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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 1.22 2005/02/14 11:33:11 eradicator Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/multilib.eclass,v 1.91 2011/07/08 11:35:01 ssuominen 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
10ECLASS=multilib 13___ECLASS_RECUR_MULTILIB="yes"
11INHERITED="$INHERITED $ECLASS" 14[[ -z ${___ECLASS_RECUR_TOOLCHAIN_FUNCS} ]] && inherit toolchain-funcs
12
13DESCRIPTION="Based on the ${ECLASS} eclass"
14
15# has_multilib_profile:
16# Return true if the current profile is a multilib profile and lists more than
17# one abi in ${MULTILIB_ABIS}. You might want to use this like
18# 'use multilib || has_multilib_profile' until all profiles utilizing the
19# 'multilib' use flag are removed from portage
20
21# is_final_abi:
22# Return true if ${ABI} is the final abi to be installed (and thus we are
23# on our last run through a src_* function.
24
25# number_abis:
26# echo the number of ABIs we will be installing for
27
28# get_install_abis:
29# Return a list of the ABIs we want to install for with
30# the last one in the list being the default.
31
32# get_all_abis:
33# Return a list of the ABIs supported by this profile.
34# the last one in the list being the default.
35
36# get_all_libdirs:
37# Returns a list of all the libdirs used by this profile. This includes
38# those that might not be touched by the current ebuild and always includes
39# "lib".
40
41# get_libdir:
42# Returns the libdir for the selected ABI. This is backwards compatible
43# and simply calls get_abi_LIBDIR() on newer profiles. You should use this
44# to determine where to install shared objects (ex: /usr/$(get_libdir))
45
46# get_abi_var <VAR> [<ABI>]:
47# returns the value of ${<VAR>_<ABI>} which should be set in make.defaults
48#
49# get_abi_CFLAGS:
50# get_abi_CDEFINE:
51# get_abi_LIBDIR:
52# Aliases for 'get_abi_var CFLAGS', etc.
53
54# get_ml_incdir [<include dir> [<ABI>]]
55# include dir defaults to /usr/include
56# ABI defaults to ${ABI} or ${DEFAULT_ABI}
57#
58# If a multilib include dir is associated with the passed include dir, then
59# we return it, otherwise, we just echo back the include dir. This is
60# neccessary when a built script greps header files rather than testing them
61# via #include (like perl) to figure out features.
62
63# prep_ml_includes:
64# Some includes (include/asm, glibc, etc) are ABI dependent. In this case,
65# We can install them in different locations for each ABI and create a common
66# header which includes the right one based on CDEFINE_${ABI}. If your
67# package installs ABI-specific headers, just add 'prep_ml_includes' to the
68# end of your src_install(). It takes a list of directories that include
69# files are installed in (default is /usr/include if none are passed).
70#
71# Example:
72# src_install() {
73# ...
74# prep_ml_includes /usr/qt/3/include
75# }
76
77# create_ml_includes <include dir> <symbol 1>:<dir 1> [<symbol 2>:<dir 2> ...]
78# If you need more control than prep_ml_includes can offer (like linux-headers
79# for the asm-* dirs, then use create_ml_includes. The firs argument is the
80# common dir. The remaining args are of the form <symbol>:<dir> where
81# <symbol> is what is put in the #ifdef for choosing that dir.
82#
83# Ideas for this code came from debian's sparc-linux headers package.
84#
85# Example:
86# create_ml_includes /usr/include/asm __sparc__:/usr/include/asm-sparc __sparc64__:/usr/include/asm-sparc64
87# create_ml_includes /usr/include/asm __i386__:/usr/include/asm-i386 __x86_64__:/usr/include/asm-x86_64
88
89### END DOCUMENTATION ###
90 15
91# Defaults: 16# Defaults:
92export MULTILIB_ABIS=${MULTILIB_ABIS:-"default"} 17export MULTILIB_ABIS=${MULTILIB_ABIS:-"default"}
93export DEFAULT_ABI=${DEFAULT_ABI:-"default"} 18export DEFAULT_ABI=${DEFAULT_ABI:-"default"}
94export ABI=${ABI:-"default"}
95export CFLAGS_default="" 19export CFLAGS_default
96export LDFLAGS_default="" 20export LDFLAGS_default
97export CHOST_default=${CHOST} 21export CHOST_default=${CHOST_default:-${CHOST}}
22export CTARGET_default=${CTARGET_default:-${CTARGET:-${CHOST_default}}}
98export LIBDIR_default=${CONF_LIBDIR:-"lib"} 23export LIBDIR_default=${CONF_LIBDIR:-"lib"}
99export CDEFINE_default="__unix__" 24export KERNEL_ABI=${KERNEL_ABI:-${DEFAULT_ABI}}
100 25
101# has_multilib_profile() 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 ${MULTILIB_ABIS}. When has_multilib_profile returns true, that
30# profile should enable the 'multilib' use flag. This is so you can DEPEND on
31# a package only for multilib or not multilib.
102has_multilib_profile() { 32has_multilib_profile() {
103 [ -n "${MULTILIB_ABIS}" -a "${MULTILIB_ABIS}" != "${MULTILIB_ABIS/ /}" ] 33 [ -n "${MULTILIB_ABIS}" -a "${MULTILIB_ABIS}" != "${MULTILIB_ABIS/ /}" ]
104} 34}
105 35
36# @FUNCTION: get_libdir
37# @RETURN: the libdir for the selected ABI
38# @DESCRIPTION:
106# This function simply returns the desired lib directory. With portage 39# This function simply returns the desired lib directory. With portage
107# 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
108# 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
109# 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
110# where lib is named directly with $(get_libdir) if possible. 43# where lib is named directly with $(get_libdir) if possible.
111#
112# Travis Tilley <lv@gentoo.org> (24 Aug 2004)
113# 44#
114# Jeremy Huddleston <eradicator@gentoo.org> (23 Dec 2004): 45# Jeremy Huddleston <eradicator@gentoo.org> (23 Dec 2004):
115# 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,
116# 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
117# 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
124 else 55 else
125 get_abi_LIBDIR 56 get_abi_LIBDIR
126 fi 57 fi
127} 58}
128 59
60# @FUNCTION: get_multilibdir
61# @RETURN: Returns the multilibdir
129get_multilibdir() { 62get_multilibdir() {
130 if has_multilib_profile; then 63 if has_multilib_profile; then
131 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"
132 exit 1 65 exit 1
133 fi 66 fi
134 echo ${CONF_MULTILIBDIR:=lib32} 67 echo ${CONF_MULTILIBDIR:=lib32}
135} 68}
136 69
70# @FUNCTION: get_libdir_override
71# @DESCRIPTION:
137# 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
138# 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,
139# 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
140# 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
141# portage version sanity checking. 76# portage version sanity checking.
142# get_libdir_override expects one argument, the result get_libdir should 77# get_libdir_override expects one argument, the result get_libdir should
143# return: 78# return:
144# 79#
145# get_libdir_override lib64 80# get_libdir_override lib64
146#
147# Travis Tilley <lv@gentoo.org> (31 Aug 2004)
148get_libdir_override() { 81get_libdir_override() {
149 if has_multilib_profile; then 82 if has_multilib_profile; then
150 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"
151 exit 1 84 exit 1
152 fi 85 fi
153 CONF_LIBDIR="$1" 86 CONF_LIBDIR="$1"
154 CONF_LIBDIR_OVERRIDE="$1" 87 CONF_LIBDIR_OVERRIDE="$1"
155 LIBDIR_default="$1" 88 LIBDIR_default="$1"
156} 89}
157 90
158# get_abi_var <VAR> [<ABI>] 91# @FUNCTION: get_abi_var
92# @USAGE: <VAR> [ABI]
159# returns the value of ${<VAR>_<ABI>} which should be set in make.defaults 93# @RETURN: returns the value of ${<VAR>_<ABI>} which should be set in make.defaults
160# 94# @DESCRIPTION:
161# ex: 95# ex:
162# CFLAGS=$(get_abi_var CFLAGS sparc32) # CFLAGS=-m32 96# CFLAGS=$(get_abi_var CFLAGS sparc32) # CFLAGS=-m32
163# 97#
164# Note that the prefered method is to set CC="$(tc-getCC) $(get_abi_CFLAGS)" 98# Note that the prefered method is to set CC="$(tc-getCC) $(get_abi_CFLAGS)"
165# This will hopefully be added to portage soon... 99# This will hopefully be added to portage soon...
166# 100#
167# If <ABI> is not specified, ${ABI} is used. 101# If <ABI> is not specified, ${ABI} is used.
168# 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.
169# 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 ${DEFAULT_ABI} are not defined, we return an empty string.
170#
171# Jeremy Huddleston <eradicator@gentoo.org>
172get_abi_var() { 104get_abi_var() {
173 local flag=${1} 105 local flag=$1
174 local abi 106 local abi
175 if [ $# -gt 1 ]; then 107 if [ $# -gt 1 ]; then
176 abi=${2} 108 abi=${2}
177 elif [ -n "${ABI}" ]; then 109 elif [ -n "${ABI}" ]; then
178 abi=${ABI} 110 abi=${ABI}
184 116
185 local var="${flag}_${abi}" 117 local var="${flag}_${abi}"
186 echo ${!var} 118 echo ${!var}
187} 119}
188 120
121# @FUNCTION: get_abi_CFLAGS
122# @USAGE: [ABI]
123# @DESCRIPTION:
124# Alias for 'get_abi_var CFLAGS'
189get_abi_CFLAGS() { get_abi_var CFLAGS "${@}"; } 125get_abi_CFLAGS() { get_abi_var CFLAGS "$@"; }
126
127# @FUNCTION: get_abi_ASFLAGS
128# @USAGE: [ABI]
129# @DESCRIPTION:
130# Alias for 'get_abi_var ASFLAGS'
131get_abi_ASFLAGS() { get_abi_var ASFLAGS "$@"; }
132
133# @FUNCTION: get_abi_LDFLAGS
134# @USAGE: [ABI]
135# @DESCRIPTION:
136# Alias for 'get_abi_var LDFLAGS'
190get_abi_LDFLAGS() { get_abi_var LDFLAGS "${@}"; } 137get_abi_LDFLAGS() { get_abi_var LDFLAGS "$@"; }
138
139# @FUNCTION: get_abi_CHOST
140# @USAGE: [ABI]
141# @DESCRIPTION:
142# Alias for 'get_abi_var CHOST'
191get_abi_CHOST() { get_abi_var CHOST "${@}"; } 143get_abi_CHOST() { get_abi_var CHOST "$@"; }
144
145# @FUNCTION: get_abi_CTARGET
146# @USAGE: [ABI]
147# @DESCRIPTION:
148# Alias for 'get_abi_var CTARGET'
192get_abi_CDEFINE() { get_abi_var CDEFINE "${@}"; } 149get_abi_CTARGET() { get_abi_var CTARGET "$@"; }
150
151# @FUNCTION: get_abi_FAKE_TARGETS
152# @USAGE: [ABI]
153# @DESCRIPTION:
154# Alias for 'get_abi_var FAKE_TARGETS'
155get_abi_FAKE_TARGETS() { get_abi_var FAKE_TARGETS "$@"; }
156
157# @FUNCTION: get_abi_LIBDIR
158# @USAGE: [ABI]
159# @DESCRIPTION:
160# Alias for 'get_abi_var LIBDIR'
193get_abi_LIBDIR() { get_abi_var LIBDIR "${@}"; } 161get_abi_LIBDIR() { get_abi_var LIBDIR "$@"; }
194 162
163# @FUNCTION: get_install_abis
164# @DESCRIPTION:
195# Return a list of the ABIs we want to install for with 165# Return a list of the ABIs we want to install for with
196# the last one in the list being the default. 166# the last one in the list being the default.
197get_install_abis() { 167get_install_abis() {
198 local order="" 168 local order=""
199 169
200 if [ -z "${MULTILIB_ABIS}" ]; then 170 if [[ -z ${MULTILIB_ABIS} ]] ; then
201 echo "default" 171 echo "default"
202 return 0 172 return 0
203 fi 173 fi
204 174
205 if hasq multilib-pkg-force ${RESTRICT} || 175 if [[ ${EMULTILIB_PKG} == "true" ]] ; then
206 { hasq multilib-pkg ${FEATURES} && hasq multilib-pkg ${RESTRICT}; }; then
207 for x in ${MULTILIB_ABIS}; do 176 for x in ${MULTILIB_ABIS} ; do
208 if [ "${x}" != "${DEFAULT_ABI}" ]; then 177 if [[ ${x} != "${DEFAULT_ABI}" ]] ; then
209 hasq ${x} ${ABI_DENY} || ordera="${ordera} ${x}" 178 has ${x} ${ABI_DENY} || order="${order} ${x}"
210 fi 179 fi
211 done 180 done
212 hasq ${DEFAULT_ABI} ${ABI_DENY} || order="${ordera} ${DEFAULT_ABI}" 181 has ${DEFAULT_ABI} ${ABI_DENY} || order="${order} ${DEFAULT_ABI}"
213 182
214 if [ -n "${ABI_ALLOW}" ]; then 183 if [[ -n ${ABI_ALLOW} ]] ; then
215 local ordera="" 184 local ordera=""
216 for x in ${order}; do 185 for x in ${order} ; do
217 if hasq ${x} ${ABI_ALLOW}; then 186 if has ${x} ${ABI_ALLOW} ; then
218 ordera="${ordera} ${x}" 187 ordera="${ordera} ${x}"
219 fi 188 fi
220 done 189 done
221 order="${ordera}" 190 order=${ordera}
222 fi 191 fi
223 else 192 else
224 order="${DEFAULT_ABI}" 193 order=${DEFAULT_ABI}
225 fi 194 fi
226 195
227 if [ -z "${order}" ]; then 196 if [[ -z ${order} ]] ; then
228 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."
229 fi 198 fi
230 199
231 echo ${order} 200 echo ${order}
232 return 0 201 return 0
233} 202}
234 203
204# @FUNCTION: get_all_abis
205# @DESCRIPTION:
235# Return a list of the ABIs supported by this profile. 206# Return a list of the ABIs supported by this profile.
236# the last one in the list being the default. 207# the last one in the list being the default.
237get_all_abis() { 208get_all_abis() {
238 local order="" 209 local order=""
239 210
240 if [ -z "${MULTILIB_ABIS}" ]; then 211 if [[ -z ${MULTILIB_ABIS} ]] ; then
241 echo "default" 212 echo "default"
242 return 0 213 return 0
243 fi 214 fi
244 215
245 for x in ${MULTILIB_ABIS}; do 216 for x in ${MULTILIB_ABIS}; do
246 if [ "${x}" != "${DEFAULT_ABI}" ]; then 217 if [[ ${x} != ${DEFAULT_ABI} ]] ; then
247 order="${order:+${order }}${x}" 218 order="${order:+${order} }${x}"
248 fi 219 fi
249 done 220 done
250 order="${order:+${order} }${DEFAULT_ABI}" 221 order="${order:+${order} }${DEFAULT_ABI}"
251 222
252 echo ${order} 223 echo ${order}
253 return 0 224 return 0
254} 225}
255 226
256# get_all_libdirs() 227# @FUNCTION: get_all_libdirs
228# @DESCRIPTION:
257# 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
258# 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".
259get_all_libdirs() { 232get_all_libdirs() {
260 local libdirs="lib" 233 local libdirs
261 local abi 234 local abi
262 local dir 235 local dir
263 236
264 if has_multilib_profile; then
265 for abi in ${MULTILIB_ABIS}; do 237 for abi in ${MULTILIB_ABIS}; do
266 [ "$(get_abi_LIBDIR ${abi})" != "lib" ] && libdirs="${libdirs} $(get_abi_LIBDIR ${abi})" 238 libdirs+=" $(get_abi_LIBDIR ${abi})"
267 done 239 done
268 elif [ -n "${CONF_LIBDIR}" ]; then 240 [[ " ${libdirs} " != *" lib "* ]] && libdirs+=" lib"
269 for dir in ${CONF_LIBDIR} ${CONF_MULTILIBDIR:-lib32}; do
270 [ "${dir}" != "lib" ] && libdirs="${libdirs} ${dir}"
271 done
272 fi
273 241
274 echo "${libdirs}" 242 echo "${libdirs}"
275} 243}
276 244
245# @FUNCTION: is_final_abi
246# @DESCRIPTION:
277# Return true if ${ABI} is the last ABI on our list (or if we're not 247# Return true if ${ABI} is the last ABI on our list (or if we're not
278# using the new multilib configuration. This can be used to determine 248# using the new multilib configuration. This can be used to determine
279# if we're in the last (or only) run through src_{unpack,compile,install} 249# if we're in the last (or only) run through src_{unpack,compile,install}
280is_final_abi() { 250is_final_abi() {
281 ! has_multilib_profile && return 0 251 has_multilib_profile || return 0
282 local ALL_ABIS=$(get_install_abis) 252 set -- $(get_install_abis)
283 local LAST_ABI=${ALL_ABIS/* /} 253 local LAST_ABI=$#
284 [ "${LAST_ABI}" = "${ABI}" ] 254 [[ ${!LAST_ABI} == ${ABI} ]]
285} 255}
286 256
257# @FUNCTION: number_abis
258# @DESCRIPTION:
287# echo the number of ABIs we will be installing for 259# echo the number of ABIs we will be installing for
288number_abis() { 260number_abis() {
289 get_install_abis | wc -w 261 set -- `get_install_abis`
262 echo $#
290} 263}
291 264
292# get_ml_incdir [<include dir> [<ABI>]] 265# @FUNCTION: get_libname
293# include dir defaults to /usr/include 266# @USAGE: [version]
294# ABI defaults to ${ABI} or ${DEFAULT_ABI} 267# @DESCRIPTION:
295get_ml_incdir() { 268# Returns libname with proper suffix {.so,.dylib,.dll,etc} and optionally
296 local dir=/usr/include 269# supplied version for the current platform identified by CHOST.
270#
271# Example:
272# get_libname ${PV}
273# Returns: .so.${PV} (ELF) || .${PV}.dylib (MACH) || ...
274get_libname() {
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
297 284
298 if [[ ${#} -gt 0 ]]; then 285 if [[ -z $* ]] ; then
299 incdir=${1} 286 echo ".${libname}"
300 shift
301 fi
302
303 if [[ -z "${MULTILIB_ABIS}" ]]; then
304 echo ${incdir}
305 return 0
306 fi
307
308 local abi=${ABI:-${DEFAULT_ABI}}
309 if [[ ${#} -gt 0 ]]; then
310 abi=${1}
311 shift
312 fi
313
314 if [[ -d "${dir}/gentoo-multilib/${abi}" ]]; then
315 echo ${dir}/gentoo-multilib/${abi}
316 else 287 else
317 echo ${dir} 288 for ver in "$@" ; do
289 case ${CHOST} in
290 *-darwin*) echo ".${ver}.${libname}";;
291 *-mint*) echo ".${libname}";;
292 *) echo ".${libname}.${ver}";;
293 esac
294 done
318 fi 295 fi
319} 296}
320 297
321# prep_ml_includes: 298# @FUNCTION: get_modname
322# 299# @USAGE:
323# Some includes (include/asm, glibc, etc) are ABI dependent. In this case, 300# @DESCRIPTION:
324# We can install them in different locations for each ABI and create a common 301# Returns modulename with proper suffix {.so,.bundle,etc} for the current
325# header which includes the right one based on CDEFINE_${ABI}. If your 302# platform identified by CHOST.
326# package installs ABI-specific headers, just add 'prep_ml_includes' to the
327# end of your src_install(). It takes a list of directories that include
328# files are installed in (default is /usr/include if none are passed).
329# 303#
330# Example: 304# Example:
331# src_install() { 305# libfoo$(get_modname)
332# ... 306# Returns: libfoo.so (ELF) || libfoo.bundle (MACH) || ...
333# prep_ml_includes /usr/qt/3/include 307get_modname() {
334# } 308 local modname
309 local ver=$1
310 case ${CHOST} in
311 *-darwin*) modname="bundle";;
312 *) modname="so";;
313 esac
335 314
336prep_ml_includes() { 315 echo ".${modname}"
337 if [ $(number_abis) -gt 1 ]; then 316}
338 local dir
339 local dirs
340 local base
341 317
342 if [ ${#} -eq 0 ]; then 318# This is for the toolchain to setup profile variables when pulling in
343 dirs="/usr/include" 319# a crosscompiler (and thus they aren't set in the profile)
320multilib_env() {
321 local CTARGET=${1:-${CTARGET}}
322
323 case ${CTARGET} in
324 x86_64*)
325 export CFLAGS_x86=${CFLAGS_x86--m32}
326 export CHOST_x86=${CTARGET/x86_64/i686}
327 export CTARGET_x86=${CHOST_x86}
328 if [[ ${SYMLINK_LIB} == "yes" ]] ; then
329 export LIBDIR_x86="lib32"
344 else 330 else
345 dirs="${@}" 331 export LIBDIR_x86="lib"
346 fi 332 fi
347 333
348 for dir in ${dirs}; do 334 export CFLAGS_amd64=${CFLAGS_amd64--m64}
349 base=${T}/gentoo-multilib/${dir}/gentoo-multilib 335 export CHOST_amd64=${CTARGET}
350 mkdir -p ${base} 336 export CTARGET_amd64=${CHOST_amd64}
351 [ -d ${base}/${ABI} ] && rm -rf ${base}/${ABI} 337 export LIBDIR_amd64="lib64"
352 mv ${D}/${dir} ${base}/${ABI} 338
339 export CFLAGS_x32=${CFLAGS_x32--mx32}
340 export CHOST_x32=${CTARGET}
341 export CTARGET_x32=${CHOST_x32}
342 export LIBDIR_x32="libx32"
343
344 : ${MULTILIB_ABIS=amd64 x86}
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"
352
353 export CFLAGS_n32=${CFLAGS_n32--mabi=n32}
354 export CHOST_n32=${CTARGET}
355 export CTARGET_n32=${CHOST_n32}
356 export LIBDIR_n32="lib32"
357
358 export CFLAGS_n64=${CFLAGS_n64--mabi=64}
359 export CHOST_n64=${CTARGET}
360 export CTARGET_n64=${CHOST_n64}
361 export LIBDIR_n64="lib64"
362
363 : ${MULTILIB_ABIS=n64 n32 o32}
364 : ${DEFAULT_ABI=n32}
365 ;;
366 powerpc64*)
367 export CFLAGS_ppc=${CFLAGS_ppc--m32}
368 export CHOST_ppc=${CTARGET/powerpc64/powerpc}
369 export CTARGET_ppc=${CHOST_ppc}
370 export LIBDIR_ppc="lib"
371
372 export CFLAGS_ppc64=${CFLAGS_ppc64--m64}
373 export CHOST_ppc64=${CTARGET}
374 export CTARGET_ppc64=${CHOST_ppc64}
375 export LIBDIR_ppc64="lib64"
376
377 : ${MULTILIB_ABIS=ppc64 ppc}
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"
385
386 export CFLAGS_s390x=${CFLAGS_s390x--m64}
387 export CHOST_s390x=${CTARGET}
388 export CTARGET_s390x=${CHOST_s390x}
389 export LIBDIR_s390x="lib64"
390
391 : ${MULTILIB_ABIS=s390x s390}
392 : ${DEFAULT_ABI=s390x}
393 ;;
394 sparc*)
395 export CFLAGS_sparc32=${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)
421multilib_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 ${vv}
353 done 432 done
354 433 unset __DEFAULT_ABI_SAVED
355 if is_final_abi; then
356 base=${T}/gentoo-multilib
357 pushd ${base}
358 find . | tar -c -T - -f - | tar -x --no-same-owner -f - -C ${D}
359 popd
360
361 for dir in ${dirs}; do
362 local args=${dir}
363 local abi
364 for abi in $(get_install_abis); do
365 args="${args} $(get_abi_CDEFINE ${abi}):${dir}/gentoo-multilib/${abi}"
366 done
367 create_ml_includes ${args}
368 done
369 fi 434 fi
370 fi
371}
372 435
373# If you need more control than prep_ml_includes can offer (like linux-headers 436 # We want to avoid the behind-the-back magic of gcc-config as it
374# for the asm-* dirs, then use create_ml_includes. The firs argument is the 437 # screws up ccache and distcc. See #196243 for more info.
375# common dir. The remaining args are of the form <symbol>:<dir> where 438 if [[ ${ABI} != ${DEFAULT_ABI} ]] ; then
376# <symbol> is what is put in the #ifdef for choosing that dir. 439 # Back that multilib-ass up so we can restore it later
377# 440 for v in CHOST CBUILD AS CC CXX LD ; do
378# Ideas for this code came from debian's sparc-linux headers package. 441 export __abi_saved_${v}="${!v}"
379#
380# Example:
381# create_ml_includes /usr/include/asm __sparc__:/usr/include/asm-sparc __sparc64__:/usr/include/asm-sparc64
382# create_ml_includes /usr/include/asm __i386__:/usr/include/asm-i386 __x86_64__:/usr/include/asm-x86_64
383create_ml_includes() {
384 local dest="${1}"
385 shift
386 local mlinfo="${@}"
387 local basedirs=$(create_ml_includes-listdirs ${mlinfo})
388
389 create_ml_includes-makedestdirs ${dest} ${basedirs}
390
391 local file
392 for file in $(create_ml_includes-allfiles ${basedirs}); do
393 local name="$(echo $file | tr a-z A-Z | sed 's:[^A-Z]:_:g')"
394 {
395 echo "/* Common header file autogenerated by create_ml_includes in multilib.eclass */"
396
397 local dir
398 for dir in ${basedirs}; do
399 if [ -f "${D}/${dir}/${file}" ]; then
400 local sym=$(create_ml_includes-sym_for_dir ${dir} ${mlinfo})
401 if [[ ${sym::1} == "!" ]]; then
402 echo "#ifndef ${sym:1}"
403 else
404 echo "#ifdef ${sym}"
405 fi
406 echo "#include \"$(create_ml_includes-relative_between ${dest}/$(dirname ${file}) ${dir}/${file})\""
407 echo "#endif /* ${sym} */"
408 echo ""
409 fi
410 done
411
412 #echo "#endif /* __CREATE_ML_INCLUDES_STUB_${name}__ */"
413 } > ${D}/${dest}/${file}
414 done
415}
416
417# Helper function for create_ml_includes
418create_ml_includes-relative_between() {
419 local src="$(create_ml_includes-tidy_path ${1})"
420 local dst="$(create_ml_includes-tidy_path ${2})"
421
422 src=(${src//\// })
423 dst=(${dst//\// })
424
425 local i
426 for ((i=0; i<${#src[*]}; i++)); do
427 [ "${dst[i]}" != "${src[i]}" ] && break
428 done
429
430 local common=$i
431
432 for ((i=${#src[*]}; i>common; i--)); do
433 echo -n ../
434 done
435
436 for ((i=common; i<${#dst[*]}-1; i++)); do
437 echo -n ${dst[i]}/
438 done
439
440 echo -n ${dst[i]}
441}
442
443# Helper function for create_ml_includes
444create_ml_includes-tidy_path() {
445 local removed="${1}"
446
447 if [ -n "${removed}" ]; then
448 # Remove multiple slashes
449 while [ "${removed}" != "${removed/\/\//\/}" ]; do
450 removed=${removed/\/\//\/}
451 done 442 done
443 export __DEFAULT_ABI_SAVED="true"
452 444
453 # Remove . directories 445 # Set the CHOST native first so that we pick up the native
454 while [ "${removed}" != "${removed//\/.\//\/}" ]; do 446 # toolchain and not a cross-compiler by accident #202811.
455 removed=${removed//\/.\//\/} 447 export CHOST=$(get_abi_CHOST ${DEFAULT_ABI})
456 done 448 export AS="$(tc-getAS) $(get_abi_ASFLAGS)"
457 [ "${removed##*/}" = "." ] && removed=${removed%/*} 449 export CC="$(tc-getCC) $(get_abi_CFLAGS)"
458 450 export CXX="$(tc-getCXX) $(get_abi_CFLAGS)"
459 # Removed .. directories 451 export LD="$(tc-getLD) $(get_abi_LDFLAGS)"
460 while [ "${removed}" != "${removed//\/..\/}" ]; do 452 export CHOST=$(get_abi_CHOST $1)
461 local p1="${removed%%\/..\/*}" 453 export CBUILD=$(get_abi_CHOST $1)
462 local p2="${removed#*\/..\/}"
463
464 removed="${p1%\/*}/${p2}"
465 done
466
467 # Remove trailing ..
468 [ "${removed##*/}" = ".." ] && removed=${removed%/*/*}
469
470 # Remove trailing /
471 [ "${removed##*/}" = "" ] && removed=${removed%/*}
472
473 echo ${removed}
474 fi
475}
476
477# Helper function for create_ml_includes
478create_ml_includes-listdirs() {
479 local dirs
480 local data
481 for data in ${@}; do
482 dirs="${dirs} ${data/*:/}"
483 done
484 echo ${dirs:1}
485}
486
487# Helper function for create_ml_includes
488create_ml_includes-makedestdirs() {
489 local dest=${1}
490 shift
491 local basedirs=${@}
492
493 dodir ${dest}
494
495 local basedir
496 for basedir in ${basedirs}; do
497 local dir
498 for dir in $(find ${D}/${basedir} -type d); do
499 dodir ${dest}/${dir/${D}\/${basedir}/}
500 done
501 done
502}
503
504# Helper function for create_ml_includes
505create_ml_includes-allfiles() {
506 local basedirs=${@}
507
508 local basedir
509 for basedir in ${basedirs}; do
510 local file
511 for file in $(find ${D}/${basedir} -type f); do
512 echo ${file/${D}\/${basedir}\//}
513 done
514 done | sort | uniq
515}
516
517# Helper function for create_ml_includes
518create_ml_includes-sym_for_dir() {
519 local dir="${1}"
520 shift
521 local data
522 for data in ${@}; do
523 if [ "${dir}" = "${data/*:/}" ]; then
524 echo ${data/:*/}
525 return 0
526 fi 454 fi
527 done
528 echo "Shouldn't be here -- create_ml_includes-sym_for_dir ${1} ${@}"
529 # exit because we'll likely be called from a subshell
530 exit 1
531} 455}

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