/[gentoo-x86]/eclass/multilib.eclass
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Revision 1.22 Revision 1.57
1# Copyright 1999-2004 Gentoo Foundation 1# Copyright 1999-2004 Gentoo Foundation
2# Distributed under the terms of the GNU General Public License v2 2# Distributed under the terms of the GNU General Public License v2
3# $Header: /var/cvsroot/gentoo-x86/eclass/multilib.eclass,v 1.22 2005/02/14 11:33:11 eradicator Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/multilib.eclass,v 1.57 2006/10/13 16:50:53 blubb Exp $
4# 4#
5# Author: Jeremy Huddleston <eradicator@gentoo.org> 5# Author: Jeremy Huddleston <eradicator@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
10ECLASS=multilib
11INHERITED="$INHERITED $ECLASS"
12 9
13DESCRIPTION="Based on the ${ECLASS} eclass" 10DESCRIPTION="Based on the ${ECLASS} eclass"
14 11
15# has_multilib_profile: 12# has_multilib_profile:
16# Return true if the current profile is a multilib profile and lists more than 13# Return true if the current profile is a multilib profile and lists more than
84# 81#
85# Example: 82# Example:
86# create_ml_includes /usr/include/asm __sparc__:/usr/include/asm-sparc __sparc64__:/usr/include/asm-sparc64 83# 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 84# create_ml_includes /usr/include/asm __i386__:/usr/include/asm-i386 __x86_64__:/usr/include/asm-x86_64
88 85
86# get_libname [version]
87# returns libname with proper suffix {.so,.dylib} and optionally supplied version
88# for ELF/MACH-O shared objects
89#
90# Example:
91# get_libname libfoo ${PV}
92# Returns: libfoo.so.${PV} (ELF) || libfoo.${PV}.dylib (MACH)
93
89### END DOCUMENTATION ### 94### END DOCUMENTATION ###
90 95
91# Defaults: 96# Defaults:
92export MULTILIB_ABIS=${MULTILIB_ABIS:-"default"} 97export MULTILIB_ABIS=${MULTILIB_ABIS:-"default"}
93export DEFAULT_ABI=${DEFAULT_ABI:-"default"} 98export DEFAULT_ABI=${DEFAULT_ABI:-"default"}
94export ABI=${ABI:-"default"}
95export CFLAGS_default="" 99export CFLAGS_default
96export LDFLAGS_default="" 100export LDFLAGS_default
97export CHOST_default=${CHOST} 101export CHOST_default=${CHOST_default:-${CHOST}}
102export CTARGET_default=${CTARGET_default:-${CTARGET:-${CHOST_default}}}
98export LIBDIR_default=${CONF_LIBDIR:-"lib"} 103export LIBDIR_default=${CONF_LIBDIR:-"lib"}
99export CDEFINE_default="__unix__" 104export CDEFINE_default="__unix__"
105export KERNEL_ABI=${KERNEL_ABI:-${DEFAULT_ABI}}
100 106
101# has_multilib_profile() 107# has_multilib_profile()
102has_multilib_profile() { 108has_multilib_profile() {
103 [ -n "${MULTILIB_ABIS}" -a "${MULTILIB_ABIS}" != "${MULTILIB_ABIS/ /}" ] 109 [ -n "${MULTILIB_ABIS}" -a "${MULTILIB_ABIS}" != "${MULTILIB_ABIS/ /}" ]
104} 110}
168# If <ABI> is not specified and ${ABI} is not defined, ${DEFAULT_ABI} is used. 174# 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. 175# If <ABI> is not specified and ${ABI} and ${DEFAULT_ABI} are not defined, we return an empty string.
170# 176#
171# Jeremy Huddleston <eradicator@gentoo.org> 177# Jeremy Huddleston <eradicator@gentoo.org>
172get_abi_var() { 178get_abi_var() {
173 local flag=${1} 179 local flag=$1
174 local abi 180 local abi
175 if [ $# -gt 1 ]; then 181 if [ $# -gt 1 ]; then
176 abi=${2} 182 abi=${2}
177 elif [ -n "${ABI}" ]; then 183 elif [ -n "${ABI}" ]; then
178 abi=${ABI} 184 abi=${ABI}
184 190
185 local var="${flag}_${abi}" 191 local var="${flag}_${abi}"
186 echo ${!var} 192 echo ${!var}
187} 193}
188 194
189get_abi_CFLAGS() { get_abi_var CFLAGS "${@}"; } 195get_abi_CFLAGS() { get_abi_var CFLAGS "$@"; }
196get_abi_ASFLAGS() { get_abi_var ASFLAGS "$@"; }
190get_abi_LDFLAGS() { get_abi_var LDFLAGS "${@}"; } 197get_abi_LDFLAGS() { get_abi_var LDFLAGS "$@"; }
191get_abi_CHOST() { get_abi_var CHOST "${@}"; } 198get_abi_CHOST() { get_abi_var CHOST "$@"; }
199get_abi_CTARGET() { get_abi_var CTARGET "$@"; }
200get_abi_FAKE_TARGETS() { get_abi_var FAKE_TARGETS "$@"; }
192get_abi_CDEFINE() { get_abi_var CDEFINE "${@}"; } 201get_abi_CDEFINE() { get_abi_var CDEFINE "$@"; }
193get_abi_LIBDIR() { get_abi_var LIBDIR "${@}"; } 202get_abi_LIBDIR() { get_abi_var LIBDIR "$@"; }
194 203
195# Return a list of the ABIs we want to install for with 204# Return a list of the ABIs we want to install for with
196# the last one in the list being the default. 205# the last one in the list being the default.
197get_install_abis() { 206get_install_abis() {
198 local order="" 207 local order=""
199 208
200 if [ -z "${MULTILIB_ABIS}" ]; then 209 if [[ -z ${MULTILIB_ABIS} ]] ; then
201 echo "default" 210 echo "default"
202 return 0 211 return 0
203 fi 212 fi
204 213
205 if hasq multilib-pkg-force ${RESTRICT} || 214 if hasq multilib-pkg-force ${RESTRICT} ||
206 { hasq multilib-pkg ${FEATURES} && hasq multilib-pkg ${RESTRICT}; }; then 215 { hasq multilib-pkg ${FEATURES} && hasq multilib-pkg ${RESTRICT}; }; then
207 for x in ${MULTILIB_ABIS}; do 216 for x in ${MULTILIB_ABIS} ; do
208 if [ "${x}" != "${DEFAULT_ABI}" ]; then 217 if [[ ${x} != "${DEFAULT_ABI}" ]] ; then
209 hasq ${x} ${ABI_DENY} || ordera="${ordera} ${x}" 218 hasq ${x} ${ABI_DENY} || ordera="${ordera} ${x}"
210 fi 219 fi
211 done 220 done
212 hasq ${DEFAULT_ABI} ${ABI_DENY} || order="${ordera} ${DEFAULT_ABI}" 221 hasq ${DEFAULT_ABI} ${ABI_DENY} || order="${ordera} ${DEFAULT_ABI}"
213 222
214 if [ -n "${ABI_ALLOW}" ]; then 223 if [[ -n ${ABI_ALLOW} ]] ; then
215 local ordera="" 224 local ordera=""
216 for x in ${order}; do 225 for x in ${order} ; do
217 if hasq ${x} ${ABI_ALLOW}; then 226 if hasq ${x} ${ABI_ALLOW} ; then
218 ordera="${ordera} ${x}" 227 ordera="${ordera} ${x}"
219 fi 228 fi
220 done 229 done
221 order="${ordera}" 230 order=${ordera}
222 fi 231 fi
223 else 232 else
224 order="${DEFAULT_ABI}" 233 order=${DEFAULT_ABI}
225 fi 234 fi
226 235
227 if [ -z "${order}" ]; then 236 if [[ -z ${order} ]] ; then
228 die "The ABI list is empty. Are you using a proper multilib profile? Perhaps your USE flags or MULTILIB_ABIS are too restrictive for this package." 237 die "The ABI list is empty. Are you using a proper multilib profile? Perhaps your USE flags or MULTILIB_ABIS are too restrictive for this package."
229 fi 238 fi
230 239
231 echo ${order} 240 echo ${order}
232 return 0 241 return 0
235# Return a list of the ABIs supported by this profile. 244# Return a list of the ABIs supported by this profile.
236# the last one in the list being the default. 245# the last one in the list being the default.
237get_all_abis() { 246get_all_abis() {
238 local order="" 247 local order=""
239 248
240 if [ -z "${MULTILIB_ABIS}" ]; then 249 if [[ -z ${MULTILIB_ABIS} ]] ; then
241 echo "default" 250 echo "default"
242 return 0 251 return 0
243 fi 252 fi
244 253
245 for x in ${MULTILIB_ABIS}; do 254 for x in ${MULTILIB_ABIS}; do
246 if [ "${x}" != "${DEFAULT_ABI}" ]; then 255 if [[ ${x} != ${DEFAULT_ABI} ]] ; then
247 order="${order:+${order }}${x}" 256 order="${order:+${order} }${x}"
248 fi 257 fi
249 done 258 done
250 order="${order:+${order} }${DEFAULT_ABI}" 259 order="${order:+${order} }${DEFAULT_ABI}"
251 260
252 echo ${order} 261 echo ${order}
259get_all_libdirs() { 268get_all_libdirs() {
260 local libdirs="lib" 269 local libdirs="lib"
261 local abi 270 local abi
262 local dir 271 local dir
263 272
264 if has_multilib_profile; then
265 for abi in ${MULTILIB_ABIS}; do 273 for abi in ${MULTILIB_ABIS}; do
266 [ "$(get_abi_LIBDIR ${abi})" != "lib" ] && libdirs="${libdirs} $(get_abi_LIBDIR ${abi})" 274 [ "$(get_abi_LIBDIR ${abi})" != "lib" ] && libdirs="${libdirs} $(get_abi_LIBDIR ${abi})"
267 done 275 done
268 elif [ -n "${CONF_LIBDIR}" ]; then
269 for dir in ${CONF_LIBDIR} ${CONF_MULTILIBDIR:-lib32}; do
270 [ "${dir}" != "lib" ] && libdirs="${libdirs} ${dir}"
271 done
272 fi
273 276
274 echo "${libdirs}" 277 echo "${libdirs}"
275} 278}
276 279
277# Return true if ${ABI} is the last ABI on our list (or if we're not 280# Return true if ${ABI} is the last ABI on our list (or if we're not
278# using the new multilib configuration. This can be used to determine 281# using the new multilib configuration. This can be used to determine
279# if we're in the last (or only) run through src_{unpack,compile,install} 282# if we're in the last (or only) run through src_{unpack,compile,install}
280is_final_abi() { 283is_final_abi() {
281 ! has_multilib_profile && return 0 284 has_multilib_profile || return 0
282 local ALL_ABIS=$(get_install_abis) 285 local ALL_ABIS=$(get_install_abis)
283 local LAST_ABI=${ALL_ABIS/* /} 286 local LAST_ABI=${ALL_ABIS/* /}
284 [ "${LAST_ABI}" = "${ABI}" ] 287 [[ ${LAST_ABI} == ${ABI} ]]
285} 288}
286 289
287# echo the number of ABIs we will be installing for 290# echo the number of ABIs we will be installing for
288number_abis() { 291number_abis() {
289 get_install_abis | wc -w 292 get_install_abis | wc -w
293# include dir defaults to /usr/include 296# include dir defaults to /usr/include
294# ABI defaults to ${ABI} or ${DEFAULT_ABI} 297# ABI defaults to ${ABI} or ${DEFAULT_ABI}
295get_ml_incdir() { 298get_ml_incdir() {
296 local dir=/usr/include 299 local dir=/usr/include
297 300
298 if [[ ${#} -gt 0 ]]; then 301 if [[ $# -gt 0 ]]; then
299 incdir=${1} 302 incdir=$1
300 shift 303 shift
301 fi 304 fi
302 305
303 if [[ -z "${MULTILIB_ABIS}" ]]; then 306 if [[ -z "${MULTILIB_ABIS}" ]]; then
304 echo ${incdir} 307 echo ${incdir}
305 return 0 308 return 0
306 fi 309 fi
307 310
308 local abi=${ABI:-${DEFAULT_ABI}} 311 local abi=${ABI-${DEFAULT_ABI}}
309 if [[ ${#} -gt 0 ]]; then 312 if [[ $# -gt 0 ]]; then
310 abi=${1} 313 abi=$1
311 shift 314 shift
312 fi 315 fi
313 316
314 if [[ -d "${dir}/gentoo-multilib/${abi}" ]]; then 317 if [[ -d "${dir}/gentoo-multilib/${abi}" ]]; then
315 echo ${dir}/gentoo-multilib/${abi} 318 echo ${dir}/gentoo-multilib/${abi}
332# ... 335# ...
333# prep_ml_includes /usr/qt/3/include 336# prep_ml_includes /usr/qt/3/include
334# } 337# }
335 338
336prep_ml_includes() { 339prep_ml_includes() {
337 if [ $(number_abis) -gt 1 ]; then 340 if [[ $(number_abis) -gt 1 ]] ; then
338 local dir 341 local dir
339 local dirs 342 local dirs
340 local base 343 local base
341 344
342 if [ ${#} -eq 0 ]; then 345 if [[ $# -eq 0 ]] ; then
343 dirs="/usr/include" 346 dirs=/usr/include
344 else 347 else
345 dirs="${@}" 348 dirs="$@"
346 fi 349 fi
347 350
348 for dir in ${dirs}; do 351 for dir in ${dirs} ; do
349 base=${T}/gentoo-multilib/${dir}/gentoo-multilib 352 base=${T}/gentoo-multilib/${dir}/gentoo-multilib
350 mkdir -p ${base} 353 mkdir -p "${base}"
351 [ -d ${base}/${ABI} ] && rm -rf ${base}/${ABI} 354 [[ -d ${base}/${ABI} ]] && rm -rf "${base}/${ABI}"
352 mv ${D}/${dir} ${base}/${ABI} 355 mv "${D}/${dir}" "${base}/${ABI}"
353 done 356 done
354 357
355 if is_final_abi; then 358 if is_final_abi; then
356 base=${T}/gentoo-multilib 359 base=${T}/gentoo-multilib
357 pushd ${base} 360 pushd "${base}"
358 find . | tar -c -T - -f - | tar -x --no-same-owner -f - -C ${D} 361 find . | tar -c -T - -f - | tar -x --no-same-owner -f - -C ${D}
359 popd 362 popd
360 363
364 # This 'set' stuff is required by mips profiles to properly pass
365 # CDEFINE's (which have spaces) to sub-functions
366 set --
361 for dir in ${dirs}; do 367 for dir in ${dirs} ; do
362 local args=${dir} 368 set -- "$@" "${dir}"
363 local abi 369 local abi
364 for abi in $(get_install_abis); do 370 for abi in $(get_install_abis); do
365 args="${args} $(get_abi_CDEFINE ${abi}):${dir}/gentoo-multilib/${abi}" 371 set -- "$@" "$(get_abi_CDEFINE ${abi}):${dir}/gentoo-multilib/${abi}"
366 done 372 done
367 create_ml_includes ${args} 373 create_ml_includes "$@"
368 done 374 done
369 fi 375 fi
370 fi 376 fi
371} 377}
372 378
378# Ideas for this code came from debian's sparc-linux headers package. 384# Ideas for this code came from debian's sparc-linux headers package.
379# 385#
380# Example: 386# Example:
381# create_ml_includes /usr/include/asm __sparc__:/usr/include/asm-sparc __sparc64__:/usr/include/asm-sparc64 387# create_ml_includes /usr/include/asm __sparc__:/usr/include/asm-sparc __sparc64__:/usr/include/asm-sparc64
382# create_ml_includes /usr/include/asm __i386__:/usr/include/asm-i386 __x86_64__:/usr/include/asm-x86_64 388# create_ml_includes /usr/include/asm __i386__:/usr/include/asm-i386 __x86_64__:/usr/include/asm-x86_64
389#
390# Warning: Be careful with the ordering here. The default ABI has to be the
391# last, because it is always defined (by GCC)
383create_ml_includes() { 392create_ml_includes() {
384 local dest="${1}" 393 local dest=$1
385 shift 394 shift
386 local mlinfo="${@}"
387 local basedirs=$(create_ml_includes-listdirs ${mlinfo}) 395 local basedirs=$(create_ml_includes-listdirs "$@")
388 396
389 create_ml_includes-makedestdirs ${dest} ${basedirs} 397 create_ml_includes-makedestdirs ${dest} ${basedirs}
390 398
391 local file 399 local file
392 for file in $(create_ml_includes-allfiles ${basedirs}); do 400 for file in $(create_ml_includes-allfiles ${basedirs}) ; do
393 local name="$(echo $file | tr a-z A-Z | sed 's:[^A-Z]:_:g')" 401 #local name=$(echo ${file} | tr '[:lower:]' '[:upper:]' | sed 's:[^[:upper:]]:_:g')
394 { 402 (
395 echo "/* Common header file autogenerated by create_ml_includes in multilib.eclass */" 403 echo "/* Autogenerated by create_ml_includes() in multilib.eclass */"
396 404
397 local dir 405 local dir
398 for dir in ${basedirs}; do 406 for dir in ${basedirs}; do
399 if [ -f "${D}/${dir}/${file}" ]; then 407 if [[ -f ${D}/${dir}/${file} ]] ; then
408 echo ""
400 local sym=$(create_ml_includes-sym_for_dir ${dir} ${mlinfo}) 409 local sym=$(create_ml_includes-sym_for_dir ${dir} "$@")
410 if [[ ${sym/=} != "${sym}" ]] ; then
411 echo "#if ${sym}"
401 if [[ ${sym::1} == "!" ]]; then 412 elif [[ ${sym::1} == "!" ]] ; then
402 echo "#ifndef ${sym:1}" 413 echo "#ifndef ${sym:1}"
403 else 414 else
404 echo "#ifdef ${sym}" 415 echo "#ifdef ${sym}"
405 fi 416 fi
406 echo "#include \"$(create_ml_includes-relative_between ${dest}/$(dirname ${file}) ${dir}/${file})\"" 417 echo "# include <$(create_ml_includes-absolute ${dir}/${file})>"
407 echo "#endif /* ${sym} */" 418 echo "#endif /* ${sym} */"
408 echo ""
409 fi 419 fi
410 done 420 done
411 421
412 #echo "#endif /* __CREATE_ML_INCLUDES_STUB_${name}__ */" 422 #echo "#endif /* __CREATE_ML_INCLUDES_STUB_${name}__ */"
413 } > ${D}/${dest}/${file} 423 ) > "${D}/${dest}/${file}"
414 done 424 done
415} 425}
416 426
417# Helper function for create_ml_includes 427# Helper function for create_ml_includes
418create_ml_includes-relative_between() { 428create_ml_includes-absolute() {
419 local src="$(create_ml_includes-tidy_path ${1})"
420 local dst="$(create_ml_includes-tidy_path ${2})" 429 local dst="$(create_ml_includes-tidy_path $1)"
421 430
422 src=(${src//\// })
423 dst=(${dst//\// }) 431 dst=(${dst//\// })
424 432
425 local i 433 local i
426 for ((i=0; i<${#src[*]}; i++)); do 434 for ((i=0; i<${#dst[*]}; i++)); do
427 [ "${dst[i]}" != "${src[i]}" ] && break 435 [ "${dst[i]}" == "include" ] && break
428 done 436 done
429 437
430 local common=$i 438 local strip_upto=$i
431 439
432 for ((i=${#src[*]}; i>common; i--)); do
433 echo -n ../
434 done
435
436 for ((i=common; i<${#dst[*]}-1; i++)); do 440 for ((i=strip_upto+1; i<${#dst[*]}-1; i++)); do
437 echo -n ${dst[i]}/ 441 echo -n ${dst[i]}/
438 done 442 done
439 443
440 echo -n ${dst[i]} 444 echo -n ${dst[i]}
441} 445}
442 446
443# Helper function for create_ml_includes 447# Helper function for create_ml_includes
444create_ml_includes-tidy_path() { 448create_ml_includes-tidy_path() {
445 local removed="${1}" 449 local removed=$1
446 450
447 if [ -n "${removed}" ]; then 451 if [ -n "${removed}" ]; then
448 # Remove multiple slashes 452 # Remove multiple slashes
449 while [ "${removed}" != "${removed/\/\//\/}" ]; do 453 while [ "${removed}" != "${removed/\/\//\/}" ]; do
450 removed=${removed/\/\//\/} 454 removed=${removed/\/\//\/}
467 # Remove trailing .. 471 # Remove trailing ..
468 [ "${removed##*/}" = ".." ] && removed=${removed%/*/*} 472 [ "${removed##*/}" = ".." ] && removed=${removed%/*/*}
469 473
470 # Remove trailing / 474 # Remove trailing /
471 [ "${removed##*/}" = "" ] && removed=${removed%/*} 475 [ "${removed##*/}" = "" ] && removed=${removed%/*}
472 476
473 echo ${removed} 477 echo ${removed}
474 fi 478 fi
475} 479}
476 480
477# Helper function for create_ml_includes 481# Helper function for create_ml_includes
478create_ml_includes-listdirs() { 482create_ml_includes-listdirs() {
479 local dirs 483 local dirs
480 local data 484 local data
481 for data in ${@}; do 485 for data in "$@"; do
482 dirs="${dirs} ${data/*:/}" 486 dirs="${dirs} ${data/*:/}"
483 done 487 done
484 echo ${dirs:1} 488 echo ${dirs:1}
485} 489}
486 490
487# Helper function for create_ml_includes 491# Helper function for create_ml_includes
488create_ml_includes-makedestdirs() { 492create_ml_includes-makedestdirs() {
489 local dest=${1} 493 local dest=$1
490 shift 494 shift
491 local basedirs=${@} 495 local basedirs=$@
492 496
493 dodir ${dest} 497 dodir ${dest}
494 498
495 local basedir 499 local basedir
496 for basedir in ${basedirs}; do 500 for basedir in ${basedirs}; do
501 done 505 done
502} 506}
503 507
504# Helper function for create_ml_includes 508# Helper function for create_ml_includes
505create_ml_includes-allfiles() { 509create_ml_includes-allfiles() {
506 local basedirs=${@}
507
508 local basedir 510 local basedir file
509 for basedir in ${basedirs}; do 511 for basedir in "$@" ; do
510 local file
511 for file in $(find ${D}/${basedir} -type f); do 512 for file in $(find "${D}"/${basedir} -type f); do
512 echo ${file/${D}\/${basedir}\//} 513 echo ${file/${D}\/${basedir}\//}
513 done 514 done
514 done | sort | uniq 515 done | sort | uniq
515} 516}
516 517
517# Helper function for create_ml_includes 518# Helper function for create_ml_includes
518create_ml_includes-sym_for_dir() { 519create_ml_includes-sym_for_dir() {
519 local dir="${1}" 520 local dir=$1
520 shift 521 shift
521 local data 522 local data
522 for data in ${@}; do 523 for data in "$@"; do
523 if [ "${dir}" = "${data/*:/}" ]; then 524 if [[ ${data} == *:${dir} ]] ; then
524 echo ${data/:*/} 525 echo ${data/:*/}
525 return 0 526 return 0
526 fi 527 fi
527 done 528 done
528 echo "Shouldn't be here -- create_ml_includes-sym_for_dir ${1} ${@}" 529 echo "Shouldn't be here -- create_ml_includes-sym_for_dir $1 $@"
529 # exit because we'll likely be called from a subshell 530 # exit because we'll likely be called from a subshell
530 exit 1 531 exit 1
531} 532}
533
534get_libname() {
535 local libname
536 local ver=$1
537 case ${CHOST} in
538 *-darwin*) libname="dylib";;
539 *) libname="so";;
540 esac
541
542 if [[ -z $@ ]] ; then
543 echo ".${libname}"
544 else
545 for ver in "$@" ; do
546 case ${CHOST} in
547 *-darwin*) echo ".${ver}.${libname}";;
548 *) echo ".${libname}.${ver}";;
549 esac
550 done
551 fi
552}
553
554# This is for the toolchain to setup profile variables when pulling in
555# a crosscompiler (and thus they aren't set in the profile)
556multilib_env() {
557 local CTARGET=${1:-${CTARGET}}
558
559 case ${CTARGET} in
560 x86_64*)
561 export CFLAGS_x86=${CFLAGS_x86--m32}
562 export CHOST_x86=${CTARGET/x86_64/i686}
563 export CTARGET_x86=${CHOST_x86}
564 export CDEFINE_x86="__i386__"
565 export LIBDIR_x86="lib"
566
567 export CFLAGS_amd64=${CFLAGS_amd64--m64}
568 export CHOST_amd64=${CTARGET}
569 export CTARGET_amd64=${CHOST_amd64}
570 export CDEFINE_amd64="__x86_64__"
571 export LIBDIR_amd64="lib64"
572
573 export MULTILIB_ABIS="amd64 x86"
574 export DEFAULT_ABI="amd64"
575 ;;
576 mips64*)
577 export CFLAGS_o32=${CFLAGS_o32--mabi=32}
578 export CHOST_o32=${CTARGET/mips64/mips}
579 export CTARGET_o32=${CHOST_o32}
580 export CDEFINE_o32="_MIPS_SIM == _ABIO32"
581 export LIBDIR_o32="lib"
582
583 export CFLAGS_n32=${CFLAGS_n32--mabi=n32}
584 export CHOST_n32=${CTARGET}
585 export CTARGET_n32=${CHOST_n32}
586 export CDEFINE_n32="_MIPS_SIM == _ABIN32"
587 export LIBDIR_n32="lib32"
588
589 export CFLAGS_n64=${CFLAGS_n64--mabi=64}
590 export CHOST_n64=${CTARGET}
591 export CTARGET_n64=${CHOST_n64}
592 export CDEFINE_n64="_MIPS_SIM == _ABI64"
593 export LIBDIR_n64="lib64"
594
595 export MULTILIB_ABIS="n64 n32 o32"
596 export DEFAULT_ABI="n32"
597 ;;
598 powerpc64*)
599 export CFLAGS_ppc=${CFLAGS_ppc--m32}
600 export CHOST_ppc=${CTARGET/powerpc64/powerpc}
601 export CTARGET_ppc=${CHOST_ppc}
602 export CDEFINE_ppc="!__powerpc64__"
603 export LIBDIR_ppc="lib"
604
605 export CFLAGS_ppc64=${CFLAGS_ppc64--m64}
606 export CHOST_ppc64=${CTARGET}
607 export CTARGET_ppc64=${CHOST_ppc64}
608 export CDEFINE_ppc64="__powerpc64__"
609 export LIBDIR_ppc64="lib64"
610
611 export MULTILIB_ABIS="ppc64 ppc"
612 export DEFAULT_ABI="ppc64"
613 ;;
614 s390x*)
615 export CFLAGS_s390=${CFLAGS_s390--m31} # the 31 is not a typo
616 export CHOST_s390=${CTARGET/s390x/s390}
617 export CTARGET_s390=${CHOST_s390}
618 export CDEFINE_s390="!__s390x__"
619 export LIBDIR_s390="lib"
620
621 export CFLAGS_s390x=${CFLAGS_s390x--m64}
622 export CHOST_s390x=${CTARGET}
623 export CTARGET_s390x=${CHOST_s390x}
624 export CDEFINE_s390x="__s390x__"
625 export LIBDIR_s390x="lib64"
626
627 export MULTILIB_ABIS="s390x s390"
628 export DEFAULT_ABI="s390x"
629 ;;
630 sparc64*)
631 export CFLAGS_sparc32=${CFLAGS_sparc32--m32}
632 export CHOST_sparc32=${CTARGET/sparc64/sparc}
633 export CTARGET_sparc32=${CHOST_sparc32}
634 export CDEFINE_sparc32="!__arch64__"
635 export LIBDIR_sparc32="lib"
636
637 export CFLAGS_sparc64=${CFLAGS_sparc64--m64}
638 export CHOST_sparc64=${CTARGET}
639 export CTARGET_sparc64=${CHOST_sparc64}
640 export CDEFINE_sparc64="__arch64__"
641 export LIBDIR_sparc64="lib64"
642
643 export MULTILIB_ABIS="sparc64 sparc32"
644 export DEFAULT_ABI="sparc64"
645 ;;
646 *)
647 export MULTILIB_ABIS="default"
648 export DEFAULT_ABI="default"
649 ;;
650 esac
651}
652
653# Hide multilib details here for packages which are forced to be compiled for a
654# specific ABI when run on another ABI (like x86-specific packages on amd64)
655multilib_toolchain_setup() {
656 export ABI=$1
657
658 if has_version app-admin/eselect-compiler ; then
659 # Binutils doesn't have wrappers for ld and as (yet). Eventually it
660 # will, and all this can just be handled with CHOST.
661 export LD="ld $(get_abi_LDFLAGS $1)"
662 export AS="as $(get_abi_ASFLAGS $1)"
663
664 export CHOST=$(get_abi_CHOST $1)
665 export CBUILD=$(get_abi_CHOST $1)
666 else
667 tc-export CC
668 fi
669}

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