/[gentoo-x86]/eclass/toolchain-funcs.eclass
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1# Copyright 1999-2005 Gentoo Foundation 1# Copyright 1999-2005 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 1.41 2005/08/01 07:27:27 kevquinn Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/toolchain-funcs.eclass,v 1.43 2005/09/15 00:13:10 vapier Exp $
4# 4#
5# Author: Toolchain Ninjas <ninjas@gentoo.org> 5# Author: Toolchain Ninjas <ninjas@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...)
9 9
10inherit multilib 10inherit multilib
11
12 11
13DESCRIPTION="Based on the ${ECLASS} eclass" 12DESCRIPTION="Based on the ${ECLASS} eclass"
14 13
15tc-getPROG() { 14tc-getPROG() {
16 local var=$1 15 local var=$1
50# Returns the name of the java compiler 49# Returns the name of the java compiler
51tc-getGCJ() { tc-getPROG GCJ gcj "$@"; } 50tc-getGCJ() { tc-getPROG GCJ gcj "$@"; }
52 51
53# Returns the name of the C compiler for build 52# Returns the name of the C compiler for build
54tc-getBUILD_CC() { 53tc-getBUILD_CC() {
54 local v
55 for v in CC_FOR_BUILD BUILD_CC HOSTCC ; do
55 if [[ -n ${CC_FOR_BUILD} ]] ; then 56 if [[ -n ${!v} ]] ; then
56 export BUILD_CC=${CC_FOR_BUILD} 57 export BUILD_CC=${!v}
57 echo "${CC_FOR_BUILD}" 58 echo "${!v}"
58 return 0 59 return 0
59 fi 60 fi
61 done
60 62
61 local search= 63 local search=
62 if [[ -n ${CBUILD} ]] ; then 64 if [[ -n ${CBUILD} ]] ; then
63 search=$(type -p ${CBUILD}-gcc) 65 search=$(type -p ${CBUILD}-gcc)
64 search=${search##*/} 66 search=${search##*/}
78 done 80 done
79} 81}
80 82
81# A simple way to see if we're using a cross-compiler ... 83# A simple way to see if we're using a cross-compiler ...
82tc-is-cross-compiler() { 84tc-is-cross-compiler() {
83 if [[ -n ${CBUILD} ]] ; then
84 return $([[ ${CBUILD} != ${CHOST} ]]) 85 return $([[ ${CBUILD:-${CHOST}} != ${CHOST} ]])
85 fi
86 return 1
87} 86}
88 87
89 88
90# Parse information from CBUILD/CHOST/CTARGET rather than 89# Parse information from CBUILD/CHOST/CTARGET rather than
91# use external variables from the profile. 90# use external variables from the profile.
177# Note; if a spec exists more than once (e.g. in more than one specs file) 176# Note; if a spec exists more than once (e.g. in more than one specs file)
178# the last one read is the active definition - i.e. they do not accumulate, 177# the last one read is the active definition - i.e. they do not accumulate,
179# each new definition replaces any previous definition. 178# each new definition replaces any previous definition.
180gcc-specs-directive() { 179gcc-specs-directive() {
181 local specfiles=$($(tc-getCC) -v 2>&1 | grep "^Reading" | awk '{print $NF}') 180 local specfiles=$($(tc-getCC) -v 2>&1 | grep "^Reading" | awk '{print $NF}')
181 [[ -z ${specfiles} ]] && return 0
182 awk -v spec=$1 \ 182 awk -v spec=$1 \
183'BEGIN { sstr=""; outside=1 } 183'BEGIN { sstr=""; outside=1 }
184 $1=="*"spec":" { sstr=""; outside=0; next } 184 $1=="*"spec":" { sstr=""; outside=0; next }
185 outside || NF==0 || ( substr($1,1,1)=="*" && substr($1,length($1),1)==":" ) { outside=1; next } 185 outside || NF==0 || ( substr($1,1,1)=="*" && substr($1,length($1),1)==":" ) { outside=1; next }
186 { sstr=sstr $0 } 186 { sstr=sstr $0 }
209gcc-specs-ssp() { 209gcc-specs-ssp() {
210 local directive 210 local directive
211 directive=$(gcc-specs-directive cc1) 211 directive=$(gcc-specs-directive cc1)
212 return $([[ ${directive/\{!fno-stack-protector:} != ${directive} ]]) 212 return $([[ ${directive/\{!fno-stack-protector:} != ${directive} ]])
213} 213}
214

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