/[gentoo-x86]/eclass/toolchain-funcs.eclass
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1# Copyright 1999-2006 Gentoo Foundation 1# Copyright 1999-2006 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/toolchain-funcs.eclass,v 1.63 2006/12/16 10:31:12 vapier Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/toolchain-funcs.eclass,v 1.66 2007/02/16 00:12:02 vapier Exp $
4# 4#
5# Author: Toolchain Ninjas <toolchain@gentoo.org> 5# Author: Toolchain Ninjas <toolchain@gentoo.org>
6# 6#
7# This eclass contains (or should) functions to get common info 7# This eclass contains (or should) functions to get common info
8# about the toolchain (libc/compiler/binutils/etc...) 8# about the toolchain (libc/compiler/binutils/etc...)
89# A simple way to see if we're using a cross-compiler ... 89# A simple way to see if we're using a cross-compiler ...
90tc-is-cross-compiler() { 90tc-is-cross-compiler() {
91 return $([[ ${CBUILD:-${CHOST}} != ${CHOST} ]]) 91 return $([[ ${CBUILD:-${CHOST}} != ${CHOST} ]])
92} 92}
93 93
94# See if this toolchain is a softfloat based one.
95# The possible return values:
96# - only: the target is always softfloat (never had fpu)
97# - yes: the target should support softfloat
98# - no: the target should support hardfloat
99# This allows us to react differently where packages accept
100# softfloat flags in the case where support is optional, but
101# rejects softfloat flags where the target always lacks an fpu.
102tc-is-softfloat() {
103 case ${CTARGET} in
104 bfin*|h8300*)
105 echo "only" ;;
106 *)
107 [[ ${CTARGET//_/-} == *-softfloat-* ]] \
108 && echo "yes" \
109 || echo "no"
110 ;;
111 esac
112}
94 113
95# Parse information from CBUILD/CHOST/CTARGET rather than 114# Parse information from CBUILD/CHOST/CTARGET rather than
96# use external variables from the profile. 115# use external variables from the profile.
97tc-ninja_magic_to_arch() { 116tc-ninja_magic_to_arch() {
98ninj() { [[ ${type} == "kern" ]] && echo $1 || echo $2 ; } 117ninj() { [[ ${type} == "kern" ]] && echo $1 || echo $2 ; }
150 tc-ninja_magic_to_arch kern $@ 169 tc-ninja_magic_to_arch kern $@
151} 170}
152tc-arch() { 171tc-arch() {
153 tc-ninja_magic_to_arch portage $@ 172 tc-ninja_magic_to_arch portage $@
154} 173}
155tc-endian() {
156 local host=$1
157 [[ -z ${host} ]] && host=${CTARGET:-${CHOST}}
158 host=${host%%-*}
159
160 case ${host} in
161 alpha*) echo big;;
162 arm*b*) echo big;;
163 arm*) echo little;;
164 cris*) echo little;;
165 hppa*) echo big;;
166 i?86*) echo little;;
167 ia64*) echo little;;
168 m68*) echo big;;
169 mips*l*) echo little;;
170 mips*) echo big;;
171 powerpc*) echo big;;
172 s390*) echo big;;
173 sh*b*) echo big;;
174 sh*) echo little;;
175 sparc*) echo big;;
176 x86_64*) echo little;;
177 *) echo wtf;;
178 esac
179}
180 174
181# Returns the version as by `$CC -dumpversion` 175# Returns the version as by `$CC -dumpversion`
182gcc-fullversion() { 176gcc-fullversion() {
183 $(tc-getCC "$@") -dumpversion 177 $(tc-getCC "$@") -dumpversion
184} 178}

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