/[gentoo-x86]/eclass/multilib.eclass
Gentoo

Contents of /eclass/multilib.eclass

Parent Directory Parent Directory | Revision Log Revision Log


Revision 1.103 - (show annotations) (download)
Mon Apr 22 01:18:51 2013 UTC (15 months, 1 week ago) by vapier
Branch: MAIN
Changes since 1.102: +4 -3 lines
keep unset multilib vars unset rather than exporting them as empty #461682 by Julian Ospald

1 # Copyright 1999-2013 Gentoo Foundation
2 # Distributed under the terms of the GNU General Public License v2
3 # $Header: /var/cvsroot/gentoo-x86/eclass/multilib.eclass,v 1.102 2013/01/21 19:22:25 mgorny Exp $
4
5 # @ECLASS: multilib.eclass
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:
11 # This eclass is for all functions pertaining to handling multilib configurations.
12
13 if [[ ${___ECLASS_ONCE_MULTILIB} != "recur -_+^+_- spank" ]] ; then
14 ___ECLASS_ONCE_MULTILIB="recur -_+^+_- spank"
15
16 inherit toolchain-funcs
17
18 # Defaults:
19 export MULTILIB_ABIS=${MULTILIB_ABIS:-"default"}
20 export DEFAULT_ABI=${DEFAULT_ABI:-"default"}
21 export CFLAGS_default
22 export LDFLAGS_default
23 export CHOST_default=${CHOST_default:-${CHOST}}
24 export CTARGET_default=${CTARGET_default:-${CTARGET:-${CHOST_default}}}
25 export LIBDIR_default=${CONF_LIBDIR:-"lib"}
26 export KERNEL_ABI=${KERNEL_ABI:-${DEFAULT_ABI}}
27
28 # @FUNCTION: has_multilib_profile
29 # @DESCRIPTION:
30 # Return true if the current profile is a multilib profile and lists more than
31 # one abi in ${MULTILIB_ABIS}. When has_multilib_profile returns true, that
32 # profile should enable the 'multilib' use flag. This is so you can DEPEND on
33 # a package only for multilib or not multilib.
34 has_multilib_profile() {
35 [ -n "${MULTILIB_ABIS}" -a "${MULTILIB_ABIS}" != "${MULTILIB_ABIS/ /}" ]
36 }
37
38 # @FUNCTION: get_libdir
39 # @RETURN: the libdir for the selected ABI
40 # @DESCRIPTION:
41 # This function simply returns the desired lib directory. With portage
42 # 2.0.51, we now have support for installing libraries to lib32/lib64
43 # to accomidate the needs of multilib systems. It's no longer a good idea
44 # to assume all libraries will end up in lib. Replace any (sane) instances
45 # where lib is named directly with $(get_libdir) if possible.
46 #
47 # Jeremy Huddleston <eradicator@gentoo.org> (23 Dec 2004):
48 # Added support for ${ABI} and ${DEFAULT_ABI}. If they're both not set,
49 # fall back on old behavior. Any profile that has these set should also
50 # depend on a newer version of portage (not yet released) which uses these
51 # over CONF_LIBDIR in econf, dolib, etc...
52 get_libdir() {
53 local CONF_LIBDIR
54 if [ -n "${CONF_LIBDIR_OVERRIDE}" ] ; then
55 # if there is an override, we want to use that... always.
56 echo ${CONF_LIBDIR_OVERRIDE}
57 else
58 get_abi_LIBDIR
59 fi
60 }
61
62 # @FUNCTION: get_abi_var
63 # @USAGE: <VAR> [ABI]
64 # @RETURN: returns the value of ${<VAR>_<ABI>} which should be set in make.defaults
65 # @INTERNAL
66 # @DESCRIPTION:
67 # ex:
68 # CFLAGS=$(get_abi_var CFLAGS sparc32) # CFLAGS=-m32
69 #
70 # Note that the prefered method is to set CC="$(tc-getCC) $(get_abi_CFLAGS)"
71 # This will hopefully be added to portage soon...
72 #
73 # If <ABI> is not specified, ${ABI} is used.
74 # If <ABI> is not specified and ${ABI} is not defined, ${DEFAULT_ABI} is used.
75 # If <ABI> is not specified and ${ABI} and ${DEFAULT_ABI} are not defined, we return an empty string.
76 get_abi_var() {
77 local flag=$1
78 local abi=${2:-${ABI:-${DEFAULT_ABI:-default}}}
79 local var="${flag}_${abi}"
80 echo ${!var}
81 }
82
83 # @FUNCTION: get_abi_CFLAGS
84 # @USAGE: [ABI]
85 # @DESCRIPTION:
86 # Alias for 'get_abi_var CFLAGS'
87 get_abi_CFLAGS() { get_abi_var CFLAGS "$@"; }
88
89 # @FUNCTION: get_abi_LDFLAGS
90 # @USAGE: [ABI]
91 # @DESCRIPTION:
92 # Alias for 'get_abi_var LDFLAGS'
93 get_abi_LDFLAGS() { get_abi_var LDFLAGS "$@"; }
94
95 # @FUNCTION: get_abi_CHOST
96 # @USAGE: [ABI]
97 # @DESCRIPTION:
98 # Alias for 'get_abi_var CHOST'
99 get_abi_CHOST() { get_abi_var CHOST "$@"; }
100
101 # @FUNCTION: get_abi_CTARGET
102 # @USAGE: [ABI]
103 # @DESCRIPTION:
104 # Alias for 'get_abi_var CTARGET'
105 get_abi_CTARGET() { get_abi_var CTARGET "$@"; }
106
107 # @FUNCTION: get_abi_FAKE_TARGETS
108 # @USAGE: [ABI]
109 # @DESCRIPTION:
110 # Alias for 'get_abi_var FAKE_TARGETS'
111 get_abi_FAKE_TARGETS() { get_abi_var FAKE_TARGETS "$@"; }
112
113 # @FUNCTION: get_abi_LIBDIR
114 # @USAGE: [ABI]
115 # @DESCRIPTION:
116 # Alias for 'get_abi_var LIBDIR'
117 get_abi_LIBDIR() { get_abi_var LIBDIR "$@"; }
118
119 # @FUNCTION: get_install_abis
120 # @DESCRIPTION:
121 # Return a list of the ABIs we want to install for with
122 # the last one in the list being the default.
123 get_install_abis() {
124 local x order=""
125
126 if [[ -z ${MULTILIB_ABIS} ]] ; then
127 echo "default"
128 return 0
129 fi
130
131 if [[ ${EMULTILIB_PKG} == "true" ]] ; then
132 for x in ${MULTILIB_ABIS} ; do
133 if [[ ${x} != "${DEFAULT_ABI}" ]] ; then
134 has ${x} ${ABI_DENY} || order="${order} ${x}"
135 fi
136 done
137 has ${DEFAULT_ABI} ${ABI_DENY} || order="${order} ${DEFAULT_ABI}"
138
139 if [[ -n ${ABI_ALLOW} ]] ; then
140 local ordera=""
141 for x in ${order} ; do
142 if has ${x} ${ABI_ALLOW} ; then
143 ordera="${ordera} ${x}"
144 fi
145 done
146 order=${ordera}
147 fi
148 else
149 order=${DEFAULT_ABI}
150 fi
151
152 if [[ -z ${order} ]] ; then
153 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."
154 fi
155
156 echo ${order}
157 return 0
158 }
159
160 # @FUNCTION: get_all_abis
161 # @DESCRIPTION:
162 # Return a list of the ABIs supported by this profile.
163 # the last one in the list being the default.
164 get_all_abis() {
165 local x order="" mvar dvar
166
167 mvar="MULTILIB_ABIS"
168 dvar="DEFAULT_ABI"
169 if [[ -n $1 ]] ; then
170 mvar="$1_${mvar}"
171 dvar="$1_${dvar}"
172 fi
173
174 if [[ -z ${!mvar} ]] ; then
175 echo "default"
176 return 0
177 fi
178
179 for x in ${!mvar}; do
180 if [[ ${x} != ${!dvar} ]] ; then
181 order="${order:+${order} }${x}"
182 fi
183 done
184 order="${order:+${order} }${!dvar}"
185
186 echo ${order}
187 return 0
188 }
189
190 # @FUNCTION: get_all_libdirs
191 # @DESCRIPTION:
192 # Returns a list of all the libdirs used by this profile. This includes
193 # those that might not be touched by the current ebuild and always includes
194 # "lib".
195 get_all_libdirs() {
196 local libdirs abi
197
198 for abi in ${MULTILIB_ABIS}; do
199 libdirs+=" $(get_abi_LIBDIR ${abi})"
200 done
201 [[ " ${libdirs} " != *" lib "* ]] && libdirs+=" lib"
202
203 echo "${libdirs}"
204 }
205
206 # @FUNCTION: is_final_abi
207 # @DESCRIPTION:
208 # Return true if ${ABI} is the last ABI on our list (or if we're not
209 # using the new multilib configuration. This can be used to determine
210 # if we're in the last (or only) run through src_{unpack,compile,install}
211 is_final_abi() {
212 has_multilib_profile || return 0
213 set -- $(get_install_abis)
214 local LAST_ABI=$#
215 [[ ${!LAST_ABI} == ${ABI} ]]
216 }
217
218 # @FUNCTION: number_abis
219 # @DESCRIPTION:
220 # echo the number of ABIs we will be installing for
221 number_abis() {
222 set -- `get_install_abis`
223 echo $#
224 }
225
226 # @FUNCTION: get_libname
227 # @USAGE: [version]
228 # @DESCRIPTION:
229 # Returns libname with proper suffix {.so,.dylib,.dll,etc} and optionally
230 # supplied version for the current platform identified by CHOST.
231 #
232 # Example:
233 # get_libname ${PV}
234 # Returns: .so.${PV} (ELF) || .${PV}.dylib (MACH) || ...
235 get_libname() {
236 local libname
237 local ver=$1
238 case ${CHOST} in
239 *-cygwin|mingw*|*-mingw*) libname="dll";;
240 *-darwin*) libname="dylib";;
241 *-mint*) libname="irrelevant";;
242 hppa*-hpux*) libname="sl";;
243 *) libname="so";;
244 esac
245
246 if [[ -z $* ]] ; then
247 echo ".${libname}"
248 else
249 for ver in "$@" ; do
250 case ${CHOST} in
251 *-darwin*) echo ".${ver}.${libname}";;
252 *-mint*) echo ".${libname}";;
253 *) echo ".${libname}.${ver}";;
254 esac
255 done
256 fi
257 }
258
259 # @FUNCTION: get_modname
260 # @USAGE:
261 # @DESCRIPTION:
262 # Returns modulename with proper suffix {.so,.bundle,etc} for the current
263 # platform identified by CHOST.
264 #
265 # Example:
266 # libfoo$(get_modname)
267 # Returns: libfoo.so (ELF) || libfoo.bundle (MACH) || ...
268 get_modname() {
269 local modname
270 local ver=$1
271 case ${CHOST} in
272 *-darwin*) modname="bundle";;
273 *) modname="so";;
274 esac
275
276 echo ".${modname}"
277 }
278
279 # This is for the toolchain to setup profile variables when pulling in
280 # a crosscompiler (and thus they aren't set in the profile)
281 multilib_env() {
282 local CTARGET=${1:-${CTARGET}}
283
284 case ${CTARGET} in
285 x86_64*)
286 export CFLAGS_x86=${CFLAGS_x86--m32}
287 export CHOST_x86=${CTARGET/x86_64/i686}
288 CHOST_x86=${CHOST_x86/%-gnux32/-gnu}
289 export CTARGET_x86=${CHOST_x86}
290 if [[ ${SYMLINK_LIB} == "yes" ]] ; then
291 export LIBDIR_x86="lib32"
292 else
293 export LIBDIR_x86="lib"
294 fi
295
296 export CFLAGS_amd64=${CFLAGS_amd64--m64}
297 export CHOST_amd64=${CTARGET/%-gnux32/-gnu}
298 export CTARGET_amd64=${CHOST_amd64}
299 export LIBDIR_amd64="lib64"
300
301 export CFLAGS_x32=${CFLAGS_x32--mx32}
302 export CHOST_x32=${CTARGET/%-gnu/-gnux32}
303 export CTARGET_x32=${CHOST_x32}
304 export LIBDIR_x32="libx32"
305
306 case ${CTARGET} in
307 *-gnux32)
308 : ${MULTILIB_ABIS=x32 amd64 x86}
309 : ${DEFAULT_ABI=x32}
310 ;;
311 *)
312 : ${MULTILIB_ABIS=amd64 x86}
313 : ${DEFAULT_ABI=amd64}
314 ;;
315 esac
316 ;;
317 mips64*)
318 export CFLAGS_o32=${CFLAGS_o32--mabi=32}
319 export CHOST_o32=${CTARGET/mips64/mips}
320 export CTARGET_o32=${CHOST_o32}
321 export LIBDIR_o32="lib"
322
323 export CFLAGS_n32=${CFLAGS_n32--mabi=n32}
324 export CHOST_n32=${CTARGET}
325 export CTARGET_n32=${CHOST_n32}
326 export LIBDIR_n32="lib32"
327
328 export CFLAGS_n64=${CFLAGS_n64--mabi=64}
329 export CHOST_n64=${CTARGET}
330 export CTARGET_n64=${CHOST_n64}
331 export LIBDIR_n64="lib64"
332
333 : ${MULTILIB_ABIS=n64 n32 o32}
334 : ${DEFAULT_ABI=n32}
335 ;;
336 powerpc64*)
337 export CFLAGS_ppc=${CFLAGS_ppc--m32}
338 export CHOST_ppc=${CTARGET/powerpc64/powerpc}
339 export CTARGET_ppc=${CHOST_ppc}
340 export LIBDIR_ppc="lib"
341
342 export CFLAGS_ppc64=${CFLAGS_ppc64--m64}
343 export CHOST_ppc64=${CTARGET}
344 export CTARGET_ppc64=${CHOST_ppc64}
345 export LIBDIR_ppc64="lib64"
346
347 : ${MULTILIB_ABIS=ppc64 ppc}
348 : ${DEFAULT_ABI=ppc64}
349 ;;
350 s390x*)
351 export CFLAGS_s390=${CFLAGS_s390--m31} # the 31 is not a typo
352 export CHOST_s390=${CTARGET/s390x/s390}
353 export CTARGET_s390=${CHOST_s390}
354 export LIBDIR_s390="lib"
355
356 export CFLAGS_s390x=${CFLAGS_s390x--m64}
357 export CHOST_s390x=${CTARGET}
358 export CTARGET_s390x=${CHOST_s390x}
359 export LIBDIR_s390x="lib64"
360
361 : ${MULTILIB_ABIS=s390x s390}
362 : ${DEFAULT_ABI=s390x}
363 ;;
364 sparc64*)
365 export CFLAGS_sparc32=${CFLAGS_sparc32--m32}
366 export CHOST_sparc32=${CTARGET/sparc64/sparc}
367 export CTARGET_sparc32=${CHOST_sparc32}
368 export LIBDIR_sparc32="lib"
369
370 export CFLAGS_sparc64=${CFLAGS_sparc64--m64}
371 export CHOST_sparc64=${CTARGET}
372 export CTARGET_sparc64=${CHOST_sparc64}
373 export LIBDIR_sparc64="lib64"
374
375 : ${MULTILIB_ABIS=sparc64 sparc32}
376 : ${DEFAULT_ABI=sparc64}
377 ;;
378 *)
379 : ${MULTILIB_ABIS=default}
380 : ${DEFAULT_ABI=default}
381 ;;
382 esac
383
384 export MULTILIB_ABIS DEFAULT_ABI
385 }
386
387 # @FUNCTION: multilib_toolchain_setup
388 # @DESCRIPTION:
389 # Hide multilib details here for packages which are forced to be compiled for a
390 # specific ABI when run on another ABI (like x86-specific packages on amd64)
391 multilib_toolchain_setup() {
392 local v vv
393
394 export ABI=$1
395
396 # First restore any saved state we have laying around.
397 if [[ ${__DEFAULT_ABI_SAVED} == "true" ]] ; then
398 for v in CHOST CBUILD AS CC CXX LD PKG_CONFIG_{LIBDIR,PATH} ; do
399 vv="__abi_saved_${v}"
400 [[ ${!vv+set} == "set" ]] && export ${v}="${!vv}" || unset ${v}
401 unset ${vv}
402 done
403 unset __DEFAULT_ABI_SAVED
404 fi
405
406 # We want to avoid the behind-the-back magic of gcc-config as it
407 # screws up ccache and distcc. See #196243 for more info.
408 if [[ ${ABI} != ${DEFAULT_ABI} ]] ; then
409 # Back that multilib-ass up so we can restore it later
410 for v in CHOST CBUILD AS CC CXX LD PKG_CONFIG_{LIBDIR,PATH} ; do
411 vv="__abi_saved_${v}"
412 [[ ${!v+set} == "set" ]] && export ${vv}="${!v}" || unset ${vv}
413 done
414 export __DEFAULT_ABI_SAVED="true"
415
416 # Set the CHOST native first so that we pick up the native
417 # toolchain and not a cross-compiler by accident #202811.
418 export CHOST=$(get_abi_CHOST ${DEFAULT_ABI})
419 export CC="$(tc-getCC) $(get_abi_CFLAGS)"
420 export CXX="$(tc-getCXX) $(get_abi_CFLAGS)"
421 export LD="$(tc-getLD) $(get_abi_LDFLAGS)"
422 export CHOST=$(get_abi_CHOST $1)
423 export CBUILD=$(get_abi_CHOST $1)
424 export PKG_CONFIG_LIBDIR=${EPREFIX}/usr/$(get_libdir)/pkgconfig
425 export PKG_CONFIG_PATH=${EPREFIX}/usr/share/pkgconfig
426 fi
427 }
428
429 fi

  ViewVC Help
Powered by ViewVC 1.1.20