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Revision 1.96 - (hide annotations) (download)
Sat Dec 10 19:41:51 2011 UTC (2 years, 8 months ago) by vapier
Branch: MAIN
Changes since 1.95: +7 -3 lines
avoid multiple inclusions when possible to speed caching up

1 vapier 1.85 # Copyright 1999-2011 Gentoo Foundation
2 eradicator 1.1 # Distributed under the terms of the GNU General Public License v2
3 vapier 1.96 # $Header: /var/cvsroot/gentoo-x86/eclass/multilib.eclass,v 1.95 2011/10/27 05:50:40 vapier Exp $
4 vapier 1.65
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 eradicator 1.1
13 vapier 1.96 if [[ ${___ECLASS_ONCE_MULTILIB} != "recur -_+^+_- spank" ]] ; then
14     ___ECLASS_ONCE_MULTILIB="recur -_+^+_- spank"
15    
16     inherit toolchain-funcs
17 vapier 1.60
18 eradicator 1.19 # Defaults:
19 eradicator 1.21 export MULTILIB_ABIS=${MULTILIB_ABIS:-"default"}
20     export DEFAULT_ABI=${DEFAULT_ABI:-"default"}
21 eradicator 1.23 export CFLAGS_default
22     export LDFLAGS_default
23     export CHOST_default=${CHOST_default:-${CHOST}}
24 eradicator 1.39 export CTARGET_default=${CTARGET_default:-${CTARGET:-${CHOST_default}}}
25 eradicator 1.21 export LIBDIR_default=${CONF_LIBDIR:-"lib"}
26 blubb 1.48 export KERNEL_ABI=${KERNEL_ABI:-${DEFAULT_ABI}}
27 eradicator 1.19
28 vapier 1.65 # @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 ${MULTILIB_ABIS}. When has_multilib_profile returns true, that
32     # profile should enable the 'multilib' use flag. This is so you can DEPEND on
33     # a package only for multilib or not multilib.
34 eradicator 1.14 has_multilib_profile() {
35 eradicator 1.15 [ -n "${MULTILIB_ABIS}" -a "${MULTILIB_ABIS}" != "${MULTILIB_ABIS/ /}" ]
36 eradicator 1.14 }
37    
38 vapier 1.65 # @FUNCTION: get_libdir
39     # @RETURN: the libdir for the selected ABI
40     # @DESCRIPTION:
41 eradicator 1.1 # 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 ${DEFAULT_ABI}. If they're both not set,
49     # fall back on old behavior. Any profile that has these set should also
50     # depend on a newer version of portage (not yet released) which uses these
51     # over CONF_LIBDIR in econf, dolib, etc...
52     get_libdir() {
53 eradicator 1.19 local CONF_LIBDIR
54     if [ -n "${CONF_LIBDIR_OVERRIDE}" ] ; then
55 eradicator 1.1 # if there is an override, we want to use that... always.
56 eradicator 1.19 echo ${CONF_LIBDIR_OVERRIDE}
57     else
58     get_abi_LIBDIR
59     fi
60 eradicator 1.1 }
61    
62 vapier 1.65 # @FUNCTION: get_abi_var
63     # @USAGE: <VAR> [ABI]
64     # @RETURN: returns the value of ${<VAR>_<ABI>} which should be set in make.defaults
65 vapier 1.93 # @INTERNAL
66 vapier 1.65 # @DESCRIPTION:
67 eradicator 1.1 # ex:
68     # CFLAGS=$(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 vapier 1.33 local flag=$1
78 vapier 1.94 local abi=${2:-${ABI:-${DEFAULT_ABI:-default}}}
79 eradicator 1.1 local var="${flag}_${abi}"
80     echo ${!var}
81     }
82    
83 vapier 1.65 # @FUNCTION: get_abi_CFLAGS
84     # @USAGE: [ABI]
85     # @DESCRIPTION:
86     # Alias for 'get_abi_var CFLAGS'
87 vapier 1.33 get_abi_CFLAGS() { get_abi_var CFLAGS "$@"; }
88 vapier 1.65
89     # @FUNCTION: get_abi_LDFLAGS
90     # @USAGE: [ABI]
91     # @DESCRIPTION:
92     # Alias for 'get_abi_var LDFLAGS'
93 vapier 1.33 get_abi_LDFLAGS() { get_abi_var LDFLAGS "$@"; }
94 vapier 1.65
95     # @FUNCTION: get_abi_CHOST
96     # @USAGE: [ABI]
97     # @DESCRIPTION:
98     # Alias for 'get_abi_var CHOST'
99 vapier 1.33 get_abi_CHOST() { get_abi_var CHOST "$@"; }
100 vapier 1.65
101     # @FUNCTION: get_abi_CTARGET
102     # @USAGE: [ABI]
103     # @DESCRIPTION:
104     # Alias for 'get_abi_var CTARGET'
105 vapier 1.52 get_abi_CTARGET() { get_abi_var CTARGET "$@"; }
106 vapier 1.65
107     # @FUNCTION: get_abi_FAKE_TARGETS
108     # @USAGE: [ABI]
109     # @DESCRIPTION:
110     # Alias for 'get_abi_var FAKE_TARGETS'
111 vapier 1.33 get_abi_FAKE_TARGETS() { get_abi_var FAKE_TARGETS "$@"; }
112 vapier 1.65
113     # @FUNCTION: get_abi_LIBDIR
114     # @USAGE: [ABI]
115     # @DESCRIPTION:
116     # Alias for 'get_abi_var LIBDIR'
117 vapier 1.33 get_abi_LIBDIR() { get_abi_var LIBDIR "$@"; }
118 eradicator 1.1
119 vapier 1.65 # @FUNCTION: get_install_abis
120     # @DESCRIPTION:
121 swegener 1.30 # Return a list of the ABIs we want to install for with
122 eradicator 1.2 # the last one in the list being the default.
123 eradicator 1.17 get_install_abis() {
124 eradicator 1.2 local order=""
125    
126 vapier 1.33 if [[ -z ${MULTILIB_ABIS} ]] ; then
127 eradicator 1.19 echo "default"
128     return 0
129 eradicator 1.2 fi
130    
131 peper 1.63 if [[ ${EMULTILIB_PKG} == "true" ]] ; then
132 vapier 1.33 for x in ${MULTILIB_ABIS} ; do
133     if [[ ${x} != "${DEFAULT_ABI}" ]] ; then
134 ssuominen 1.91 has ${x} ${ABI_DENY} || order="${order} ${x}"
135 eradicator 1.2 fi
136     done
137 ssuominen 1.91 has ${DEFAULT_ABI} ${ABI_DENY} || order="${order} ${DEFAULT_ABI}"
138 eradicator 1.2
139 vapier 1.33 if [[ -n ${ABI_ALLOW} ]] ; then
140 eradicator 1.2 local ordera=""
141 vapier 1.33 for x in ${order} ; do
142 ssuominen 1.91 if has ${x} ${ABI_ALLOW} ; then
143 eradicator 1.2 ordera="${ordera} ${x}"
144     fi
145     done
146 vapier 1.33 order=${ordera}
147 eradicator 1.2 fi
148     else
149 vapier 1.33 order=${DEFAULT_ABI}
150 eradicator 1.2 fi
151    
152 vapier 1.33 if [[ -z ${order} ]] ; then
153 eradicator 1.2 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 vapier 1.65 # @FUNCTION: get_all_abis
161 vapier 1.92 # @DESCRIPTION:
162 eradicator 1.17 # 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 order=""
166    
167 eradicator 1.40 if [[ -z ${MULTILIB_ABIS} ]] ; then
168 eradicator 1.19 echo "default"
169     return 0
170 eradicator 1.17 fi
171    
172     for x in ${MULTILIB_ABIS}; do
173 eradicator 1.40 if [[ ${x} != ${DEFAULT_ABI} ]] ; then
174     order="${order:+${order} }${x}"
175 eradicator 1.17 fi
176     done
177     order="${order:+${order} }${DEFAULT_ABI}"
178    
179     echo ${order}
180     return 0
181     }
182    
183 vapier 1.65 # @FUNCTION: get_all_libdirs
184     # @DESCRIPTION:
185 eradicator 1.2 # Returns a list of all the libdirs used by this profile. This includes
186 vapier 1.65 # those that might not be touched by the current ebuild and always includes
187     # "lib".
188 eradicator 1.1 get_all_libdirs() {
189 vapier 1.85 local libdirs
190 eradicator 1.2 local abi
191     local dir
192    
193 blubb 1.56 for abi in ${MULTILIB_ABIS}; do
194 vapier 1.85 libdirs+=" $(get_abi_LIBDIR ${abi})"
195 blubb 1.56 done
196 vapier 1.85 [[ " ${libdirs} " != *" lib "* ]] && libdirs+=" lib"
197 eradicator 1.2
198     echo "${libdirs}"
199     }
200    
201 vapier 1.65 # @FUNCTION: is_final_abi
202     # @DESCRIPTION:
203 eradicator 1.2 # Return true if ${ABI} is the last ABI on our list (or if we're not
204     # using the new multilib configuration. This can be used to determine
205     # if we're in the last (or only) run through src_{unpack,compile,install}
206     is_final_abi() {
207 eradicator 1.23 has_multilib_profile || return 0
208 vapier 1.83 set -- $(get_install_abis)
209     local LAST_ABI=$#
210     [[ ${!LAST_ABI} == ${ABI} ]]
211 eradicator 1.2 }
212    
213 vapier 1.65 # @FUNCTION: number_abis
214     # @DESCRIPTION:
215 eradicator 1.2 # echo the number of ABIs we will be installing for
216     number_abis() {
217 vapier 1.88 set -- `get_install_abis`
218     echo $#
219 eradicator 1.2 }
220    
221 vapier 1.65 # @FUNCTION: get_libname
222     # @USAGE: [version]
223     # @DESCRIPTION:
224 grobian 1.73 # Returns libname with proper suffix {.so,.dylib,.dll,etc} and optionally
225     # supplied version for the current platform identified by CHOST.
226 vapier 1.65 #
227     # Example:
228 grobian 1.74 # get_libname ${PV}
229     # Returns: .so.${PV} (ELF) || .${PV}.dylib (MACH) || ...
230 kito 1.31 get_libname() {
231 vapier 1.44 local libname
232 kito 1.31 local ver=$1
233 vapier 1.44 case ${CHOST} in
234 vapier 1.69 *-cygwin|mingw*|*-mingw*) libname="dll";;
235     *-darwin*) libname="dylib";;
236 grobian 1.73 *-mint*) libname="irrelevant";;
237 grobian 1.75 hppa*-hpux*) libname="sl";;
238 vapier 1.69 *) libname="so";;
239 vapier 1.44 esac
240    
241 vapier 1.64 if [[ -z $* ]] ; then
242 vapier 1.44 echo ".${libname}"
243 kito 1.31 else
244 vapier 1.44 for ver in "$@" ; do
245     case ${CHOST} in
246     *-darwin*) echo ".${ver}.${libname}";;
247 grobian 1.73 *-mint*) echo ".${libname}";;
248 vapier 1.44 *) echo ".${libname}.${ver}";;
249     esac
250     done
251 kito 1.31 fi
252     }
253 eradicator 1.34
254 grobian 1.76 # @FUNCTION: get_modname
255     # @USAGE:
256     # @DESCRIPTION:
257     # Returns modulename with proper suffix {.so,.bundle,etc} for the current
258     # platform identified by CHOST.
259     #
260     # Example:
261     # libfoo$(get_modname)
262     # Returns: libfoo.so (ELF) || libfoo.bundle (MACH) || ...
263     get_modname() {
264     local modname
265     local ver=$1
266     case ${CHOST} in
267     *-darwin*) modname="bundle";;
268     *) modname="so";;
269     esac
270    
271     echo ".${modname}"
272     }
273    
274 eradicator 1.34 # This is for the toolchain to setup profile variables when pulling in
275     # a crosscompiler (and thus they aren't set in the profile)
276     multilib_env() {
277 vapier 1.41 local CTARGET=${1:-${CTARGET}}
278 eradicator 1.34
279 eradicator 1.37 case ${CTARGET} in
280     x86_64*)
281 eradicator 1.34 export CFLAGS_x86=${CFLAGS_x86--m32}
282 vapier 1.42 export CHOST_x86=${CTARGET/x86_64/i686}
283     export CTARGET_x86=${CHOST_x86}
284 vapier 1.87 if [[ ${SYMLINK_LIB} == "yes" ]] ; then
285 vapier 1.86 export LIBDIR_x86="lib32"
286     else
287     export LIBDIR_x86="lib"
288     fi
289 eradicator 1.34
290     export CFLAGS_amd64=${CFLAGS_amd64--m64}
291 vapier 1.42 export CHOST_amd64=${CTARGET}
292 blubb 1.57 export CTARGET_amd64=${CHOST_amd64}
293 eradicator 1.34 export LIBDIR_amd64="lib64"
294    
295 vapier 1.82 export CFLAGS_x32=${CFLAGS_x32--mx32}
296     export CHOST_x32=${CTARGET}
297     export CTARGET_x32=${CHOST_x32}
298     export LIBDIR_x32="libx32"
299    
300     : ${MULTILIB_ABIS=amd64 x86}
301     : ${DEFAULT_ABI=amd64}
302 eradicator 1.34 ;;
303 eradicator 1.37 mips64*)
304 eradicator 1.34 export CFLAGS_o32=${CFLAGS_o32--mabi=32}
305 vapier 1.42 export CHOST_o32=${CTARGET/mips64/mips}
306     export CTARGET_o32=${CHOST_o32}
307 eradicator 1.34 export LIBDIR_o32="lib"
308    
309     export CFLAGS_n32=${CFLAGS_n32--mabi=n32}
310 vapier 1.42 export CHOST_n32=${CTARGET}
311     export CTARGET_n32=${CHOST_n32}
312 eradicator 1.34 export LIBDIR_n32="lib32"
313    
314     export CFLAGS_n64=${CFLAGS_n64--mabi=64}
315 vapier 1.42 export CHOST_n64=${CTARGET}
316     export CTARGET_n64=${CHOST_n64}
317 eradicator 1.34 export LIBDIR_n64="lib64"
318    
319 vapier 1.82 : ${MULTILIB_ABIS=n64 n32 o32}
320     : ${DEFAULT_ABI=n32}
321 eradicator 1.34 ;;
322 eradicator 1.37 powerpc64*)
323 eradicator 1.34 export CFLAGS_ppc=${CFLAGS_ppc--m32}
324 vapier 1.42 export CHOST_ppc=${CTARGET/powerpc64/powerpc}
325     export CTARGET_ppc=${CHOST_ppc}
326 eradicator 1.34 export LIBDIR_ppc="lib"
327    
328     export CFLAGS_ppc64=${CFLAGS_ppc64--m64}
329 vapier 1.42 export CHOST_ppc64=${CTARGET}
330     export CTARGET_ppc64=${CHOST_ppc64}
331 eradicator 1.34 export LIBDIR_ppc64="lib64"
332    
333 vapier 1.82 : ${MULTILIB_ABIS=ppc64 ppc}
334     : ${DEFAULT_ABI=ppc64}
335 eradicator 1.34 ;;
336 vapier 1.43 s390x*)
337     export CFLAGS_s390=${CFLAGS_s390--m31} # the 31 is not a typo
338     export CHOST_s390=${CTARGET/s390x/s390}
339     export CTARGET_s390=${CHOST_s390}
340     export LIBDIR_s390="lib"
341    
342     export CFLAGS_s390x=${CFLAGS_s390x--m64}
343     export CHOST_s390x=${CTARGET}
344     export CTARGET_s390x=${CHOST_s390x}
345     export LIBDIR_s390x="lib64"
346    
347 vapier 1.82 : ${MULTILIB_ABIS=s390x s390}
348     : ${DEFAULT_ABI=s390x}
349 vapier 1.43 ;;
350 bluebird 1.67 sparc*)
351     export CFLAGS_sparc32=${CFLAGS_sparc32}
352 vapier 1.42 export CHOST_sparc32=${CTARGET/sparc64/sparc}
353     export CTARGET_sparc32=${CHOST_sparc32}
354 eradicator 1.34 export LIBDIR_sparc32="lib"
355    
356     export CFLAGS_sparc64=${CFLAGS_sparc64--m64}
357 vapier 1.42 export CHOST_sparc64=${CTARGET}
358     export CTARGET_sparc64=${CHOST_sparc64}
359 eradicator 1.34 export LIBDIR_sparc64="lib64"
360    
361 vapier 1.82 : ${MULTILIB_ABIS=sparc64 sparc32}
362     : ${DEFAULT_ABI=sparc64}
363 eradicator 1.34 ;;
364     *)
365 vapier 1.82 : ${MULTILIB_ABIS=default}
366     : ${DEFAULT_ABI=default}
367 eradicator 1.36 ;;
368 eradicator 1.34 esac
369 vapier 1.82
370 vapier 1.84 export MULTILIB_ABIS DEFAULT_ABI
371 eradicator 1.34 }
372 eradicator 1.50
373 vapier 1.65 # @FUNCTION: multilib_toolchain_setup
374     # @DESCRIPTION:
375 vapier 1.51 # Hide multilib details here for packages which are forced to be compiled for a
376     # specific ABI when run on another ABI (like x86-specific packages on amd64)
377 eradicator 1.50 multilib_toolchain_setup() {
378 vapier 1.72 local v vv
379    
380 eradicator 1.55 export ABI=$1
381    
382 vapier 1.81 # First restore any saved state we have laying around.
383     if [[ ${__DEFAULT_ABI_SAVED} == "true" ]] ; then
384     for v in CHOST CBUILD AS CC CXX LD ; do
385     vv="__abi_saved_${v}"
386     export ${v}="${!vv}"
387     unset ${vv}
388     done
389     unset __DEFAULT_ABI_SAVED
390     fi
391    
392 vapier 1.72 # We want to avoid the behind-the-back magic of gcc-config as it
393     # screws up ccache and distcc. See #196243 for more info.
394 vapier 1.70 if [[ ${ABI} != ${DEFAULT_ABI} ]] ; then
395 vapier 1.81 # Back that multilib-ass up so we can restore it later
396     for v in CHOST CBUILD AS CC CXX LD ; do
397     export __abi_saved_${v}="${!v}"
398     done
399     export __DEFAULT_ABI_SAVED="true"
400 eradicator 1.50
401 vapier 1.72 # Set the CHOST native first so that we pick up the native
402     # toolchain and not a cross-compiler by accident #202811.
403     export CHOST=$(get_abi_CHOST ${DEFAULT_ABI})
404     export CC="$(tc-getCC) $(get_abi_CFLAGS)"
405     export CXX="$(tc-getCXX) $(get_abi_CFLAGS)"
406     export LD="$(tc-getLD) $(get_abi_LDFLAGS)"
407 kevquinn 1.54 export CHOST=$(get_abi_CHOST $1)
408     export CBUILD=$(get_abi_CHOST $1)
409 vapier 1.53 fi
410 eradicator 1.50 }
411 vapier 1.96
412     fi

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