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Revision 1.1.1.1 - (hide annotations) (download) (vendor branch)
Wed Nov 30 09:59:17 2005 UTC (9 years ago) by chriswhite
Changes since 1.1: +561 -42 lines
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1 eradicator 1.1 # Copyright 1999-2004 Gentoo Foundation
2     # Distributed under the terms of the GNU General Public License v2
3 chriswhite 1.1.1.1 # $Header: /var/cvsroot/gentoo-x86/eclass/multilib.eclass,v 1.46 2005/10/17 08:45:38 eradicator Exp $
4 eradicator 1.1 #
5     # Author: Jeremy Huddleston <eradicator@gentoo.org>
6     #
7     # This eclass is for all functions pertaining to handling multilib.
8     # configurations.
9    
10     DESCRIPTION="Based on the ${ECLASS} eclass"
11    
12 chriswhite 1.1.1.1 # has_multilib_profile:
13     # Return true if the current profile is a multilib profile and lists more than
14     # one abi in ${MULTILIB_ABIS}. You might want to use this like
15     # 'use multilib || has_multilib_profile' until all profiles utilizing the
16     # 'multilib' use flag are removed from portage
17    
18     # is_final_abi:
19     # Return true if ${ABI} is the final abi to be installed (and thus we are
20     # on our last run through a src_* function.
21    
22     # number_abis:
23     # echo the number of ABIs we will be installing for
24    
25     # get_install_abis:
26     # Return a list of the ABIs we want to install for with
27     # the last one in the list being the default.
28    
29     # get_all_abis:
30     # Return a list of the ABIs supported by this profile.
31     # the last one in the list being the default.
32    
33     # get_all_libdirs:
34     # Returns a list of all the libdirs used by this profile. This includes
35     # those that might not be touched by the current ebuild and always includes
36     # "lib".
37    
38     # get_libdir:
39     # Returns the libdir for the selected ABI. This is backwards compatible
40     # and simply calls get_abi_LIBDIR() on newer profiles. You should use this
41     # to determine where to install shared objects (ex: /usr/$(get_libdir))
42    
43     # get_abi_var <VAR> [<ABI>]:
44     # returns the value of ${<VAR>_<ABI>} which should be set in make.defaults
45     #
46     # get_abi_CFLAGS:
47     # get_abi_CDEFINE:
48     # get_abi_LIBDIR:
49     # Aliases for 'get_abi_var CFLAGS', etc.
50    
51     # get_ml_incdir [<include dir> [<ABI>]]
52     # include dir defaults to /usr/include
53     # ABI defaults to ${ABI} or ${DEFAULT_ABI}
54     #
55     # If a multilib include dir is associated with the passed include dir, then
56     # we return it, otherwise, we just echo back the include dir. This is
57     # neccessary when a built script greps header files rather than testing them
58     # via #include (like perl) to figure out features.
59    
60     # prep_ml_includes:
61     # Some includes (include/asm, glibc, etc) are ABI dependent. In this case,
62     # We can install them in different locations for each ABI and create a common
63     # header which includes the right one based on CDEFINE_${ABI}. If your
64     # package installs ABI-specific headers, just add 'prep_ml_includes' to the
65     # end of your src_install(). It takes a list of directories that include
66     # files are installed in (default is /usr/include if none are passed).
67     #
68     # Example:
69     # src_install() {
70     # ...
71     # prep_ml_includes /usr/qt/3/include
72     # }
73    
74     # create_ml_includes <include dir> <symbol 1>:<dir 1> [<symbol 2>:<dir 2> ...]
75     # If you need more control than prep_ml_includes can offer (like linux-headers
76     # for the asm-* dirs, then use create_ml_includes. The firs argument is the
77     # common dir. The remaining args are of the form <symbol>:<dir> where
78     # <symbol> is what is put in the #ifdef for choosing that dir.
79     #
80     # Ideas for this code came from debian's sparc-linux headers package.
81     #
82     # Example:
83     # create_ml_includes /usr/include/asm __sparc__:/usr/include/asm-sparc __sparc64__:/usr/include/asm-sparc64
84     # create_ml_includes /usr/include/asm __i386__:/usr/include/asm-i386 __x86_64__:/usr/include/asm-x86_64
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.${PV}.dylib (MACH)
93    
94     ### END DOCUMENTATION ###
95    
96     # Defaults:
97     export MULTILIB_ABIS=${MULTILIB_ABIS:-"default"}
98     export DEFAULT_ABI=${DEFAULT_ABI:-"default"}
99     export CFLAGS_default
100     export LDFLAGS_default
101     export CHOST_default=${CHOST_default:-${CHOST}}
102     export CTARGET_default=${CTARGET_default:-${CTARGET:-${CHOST_default}}}
103     export LIBDIR_default=${CONF_LIBDIR:-"lib"}
104     export CDEFINE_default="__unix__"
105    
106     # has_multilib_profile()
107     has_multilib_profile() {
108     [ -n "${MULTILIB_ABIS}" -a "${MULTILIB_ABIS}" != "${MULTILIB_ABIS/ /}" ]
109     }
110    
111 eradicator 1.1 # This function simply returns the desired lib directory. With portage
112     # 2.0.51, we now have support for installing libraries to lib32/lib64
113     # to accomidate the needs of multilib systems. It's no longer a good idea
114     # to assume all libraries will end up in lib. Replace any (sane) instances
115     # where lib is named directly with $(get_libdir) if possible.
116     #
117     # Travis Tilley <lv@gentoo.org> (24 Aug 2004)
118     #
119     # Jeremy Huddleston <eradicator@gentoo.org> (23 Dec 2004):
120     # Added support for ${ABI} and ${DEFAULT_ABI}. If they're both not set,
121     # fall back on old behavior. Any profile that has these set should also
122     # depend on a newer version of portage (not yet released) which uses these
123     # over CONF_LIBDIR in econf, dolib, etc...
124     get_libdir() {
125 chriswhite 1.1.1.1 local CONF_LIBDIR
126     if [ -n "${CONF_LIBDIR_OVERRIDE}" ] ; then
127 eradicator 1.1 # if there is an override, we want to use that... always.
128 chriswhite 1.1.1.1 echo ${CONF_LIBDIR_OVERRIDE}
129     else
130     get_abi_LIBDIR
131     fi
132 eradicator 1.1 }
133    
134     get_multilibdir() {
135 chriswhite 1.1.1.1 if has_multilib_profile; then
136 eradicator 1.1 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"
137     exit 1
138     fi
139     echo ${CONF_MULTILIBDIR:=lib32}
140     }
141    
142     # Sometimes you need to override the value returned by get_libdir. A good
143     # example of this is xorg-x11, where lib32 isnt a supported configuration,
144     # and where lib64 -must- be used on amd64 (for applications that need lib
145     # to be 32bit, such as adobe acrobat). Note that this override also bypasses
146     # portage version sanity checking.
147     # get_libdir_override expects one argument, the result get_libdir should
148     # return:
149     #
150     # get_libdir_override lib64
151     #
152     # Travis Tilley <lv@gentoo.org> (31 Aug 2004)
153     get_libdir_override() {
154 chriswhite 1.1.1.1 if has_multilib_profile; then
155 eradicator 1.1 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"
156     exit 1
157     fi
158     CONF_LIBDIR="$1"
159     CONF_LIBDIR_OVERRIDE="$1"
160 chriswhite 1.1.1.1 LIBDIR_default="$1"
161 eradicator 1.1 }
162    
163     # get_abi_var <VAR> [<ABI>]
164     # returns the value of ${<VAR>_<ABI>} which should be set in make.defaults
165     #
166     # ex:
167     # CFLAGS=$(get_abi_var CFLAGS sparc32) # CFLAGS=-m32
168     #
169     # Note that the prefered method is to set CC="$(tc-getCC) $(get_abi_CFLAGS)"
170     # This will hopefully be added to portage soon...
171     #
172     # If <ABI> is not specified, ${ABI} is used.
173     # If <ABI> is not specified and ${ABI} is not defined, ${DEFAULT_ABI} is used.
174     # If <ABI> is not specified and ${ABI} and ${DEFAULT_ABI} are not defined, we return an empty string.
175     #
176     # Jeremy Huddleston <eradicator@gentoo.org>
177     get_abi_var() {
178 chriswhite 1.1.1.1 local flag=$1
179 eradicator 1.1 local abi
180     if [ $# -gt 1 ]; then
181     abi=${2}
182     elif [ -n "${ABI}" ]; then
183     abi=${ABI}
184     elif [ -n "${DEFAULT_ABI}" ]; then
185     abi=${DEFAULT_ABI}
186     else
187 chriswhite 1.1.1.1 abi="default"
188 eradicator 1.1 fi
189    
190     local var="${flag}_${abi}"
191     echo ${!var}
192     }
193    
194 chriswhite 1.1.1.1 get_abi_CFLAGS() { get_abi_var CFLAGS "$@"; }
195     get_abi_LDFLAGS() { get_abi_var LDFLAGS "$@"; }
196     get_abi_CHOST() { get_abi_var CHOST "$@"; }
197     get_abi_CTARGET() { get_abi_var CTARGET "$@"; }
198     get_abi_FAKE_TARGETS() { get_abi_var FAKE_TARGETS "$@"; }
199     get_abi_CDEFINE() { get_abi_var CDEFINE "$@"; }
200     get_abi_LIBDIR() { get_abi_var LIBDIR "$@"; }
201    
202     # Return a list of the ABIs we want to install for with
203     # the last one in the list being the default.
204     get_install_abis() {
205     local order=""
206    
207     if [[ -z ${MULTILIB_ABIS} ]] ; then
208     echo "default"
209     return 0
210     fi
211    
212     if hasq multilib-pkg-force ${RESTRICT} ||
213     { hasq multilib-pkg ${FEATURES} && hasq multilib-pkg ${RESTRICT}; }; then
214     for x in ${MULTILIB_ABIS} ; do
215     if [[ ${x} != "${DEFAULT_ABI}" ]] ; then
216     hasq ${x} ${ABI_DENY} || ordera="${ordera} ${x}"
217     fi
218     done
219     hasq ${DEFAULT_ABI} ${ABI_DENY} || order="${ordera} ${DEFAULT_ABI}"
220    
221     if [[ -n ${ABI_ALLOW} ]] ; then
222     local ordera=""
223     for x in ${order} ; do
224     if hasq ${x} ${ABI_ALLOW} ; then
225     ordera="${ordera} ${x}"
226     fi
227     done
228     order=${ordera}
229     fi
230     else
231     order=${DEFAULT_ABI}
232     fi
233 eradicator 1.1
234 chriswhite 1.1.1.1 if [[ -z ${order} ]] ; then
235     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."
236     fi
237    
238     echo ${order}
239     return 0
240     }
241    
242     # Return a list of the ABIs supported by this profile.
243     # the last one in the list being the default.
244     get_all_abis() {
245     local order=""
246    
247     if [[ -z ${MULTILIB_ABIS} ]] ; then
248     echo "default"
249     return 0
250     fi
251    
252     for x in ${MULTILIB_ABIS}; do
253     if [[ ${x} != ${DEFAULT_ABI} ]] ; then
254     order="${order:+${order} }${x}"
255     fi
256     done
257     order="${order:+${order} }${DEFAULT_ABI}"
258    
259     echo ${order}
260     return 0
261     }
262    
263     # get_all_libdirs()
264     # Returns a list of all the libdirs used by this profile. This includes
265     # those that might not be touched by the current ebuild.
266 eradicator 1.1 get_all_libdirs() {
267 chriswhite 1.1.1.1 local libdirs="lib"
268     local abi
269     local dir
270    
271     if has_multilib_profile; then
272 eradicator 1.1 for abi in ${MULTILIB_ABIS}; do
273 chriswhite 1.1.1.1 [ "$(get_abi_LIBDIR ${abi})" != "lib" ] && libdirs="${libdirs} $(get_abi_LIBDIR ${abi})"
274 eradicator 1.1 done
275     elif [ -n "${CONF_LIBDIR}" ]; then
276 chriswhite 1.1.1.1 for dir in ${CONF_LIBDIR} ${CONF_MULTILIBDIR:-lib32}; do
277     [ "${dir}" != "lib" ] && libdirs="${libdirs} ${dir}"
278     done
279 eradicator 1.1 fi
280    
281     echo "${libdirs}"
282     }
283 chriswhite 1.1.1.1
284     # Return true if ${ABI} is the last ABI on our list (or if we're not
285     # using the new multilib configuration. This can be used to determine
286     # if we're in the last (or only) run through src_{unpack,compile,install}
287     is_final_abi() {
288     has_multilib_profile || return 0
289     local ALL_ABIS=$(get_install_abis)
290     local LAST_ABI=${ALL_ABIS/* /}
291     [[ ${LAST_ABI} == ${ABI} ]]
292     }
293    
294     # echo the number of ABIs we will be installing for
295     number_abis() {
296     get_install_abis | wc -w
297     }
298    
299     # get_ml_incdir [<include dir> [<ABI>]]
300     # include dir defaults to /usr/include
301     # ABI defaults to ${ABI} or ${DEFAULT_ABI}
302     get_ml_incdir() {
303     local dir=/usr/include
304    
305     if [[ $# -gt 0 ]]; then
306     incdir=$1
307     shift
308     fi
309    
310     if [[ -z "${MULTILIB_ABIS}" ]]; then
311     echo ${incdir}
312     return 0
313     fi
314    
315     local abi=${ABI-${DEFAULT_ABI}}
316     if [[ $# -gt 0 ]]; then
317     abi=$1
318     shift
319     fi
320    
321     if [[ -d "${dir}/gentoo-multilib/${abi}" ]]; then
322     echo ${dir}/gentoo-multilib/${abi}
323     else
324     echo ${dir}
325     fi
326     }
327    
328     # prep_ml_includes:
329     #
330     # Some includes (include/asm, glibc, etc) are ABI dependent. In this case,
331     # We can install them in different locations for each ABI and create a common
332     # header which includes the right one based on CDEFINE_${ABI}. If your
333     # package installs ABI-specific headers, just add 'prep_ml_includes' to the
334     # end of your src_install(). It takes a list of directories that include
335     # files are installed in (default is /usr/include if none are passed).
336     #
337     # Example:
338     # src_install() {
339     # ...
340     # prep_ml_includes /usr/qt/3/include
341     # }
342    
343     prep_ml_includes() {
344     if [[ $(number_abis) -gt 1 ]] ; then
345     local dir
346     local dirs
347     local base
348    
349     if [[ $# -eq 0 ]] ; then
350     dirs=/usr/include
351     else
352     dirs="$@"
353     fi
354    
355     for dir in ${dirs} ; do
356     base=${T}/gentoo-multilib/${dir}/gentoo-multilib
357     mkdir -p "${base}"
358     [[ -d ${base}/${ABI} ]] && rm -rf "${base}/${ABI}"
359     mv "${D}/${dir}" "${base}/${ABI}"
360     done
361    
362     if is_final_abi; then
363     base=${T}/gentoo-multilib
364     pushd "${base}"
365     find . | tar -c -T - -f - | tar -x --no-same-owner -f - -C ${D}
366     popd
367    
368     # This 'set' stuff is required by mips profiles to properly pass
369     # CDEFINE's (which have spaces) to sub-functions
370     set --
371     for dir in ${dirs} ; do
372     set -- "$@" "${dir}"
373     local abi
374     for abi in $(get_install_abis); do
375     set -- "$@" "$(get_abi_CDEFINE ${abi}):${dir}/gentoo-multilib/${abi}"
376     done
377     create_ml_includes "$@"
378     done
379     fi
380     fi
381     }
382    
383     # If you need more control than prep_ml_includes can offer (like linux-headers
384     # for the asm-* dirs, then use create_ml_includes. The firs argument is the
385     # common dir. The remaining args are of the form <symbol>:<dir> where
386     # <symbol> is what is put in the #ifdef for choosing that dir.
387     #
388     # Ideas for this code came from debian's sparc-linux headers package.
389     #
390     # Example:
391     # create_ml_includes /usr/include/asm __sparc__:/usr/include/asm-sparc __sparc64__:/usr/include/asm-sparc64
392     # create_ml_includes /usr/include/asm __i386__:/usr/include/asm-i386 __x86_64__:/usr/include/asm-x86_64
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=${CTARGET_amd64}
571     export CDEFINE_amd64="__x86_64__"
572     export LIBDIR_amd64="lib64"
573    
574     export MULTILIB_ABIS="amd64 x86"
575     export DEFAULT_ABI="amd64"
576     ;;
577     mips64*)
578     export CFLAGS_o32=${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     }

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