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Revision 1.24 Revision 1.54
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 1.24 2005/03/08 10:40:42 eradicator Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/multilib.eclass,v 1.54 2006/07/12 07:40:49 kevquinn 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=${CHOST_default:-${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 "$@"; }
192get_abi_FAKE_TARGETS() { get_abi_var FAKE_TARGETS "${@}"; } 200get_abi_FAKE_TARGETS() { get_abi_var FAKE_TARGETS "$@"; }
193get_abi_CDEFINE() { get_abi_var CDEFINE "${@}"; } 201get_abi_CDEFINE() { get_abi_var CDEFINE "$@"; }
194get_abi_LIBDIR() { get_abi_var LIBDIR "${@}"; } 202get_abi_LIBDIR() { get_abi_var LIBDIR "$@"; }
195 203
196# Return a list of the ABIs we want to install for with 204# Return a list of the ABIs we want to install for with
197# the last one in the list being the default. 205# the last one in the list being the default.
198get_install_abis() { 206get_install_abis() {
199 local order="" 207 local order=""
200 208
201 if [ -z "${MULTILIB_ABIS}" ]; then 209 if [[ -z ${MULTILIB_ABIS} ]] ; then
202 echo "default" 210 echo "default"
203 return 0 211 return 0
204 fi 212 fi
205 213
206 if hasq multilib-pkg-force ${RESTRICT} || 214 if hasq multilib-pkg-force ${RESTRICT} ||
207 { hasq multilib-pkg ${FEATURES} && hasq multilib-pkg ${RESTRICT}; }; then 215 { hasq multilib-pkg ${FEATURES} && hasq multilib-pkg ${RESTRICT}; }; then
208 for x in ${MULTILIB_ABIS}; do 216 for x in ${MULTILIB_ABIS} ; do
209 if [ "${x}" != "${DEFAULT_ABI}" ]; then 217 if [[ ${x} != "${DEFAULT_ABI}" ]] ; then
210 hasq ${x} ${ABI_DENY} || ordera="${ordera} ${x}" 218 hasq ${x} ${ABI_DENY} || ordera="${ordera} ${x}"
211 fi 219 fi
212 done 220 done
213 hasq ${DEFAULT_ABI} ${ABI_DENY} || order="${ordera} ${DEFAULT_ABI}" 221 hasq ${DEFAULT_ABI} ${ABI_DENY} || order="${ordera} ${DEFAULT_ABI}"
214 222
215 if [ -n "${ABI_ALLOW}" ]; then 223 if [[ -n ${ABI_ALLOW} ]] ; then
216 local ordera="" 224 local ordera=""
217 for x in ${order}; do 225 for x in ${order} ; do
218 if hasq ${x} ${ABI_ALLOW}; then 226 if hasq ${x} ${ABI_ALLOW} ; then
219 ordera="${ordera} ${x}" 227 ordera="${ordera} ${x}"
220 fi 228 fi
221 done 229 done
222 order="${ordera}" 230 order=${ordera}
223 fi 231 fi
224 else 232 else
225 order="${DEFAULT_ABI}" 233 order=${DEFAULT_ABI}
226 fi 234 fi
227 235
228 if [ -z "${order}" ]; then 236 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." 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."
230 fi 238 fi
231 239
232 echo ${order} 240 echo ${order}
233 return 0 241 return 0
236# Return a list of the ABIs supported by this profile. 244# Return a list of the ABIs supported by this profile.
237# the last one in the list being the default. 245# the last one in the list being the default.
238get_all_abis() { 246get_all_abis() {
239 local order="" 247 local order=""
240 248
241 if [ -z "${MULTILIB_ABIS}" ]; then 249 if [[ -z ${MULTILIB_ABIS} ]] ; then
242 echo "default" 250 echo "default"
243 return 0 251 return 0
244 fi 252 fi
245 253
246 for x in ${MULTILIB_ABIS}; do 254 for x in ${MULTILIB_ABIS}; do
247 if [ "${x}" != "${DEFAULT_ABI}" ]; then 255 if [[ ${x} != ${DEFAULT_ABI} ]] ; then
248 order="${order:+${order }}${x}" 256 order="${order:+${order} }${x}"
249 fi 257 fi
250 done 258 done
251 order="${order:+${order} }${DEFAULT_ABI}" 259 order="${order:+${order} }${DEFAULT_ABI}"
252 260
253 echo ${order} 261 echo ${order}
260get_all_libdirs() { 268get_all_libdirs() {
261 local libdirs="lib" 269 local libdirs="lib"
262 local abi 270 local abi
263 local dir 271 local dir
264 272
265 if has_multilib_profile; then 273 # Remove when amd64's 2004.3 is purged.
274 if [[ -n "${CONF_LIBDIR}" ]]; then
275 for dir in ${CONF_LIBDIR} ${CONF_MULTILIBDIR:-lib32}; do
276 [ "${dir}" != "lib" ] && libdirs="${libdirs} ${dir}"
277 done
278 else
266 for abi in ${MULTILIB_ABIS}; do 279 for abi in ${MULTILIB_ABIS}; do
267 [ "$(get_abi_LIBDIR ${abi})" != "lib" ] && libdirs="${libdirs} $(get_abi_LIBDIR ${abi})" 280 [ "$(get_abi_LIBDIR ${abi})" != "lib" ] && libdirs="${libdirs} $(get_abi_LIBDIR ${abi})"
268 done
269 elif [ -n "${CONF_LIBDIR}" ]; then
270 for dir in ${CONF_LIBDIR} ${CONF_MULTILIBDIR:-lib32}; do
271 [ "${dir}" != "lib" ] && libdirs="${libdirs} ${dir}"
272 done 281 done
273 fi 282 fi
274 283
275 echo "${libdirs}" 284 echo "${libdirs}"
276} 285}
280# if we're in the last (or only) run through src_{unpack,compile,install} 289# if we're in the last (or only) run through src_{unpack,compile,install}
281is_final_abi() { 290is_final_abi() {
282 has_multilib_profile || return 0 291 has_multilib_profile || return 0
283 local ALL_ABIS=$(get_install_abis) 292 local ALL_ABIS=$(get_install_abis)
284 local LAST_ABI=${ALL_ABIS/* /} 293 local LAST_ABI=${ALL_ABIS/* /}
285 [[ "${LAST_ABI}" == "${ABI}" ]] 294 [[ ${LAST_ABI} == ${ABI} ]]
286} 295}
287 296
288# echo the number of ABIs we will be installing for 297# echo the number of ABIs we will be installing for
289number_abis() { 298number_abis() {
290 get_install_abis | wc -w 299 get_install_abis | wc -w
294# include dir defaults to /usr/include 303# include dir defaults to /usr/include
295# ABI defaults to ${ABI} or ${DEFAULT_ABI} 304# ABI defaults to ${ABI} or ${DEFAULT_ABI}
296get_ml_incdir() { 305get_ml_incdir() {
297 local dir=/usr/include 306 local dir=/usr/include
298 307
299 if [[ ${#} -gt 0 ]]; then 308 if [[ $# -gt 0 ]]; then
300 incdir=${1} 309 incdir=$1
301 shift 310 shift
302 fi 311 fi
303 312
304 if [[ -z "${MULTILIB_ABIS}" ]]; then 313 if [[ -z "${MULTILIB_ABIS}" ]]; then
305 echo ${incdir} 314 echo ${incdir}
306 return 0 315 return 0
307 fi 316 fi
308 317
309 local abi=${ABI:-${DEFAULT_ABI}} 318 local abi=${ABI-${DEFAULT_ABI}}
310 if [[ ${#} -gt 0 ]]; then 319 if [[ $# -gt 0 ]]; then
311 abi=${1} 320 abi=$1
312 shift 321 shift
313 fi 322 fi
314 323
315 if [[ -d "${dir}/gentoo-multilib/${abi}" ]]; then 324 if [[ -d "${dir}/gentoo-multilib/${abi}" ]]; then
316 echo ${dir}/gentoo-multilib/${abi} 325 echo ${dir}/gentoo-multilib/${abi}
333# ... 342# ...
334# prep_ml_includes /usr/qt/3/include 343# prep_ml_includes /usr/qt/3/include
335# } 344# }
336 345
337prep_ml_includes() { 346prep_ml_includes() {
338 if [ $(number_abis) -gt 1 ]; then 347 if [[ $(number_abis) -gt 1 ]] ; then
339 local dir 348 local dir
340 local dirs 349 local dirs
341 local base 350 local base
342 351
343 if [ ${#} -eq 0 ]; then 352 if [[ $# -eq 0 ]] ; then
344 dirs="/usr/include" 353 dirs=/usr/include
345 else 354 else
346 dirs="${@}" 355 dirs="$@"
347 fi 356 fi
348 357
349 for dir in ${dirs}; do 358 for dir in ${dirs} ; do
350 base=${T}/gentoo-multilib/${dir}/gentoo-multilib 359 base=${T}/gentoo-multilib/${dir}/gentoo-multilib
351 mkdir -p ${base} 360 mkdir -p "${base}"
352 [ -d ${base}/${ABI} ] && rm -rf ${base}/${ABI} 361 [[ -d ${base}/${ABI} ]] && rm -rf "${base}/${ABI}"
353 mv ${D}/${dir} ${base}/${ABI} 362 mv "${D}/${dir}" "${base}/${ABI}"
354 done 363 done
355 364
356 if is_final_abi; then 365 if is_final_abi; then
357 base=${T}/gentoo-multilib 366 base=${T}/gentoo-multilib
358 pushd ${base} 367 pushd "${base}"
359 find . | tar -c -T - -f - | tar -x --no-same-owner -f - -C ${D} 368 find . | tar -c -T - -f - | tar -x --no-same-owner -f - -C ${D}
360 popd 369 popd
361 370
371 # This 'set' stuff is required by mips profiles to properly pass
372 # CDEFINE's (which have spaces) to sub-functions
373 set --
362 for dir in ${dirs}; do 374 for dir in ${dirs} ; do
363 local args=${dir} 375 set -- "$@" "${dir}"
364 local abi 376 local abi
365 for abi in $(get_install_abis); do 377 for abi in $(get_install_abis); do
366 args="${args} $(get_abi_CDEFINE ${abi}):${dir}/gentoo-multilib/${abi}" 378 set -- "$@" "$(get_abi_CDEFINE ${abi}):${dir}/gentoo-multilib/${abi}"
367 done 379 done
368 create_ml_includes ${args} 380 create_ml_includes "$@"
369 done 381 done
370 fi 382 fi
371 fi 383 fi
372} 384}
373 385
379# Ideas for this code came from debian's sparc-linux headers package. 391# Ideas for this code came from debian's sparc-linux headers package.
380# 392#
381# Example: 393# Example:
382# create_ml_includes /usr/include/asm __sparc__:/usr/include/asm-sparc __sparc64__:/usr/include/asm-sparc64 394# 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_64 395# create_ml_includes /usr/include/asm __i386__:/usr/include/asm-i386 __x86_64__:/usr/include/asm-x86_64
396#
397# Warning: Be careful with the ordering here. The default ABI has to be the
398# last, because it is always defined (by GCC)
384create_ml_includes() { 399create_ml_includes() {
385 local dest="${1}" 400 local dest=$1
386 shift 401 shift
387 local mlinfo="${@}"
388 local basedirs=$(create_ml_includes-listdirs ${mlinfo}) 402 local basedirs=$(create_ml_includes-listdirs "$@")
389 403
390 create_ml_includes-makedestdirs ${dest} ${basedirs} 404 create_ml_includes-makedestdirs ${dest} ${basedirs}
391 405
392 local file 406 local file
393 for file in $(create_ml_includes-allfiles ${basedirs}); do 407 for file in $(create_ml_includes-allfiles ${basedirs}) ; do
394 local name="$(echo $file | tr a-z A-Z | sed 's:[^A-Z]:_:g')" 408 #local name=$(echo ${file} | tr '[:lower:]' '[:upper:]' | sed 's:[^[:upper:]]:_:g')
395 { 409 (
396 echo "/* Common header file autogenerated by create_ml_includes in multilib.eclass */" 410 echo "/* Autogenerated by create_ml_includes() in multilib.eclass */"
397 411
398 local dir 412 local dir
399 for dir in ${basedirs}; do 413 for dir in ${basedirs}; do
400 if [ -f "${D}/${dir}/${file}" ]; then 414 if [[ -f ${D}/${dir}/${file} ]] ; then
415 echo ""
401 local sym=$(create_ml_includes-sym_for_dir ${dir} ${mlinfo}) 416 local sym=$(create_ml_includes-sym_for_dir ${dir} "$@")
417 if [[ ${sym/=} != "${sym}" ]] ; then
418 echo "#if ${sym}"
402 if [[ ${sym::1} == "!" ]]; then 419 elif [[ ${sym::1} == "!" ]] ; then
403 echo "#ifndef ${sym:1}" 420 echo "#ifndef ${sym:1}"
404 else 421 else
405 echo "#ifdef ${sym}" 422 echo "#ifdef ${sym}"
406 fi 423 fi
407 echo "#include \"$(create_ml_includes-relative_between ${dest}/$(dirname ${file}) ${dir}/${file})\"" 424 echo "# include <$(create_ml_includes-absolute ${dir}/${file})>"
408 echo "#endif /* ${sym} */" 425 echo "#endif /* ${sym} */"
409 echo ""
410 fi 426 fi
411 done 427 done
412 428
413 #echo "#endif /* __CREATE_ML_INCLUDES_STUB_${name}__ */" 429 #echo "#endif /* __CREATE_ML_INCLUDES_STUB_${name}__ */"
414 } > ${D}/${dest}/${file} 430 ) > "${D}/${dest}/${file}"
415 done 431 done
416} 432}
417 433
418# Helper function for create_ml_includes 434# Helper function for create_ml_includes
419create_ml_includes-relative_between() { 435create_ml_includes-absolute() {
420 local src="$(create_ml_includes-tidy_path ${1})"
421 local dst="$(create_ml_includes-tidy_path ${2})" 436 local dst="$(create_ml_includes-tidy_path $1)"
422 437
423 src=(${src//\// })
424 dst=(${dst//\// }) 438 dst=(${dst//\// })
425 439
426 local i 440 local i
427 for ((i=0; i<${#src[*]}; i++)); do 441 for ((i=0; i<${#dst[*]}; i++)); do
428 [ "${dst[i]}" != "${src[i]}" ] && break 442 [ "${dst[i]}" == "include" ] && break
429 done 443 done
430 444
431 local common=$i 445 local strip_upto=$i
432 446
433 for ((i=${#src[*]}; i>common; i--)); do
434 echo -n ../
435 done
436
437 for ((i=common; i<${#dst[*]}-1; i++)); do 447 for ((i=strip_upto+1; i<${#dst[*]}-1; i++)); do
438 echo -n ${dst[i]}/ 448 echo -n ${dst[i]}/
439 done 449 done
440 450
441 echo -n ${dst[i]} 451 echo -n ${dst[i]}
442} 452}
443 453
444# Helper function for create_ml_includes 454# Helper function for create_ml_includes
445create_ml_includes-tidy_path() { 455create_ml_includes-tidy_path() {
446 local removed="${1}" 456 local removed=$1
447 457
448 if [ -n "${removed}" ]; then 458 if [ -n "${removed}" ]; then
449 # Remove multiple slashes 459 # Remove multiple slashes
450 while [ "${removed}" != "${removed/\/\//\/}" ]; do 460 while [ "${removed}" != "${removed/\/\//\/}" ]; do
451 removed=${removed/\/\//\/} 461 removed=${removed/\/\//\/}
468 # Remove trailing .. 478 # Remove trailing ..
469 [ "${removed##*/}" = ".." ] && removed=${removed%/*/*} 479 [ "${removed##*/}" = ".." ] && removed=${removed%/*/*}
470 480
471 # Remove trailing / 481 # Remove trailing /
472 [ "${removed##*/}" = "" ] && removed=${removed%/*} 482 [ "${removed##*/}" = "" ] && removed=${removed%/*}
473 483
474 echo ${removed} 484 echo ${removed}
475 fi 485 fi
476} 486}
477 487
478# Helper function for create_ml_includes 488# Helper function for create_ml_includes
479create_ml_includes-listdirs() { 489create_ml_includes-listdirs() {
480 local dirs 490 local dirs
481 local data 491 local data
482 for data in ${@}; do 492 for data in "$@"; do
483 dirs="${dirs} ${data/*:/}" 493 dirs="${dirs} ${data/*:/}"
484 done 494 done
485 echo ${dirs:1} 495 echo ${dirs:1}
486} 496}
487 497
488# Helper function for create_ml_includes 498# Helper function for create_ml_includes
489create_ml_includes-makedestdirs() { 499create_ml_includes-makedestdirs() {
490 local dest=${1} 500 local dest=$1
491 shift 501 shift
492 local basedirs=${@} 502 local basedirs=$@
493 503
494 dodir ${dest} 504 dodir ${dest}
495 505
496 local basedir 506 local basedir
497 for basedir in ${basedirs}; do 507 for basedir in ${basedirs}; do
502 done 512 done
503} 513}
504 514
505# Helper function for create_ml_includes 515# Helper function for create_ml_includes
506create_ml_includes-allfiles() { 516create_ml_includes-allfiles() {
507 local basedirs=${@}
508
509 local basedir 517 local basedir file
510 for basedir in ${basedirs}; do 518 for basedir in "$@" ; do
511 local file
512 for file in $(find ${D}/${basedir} -type f); do 519 for file in $(find "${D}"/${basedir} -type f); do
513 echo ${file/${D}\/${basedir}\//} 520 echo ${file/${D}\/${basedir}\//}
514 done 521 done
515 done | sort | uniq 522 done | sort | uniq
516} 523}
517 524
518# Helper function for create_ml_includes 525# Helper function for create_ml_includes
519create_ml_includes-sym_for_dir() { 526create_ml_includes-sym_for_dir() {
520 local dir="${1}" 527 local dir=$1
521 shift 528 shift
522 local data 529 local data
523 for data in ${@}; do 530 for data in "$@"; do
524 if [ "${dir}" = "${data/*:/}" ]; then 531 if [[ ${data} == *:${dir} ]] ; then
525 echo ${data/:*/} 532 echo ${data/:*/}
526 return 0 533 return 0
527 fi 534 fi
528 done 535 done
529 echo "Shouldn't be here -- create_ml_includes-sym_for_dir ${1} ${@}" 536 echo "Shouldn't be here -- create_ml_includes-sym_for_dir $1 $@"
530 # exit because we'll likely be called from a subshell 537 # exit because we'll likely be called from a subshell
531 exit 1 538 exit 1
532} 539}
540
541get_libname() {
542 local libname
543 local ver=$1
544 case ${CHOST} in
545 *-darwin*) libname="dylib";;
546 *) libname="so";;
547 esac
548
549 if [[ -z $@ ]] ; then
550 echo ".${libname}"
551 else
552 for ver in "$@" ; do
553 case ${CHOST} in
554 *-darwin*) echo ".${ver}.${libname}";;
555 *) echo ".${libname}.${ver}";;
556 esac
557 done
558 fi
559}
560
561# This is for the toolchain to setup profile variables when pulling in
562# a crosscompiler (and thus they aren't set in the profile)
563multilib_env() {
564 local CTARGET=${1:-${CTARGET}}
565
566 case ${CTARGET} in
567 x86_64*)
568 export CFLAGS_x86=${CFLAGS_x86--m32}
569 export CHOST_x86=${CTARGET/x86_64/i686}
570 export CTARGET_x86=${CHOST_x86}
571 export CDEFINE_x86="__i386__"
572 export LIBDIR_x86="lib"
573
574 export CFLAGS_amd64=${CFLAGS_amd64--m64}
575 export CHOST_amd64=${CTARGET}
576 export CTARGET_amd64=${CTARGET_amd64}
577 export CDEFINE_amd64="__x86_64__"
578 export LIBDIR_amd64="lib64"
579
580 export MULTILIB_ABIS="amd64 x86"
581 export DEFAULT_ABI="amd64"
582 ;;
583 mips64*)
584 export CFLAGS_o32=${CFLAGS_o32--mabi=32}
585 export CHOST_o32=${CTARGET/mips64/mips}
586 export CTARGET_o32=${CHOST_o32}
587 export CDEFINE_o32="_MIPS_SIM == _ABIO32"
588 export LIBDIR_o32="lib"
589
590 export CFLAGS_n32=${CFLAGS_n32--mabi=n32}
591 export CHOST_n32=${CTARGET}
592 export CTARGET_n32=${CHOST_n32}
593 export CDEFINE_n32="_MIPS_SIM == _ABIN32"
594 export LIBDIR_n32="lib32"
595
596 export CFLAGS_n64=${CFLAGS_n64--mabi=64}
597 export CHOST_n64=${CTARGET}
598 export CTARGET_n64=${CHOST_n64}
599 export CDEFINE_n64="_MIPS_SIM == _ABI64"
600 export LIBDIR_n64="lib64"
601
602 export MULTILIB_ABIS="n64 n32 o32"
603 export DEFAULT_ABI="n32"
604 ;;
605 powerpc64*)
606 export CFLAGS_ppc=${CFLAGS_ppc--m32}
607 export CHOST_ppc=${CTARGET/powerpc64/powerpc}
608 export CTARGET_ppc=${CHOST_ppc}
609 export CDEFINE_ppc="!__powerpc64__"
610 export LIBDIR_ppc="lib"
611
612 export CFLAGS_ppc64=${CFLAGS_ppc64--m64}
613 export CHOST_ppc64=${CTARGET}
614 export CTARGET_ppc64=${CHOST_ppc64}
615 export CDEFINE_ppc64="__powerpc64__"
616 export LIBDIR_ppc64="lib64"
617
618 export MULTILIB_ABIS="ppc64 ppc"
619 export DEFAULT_ABI="ppc64"
620 ;;
621 s390x*)
622 export CFLAGS_s390=${CFLAGS_s390--m31} # the 31 is not a typo
623 export CHOST_s390=${CTARGET/s390x/s390}
624 export CTARGET_s390=${CHOST_s390}
625 export CDEFINE_s390="!__s390x__"
626 export LIBDIR_s390="lib"
627
628 export CFLAGS_s390x=${CFLAGS_s390x--m64}
629 export CHOST_s390x=${CTARGET}
630 export CTARGET_s390x=${CHOST_s390x}
631 export CDEFINE_s390x="__s390x__"
632 export LIBDIR_s390x="lib64"
633
634 export MULTILIB_ABIS="s390x s390"
635 export DEFAULT_ABI="s390x"
636 ;;
637 sparc64*)
638 export CFLAGS_sparc32=${CFLAGS_sparc32--m32}
639 export CHOST_sparc32=${CTARGET/sparc64/sparc}
640 export CTARGET_sparc32=${CHOST_sparc32}
641 export CDEFINE_sparc32="!__arch64__"
642 export LIBDIR_sparc32="lib"
643
644 export CFLAGS_sparc64=${CFLAGS_sparc64--m64}
645 export CHOST_sparc64=${CTARGET}
646 export CTARGET_sparc64=${CHOST_sparc64}
647 export CDEFINE_sparc64="__arch64__"
648 export LIBDIR_sparc64="lib64"
649
650 export MULTILIB_ABIS="sparc64 sparc32"
651 export DEFAULT_ABI="sparc64"
652 ;;
653 *)
654 export MULTILIB_ABIS="default"
655 export DEFAULT_ABI="default"
656 ;;
657 esac
658}
659
660# Hide multilib details here for packages which are forced to be compiled for a
661# specific ABI when run on another ABI (like x86-specific packages on amd64)
662multilib_toolchain_setup() {
663 if has_version app-admin/eselect-compiler ; then
664 # Binutils doesn't have wrappers for ld and as (yet). Eventually it
665 # will, and all this can just be handled with CHOST.
666 export LD="ld $(get_abi_LDFLAGS $1)"
667 export AS="as $(get_abi_ASFLAGS $1)"
668
669 export CHOST=$(get_abi_CHOST $1)
670 export CBUILD=$(get_abi_CHOST $1)
671 else
672 tc-export CC
673 export ABI=$1
674 fi
675}

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