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Revision 1.24 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 1.24 2005/03/08 10:40:42 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 14
15# has_multilib_profile: 15# has_multilib_profile:
16# Return true if the current profile is a multilib profile and lists more than 16# Return true if the current profile is a multilib profile and lists more than
84# 84#
85# Example: 85# Example:
86# create_ml_includes /usr/include/asm __sparc__:/usr/include/asm-sparc __sparc64__:/usr/include/asm-sparc64 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 87# create_ml_includes /usr/include/asm __i386__:/usr/include/asm-i386 __x86_64__:/usr/include/asm-x86_64
88 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.${PV}.dylib (MACH)
96
89### END DOCUMENTATION ### 97### END DOCUMENTATION ###
90 98
91# Defaults: 99# Defaults:
92export MULTILIB_ABIS=${MULTILIB_ABIS:-"default"} 100export MULTILIB_ABIS=${MULTILIB_ABIS:-"default"}
93export DEFAULT_ABI=${DEFAULT_ABI:-"default"} 101export DEFAULT_ABI=${DEFAULT_ABI:-"default"}
94export ABI=${ABI:-"default"}
95export CFLAGS_default 102export CFLAGS_default
96export LDFLAGS_default 103export LDFLAGS_default
97export CHOST_default=${CHOST_default:-${CHOST}} 104export CHOST_default=${CHOST_default:-${CHOST}}
105export CTARGET_default=${CTARGET_default:-${CTARGET:-${CHOST_default}}}
98export LIBDIR_default=${CONF_LIBDIR:-"lib"} 106export LIBDIR_default=${CONF_LIBDIR:-"lib"}
99export CDEFINE_default="__unix__" 107export CDEFINE_default="__unix__"
108export KERNEL_ABI=${KERNEL_ABI:-${DEFAULT_ABI}}
100 109
101# has_multilib_profile() 110# has_multilib_profile()
102has_multilib_profile() { 111has_multilib_profile() {
103 [ -n "${MULTILIB_ABIS}" -a "${MULTILIB_ABIS}" != "${MULTILIB_ABIS/ /}" ] 112 [ -n "${MULTILIB_ABIS}" -a "${MULTILIB_ABIS}" != "${MULTILIB_ABIS/ /}" ]
104} 113}
168# 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.
169# 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 ${DEFAULT_ABI} are not defined, we return an empty string.
170# 179#
171# Jeremy Huddleston <eradicator@gentoo.org> 180# Jeremy Huddleston <eradicator@gentoo.org>
172get_abi_var() { 181get_abi_var() {
173 local flag=${1} 182 local flag=$1
174 local abi 183 local abi
175 if [ $# -gt 1 ]; then 184 if [ $# -gt 1 ]; then
176 abi=${2} 185 abi=${2}
177 elif [ -n "${ABI}" ]; then 186 elif [ -n "${ABI}" ]; then
178 abi=${ABI} 187 abi=${ABI}
184 193
185 local var="${flag}_${abi}" 194 local var="${flag}_${abi}"
186 echo ${!var} 195 echo ${!var}
187} 196}
188 197
189get_abi_CFLAGS() { get_abi_var CFLAGS "${@}"; } 198get_abi_CFLAGS() { get_abi_var CFLAGS "$@"; }
199get_abi_ASFLAGS() { get_abi_var ASFLAGS "$@"; }
190get_abi_LDFLAGS() { get_abi_var LDFLAGS "${@}"; } 200get_abi_LDFLAGS() { get_abi_var LDFLAGS "$@"; }
191get_abi_CHOST() { get_abi_var CHOST "${@}"; } 201get_abi_CHOST() { get_abi_var CHOST "$@"; }
202get_abi_CTARGET() { get_abi_var CTARGET "$@"; }
192get_abi_FAKE_TARGETS() { get_abi_var FAKE_TARGETS "${@}"; } 203get_abi_FAKE_TARGETS() { get_abi_var FAKE_TARGETS "$@"; }
193get_abi_CDEFINE() { get_abi_var CDEFINE "${@}"; } 204get_abi_CDEFINE() { get_abi_var CDEFINE "$@"; }
194get_abi_LIBDIR() { get_abi_var LIBDIR "${@}"; } 205get_abi_LIBDIR() { get_abi_var LIBDIR "$@"; }
195 206
196# Return a list of the ABIs we want to install for with 207# Return a list of the ABIs we want to install for with
197# the last one in the list being the default. 208# the last one in the list being the default.
198get_install_abis() { 209get_install_abis() {
199 local order="" 210 local order=""
200 211
201 if [ -z "${MULTILIB_ABIS}" ]; then 212 if [[ -z ${MULTILIB_ABIS} ]] ; then
202 echo "default" 213 echo "default"
203 return 0 214 return 0
204 fi 215 fi
205 216
206 if hasq multilib-pkg-force ${RESTRICT} || 217 if hasq multilib-pkg-force ${RESTRICT} ||
207 { hasq multilib-pkg ${FEATURES} && hasq multilib-pkg ${RESTRICT}; }; then 218 { hasq multilib-pkg ${FEATURES} && hasq multilib-pkg ${RESTRICT}; }; then
208 for x in ${MULTILIB_ABIS}; do 219 for x in ${MULTILIB_ABIS} ; do
209 if [ "${x}" != "${DEFAULT_ABI}" ]; then 220 if [[ ${x} != "${DEFAULT_ABI}" ]] ; then
210 hasq ${x} ${ABI_DENY} || ordera="${ordera} ${x}" 221 hasq ${x} ${ABI_DENY} || ordera="${ordera} ${x}"
211 fi 222 fi
212 done 223 done
213 hasq ${DEFAULT_ABI} ${ABI_DENY} || order="${ordera} ${DEFAULT_ABI}" 224 hasq ${DEFAULT_ABI} ${ABI_DENY} || order="${ordera} ${DEFAULT_ABI}"
214 225
215 if [ -n "${ABI_ALLOW}" ]; then 226 if [[ -n ${ABI_ALLOW} ]] ; then
216 local ordera="" 227 local ordera=""
217 for x in ${order}; do 228 for x in ${order} ; do
218 if hasq ${x} ${ABI_ALLOW}; then 229 if hasq ${x} ${ABI_ALLOW} ; then
219 ordera="${ordera} ${x}" 230 ordera="${ordera} ${x}"
220 fi 231 fi
221 done 232 done
222 order="${ordera}" 233 order=${ordera}
223 fi 234 fi
224 else 235 else
225 order="${DEFAULT_ABI}" 236 order=${DEFAULT_ABI}
226 fi 237 fi
227 238
228 if [ -z "${order}" ]; then 239 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." 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."
230 fi 241 fi
231 242
232 echo ${order} 243 echo ${order}
233 return 0 244 return 0
236# Return a list of the ABIs supported by this profile. 247# Return a list of the ABIs supported by this profile.
237# the last one in the list being the default. 248# the last one in the list being the default.
238get_all_abis() { 249get_all_abis() {
239 local order="" 250 local order=""
240 251
241 if [ -z "${MULTILIB_ABIS}" ]; then 252 if [[ -z ${MULTILIB_ABIS} ]] ; then
242 echo "default" 253 echo "default"
243 return 0 254 return 0
244 fi 255 fi
245 256
246 for x in ${MULTILIB_ABIS}; do 257 for x in ${MULTILIB_ABIS}; do
247 if [ "${x}" != "${DEFAULT_ABI}" ]; then 258 if [[ ${x} != ${DEFAULT_ABI} ]] ; then
248 order="${order:+${order }}${x}" 259 order="${order:+${order} }${x}"
249 fi 260 fi
250 done 261 done
251 order="${order:+${order} }${DEFAULT_ABI}" 262 order="${order:+${order} }${DEFAULT_ABI}"
252 263
253 echo ${order} 264 echo ${order}
260get_all_libdirs() { 271get_all_libdirs() {
261 local libdirs="lib" 272 local libdirs="lib"
262 local abi 273 local abi
263 local dir 274 local dir
264 275
265 if has_multilib_profile; then
266 for abi in ${MULTILIB_ABIS}; do 276 for abi in ${MULTILIB_ABIS}; do
267 [ "$(get_abi_LIBDIR ${abi})" != "lib" ] && libdirs="${libdirs} $(get_abi_LIBDIR ${abi})" 277 [ "$(get_abi_LIBDIR ${abi})" != "lib" ] && libdirs="${libdirs} $(get_abi_LIBDIR ${abi})"
268 done 278 done
269 elif [ -n "${CONF_LIBDIR}" ]; then
270 for dir in ${CONF_LIBDIR} ${CONF_MULTILIBDIR:-lib32}; do
271 [ "${dir}" != "lib" ] && libdirs="${libdirs} ${dir}"
272 done
273 fi
274 279
275 echo "${libdirs}" 280 echo "${libdirs}"
276} 281}
277 282
278# Return true if ${ABI} is the last ABI on our list (or if we're not 283# Return true if ${ABI} is the last ABI on our list (or if we're not
280# if we're in the last (or only) run through src_{unpack,compile,install} 285# if we're in the last (or only) run through src_{unpack,compile,install}
281is_final_abi() { 286is_final_abi() {
282 has_multilib_profile || return 0 287 has_multilib_profile || return 0
283 local ALL_ABIS=$(get_install_abis) 288 local ALL_ABIS=$(get_install_abis)
284 local LAST_ABI=${ALL_ABIS/* /} 289 local LAST_ABI=${ALL_ABIS/* /}
285 [[ "${LAST_ABI}" == "${ABI}" ]] 290 [[ ${LAST_ABI} == ${ABI} ]]
286} 291}
287 292
288# echo the number of ABIs we will be installing for 293# echo the number of ABIs we will be installing for
289number_abis() { 294number_abis() {
290 get_install_abis | wc -w 295 get_install_abis | wc -w
294# include dir defaults to /usr/include 299# include dir defaults to /usr/include
295# ABI defaults to ${ABI} or ${DEFAULT_ABI} 300# ABI defaults to ${ABI} or ${DEFAULT_ABI}
296get_ml_incdir() { 301get_ml_incdir() {
297 local dir=/usr/include 302 local dir=/usr/include
298 303
299 if [[ ${#} -gt 0 ]]; then 304 if [[ $# -gt 0 ]]; then
300 incdir=${1} 305 incdir=$1
301 shift 306 shift
302 fi 307 fi
303 308
304 if [[ -z "${MULTILIB_ABIS}" ]]; then 309 if [[ -z "${MULTILIB_ABIS}" ]]; then
305 echo ${incdir} 310 echo ${incdir}
306 return 0 311 return 0
307 fi 312 fi
308 313
309 local abi=${ABI:-${DEFAULT_ABI}} 314 local abi=${ABI-${DEFAULT_ABI}}
310 if [[ ${#} -gt 0 ]]; then 315 if [[ $# -gt 0 ]]; then
311 abi=${1} 316 abi=$1
312 shift 317 shift
313 fi 318 fi
314 319
315 if [[ -d "${dir}/gentoo-multilib/${abi}" ]]; then 320 if [[ -d "${dir}/gentoo-multilib/${abi}" ]]; then
316 echo ${dir}/gentoo-multilib/${abi} 321 echo ${dir}/gentoo-multilib/${abi}
333# ... 338# ...
334# prep_ml_includes /usr/qt/3/include 339# prep_ml_includes /usr/qt/3/include
335# } 340# }
336 341
337prep_ml_includes() { 342prep_ml_includes() {
338 if [ $(number_abis) -gt 1 ]; then 343 if [[ $(number_abis) -gt 1 ]] ; then
339 local dir 344 local dir
340 local dirs 345 local dirs
341 local base 346 local base
342 347
343 if [ ${#} -eq 0 ]; then 348 if [[ $# -eq 0 ]] ; then
344 dirs="/usr/include" 349 dirs=/usr/include
345 else 350 else
346 dirs="${@}" 351 dirs="$@"
347 fi 352 fi
348 353
349 for dir in ${dirs}; do 354 for dir in ${dirs} ; do
350 base=${T}/gentoo-multilib/${dir}/gentoo-multilib 355 base=${T}/gentoo-multilib/${dir}/gentoo-multilib
351 mkdir -p ${base} 356 mkdir -p "${base}"
352 [ -d ${base}/${ABI} ] && rm -rf ${base}/${ABI} 357 [[ -d ${base}/${ABI} ]] && rm -rf "${base}/${ABI}"
353 mv ${D}/${dir} ${base}/${ABI} 358 mv "${D}/${dir}" "${base}/${ABI}"
354 done 359 done
355 360
356 if is_final_abi; then 361 if is_final_abi; then
357 base=${T}/gentoo-multilib 362 base=${T}/gentoo-multilib
358 pushd ${base} 363 pushd "${base}"
359 find . | tar -c -T - -f - | tar -x --no-same-owner -f - -C ${D} 364 find . | tar -c -T - -f - | tar -x --no-same-owner -f - -C ${D}
360 popd 365 popd
361 366
367 # This 'set' stuff is required by mips profiles to properly pass
368 # CDEFINE's (which have spaces) to sub-functions
369 set --
362 for dir in ${dirs}; do 370 for dir in ${dirs} ; do
363 local args=${dir} 371 set -- "$@" "${dir}"
364 local abi 372 local abi
365 for abi in $(get_install_abis); do 373 for abi in $(get_install_abis); do
366 args="${args} $(get_abi_CDEFINE ${abi}):${dir}/gentoo-multilib/${abi}" 374 set -- "$@" "$(get_abi_CDEFINE ${abi}):${dir}/gentoo-multilib/${abi}"
367 done 375 done
368 create_ml_includes ${args} 376 create_ml_includes "$@"
369 done 377 done
370 fi 378 fi
371 fi 379 fi
372} 380}
373 381
379# Ideas for this code came from debian's sparc-linux headers package. 387# Ideas for this code came from debian's sparc-linux headers package.
380# 388#
381# Example: 389# Example:
382# create_ml_includes /usr/include/asm __sparc__:/usr/include/asm-sparc __sparc64__:/usr/include/asm-sparc64 390# 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_64 391# 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)
384create_ml_includes() { 395create_ml_includes() {
385 local dest="${1}" 396 local dest=$1
386 shift 397 shift
387 local mlinfo="${@}"
388 local basedirs=$(create_ml_includes-listdirs ${mlinfo}) 398 local basedirs=$(create_ml_includes-listdirs "$@")
389 399
390 create_ml_includes-makedestdirs ${dest} ${basedirs} 400 create_ml_includes-makedestdirs ${dest} ${basedirs}
391 401
392 local file 402 local file
393 for file in $(create_ml_includes-allfiles ${basedirs}); do 403 for file in $(create_ml_includes-allfiles ${basedirs}) ; do
394 local name="$(echo $file | tr a-z A-Z | sed 's:[^A-Z]:_:g')" 404 #local name=$(echo ${file} | tr '[:lower:]' '[:upper:]' | sed 's:[^[:upper:]]:_:g')
395 { 405 (
396 echo "/* Common header file autogenerated by create_ml_includes in multilib.eclass */" 406 echo "/* Autogenerated by create_ml_includes() in multilib.eclass */"
397 407
398 local dir 408 local dir
399 for dir in ${basedirs}; do 409 for dir in ${basedirs}; do
400 if [ -f "${D}/${dir}/${file}" ]; then 410 if [[ -f ${D}/${dir}/${file} ]] ; then
411 echo ""
401 local sym=$(create_ml_includes-sym_for_dir ${dir} ${mlinfo}) 412 local sym=$(create_ml_includes-sym_for_dir ${dir} "$@")
413 if [[ ${sym/=} != "${sym}" ]] ; then
414 echo "#if ${sym}"
402 if [[ ${sym::1} == "!" ]]; then 415 elif [[ ${sym::1} == "!" ]] ; then
403 echo "#ifndef ${sym:1}" 416 echo "#ifndef ${sym:1}"
404 else 417 else
405 echo "#ifdef ${sym}" 418 echo "#ifdef ${sym}"
406 fi 419 fi
407 echo "#include \"$(create_ml_includes-relative_between ${dest}/$(dirname ${file}) ${dir}/${file})\"" 420 echo "# include <$(create_ml_includes-absolute ${dir}/${file})>"
408 echo "#endif /* ${sym} */" 421 echo "#endif /* ${sym} */"
409 echo ""
410 fi 422 fi
411 done 423 done
412 424
413 #echo "#endif /* __CREATE_ML_INCLUDES_STUB_${name}__ */" 425 #echo "#endif /* __CREATE_ML_INCLUDES_STUB_${name}__ */"
414 } > ${D}/${dest}/${file} 426 ) > "${D}/${dest}/${file}"
415 done 427 done
416} 428}
417 429
418# Helper function for create_ml_includes 430# Helper function for create_ml_includes
419create_ml_includes-relative_between() { 431create_ml_includes-absolute() {
420 local src="$(create_ml_includes-tidy_path ${1})"
421 local dst="$(create_ml_includes-tidy_path ${2})" 432 local dst="$(create_ml_includes-tidy_path $1)"
422 433
423 src=(${src//\// })
424 dst=(${dst//\// }) 434 dst=(${dst//\// })
425 435
426 local i 436 local i
427 for ((i=0; i<${#src[*]}; i++)); do 437 for ((i=0; i<${#dst[*]}; i++)); do
428 [ "${dst[i]}" != "${src[i]}" ] && break 438 [ "${dst[i]}" == "include" ] && break
429 done 439 done
430 440
431 local common=$i 441 local strip_upto=$i
432 442
433 for ((i=${#src[*]}; i>common; i--)); do
434 echo -n ../
435 done
436
437 for ((i=common; i<${#dst[*]}-1; i++)); do 443 for ((i=strip_upto+1; i<${#dst[*]}-1; i++)); do
438 echo -n ${dst[i]}/ 444 echo -n ${dst[i]}/
439 done 445 done
440 446
441 echo -n ${dst[i]} 447 echo -n ${dst[i]}
442} 448}
443 449
444# Helper function for create_ml_includes 450# Helper function for create_ml_includes
445create_ml_includes-tidy_path() { 451create_ml_includes-tidy_path() {
446 local removed="${1}" 452 local removed=$1
447 453
448 if [ -n "${removed}" ]; then 454 if [ -n "${removed}" ]; then
449 # Remove multiple slashes 455 # Remove multiple slashes
450 while [ "${removed}" != "${removed/\/\//\/}" ]; do 456 while [ "${removed}" != "${removed/\/\//\/}" ]; do
451 removed=${removed/\/\//\/} 457 removed=${removed/\/\//\/}
468 # Remove trailing .. 474 # Remove trailing ..
469 [ "${removed##*/}" = ".." ] && removed=${removed%/*/*} 475 [ "${removed##*/}" = ".." ] && removed=${removed%/*/*}
470 476
471 # Remove trailing / 477 # Remove trailing /
472 [ "${removed##*/}" = "" ] && removed=${removed%/*} 478 [ "${removed##*/}" = "" ] && removed=${removed%/*}
473 479
474 echo ${removed} 480 echo ${removed}
475 fi 481 fi
476} 482}
477 483
478# Helper function for create_ml_includes 484# Helper function for create_ml_includes
479create_ml_includes-listdirs() { 485create_ml_includes-listdirs() {
480 local dirs 486 local dirs
481 local data 487 local data
482 for data in ${@}; do 488 for data in "$@"; do
483 dirs="${dirs} ${data/*:/}" 489 dirs="${dirs} ${data/*:/}"
484 done 490 done
485 echo ${dirs:1} 491 echo ${dirs:1}
486} 492}
487 493
488# Helper function for create_ml_includes 494# Helper function for create_ml_includes
489create_ml_includes-makedestdirs() { 495create_ml_includes-makedestdirs() {
490 local dest=${1} 496 local dest=$1
491 shift 497 shift
492 local basedirs=${@} 498 local basedirs=$@
493 499
494 dodir ${dest} 500 dodir ${dest}
495 501
496 local basedir 502 local basedir
497 for basedir in ${basedirs}; do 503 for basedir in ${basedirs}; do
502 done 508 done
503} 509}
504 510
505# Helper function for create_ml_includes 511# Helper function for create_ml_includes
506create_ml_includes-allfiles() { 512create_ml_includes-allfiles() {
507 local basedirs=${@}
508
509 local basedir 513 local basedir file
510 for basedir in ${basedirs}; do 514 for basedir in "$@" ; do
511 local file
512 for file in $(find ${D}/${basedir} -type f); do 515 for file in $(find "${D}"/${basedir} -type f); do
513 echo ${file/${D}\/${basedir}\//} 516 echo ${file/${D}\/${basedir}\//}
514 done 517 done
515 done | sort | uniq 518 done | sort | uniq
516} 519}
517 520
518# Helper function for create_ml_includes 521# Helper function for create_ml_includes
519create_ml_includes-sym_for_dir() { 522create_ml_includes-sym_for_dir() {
520 local dir="${1}" 523 local dir=$1
521 shift 524 shift
522 local data 525 local data
523 for data in ${@}; do 526 for data in "$@"; do
524 if [ "${dir}" = "${data/*:/}" ]; then 527 if [[ ${data} == *:${dir} ]] ; then
525 echo ${data/:*/} 528 echo ${data/:*/}
526 return 0 529 return 0
527 fi 530 fi
528 done 531 done
529 echo "Shouldn't be here -- create_ml_includes-sym_for_dir ${1} ${@}" 532 echo "Shouldn't be here -- create_ml_includes-sym_for_dir $1 $@"
530 # exit because we'll likely be called from a subshell 533 # exit because we'll likely be called from a subshell
531 exit 1 534 exit 1
532} 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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