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Revision 1.1 Revision 1.60
1# Copyright 1999-2004 Gentoo Foundation 1# Copyright 1999-2007 Gentoo Foundation
2# Distributed under the terms of the GNU General Public License v2 2# Distributed under the terms of the GNU General Public License v2
3# $Header: /var/cvsroot/gentoo-x86/eclass/multilib.eclass,v 1.1 2005/01/12 00:21:53 eradicator Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/multilib.eclass,v 1.60 2007/03/27 01:46:50 vapier Exp $
4# 4#
5# Author: Jeremy Huddleston <eradicator@gentoo.org> 5# Maintainer: amd64@gentoo.org / toolchain@gentoo.org
6# 6#
7# This eclass is for all functions pertaining to handling multilib. 7# This eclass is for all functions pertaining to handling multilib.
8# configurations. 8# configurations.
9 9
10ECLASS=multilib 10___ECLASS_RECUR_MULTILIB="yes"
11INHERITED="$INHERITED $ECLASS" 11[[ -z ${___ECLASS_RECUR_TOOLCHAIN_FUNCS} ]] && inherit toolchain-funcs
12 12
13DESCRIPTION="Based on the ${ECLASS} eclass" 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# 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.${PV}.dylib (MACH)
96
97### END DOCUMENTATION ###
98
99# Defaults:
100export MULTILIB_ABIS=${MULTILIB_ABIS:-"default"}
101export DEFAULT_ABI=${DEFAULT_ABI:-"default"}
102export CFLAGS_default
103export LDFLAGS_default
104export CHOST_default=${CHOST_default:-${CHOST}}
105export CTARGET_default=${CTARGET_default:-${CTARGET:-${CHOST_default}}}
106export LIBDIR_default=${CONF_LIBDIR:-"lib"}
107export CDEFINE_default="__unix__"
108export KERNEL_ABI=${KERNEL_ABI:-${DEFAULT_ABI}}
109
110# has_multilib_profile()
111has_multilib_profile() {
112 [ -n "${MULTILIB_ABIS}" -a "${MULTILIB_ABIS}" != "${MULTILIB_ABIS/ /}" ]
113}
14 114
15# This function simply returns the desired lib directory. With portage 115# This function simply returns the desired lib directory. With portage
16# 2.0.51, we now have support for installing libraries to lib32/lib64 116# 2.0.51, we now have support for installing libraries to lib32/lib64
17# to accomidate the needs of multilib systems. It's no longer a good idea 117# to accomidate the needs of multilib systems. It's no longer a good idea
18# to assume all libraries will end up in lib. Replace any (sane) instances 118# to assume all libraries will end up in lib. Replace any (sane) instances
24# Added support for ${ABI} and ${DEFAULT_ABI}. If they're both not set, 124# Added support for ${ABI} and ${DEFAULT_ABI}. If they're both not set,
25# fall back on old behavior. Any profile that has these set should also 125# fall back on old behavior. Any profile that has these set should also
26# depend on a newer version of portage (not yet released) which uses these 126# depend on a newer version of portage (not yet released) which uses these
27# over CONF_LIBDIR in econf, dolib, etc... 127# over CONF_LIBDIR in econf, dolib, etc...
28get_libdir() { 128get_libdir() {
29 LIBDIR_TEST=$(type econf) 129 local CONF_LIBDIR
30 if [ ! -z "${CONF_LIBDIR_OVERRIDE}" ] ; then 130 if [ -n "${CONF_LIBDIR_OVERRIDE}" ] ; then
31 # if there is an override, we want to use that... always. 131 # if there is an override, we want to use that... always.
32 CONF_LIBDIR="${CONF_LIBDIR_OVERRIDE}" 132 echo ${CONF_LIBDIR_OVERRIDE}
33 # We don't need to know the verison of portage. We only need to know 133 else
34 # if there is support for CONF_LIBDIR in econf and co. 134 get_abi_LIBDIR
35 # Danny van Dyk <kugelfang@gentoo.org> 2004/17/09
36 #elif portageq has_version / '<sys-apps/portage-2.0.51_pre20' ; then
37 # # and if there isnt an override, and we're using a version of
38 # # portage without CONF_LIBDIR support, force the use of lib. dolib
39 # # and friends from portage 2.0.50 wont be too happy otherwise.
40 # CONF_LIBDIR="lib"
41 #fi 135 fi
42 elif [ -n "$(get_abi_LIBDIR)" ]; then # Using eradicator's LIBDIR_<abi> approach...
43 CONF_LIBDIR="$(get_abi_LIBDIR)"
44 elif [ "${LIBDIR_TEST/CONF_LIBDIR}" == "${LIBDIR_TEST}" ]; then # we don't have CONF_LIBDIR support
45 # will be <portage-2.0.51_pre20
46 CONF_LIBDIR="lib"
47 fi
48 # and of course, default to lib if CONF_LIBDIR isnt set
49 echo ${CONF_LIBDIR:=lib}
50 unset LIBDIR_TEST
51} 136}
52 137
53get_multilibdir() { 138get_multilibdir() {
54 if [ -n "$(get_abi_LIBDIR)" ]; then 139 if has_multilib_profile; then
55 eerror "get_multilibdir called, but it shouldn't be needed with the new multilib approach. Please file a bug at http://bugs.gentoo.org and assign it to eradicator@gentoo.org" 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"
56 exit 1 141 exit 1
57 fi 142 fi
58 echo ${CONF_MULTILIBDIR:=lib32} 143 echo ${CONF_MULTILIBDIR:=lib32}
59} 144}
68# 153#
69# get_libdir_override lib64 154# get_libdir_override lib64
70# 155#
71# Travis Tilley <lv@gentoo.org> (31 Aug 2004) 156# Travis Tilley <lv@gentoo.org> (31 Aug 2004)
72get_libdir_override() { 157get_libdir_override() {
73 if [ -n "$(get_abi_LIBDIR)" ]; then 158 if has_multilib_profile; then
74 eerror "get_libdir_override called, but it shouldn't be needed with the new multilib approach. Please file a bug at http://bugs.gentoo.org and assign it to eradicator@gentoo.org" 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"
75 exit 1 160 exit 1
76 fi 161 fi
77 CONF_LIBDIR="$1" 162 CONF_LIBDIR="$1"
78 CONF_LIBDIR_OVERRIDE="$1" 163 CONF_LIBDIR_OVERRIDE="$1"
164 LIBDIR_default="$1"
79} 165}
80 166
81# get_abi_var <VAR> [<ABI>] 167# get_abi_var <VAR> [<ABI>]
82# returns the value of ${<VAR>_<ABI>} which should be set in make.defaults 168# returns the value of ${<VAR>_<ABI>} which should be set in make.defaults
83# 169#
91# If <ABI> is not specified and ${ABI} is not defined, ${DEFAULT_ABI} is used. 177# If <ABI> is not specified and ${ABI} is not defined, ${DEFAULT_ABI} is used.
92# If <ABI> is not specified and ${ABI} and ${DEFAULT_ABI} are not defined, we return an empty string. 178# If <ABI> is not specified and ${ABI} and ${DEFAULT_ABI} are not defined, we return an empty string.
93# 179#
94# Jeremy Huddleston <eradicator@gentoo.org> 180# Jeremy Huddleston <eradicator@gentoo.org>
95get_abi_var() { 181get_abi_var() {
96 local flag=${1} 182 local flag=$1
97 local abi 183 local abi
98 if [ $# -gt 1 ]; then 184 if [ $# -gt 1 ]; then
99 abi=${2} 185 abi=${2}
100 elif [ -n "${ABI}" ]; then 186 elif [ -n "${ABI}" ]; then
101 abi=${ABI} 187 abi=${ABI}
102 elif [ -n "${DEFAULT_ABI}" ]; then 188 elif [ -n "${DEFAULT_ABI}" ]; then
103 abi=${DEFAULT_ABI} 189 abi=${DEFAULT_ABI}
104 else 190 else
105 return 1 191 abi="default"
106 fi 192 fi
107 193
108 local var="${flag}_${abi}" 194 local var="${flag}_${abi}"
109 echo ${!var} 195 echo ${!var}
110} 196}
111 197
112get_abi_CFLAGS() { get_abi_var CFLAGS ${@}; } 198get_abi_CFLAGS() { get_abi_var CFLAGS "$@"; }
113get_abi_CXXFLAGS() { get_abi_var CXXFLAGS ${@}; }
114get_abi_ASFLAGS() { get_abi_var ASFLAGS ${@}; } 199get_abi_ASFLAGS() { get_abi_var ASFLAGS "$@"; }
200get_abi_LDFLAGS() { get_abi_var LDFLAGS "$@"; }
201get_abi_CHOST() { get_abi_var CHOST "$@"; }
202get_abi_CTARGET() { get_abi_var CTARGET "$@"; }
203get_abi_FAKE_TARGETS() { get_abi_var FAKE_TARGETS "$@"; }
204get_abi_CDEFINE() { get_abi_var CDEFINE "$@"; }
115get_abi_LIBDIR() { get_abi_var LIBDIR ${@}; } 205get_abi_LIBDIR() { get_abi_var LIBDIR "$@"; }
116 206
207# Return a list of the ABIs we want to install for with
208# the last one in the list being the default.
209get_install_abis() {
210 local order=""
211
212 if [[ -z ${MULTILIB_ABIS} ]] ; then
213 echo "default"
214 return 0
215 fi
216
217 if hasq multilib-pkg-force ${RESTRICT} ||
218 { hasq multilib-pkg ${FEATURES} && hasq multilib-pkg ${RESTRICT}; }; then
219 for x in ${MULTILIB_ABIS} ; do
220 if [[ ${x} != "${DEFAULT_ABI}" ]] ; then
221 hasq ${x} ${ABI_DENY} || ordera="${ordera} ${x}"
222 fi
223 done
224 hasq ${DEFAULT_ABI} ${ABI_DENY} || order="${ordera} ${DEFAULT_ABI}"
225
226 if [[ -n ${ABI_ALLOW} ]] ; then
227 local ordera=""
228 for x in ${order} ; do
229 if hasq ${x} ${ABI_ALLOW} ; then
230 ordera="${ordera} ${x}"
231 fi
232 done
233 order=${ordera}
234 fi
235 else
236 order=${DEFAULT_ABI}
237 fi
238
239 if [[ -z ${order} ]] ; then
240 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."
241 fi
242
243 echo ${order}
244 return 0
245}
246
247# Return a list of the ABIs supported by this profile.
248# the last one in the list being the default.
249get_all_abis() {
250 local order=""
251
252 if [[ -z ${MULTILIB_ABIS} ]] ; then
253 echo "default"
254 return 0
255 fi
256
257 for x in ${MULTILIB_ABIS}; do
258 if [[ ${x} != ${DEFAULT_ABI} ]] ; then
259 order="${order:+${order} }${x}"
260 fi
261 done
262 order="${order:+${order} }${DEFAULT_ABI}"
263
264 echo ${order}
265 return 0
266}
267
117# get_all_libdir() 268# get_all_libdirs()
118# Returns a list of all the libdirs used by this profile 269# Returns a list of all the libdirs used by this profile. This includes
270# those that might not be touched by the current ebuild.
119get_all_libdirs() { 271get_all_libdirs() {
272 local libdirs="lib"
273 local abi
120 local libdirs 274 local dir
121 if [ -n "${MULTILIB_ABIS}" ]; then 275
122 for abi in ${MULTILIB_ABIS}; do 276 for abi in ${MULTILIB_ABIS}; do
123 libdirs="${libdirs} $(get_abi_LIBDIR ${abi})" 277 [ "$(get_abi_LIBDIR ${abi})" != "lib" ] && libdirs="${libdirs} $(get_abi_LIBDIR ${abi})"
124 done 278 done
125 libdirs="${libdirs:1}" 279
126 elif [ -n "${CONF_LIBDIR}" ]; then 280 echo "${libdirs}"
127 libdirs="${CONF_LIBDIR} ${CONF_MULTILIBDIR:=lib32}" 281}
282
283# Return true if ${ABI} is the last ABI on our list (or if we're not
284# using the new multilib configuration. This can be used to determine
285# if we're in the last (or only) run through src_{unpack,compile,install}
286is_final_abi() {
287 has_multilib_profile || return 0
288 local ALL_ABIS=$(get_install_abis)
289 local LAST_ABI=${ALL_ABIS/* /}
290 [[ ${LAST_ABI} == ${ABI} ]]
291}
292
293# echo the number of ABIs we will be installing for
294number_abis() {
295 get_install_abis | wc -w
296}
297
298# get_ml_incdir [<include dir> [<ABI>]]
299# include dir defaults to /usr/include
300# ABI defaults to ${ABI} or ${DEFAULT_ABI}
301get_ml_incdir() {
302 local dir=/usr/include
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}
128 else 322 else
129 libdirs="lib" 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#
336# Example:
337# src_install() {
338# ...
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 [[ $# -eq 0 ]] ; then
349 dirs=/usr/include
350 else
351 dirs="$@"
130 fi 352 fi
131 353
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} ${data/*:/}"
490 done
132 echo "${libdirs}" 491 echo ${dirs:1}
133} 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() {
538 local libname
539 local ver=$1
540 case ${CHOST} in
541 *-darwin*) libname="dylib";;
542 *) libname="so";;
543 esac
544
545 if [[ -z $@ ]] ; then
546 echo ".${libname}"
547 else
548 for ver in "$@" ; do
549 case ${CHOST} in
550 *-darwin*) echo ".${ver}.${libname}";;
551 *) echo ".${libname}.${ver}";;
552 esac
553 done
554 fi
555}
556
557# This is for the toolchain to setup profile variables when pulling in
558# a crosscompiler (and thus they aren't set in the profile)
559multilib_env() {
560 local CTARGET=${1:-${CTARGET}}
561
562 case ${CTARGET} in
563 x86_64*)
564 export CFLAGS_x86=${CFLAGS_x86--m32}
565 export CHOST_x86=${CTARGET/x86_64/i686}
566 export CTARGET_x86=${CHOST_x86}
567 export CDEFINE_x86="__i386__"
568 export LIBDIR_x86="lib"
569
570 export CFLAGS_amd64=${CFLAGS_amd64--m64}
571 export CHOST_amd64=${CTARGET}
572 export CTARGET_amd64=${CHOST_amd64}
573 export CDEFINE_amd64="__x86_64__"
574 export LIBDIR_amd64="lib64"
575
576 export MULTILIB_ABIS="amd64 x86"
577 export DEFAULT_ABI="amd64"
578 ;;
579 mips64*)
580 export CFLAGS_o32=${CFLAGS_o32--mabi=32}
581 export CHOST_o32=${CTARGET/mips64/mips}
582 export CTARGET_o32=${CHOST_o32}
583 export CDEFINE_o32="_MIPS_SIM == _ABIO32"
584 export LIBDIR_o32="lib"
585
586 export CFLAGS_n32=${CFLAGS_n32--mabi=n32}
587 export CHOST_n32=${CTARGET}
588 export CTARGET_n32=${CHOST_n32}
589 export CDEFINE_n32="_MIPS_SIM == _ABIN32"
590 export LIBDIR_n32="lib32"
591
592 export CFLAGS_n64=${CFLAGS_n64--mabi=64}
593 export CHOST_n64=${CTARGET}
594 export CTARGET_n64=${CHOST_n64}
595 export CDEFINE_n64="_MIPS_SIM == _ABI64"
596 export LIBDIR_n64="lib64"
597
598 export MULTILIB_ABIS="n64 n32 o32"
599 export DEFAULT_ABI="n32"
600 ;;
601 powerpc64*)
602 export CFLAGS_ppc=${CFLAGS_ppc--m32}
603 export CHOST_ppc=${CTARGET/powerpc64/powerpc}
604 export CTARGET_ppc=${CHOST_ppc}
605 export CDEFINE_ppc="!__powerpc64__"
606 export LIBDIR_ppc="lib"
607
608 export CFLAGS_ppc64=${CFLAGS_ppc64--m64}
609 export CHOST_ppc64=${CTARGET}
610 export CTARGET_ppc64=${CHOST_ppc64}
611 export CDEFINE_ppc64="__powerpc64__"
612 export LIBDIR_ppc64="lib64"
613
614 export MULTILIB_ABIS="ppc64 ppc"
615 export DEFAULT_ABI="ppc64"
616 ;;
617 s390x*)
618 export CFLAGS_s390=${CFLAGS_s390--m31} # the 31 is not a typo
619 export CHOST_s390=${CTARGET/s390x/s390}
620 export CTARGET_s390=${CHOST_s390}
621 export CDEFINE_s390="!__s390x__"
622 export LIBDIR_s390="lib"
623
624 export CFLAGS_s390x=${CFLAGS_s390x--m64}
625 export CHOST_s390x=${CTARGET}
626 export CTARGET_s390x=${CHOST_s390x}
627 export CDEFINE_s390x="__s390x__"
628 export LIBDIR_s390x="lib64"
629
630 export MULTILIB_ABIS="s390x s390"
631 export DEFAULT_ABI="s390x"
632 ;;
633 sparc64*)
634 export CFLAGS_sparc32=${CFLAGS_sparc32--m32}
635 export CHOST_sparc32=${CTARGET/sparc64/sparc}
636 export CTARGET_sparc32=${CHOST_sparc32}
637 export CDEFINE_sparc32="!__arch64__"
638 export LIBDIR_sparc32="lib"
639
640 export CFLAGS_sparc64=${CFLAGS_sparc64--m64}
641 export CHOST_sparc64=${CTARGET}
642 export CTARGET_sparc64=${CHOST_sparc64}
643 export CDEFINE_sparc64="__arch64__"
644 export LIBDIR_sparc64="lib64"
645
646 export MULTILIB_ABIS="sparc64 sparc32"
647 export DEFAULT_ABI="sparc64"
648 ;;
649 *)
650 export MULTILIB_ABIS="default"
651 export DEFAULT_ABI="default"
652 ;;
653 esac
654}
655
656# 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)
658multilib_toolchain_setup() {
659 export ABI=$1
660
661 if has_version app-admin/eselect-compiler ; then
662 # Binutils doesn't have wrappers for ld and as (yet). Eventually it
663 # will, and all this can just be handled with CHOST.
664 export LD="ld $(get_abi_LDFLAGS $1)"
665 export AS="as $(get_abi_ASFLAGS $1)"
666
667 export CHOST=$(get_abi_CHOST $1)
668 export CBUILD=$(get_abi_CHOST $1)
669 else
670 tc-export CC
671 fi
672}

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