/[gentoo-x86]/eclass/toolchain-funcs.eclass
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Revision 1.1.1.1 Revision 1.44
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 1.1.1.1 2005/11/30 09:59:25 chriswhite Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/toolchain-funcs.eclass,v 1.44 2005/09/16 01:44:42 vapier Exp $
4# 4#
5# Author: Toolchain Ninjas <toolchain@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
20 return 0 20 return 0
21 fi 21 fi
22 22
23 local search= 23 local search=
24 [[ -n $3 ]] && search=$(type -p "$3-${prog}") 24 [[ -n $3 ]] && search=$(type -p "$3-${prog}")
25 [[ -z ${search} && -n $(get_abi_CHOST) ]] && search=$(type -p "$(get_abi_CHOST)-${prog}")
25 [[ -z ${search} && -n ${CHOST} ]] && search=$(type -p "${CHOST}-${prog}") 26 [[ -z ${search} && -n ${CHOST} ]] && search=$(type -p "${CHOST}-${prog}")
26 [[ -n ${search} ]] && prog=${search##*/} 27 [[ -n ${search} ]] && prog=${search##*/}
27 28
28 export ${var}=${prog} 29 export ${var}=${prog}
29 echo "${!var}" 30 echo "${!var}"
61 62
62 local search= 63 local search=
63 if [[ -n ${CBUILD} ]] ; then 64 if [[ -n ${CBUILD} ]] ; then
64 search=$(type -p ${CBUILD}-gcc) 65 search=$(type -p ${CBUILD}-gcc)
65 search=${search##*/} 66 search=${search##*/}
67 else
68 search=gcc
66 fi 69 fi
67 search=${search:-gcc}
68 70
69 export BUILD_CC=${search} 71 export BUILD_CC=${search}
70 echo "${search}" 72 echo "${search}"
71} 73}
72 74
93 local host=$2 95 local host=$2
94 [[ -z ${host} ]] && host=${CTARGET:-${CHOST}} 96 [[ -z ${host} ]] && host=${CTARGET:-${CHOST}}
95 97
96 case ${host} in 98 case ${host} in
97 alpha*) echo alpha;; 99 alpha*) echo alpha;;
100 x86_64*) ninj x86_64 amd64;;
98 arm*) echo arm;; 101 arm*) echo arm;;
99 cris*) echo cris;; 102 thumb*) echo arm;;
100 hppa*) ninj parisc hppa;; 103 hppa*) ninj parisc hppa;;
101 i?86*) ninj i386 x86;;
102 ia64*) echo ia64;; 104 ia64*) echo ia64;;
103 m68*) echo m68k;; 105 m68*) echo m68k;;
104 mips*) echo mips;; 106 mips*) echo mips;;
105 powerpc64*) echo ppc64;; 107 powerpc64*) echo ppc64;;
106 powerpc*) [[ ${PROFILE_ARCH} == "ppc64" ]] \ 108 powerpc*) [[ ${PROFILE_ARCH} == "ppc64" ]] \
107 && ninj ppc64 ppc \ 109 && ninj ppc64 ppc \
108 || echo ppc 110 || echo ppc
109 ;; 111 ;;
110 s390*) echo s390;;
111 sh64*) ninj sh64 sh;;
112 sh*) echo sh;;
113 sparc64*) ninj sparc64 sparc;; 112 sparc64*) ninj sparc64 sparc;;
114 sparc*) [[ ${PROFILE_ARCH} == "sparc64" ]] \ 113 sparc*) [[ ${PROFILE_ARCH} == "sparc64" ]] \
115 && ninj sparc64 sparc \ 114 && ninj sparc64 sparc \
116 || echo sparc 115 || echo sparc
117 ;; 116 ;;
118 vax*) echo vax;; 117 s390*) echo s390;;
119 x86_64*) ninj x86_64 amd64;; 118 sh64*) ninj sh64 sh;;
119 sh*) echo sh;;
120 i?86*) ninj i386 x86;;
120 *) echo ${ARCH};; 121 *) echo ${ARCH};;
121 esac 122 esac
122} 123}
123tc-arch-kernel() { 124tc-arch-kernel() {
124 tc-ninja_magic_to_arch kern $@ 125 tc-ninja_magic_to_arch kern $@
131 [[ -z ${host} ]] && host=${CTARGET:-${CHOST}} 132 [[ -z ${host} ]] && host=${CTARGET:-${CHOST}}
132 host=${host%%-*} 133 host=${host%%-*}
133 134
134 case ${host} in 135 case ${host} in
135 alpha*) echo big;; 136 alpha*) echo big;;
137 x86_64*) echo little;;
136 arm*b*) echo big;; 138 arm*b*) echo big;;
137 arm*) echo little;; 139 arm*) echo little;;
138 cris*) echo little;; 140 thumb*) echo little;;
139 hppa*) echo big;; 141 hppa*) echo big;;
140 i?86*) echo little;;
141 ia64*) echo little;; 142 ia64*) echo little;;
142 m68*) echo big;; 143 m68*) echo big;;
143 mips*l*) echo little;; 144 mips*l*) echo little;;
144 mips*) echo big;; 145 mips*) echo big;;
145 powerpc*) echo big;; 146 powerpc*) echo big;;
147 sparc*) echo big;;
146 s390*) echo big;; 148 s390*) echo big;;
147 sh*b*) echo big;; 149 sh*b*) echo big;;
148 sh*) echo little;; 150 sh*) echo little;;
149 sparc*) echo big;;
150 x86_64*) echo little;; 151 i?86*) echo little;;
151 *) echo wtf;; 152 *) echo wtf;;
152 esac 153 esac
153} 154}
154 155
155# Returns the version as by `$CC -dumpversion` 156# Returns the version as by `$CC -dumpversion`
172gcc-micro-version() { 173gcc-micro-version() {
173 echo "$(gcc-fullversion | cut -f3 -d. | cut -f1 -d-)" 174 echo "$(gcc-fullversion | cut -f3 -d. | cut -f1 -d-)"
174} 175}
175 176
176# Returns requested gcc specs directive 177# Returns requested gcc specs directive
177# Note; later specs normally overwrite earlier ones; however if a later 178# Note; if a spec exists more than once (e.g. in more than one specs file)
178# spec starts with '+' then it appends. 179# the last one read is the active definition - i.e. they do not accumulate,
179# gcc -dumpspecs is parsed first, followed by files listed by "gcc -v" 180# each new definition replaces any previous definition.
180# as "Reading <file>", in order.
181gcc-specs-directive() { 181gcc-specs-directive() {
182 local specfiles=$($(tc-getCC) -v 2>&1 | awk '$1=="Reading" {print $NF}') 182 local specfiles=$($(tc-getCC) -v 2>&1 | grep "^Reading" | awk '{print $NF}')
183 $(tc-getCC) -dumpspecs 2> /dev/null | cat - ${specfiles} | awk -v directive=$1 \ 183 [[ -z ${specfiles} ]] && return 0
184 awk -v spec=$1 \
184'BEGIN { pspec=""; spec=""; outside=1 } 185'BEGIN { sstr=""; outside=1 }
185$1=="*"directive":" { pspec=spec; spec=""; outside=0; next } 186 $1=="*"spec":" { sstr=""; outside=0; next }
186 outside || NF==0 || ( substr($1,1,1)=="*" && substr($1,length($1),1)==":" ) { outside=1; next } 187 outside || NF==0 || ( substr($1,1,1)=="*" && substr($1,length($1),1)==":" ) { outside=1; next }
187 spec=="" && substr($0,1,1)=="+" { spec=pspec " " substr($0,2); next } 188 { sstr=sstr $0 }
188 { spec=spec $0 } 189END { print sstr }' ${specfiles}
189END { print spec }'
190 return 0
191} 190}
192 191
193# Returns true if gcc sets relro 192# Returns true if gcc sets relro
194gcc-specs-relro() { 193gcc-specs-relro() {
195 local directive 194 local directive
212gcc-specs-ssp() { 211gcc-specs-ssp() {
213 local directive 212 local directive
214 directive=$(gcc-specs-directive cc1) 213 directive=$(gcc-specs-directive cc1)
215 return $([[ ${directive/\{!fno-stack-protector:} != ${directive} ]]) 214 return $([[ ${directive/\{!fno-stack-protector:} != ${directive} ]])
216} 215}
217# Returns true if gcc upgrades fstack-protector to fstack-protector-all
218gcc-specs-ssp-to-all() {
219 local directive
220 directive=$(gcc-specs-directive cc1)
221 return $([[ ${directive/\{!fno-stack-protector-all:} != ${directive} ]])
222}

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