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Revision 1.28 Revision 1.62
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 1.28 2005/07/06 20:20:04 agriffis Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/multilib.eclass,v 1.62 2007/07/01 22:08:15 peper 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
10INHERITED="$INHERITED $ECLASS" 10___ECLASS_RECUR_MULTILIB="yes"
11 11[[ -z ${___ECLASS_RECUR_TOOLCHAIN_FUNCS} ]] && inherit toolchain-funcs
12DESCRIPTION="Based on the ${ECLASS} eclass"
13 12
14# has_multilib_profile: 13# has_multilib_profile:
15# Return true if the current profile is a multilib profile and lists more than 14# Return true if the current profile is a multilib profile and lists more than
16# one abi in ${MULTILIB_ABIS}. You might want to use this like 15# one abi in ${MULTILIB_ABIS}. When has_multilib_profile returns true, that
17# 'use multilib || has_multilib_profile' until all profiles utilizing the 16# profile should enable the 'multilib' use flag. This is so you can DEPEND on
18# 'multilib' use flag are removed from portage 17# a package only for multilib or not multilib.
19 18
20# is_final_abi: 19# is_final_abi:
21# Return true if ${ABI} is the final abi to be installed (and thus we are 20# Return true if ${ABI} is the final abi to be installed (and thus we are
22# on our last run through a src_* function. 21# on our last run through a src_* function.
23 22
83# 82#
84# Example: 83# Example:
85# create_ml_includes /usr/include/asm __sparc__:/usr/include/asm-sparc __sparc64__:/usr/include/asm-sparc64 84# create_ml_includes /usr/include/asm __sparc__:/usr/include/asm-sparc __sparc64__:/usr/include/asm-sparc64
86# create_ml_includes /usr/include/asm __i386__:/usr/include/asm-i386 __x86_64__:/usr/include/asm-x86_64 85# create_ml_includes /usr/include/asm __i386__:/usr/include/asm-i386 __x86_64__:/usr/include/asm-x86_64
87 86
87# get_libname [version]
88# returns libname with proper suffix {.so,.dylib} and optionally supplied version
89# for ELF/MACH-O shared objects
90#
91# Example:
92# get_libname libfoo ${PV}
93# Returns: libfoo.so.${PV} (ELF) || libfoo.${PV}.dylib (MACH)
94
88### END DOCUMENTATION ### 95### END DOCUMENTATION ###
89 96
90# Defaults: 97# Defaults:
91export MULTILIB_ABIS=${MULTILIB_ABIS:-"default"} 98export MULTILIB_ABIS=${MULTILIB_ABIS:-"default"}
92export DEFAULT_ABI=${DEFAULT_ABI:-"default"} 99export DEFAULT_ABI=${DEFAULT_ABI:-"default"}
93# This causes econf to set --libdir=/usr/lib where it didn't before
94#export ABI=${ABI:-"default"}
95export CFLAGS_default 100export CFLAGS_default
96export LDFLAGS_default 101export LDFLAGS_default
97export CHOST_default=${CHOST_default:-${CHOST}} 102export CHOST_default=${CHOST_default:-${CHOST}}
103export CTARGET_default=${CTARGET_default:-${CTARGET:-${CHOST_default}}}
98export LIBDIR_default=${CONF_LIBDIR:-"lib"} 104export LIBDIR_default=${CONF_LIBDIR:-"lib"}
99export CDEFINE_default="__unix__" 105export CDEFINE_default="__unix__"
106export KERNEL_ABI=${KERNEL_ABI:-${DEFAULT_ABI}}
100 107
101# has_multilib_profile() 108# has_multilib_profile()
102has_multilib_profile() { 109has_multilib_profile() {
103 [ -n "${MULTILIB_ABIS}" -a "${MULTILIB_ABIS}" != "${MULTILIB_ABIS/ /}" ] 110 [ -n "${MULTILIB_ABIS}" -a "${MULTILIB_ABIS}" != "${MULTILIB_ABIS/ /}" ]
104} 111}
168# If <ABI> is not specified and ${ABI} is not defined, ${DEFAULT_ABI} is used. 175# 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. 176# If <ABI> is not specified and ${ABI} and ${DEFAULT_ABI} are not defined, we return an empty string.
170# 177#
171# Jeremy Huddleston <eradicator@gentoo.org> 178# Jeremy Huddleston <eradicator@gentoo.org>
172get_abi_var() { 179get_abi_var() {
173 local flag=${1} 180 local flag=$1
174 local abi 181 local abi
175 if [ $# -gt 1 ]; then 182 if [ $# -gt 1 ]; then
176 abi=${2} 183 abi=${2}
177 elif [ -n "${ABI}" ]; then 184 elif [ -n "${ABI}" ]; then
178 abi=${ABI} 185 abi=${ABI}
184 191
185 local var="${flag}_${abi}" 192 local var="${flag}_${abi}"
186 echo ${!var} 193 echo ${!var}
187} 194}
188 195
189get_abi_CFLAGS() { get_abi_var CFLAGS "${@}"; } 196get_abi_CFLAGS() { get_abi_var CFLAGS "$@"; }
197get_abi_ASFLAGS() { get_abi_var ASFLAGS "$@"; }
190get_abi_LDFLAGS() { get_abi_var LDFLAGS "${@}"; } 198get_abi_LDFLAGS() { get_abi_var LDFLAGS "$@"; }
191get_abi_CHOST() { get_abi_var CHOST "${@}"; } 199get_abi_CHOST() { get_abi_var CHOST "$@"; }
200get_abi_CTARGET() { get_abi_var CTARGET "$@"; }
192get_abi_FAKE_TARGETS() { get_abi_var FAKE_TARGETS "${@}"; } 201get_abi_FAKE_TARGETS() { get_abi_var FAKE_TARGETS "$@"; }
193get_abi_CDEFINE() { get_abi_var CDEFINE "${@}"; } 202get_abi_CDEFINE() { get_abi_var CDEFINE "$@"; }
194get_abi_LIBDIR() { get_abi_var LIBDIR "${@}"; } 203get_abi_LIBDIR() { get_abi_var LIBDIR "$@"; }
195 204
196# Return a list of the ABIs we want to install for with 205# Return a list of the ABIs we want to install for with
197# the last one in the list being the default. 206# the last one in the list being the default.
198get_install_abis() { 207get_install_abis() {
199 local order="" 208 local order=""
200 209
201 if [ -z "${MULTILIB_ABIS}" ]; then 210 if [[ -z ${MULTILIB_ABIS} ]] ; then
202 echo "default" 211 echo "default"
203 return 0 212 return 0
204 fi 213 fi
205 214
206 if hasq multilib-pkg-force ${RESTRICT} || 215 if hasq multilib-pkg-force ${RESTRICT} || [[ ${EMULTILIB_PKG} == "true" ]]
207 { hasq multilib-pkg ${FEATURES} && hasq multilib-pkg ${RESTRICT}; }; then 216 then
208 for x in ${MULTILIB_ABIS}; do 217 for x in ${MULTILIB_ABIS} ; do
209 if [ "${x}" != "${DEFAULT_ABI}" ]; then 218 if [[ ${x} != "${DEFAULT_ABI}" ]] ; then
210 hasq ${x} ${ABI_DENY} || ordera="${ordera} ${x}" 219 hasq ${x} ${ABI_DENY} || ordera="${ordera} ${x}"
211 fi 220 fi
212 done 221 done
213 hasq ${DEFAULT_ABI} ${ABI_DENY} || order="${ordera} ${DEFAULT_ABI}" 222 hasq ${DEFAULT_ABI} ${ABI_DENY} || order="${ordera} ${DEFAULT_ABI}"
214 223
215 if [ -n "${ABI_ALLOW}" ]; then 224 if [[ -n ${ABI_ALLOW} ]] ; then
216 local ordera="" 225 local ordera=""
217 for x in ${order}; do 226 for x in ${order} ; do
218 if hasq ${x} ${ABI_ALLOW}; then 227 if hasq ${x} ${ABI_ALLOW} ; then
219 ordera="${ordera} ${x}" 228 ordera="${ordera} ${x}"
220 fi 229 fi
221 done 230 done
222 order="${ordera}" 231 order=${ordera}
223 fi 232 fi
224 else 233 else
225 order="${DEFAULT_ABI}" 234 order=${DEFAULT_ABI}
226 fi 235 fi
227 236
228 if [ -z "${order}" ]; then 237 if [[ -z ${order} ]] ; then
229 die "The ABI list is empty. Are you using a proper multilib profile? Perhaps your USE flags or MULTILIB_ABIS are too restrictive for this package." 238 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."
230 fi 239 fi
231 240
232 echo ${order} 241 echo ${order}
233 return 0 242 return 0
236# Return a list of the ABIs supported by this profile. 245# Return a list of the ABIs supported by this profile.
237# the last one in the list being the default. 246# the last one in the list being the default.
238get_all_abis() { 247get_all_abis() {
239 local order="" 248 local order=""
240 249
241 if [ -z "${MULTILIB_ABIS}" ]; then 250 if [[ -z ${MULTILIB_ABIS} ]] ; then
242 echo "default" 251 echo "default"
243 return 0 252 return 0
244 fi 253 fi
245 254
246 for x in ${MULTILIB_ABIS}; do 255 for x in ${MULTILIB_ABIS}; do
247 if [ "${x}" != "${DEFAULT_ABI}" ]; then 256 if [[ ${x} != ${DEFAULT_ABI} ]] ; then
248 order="${order:+${order }}${x}" 257 order="${order:+${order} }${x}"
249 fi 258 fi
250 done 259 done
251 order="${order:+${order} }${DEFAULT_ABI}" 260 order="${order:+${order} }${DEFAULT_ABI}"
252 261
253 echo ${order} 262 echo ${order}
260get_all_libdirs() { 269get_all_libdirs() {
261 local libdirs="lib" 270 local libdirs="lib"
262 local abi 271 local abi
263 local dir 272 local dir
264 273
265 if has_multilib_profile; then
266 for abi in ${MULTILIB_ABIS}; do 274 for abi in ${MULTILIB_ABIS}; do
267 [ "$(get_abi_LIBDIR ${abi})" != "lib" ] && libdirs="${libdirs} $(get_abi_LIBDIR ${abi})" 275 [ "$(get_abi_LIBDIR ${abi})" != "lib" ] && libdirs="${libdirs} $(get_abi_LIBDIR ${abi})"
268 done 276 done
269 elif [ -n "${CONF_LIBDIR}" ]; then
270 for dir in ${CONF_LIBDIR} ${CONF_MULTILIBDIR:-lib32}; do
271 [ "${dir}" != "lib" ] && libdirs="${libdirs} ${dir}"
272 done
273 fi
274 277
275 echo "${libdirs}" 278 echo "${libdirs}"
276} 279}
277 280
278# Return true if ${ABI} is the last ABI on our list (or if we're not 281# Return true if ${ABI} is the last ABI on our list (or if we're not
294# include dir defaults to /usr/include 297# include dir defaults to /usr/include
295# ABI defaults to ${ABI} or ${DEFAULT_ABI} 298# ABI defaults to ${ABI} or ${DEFAULT_ABI}
296get_ml_incdir() { 299get_ml_incdir() {
297 local dir=/usr/include 300 local dir=/usr/include
298 301
299 if [[ ${#} -gt 0 ]]; then 302 if [[ $# -gt 0 ]]; then
300 incdir=${1} 303 incdir=$1
301 shift 304 shift
302 fi 305 fi
303 306
304 if [[ -z "${MULTILIB_ABIS}" ]]; then 307 if [[ -z "${MULTILIB_ABIS}" ]]; then
305 echo ${incdir} 308 echo ${incdir}
306 return 0 309 return 0
307 fi 310 fi
308 311
309 local abi=${ABI-${DEFAULT_ABI}} 312 local abi=${ABI-${DEFAULT_ABI}}
310 if [[ ${#} -gt 0 ]]; then 313 if [[ $# -gt 0 ]]; then
311 abi=${1} 314 abi=$1
312 shift 315 shift
313 fi 316 fi
314 317
315 if [[ -d "${dir}/gentoo-multilib/${abi}" ]]; then 318 if [[ -d "${dir}/gentoo-multilib/${abi}" ]]; then
316 echo ${dir}/gentoo-multilib/${abi} 319 echo ${dir}/gentoo-multilib/${abi}
333# ... 336# ...
334# prep_ml_includes /usr/qt/3/include 337# prep_ml_includes /usr/qt/3/include
335# } 338# }
336 339
337prep_ml_includes() { 340prep_ml_includes() {
338 if [ $(number_abis) -gt 1 ]; then 341 if [[ $(number_abis) -gt 1 ]] ; then
339 local dir 342 local dir
340 local dirs 343 local dirs
341 local base 344 local base
342 345
343 if [ ${#} -eq 0 ]; then 346 if [[ $# -eq 0 ]] ; then
344 dirs="/usr/include" 347 dirs=/usr/include
345 else 348 else
346 dirs="${@}" 349 dirs="$@"
347 fi 350 fi
348 351
349 for dir in ${dirs}; do 352 for dir in ${dirs} ; do
350 base=${T}/gentoo-multilib/${dir}/gentoo-multilib 353 base=${T}/gentoo-multilib/${dir}/gentoo-multilib
351 mkdir -p ${base} 354 mkdir -p "${base}"
352 [ -d ${base}/${ABI} ] && rm -rf ${base}/${ABI} 355 [[ -d ${base}/${ABI} ]] && rm -rf "${base}/${ABI}"
353 mv ${D}/${dir} ${base}/${ABI} 356 mv "${D}/${dir}" "${base}/${ABI}"
354 done 357 done
355 358
356 if is_final_abi; then 359 if is_final_abi; then
357 base=${T}/gentoo-multilib 360 base=${T}/gentoo-multilib
358 pushd ${base} 361 pushd "${base}"
359 find . | tar -c -T - -f - | tar -x --no-same-owner -f - -C ${D} 362 find . | tar -c -T - -f - | tar -x --no-same-owner -f - -C ${D}
360 popd 363 popd
361 364
365 # This 'set' stuff is required by mips profiles to properly pass
366 # CDEFINE's (which have spaces) to sub-functions
367 set --
362 for dir in ${dirs}; do 368 for dir in ${dirs} ; do
363 local args=${dir} 369 set -- "$@" "${dir}"
364 local abi 370 local abi
365 for abi in $(get_install_abis); do 371 for abi in $(get_install_abis); do
366 args="${args} $(get_abi_CDEFINE ${abi}):${dir}/gentoo-multilib/${abi}" 372 set -- "$@" "$(get_abi_CDEFINE ${abi}):${dir}/gentoo-multilib/${abi}"
367 done 373 done
368 create_ml_includes ${args} 374 create_ml_includes "$@"
369 done 375 done
370 fi 376 fi
371 fi 377 fi
372} 378}
373 379
379# Ideas for this code came from debian's sparc-linux headers package. 385# Ideas for this code came from debian's sparc-linux headers package.
380# 386#
381# Example: 387# Example:
382# create_ml_includes /usr/include/asm __sparc__:/usr/include/asm-sparc __sparc64__:/usr/include/asm-sparc64 388# create_ml_includes /usr/include/asm __sparc__:/usr/include/asm-sparc __sparc64__:/usr/include/asm-sparc64
383# create_ml_includes /usr/include/asm __i386__:/usr/include/asm-i386 __x86_64__:/usr/include/asm-x86_64 389# create_ml_includes /usr/include/asm __i386__:/usr/include/asm-i386 __x86_64__:/usr/include/asm-x86_64
390#
391# Warning: Be careful with the ordering here. The default ABI has to be the
392# last, because it is always defined (by GCC)
384create_ml_includes() { 393create_ml_includes() {
385 local dest="${1}" 394 local dest=$1
386 shift 395 shift
387 local mlinfo="${@}"
388 local basedirs=$(create_ml_includes-listdirs ${mlinfo}) 396 local basedirs=$(create_ml_includes-listdirs "$@")
389 397
390 create_ml_includes-makedestdirs ${dest} ${basedirs} 398 create_ml_includes-makedestdirs ${dest} ${basedirs}
391 399
392 local file 400 local file
393 for file in $(create_ml_includes-allfiles ${basedirs}); do 401 for file in $(create_ml_includes-allfiles ${basedirs}) ; do
394 local name="$(echo $file | tr a-z A-Z | sed 's:[^A-Z]:_:g')" 402 #local name=$(echo ${file} | tr '[:lower:]' '[:upper:]' | sed 's:[^[:upper:]]:_:g')
395 { 403 (
396 echo "/* Common header file autogenerated by create_ml_includes in multilib.eclass */" 404 echo "/* Autogenerated by create_ml_includes() in multilib.eclass */"
397 405
398 local dir 406 local dir
399 for dir in ${basedirs}; do 407 for dir in ${basedirs}; do
400 if [ -f "${D}/${dir}/${file}" ]; then 408 if [[ -f ${D}/${dir}/${file} ]] ; then
409 echo ""
401 local sym=$(create_ml_includes-sym_for_dir ${dir} ${mlinfo}) 410 local sym=$(create_ml_includes-sym_for_dir ${dir} "$@")
411 if [[ ${sym/=} != "${sym}" ]] ; then
412 echo "#if ${sym}"
402 if [[ ${sym::1} == "!" ]]; then 413 elif [[ ${sym::1} == "!" ]] ; then
403 echo "#ifndef ${sym:1}" 414 echo "#ifndef ${sym:1}"
404 else 415 else
405 echo "#ifdef ${sym}" 416 echo "#ifdef ${sym}"
406 fi 417 fi
407 echo "#include <$(create_ml_includes-absolute ${dir}/${file})>" 418 echo "# include <$(create_ml_includes-absolute ${dir}/${file})>"
408 echo "#endif /* ${sym} */" 419 echo "#endif /* ${sym} */"
409 echo ""
410 fi 420 fi
411 done 421 done
412 422
413 #echo "#endif /* __CREATE_ML_INCLUDES_STUB_${name}__ */" 423 #echo "#endif /* __CREATE_ML_INCLUDES_STUB_${name}__ */"
414 } > ${D}/${dest}/${file} 424 ) > "${D}/${dest}/${file}"
415 done 425 done
416} 426}
417 427
418# Helper function for create_ml_includes 428# Helper function for create_ml_includes
419create_ml_includes-absolute() { 429create_ml_includes-absolute() {
420 local dst="$(create_ml_includes-tidy_path ${1})" 430 local dst="$(create_ml_includes-tidy_path $1)"
421 431
422 dst=(${dst//\// }) 432 dst=(${dst//\// })
423 433
424 local i 434 local i
425 for ((i=0; i<${#dst[*]}; i++)); do 435 for ((i=0; i<${#dst[*]}; i++)); do
435 echo -n ${dst[i]} 445 echo -n ${dst[i]}
436} 446}
437 447
438# Helper function for create_ml_includes 448# Helper function for create_ml_includes
439create_ml_includes-tidy_path() { 449create_ml_includes-tidy_path() {
440 local removed="${1}" 450 local removed=$1
441 451
442 if [ -n "${removed}" ]; then 452 if [ -n "${removed}" ]; then
443 # Remove multiple slashes 453 # Remove multiple slashes
444 while [ "${removed}" != "${removed/\/\//\/}" ]; do 454 while [ "${removed}" != "${removed/\/\//\/}" ]; do
445 removed=${removed/\/\//\/} 455 removed=${removed/\/\//\/}
462 # Remove trailing .. 472 # Remove trailing ..
463 [ "${removed##*/}" = ".." ] && removed=${removed%/*/*} 473 [ "${removed##*/}" = ".." ] && removed=${removed%/*/*}
464 474
465 # Remove trailing / 475 # Remove trailing /
466 [ "${removed##*/}" = "" ] && removed=${removed%/*} 476 [ "${removed##*/}" = "" ] && removed=${removed%/*}
467 477
468 echo ${removed} 478 echo ${removed}
469 fi 479 fi
470} 480}
471 481
472# Helper function for create_ml_includes 482# Helper function for create_ml_includes
473create_ml_includes-listdirs() { 483create_ml_includes-listdirs() {
474 local dirs 484 local dirs
475 local data 485 local data
476 for data in ${@}; do 486 for data in "$@"; do
477 dirs="${dirs} ${data/*:/}" 487 dirs="${dirs} ${data/*:/}"
478 done 488 done
479 echo ${dirs:1} 489 echo ${dirs:1}
480} 490}
481 491
482# Helper function for create_ml_includes 492# Helper function for create_ml_includes
483create_ml_includes-makedestdirs() { 493create_ml_includes-makedestdirs() {
484 local dest=${1} 494 local dest=$1
485 shift 495 shift
486 local basedirs=${@} 496 local basedirs=$@
487 497
488 dodir ${dest} 498 dodir ${dest}
489 499
490 local basedir 500 local basedir
491 for basedir in ${basedirs}; do 501 for basedir in ${basedirs}; do
496 done 506 done
497} 507}
498 508
499# Helper function for create_ml_includes 509# Helper function for create_ml_includes
500create_ml_includes-allfiles() { 510create_ml_includes-allfiles() {
501 local basedirs=${@}
502
503 local basedir 511 local basedir file
504 for basedir in ${basedirs}; do 512 for basedir in "$@" ; do
505 local file
506 for file in $(find ${D}/${basedir} -type f); do 513 for file in $(find "${D}"/${basedir} -type f); do
507 echo ${file/${D}\/${basedir}\//} 514 echo ${file/${D}\/${basedir}\//}
508 done 515 done
509 done | sort | uniq 516 done | sort | uniq
510} 517}
511 518
512# Helper function for create_ml_includes 519# Helper function for create_ml_includes
513create_ml_includes-sym_for_dir() { 520create_ml_includes-sym_for_dir() {
514 local dir="${1}" 521 local dir=$1
515 shift 522 shift
516 local data 523 local data
517 for data in ${@}; do 524 for data in "$@"; do
518 if [ "${dir}" = "${data/*:/}" ]; then 525 if [[ ${data} == *:${dir} ]] ; then
519 echo ${data/:*/} 526 echo ${data/:*/}
520 return 0 527 return 0
521 fi 528 fi
522 done 529 done
523 echo "Shouldn't be here -- create_ml_includes-sym_for_dir ${1} ${@}" 530 echo "Shouldn't be here -- create_ml_includes-sym_for_dir $1 $@"
524 # exit because we'll likely be called from a subshell 531 # exit because we'll likely be called from a subshell
525 exit 1 532 exit 1
526} 533}
534
535get_libname() {
536 local libname
537 local ver=$1
538 case ${CHOST} in
539 *-darwin*) libname="dylib";;
540 *) libname="so";;
541 esac
542
543 if [[ -z $@ ]] ; then
544 echo ".${libname}"
545 else
546 for ver in "$@" ; do
547 case ${CHOST} in
548 *-darwin*) echo ".${ver}.${libname}";;
549 *) echo ".${libname}.${ver}";;
550 esac
551 done
552 fi
553}
554
555# This is for the toolchain to setup profile variables when pulling in
556# a crosscompiler (and thus they aren't set in the profile)
557multilib_env() {
558 local CTARGET=${1:-${CTARGET}}
559
560 case ${CTARGET} in
561 x86_64*)
562 export CFLAGS_x86=${CFLAGS_x86--m32}
563 export CHOST_x86=${CTARGET/x86_64/i686}
564 export CTARGET_x86=${CHOST_x86}
565 export CDEFINE_x86="__i386__"
566 export LIBDIR_x86="lib"
567
568 export CFLAGS_amd64=${CFLAGS_amd64--m64}
569 export CHOST_amd64=${CTARGET}
570 export CTARGET_amd64=${CHOST_amd64}
571 export CDEFINE_amd64="__x86_64__"
572 export LIBDIR_amd64="lib64"
573
574 export MULTILIB_ABIS="amd64 x86"
575 export DEFAULT_ABI="amd64"
576 ;;
577 mips64*)
578 export CFLAGS_o32=${CFLAGS_o32--mabi=32}
579 export CHOST_o32=${CTARGET/mips64/mips}
580 export CTARGET_o32=${CHOST_o32}
581 export CDEFINE_o32="_MIPS_SIM == _ABIO32"
582 export LIBDIR_o32="lib"
583
584 export CFLAGS_n32=${CFLAGS_n32--mabi=n32}
585 export CHOST_n32=${CTARGET}
586 export CTARGET_n32=${CHOST_n32}
587 export CDEFINE_n32="_MIPS_SIM == _ABIN32"
588 export LIBDIR_n32="lib32"
589
590 export CFLAGS_n64=${CFLAGS_n64--mabi=64}
591 export CHOST_n64=${CTARGET}
592 export CTARGET_n64=${CHOST_n64}
593 export CDEFINE_n64="_MIPS_SIM == _ABI64"
594 export LIBDIR_n64="lib64"
595
596 export MULTILIB_ABIS="n64 n32 o32"
597 export DEFAULT_ABI="n32"
598 ;;
599 powerpc64*)
600 export CFLAGS_ppc=${CFLAGS_ppc--m32}
601 export CHOST_ppc=${CTARGET/powerpc64/powerpc}
602 export CTARGET_ppc=${CHOST_ppc}
603 export CDEFINE_ppc="!__powerpc64__"
604 export LIBDIR_ppc="lib"
605
606 export CFLAGS_ppc64=${CFLAGS_ppc64--m64}
607 export CHOST_ppc64=${CTARGET}
608 export CTARGET_ppc64=${CHOST_ppc64}
609 export CDEFINE_ppc64="__powerpc64__"
610 export LIBDIR_ppc64="lib64"
611
612 export MULTILIB_ABIS="ppc64 ppc"
613 export DEFAULT_ABI="ppc64"
614 ;;
615 s390x*)
616 export CFLAGS_s390=${CFLAGS_s390--m31} # the 31 is not a typo
617 export CHOST_s390=${CTARGET/s390x/s390}
618 export CTARGET_s390=${CHOST_s390}
619 export CDEFINE_s390="!__s390x__"
620 export LIBDIR_s390="lib"
621
622 export CFLAGS_s390x=${CFLAGS_s390x--m64}
623 export CHOST_s390x=${CTARGET}
624 export CTARGET_s390x=${CHOST_s390x}
625 export CDEFINE_s390x="__s390x__"
626 export LIBDIR_s390x="lib64"
627
628 export MULTILIB_ABIS="s390x s390"
629 export DEFAULT_ABI="s390x"
630 ;;
631 sparc64*)
632 export CFLAGS_sparc32=${CFLAGS_sparc32--m32}
633 export CHOST_sparc32=${CTARGET/sparc64/sparc}
634 export CTARGET_sparc32=${CHOST_sparc32}
635 export CDEFINE_sparc32="!__arch64__"
636 export LIBDIR_sparc32="lib"
637
638 export CFLAGS_sparc64=${CFLAGS_sparc64--m64}
639 export CHOST_sparc64=${CTARGET}
640 export CTARGET_sparc64=${CHOST_sparc64}
641 export CDEFINE_sparc64="__arch64__"
642 export LIBDIR_sparc64="lib64"
643
644 export MULTILIB_ABIS="sparc64 sparc32"
645 export DEFAULT_ABI="sparc64"
646 ;;
647 *)
648 export MULTILIB_ABIS="default"
649 export DEFAULT_ABI="default"
650 ;;
651 esac
652}
653
654# Hide multilib details here for packages which are forced to be compiled for a
655# specific ABI when run on another ABI (like x86-specific packages on amd64)
656multilib_toolchain_setup() {
657 export ABI=$1
658
659 if has_version app-admin/eselect-compiler ; then
660 # Binutils doesn't have wrappers for ld and as (yet). Eventually it
661 # will, and all this can just be handled with CHOST.
662 export LD="ld $(get_abi_LDFLAGS $1)"
663 export AS="as $(get_abi_ASFLAGS $1)"
664
665 export CHOST=$(get_abi_CHOST $1)
666 export CBUILD=$(get_abi_CHOST $1)
667 else
668 tc-export CC
669 fi
670}

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