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Revision 1.98 - (hide annotations) (download)
Sun Jun 3 08:27:53 2012 UTC (22 months, 2 weeks ago) by vapier
Branch: MAIN
Changes since 1.97: +13 -6 lines
all callers to specify a different set of ABIs with get_all_abis so that we can query the abis for CTARGET with cross-compilers

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 1.98 # $Header: /var/cvsroot/gentoo-x86/eclass/multilib.eclass,v 1.97 2011/12/14 18:15:09 slyfox 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 vapier 1.98 local 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 eradicator 1.17
174 vapier 1.98 if [[ -z ${!mvar} ]] ; then
175 eradicator 1.19 echo "default"
176     return 0
177 eradicator 1.17 fi
178    
179 vapier 1.98 for x in ${!mvar}; do
180     if [[ ${x} != ${!dvar} ]] ; then
181 eradicator 1.40 order="${order:+${order} }${x}"
182 eradicator 1.17 fi
183     done
184 vapier 1.98 order="${order:+${order} }${!dvar}"
185 eradicator 1.17
186     echo ${order}
187     return 0
188     }
189    
190 vapier 1.65 # @FUNCTION: get_all_libdirs
191     # @DESCRIPTION:
192 eradicator 1.2 # Returns a list of all the libdirs used by this profile. This includes
193 vapier 1.65 # those that might not be touched by the current ebuild and always includes
194     # "lib".
195 eradicator 1.1 get_all_libdirs() {
196 vapier 1.85 local libdirs
197 eradicator 1.2 local abi
198     local dir
199    
200 blubb 1.56 for abi in ${MULTILIB_ABIS}; do
201 vapier 1.85 libdirs+=" $(get_abi_LIBDIR ${abi})"
202 blubb 1.56 done
203 vapier 1.85 [[ " ${libdirs} " != *" lib "* ]] && libdirs+=" lib"
204 eradicator 1.2
205     echo "${libdirs}"
206     }
207    
208 vapier 1.65 # @FUNCTION: is_final_abi
209     # @DESCRIPTION:
210 eradicator 1.2 # Return true if ${ABI} is the last ABI on our list (or if we're not
211     # using the new multilib configuration. This can be used to determine
212     # if we're in the last (or only) run through src_{unpack,compile,install}
213     is_final_abi() {
214 eradicator 1.23 has_multilib_profile || return 0
215 vapier 1.83 set -- $(get_install_abis)
216     local LAST_ABI=$#
217     [[ ${!LAST_ABI} == ${ABI} ]]
218 eradicator 1.2 }
219    
220 vapier 1.65 # @FUNCTION: number_abis
221     # @DESCRIPTION:
222 eradicator 1.2 # echo the number of ABIs we will be installing for
223     number_abis() {
224 vapier 1.88 set -- `get_install_abis`
225     echo $#
226 eradicator 1.2 }
227    
228 vapier 1.65 # @FUNCTION: get_libname
229     # @USAGE: [version]
230     # @DESCRIPTION:
231 grobian 1.73 # Returns libname with proper suffix {.so,.dylib,.dll,etc} and optionally
232     # supplied version for the current platform identified by CHOST.
233 vapier 1.65 #
234     # Example:
235 grobian 1.74 # get_libname ${PV}
236     # Returns: .so.${PV} (ELF) || .${PV}.dylib (MACH) || ...
237 kito 1.31 get_libname() {
238 vapier 1.44 local libname
239 kito 1.31 local ver=$1
240 vapier 1.44 case ${CHOST} in
241 vapier 1.69 *-cygwin|mingw*|*-mingw*) libname="dll";;
242     *-darwin*) libname="dylib";;
243 grobian 1.73 *-mint*) libname="irrelevant";;
244 grobian 1.75 hppa*-hpux*) libname="sl";;
245 vapier 1.69 *) libname="so";;
246 vapier 1.44 esac
247    
248 vapier 1.64 if [[ -z $* ]] ; then
249 vapier 1.44 echo ".${libname}"
250 kito 1.31 else
251 vapier 1.44 for ver in "$@" ; do
252     case ${CHOST} in
253     *-darwin*) echo ".${ver}.${libname}";;
254 grobian 1.73 *-mint*) echo ".${libname}";;
255 vapier 1.44 *) echo ".${libname}.${ver}";;
256     esac
257     done
258 kito 1.31 fi
259     }
260 eradicator 1.34
261 grobian 1.76 # @FUNCTION: get_modname
262     # @USAGE:
263     # @DESCRIPTION:
264     # Returns modulename with proper suffix {.so,.bundle,etc} for the current
265     # platform identified by CHOST.
266     #
267     # Example:
268     # libfoo$(get_modname)
269     # Returns: libfoo.so (ELF) || libfoo.bundle (MACH) || ...
270     get_modname() {
271     local modname
272     local ver=$1
273     case ${CHOST} in
274     *-darwin*) modname="bundle";;
275     *) modname="so";;
276     esac
277    
278     echo ".${modname}"
279     }
280    
281 eradicator 1.34 # This is for the toolchain to setup profile variables when pulling in
282     # a crosscompiler (and thus they aren't set in the profile)
283     multilib_env() {
284 vapier 1.41 local CTARGET=${1:-${CTARGET}}
285 eradicator 1.34
286 eradicator 1.37 case ${CTARGET} in
287     x86_64*)
288 eradicator 1.34 export CFLAGS_x86=${CFLAGS_x86--m32}
289 vapier 1.42 export CHOST_x86=${CTARGET/x86_64/i686}
290     export CTARGET_x86=${CHOST_x86}
291 vapier 1.87 if [[ ${SYMLINK_LIB} == "yes" ]] ; then
292 vapier 1.86 export LIBDIR_x86="lib32"
293     else
294     export LIBDIR_x86="lib"
295     fi
296 eradicator 1.34
297     export CFLAGS_amd64=${CFLAGS_amd64--m64}
298 vapier 1.42 export CHOST_amd64=${CTARGET}
299 blubb 1.57 export CTARGET_amd64=${CHOST_amd64}
300 eradicator 1.34 export LIBDIR_amd64="lib64"
301    
302 vapier 1.82 export CFLAGS_x32=${CFLAGS_x32--mx32}
303     export CHOST_x32=${CTARGET}
304     export CTARGET_x32=${CHOST_x32}
305     export LIBDIR_x32="libx32"
306    
307     : ${MULTILIB_ABIS=amd64 x86}
308     : ${DEFAULT_ABI=amd64}
309 eradicator 1.34 ;;
310 eradicator 1.37 mips64*)
311 eradicator 1.34 export CFLAGS_o32=${CFLAGS_o32--mabi=32}
312 vapier 1.42 export CHOST_o32=${CTARGET/mips64/mips}
313     export CTARGET_o32=${CHOST_o32}
314 eradicator 1.34 export LIBDIR_o32="lib"
315    
316     export CFLAGS_n32=${CFLAGS_n32--mabi=n32}
317 vapier 1.42 export CHOST_n32=${CTARGET}
318     export CTARGET_n32=${CHOST_n32}
319 eradicator 1.34 export LIBDIR_n32="lib32"
320    
321     export CFLAGS_n64=${CFLAGS_n64--mabi=64}
322 vapier 1.42 export CHOST_n64=${CTARGET}
323     export CTARGET_n64=${CHOST_n64}
324 eradicator 1.34 export LIBDIR_n64="lib64"
325    
326 vapier 1.82 : ${MULTILIB_ABIS=n64 n32 o32}
327     : ${DEFAULT_ABI=n32}
328 eradicator 1.34 ;;
329 eradicator 1.37 powerpc64*)
330 eradicator 1.34 export CFLAGS_ppc=${CFLAGS_ppc--m32}
331 vapier 1.42 export CHOST_ppc=${CTARGET/powerpc64/powerpc}
332     export CTARGET_ppc=${CHOST_ppc}
333 eradicator 1.34 export LIBDIR_ppc="lib"
334    
335     export CFLAGS_ppc64=${CFLAGS_ppc64--m64}
336 vapier 1.42 export CHOST_ppc64=${CTARGET}
337     export CTARGET_ppc64=${CHOST_ppc64}
338 eradicator 1.34 export LIBDIR_ppc64="lib64"
339    
340 vapier 1.82 : ${MULTILIB_ABIS=ppc64 ppc}
341     : ${DEFAULT_ABI=ppc64}
342 eradicator 1.34 ;;
343 vapier 1.43 s390x*)
344     export CFLAGS_s390=${CFLAGS_s390--m31} # the 31 is not a typo
345     export CHOST_s390=${CTARGET/s390x/s390}
346     export CTARGET_s390=${CHOST_s390}
347     export LIBDIR_s390="lib"
348    
349     export CFLAGS_s390x=${CFLAGS_s390x--m64}
350     export CHOST_s390x=${CTARGET}
351     export CTARGET_s390x=${CHOST_s390x}
352     export LIBDIR_s390x="lib64"
353    
354 vapier 1.82 : ${MULTILIB_ABIS=s390x s390}
355     : ${DEFAULT_ABI=s390x}
356 vapier 1.43 ;;
357 bluebird 1.67 sparc*)
358 slyfox 1.97 export CFLAGS_sparc32=${CFLAGS_sparc32--m32}
359 vapier 1.42 export CHOST_sparc32=${CTARGET/sparc64/sparc}
360     export CTARGET_sparc32=${CHOST_sparc32}
361 eradicator 1.34 export LIBDIR_sparc32="lib"
362    
363     export CFLAGS_sparc64=${CFLAGS_sparc64--m64}
364 vapier 1.42 export CHOST_sparc64=${CTARGET}
365     export CTARGET_sparc64=${CHOST_sparc64}
366 eradicator 1.34 export LIBDIR_sparc64="lib64"
367    
368 vapier 1.82 : ${MULTILIB_ABIS=sparc64 sparc32}
369     : ${DEFAULT_ABI=sparc64}
370 eradicator 1.34 ;;
371     *)
372 vapier 1.82 : ${MULTILIB_ABIS=default}
373     : ${DEFAULT_ABI=default}
374 eradicator 1.36 ;;
375 eradicator 1.34 esac
376 vapier 1.82
377 vapier 1.84 export MULTILIB_ABIS DEFAULT_ABI
378 eradicator 1.34 }
379 eradicator 1.50
380 vapier 1.65 # @FUNCTION: multilib_toolchain_setup
381     # @DESCRIPTION:
382 vapier 1.51 # Hide multilib details here for packages which are forced to be compiled for a
383     # specific ABI when run on another ABI (like x86-specific packages on amd64)
384 eradicator 1.50 multilib_toolchain_setup() {
385 vapier 1.72 local v vv
386    
387 eradicator 1.55 export ABI=$1
388    
389 vapier 1.81 # First restore any saved state we have laying around.
390     if [[ ${__DEFAULT_ABI_SAVED} == "true" ]] ; then
391     for v in CHOST CBUILD AS CC CXX LD ; do
392     vv="__abi_saved_${v}"
393     export ${v}="${!vv}"
394     unset ${vv}
395     done
396     unset __DEFAULT_ABI_SAVED
397     fi
398    
399 vapier 1.72 # We want to avoid the behind-the-back magic of gcc-config as it
400     # screws up ccache and distcc. See #196243 for more info.
401 vapier 1.70 if [[ ${ABI} != ${DEFAULT_ABI} ]] ; then
402 vapier 1.81 # Back that multilib-ass up so we can restore it later
403     for v in CHOST CBUILD AS CC CXX LD ; do
404     export __abi_saved_${v}="${!v}"
405     done
406     export __DEFAULT_ABI_SAVED="true"
407 eradicator 1.50
408 vapier 1.72 # Set the CHOST native first so that we pick up the native
409     # toolchain and not a cross-compiler by accident #202811.
410     export CHOST=$(get_abi_CHOST ${DEFAULT_ABI})
411     export CC="$(tc-getCC) $(get_abi_CFLAGS)"
412     export CXX="$(tc-getCXX) $(get_abi_CFLAGS)"
413     export LD="$(tc-getLD) $(get_abi_LDFLAGS)"
414 kevquinn 1.54 export CHOST=$(get_abi_CHOST $1)
415     export CBUILD=$(get_abi_CHOST $1)
416 vapier 1.53 fi
417 eradicator 1.50 }
418 vapier 1.96
419     fi

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