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1# Copyright 1999-2007 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 1.60 2007/03/27 01:46:50 vapier Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/multilib.eclass,v 1.65 2008/06/01 01:37:29 vapier Exp $
4# 4
5# Maintainer: amd64@gentoo.org / toolchain@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
10___ECLASS_RECUR_MULTILIB="yes" 13___ECLASS_RECUR_MULTILIB="yes"
11[[ -z ${___ECLASS_RECUR_TOOLCHAIN_FUNCS} ]] && inherit toolchain-funcs 14[[ -z ${___ECLASS_RECUR_TOOLCHAIN_FUNCS} ]] && inherit toolchain-funcs
12
13DESCRIPTION="Based on the ${ECLASS} eclass"
14
15# has_multilib_profile:
16# Return true if the current profile is a multilib profile and lists more than
17# one abi in ${MULTILIB_ABIS}. You might want to use this like
18# 'use multilib || has_multilib_profile' until all profiles utilizing the
19# 'multilib' use flag are removed from portage
20 15
21# is_final_abi: 16# is_final_abi:
22# Return true if ${ABI} is the final abi to be installed (and thus we are 17# Return true if ${ABI} is the final abi to be installed (and thus we are
23# on our last run through a src_* function. 18# on our last run through a src_* function.
24 19
105export CTARGET_default=${CTARGET_default:-${CTARGET:-${CHOST_default}}} 100export CTARGET_default=${CTARGET_default:-${CTARGET:-${CHOST_default}}}
106export LIBDIR_default=${CONF_LIBDIR:-"lib"} 101export LIBDIR_default=${CONF_LIBDIR:-"lib"}
107export CDEFINE_default="__unix__" 102export CDEFINE_default="__unix__"
108export KERNEL_ABI=${KERNEL_ABI:-${DEFAULT_ABI}} 103export KERNEL_ABI=${KERNEL_ABI:-${DEFAULT_ABI}}
109 104
110# has_multilib_profile() 105# @FUNCTION: has_multilib_profile
106# @DESCRIPTION:
107# Return true if the current profile is a multilib profile and lists more than
108# one abi in ${MULTILIB_ABIS}. When has_multilib_profile returns true, that
109# profile should enable the 'multilib' use flag. This is so you can DEPEND on
110# a package only for multilib or not multilib.
111has_multilib_profile() { 111has_multilib_profile() {
112 [ -n "${MULTILIB_ABIS}" -a "${MULTILIB_ABIS}" != "${MULTILIB_ABIS/ /}" ] 112 [ -n "${MULTILIB_ABIS}" -a "${MULTILIB_ABIS}" != "${MULTILIB_ABIS/ /}" ]
113} 113}
114 114
115# @FUNCTION: get_libdir
116# @RETURN: the libdir for the selected ABI
117# @DESCRIPTION:
115# This function simply returns the desired lib directory. With portage 118# This function simply returns the desired lib directory. With portage
116# 2.0.51, we now have support for installing libraries to lib32/lib64 119# 2.0.51, we now have support for installing libraries to lib32/lib64
117# to accomidate the needs of multilib systems. It's no longer a good idea 120# to accomidate the needs of multilib systems. It's no longer a good idea
118# to assume all libraries will end up in lib. Replace any (sane) instances 121# to assume all libraries will end up in lib. Replace any (sane) instances
119# where lib is named directly with $(get_libdir) if possible. 122# where lib is named directly with $(get_libdir) if possible.
120#
121# Travis Tilley <lv@gentoo.org> (24 Aug 2004)
122# 123#
123# Jeremy Huddleston <eradicator@gentoo.org> (23 Dec 2004): 124# Jeremy Huddleston <eradicator@gentoo.org> (23 Dec 2004):
124# Added support for ${ABI} and ${DEFAULT_ABI}. If they're both not set, 125# Added support for ${ABI} and ${DEFAULT_ABI}. If they're both not set,
125# fall back on old behavior. Any profile that has these set should also 126# fall back on old behavior. Any profile that has these set should also
126# depend on a newer version of portage (not yet released) which uses these 127# depend on a newer version of portage (not yet released) which uses these
133 else 134 else
134 get_abi_LIBDIR 135 get_abi_LIBDIR
135 fi 136 fi
136} 137}
137 138
139# @FUNCTION: get_multilibdir
140# @RETURN: Returns the multilibdir
138get_multilibdir() { 141get_multilibdir() {
139 if has_multilib_profile; then 142 if has_multilib_profile; then
140 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" 143 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"
141 exit 1 144 exit 1
142 fi 145 fi
143 echo ${CONF_MULTILIBDIR:=lib32} 146 echo ${CONF_MULTILIBDIR:=lib32}
144} 147}
145 148
149# @FUNCTION: get_libdir_override
150# @DESCRIPTION:
146# Sometimes you need to override the value returned by get_libdir. A good 151# Sometimes you need to override the value returned by get_libdir. A good
147# example of this is xorg-x11, where lib32 isnt a supported configuration, 152# example of this is xorg-x11, where lib32 isnt a supported configuration,
148# and where lib64 -must- be used on amd64 (for applications that need lib 153# and where lib64 -must- be used on amd64 (for applications that need lib
149# to be 32bit, such as adobe acrobat). Note that this override also bypasses 154# to be 32bit, such as adobe acrobat). Note that this override also bypasses
150# portage version sanity checking. 155# portage version sanity checking.
151# get_libdir_override expects one argument, the result get_libdir should 156# get_libdir_override expects one argument, the result get_libdir should
152# return: 157# return:
153# 158#
154# get_libdir_override lib64 159# get_libdir_override lib64
155#
156# Travis Tilley <lv@gentoo.org> (31 Aug 2004)
157get_libdir_override() { 160get_libdir_override() {
158 if has_multilib_profile; then 161 if has_multilib_profile; then
159 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" 162 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"
160 exit 1 163 exit 1
161 fi 164 fi
162 CONF_LIBDIR="$1" 165 CONF_LIBDIR="$1"
163 CONF_LIBDIR_OVERRIDE="$1" 166 CONF_LIBDIR_OVERRIDE="$1"
164 LIBDIR_default="$1" 167 LIBDIR_default="$1"
165} 168}
166 169
167# get_abi_var <VAR> [<ABI>] 170# @FUNCTION: get_abi_var
171# @USAGE: <VAR> [ABI]
168# returns the value of ${<VAR>_<ABI>} which should be set in make.defaults 172# @RETURN: returns the value of ${<VAR>_<ABI>} which should be set in make.defaults
169# 173# @DESCRIPTION:
170# ex: 174# ex:
171# CFLAGS=$(get_abi_var CFLAGS sparc32) # CFLAGS=-m32 175# CFLAGS=$(get_abi_var CFLAGS sparc32) # CFLAGS=-m32
172# 176#
173# Note that the prefered method is to set CC="$(tc-getCC) $(get_abi_CFLAGS)" 177# Note that the prefered method is to set CC="$(tc-getCC) $(get_abi_CFLAGS)"
174# This will hopefully be added to portage soon... 178# This will hopefully be added to portage soon...
175# 179#
176# If <ABI> is not specified, ${ABI} is used. 180# If <ABI> is not specified, ${ABI} is used.
177# If <ABI> is not specified and ${ABI} is not defined, ${DEFAULT_ABI} is used. 181# If <ABI> is not specified and ${ABI} is not defined, ${DEFAULT_ABI} is used.
178# If <ABI> is not specified and ${ABI} and ${DEFAULT_ABI} are not defined, we return an empty string. 182# If <ABI> is not specified and ${ABI} and ${DEFAULT_ABI} are not defined, we return an empty string.
179#
180# Jeremy Huddleston <eradicator@gentoo.org>
181get_abi_var() { 183get_abi_var() {
182 local flag=$1 184 local flag=$1
183 local abi 185 local abi
184 if [ $# -gt 1 ]; then 186 if [ $# -gt 1 ]; then
185 abi=${2} 187 abi=${2}
193 195
194 local var="${flag}_${abi}" 196 local var="${flag}_${abi}"
195 echo ${!var} 197 echo ${!var}
196} 198}
197 199
200# @FUNCTION: get_abi_CFLAGS
201# @USAGE: [ABI]
202# @DESCRIPTION:
203# Alias for 'get_abi_var CFLAGS'
198get_abi_CFLAGS() { get_abi_var CFLAGS "$@"; } 204get_abi_CFLAGS() { get_abi_var CFLAGS "$@"; }
205
206# @FUNCTION: get_abi_ASFLAGS
207# @USAGE: [ABI]
208# @DESCRIPTION:
209# Alias for 'get_abi_var ASFLAGS'
199get_abi_ASFLAGS() { get_abi_var ASFLAGS "$@"; } 210get_abi_ASFLAGS() { get_abi_var ASFLAGS "$@"; }
211
212# @FUNCTION: get_abi_LDFLAGS
213# @USAGE: [ABI]
214# @DESCRIPTION:
215# Alias for 'get_abi_var LDFLAGS'
200get_abi_LDFLAGS() { get_abi_var LDFLAGS "$@"; } 216get_abi_LDFLAGS() { get_abi_var LDFLAGS "$@"; }
217
218# @FUNCTION: get_abi_CHOST
219# @USAGE: [ABI]
220# @DESCRIPTION:
221# Alias for 'get_abi_var CHOST'
201get_abi_CHOST() { get_abi_var CHOST "$@"; } 222get_abi_CHOST() { get_abi_var CHOST "$@"; }
223
224# @FUNCTION: get_abi_CTARGET
225# @USAGE: [ABI]
226# @DESCRIPTION:
227# Alias for 'get_abi_var CTARGET'
202get_abi_CTARGET() { get_abi_var CTARGET "$@"; } 228get_abi_CTARGET() { get_abi_var CTARGET "$@"; }
229
230# @FUNCTION: get_abi_FAKE_TARGETS
231# @USAGE: [ABI]
232# @DESCRIPTION:
233# Alias for 'get_abi_var FAKE_TARGETS'
203get_abi_FAKE_TARGETS() { get_abi_var FAKE_TARGETS "$@"; } 234get_abi_FAKE_TARGETS() { get_abi_var FAKE_TARGETS "$@"; }
235
236# @FUNCTION: get_abi_CDEFINE
237# @USAGE: [ABI]
238# @DESCRIPTION:
239# Alias for 'get_abi_var CDEFINE'
204get_abi_CDEFINE() { get_abi_var CDEFINE "$@"; } 240get_abi_CDEFINE() { get_abi_var CDEFINE "$@"; }
241
242# @FUNCTION: get_abi_LIBDIR
243# @USAGE: [ABI]
244# @DESCRIPTION:
245# Alias for 'get_abi_var LIBDIR'
205get_abi_LIBDIR() { get_abi_var LIBDIR "$@"; } 246get_abi_LIBDIR() { get_abi_var LIBDIR "$@"; }
206 247
248# @FUNCTION: get_install_abis
249# @DESCRIPTION:
207# Return a list of the ABIs we want to install for with 250# Return a list of the ABIs we want to install for with
208# the last one in the list being the default. 251# the last one in the list being the default.
209get_install_abis() { 252get_install_abis() {
210 local order="" 253 local order=""
211 254
212 if [[ -z ${MULTILIB_ABIS} ]] ; then 255 if [[ -z ${MULTILIB_ABIS} ]] ; then
213 echo "default" 256 echo "default"
214 return 0 257 return 0
215 fi 258 fi
216 259
217 if hasq multilib-pkg-force ${RESTRICT} || 260 if [[ ${EMULTILIB_PKG} == "true" ]] ; then
218 { hasq multilib-pkg ${FEATURES} && hasq multilib-pkg ${RESTRICT}; }; then
219 for x in ${MULTILIB_ABIS} ; do 261 for x in ${MULTILIB_ABIS} ; do
220 if [[ ${x} != "${DEFAULT_ABI}" ]] ; then 262 if [[ ${x} != "${DEFAULT_ABI}" ]] ; then
221 hasq ${x} ${ABI_DENY} || ordera="${ordera} ${x}" 263 hasq ${x} ${ABI_DENY} || ordera="${ordera} ${x}"
222 fi 264 fi
223 done 265 done
242 284
243 echo ${order} 285 echo ${order}
244 return 0 286 return 0
245} 287}
246 288
289# @FUNCTION: get_all_abis
290# @DESCRIPTION:
247# Return a list of the ABIs supported by this profile. 291# Return a list of the ABIs supported by this profile.
248# the last one in the list being the default. 292# the last one in the list being the default.
249get_all_abis() { 293get_all_abis() {
250 local order="" 294 local order=""
251 295
263 307
264 echo ${order} 308 echo ${order}
265 return 0 309 return 0
266} 310}
267 311
268# get_all_libdirs() 312# @FUNCTION: get_all_libdirs
313# @DESCRIPTION:
269# Returns a list of all the libdirs used by this profile. This includes 314# Returns a list of all the libdirs used by this profile. This includes
270# those that might not be touched by the current ebuild. 315# those that might not be touched by the current ebuild and always includes
316# "lib".
271get_all_libdirs() { 317get_all_libdirs() {
272 local libdirs="lib" 318 local libdirs="lib"
273 local abi 319 local abi
274 local dir 320 local dir
275 321
278 done 324 done
279 325
280 echo "${libdirs}" 326 echo "${libdirs}"
281} 327}
282 328
329# @FUNCTION: is_final_abi
330# @DESCRIPTION:
283# Return true if ${ABI} is the last ABI on our list (or if we're not 331# Return true if ${ABI} is the last ABI on our list (or if we're not
284# using the new multilib configuration. This can be used to determine 332# using the new multilib configuration. This can be used to determine
285# if we're in the last (or only) run through src_{unpack,compile,install} 333# if we're in the last (or only) run through src_{unpack,compile,install}
286is_final_abi() { 334is_final_abi() {
287 has_multilib_profile || return 0 335 has_multilib_profile || return 0
288 local ALL_ABIS=$(get_install_abis) 336 local ALL_ABIS=$(get_install_abis)
289 local LAST_ABI=${ALL_ABIS/* /} 337 local LAST_ABI=${ALL_ABIS/* /}
290 [[ ${LAST_ABI} == ${ABI} ]] 338 [[ ${LAST_ABI} == ${ABI} ]]
291} 339}
292 340
341# @FUNCTION: number_abis
342# @DESCRIPTION:
293# echo the number of ABIs we will be installing for 343# echo the number of ABIs we will be installing for
294number_abis() { 344number_abis() {
295 get_install_abis | wc -w 345 get_install_abis | wc -w
296} 346}
297 347
298# get_ml_incdir [<include dir> [<ABI>]] 348# @FUNCTION: get_ml_incdir
349# @USAGE: [include_dir] [ABI]
350# @DESCRIPTION:
299# include dir defaults to /usr/include 351# include dir defaults to /usr/include
300# ABI defaults to ${ABI} or ${DEFAULT_ABI} 352# ABI defaults to ${ABI} or ${DEFAULT_ABI}
353#
354# If a multilib include dir is associated with the passed include dir, then
355# we return it, otherwise, we just echo back the include dir. This is
356# neccessary when a built script greps header files rather than testing them
357# via #include (like perl) to figure out features.
301get_ml_incdir() { 358get_ml_incdir() {
302 local dir=/usr/include 359 local dir=/usr/include
303 360
304 if [[ $# -gt 0 ]]; then 361 if [[ $# -gt 0 ]]; then
305 incdir=$1 362 incdir=$1
322 else 379 else
323 echo ${dir} 380 echo ${dir}
324 fi 381 fi
325} 382}
326 383
327# prep_ml_includes: 384# @FUNCTION: prep_ml_includes
328# 385# @DESCRIPTION:
329# Some includes (include/asm, glibc, etc) are ABI dependent. In this case, 386# Some includes (include/asm, glibc, etc) are ABI dependent. In this case,
330# We can install them in different locations for each ABI and create a common 387# We can install them in different locations for each ABI and create a common
331# header which includes the right one based on CDEFINE_${ABI}. If your 388# header which includes the right one based on CDEFINE_${ABI}. If your
332# package installs ABI-specific headers, just add 'prep_ml_includes' to the 389# package installs ABI-specific headers, just add 'prep_ml_includes' to the
333# end of your src_install(). It takes a list of directories that include 390# end of your src_install(). It takes a list of directories that include
334# files are installed in (default is /usr/include if none are passed). 391# files are installed in (default is /usr/include if none are passed).
335# 392#
336# Example: 393# Example:
337# src_install() { 394# src_install() {
338# ... 395# ...
339# prep_ml_includes /usr/qt/3/include 396# prep_ml_includes /usr/qt/3/include
340# } 397# }
341
342prep_ml_includes() { 398prep_ml_includes() {
343 if [[ $(number_abis) -gt 1 ]] ; then 399 if [[ $(number_abis) -gt 1 ]] ; then
344 local dir 400 local dir
345 local dirs 401 local dirs
346 local base 402 local base
377 done 433 done
378 fi 434 fi
379 fi 435 fi
380} 436}
381 437
438# @FUNCTION: create_ml_includes
439# @USAGE: <include_dir> <symbol_1>:<dir_1> [<symbol_2>:<dir_2>...]
440# @DESCRIPTION:
382# If you need more control than prep_ml_includes can offer (like linux-headers 441# If you need more control than prep_ml_includes can offer (like linux-headers
383# for the asm-* dirs, then use create_ml_includes. The firs argument is the 442# for the asm-* dirs, then use create_ml_includes. The firs argument is the
384# common dir. The remaining args are of the form <symbol>:<dir> where 443# common dir. The remaining args are of the form <symbol>:<dir> where
385# <symbol> is what is put in the #ifdef for choosing that dir. 444# <symbol> is what is put in the #ifdef for choosing that dir.
386# 445#
387# Ideas for this code came from debian's sparc-linux headers package. 446# Ideas for this code came from debian's sparc-linux headers package.
388# 447#
389# Example: 448# Example:
390# create_ml_includes /usr/include/asm __sparc__:/usr/include/asm-sparc __sparc64__:/usr/include/asm-sparc64 449# create_ml_includes /usr/include/asm __sparc__:/usr/include/asm-sparc __sparc64__:/usr/include/asm-sparc64
391# create_ml_includes /usr/include/asm __i386__:/usr/include/asm-i386 __x86_64__:/usr/include/asm-x86_64 450# create_ml_includes /usr/include/asm __i386__:/usr/include/asm-i386 __x86_64__:/usr/include/asm-x86_64
392# 451#
393# Warning: Be careful with the ordering here. The default ABI has to be the 452# Warning: Be careful with the ordering here. The default ABI has to be the
394# last, because it is always defined (by GCC) 453# last, because it is always defined (by GCC)
395create_ml_includes() { 454create_ml_includes() {
396 local dest=$1 455 local dest=$1
532 echo "Shouldn't be here -- create_ml_includes-sym_for_dir $1 $@" 591 echo "Shouldn't be here -- create_ml_includes-sym_for_dir $1 $@"
533 # exit because we'll likely be called from a subshell 592 # exit because we'll likely be called from a subshell
534 exit 1 593 exit 1
535} 594}
536 595
596# @FUNCTION: get_libname
597# @USAGE: [version]
598# @DESCRIPTION:
599# Returns libname with proper suffix {.so,.dylib} and optionally supplied version
600# for ELF/MACH-O shared objects
601#
602# Example:
603# get_libname libfoo ${PV}
604# Returns: libfoo.so.${PV} (ELF) || libfoo.${PV}.dylib (MACH)
537get_libname() { 605get_libname() {
538 local libname 606 local libname
539 local ver=$1 607 local ver=$1
540 case ${CHOST} in 608 case ${CHOST} in
609 mingw*|*-mingw*) libname="dll";;
541 *-darwin*) libname="dylib";; 610 *-darwin*) libname="dylib";;
542 *) libname="so";; 611 *) libname="so";;
543 esac 612 esac
544 613
545 if [[ -z $@ ]] ; then 614 if [[ -z $* ]] ; then
546 echo ".${libname}" 615 echo ".${libname}"
547 else 616 else
548 for ver in "$@" ; do 617 for ver in "$@" ; do
549 case ${CHOST} in 618 case ${CHOST} in
550 *-darwin*) echo ".${ver}.${libname}";; 619 *-darwin*) echo ".${ver}.${libname}";;
651 export DEFAULT_ABI="default" 720 export DEFAULT_ABI="default"
652 ;; 721 ;;
653 esac 722 esac
654} 723}
655 724
725# @FUNCTION: multilib_toolchain_setup
726# @DESCRIPTION:
656# Hide multilib details here for packages which are forced to be compiled for a 727# Hide multilib details here for packages which are forced to be compiled for a
657# specific ABI when run on another ABI (like x86-specific packages on amd64) 728# specific ABI when run on another ABI (like x86-specific packages on amd64)
658multilib_toolchain_setup() { 729multilib_toolchain_setup() {
659 export ABI=$1 730 export ABI=$1
660 731

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