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Revision 1.7		Revision 1.86
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 1.7 2005/01/13 00:48:39 eradicator Exp $	3	# $Header: /var/cvsroot/gentoo-x86/eclass/multilib.eclass,v 1.86 2011/03/18 19:12:08 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=${CONF_LIBDIR:-"lib"}
		24	export CDEFINE_default="__unix__"
		25	export KERNEL_ABI=${KERNEL_ABI:-${DEFAULT_ABI}}
14		26
15	DEPEND="!build? ( sys-apps/sed sys-apps/findutils sys-apps/coreutils )"	27	# @FUNCTION: has_multilib_profile
		28	# @DESCRIPTION:
		29	# Return true if the current profile is a multilib profile and lists more than
		30	# one abi in ${MULTILIB_ABIS}. When has_multilib_profile returns true, that
		31	# profile should enable the 'multilib' use flag. This is so you can DEPEND on
		32	# a package only for multilib or not multilib.
		33	has_multilib_profile() {
		34	[ -n "${MULTILIB_ABIS}" -a "${MULTILIB_ABIS}" != "${MULTILIB_ABIS/ /}" ]
		35	}
16		36
		37	# @FUNCTION: get_libdir
		38	# @RETURN: the libdir for the selected ABI
		39	# @DESCRIPTION:
17	# This function simply returns the desired lib directory. With portage	40	# This function simply returns the desired lib directory. With portage
18	# 2.0.51, we now have support for installing libraries to lib32/lib64	41	# 2.0.51, we now have support for installing libraries to lib32/lib64
19	# to accomidate the needs of multilib systems. It's no longer a good idea	42	# to accomidate the needs of multilib systems. It's no longer a good idea
20	# to assume all libraries will end up in lib. Replace any (sane) instances	43	# to assume all libraries will end up in lib. Replace any (sane) instances
21	# where lib is named directly with $(get_libdir) if possible.	44	# where lib is named directly with $(get_libdir) if possible.
22	#
23	# Travis Tilley <lv@gentoo.org> (24 Aug 2004)
24	#	45	#
25	# Jeremy Huddleston <eradicator@gentoo.org> (23 Dec 2004):	46	# Jeremy Huddleston <eradicator@gentoo.org> (23 Dec 2004):
26	# Added support for ${ABI} and ${DEFAULT_ABI}. If they're both not set,	47	# Added support for ${ABI} and ${DEFAULT_ABI}. If they're both not set,
27	# fall back on old behavior. Any profile that has these set should also	48	# fall back on old behavior. Any profile that has these set should also
28	# depend on a newer version of portage (not yet released) which uses these	49	# depend on a newer version of portage (not yet released) which uses these
29	# over CONF_LIBDIR in econf, dolib, etc...	50	# over CONF_LIBDIR in econf, dolib, etc...
30	get_libdir() {	51	get_libdir() {
31	LIBDIR_TEST=$(type econf)	52	local CONF_LIBDIR
32	if [ ! -z "${CONF_LIBDIR_OVERRIDE}" ] ; then	53	if [ -n "${CONF_LIBDIR_OVERRIDE}" ] ; then
33	# if there is an override, we want to use that... always.	54	# if there is an override, we want to use that... always.
34	CONF_LIBDIR="${CONF_LIBDIR_OVERRIDE}"	55	echo ${CONF_LIBDIR_OVERRIDE}
35	elif [ -n "$(get_abi_LIBDIR)" ]; then	56	else
36	CONF_LIBDIR="$(get_abi_LIBDIR)"	57	get_abi_LIBDIR
37	elif [ "${LIBDIR_TEST/CONF_LIBDIR}" == "${LIBDIR_TEST}" ]; then # we don't have CONF_LIBDIR support
38	# will be <portage-2.0.51_pre20
39	CONF_LIBDIR="lib"
40	fi	58	fi
41	# and of course, default to lib if CONF_LIBDIR isnt set
42	echo ${CONF_LIBDIR:=lib}
43	unset LIBDIR_TEST
44	}	59	}
45		60
		61	# @FUNCTION: get_multilibdir
		62	# @RETURN: Returns the multilibdir
46	get_multilibdir() {	63	get_multilibdir() {
47	if [ -n "$(get_abi_LIBDIR)" ]; then	64	if has_multilib_profile; then
48	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"	65	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"
49	exit 1	66	exit 1
50	fi	67	fi
51	echo ${CONF_MULTILIBDIR:=lib32}	68	echo ${CONF_MULTILIBDIR:=lib32}
52	}	69	}
53		70
		71	# @FUNCTION: get_libdir_override
		72	# @DESCRIPTION:
54	# Sometimes you need to override the value returned by get_libdir. A good	73	# Sometimes you need to override the value returned by get_libdir. A good
55	# example of this is xorg-x11, where lib32 isnt a supported configuration,	74	# example of this is xorg-x11, where lib32 isnt a supported configuration,
56	# and where lib64 -must- be used on amd64 (for applications that need lib	75	# and where lib64 -must- be used on amd64 (for applications that need lib
57	# to be 32bit, such as adobe acrobat). Note that this override also bypasses	76	# to be 32bit, such as adobe acrobat). Note that this override also bypasses
58	# portage version sanity checking.	77	# portage version sanity checking.
59	# get_libdir_override expects one argument, the result get_libdir should	78	# get_libdir_override expects one argument, the result get_libdir should
60	# return:	79	# return:
61	#	80	#
62	# get_libdir_override lib64	81	# get_libdir_override lib64
63	#
64	# Travis Tilley <lv@gentoo.org> (31 Aug 2004)
65	get_libdir_override() {	82	get_libdir_override() {
66	if [ -n "$(get_abi_LIBDIR)" ]; then	83	if has_multilib_profile; then
67	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"	84	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"
68	exit 1	85	exit 1
69	fi	86	fi
70	CONF_LIBDIR="$1"	87	CONF_LIBDIR="$1"
71	CONF_LIBDIR_OVERRIDE="$1"	88	CONF_LIBDIR_OVERRIDE="$1"
		89	LIBDIR_default="$1"
72	}	90	}
73		91
74	# get_abi_var <VAR> [<ABI>]	92	# @FUNCTION: get_abi_var
		93	# @USAGE: <VAR> [ABI]
75	# returns the value of ${<VAR>_<ABI>} which should be set in make.defaults	94	# @RETURN: returns the value of ${<VAR>_<ABI>} which should be set in make.defaults
76	#	95	# @DESCRIPTION:
77	# ex:	96	# ex:
78	# CFLAGS=$(get_abi_var CFLAGS sparc32) # CFLAGS=-m32	97	# CFLAGS=$(get_abi_var CFLAGS sparc32) # CFLAGS=-m32
79	#	98	#
80	# Note that the prefered method is to set CC="$(tc-getCC) $(get_abi_CFLAGS)"	99	# Note that the prefered method is to set CC="$(tc-getCC) $(get_abi_CFLAGS)"
81	# This will hopefully be added to portage soon...	100	# This will hopefully be added to portage soon...
82	#	101	#
83	# If <ABI> is not specified, ${ABI} is used.	102	# If <ABI> is not specified, ${ABI} is used.
84	# If <ABI> is not specified and ${ABI} is not defined, ${DEFAULT_ABI} is used.	103	# If <ABI> is not specified and ${ABI} is not defined, ${DEFAULT_ABI} is used.
85	# If <ABI> is not specified and ${ABI} and ${DEFAULT_ABI} are not defined, we return an empty string.	104	# If <ABI> is not specified and ${ABI} and ${DEFAULT_ABI} are not defined, we return an empty string.
86	#
87	# Jeremy Huddleston <eradicator@gentoo.org>
88	get_abi_var() {	105	get_abi_var() {
89	local flag=${1}	106	local flag=$1
90	local abi	107	local abi
91	if [ $# -gt 1 ]; then	108	if [ $# -gt 1 ]; then
92	abi=${2}	109	abi=${2}
93	elif [ -n "${ABI}" ]; then	110	elif [ -n "${ABI}" ]; then
94	abi=${ABI}	111	abi=${ABI}
95	elif [ -n "${DEFAULT_ABI}" ]; then	112	elif [ -n "${DEFAULT_ABI}" ]; then
96	abi=${DEFAULT_ABI}	113	abi=${DEFAULT_ABI}
97	else	114	else
98	return 1	115	abi="default"
99	fi	116	fi
100		117
101	local var="${flag}_${abi}"	118	local var="${flag}_${abi}"
102	echo ${!var}	119	echo ${!var}
103	}	120	}
104		121
		122	# @FUNCTION: get_abi_CFLAGS
		123	# @USAGE: [ABI]
		124	# @DESCRIPTION:
		125	# Alias for 'get_abi_var CFLAGS'
105	get_abi_CFLAGS() { get_abi_var CFLAGS ${@}; }	126	get_abi_CFLAGS() { get_abi_var CFLAGS "$@"; }
		127
		128	# @FUNCTION: get_abi_ASFLAGS
		129	# @USAGE: [ABI]
		130	# @DESCRIPTION:
		131	# Alias for 'get_abi_var ASFLAGS'
		132	get_abi_ASFLAGS() { get_abi_var ASFLAGS "$@"; }
		133
		134	# @FUNCTION: get_abi_LDFLAGS
		135	# @USAGE: [ABI]
		136	# @DESCRIPTION:
		137	# Alias for 'get_abi_var LDFLAGS'
		138	get_abi_LDFLAGS() { get_abi_var LDFLAGS "$@"; }
		139
		140	# @FUNCTION: get_abi_CHOST
		141	# @USAGE: [ABI]
		142	# @DESCRIPTION:
		143	# Alias for 'get_abi_var CHOST'
		144	get_abi_CHOST() { get_abi_var CHOST "$@"; }
		145
		146	# @FUNCTION: get_abi_CTARGET
		147	# @USAGE: [ABI]
		148	# @DESCRIPTION:
		149	# Alias for 'get_abi_var CTARGET'
		150	get_abi_CTARGET() { get_abi_var CTARGET "$@"; }
		151
		152	# @FUNCTION: get_abi_FAKE_TARGETS
		153	# @USAGE: [ABI]
		154	# @DESCRIPTION:
		155	# Alias for 'get_abi_var FAKE_TARGETS'
		156	get_abi_FAKE_TARGETS() { get_abi_var FAKE_TARGETS "$@"; }
		157
		158	# @FUNCTION: get_abi_CDEFINE
		159	# @USAGE: [ABI]
		160	# @DESCRIPTION:
		161	# Alias for 'get_abi_var CDEFINE'
106	get_abi_CDEFINE() { get_abi_var CDEFINE ${@}; }	162	get_abi_CDEFINE() { get_abi_var CDEFINE "$@"; }
		163
		164	# @FUNCTION: get_abi_LIBDIR
		165	# @USAGE: [ABI]
		166	# @DESCRIPTION:
		167	# Alias for 'get_abi_var LIBDIR'
107	get_abi_LIBDIR() { get_abi_var LIBDIR ${@}; }	168	get_abi_LIBDIR() { get_abi_var LIBDIR "$@"; }
108		169
		170	# @FUNCTION: get_install_abis
		171	# @DESCRIPTION:
109	# Return a list of the ABIs we want to install for with	172	# Return a list of the ABIs we want to install for with
110	# the last one in the list being the default.	173	# the last one in the list being the default.
111	get_abi_order() {	174	get_install_abis() {
112	local order=""	175	local order=""
113		176
114	if [ -z "${MULTILIB_ABIS}" ]; then	177	if [[ -z ${MULTILIB_ABIS} ]] ; then
115	echo "NOMULTILIB"	178	echo "default"
116	return 1	179	return 0
117	fi	180	fi
118		181
119	if hasq multilib-pkg-force ${RESTRICT} \|\|	182	if [[ ${EMULTILIB_PKG} == "true" ]] ; then
120	{ hasq multilib-pkg ${FEATURES} && hasq multilib-pkg ${RESTRICT}; }; then
121	for x in ${MULTILIB_ABIS}; do	183	for x in ${MULTILIB_ABIS} ; do
122	if [ "${x}" != "${DEFAULT_ABI}" ]; then	184	if [[ ${x} != "${DEFAULT_ABI}" ]] ; then
123	hasq ${x} ${ABI_DENY} \|\| ordera="${ordera} ${x}"	185	hasq ${x} ${ABI_DENY} \|\| ordera="${ordera} ${x}"
124	fi	186	fi
125	done	187	done
126	hasq ${DEFAULT_ABI} ${ABI_DENY} \|\| order="${ordera} ${DEFAULT_ABI}"	188	hasq ${DEFAULT_ABI} ${ABI_DENY} \|\| order="${ordera} ${DEFAULT_ABI}"
127		189
128	if [ -n "${ABI_ALLOW}" ]; then	190	if [[ -n ${ABI_ALLOW} ]] ; then
129	local ordera=""	191	local ordera=""
130	for x in ${order}; do	192	for x in ${order} ; do
131	if hasq ${x} ${ABI_ALLOW}; then	193	if hasq ${x} ${ABI_ALLOW} ; then
132	ordera="${ordera} ${x}"	194	ordera="${ordera} ${x}"
133	fi	195	fi
134	done	196	done
135	order="${ordera}"	197	order=${ordera}
136	fi	198	fi
137	else	199	else
138	order="${DEFAULT_ABI}"	200	order=${DEFAULT_ABI}
139	fi	201	fi
140		202
141	if [ -z "${order}" ]; then	203	if [[ -z ${order} ]] ; then
142	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."	204	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."
143	fi	205	fi
144		206
145	echo ${order}	207	echo ${order}
146	return 0	208	return 0
147	}	209	}
148		210
149	# get_all_libdir()	211	# @FUNCTION: get_all_abis
		212	# @DESCRIPTION:
		213	# Return a list of the ABIs supported by this profile.
		214	# the last one in the list being the default.
		215	get_all_abis() {
		216	local order=""
		217
		218	if [[ -z ${MULTILIB_ABIS} ]] ; then
		219	echo "default"
		220	return 0
		221	fi
		222
		223	for x in ${MULTILIB_ABIS}; do
		224	if [[ ${x} != ${DEFAULT_ABI} ]] ; then
		225	order="${order:+${order} }${x}"
		226	fi
		227	done
		228	order="${order:+${order} }${DEFAULT_ABI}"
		229
		230	echo ${order}
		231	return 0
		232	}
		233
		234	# @FUNCTION: get_all_libdirs
		235	# @DESCRIPTION:
150	# Returns a list of all the libdirs used by this profile. This includes	236	# Returns a list of all the libdirs used by this profile. This includes
151	# those that might not be touched by the current ebuild.	237	# those that might not be touched by the current ebuild and always includes
		238	# "lib".
152	get_all_libdirs() {	239	get_all_libdirs() {
153	local libdirs="lib"	240	local libdirs
154	local abi	241	local abi
155	local dir	242	local dir
156		243
157	if [ -n "${MULTILIB_ABIS}" ]; then
158	for abi in ${MULTILIB_ABIS}; do	244	for abi in ${MULTILIB_ABIS}; do
159	[ "$(get_abi_LIBDIR ${abi})" != "lib" ] && libdirs="${libdirs} $(get_abi_LIBDIR ${abi})"	245	libdirs+=" $(get_abi_LIBDIR ${abi})"
160	done	246	done
161	elif [ -n "${CONF_LIBDIR}" ]; then	247	[[ " ${libdirs} " != " lib " ]] && libdirs+=" lib"
162	for dir in ${CONF_LIBDIR} ${CONF_MULTILIBDIR:=lib32}; do
163	[ "${dir}" != "lib" ] && libdirs="${libdirs} ${dir}"
164	done
165	fi
166		248
167	echo "${libdirs}"	249	echo "${libdirs}"
168	}	250	}
169		251
		252	# @FUNCTION: is_final_abi
		253	# @DESCRIPTION:
170	# Return true if ${ABI} is the last ABI on our list (or if we're not	254	# Return true if ${ABI} is the last ABI on our list (or if we're not
171	# using the new multilib configuration. This can be used to determine	255	# using the new multilib configuration. This can be used to determine
172	# if we're in the last (or only) run through src_{unpack,compile,install}	256	# if we're in the last (or only) run through src_{unpack,compile,install}
173	is_final_abi() {	257	is_final_abi() {
174	[ -z "${ABI}" ] && return 0	258	has_multilib_profile \|\| return 0
175	local ALL_ABIS=$(get_abi_order)	259	set -- $(get_install_abis)
176	local LAST_ABI=${ALL_ABIS/* /}	260	local LAST_ABI=$#
177	[ "${LAST_ABI}" = "${ABI}" ]	261	[[ ${!LAST_ABI} == ${ABI} ]]
178	}	262	}
179		263
		264	# @FUNCTION: number_abis
		265	# @DESCRIPTION:
180	# echo the number of ABIs we will be installing for	266	# echo the number of ABIs we will be installing for
181	number_abis() {	267	number_abis() {
182	get_abi_order \| wc -w	268	get_install_abis \| wc -w
183	}	269	}
184		270
		271	# @FUNCTION: get_ml_incdir
		272	# @USAGE: [include_dir] [ABI]
		273	# @DESCRIPTION:
		274	# include dir defaults to /usr/include
		275	# ABI defaults to ${ABI} or ${DEFAULT_ABI}
		276	#
		277	# If a multilib include dir is associated with the passed include dir, then
		278	# we return it, otherwise, we just echo back the include dir. This is
		279	# neccessary when a built script greps header files rather than testing them
		280	# via #include (like perl) to figure out features.
		281	get_ml_incdir() {
		282	local dir=/usr/include
		283
		284	if [[ $# -gt 0 ]]; then
		285	incdir=$1
		286	shift
		287	fi
		288
		289	if [[ -z "${MULTILIB_ABIS}" ]]; then
		290	echo ${incdir}
		291	return 0
		292	fi
		293
		294	local abi=${ABI-${DEFAULT_ABI}}
		295	if [[ $# -gt 0 ]]; then
		296	abi=$1
		297	shift
		298	fi
		299
		300	if [[ -d "${dir}/gentoo-multilib/${abi}" ]]; then
		301	echo ${dir}/gentoo-multilib/${abi}
		302	else
		303	echo ${dir}
		304	fi
		305	}
		306
185	# prep_ml_includes:	307	# @FUNCTION: prep_ml_includes
186	#	308	# @DESCRIPTION:
187	# Some includes (include/asm, glibc, etc) are ABI dependent. In this case,	309	# Some includes (include/asm, glibc, etc) are ABI dependent. In this case,
188	# We can install them in different locations for each ABI and create a common	310	# We can install them in different locations for each ABI and create a common
189	# header which includes the right one based on CDEFINE_${ABI}. If your	311	# header which includes the right one based on CDEFINE_${ABI}. If your
190	# package installs ABI-specific headers, just add 'prep_ml_includes' to the	312	# package installs ABI-specific headers, just add 'prep_ml_includes' to the
191	# end of your src_install(). It takes a list of directories that include	313	# end of your src_install(). It takes a list of directories that include
192	# files are installed in (default is /usr/include if none are passed).	314	# files are installed in (default is /usr/include if none are passed).
193	#	315	#
194	# Example:	316	# Example:
195	# src_install() {	317	# src_install() {
196	# ...	318	# ...
197	# prep_ml_includes /usr/qt/3/include	319	# prep_ml_includes /usr/qt/3/include
198	# }	320	# }
199
200	prep_ml_includes() {	321	prep_ml_includes() {
201	local dirs
202	if [ ${#} -eq 0 ]; then
203	dirs="/usr/include"
204	else
205	dirs="${@}"
206	fi
207
208	if [ $(number_abis) -gt 1 ]; then	322	if [[ $(number_abis) -gt 1 ]] ; then
209	local dir	323	local dir
		324	local dirs
		325	local base
		326
		327	if [[ $# -eq 0 ]] ; then
		328	dirs=/usr/include
		329	else
		330	dirs="$@"
		331	fi
		332
210	for dir in ${dirs}; do	333	for dir in ${dirs} ; do
		334	base=${T}/gentoo-multilib/${dir}/gentoo-multilib
		335	mkdir -p "${base}"
		336	[[ -d ${base}/${ABI} ]] && rm -rf "${base}/${ABI}"
211	mv ${D}/${dir} ${D}/${dir}.${ABI}	337	mv "${D}/${dir}" "${base}/${ABI}"
212	done	338	done
213		339
214	if is_final_abi; then	340	if is_final_abi; then
		341	base=${T}/gentoo-multilib
		342	pushd "${base}"
		343	find . \| tar -c -T - -f - \| tar -x --no-same-owner -f - -C "${D}"
		344	popd
		345
		346	# This 'set' stuff is required by mips profiles to properly pass
		347	# CDEFINE's (which have spaces) to sub-functions
		348	set --
215	for dir in ${dirs}; do	349	for dir in ${dirs} ; do
216	local args="${dir}"	350	set -- "$@" "${dir}"
217	local abi	351	local abi
218	for abi in $(get_abi_order); do	352	for abi in $(get_install_abis); do
219	args="${args} $(get_abi_CDEFINE ${abi}):${dir}.${abi}"	353	set -- "$@" "$(get_abi_CDEFINE ${abi}):${dir}/gentoo-multilib/${abi}"
220	done	354	done
221	create_ml_includes ${args}	355	create_ml_includes "$@"
222	done	356	done
223	fi	357	fi
224	fi	358	fi
225	}	359	}
226		360
		361	# @FUNCTION: create_ml_includes
		362	# @USAGE: <include_dir> <symbol_1>:<dir_1> [<symbol_2>:<dir_2>...]
		363	# @DESCRIPTION:
227	# If you need more control than prep_ml_includes can offer (like linux-headers	364	# If you need more control than prep_ml_includes can offer (like linux-headers
228	# for the asm-* dirs, then use create_ml_includes. The firs argument is the	365	# for the asm-* dirs, then use create_ml_includes. The firs argument is the
229	# common dir. The remaining args are of the form <symbol>:<dir> where	366	# common dir. The remaining args are of the form <symbol>:<dir> where
230	# <symbol> is what is put in the #ifdef for choosing that dir.	367	# <symbol> is what is put in the #ifdef for choosing that dir.
231	#	368	#
232	# Ideas for this code came from debian's sparc-linux headers package.	369	# Ideas for this code came from debian's sparc-linux headers package.
233	#	370	#
234	# Example:	371	# Example:
235	# create_ml_includes /usr/include/asm __sparc__:/usr/include/asm-sparc __sparc64__:/usr/include/asm-sparc64	372	# create_ml_includes /usr/include/asm __sparc__:/usr/include/asm-sparc __sparc64__:/usr/include/asm-sparc64
236	# create_ml_includes /usr/include/asm __i386__:/usr/include/asm-i386 __x86_64__:/usr/include/asm-x86_64	373	# create_ml_includes /usr/include/asm __i386__:/usr/include/asm-i386 __x86_64__:/usr/include/asm-x86_64
		374	#
		375	# Warning: Be careful with the ordering here. The default ABI has to be the
		376	# last, because it is always defined (by GCC)
237	create_ml_includes() {	377	create_ml_includes() {
238	local dest="${1}"	378	local dest=$1
239	shift	379	shift
240	local mlinfo="${@}"
241	local basedirs=$(create_ml_includes-listdirs ${mlinfo})	380	local basedirs=$(create_ml_includes-listdirs "$@")
242		381
243	create_ml_includes-makedestdirs ${dest} ${basedirs}	382	create_ml_includes-makedestdirs ${dest} ${basedirs}
244		383
245	local file	384	local file
246	for file in $(create_ml_includes-allfiles ${basedirs}); do	385	for file in $(create_ml_includes-allfiles ${basedirs}) ; do
247	local name="$(echo $file \| tr a-z A-Z \| sed 's:[^A-Z]:_:g')"	386	#local name=$(echo ${file} \| tr '[:lower:]' '[:upper:]' \| sed 's:[^[:upper:]]:_:g')
248	{	387	(
249	echo "/* Common header file autogenerated by create_ml_includes in multilib.eclass */"	388	echo "/* Autogenerated by create_ml_includes() in multilib.eclass */"
250	#echo "#ifndef __CREATE_ML_INCLUDES_STUB_${name}__"
251	#echo "#define __CREATE_ML_INCLUDES_STUB_${name}__"
252	#echo ""
253		389
254	local dir	390	local dir
255	for dir in ${basedirs}; do	391	for dir in ${basedirs}; do
256	if [ -f "${D}/${dir}/${file}" ]; then	392	if [[ -f ${D}/${dir}/${file} ]] ; then
257	echo "#ifdef $(create_ml_includes-sym_for_dir ${dir} ${mlinfo})"
258	echo "#include \"$(create_ml_includes-relative_between ${dest}/$(dirname ${file}) ${dir}/${file})\""
259	echo "#endif /* $(create_ml_includes-sym_for_dir ${dir} ${mlinfo}) */"
260	echo ""	393	echo ""
		394	local sym=$(create_ml_includes-sym_for_dir ${dir} "$@")
		395	if [[ ${sym/=} != "${sym}" ]] ; then
		396	echo "#if ${sym}"
		397	elif [[ ${sym::1} == "!" ]] ; then
		398	echo "#ifndef ${sym:1}"
		399	else
		400	echo "#ifdef ${sym}"
		401	fi
		402	echo "# include <$(create_ml_includes-absolute ${dir}/${file})>"
		403	echo "#endif /* ${sym} */"
261	fi	404	fi
262	done	405	done
263		406
264	#echo "#endif /* __CREATE_ML_INCLUDES_STUB_${name}__ */"	407	#echo "#endif /* __CREATE_ML_INCLUDES_STUB_${name}__ */"
265	} > ${D}/${dest}/${file}	408	) > "${D}/${dest}/${file}"
266	done	409	done
267	}	410	}
268		411
269	# Helper function for create_ml_includes	412	# Helper function for create_ml_includes
270	create_ml_includes-relative_between() {	413	create_ml_includes-absolute() {
271	local src="$(create_ml_includes-tidy_path ${1})"
272	local dst="$(create_ml_includes-tidy_path ${2})"	414	local dst="$(create_ml_includes-tidy_path $1)"
273		415
274	src=(${src//\// })
275	dst=(${dst//\// })	416	dst=(${dst//\// })
276		417
277	local i	418	local i
278	for ((i=0; i<${#src[*]}; i++)); do	419	for ((i=0; i<${#dst[*]}; i++)); do
279	[ "${dst[i]}" != "${src[i]}" ] && break	420	[ "${dst[i]}" == "include" ] && break
280	done	421	done
281		422
282	local common=$i	423	local strip_upto=$i
283		424
284	for ((i=${#src[*]}; i>common; i--)); do
285	echo -n ../
286	done
287
288	for ((i=common; i<${#dst[*]}-1; i++)); do	425	for ((i=strip_upto+1; i<${#dst[*]}-1; i++)); do
289	echo -n ${dst[i]}/	426	echo -n ${dst[i]}/
290	done	427	done
291		428
292	echo -n ${dst[i]}	429	echo -n ${dst[i]}
293	}	430	}
294		431
295	# Helper function for create_ml_includes	432	# Helper function for create_ml_includes
296	create_ml_includes-tidy_path() {	433	create_ml_includes-tidy_path() {
297	local removed="${1}"	434	local removed=$1
298		435
299	if [ -n "${removed}" ]; then	436	if [ -n "${removed}" ]; then
300	# Remove multiple slashes	437	# Remove multiple slashes
301	while [ "${removed}" != "${removed/\/\//\/}" ]; do	438	while [ "${removed}" != "${removed/\/\//\/}" ]; do
302	removed=${removed/\/\//\/}	439	removed=${removed/\/\//\/}
…		…
319	# Remove trailing ..	456	# Remove trailing ..
320	[ "${removed##/}" = ".." ] && removed=${removed%//*}	457	[ "${removed##/}" = ".." ] && removed=${removed%//*}
321		458
322	# Remove trailing /	459	# Remove trailing /
323	[ "${removed##/}" = "" ] && removed=${removed%/}	460	[ "${removed##/}" = "" ] && removed=${removed%/}
324		461
325	echo ${removed}	462	echo ${removed}
326	fi	463	fi
327	}	464	}
328		465
329	# Helper function for create_ml_includes	466	# Helper function for create_ml_includes
330	create_ml_includes-listdirs() {	467	create_ml_includes-listdirs() {
331	local dirs	468	local dirs
332	local data	469	local data
333	for data in ${@}; do	470	for data in "$@"; do
334	dirs="${dirs} ${data/*:/}"	471	dirs="${dirs} ${data/*:/}"
335	done	472	done
336	echo ${dirs:1}	473	echo ${dirs:1}
337	}	474	}
338		475
339	# Helper function for create_ml_includes	476	# Helper function for create_ml_includes
340	create_ml_includes-makedestdirs() {	477	create_ml_includes-makedestdirs() {
341	local dest=${1}	478	local dest=$1
342	shift	479	shift
343	local basedirs=${@}	480	local basedirs=$@
		481	[[ -z ${ED} ]] && local ED=${D}
344		482
345	dodir ${dest}	483	dodir ${dest}
346		484
347	local basedir	485	local basedir
348	for basedir in ${basedirs}; do	486	for basedir in ${basedirs}; do
349	local dir	487	local dir
350	for dir in $(find ${D}/${basedir} -type d); do	488	for dir in $(find "${ED}"/${basedir} -type d); do
351	dodir ${dest}/${dir/${D}\/${basedir}/}	489	dodir ${dest}/${dir/${ED}\/${basedir}/}
352	done	490	done
353	done	491	done
354	}	492	}
355		493
356	# Helper function for create_ml_includes	494	# Helper function for create_ml_includes
357	create_ml_includes-allfiles() {	495	create_ml_includes-allfiles() {
358	local basedirs=${@}	496	[[ -z ${ED} ]] && local ED=${D}
359
360	local basedir	497	local basedir file
361	for basedir in ${basedirs}; do	498	for basedir in "$@" ; do
362	local file
363	for file in $(find ${D}/${basedir} -type f); do	499	for file in $(find "${ED}"/${basedir} -type f); do
364	echo ${file/${D}\/${basedir}\//}	500	echo ${file/${ED}\/${basedir}\//}
365	done	501	done
366	done \| sort \| uniq	502	done \| sort \| uniq
367	}	503	}
368		504
369	# Helper function for create_ml_includes	505	# Helper function for create_ml_includes
370	create_ml_includes-sym_for_dir() {	506	create_ml_includes-sym_for_dir() {
371	local dir="${1}"	507	local dir=$1
372	shift	508	shift
373	local data	509	local data
374	for data in ${@}; do	510	for data in "$@"; do
375	if [ "${dir}" = "${data/*:/}" ]; then	511	if [[ ${data} == *:${dir} ]] ; then
376	echo ${data/:*/}	512	echo ${data/:*/}
377	return 0	513	return 0
378	fi	514	fi
379	done	515	done
380	echo "Shouldn't be here -- create_ml_includes-sym_for_dir ${1} ${@}"	516	echo "Shouldn't be here -- create_ml_includes-sym_for_dir $1 $@"
381	# exit because we'll likely be called from a subshell	517	# exit because we'll likely be called from a subshell
382	exit 1	518	exit 1
383	}	519	}
		520
		521	# @FUNCTION: get_libname
		522	# @USAGE: [version]
		523	# @DESCRIPTION:
		524	# Returns libname with proper suffix {.so,.dylib,.dll,etc} and optionally
		525	# supplied version for the current platform identified by CHOST.
		526	#
		527	# Example:
		528	# get_libname ${PV}
		529	# Returns: .so.${PV} (ELF) \|\| .${PV}.dylib (MACH) \|\| ...
		530	get_libname() {
		531	local libname
		532	local ver=$1
		533	case ${CHOST} in
		534	-cygwin\|mingw\|-mingw) libname="dll";;
		535	-darwin) libname="dylib";;
		536	-mint) libname="irrelevant";;
		537	hppa-hpux) libname="sl";;
		538	*) libname="so";;
		539	esac
		540
		541	if [[ -z $* ]] ; then
		542	echo ".${libname}"
		543	else
		544	for ver in "$@" ; do
		545	case ${CHOST} in
		546	-darwin) echo ".${ver}.${libname}";;
		547	-mint) echo ".${libname}";;
		548	*) echo ".${libname}.${ver}";;
		549	esac
		550	done
		551	fi
		552	}
		553
		554	# @FUNCTION: get_modname
		555	# @USAGE:
		556	# @DESCRIPTION:
		557	# Returns modulename with proper suffix {.so,.bundle,etc} for the current
		558	# platform identified by CHOST.
		559	#
		560	# Example:
		561	# libfoo$(get_modname)
		562	# Returns: libfoo.so (ELF) \|\| libfoo.bundle (MACH) \|\| ...
		563	get_modname() {
		564	local modname
		565	local ver=$1
		566	case ${CHOST} in
		567	-darwin) modname="bundle";;
		568	*) modname="so";;
		569	esac
		570
		571	echo ".${modname}"
		572	}
		573
		574	# This is for the toolchain to setup profile variables when pulling in
		575	# a crosscompiler (and thus they aren't set in the profile)
		576	multilib_env() {
		577	local CTARGET=${1:-${CTARGET}}
		578
		579	case ${CTARGET} in
		580	x86_64*)
		581	export CFLAGS_x86=${CFLAGS_x86--m32}
		582	export CHOST_x86=${CTARGET/x86_64/i686}
		583	export CTARGET_x86=${CHOST_x86}
		584	export CDEFINE_x86="__i386__"
		585	if [[ ${SYMLINK_LIBDIR} == "yes" ]] ; then
		586	export LIBDIR_x86="lib32"
		587	else
		588	export LIBDIR_x86="lib"
		589	fi
		590
		591	export CFLAGS_amd64=${CFLAGS_amd64--m64}
		592	export CHOST_amd64=${CTARGET}
		593	export CTARGET_amd64=${CHOST_amd64}
		594	export CDEFINE_amd64="__x86_64__"
		595	export LIBDIR_amd64="lib64"
		596
		597	export CFLAGS_x32=${CFLAGS_x32--mx32}
		598	export CHOST_x32=${CTARGET}
		599	export CTARGET_x32=${CHOST_x32}
		600	export CDEFINE_x32="__i386__"
		601	export LIBDIR_x32="libx32"
		602
		603	: ${MULTILIB_ABIS=amd64 x86}
		604	: ${DEFAULT_ABI=amd64}
		605	;;
		606	mips64*)
		607	export CFLAGS_o32=${CFLAGS_o32--mabi=32}
		608	export CHOST_o32=${CTARGET/mips64/mips}
		609	export CTARGET_o32=${CHOST_o32}
		610	export CDEFINE_o32="_MIPS_SIM == _ABIO32"
		611	export LIBDIR_o32="lib"
		612
		613	export CFLAGS_n32=${CFLAGS_n32--mabi=n32}
		614	export CHOST_n32=${CTARGET}
		615	export CTARGET_n32=${CHOST_n32}
		616	export CDEFINE_n32="_MIPS_SIM == _ABIN32"
		617	export LIBDIR_n32="lib32"
		618
		619	export CFLAGS_n64=${CFLAGS_n64--mabi=64}
		620	export CHOST_n64=${CTARGET}
		621	export CTARGET_n64=${CHOST_n64}
		622	export CDEFINE_n64="_MIPS_SIM == _ABI64"
		623	export LIBDIR_n64="lib64"
		624
		625	: ${MULTILIB_ABIS=n64 n32 o32}
		626	: ${DEFAULT_ABI=n32}
		627	;;
		628	powerpc64*)
		629	export CFLAGS_ppc=${CFLAGS_ppc--m32}
		630	export CHOST_ppc=${CTARGET/powerpc64/powerpc}
		631	export CTARGET_ppc=${CHOST_ppc}
		632	export CDEFINE_ppc="!__powerpc64__"
		633	export LIBDIR_ppc="lib"
		634
		635	export CFLAGS_ppc64=${CFLAGS_ppc64--m64}
		636	export CHOST_ppc64=${CTARGET}
		637	export CTARGET_ppc64=${CHOST_ppc64}
		638	export CDEFINE_ppc64="__powerpc64__"
		639	export LIBDIR_ppc64="lib64"
		640
		641	: ${MULTILIB_ABIS=ppc64 ppc}
		642	: ${DEFAULT_ABI=ppc64}
		643	;;
		644	s390x*)
		645	export CFLAGS_s390=${CFLAGS_s390--m31} # the 31 is not a typo
		646	export CHOST_s390=${CTARGET/s390x/s390}
		647	export CTARGET_s390=${CHOST_s390}
		648	export CDEFINE_s390="!__s390x__"
		649	export LIBDIR_s390="lib"
		650
		651	export CFLAGS_s390x=${CFLAGS_s390x--m64}
		652	export CHOST_s390x=${CTARGET}
		653	export CTARGET_s390x=${CHOST_s390x}
		654	export CDEFINE_s390x="__s390x__"
		655	export LIBDIR_s390x="lib64"
		656
		657	: ${MULTILIB_ABIS=s390x s390}
		658	: ${DEFAULT_ABI=s390x}
		659	;;
		660	sparc*)
		661	export CFLAGS_sparc32=${CFLAGS_sparc32}
		662	export CHOST_sparc32=${CTARGET/sparc64/sparc}
		663	export CTARGET_sparc32=${CHOST_sparc32}
		664	export CDEFINE_sparc32="!__arch64__"
		665	export LIBDIR_sparc32="lib"
		666
		667	export CFLAGS_sparc64=${CFLAGS_sparc64--m64}
		668	export CHOST_sparc64=${CTARGET}
		669	export CTARGET_sparc64=${CHOST_sparc64}
		670	export CDEFINE_sparc64="__arch64__"
		671	export LIBDIR_sparc64="lib64"
		672
		673	: ${MULTILIB_ABIS=sparc64 sparc32}
		674	: ${DEFAULT_ABI=sparc64}
		675	;;
		676	*)
		677	: ${MULTILIB_ABIS=default}
		678	: ${DEFAULT_ABI=default}
		679	;;
		680	esac
		681
		682	export MULTILIB_ABIS DEFAULT_ABI
		683	}
		684
		685	# @FUNCTION: multilib_toolchain_setup
		686	# @DESCRIPTION:
		687	# Hide multilib details here for packages which are forced to be compiled for a
		688	# specific ABI when run on another ABI (like x86-specific packages on amd64)
		689	multilib_toolchain_setup() {
		690	local v vv
		691
		692	export ABI=$1
		693
		694	# First restore any saved state we have laying around.
		695	if [[ ${__DEFAULT_ABI_SAVED} == "true" ]] ; then
		696	for v in CHOST CBUILD AS CC CXX LD ; do
		697	vv="__abi_saved_${v}"
		698	export ${v}="${!vv}"
		699	unset ${vv}
		700	done
		701	unset __DEFAULT_ABI_SAVED
		702	fi
		703
		704	# We want to avoid the behind-the-back magic of gcc-config as it
		705	# screws up ccache and distcc. See #196243 for more info.
		706	if [[ ${ABI} != ${DEFAULT_ABI} ]] ; then
		707	# Back that multilib-ass up so we can restore it later
		708	for v in CHOST CBUILD AS CC CXX LD ; do
		709	export __abi_saved_${v}="${!v}"
		710	done
		711	export __DEFAULT_ABI_SAVED="true"
		712
		713	# Set the CHOST native first so that we pick up the native
		714	# toolchain and not a cross-compiler by accident #202811.
		715	export CHOST=$(get_abi_CHOST ${DEFAULT_ABI})
		716	export AS="$(tc-getAS) $(get_abi_ASFLAGS)"
		717	export CC="$(tc-getCC) $(get_abi_CFLAGS)"
		718	export CXX="$(tc-getCXX) $(get_abi_CFLAGS)"
		719	export LD="$(tc-getLD) $(get_abi_LDFLAGS)"
		720	export CHOST=$(get_abi_CHOST $1)
		721	export CBUILD=$(get_abi_CHOST $1)
		722	fi
		723	}

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