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Revision 1.1 Revision 1.72
1# Copyright 1999-2004 Gentoo Foundation 1# Copyright 1999-2008 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 1.1 2005/01/12 00:21:53 eradicator Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/multilib.eclass,v 1.72 2009/02/20 23:20:22 vapier Exp $
4# 4
5# Author: Jeremy Huddleston <eradicator@gentoo.org> 5# @ECLASS: multilib.eclass
6# 6# @MAINTAINER:
7# amd64@gentoo.org
8# toolchain@gentoo.org
9# @BLURB: This eclass is for all functions pertaining to handling multilib configurations.
10# @DESCRIPTION:
7# This eclass is for all functions pertaining to handling multilib. 11# This eclass is for all functions pertaining to handling multilib configurations.
8# configurations.
9 12
10ECLASS=multilib 13___ECLASS_RECUR_MULTILIB="yes"
11INHERITED="$INHERITED $ECLASS" 14[[ -z ${___ECLASS_RECUR_TOOLCHAIN_FUNCS} ]] && inherit toolchain-funcs
12 15
13DESCRIPTION="Based on the ${ECLASS} eclass" 16# Defaults:
17export MULTILIB_ABIS=${MULTILIB_ABIS:-"default"}
18export DEFAULT_ABI=${DEFAULT_ABI:-"default"}
19export CFLAGS_default
20export LDFLAGS_default
21export CHOST_default=${CHOST_default:-${CHOST}}
22export CTARGET_default=${CTARGET_default:-${CTARGET:-${CHOST_default}}}
23export LIBDIR_default=${CONF_LIBDIR:-"lib"}
24export CDEFINE_default="__unix__"
25export KERNEL_ABI=${KERNEL_ABI:-${DEFAULT_ABI}}
14 26
27# @FUNCTION: has_multilib_profile
28# @DESCRIPTION:
29# Return true if the current profile is a multilib profile and lists more than
30# one abi in ${MULTILIB_ABIS}. When has_multilib_profile returns true, that
31# profile should enable the 'multilib' use flag. This is so you can DEPEND on
32# a package only for multilib or not multilib.
33has_multilib_profile() {
34 [ -n "${MULTILIB_ABIS}" -a "${MULTILIB_ABIS}" != "${MULTILIB_ABIS/ /}" ]
35}
36
37# @FUNCTION: get_libdir
38# @RETURN: the libdir for the selected ABI
39# @DESCRIPTION:
15# This function simply returns the desired lib directory. With portage 40# This function simply returns the desired lib directory. With portage
16# 2.0.51, we now have support for installing libraries to lib32/lib64 41# 2.0.51, we now have support for installing libraries to lib32/lib64
17# to accomidate the needs of multilib systems. It's no longer a good idea 42# to accomidate the needs of multilib systems. It's no longer a good idea
18# to assume all libraries will end up in lib. Replace any (sane) instances 43# to assume all libraries will end up in lib. Replace any (sane) instances
19# where lib is named directly with $(get_libdir) if possible. 44# where lib is named directly with $(get_libdir) if possible.
20#
21# Travis Tilley <lv@gentoo.org> (24 Aug 2004)
22# 45#
23# Jeremy Huddleston <eradicator@gentoo.org> (23 Dec 2004): 46# Jeremy Huddleston <eradicator@gentoo.org> (23 Dec 2004):
24# Added support for ${ABI} and ${DEFAULT_ABI}. If they're both not set, 47# Added support for ${ABI} and ${DEFAULT_ABI}. If they're both not set,
25# fall back on old behavior. Any profile that has these set should also 48# fall back on old behavior. Any profile that has these set should also
26# depend on a newer version of portage (not yet released) which uses these 49# depend on a newer version of portage (not yet released) which uses these
27# over CONF_LIBDIR in econf, dolib, etc... 50# over CONF_LIBDIR in econf, dolib, etc...
28get_libdir() { 51get_libdir() {
29 LIBDIR_TEST=$(type econf) 52 local CONF_LIBDIR
30 if [ ! -z "${CONF_LIBDIR_OVERRIDE}" ] ; then 53 if [ -n "${CONF_LIBDIR_OVERRIDE}" ] ; then
31 # if there is an override, we want to use that... always. 54 # if there is an override, we want to use that... always.
32 CONF_LIBDIR="${CONF_LIBDIR_OVERRIDE}" 55 echo ${CONF_LIBDIR_OVERRIDE}
33 # We don't need to know the verison of portage. We only need to know 56 else
34 # if there is support for CONF_LIBDIR in econf and co. 57 get_abi_LIBDIR
35 # Danny van Dyk <kugelfang@gentoo.org> 2004/17/09
36 #elif portageq has_version / '<sys-apps/portage-2.0.51_pre20' ; then
37 # # and if there isnt an override, and we're using a version of
38 # # portage without CONF_LIBDIR support, force the use of lib. dolib
39 # # and friends from portage 2.0.50 wont be too happy otherwise.
40 # CONF_LIBDIR="lib"
41 #fi 58 fi
42 elif [ -n "$(get_abi_LIBDIR)" ]; then # Using eradicator's LIBDIR_<abi> approach...
43 CONF_LIBDIR="$(get_abi_LIBDIR)"
44 elif [ "${LIBDIR_TEST/CONF_LIBDIR}" == "${LIBDIR_TEST}" ]; then # we don't have CONF_LIBDIR support
45 # will be <portage-2.0.51_pre20
46 CONF_LIBDIR="lib"
47 fi
48 # and of course, default to lib if CONF_LIBDIR isnt set
49 echo ${CONF_LIBDIR:=lib}
50 unset LIBDIR_TEST
51} 59}
52 60
61# @FUNCTION: get_multilibdir
62# @RETURN: Returns the multilibdir
53get_multilibdir() { 63get_multilibdir() {
54 if [ -n "$(get_abi_LIBDIR)" ]; then 64 if has_multilib_profile; then
55 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" 65 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"
56 exit 1 66 exit 1
57 fi 67 fi
58 echo ${CONF_MULTILIBDIR:=lib32} 68 echo ${CONF_MULTILIBDIR:=lib32}
59} 69}
60 70
71# @FUNCTION: get_libdir_override
72# @DESCRIPTION:
61# Sometimes you need to override the value returned by get_libdir. A good 73# Sometimes you need to override the value returned by get_libdir. A good
62# example of this is xorg-x11, where lib32 isnt a supported configuration, 74# example of this is xorg-x11, where lib32 isnt a supported configuration,
63# and where lib64 -must- be used on amd64 (for applications that need lib 75# and where lib64 -must- be used on amd64 (for applications that need lib
64# to be 32bit, such as adobe acrobat). Note that this override also bypasses 76# to be 32bit, such as adobe acrobat). Note that this override also bypasses
65# portage version sanity checking. 77# portage version sanity checking.
66# get_libdir_override expects one argument, the result get_libdir should 78# get_libdir_override expects one argument, the result get_libdir should
67# return: 79# return:
68# 80#
69# get_libdir_override lib64 81# get_libdir_override lib64
70#
71# Travis Tilley <lv@gentoo.org> (31 Aug 2004)
72get_libdir_override() { 82get_libdir_override() {
73 if [ -n "$(get_abi_LIBDIR)" ]; then 83 if has_multilib_profile; then
74 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" 84 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"
75 exit 1 85 exit 1
76 fi 86 fi
77 CONF_LIBDIR="$1" 87 CONF_LIBDIR="$1"
78 CONF_LIBDIR_OVERRIDE="$1" 88 CONF_LIBDIR_OVERRIDE="$1"
89 LIBDIR_default="$1"
79} 90}
80 91
81# get_abi_var <VAR> [<ABI>] 92# @FUNCTION: get_abi_var
93# @USAGE: <VAR> [ABI]
82# returns the value of ${<VAR>_<ABI>} which should be set in make.defaults 94# @RETURN: returns the value of ${<VAR>_<ABI>} which should be set in make.defaults
83# 95# @DESCRIPTION:
84# ex: 96# ex:
85# CFLAGS=$(get_abi_var CFLAGS sparc32) # CFLAGS=-m32 97# CFLAGS=$(get_abi_var CFLAGS sparc32) # CFLAGS=-m32
86# 98#
87# Note that the prefered method is to set CC="$(tc-getCC) $(get_abi_CFLAGS)" 99# Note that the prefered method is to set CC="$(tc-getCC) $(get_abi_CFLAGS)"
88# This will hopefully be added to portage soon... 100# This will hopefully be added to portage soon...
89# 101#
90# If <ABI> is not specified, ${ABI} is used. 102# If <ABI> is not specified, ${ABI} is used.
91# If <ABI> is not specified and ${ABI} is not defined, ${DEFAULT_ABI} is used. 103# If <ABI> is not specified and ${ABI} is not defined, ${DEFAULT_ABI} is used.
92# If <ABI> is not specified and ${ABI} and ${DEFAULT_ABI} are not defined, we return an empty string. 104# If <ABI> is not specified and ${ABI} and ${DEFAULT_ABI} are not defined, we return an empty string.
93#
94# Jeremy Huddleston <eradicator@gentoo.org>
95get_abi_var() { 105get_abi_var() {
96 local flag=${1} 106 local flag=$1
97 local abi 107 local abi
98 if [ $# -gt 1 ]; then 108 if [ $# -gt 1 ]; then
99 abi=${2} 109 abi=${2}
100 elif [ -n "${ABI}" ]; then 110 elif [ -n "${ABI}" ]; then
101 abi=${ABI} 111 abi=${ABI}
102 elif [ -n "${DEFAULT_ABI}" ]; then 112 elif [ -n "${DEFAULT_ABI}" ]; then
103 abi=${DEFAULT_ABI} 113 abi=${DEFAULT_ABI}
104 else 114 else
105 return 1 115 abi="default"
106 fi 116 fi
107 117
108 local var="${flag}_${abi}" 118 local var="${flag}_${abi}"
109 echo ${!var} 119 echo ${!var}
110} 120}
111 121
122# @FUNCTION: get_abi_CFLAGS
123# @USAGE: [ABI]
124# @DESCRIPTION:
125# Alias for 'get_abi_var CFLAGS'
112get_abi_CFLAGS() { get_abi_var CFLAGS ${@}; } 126get_abi_CFLAGS() { get_abi_var CFLAGS "$@"; }
113get_abi_CXXFLAGS() { get_abi_var CXXFLAGS ${@}; } 127
128# @FUNCTION: get_abi_ASFLAGS
129# @USAGE: [ABI]
130# @DESCRIPTION:
131# Alias for 'get_abi_var ASFLAGS'
114get_abi_ASFLAGS() { get_abi_var ASFLAGS ${@}; } 132get_abi_ASFLAGS() { get_abi_var ASFLAGS "$@"; }
133
134# @FUNCTION: get_abi_LDFLAGS
135# @USAGE: [ABI]
136# @DESCRIPTION:
137# Alias for 'get_abi_var LDFLAGS'
138get_abi_LDFLAGS() { get_abi_var LDFLAGS "$@"; }
139
140# @FUNCTION: get_abi_CHOST
141# @USAGE: [ABI]
142# @DESCRIPTION:
143# Alias for 'get_abi_var CHOST'
144get_abi_CHOST() { get_abi_var CHOST "$@"; }
145
146# @FUNCTION: get_abi_CTARGET
147# @USAGE: [ABI]
148# @DESCRIPTION:
149# Alias for 'get_abi_var CTARGET'
150get_abi_CTARGET() { get_abi_var CTARGET "$@"; }
151
152# @FUNCTION: get_abi_FAKE_TARGETS
153# @USAGE: [ABI]
154# @DESCRIPTION:
155# Alias for 'get_abi_var FAKE_TARGETS'
156get_abi_FAKE_TARGETS() { get_abi_var FAKE_TARGETS "$@"; }
157
158# @FUNCTION: get_abi_CDEFINE
159# @USAGE: [ABI]
160# @DESCRIPTION:
161# Alias for 'get_abi_var CDEFINE'
162get_abi_CDEFINE() { get_abi_var CDEFINE "$@"; }
163
164# @FUNCTION: get_abi_LIBDIR
165# @USAGE: [ABI]
166# @DESCRIPTION:
167# Alias for 'get_abi_var LIBDIR'
115get_abi_LIBDIR() { get_abi_var LIBDIR ${@}; } 168get_abi_LIBDIR() { get_abi_var LIBDIR "$@"; }
116 169
117# get_all_libdir() 170# @FUNCTION: get_install_abis
171# @DESCRIPTION:
172# Return a list of the ABIs we want to install for with
173# the last one in the list being the default.
174get_install_abis() {
175 local order=""
176
177 if [[ -z ${MULTILIB_ABIS} ]] ; then
178 echo "default"
179 return 0
180 fi
181
182 if [[ ${EMULTILIB_PKG} == "true" ]] ; then
183 for x in ${MULTILIB_ABIS} ; do
184 if [[ ${x} != "${DEFAULT_ABI}" ]] ; then
185 hasq ${x} ${ABI_DENY} || ordera="${ordera} ${x}"
186 fi
187 done
188 hasq ${DEFAULT_ABI} ${ABI_DENY} || order="${ordera} ${DEFAULT_ABI}"
189
190 if [[ -n ${ABI_ALLOW} ]] ; then
191 local ordera=""
192 for x in ${order} ; do
193 if hasq ${x} ${ABI_ALLOW} ; then
194 ordera="${ordera} ${x}"
195 fi
196 done
197 order=${ordera}
198 fi
199 else
200 order=${DEFAULT_ABI}
201 fi
202
203 if [[ -z ${order} ]] ; then
204 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."
205 fi
206
207 echo ${order}
208 return 0
209}
210
211# @FUNCTION: get_all_abis
212# @DESCRIPTION:
213# Return a list of the ABIs supported by this profile.
214# the last one in the list being the default.
215get_all_abis() {
216 local order=""
217
218 if [[ -z ${MULTILIB_ABIS} ]] ; then
219 echo "default"
220 return 0
221 fi
222
223 for x in ${MULTILIB_ABIS}; do
224 if [[ ${x} != ${DEFAULT_ABI} ]] ; then
225 order="${order:+${order} }${x}"
226 fi
227 done
228 order="${order:+${order} }${DEFAULT_ABI}"
229
230 echo ${order}
231 return 0
232}
233
234# @FUNCTION: get_all_libdirs
235# @DESCRIPTION:
118# Returns a list of all the libdirs used by this profile 236# Returns a list of all the libdirs used by this profile. This includes
237# those that might not be touched by the current ebuild and always includes
238# "lib".
119get_all_libdirs() { 239get_all_libdirs() {
240 local libdirs="lib"
241 local abi
120 local libdirs 242 local dir
121 if [ -n "${MULTILIB_ABIS}" ]; then 243
122 for abi in ${MULTILIB_ABIS}; do 244 for abi in ${MULTILIB_ABIS}; do
123 libdirs="${libdirs} $(get_abi_LIBDIR ${abi})" 245 [ "$(get_abi_LIBDIR ${abi})" != "lib" ] && libdirs="${libdirs} $(get_abi_LIBDIR ${abi})"
124 done 246 done
125 libdirs="${libdirs:1}" 247
126 elif [ -n "${CONF_LIBDIR}" ]; then 248 echo "${libdirs}"
127 libdirs="${CONF_LIBDIR} ${CONF_MULTILIBDIR:=lib32}" 249}
250
251# @FUNCTION: is_final_abi
252# @DESCRIPTION:
253# Return true if ${ABI} is the last ABI on our list (or if we're not
254# using the new multilib configuration. This can be used to determine
255# if we're in the last (or only) run through src_{unpack,compile,install}
256is_final_abi() {
257 has_multilib_profile || return 0
258 local ALL_ABIS=$(get_install_abis)
259 local LAST_ABI=${ALL_ABIS/* /}
260 [[ ${LAST_ABI} == ${ABI} ]]
261}
262
263# @FUNCTION: number_abis
264# @DESCRIPTION:
265# echo the number of ABIs we will be installing for
266number_abis() {
267 get_install_abis | wc -w
268}
269
270# @FUNCTION: get_ml_incdir
271# @USAGE: [include_dir] [ABI]
272# @DESCRIPTION:
273# include dir defaults to /usr/include
274# ABI defaults to ${ABI} or ${DEFAULT_ABI}
275#
276# If a multilib include dir is associated with the passed include dir, then
277# we return it, otherwise, we just echo back the include dir. This is
278# neccessary when a built script greps header files rather than testing them
279# via #include (like perl) to figure out features.
280get_ml_incdir() {
281 local dir=/usr/include
282
283 if [[ $# -gt 0 ]]; then
284 incdir=$1
285 shift
286 fi
287
288 if [[ -z "${MULTILIB_ABIS}" ]]; then
289 echo ${incdir}
290 return 0
291 fi
292
293 local abi=${ABI-${DEFAULT_ABI}}
294 if [[ $# -gt 0 ]]; then
295 abi=$1
296 shift
297 fi
298
299 if [[ -d "${dir}/gentoo-multilib/${abi}" ]]; then
300 echo ${dir}/gentoo-multilib/${abi}
128 else 301 else
129 libdirs="lib" 302 echo ${dir}
303 fi
304}
305
306# @FUNCTION: prep_ml_includes
307# @DESCRIPTION:
308# Some includes (include/asm, glibc, etc) are ABI dependent. In this case,
309# We can install them in different locations for each ABI and create a common
310# header which includes the right one based on CDEFINE_${ABI}. If your
311# package installs ABI-specific headers, just add 'prep_ml_includes' to the
312# end of your src_install(). It takes a list of directories that include
313# files are installed in (default is /usr/include if none are passed).
314#
315# Example:
316# src_install() {
317# ...
318# prep_ml_includes /usr/qt/3/include
319# }
320prep_ml_includes() {
321 if [[ $(number_abis) -gt 1 ]] ; then
322 local dir
323 local dirs
324 local base
325
326 if [[ $# -eq 0 ]] ; then
327 dirs=/usr/include
328 else
329 dirs="$@"
130 fi 330 fi
131 331
332 for dir in ${dirs} ; do
333 base=${T}/gentoo-multilib/${dir}/gentoo-multilib
334 mkdir -p "${base}"
335 [[ -d ${base}/${ABI} ]] && rm -rf "${base}/${ABI}"
336 mv "${D}/${dir}" "${base}/${ABI}"
337 done
338
339 if is_final_abi; then
340 base=${T}/gentoo-multilib
341 pushd "${base}"
342 find . | tar -c -T - -f - | tar -x --no-same-owner -f - -C "${D}"
343 popd
344
345 # This 'set' stuff is required by mips profiles to properly pass
346 # CDEFINE's (which have spaces) to sub-functions
347 set --
348 for dir in ${dirs} ; do
349 set -- "$@" "${dir}"
350 local abi
351 for abi in $(get_install_abis); do
352 set -- "$@" "$(get_abi_CDEFINE ${abi}):${dir}/gentoo-multilib/${abi}"
353 done
354 create_ml_includes "$@"
355 done
356 fi
357 fi
358}
359
360# @FUNCTION: create_ml_includes
361# @USAGE: <include_dir> <symbol_1>:<dir_1> [<symbol_2>:<dir_2>...]
362# @DESCRIPTION:
363# If you need more control than prep_ml_includes can offer (like linux-headers
364# for the asm-* dirs, then use create_ml_includes. The firs argument is the
365# common dir. The remaining args are of the form <symbol>:<dir> where
366# <symbol> is what is put in the #ifdef for choosing that dir.
367#
368# Ideas for this code came from debian's sparc-linux headers package.
369#
370# Example:
371# create_ml_includes /usr/include/asm __sparc__:/usr/include/asm-sparc __sparc64__:/usr/include/asm-sparc64
372# create_ml_includes /usr/include/asm __i386__:/usr/include/asm-i386 __x86_64__:/usr/include/asm-x86_64
373#
374# Warning: Be careful with the ordering here. The default ABI has to be the
375# last, because it is always defined (by GCC)
376create_ml_includes() {
377 local dest=$1
378 shift
379 local basedirs=$(create_ml_includes-listdirs "$@")
380
381 create_ml_includes-makedestdirs ${dest} ${basedirs}
382
383 local file
384 for file in $(create_ml_includes-allfiles ${basedirs}) ; do
385 #local name=$(echo ${file} | tr '[:lower:]' '[:upper:]' | sed 's:[^[:upper:]]:_:g')
386 (
387 echo "/* Autogenerated by create_ml_includes() in multilib.eclass */"
388
389 local dir
390 for dir in ${basedirs}; do
391 if [[ -f ${D}/${dir}/${file} ]] ; then
392 echo ""
393 local sym=$(create_ml_includes-sym_for_dir ${dir} "$@")
394 if [[ ${sym/=} != "${sym}" ]] ; then
395 echo "#if ${sym}"
396 elif [[ ${sym::1} == "!" ]] ; then
397 echo "#ifndef ${sym:1}"
398 else
399 echo "#ifdef ${sym}"
400 fi
401 echo "# include <$(create_ml_includes-absolute ${dir}/${file})>"
402 echo "#endif /* ${sym} */"
403 fi
404 done
405
406 #echo "#endif /* __CREATE_ML_INCLUDES_STUB_${name}__ */"
407 ) > "${D}/${dest}/${file}"
408 done
409}
410
411# Helper function for create_ml_includes
412create_ml_includes-absolute() {
413 local dst="$(create_ml_includes-tidy_path $1)"
414
415 dst=(${dst//\// })
416
417 local i
418 for ((i=0; i<${#dst[*]}; i++)); do
419 [ "${dst[i]}" == "include" ] && break
420 done
421
422 local strip_upto=$i
423
424 for ((i=strip_upto+1; i<${#dst[*]}-1; i++)); do
425 echo -n ${dst[i]}/
426 done
427
428 echo -n ${dst[i]}
429}
430
431# Helper function for create_ml_includes
432create_ml_includes-tidy_path() {
433 local removed=$1
434
435 if [ -n "${removed}" ]; then
436 # Remove multiple slashes
437 while [ "${removed}" != "${removed/\/\//\/}" ]; do
438 removed=${removed/\/\//\/}
439 done
440
441 # Remove . directories
442 while [ "${removed}" != "${removed//\/.\//\/}" ]; do
443 removed=${removed//\/.\//\/}
444 done
445 [ "${removed##*/}" = "." ] && removed=${removed%/*}
446
447 # Removed .. directories
448 while [ "${removed}" != "${removed//\/..\/}" ]; do
449 local p1="${removed%%\/..\/*}"
450 local p2="${removed#*\/..\/}"
451
452 removed="${p1%\/*}/${p2}"
453 done
454
455 # Remove trailing ..
456 [ "${removed##*/}" = ".." ] && removed=${removed%/*/*}
457
458 # Remove trailing /
459 [ "${removed##*/}" = "" ] && removed=${removed%/*}
460
461 echo ${removed}
462 fi
463}
464
465# Helper function for create_ml_includes
466create_ml_includes-listdirs() {
467 local dirs
468 local data
469 for data in "$@"; do
470 dirs="${dirs} ${data/*:/}"
471 done
132 echo "${libdirs}" 472 echo ${dirs:1}
133} 473}
474
475# Helper function for create_ml_includes
476create_ml_includes-makedestdirs() {
477 local dest=$1
478 shift
479 local basedirs=$@
480
481 dodir ${dest}
482
483 local basedir
484 for basedir in ${basedirs}; do
485 local dir
486 for dir in $(find "${D}"/${basedir} -type d); do
487 dodir ${dest}/${dir/${D}\/${basedir}/}
488 done
489 done
490}
491
492# Helper function for create_ml_includes
493create_ml_includes-allfiles() {
494 local basedir file
495 for basedir in "$@" ; do
496 for file in $(find "${D}"/${basedir} -type f); do
497 echo ${file/${D}\/${basedir}\//}
498 done
499 done | sort | uniq
500}
501
502# Helper function for create_ml_includes
503create_ml_includes-sym_for_dir() {
504 local dir=$1
505 shift
506 local data
507 for data in "$@"; do
508 if [[ ${data} == *:${dir} ]] ; then
509 echo ${data/:*/}
510 return 0
511 fi
512 done
513 echo "Shouldn't be here -- create_ml_includes-sym_for_dir $1 $@"
514 # exit because we'll likely be called from a subshell
515 exit 1
516}
517
518# @FUNCTION: get_libname
519# @USAGE: [version]
520# @DESCRIPTION:
521# Returns libname with proper suffix {.so,.dylib} and optionally supplied version
522# for ELF/MACH-O shared objects
523#
524# Example:
525# get_libname libfoo ${PV}
526# Returns: libfoo.so.${PV} (ELF) || libfoo.${PV}.dylib (MACH)
527get_libname() {
528 local libname
529 local ver=$1
530 case ${CHOST} in
531 *-cygwin|mingw*|*-mingw*) libname="dll";;
532 *-darwin*) libname="dylib";;
533 *) libname="so";;
534 esac
535
536 if [[ -z $* ]] ; then
537 echo ".${libname}"
538 else
539 for ver in "$@" ; do
540 case ${CHOST} in
541 *-darwin*) echo ".${ver}.${libname}";;
542 *) echo ".${libname}.${ver}";;
543 esac
544 done
545 fi
546}
547
548# This is for the toolchain to setup profile variables when pulling in
549# a crosscompiler (and thus they aren't set in the profile)
550multilib_env() {
551 local CTARGET=${1:-${CTARGET}}
552
553 case ${CTARGET} in
554 x86_64*)
555 export CFLAGS_x86=${CFLAGS_x86--m32}
556 export CHOST_x86=${CTARGET/x86_64/i686}
557 export CTARGET_x86=${CHOST_x86}
558 export CDEFINE_x86="__i386__"
559 export LIBDIR_x86="lib"
560
561 export CFLAGS_amd64=${CFLAGS_amd64--m64}
562 export CHOST_amd64=${CTARGET}
563 export CTARGET_amd64=${CHOST_amd64}
564 export CDEFINE_amd64="__x86_64__"
565 export LIBDIR_amd64="lib64"
566
567 export MULTILIB_ABIS="amd64 x86"
568 export DEFAULT_ABI="amd64"
569 ;;
570 mips64*)
571 export CFLAGS_o32=${CFLAGS_o32--mabi=32}
572 export CHOST_o32=${CTARGET/mips64/mips}
573 export CTARGET_o32=${CHOST_o32}
574 export CDEFINE_o32="_MIPS_SIM == _ABIO32"
575 export LIBDIR_o32="lib"
576
577 export CFLAGS_n32=${CFLAGS_n32--mabi=n32}
578 export CHOST_n32=${CTARGET}
579 export CTARGET_n32=${CHOST_n32}
580 export CDEFINE_n32="_MIPS_SIM == _ABIN32"
581 export LIBDIR_n32="lib32"
582
583 export CFLAGS_n64=${CFLAGS_n64--mabi=64}
584 export CHOST_n64=${CTARGET}
585 export CTARGET_n64=${CHOST_n64}
586 export CDEFINE_n64="_MIPS_SIM == _ABI64"
587 export LIBDIR_n64="lib64"
588
589 export MULTILIB_ABIS="n64 n32 o32"
590 export DEFAULT_ABI="n32"
591 ;;
592 powerpc64*)
593 export CFLAGS_ppc=${CFLAGS_ppc--m32}
594 export CHOST_ppc=${CTARGET/powerpc64/powerpc}
595 export CTARGET_ppc=${CHOST_ppc}
596 export CDEFINE_ppc="!__powerpc64__"
597 export LIBDIR_ppc="lib"
598
599 export CFLAGS_ppc64=${CFLAGS_ppc64--m64}
600 export CHOST_ppc64=${CTARGET}
601 export CTARGET_ppc64=${CHOST_ppc64}
602 export CDEFINE_ppc64="__powerpc64__"
603 export LIBDIR_ppc64="lib64"
604
605 export MULTILIB_ABIS="ppc64 ppc"
606 export DEFAULT_ABI="ppc64"
607 ;;
608 s390x*)
609 export CFLAGS_s390=${CFLAGS_s390--m31} # the 31 is not a typo
610 export CHOST_s390=${CTARGET/s390x/s390}
611 export CTARGET_s390=${CHOST_s390}
612 export CDEFINE_s390="!__s390x__"
613 export LIBDIR_s390="lib"
614
615 export CFLAGS_s390x=${CFLAGS_s390x--m64}
616 export CHOST_s390x=${CTARGET}
617 export CTARGET_s390x=${CHOST_s390x}
618 export CDEFINE_s390x="__s390x__"
619 export LIBDIR_s390x="lib64"
620
621 export MULTILIB_ABIS="s390x s390"
622 export DEFAULT_ABI="s390x"
623 ;;
624 sparc*)
625 export CFLAGS_sparc32=${CFLAGS_sparc32}
626 export CHOST_sparc32=${CTARGET/sparc64/sparc}
627 export CTARGET_sparc32=${CHOST_sparc32}
628 export CDEFINE_sparc32="!__arch64__"
629 export LIBDIR_sparc32="lib"
630
631 export CFLAGS_sparc64=${CFLAGS_sparc64--m64}
632 export CHOST_sparc64=${CTARGET}
633 export CTARGET_sparc64=${CHOST_sparc64}
634 export CDEFINE_sparc64="__arch64__"
635 export LIBDIR_sparc64="lib64"
636
637 export MULTILIB_ABIS="${MULTILIB_ABIS-sparc64 sparc32}"
638 export DEFAULT_ABI="${DEFAULT_ABI-sparc64}"
639 ;;
640 *)
641 export MULTILIB_ABIS="default"
642 export DEFAULT_ABI="default"
643 ;;
644 esac
645}
646
647# @FUNCTION: multilib_toolchain_setup
648# @DESCRIPTION:
649# Hide multilib details here for packages which are forced to be compiled for a
650# specific ABI when run on another ABI (like x86-specific packages on amd64)
651multilib_toolchain_setup() {
652 local v vv
653
654 export ABI=$1
655
656 # We want to avoid the behind-the-back magic of gcc-config as it
657 # screws up ccache and distcc. See #196243 for more info.
658 if [[ ${ABI} != ${DEFAULT_ABI} ]] ; then
659 if [[ ${DEFAULT_ABI_SAVED} != "true" ]] ; then
660 for v in CHOST CBUILD AS CC CXX LD ; do
661 export __abi_saved_${v}="${!v}"
662 done
663 export DEFAULT_ABI_SAVED="true"
664 fi
665
666 # Set the CHOST native first so that we pick up the native
667 # toolchain and not a cross-compiler by accident #202811.
668 export CHOST=$(get_abi_CHOST ${DEFAULT_ABI})
669 export AS="$(tc-getAS) $(get_abi_ASFLAGS)"
670 export CC="$(tc-getCC) $(get_abi_CFLAGS)"
671 export CXX="$(tc-getCXX) $(get_abi_CFLAGS)"
672 export LD="$(tc-getLD) $(get_abi_LDFLAGS)"
673 export CHOST=$(get_abi_CHOST $1)
674 export CBUILD=$(get_abi_CHOST $1)
675
676 elif [[ ${DEFAULT_ABI_SAVED} == "true" ]] ; then
677 for v in CHOST CBUILD AS CC CXX LD ; do
678 vv="__abi_saved_${v}"
679 export ${v}=${!vv}
680 done
681 fi
682}

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