/[gentoo-x86]/eclass/multilib.eclass
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1# Copyright 1999-2011 Gentoo Foundation 1# Copyright 1999-2011 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 1.93 2011/10/14 22:54:35 vapier Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/multilib.eclass,v 1.99 2012/08/22 16:03:08 vapier Exp $
4 4
5# @ECLASS: multilib.eclass 5# @ECLASS: multilib.eclass
6# @MAINTAINER: 6# @MAINTAINER:
7# amd64@gentoo.org 7# amd64@gentoo.org
8# toolchain@gentoo.org 8# toolchain@gentoo.org
9# @BLURB: This eclass is for all functions pertaining to handling multilib configurations. 9# @BLURB: This eclass is for all functions pertaining to handling multilib configurations.
10# @DESCRIPTION: 10# @DESCRIPTION:
11# This eclass is for all functions pertaining to handling multilib configurations. 11# This eclass is for all functions pertaining to handling multilib configurations.
12 12
13___ECLASS_RECUR_MULTILIB="yes" 13if [[ ${___ECLASS_ONCE_MULTILIB} != "recur -_+^+_- spank" ]] ; then
14[[ -z ${___ECLASS_RECUR_TOOLCHAIN_FUNCS} ]] && inherit toolchain-funcs 14___ECLASS_ONCE_MULTILIB="recur -_+^+_- spank"
15
16inherit toolchain-funcs
15 17
16# Defaults: 18# Defaults:
17export MULTILIB_ABIS=${MULTILIB_ABIS:-"default"} 19export MULTILIB_ABIS=${MULTILIB_ABIS:-"default"}
18export DEFAULT_ABI=${DEFAULT_ABI:-"default"} 20export DEFAULT_ABI=${DEFAULT_ABI:-"default"}
19export CFLAGS_default 21export CFLAGS_default
71# If <ABI> is not specified, ${ABI} is used. 73# If <ABI> is not specified, ${ABI} is used.
72# If <ABI> is not specified and ${ABI} is not defined, ${DEFAULT_ABI} is used. 74# If <ABI> is not specified and ${ABI} is not defined, ${DEFAULT_ABI} is used.
73# If <ABI> is not specified and ${ABI} and ${DEFAULT_ABI} are not defined, we return an empty string. 75# If <ABI> is not specified and ${ABI} and ${DEFAULT_ABI} are not defined, we return an empty string.
74get_abi_var() { 76get_abi_var() {
75 local flag=$1 77 local flag=$1
76 local abi 78 local abi=${2:-${ABI:-${DEFAULT_ABI:-default}}}
77 if [ $# -gt 1 ]; then
78 abi=${2}
79 elif [ -n "${ABI}" ]; then
80 abi=${ABI}
81 elif [ -n "${DEFAULT_ABI}" ]; then
82 abi=${DEFAULT_ABI}
83 else
84 abi="default"
85 fi
86
87 local var="${flag}_${abi}" 79 local var="${flag}_${abi}"
88 echo ${!var} 80 echo ${!var}
89} 81}
90 82
91# @FUNCTION: get_abi_CFLAGS 83# @FUNCTION: get_abi_CFLAGS
168# @FUNCTION: get_all_abis 160# @FUNCTION: get_all_abis
169# @DESCRIPTION: 161# @DESCRIPTION:
170# Return a list of the ABIs supported by this profile. 162# Return a list of the ABIs supported by this profile.
171# the last one in the list being the default. 163# the last one in the list being the default.
172get_all_abis() { 164get_all_abis() {
173 local order="" 165 local order="" mvar dvar
174 166
175 if [[ -z ${MULTILIB_ABIS} ]] ; then 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
176 echo "default" 175 echo "default"
177 return 0 176 return 0
178 fi 177 fi
179 178
180 for x in ${MULTILIB_ABIS}; do 179 for x in ${!mvar}; do
181 if [[ ${x} != ${DEFAULT_ABI} ]] ; then 180 if [[ ${x} != ${!dvar} ]] ; then
182 order="${order:+${order} }${x}" 181 order="${order:+${order} }${x}"
183 fi 182 fi
184 done 183 done
185 order="${order:+${order} }${DEFAULT_ABI}" 184 order="${order:+${order} }${!dvar}"
186 185
187 echo ${order} 186 echo ${order}
188 return 0 187 return 0
189} 188}
190 189
286 285
287 case ${CTARGET} in 286 case ${CTARGET} in
288 x86_64*) 287 x86_64*)
289 export CFLAGS_x86=${CFLAGS_x86--m32} 288 export CFLAGS_x86=${CFLAGS_x86--m32}
290 export CHOST_x86=${CTARGET/x86_64/i686} 289 export CHOST_x86=${CTARGET/x86_64/i686}
290 CHOST_x86=${CHOST_x86/%-gnux32/-gnu}
291 export CTARGET_x86=${CHOST_x86} 291 export CTARGET_x86=${CHOST_x86}
292 if [[ ${SYMLINK_LIB} == "yes" ]] ; then 292 if [[ ${SYMLINK_LIB} == "yes" ]] ; then
293 export LIBDIR_x86="lib32" 293 export LIBDIR_x86="lib32"
294 else 294 else
295 export LIBDIR_x86="lib" 295 export LIBDIR_x86="lib"
296 fi 296 fi
297 297
298 export CFLAGS_amd64=${CFLAGS_amd64--m64} 298 export CFLAGS_amd64=${CFLAGS_amd64--m64}
299 export CHOST_amd64=${CTARGET} 299 export CHOST_amd64=${CTARGET/%-gnux32/-gnu}
300 export CTARGET_amd64=${CHOST_amd64} 300 export CTARGET_amd64=${CHOST_amd64}
301 export LIBDIR_amd64="lib64" 301 export LIBDIR_amd64="lib64"
302 302
303 export CFLAGS_x32=${CFLAGS_x32--mx32} 303 export CFLAGS_x32=${CFLAGS_x32--mx32}
304 export CHOST_x32=${CTARGET} 304 export CHOST_x32=${CTARGET/%-gnu/-gnux32}
305 export CTARGET_x32=${CHOST_x32} 305 export CTARGET_x32=${CHOST_x32}
306 export LIBDIR_x32="libx32" 306 export LIBDIR_x32="libx32"
307 307
308 case ${CTARGET} in
309 *-gnux32)
310 : ${MULTILIB_ABIS=x32 amd64 x86}
311 : ${DEFAULT_ABI=x32}
312 ;;
313 *)
308 : ${MULTILIB_ABIS=amd64 x86} 314 : ${MULTILIB_ABIS=amd64 x86}
309 : ${DEFAULT_ABI=amd64} 315 : ${DEFAULT_ABI=amd64}
316 ;;
317 esac
310 ;; 318 ;;
311 mips64*) 319 mips64*)
312 export CFLAGS_o32=${CFLAGS_o32--mabi=32} 320 export CFLAGS_o32=${CFLAGS_o32--mabi=32}
313 export CHOST_o32=${CTARGET/mips64/mips} 321 export CHOST_o32=${CTARGET/mips64/mips}
314 export CTARGET_o32=${CHOST_o32} 322 export CTARGET_o32=${CHOST_o32}
354 362
355 : ${MULTILIB_ABIS=s390x s390} 363 : ${MULTILIB_ABIS=s390x s390}
356 : ${DEFAULT_ABI=s390x} 364 : ${DEFAULT_ABI=s390x}
357 ;; 365 ;;
358 sparc*) 366 sparc*)
359 export CFLAGS_sparc32=${CFLAGS_sparc32} 367 export CFLAGS_sparc32=${CFLAGS_sparc32--m32}
360 export CHOST_sparc32=${CTARGET/sparc64/sparc} 368 export CHOST_sparc32=${CTARGET/sparc64/sparc}
361 export CTARGET_sparc32=${CHOST_sparc32} 369 export CTARGET_sparc32=${CHOST_sparc32}
362 export LIBDIR_sparc32="lib" 370 export LIBDIR_sparc32="lib"
363 371
364 export CFLAGS_sparc64=${CFLAGS_sparc64--m64} 372 export CFLAGS_sparc64=${CFLAGS_sparc64--m64}
407 export __DEFAULT_ABI_SAVED="true" 415 export __DEFAULT_ABI_SAVED="true"
408 416
409 # Set the CHOST native first so that we pick up the native 417 # Set the CHOST native first so that we pick up the native
410 # toolchain and not a cross-compiler by accident #202811. 418 # toolchain and not a cross-compiler by accident #202811.
411 export CHOST=$(get_abi_CHOST ${DEFAULT_ABI}) 419 export CHOST=$(get_abi_CHOST ${DEFAULT_ABI})
412 export AS="$(tc-getAS) $(get_abi_ASFLAGS)"
413 export CC="$(tc-getCC) $(get_abi_CFLAGS)" 420 export CC="$(tc-getCC) $(get_abi_CFLAGS)"
414 export CXX="$(tc-getCXX) $(get_abi_CFLAGS)" 421 export CXX="$(tc-getCXX) $(get_abi_CFLAGS)"
415 export LD="$(tc-getLD) $(get_abi_LDFLAGS)" 422 export LD="$(tc-getLD) $(get_abi_LDFLAGS)"
416 export CHOST=$(get_abi_CHOST $1) 423 export CHOST=$(get_abi_CHOST $1)
417 export CBUILD=$(get_abi_CHOST $1) 424 export CBUILD=$(get_abi_CHOST $1)
418 fi 425 fi
419} 426}
427
428fi

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