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Revision 1.61 - (show annotations) (download)
Tue Jun 5 18:21:00 2007 UTC (7 years, 1 month ago) by cardoe
Branch: MAIN
Changes since 1.60: +4 -6 lines
Clean up multilib eclass after discussions with KingTaco and marienz about the requirements for ati-drivers and nvidia-drivers.

1 # Copyright 1999-2007 Gentoo Foundation
2 # Distributed under the terms of the GNU General Public License v2
3 # $Header: /var/cvsroot/gentoo-x86/eclass/multilib.eclass,v 1.60 2007/03/27 01:46:50 vapier Exp $
4 #
5 # Maintainer: amd64@gentoo.org / toolchain@gentoo.org
6 #
7 # This eclass is for all functions pertaining to handling multilib.
8 # configurations.
9
10 ___ECLASS_RECUR_MULTILIB="yes"
11 [[ -z ${___ECLASS_RECUR_TOOLCHAIN_FUNCS} ]] && inherit toolchain-funcs
12
13 # has_multilib_profile:
14 # Return true if the current profile is a multilib profile and lists more than
15 # one abi in ${MULTILIB_ABIS}. When has_multilib_profile returns true, that
16 # profile should enable the 'multilib' use flag. This is so you can DEPEND on
17 # a package only for multilib or not multilib.
18
19 # is_final_abi:
20 # Return true if ${ABI} is the final abi to be installed (and thus we are
21 # on our last run through a src_* function.
22
23 # number_abis:
24 # echo the number of ABIs we will be installing for
25
26 # get_install_abis:
27 # Return a list of the ABIs we want to install for with
28 # the last one in the list being the default.
29
30 # get_all_abis:
31 # Return a list of the ABIs supported by this profile.
32 # the last one in the list being the default.
33
34 # get_all_libdirs:
35 # Returns a list of all the libdirs used by this profile. This includes
36 # those that might not be touched by the current ebuild and always includes
37 # "lib".
38
39 # get_libdir:
40 # Returns the libdir for the selected ABI. This is backwards compatible
41 # and simply calls get_abi_LIBDIR() on newer profiles. You should use this
42 # to determine where to install shared objects (ex: /usr/$(get_libdir))
43
44 # get_abi_var <VAR> [<ABI>]:
45 # returns the value of ${<VAR>_<ABI>} which should be set in make.defaults
46 #
47 # get_abi_CFLAGS:
48 # get_abi_CDEFINE:
49 # get_abi_LIBDIR:
50 # Aliases for 'get_abi_var CFLAGS', etc.
51
52 # get_ml_incdir [<include dir> [<ABI>]]
53 # include dir defaults to /usr/include
54 # ABI defaults to ${ABI} or ${DEFAULT_ABI}
55 #
56 # If a multilib include dir is associated with the passed include dir, then
57 # we return it, otherwise, we just echo back the include dir. This is
58 # neccessary when a built script greps header files rather than testing them
59 # via #include (like perl) to figure out features.
60
61 # prep_ml_includes:
62 # Some includes (include/asm, glibc, etc) are ABI dependent. In this case,
63 # We can install them in different locations for each ABI and create a common
64 # header which includes the right one based on CDEFINE_${ABI}. If your
65 # package installs ABI-specific headers, just add 'prep_ml_includes' to the
66 # end of your src_install(). It takes a list of directories that include
67 # files are installed in (default is /usr/include if none are passed).
68 #
69 # Example:
70 # src_install() {
71 # ...
72 # prep_ml_includes /usr/qt/3/include
73 # }
74
75 # create_ml_includes <include dir> <symbol 1>:<dir 1> [<symbol 2>:<dir 2> ...]
76 # If you need more control than prep_ml_includes can offer (like linux-headers
77 # for the asm-* dirs, then use create_ml_includes. The firs argument is the
78 # common dir. The remaining args are of the form <symbol>:<dir> where
79 # <symbol> is what is put in the #ifdef for choosing that dir.
80 #
81 # Ideas for this code came from debian's sparc-linux headers package.
82 #
83 # Example:
84 # create_ml_includes /usr/include/asm __sparc__:/usr/include/asm-sparc __sparc64__:/usr/include/asm-sparc64
85 # create_ml_includes /usr/include/asm __i386__:/usr/include/asm-i386 __x86_64__:/usr/include/asm-x86_64
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.${PV}.dylib (MACH)
94
95 ### END DOCUMENTATION ###
96
97 # Defaults:
98 export MULTILIB_ABIS=${MULTILIB_ABIS:-"default"}
99 export DEFAULT_ABI=${DEFAULT_ABI:-"default"}
100 export CFLAGS_default
101 export LDFLAGS_default
102 export CHOST_default=${CHOST_default:-${CHOST}}
103 export CTARGET_default=${CTARGET_default:-${CTARGET:-${CHOST_default}}}
104 export LIBDIR_default=${CONF_LIBDIR:-"lib"}
105 export CDEFINE_default="__unix__"
106 export KERNEL_ABI=${KERNEL_ABI:-${DEFAULT_ABI}}
107
108 # has_multilib_profile()
109 has_multilib_profile() {
110 [ -n "${MULTILIB_ABIS}" -a "${MULTILIB_ABIS}" != "${MULTILIB_ABIS/ /}" ]
111 }
112
113 # This function simply returns the desired lib directory. With portage
114 # 2.0.51, we now have support for installing libraries to lib32/lib64
115 # to accomidate the needs of multilib systems. It's no longer a good idea
116 # to assume all libraries will end up in lib. Replace any (sane) instances
117 # where lib is named directly with $(get_libdir) if possible.
118 #
119 # Travis Tilley <lv@gentoo.org> (24 Aug 2004)
120 #
121 # Jeremy Huddleston <eradicator@gentoo.org> (23 Dec 2004):
122 # Added support for ${ABI} and ${DEFAULT_ABI}. If they're both not set,
123 # fall back on old behavior. Any profile that has these set should also
124 # depend on a newer version of portage (not yet released) which uses these
125 # over CONF_LIBDIR in econf, dolib, etc...
126 get_libdir() {
127 local CONF_LIBDIR
128 if [ -n "${CONF_LIBDIR_OVERRIDE}" ] ; then
129 # if there is an override, we want to use that... always.
130 echo ${CONF_LIBDIR_OVERRIDE}
131 else
132 get_abi_LIBDIR
133 fi
134 }
135
136 get_multilibdir() {
137 if has_multilib_profile; then
138 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"
139 exit 1
140 fi
141 echo ${CONF_MULTILIBDIR:=lib32}
142 }
143
144 # Sometimes you need to override the value returned by get_libdir. A good
145 # example of this is xorg-x11, where lib32 isnt a supported configuration,
146 # and where lib64 -must- be used on amd64 (for applications that need lib
147 # to be 32bit, such as adobe acrobat). Note that this override also bypasses
148 # portage version sanity checking.
149 # get_libdir_override expects one argument, the result get_libdir should
150 # return:
151 #
152 # get_libdir_override lib64
153 #
154 # Travis Tilley <lv@gentoo.org> (31 Aug 2004)
155 get_libdir_override() {
156 if has_multilib_profile; then
157 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"
158 exit 1
159 fi
160 CONF_LIBDIR="$1"
161 CONF_LIBDIR_OVERRIDE="$1"
162 LIBDIR_default="$1"
163 }
164
165 # get_abi_var <VAR> [<ABI>]
166 # returns the value of ${<VAR>_<ABI>} which should be set in make.defaults
167 #
168 # ex:
169 # CFLAGS=$(get_abi_var CFLAGS sparc32) # CFLAGS=-m32
170 #
171 # Note that the prefered method is to set CC="$(tc-getCC) $(get_abi_CFLAGS)"
172 # This will hopefully be added to portage soon...
173 #
174 # If <ABI> is not specified, ${ABI} is used.
175 # If <ABI> is not specified and ${ABI} is not defined, ${DEFAULT_ABI} is used.
176 # If <ABI> is not specified and ${ABI} and ${DEFAULT_ABI} are not defined, we return an empty string.
177 #
178 # Jeremy Huddleston <eradicator@gentoo.org>
179 get_abi_var() {
180 local flag=$1
181 local abi
182 if [ $# -gt 1 ]; then
183 abi=${2}
184 elif [ -n "${ABI}" ]; then
185 abi=${ABI}
186 elif [ -n "${DEFAULT_ABI}" ]; then
187 abi=${DEFAULT_ABI}
188 else
189 abi="default"
190 fi
191
192 local var="${flag}_${abi}"
193 echo ${!var}
194 }
195
196 get_abi_CFLAGS() { get_abi_var CFLAGS "$@"; }
197 get_abi_ASFLAGS() { get_abi_var ASFLAGS "$@"; }
198 get_abi_LDFLAGS() { get_abi_var LDFLAGS "$@"; }
199 get_abi_CHOST() { get_abi_var CHOST "$@"; }
200 get_abi_CTARGET() { get_abi_var CTARGET "$@"; }
201 get_abi_FAKE_TARGETS() { get_abi_var FAKE_TARGETS "$@"; }
202 get_abi_CDEFINE() { get_abi_var CDEFINE "$@"; }
203 get_abi_LIBDIR() { get_abi_var LIBDIR "$@"; }
204
205 # Return a list of the ABIs we want to install for with
206 # the last one in the list being the default.
207 get_install_abis() {
208 local order=""
209
210 if [[ -z ${MULTILIB_ABIS} ]] ; then
211 echo "default"
212 return 0
213 fi
214
215 if hasq multilib-pkg-force ${RESTRICT} ||
216 { hasq multilib-pkg ${FEATURES} && hasq multilib-pkg ${RESTRICT}; }; then
217 for x in ${MULTILIB_ABIS} ; do
218 if [[ ${x} != "${DEFAULT_ABI}" ]] ; then
219 hasq ${x} ${ABI_DENY} || ordera="${ordera} ${x}"
220 fi
221 done
222 hasq ${DEFAULT_ABI} ${ABI_DENY} || order="${ordera} ${DEFAULT_ABI}"
223
224 if [[ -n ${ABI_ALLOW} ]] ; then
225 local ordera=""
226 for x in ${order} ; do
227 if hasq ${x} ${ABI_ALLOW} ; then
228 ordera="${ordera} ${x}"
229 fi
230 done
231 order=${ordera}
232 fi
233 else
234 order=${DEFAULT_ABI}
235 fi
236
237 if [[ -z ${order} ]] ; then
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."
239 fi
240
241 echo ${order}
242 return 0
243 }
244
245 # Return a list of the ABIs supported by this profile.
246 # the last one in the list being the default.
247 get_all_abis() {
248 local order=""
249
250 if [[ -z ${MULTILIB_ABIS} ]] ; then
251 echo "default"
252 return 0
253 fi
254
255 for x in ${MULTILIB_ABIS}; do
256 if [[ ${x} != ${DEFAULT_ABI} ]] ; then
257 order="${order:+${order} }${x}"
258 fi
259 done
260 order="${order:+${order} }${DEFAULT_ABI}"
261
262 echo ${order}
263 return 0
264 }
265
266 # get_all_libdirs()
267 # Returns a list of all the libdirs used by this profile. This includes
268 # those that might not be touched by the current ebuild.
269 get_all_libdirs() {
270 local libdirs="lib"
271 local abi
272 local dir
273
274 for abi in ${MULTILIB_ABIS}; do
275 [ "$(get_abi_LIBDIR ${abi})" != "lib" ] && libdirs="${libdirs} $(get_abi_LIBDIR ${abi})"
276 done
277
278 echo "${libdirs}"
279 }
280
281 # Return true if ${ABI} is the last ABI on our list (or if we're not
282 # using the new multilib configuration. This can be used to determine
283 # if we're in the last (or only) run through src_{unpack,compile,install}
284 is_final_abi() {
285 has_multilib_profile || return 0
286 local ALL_ABIS=$(get_install_abis)
287 local LAST_ABI=${ALL_ABIS/* /}
288 [[ ${LAST_ABI} == ${ABI} ]]
289 }
290
291 # echo the number of ABIs we will be installing for
292 number_abis() {
293 get_install_abis | wc -w
294 }
295
296 # get_ml_incdir [<include dir> [<ABI>]]
297 # include dir defaults to /usr/include
298 # ABI defaults to ${ABI} or ${DEFAULT_ABI}
299 get_ml_incdir() {
300 local dir=/usr/include
301
302 if [[ $# -gt 0 ]]; then
303 incdir=$1
304 shift
305 fi
306
307 if [[ -z "${MULTILIB_ABIS}" ]]; then
308 echo ${incdir}
309 return 0
310 fi
311
312 local abi=${ABI-${DEFAULT_ABI}}
313 if [[ $# -gt 0 ]]; then
314 abi=$1
315 shift
316 fi
317
318 if [[ -d "${dir}/gentoo-multilib/${abi}" ]]; then
319 echo ${dir}/gentoo-multilib/${abi}
320 else
321 echo ${dir}
322 fi
323 }
324
325 # prep_ml_includes:
326 #
327 # Some includes (include/asm, glibc, etc) are ABI dependent. In this case,
328 # We can install them in different locations for each ABI and create a common
329 # header which includes the right one based on CDEFINE_${ABI}. If your
330 # package installs ABI-specific headers, just add 'prep_ml_includes' to the
331 # end of your src_install(). It takes a list of directories that include
332 # files are installed in (default is /usr/include if none are passed).
333 #
334 # Example:
335 # src_install() {
336 # ...
337 # prep_ml_includes /usr/qt/3/include
338 # }
339
340 prep_ml_includes() {
341 if [[ $(number_abis) -gt 1 ]] ; then
342 local dir
343 local dirs
344 local base
345
346 if [[ $# -eq 0 ]] ; then
347 dirs=/usr/include
348 else
349 dirs="$@"
350 fi
351
352 for dir in ${dirs} ; do
353 base=${T}/gentoo-multilib/${dir}/gentoo-multilib
354 mkdir -p "${base}"
355 [[ -d ${base}/${ABI} ]] && rm -rf "${base}/${ABI}"
356 mv "${D}/${dir}" "${base}/${ABI}"
357 done
358
359 if is_final_abi; then
360 base=${T}/gentoo-multilib
361 pushd "${base}"
362 find . | tar -c -T - -f - | tar -x --no-same-owner -f - -C ${D}
363 popd
364
365 # This 'set' stuff is required by mips profiles to properly pass
366 # CDEFINE's (which have spaces) to sub-functions
367 set --
368 for dir in ${dirs} ; do
369 set -- "$@" "${dir}"
370 local abi
371 for abi in $(get_install_abis); do
372 set -- "$@" "$(get_abi_CDEFINE ${abi}):${dir}/gentoo-multilib/${abi}"
373 done
374 create_ml_includes "$@"
375 done
376 fi
377 fi
378 }
379
380 # If you need more control than prep_ml_includes can offer (like linux-headers
381 # for the asm-* dirs, then use create_ml_includes. The firs argument is the
382 # common dir. The remaining args are of the form <symbol>:<dir> where
383 # <symbol> is what is put in the #ifdef for choosing that dir.
384 #
385 # Ideas for this code came from debian's sparc-linux headers package.
386 #
387 # Example:
388 # create_ml_includes /usr/include/asm __sparc__:/usr/include/asm-sparc __sparc64__:/usr/include/asm-sparc64
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)
393 create_ml_includes() {
394 local dest=$1
395 shift
396 local basedirs=$(create_ml_includes-listdirs "$@")
397
398 create_ml_includes-makedestdirs ${dest} ${basedirs}
399
400 local file
401 for file in $(create_ml_includes-allfiles ${basedirs}) ; do
402 #local name=$(echo ${file} | tr '[:lower:]' '[:upper:]' | sed 's:[^[:upper:]]:_:g')
403 (
404 echo "/* Autogenerated by create_ml_includes() in multilib.eclass */"
405
406 local dir
407 for dir in ${basedirs}; do
408 if [[ -f ${D}/${dir}/${file} ]] ; then
409 echo ""
410 local sym=$(create_ml_includes-sym_for_dir ${dir} "$@")
411 if [[ ${sym/=} != "${sym}" ]] ; then
412 echo "#if ${sym}"
413 elif [[ ${sym::1} == "!" ]] ; then
414 echo "#ifndef ${sym:1}"
415 else
416 echo "#ifdef ${sym}"
417 fi
418 echo "# include <$(create_ml_includes-absolute ${dir}/${file})>"
419 echo "#endif /* ${sym} */"
420 fi
421 done
422
423 #echo "#endif /* __CREATE_ML_INCLUDES_STUB_${name}__ */"
424 ) > "${D}/${dest}/${file}"
425 done
426 }
427
428 # Helper function for create_ml_includes
429 create_ml_includes-absolute() {
430 local dst="$(create_ml_includes-tidy_path $1)"
431
432 dst=(${dst//\// })
433
434 local i
435 for ((i=0; i<${#dst[*]}; i++)); do
436 [ "${dst[i]}" == "include" ] && break
437 done
438
439 local strip_upto=$i
440
441 for ((i=strip_upto+1; i<${#dst[*]}-1; i++)); do
442 echo -n ${dst[i]}/
443 done
444
445 echo -n ${dst[i]}
446 }
447
448 # Helper function for create_ml_includes
449 create_ml_includes-tidy_path() {
450 local removed=$1
451
452 if [ -n "${removed}" ]; then
453 # Remove multiple slashes
454 while [ "${removed}" != "${removed/\/\//\/}" ]; do
455 removed=${removed/\/\//\/}
456 done
457
458 # Remove . directories
459 while [ "${removed}" != "${removed//\/.\//\/}" ]; do
460 removed=${removed//\/.\//\/}
461 done
462 [ "${removed##*/}" = "." ] && removed=${removed%/*}
463
464 # Removed .. directories
465 while [ "${removed}" != "${removed//\/..\/}" ]; do
466 local p1="${removed%%\/..\/*}"
467 local p2="${removed#*\/..\/}"
468
469 removed="${p1%\/*}/${p2}"
470 done
471
472 # Remove trailing ..
473 [ "${removed##*/}" = ".." ] && removed=${removed%/*/*}
474
475 # Remove trailing /
476 [ "${removed##*/}" = "" ] && removed=${removed%/*}
477
478 echo ${removed}
479 fi
480 }
481
482 # Helper function for create_ml_includes
483 create_ml_includes-listdirs() {
484 local dirs
485 local data
486 for data in "$@"; do
487 dirs="${dirs} ${data/*:/}"
488 done
489 echo ${dirs:1}
490 }
491
492 # Helper function for create_ml_includes
493 create_ml_includes-makedestdirs() {
494 local dest=$1
495 shift
496 local basedirs=$@
497
498 dodir ${dest}
499
500 local basedir
501 for basedir in ${basedirs}; do
502 local dir
503 for dir in $(find ${D}/${basedir} -type d); do
504 dodir ${dest}/${dir/${D}\/${basedir}/}
505 done
506 done
507 }
508
509 # Helper function for create_ml_includes
510 create_ml_includes-allfiles() {
511 local basedir file
512 for basedir in "$@" ; do
513 for file in $(find "${D}"/${basedir} -type f); do
514 echo ${file/${D}\/${basedir}\//}
515 done
516 done | sort | uniq
517 }
518
519 # Helper function for create_ml_includes
520 create_ml_includes-sym_for_dir() {
521 local dir=$1
522 shift
523 local data
524 for data in "$@"; do
525 if [[ ${data} == *:${dir} ]] ; then
526 echo ${data/:*/}
527 return 0
528 fi
529 done
530 echo "Shouldn't be here -- create_ml_includes-sym_for_dir $1 $@"
531 # exit because we'll likely be called from a subshell
532 exit 1
533 }
534
535 get_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}.${ver}";;
550 esac
551 done
552 fi
553 }
554
555 # This is for the toolchain to setup profile variables when pulling in
556 # a crosscompiler (and thus they aren't set in the profile)
557 multilib_env() {
558 local CTARGET=${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)
656 multilib_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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