_o32=${CHOST_o32}
		587	export CDEFINE_o32="_MIPS_SIM == _ABIO32"
		588	export LIBDIR_o32="lib"
		589
		590	export CFLAGS_n32=${CFLAGS_n32--mabi=n32}
		591	export CHOST_n32=${CTARGET}
		592	export CTARGET_n32=${CHOST_n32}
		593	export CDEFINE_n32="_MIPS_SIM == _ABIN32"
		594	export LIBDIR_n32="lib32"
		595
		596	export CFLAGS_n64=${CFLAGS_n64--mabi=64}
		597	export CHOST_n64=${CTARGET}
		598	export CTARGET_n64=${CHOST_n64}
		599	export CDEFINE_n64="_MIPS_SIM == _ABI64"
		600	export LIBDIR_n64="lib64"
		601
		602	export MULTILIB_ABIS="n64 n32 o32"
		603	export DEFAULT_ABI="n32"
		604	;;
		605	powerpc64*)
		606	export CFLAGS_ppc=${CFLAGS_ppc--m32}
		607	export CHOST_ppc=${CTARGET/powerpc64/powerpc}
		608	export CTARGET_ppc=${CHOST_ppc}
		609	export CDEFINE_ppc="!__powerpc64__"
		610	export LIBDIR_ppc="lib"
		611
		612	export CFLAGS_ppc64=${CFLAGS_ppc64--m64}
		613	export CHOST_ppc64=${CTARGET}
		614	export CTARGET_ppc64=${CHOST_ppc64}
		615	export CDEFINE_ppc64="__powerpc64__"
		616	export LIBDIR_ppc64="lib64"
		617
		618	export MULTILIB_ABIS="ppc64 ppc"
		619	export DEFAULT_ABI="ppc64"
		620	;;
		621	s390x*)
		622	export CFLAGS_s390=${CFLAGS_s390--m31} # the 31 is not a typo
		623	export CHOST_s390=${CTARGET/s390x/s390}
		624	export CTARGET_s390=${CHOST_s390}
		625	export CDEFINE_s390="!__s390x__"
		626	export LIBDIR_s390="lib"
		627
		628	export CFLAGS_s390x=${CFLAGS_s390x--m64}
		629	export CHOST_s390x=${CTARGET}
		630	export CTARGET_s390x=${CHOST_s390x}
		631	export CDEFINE_s390x="__s390x__"
		632	export LIBDIR_s390x="lib64"
		633
		634	export MULTILIB_ABIS="s390x s390"
		635	export DEFAULT_ABI="s390x"
		636	;;
		637	sparc64*)
		638	export CFLAGS_sparc32=${CFLAGS_sparc32--m32}
		639	export CHOST_sparc32=${CTARGET/sparc64/sparc}
		640	export CTARGET_sparc32=${CHOST_sparc32}
		641	export CDEFINE_sparc32="!__arch64__"
		642	export LIBDIR_sparc32="lib"
		643
		644	export CFLAGS_sparc64=${CFLAGS_sparc64--m64}
		645	export CHOST_sparc64=${CTARGET}
		646	export CTARGET_sparc64=${CHOST_sparc64}
		647	export CDEFINE_sparc64="__arch64__"
		648	export LIBDIR_sparc64="lib64"
		649
		650	export MULTILIB_ABIS="sparc64 sparc32"
		651	export DEFAULT_ABI="sparc64"
		652	;;
		653	*)
		654	export MULTILIB_ABIS="default"
		655	export DEFAULT_ABI="default"
		656	;;
		657	esac
		658	}
		659
		660	# Hide multilib details here for packages which are forced to be compiled for a
		661	# specific ABI when run on another ABI (like x86-specific packages on amd64)
		662	multilib_toolchain_setup() {
		663	if has_version app-admin/eselect-compiler ; then
		664	# Binutils doesn't have wrappers for ld and as (yet). Eventually it
		665	# will, and all this can just be handled with CHOST.
		666	export LD="ld $(get_abi_LDFLAGS $1)"
		667	export AS="as $(get_abi_ASFLAGS $1)"
		668
		669	export CHOST=$(get_abi_CHOST $1)
		670	export CBUILD=$(get_abi_CHOST $1)
		671	else
		672	tc-export CC
		673	export ABI=$1
		674	fi
		675	}

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+Added in v.1.54

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