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Revision 1.60 Revision 1.102
1# Copyright 1999-2007 Gentoo Foundation 1# Copyright 1999-2013 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 1.60 2007/03/27 01:46:50 vapier Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/multilib.eclass,v 1.102 2013/01/21 19:22:25 mgorny Exp $
4# 4
5# Maintainer: amd64@gentoo.org / toolchain@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_RECUR_MULTILIB="yes" 13if [[ ${___ECLASS_ONCE_MULTILIB} != "recur -_+^+_- spank" ]] ; then
11[[ -z ${___ECLASS_RECUR_TOOLCHAIN_FUNCS} ]] && inherit toolchain-funcs 14___ECLASS_ONCE_MULTILIB="recur -_+^+_- spank"
12 15
13DESCRIPTION="Based on the ${ECLASS} eclass" 16inherit toolchain-funcs
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# get_libname [version]
90# returns libname with proper suffix {.so,.dylib} and optionally supplied version
91# for ELF/MACH-O shared objects
92#
93# Example:
94# get_libname libfoo ${PV}
95# Returns: libfoo.so.${PV} (ELF) || libfoo.${PV}.dylib (MACH)
96
97### END DOCUMENTATION ###
98 17
99# Defaults: 18# Defaults:
100export MULTILIB_ABIS=${MULTILIB_ABIS:-"default"} 19export MULTILIB_ABIS=${MULTILIB_ABIS:-"default"}
101export DEFAULT_ABI=${DEFAULT_ABI:-"default"} 20export DEFAULT_ABI=${DEFAULT_ABI:-"default"}
102export CFLAGS_default 21export CFLAGS_default
103export LDFLAGS_default 22export LDFLAGS_default
104export CHOST_default=${CHOST_default:-${CHOST}} 23export CHOST_default=${CHOST_default:-${CHOST}}
105export CTARGET_default=${CTARGET_default:-${CTARGET:-${CHOST_default}}} 24export CTARGET_default=${CTARGET_default:-${CTARGET:-${CHOST_default}}}
106export LIBDIR_default=${CONF_LIBDIR:-"lib"} 25export LIBDIR_default=${CONF_LIBDIR:-"lib"}
107export CDEFINE_default="__unix__"
108export KERNEL_ABI=${KERNEL_ABI:-${DEFAULT_ABI}} 26export KERNEL_ABI=${KERNEL_ABI:-${DEFAULT_ABI}}
109 27
110# has_multilib_profile() 28# @FUNCTION: has_multilib_profile
29# @DESCRIPTION:
30# Return true if the current profile is a multilib profile and lists more than
31# one abi in ${MULTILIB_ABIS}. When has_multilib_profile returns true, that
32# profile should enable the 'multilib' use flag. This is so you can DEPEND on
33# a package only for multilib or not multilib.
111has_multilib_profile() { 34has_multilib_profile() {
112 [ -n "${MULTILIB_ABIS}" -a "${MULTILIB_ABIS}" != "${MULTILIB_ABIS/ /}" ] 35 [ -n "${MULTILIB_ABIS}" -a "${MULTILIB_ABIS}" != "${MULTILIB_ABIS/ /}" ]
113} 36}
114 37
38# @FUNCTION: get_libdir
39# @RETURN: the libdir for the selected ABI
40# @DESCRIPTION:
115# This function simply returns the desired lib directory. With portage 41# This function simply returns the desired lib directory. With portage
116# 2.0.51, we now have support for installing libraries to lib32/lib64 42# 2.0.51, we now have support for installing libraries to lib32/lib64
117# to accomidate the needs of multilib systems. It's no longer a good idea 43# to accomidate the needs of multilib systems. It's no longer a good idea
118# to assume all libraries will end up in lib. Replace any (sane) instances 44# to assume all libraries will end up in lib. Replace any (sane) instances
119# where lib is named directly with $(get_libdir) if possible. 45# where lib is named directly with $(get_libdir) if possible.
120#
121# Travis Tilley <lv@gentoo.org> (24 Aug 2004)
122# 46#
123# Jeremy Huddleston <eradicator@gentoo.org> (23 Dec 2004): 47# Jeremy Huddleston <eradicator@gentoo.org> (23 Dec 2004):
124# Added support for ${ABI} and ${DEFAULT_ABI}. If they're both not set, 48# Added support for ${ABI} and ${DEFAULT_ABI}. If they're both not set,
125# fall back on old behavior. Any profile that has these set should also 49# fall back on old behavior. Any profile that has these set should also
126# depend on a newer version of portage (not yet released) which uses these 50# depend on a newer version of portage (not yet released) which uses these
133 else 57 else
134 get_abi_LIBDIR 58 get_abi_LIBDIR
135 fi 59 fi
136} 60}
137 61
138get_multilibdir() { 62# @FUNCTION: get_abi_var
139 if has_multilib_profile; then 63# @USAGE: <VAR> [ABI]
140 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"
141 exit 1
142 fi
143 echo ${CONF_MULTILIBDIR:=lib32}
144}
145
146# Sometimes you need to override the value returned by get_libdir. A good
147# example of this is xorg-x11, where lib32 isnt a supported configuration,
148# and where lib64 -must- be used on amd64 (for applications that need lib
149# to be 32bit, such as adobe acrobat). Note that this override also bypasses
150# portage version sanity checking.
151# get_libdir_override expects one argument, the result get_libdir should
152# return:
153#
154# get_libdir_override lib64
155#
156# Travis Tilley <lv@gentoo.org> (31 Aug 2004)
157get_libdir_override() {
158 if has_multilib_profile; then
159 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"
160 exit 1
161 fi
162 CONF_LIBDIR="$1"
163 CONF_LIBDIR_OVERRIDE="$1"
164 LIBDIR_default="$1"
165}
166
167# get_abi_var <VAR> [<ABI>]
168# returns the value of ${<VAR>_<ABI>} which should be set in make.defaults 64# @RETURN: returns the value of ${<VAR>_<ABI>} which should be set in make.defaults
169# 65# @INTERNAL
66# @DESCRIPTION:
170# ex: 67# ex:
171# CFLAGS=$(get_abi_var CFLAGS sparc32) # CFLAGS=-m32 68# CFLAGS=$(get_abi_var CFLAGS sparc32) # CFLAGS=-m32
172# 69#
173# Note that the prefered method is to set CC="$(tc-getCC) $(get_abi_CFLAGS)" 70# Note that the prefered method is to set CC="$(tc-getCC) $(get_abi_CFLAGS)"
174# This will hopefully be added to portage soon... 71# This will hopefully be added to portage soon...
175# 72#
176# If <ABI> is not specified, ${ABI} is used. 73# If <ABI> is not specified, ${ABI} is used.
177# If <ABI> is not specified and ${ABI} is not defined, ${DEFAULT_ABI} is used. 74# If <ABI> is not specified and ${ABI} is not defined, ${DEFAULT_ABI} is used.
178# If <ABI> is not specified and ${ABI} and ${DEFAULT_ABI} are not defined, we return an empty string. 75# If <ABI> is not specified and ${ABI} and ${DEFAULT_ABI} are not defined, we return an empty string.
179#
180# Jeremy Huddleston <eradicator@gentoo.org>
181get_abi_var() { 76get_abi_var() {
182 local flag=$1 77 local flag=$1
183 local abi 78 local abi=${2:-${ABI:-${DEFAULT_ABI:-default}}}
184 if [ $# -gt 1 ]; then
185 abi=${2}
186 elif [ -n "${ABI}" ]; then
187 abi=${ABI}
188 elif [ -n "${DEFAULT_ABI}" ]; then
189 abi=${DEFAULT_ABI}
190 else
191 abi="default"
192 fi
193
194 local var="${flag}_${abi}" 79 local var="${flag}_${abi}"
195 echo ${!var} 80 echo ${!var}
196} 81}
197 82
83# @FUNCTION: get_abi_CFLAGS
84# @USAGE: [ABI]
85# @DESCRIPTION:
86# Alias for 'get_abi_var CFLAGS'
198get_abi_CFLAGS() { get_abi_var CFLAGS "$@"; } 87get_abi_CFLAGS() { get_abi_var CFLAGS "$@"; }
199get_abi_ASFLAGS() { get_abi_var ASFLAGS "$@"; } 88
89# @FUNCTION: get_abi_LDFLAGS
90# @USAGE: [ABI]
91# @DESCRIPTION:
92# Alias for 'get_abi_var LDFLAGS'
200get_abi_LDFLAGS() { get_abi_var LDFLAGS "$@"; } 93get_abi_LDFLAGS() { get_abi_var LDFLAGS "$@"; }
94
95# @FUNCTION: get_abi_CHOST
96# @USAGE: [ABI]
97# @DESCRIPTION:
98# Alias for 'get_abi_var CHOST'
201get_abi_CHOST() { get_abi_var CHOST "$@"; } 99get_abi_CHOST() { get_abi_var CHOST "$@"; }
100
101# @FUNCTION: get_abi_CTARGET
102# @USAGE: [ABI]
103# @DESCRIPTION:
104# Alias for 'get_abi_var CTARGET'
202get_abi_CTARGET() { get_abi_var CTARGET "$@"; } 105get_abi_CTARGET() { get_abi_var CTARGET "$@"; }
106
107# @FUNCTION: get_abi_FAKE_TARGETS
108# @USAGE: [ABI]
109# @DESCRIPTION:
110# Alias for 'get_abi_var FAKE_TARGETS'
203get_abi_FAKE_TARGETS() { get_abi_var FAKE_TARGETS "$@"; } 111get_abi_FAKE_TARGETS() { get_abi_var FAKE_TARGETS "$@"; }
204get_abi_CDEFINE() { get_abi_var CDEFINE "$@"; } 112
113# @FUNCTION: get_abi_LIBDIR
114# @USAGE: [ABI]
115# @DESCRIPTION:
116# Alias for 'get_abi_var LIBDIR'
205get_abi_LIBDIR() { get_abi_var LIBDIR "$@"; } 117get_abi_LIBDIR() { get_abi_var LIBDIR "$@"; }
206 118
119# @FUNCTION: get_install_abis
120# @DESCRIPTION:
207# Return a list of the ABIs we want to install for with 121# Return a list of the ABIs we want to install for with
208# the last one in the list being the default. 122# the last one in the list being the default.
209get_install_abis() { 123get_install_abis() {
210 local order="" 124 local x order=""
211 125
212 if [[ -z ${MULTILIB_ABIS} ]] ; then 126 if [[ -z ${MULTILIB_ABIS} ]] ; then
213 echo "default" 127 echo "default"
214 return 0 128 return 0
215 fi 129 fi
216 130
217 if hasq multilib-pkg-force ${RESTRICT} || 131 if [[ ${EMULTILIB_PKG} == "true" ]] ; then
218 { hasq multilib-pkg ${FEATURES} && hasq multilib-pkg ${RESTRICT}; }; then
219 for x in ${MULTILIB_ABIS} ; do 132 for x in ${MULTILIB_ABIS} ; do
220 if [[ ${x} != "${DEFAULT_ABI}" ]] ; then 133 if [[ ${x} != "${DEFAULT_ABI}" ]] ; then
221 hasq ${x} ${ABI_DENY} || ordera="${ordera} ${x}" 134 has ${x} ${ABI_DENY} || order="${order} ${x}"
222 fi 135 fi
223 done 136 done
224 hasq ${DEFAULT_ABI} ${ABI_DENY} || order="${ordera} ${DEFAULT_ABI}" 137 has ${DEFAULT_ABI} ${ABI_DENY} || order="${order} ${DEFAULT_ABI}"
225 138
226 if [[ -n ${ABI_ALLOW} ]] ; then 139 if [[ -n ${ABI_ALLOW} ]] ; then
227 local ordera="" 140 local ordera=""
228 for x in ${order} ; do 141 for x in ${order} ; do
229 if hasq ${x} ${ABI_ALLOW} ; then 142 if has ${x} ${ABI_ALLOW} ; then
230 ordera="${ordera} ${x}" 143 ordera="${ordera} ${x}"
231 fi 144 fi
232 done 145 done
233 order=${ordera} 146 order=${ordera}
234 fi 147 fi
242 155
243 echo ${order} 156 echo ${order}
244 return 0 157 return 0
245} 158}
246 159
160# @FUNCTION: get_all_abis
161# @DESCRIPTION:
247# Return a list of the ABIs supported by this profile. 162# Return a list of the ABIs supported by this profile.
248# the last one in the list being the default. 163# the last one in the list being the default.
249get_all_abis() { 164get_all_abis() {
250 local order="" 165 local x order="" mvar dvar
251 166
252 if [[ -z ${MULTILIB_ABIS} ]] ; then 167 mvar="MULTILIB_ABIS"
168 dvar="DEFAULT_ABI"
169 if [[ -n $1 ]] ; then
170 mvar="$1_${mvar}"
171 dvar="$1_${dvar}"
172 fi
173
174 if [[ -z ${!mvar} ]] ; then
253 echo "default" 175 echo "default"
254 return 0 176 return 0
255 fi 177 fi
256 178
257 for x in ${MULTILIB_ABIS}; do 179 for x in ${!mvar}; do
258 if [[ ${x} != ${DEFAULT_ABI} ]] ; then 180 if [[ ${x} != ${!dvar} ]] ; then
259 order="${order:+${order} }${x}" 181 order="${order:+${order} }${x}"
260 fi 182 fi
261 done 183 done
262 order="${order:+${order} }${DEFAULT_ABI}" 184 order="${order:+${order} }${!dvar}"
263 185
264 echo ${order} 186 echo ${order}
265 return 0 187 return 0
266} 188}
267 189
268# get_all_libdirs() 190# @FUNCTION: get_all_libdirs
191# @DESCRIPTION:
269# Returns a list of all the libdirs used by this profile. This includes 192# Returns a list of all the libdirs used by this profile. This includes
270# those that might not be touched by the current ebuild. 193# those that might not be touched by the current ebuild and always includes
194# "lib".
271get_all_libdirs() { 195get_all_libdirs() {
272 local libdirs="lib" 196 local libdirs abi
273 local abi
274 local dir
275 197
276 for abi in ${MULTILIB_ABIS}; do 198 for abi in ${MULTILIB_ABIS}; do
277 [ "$(get_abi_LIBDIR ${abi})" != "lib" ] && libdirs="${libdirs} $(get_abi_LIBDIR ${abi})" 199 libdirs+=" $(get_abi_LIBDIR ${abi})"
278 done 200 done
201 [[ " ${libdirs} " != *" lib "* ]] && libdirs+=" lib"
279 202
280 echo "${libdirs}" 203 echo "${libdirs}"
281} 204}
282 205
206# @FUNCTION: is_final_abi
207# @DESCRIPTION:
283# Return true if ${ABI} is the last ABI on our list (or if we're not 208# Return true if ${ABI} is the last ABI on our list (or if we're not
284# using the new multilib configuration. This can be used to determine 209# using the new multilib configuration. This can be used to determine
285# if we're in the last (or only) run through src_{unpack,compile,install} 210# if we're in the last (or only) run through src_{unpack,compile,install}
286is_final_abi() { 211is_final_abi() {
287 has_multilib_profile || return 0 212 has_multilib_profile || return 0
288 local ALL_ABIS=$(get_install_abis) 213 set -- $(get_install_abis)
289 local LAST_ABI=${ALL_ABIS/* /} 214 local LAST_ABI=$#
290 [[ ${LAST_ABI} == ${ABI} ]] 215 [[ ${!LAST_ABI} == ${ABI} ]]
291} 216}
292 217
218# @FUNCTION: number_abis
219# @DESCRIPTION:
293# echo the number of ABIs we will be installing for 220# echo the number of ABIs we will be installing for
294number_abis() { 221number_abis() {
295 get_install_abis | wc -w 222 set -- `get_install_abis`
223 echo $#
296} 224}
297 225
298# get_ml_incdir [<include dir> [<ABI>]] 226# @FUNCTION: get_libname
299# include dir defaults to /usr/include 227# @USAGE: [version]
300# ABI defaults to ${ABI} or ${DEFAULT_ABI} 228# @DESCRIPTION:
301get_ml_incdir() { 229# Returns libname with proper suffix {.so,.dylib,.dll,etc} and optionally
302 local dir=/usr/include 230# supplied version for the current platform identified by CHOST.
303
304 if [[ $# -gt 0 ]]; then
305 incdir=$1
306 shift
307 fi
308
309 if [[ -z "${MULTILIB_ABIS}" ]]; then
310 echo ${incdir}
311 return 0
312 fi
313
314 local abi=${ABI-${DEFAULT_ABI}}
315 if [[ $# -gt 0 ]]; then
316 abi=$1
317 shift
318 fi
319
320 if [[ -d "${dir}/gentoo-multilib/${abi}" ]]; then
321 echo ${dir}/gentoo-multilib/${abi}
322 else
323 echo ${dir}
324 fi
325}
326
327# prep_ml_includes:
328#
329# Some includes (include/asm, glibc, etc) are ABI dependent. In this case,
330# We can install them in different locations for each ABI and create a common
331# header which includes the right one based on CDEFINE_${ABI}. If your
332# package installs ABI-specific headers, just add 'prep_ml_includes' to the
333# end of your src_install(). It takes a list of directories that include
334# files are installed in (default is /usr/include if none are passed).
335# 231#
336# Example: 232# Example:
337# src_install() { 233# get_libname ${PV}
338# ... 234# Returns: .so.${PV} (ELF) || .${PV}.dylib (MACH) || ...
339# prep_ml_includes /usr/qt/3/include
340# }
341
342prep_ml_includes() {
343 if [[ $(number_abis) -gt 1 ]] ; then
344 local dir
345 local dirs
346 local base
347
348 if [[ $# -eq 0 ]] ; then
349 dirs=/usr/include
350 else
351 dirs="$@"
352 fi
353
354 for dir in ${dirs} ; do
355 base=${T}/gentoo-multilib/${dir}/gentoo-multilib
356 mkdir -p "${base}"
357 [[ -d ${base}/${ABI} ]] && rm -rf "${base}/${ABI}"
358 mv "${D}/${dir}" "${base}/${ABI}"
359 done
360
361 if is_final_abi; then
362 base=${T}/gentoo-multilib
363 pushd "${base}"
364 find . | tar -c -T - -f - | tar -x --no-same-owner -f - -C ${D}
365 popd
366
367 # This 'set' stuff is required by mips profiles to properly pass
368 # CDEFINE's (which have spaces) to sub-functions
369 set --
370 for dir in ${dirs} ; do
371 set -- "$@" "${dir}"
372 local abi
373 for abi in $(get_install_abis); do
374 set -- "$@" "$(get_abi_CDEFINE ${abi}):${dir}/gentoo-multilib/${abi}"
375 done
376 create_ml_includes "$@"
377 done
378 fi
379 fi
380}
381
382# If you need more control than prep_ml_includes can offer (like linux-headers
383# for the asm-* dirs, then use create_ml_includes. The firs argument is the
384# common dir. The remaining args are of the form <symbol>:<dir> where
385# <symbol> is what is put in the #ifdef for choosing that dir.
386#
387# Ideas for this code came from debian's sparc-linux headers package.
388#
389# Example:
390# create_ml_includes /usr/include/asm __sparc__:/usr/include/asm-sparc __sparc64__:/usr/include/asm-sparc64
391# create_ml_includes /usr/include/asm __i386__:/usr/include/asm-i386 __x86_64__:/usr/include/asm-x86_64
392#
393# Warning: Be careful with the ordering here. The default ABI has to be the
394# last, because it is always defined (by GCC)
395create_ml_includes() {
396 local dest=$1
397 shift
398 local basedirs=$(create_ml_includes-listdirs "$@")
399
400 create_ml_includes-makedestdirs ${dest} ${basedirs}
401
402 local file
403 for file in $(create_ml_includes-allfiles ${basedirs}) ; do
404 #local name=$(echo ${file} | tr '[:lower:]' '[:upper:]' | sed 's:[^[:upper:]]:_:g')
405 (
406 echo "/* Autogenerated by create_ml_includes() in multilib.eclass */"
407
408 local dir
409 for dir in ${basedirs}; do
410 if [[ -f ${D}/${dir}/${file} ]] ; then
411 echo ""
412 local sym=$(create_ml_includes-sym_for_dir ${dir} "$@")
413 if [[ ${sym/=} != "${sym}" ]] ; then
414 echo "#if ${sym}"
415 elif [[ ${sym::1} == "!" ]] ; then
416 echo "#ifndef ${sym:1}"
417 else
418 echo "#ifdef ${sym}"
419 fi
420 echo "# include <$(create_ml_includes-absolute ${dir}/${file})>"
421 echo "#endif /* ${sym} */"
422 fi
423 done
424
425 #echo "#endif /* __CREATE_ML_INCLUDES_STUB_${name}__ */"
426 ) > "${D}/${dest}/${file}"
427 done
428}
429
430# Helper function for create_ml_includes
431create_ml_includes-absolute() {
432 local dst="$(create_ml_includes-tidy_path $1)"
433
434 dst=(${dst//\// })
435
436 local i
437 for ((i=0; i<${#dst[*]}; i++)); do
438 [ "${dst[i]}" == "include" ] && break
439 done
440
441 local strip_upto=$i
442
443 for ((i=strip_upto+1; i<${#dst[*]}-1; i++)); do
444 echo -n ${dst[i]}/
445 done
446
447 echo -n ${dst[i]}
448}
449
450# Helper function for create_ml_includes
451create_ml_includes-tidy_path() {
452 local removed=$1
453
454 if [ -n "${removed}" ]; then
455 # Remove multiple slashes
456 while [ "${removed}" != "${removed/\/\//\/}" ]; do
457 removed=${removed/\/\//\/}
458 done
459
460 # Remove . directories
461 while [ "${removed}" != "${removed//\/.\//\/}" ]; do
462 removed=${removed//\/.\//\/}
463 done
464 [ "${removed##*/}" = "." ] && removed=${removed%/*}
465
466 # Removed .. directories
467 while [ "${removed}" != "${removed//\/..\/}" ]; do
468 local p1="${removed%%\/..\/*}"
469 local p2="${removed#*\/..\/}"
470
471 removed="${p1%\/*}/${p2}"
472 done
473
474 # Remove trailing ..
475 [ "${removed##*/}" = ".." ] && removed=${removed%/*/*}
476
477 # Remove trailing /
478 [ "${removed##*/}" = "" ] && removed=${removed%/*}
479
480 echo ${removed}
481 fi
482}
483
484# Helper function for create_ml_includes
485create_ml_includes-listdirs() {
486 local dirs
487 local data
488 for data in "$@"; do
489 dirs="${dirs} ${data/*:/}"
490 done
491 echo ${dirs:1}
492}
493
494# Helper function for create_ml_includes
495create_ml_includes-makedestdirs() {
496 local dest=$1
497 shift
498 local basedirs=$@
499
500 dodir ${dest}
501
502 local basedir
503 for basedir in ${basedirs}; do
504 local dir
505 for dir in $(find ${D}/${basedir} -type d); do
506 dodir ${dest}/${dir/${D}\/${basedir}/}
507 done
508 done
509}
510
511# Helper function for create_ml_includes
512create_ml_includes-allfiles() {
513 local basedir file
514 for basedir in "$@" ; do
515 for file in $(find "${D}"/${basedir} -type f); do
516 echo ${file/${D}\/${basedir}\//}
517 done
518 done | sort | uniq
519}
520
521# Helper function for create_ml_includes
522create_ml_includes-sym_for_dir() {
523 local dir=$1
524 shift
525 local data
526 for data in "$@"; do
527 if [[ ${data} == *:${dir} ]] ; then
528 echo ${data/:*/}
529 return 0
530 fi
531 done
532 echo "Shouldn't be here -- create_ml_includes-sym_for_dir $1 $@"
533 # exit because we'll likely be called from a subshell
534 exit 1
535}
536
537get_libname() { 235get_libname() {
538 local libname 236 local libname
539 local ver=$1 237 local ver=$1
540 case ${CHOST} in 238 case ${CHOST} in
239 *-cygwin|mingw*|*-mingw*) libname="dll";;
541 *-darwin*) libname="dylib";; 240 *-darwin*) libname="dylib";;
241 *-mint*) libname="irrelevant";;
242 hppa*-hpux*) libname="sl";;
542 *) libname="so";; 243 *) libname="so";;
543 esac 244 esac
544 245
545 if [[ -z $@ ]] ; then 246 if [[ -z $* ]] ; then
546 echo ".${libname}" 247 echo ".${libname}"
547 else 248 else
548 for ver in "$@" ; do 249 for ver in "$@" ; do
549 case ${CHOST} in 250 case ${CHOST} in
550 *-darwin*) echo ".${ver}.${libname}";; 251 *-darwin*) echo ".${ver}.${libname}";;
252 *-mint*) echo ".${libname}";;
551 *) echo ".${libname}.${ver}";; 253 *) echo ".${libname}.${ver}";;
552 esac 254 esac
553 done 255 done
554 fi 256 fi
257}
258
259# @FUNCTION: get_modname
260# @USAGE:
261# @DESCRIPTION:
262# Returns modulename with proper suffix {.so,.bundle,etc} for the current
263# platform identified by CHOST.
264#
265# Example:
266# libfoo$(get_modname)
267# Returns: libfoo.so (ELF) || libfoo.bundle (MACH) || ...
268get_modname() {
269 local modname
270 local ver=$1
271 case ${CHOST} in
272 *-darwin*) modname="bundle";;
273 *) modname="so";;
274 esac
275
276 echo ".${modname}"
555} 277}
556 278
557# This is for the toolchain to setup profile variables when pulling in 279# This is for the toolchain to setup profile variables when pulling in
558# a crosscompiler (and thus they aren't set in the profile) 280# a crosscompiler (and thus they aren't set in the profile)
559multilib_env() { 281multilib_env() {
561 283
562 case ${CTARGET} in 284 case ${CTARGET} in
563 x86_64*) 285 x86_64*)
564 export CFLAGS_x86=${CFLAGS_x86--m32} 286 export CFLAGS_x86=${CFLAGS_x86--m32}
565 export CHOST_x86=${CTARGET/x86_64/i686} 287 export CHOST_x86=${CTARGET/x86_64/i686}
288 CHOST_x86=${CHOST_x86/%-gnux32/-gnu}
566 export CTARGET_x86=${CHOST_x86} 289 export CTARGET_x86=${CHOST_x86}
567 export CDEFINE_x86="__i386__" 290 if [[ ${SYMLINK_LIB} == "yes" ]] ; then
291 export LIBDIR_x86="lib32"
292 else
568 export LIBDIR_x86="lib" 293 export LIBDIR_x86="lib"
294 fi
569 295
570 export CFLAGS_amd64=${CFLAGS_amd64--m64} 296 export CFLAGS_amd64=${CFLAGS_amd64--m64}
571 export CHOST_amd64=${CTARGET} 297 export CHOST_amd64=${CTARGET/%-gnux32/-gnu}
572 export CTARGET_amd64=${CHOST_amd64} 298 export CTARGET_amd64=${CHOST_amd64}
573 export CDEFINE_amd64="__x86_64__"
574 export LIBDIR_amd64="lib64" 299 export LIBDIR_amd64="lib64"
575 300
301 export CFLAGS_x32=${CFLAGS_x32--mx32}
302 export CHOST_x32=${CTARGET/%-gnu/-gnux32}
303 export CTARGET_x32=${CHOST_x32}
304 export LIBDIR_x32="libx32"
305
306 case ${CTARGET} in
307 *-gnux32)
308 : ${MULTILIB_ABIS=x32 amd64 x86}
309 : ${DEFAULT_ABI=x32}
310 ;;
311 *)
576 export MULTILIB_ABIS="amd64 x86" 312 : ${MULTILIB_ABIS=amd64 x86}
577 export DEFAULT_ABI="amd64" 313 : ${DEFAULT_ABI=amd64}
314 ;;
315 esac
578 ;; 316 ;;
579 mips64*) 317 mips64*)
580 export CFLAGS_o32=${CFLAGS_o32--mabi=32} 318 export CFLAGS_o32=${CFLAGS_o32--mabi=32}
581 export CHOST_o32=${CTARGET/mips64/mips} 319 export CHOST_o32=${CTARGET/mips64/mips}
582 export CTARGET_o32=${CHOST_o32} 320 export CTARGET_o32=${CHOST_o32}
583 export CDEFINE_o32="_MIPS_SIM == _ABIO32"
584 export LIBDIR_o32="lib" 321 export LIBDIR_o32="lib"
585 322
586 export CFLAGS_n32=${CFLAGS_n32--mabi=n32} 323 export CFLAGS_n32=${CFLAGS_n32--mabi=n32}
587 export CHOST_n32=${CTARGET} 324 export CHOST_n32=${CTARGET}
588 export CTARGET_n32=${CHOST_n32} 325 export CTARGET_n32=${CHOST_n32}
589 export CDEFINE_n32="_MIPS_SIM == _ABIN32"
590 export LIBDIR_n32="lib32" 326 export LIBDIR_n32="lib32"
591 327
592 export CFLAGS_n64=${CFLAGS_n64--mabi=64} 328 export CFLAGS_n64=${CFLAGS_n64--mabi=64}
593 export CHOST_n64=${CTARGET} 329 export CHOST_n64=${CTARGET}
594 export CTARGET_n64=${CHOST_n64} 330 export CTARGET_n64=${CHOST_n64}
595 export CDEFINE_n64="_MIPS_SIM == _ABI64"
596 export LIBDIR_n64="lib64" 331 export LIBDIR_n64="lib64"
597 332
598 export MULTILIB_ABIS="n64 n32 o32" 333 : ${MULTILIB_ABIS=n64 n32 o32}
599 export DEFAULT_ABI="n32" 334 : ${DEFAULT_ABI=n32}
600 ;; 335 ;;
601 powerpc64*) 336 powerpc64*)
602 export CFLAGS_ppc=${CFLAGS_ppc--m32} 337 export CFLAGS_ppc=${CFLAGS_ppc--m32}
603 export CHOST_ppc=${CTARGET/powerpc64/powerpc} 338 export CHOST_ppc=${CTARGET/powerpc64/powerpc}
604 export CTARGET_ppc=${CHOST_ppc} 339 export CTARGET_ppc=${CHOST_ppc}
605 export CDEFINE_ppc="!__powerpc64__"
606 export LIBDIR_ppc="lib" 340 export LIBDIR_ppc="lib"
607 341
608 export CFLAGS_ppc64=${CFLAGS_ppc64--m64} 342 export CFLAGS_ppc64=${CFLAGS_ppc64--m64}
609 export CHOST_ppc64=${CTARGET} 343 export CHOST_ppc64=${CTARGET}
610 export CTARGET_ppc64=${CHOST_ppc64} 344 export CTARGET_ppc64=${CHOST_ppc64}
611 export CDEFINE_ppc64="__powerpc64__"
612 export LIBDIR_ppc64="lib64" 345 export LIBDIR_ppc64="lib64"
613 346
614 export MULTILIB_ABIS="ppc64 ppc" 347 : ${MULTILIB_ABIS=ppc64 ppc}
615 export DEFAULT_ABI="ppc64" 348 : ${DEFAULT_ABI=ppc64}
616 ;; 349 ;;
617 s390x*) 350 s390x*)
618 export CFLAGS_s390=${CFLAGS_s390--m31} # the 31 is not a typo 351 export CFLAGS_s390=${CFLAGS_s390--m31} # the 31 is not a typo
619 export CHOST_s390=${CTARGET/s390x/s390} 352 export CHOST_s390=${CTARGET/s390x/s390}
620 export CTARGET_s390=${CHOST_s390} 353 export CTARGET_s390=${CHOST_s390}
621 export CDEFINE_s390="!__s390x__"
622 export LIBDIR_s390="lib" 354 export LIBDIR_s390="lib"
623 355
624 export CFLAGS_s390x=${CFLAGS_s390x--m64} 356 export CFLAGS_s390x=${CFLAGS_s390x--m64}
625 export CHOST_s390x=${CTARGET} 357 export CHOST_s390x=${CTARGET}
626 export CTARGET_s390x=${CHOST_s390x} 358 export CTARGET_s390x=${CHOST_s390x}
627 export CDEFINE_s390x="__s390x__"
628 export LIBDIR_s390x="lib64" 359 export LIBDIR_s390x="lib64"
629 360
630 export MULTILIB_ABIS="s390x s390" 361 : ${MULTILIB_ABIS=s390x s390}
631 export DEFAULT_ABI="s390x" 362 : ${DEFAULT_ABI=s390x}
632 ;; 363 ;;
633 sparc64*) 364 sparc64*)
634 export CFLAGS_sparc32=${CFLAGS_sparc32--m32} 365 export CFLAGS_sparc32=${CFLAGS_sparc32--m32}
635 export CHOST_sparc32=${CTARGET/sparc64/sparc} 366 export CHOST_sparc32=${CTARGET/sparc64/sparc}
636 export CTARGET_sparc32=${CHOST_sparc32} 367 export CTARGET_sparc32=${CHOST_sparc32}
637 export CDEFINE_sparc32="!__arch64__"
638 export LIBDIR_sparc32="lib" 368 export LIBDIR_sparc32="lib"
639 369
640 export CFLAGS_sparc64=${CFLAGS_sparc64--m64} 370 export CFLAGS_sparc64=${CFLAGS_sparc64--m64}
641 export CHOST_sparc64=${CTARGET} 371 export CHOST_sparc64=${CTARGET}
642 export CTARGET_sparc64=${CHOST_sparc64} 372 export CTARGET_sparc64=${CHOST_sparc64}
643 export CDEFINE_sparc64="__arch64__"
644 export LIBDIR_sparc64="lib64" 373 export LIBDIR_sparc64="lib64"
645 374
646 export MULTILIB_ABIS="sparc64 sparc32" 375 : ${MULTILIB_ABIS=sparc64 sparc32}
647 export DEFAULT_ABI="sparc64" 376 : ${DEFAULT_ABI=sparc64}
648 ;; 377 ;;
649 *) 378 *)
650 export MULTILIB_ABIS="default" 379 : ${MULTILIB_ABIS=default}
651 export DEFAULT_ABI="default" 380 : ${DEFAULT_ABI=default}
652 ;; 381 ;;
653 esac 382 esac
654}
655 383
384 export MULTILIB_ABIS DEFAULT_ABI
385}
386
387# @FUNCTION: multilib_toolchain_setup
388# @DESCRIPTION:
656# Hide multilib details here for packages which are forced to be compiled for a 389# Hide multilib details here for packages which are forced to be compiled for a
657# specific ABI when run on another ABI (like x86-specific packages on amd64) 390# specific ABI when run on another ABI (like x86-specific packages on amd64)
658multilib_toolchain_setup() { 391multilib_toolchain_setup() {
392 local v vv
393
659 export ABI=$1 394 export ABI=$1
660 395
661 if has_version app-admin/eselect-compiler ; then 396 # First restore any saved state we have laying around.
662 # Binutils doesn't have wrappers for ld and as (yet). Eventually it 397 if [[ ${__DEFAULT_ABI_SAVED} == "true" ]] ; then
663 # will, and all this can just be handled with CHOST. 398 for v in CHOST CBUILD AS CC CXX LD PKG_CONFIG_{LIBDIR,PATH} ; do
399 vv="__abi_saved_${v}"
400 export ${v}="${!vv}"
401 unset ${vv}
402 done
403 unset __DEFAULT_ABI_SAVED
404 fi
405
406 # We want to avoid the behind-the-back magic of gcc-config as it
407 # screws up ccache and distcc. See #196243 for more info.
408 if [[ ${ABI} != ${DEFAULT_ABI} ]] ; then
409 # Back that multilib-ass up so we can restore it later
410 for v in CHOST CBUILD AS CC CXX LD PKG_CONFIG_{LIBDIR,PATH} ; do
411 export __abi_saved_${v}="${!v}"
412 done
413 export __DEFAULT_ABI_SAVED="true"
414
415 # Set the CHOST native first so that we pick up the native
416 # toolchain and not a cross-compiler by accident #202811.
417 export CHOST=$(get_abi_CHOST ${DEFAULT_ABI})
418 export CC="$(tc-getCC) $(get_abi_CFLAGS)"
419 export CXX="$(tc-getCXX) $(get_abi_CFLAGS)"
664 export LD="ld $(get_abi_LDFLAGS $1)" 420 export LD="$(tc-getLD) $(get_abi_LDFLAGS)"
665 export AS="as $(get_abi_ASFLAGS $1)"
666
667 export CHOST=$(get_abi_CHOST $1) 421 export CHOST=$(get_abi_CHOST $1)
668 export CBUILD=$(get_abi_CHOST $1) 422 export CBUILD=$(get_abi_CHOST $1)
669 else 423 export PKG_CONFIG_LIBDIR=${EPREFIX}/usr/$(get_libdir)/pkgconfig
670 tc-export CC 424 export PKG_CONFIG_PATH=${EPREFIX}/usr/share/pkgconfig
425 fi
426}
427
671 fi 428fi
672}

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