/[gentoo-x86]/eclass/toolchain-funcs.eclass
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Revision 1.1.1.1 Revision 1.36
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 1.36 2005/05/02 22:42:59 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
11
12ECLASS=toolchain-funcs
13INHERITED="$INHERITED $ECLASS"
11 14
12DESCRIPTION="Based on the ${ECLASS} eclass" 15DESCRIPTION="Based on the ${ECLASS} eclass"
13 16
14tc-getPROG() { 17tc-getPROG() {
15 local var=$1 18 local var=$1
… …
20 return 0 23 return 0
21 fi 24 fi
22 25
23 local search= 26 local search=
24 [[ -n $3 ]] && search=$(type -p "$3-${prog}") 27 [[ -n $3 ]] && search=$(type -p "$3-${prog}")
28 [[ -z ${search} && -n $(get_abi_CHOST) ]] && search=$(type -p "$(get_abi_CHOST)-${prog}")
25 [[ -z ${search} && -n ${CHOST} ]] && search=$(type -p "${CHOST}-${prog}") 29 [[ -z ${search} && -n ${CHOST} ]] && search=$(type -p "${CHOST}-${prog}")
26 [[ -n ${search} ]] && prog=${search##*/} 30 [[ -n ${search} ]] && prog=${search##*/}
27 31
28 export ${var}=${prog} 32 export ${var}=${prog}
29 echo "${!var}" 33 echo "${!var}"
… …
48# Returns the name of the java compiler 52# Returns the name of the java compiler
49tc-getGCJ() { tc-getPROG GCJ gcj "$@"; } 53tc-getGCJ() { tc-getPROG GCJ gcj "$@"; }
50 54
51# Returns the name of the C compiler for build 55# Returns the name of the C compiler for build
52tc-getBUILD_CC() { 56tc-getBUILD_CC() {
53 local v
54 for v in CC_FOR_BUILD BUILD_CC HOSTCC ; do
55 if [[ -n ${!v} ]] ; then 57 if [[ -n ${CC_FOR_BUILD} ]] ; then
56 export BUILD_CC=${!v} 58 export BUILD_CC=${CC_FOR_BUILD}
57 echo "${!v}" 59 echo "${CC_FOR_BUILD}"
58 return 0 60 return 0
59 fi 61 fi
60 done
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
… …
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() {
85 if [[ -n ${CBUILD} ]] ; then
83 return $([[ ${CBUILD:-${CHOST}} != ${CHOST} ]]) 86 return $([[ ${CBUILD} != ${CHOST} ]])
87 fi
88 return 1
84} 89}
85 90
86 91
87# Parse information from CBUILD/CHOST/CTARGET rather than 92# Parse information from CBUILD/CHOST/CTARGET rather than
88# use external variables from the profile. 93# use external variables from the profile.
89tc-ninja_magic_to_arch() { 94tc-ninja_magic_to_arch() {
90ninj() { [[ ${type} == "kern" ]] && echo $1 || echo $2 ; } 95ninj() { [[ ${type} == "kern" ]] && echo $1 || echo $2 ; }
91 96
92 local type=$1 97 local type=$1
93 local host=$2 98 local host=$2
94 [[ -z ${host} ]] && host=${CTARGET:-${CHOST}} 99 [[ -z ${host} ]] && host=${CTARGET:-${CHOST}}
95 100
96 case ${host} in 101 case ${host} in
97 alpha*) echo alpha;; 102 alpha*) echo alpha;;
103 x86_64*) ninj x86_64 amd64;;
98 arm*) echo arm;; 104 arm*) echo arm;;
99 cris*) echo cris;;
100 hppa*) ninj parisc hppa;; 105 hppa*) ninj parisc hppa;;
101 i?86*) ninj i386 x86;;
102 ia64*) echo ia64;; 106 ia64*) echo ia64;;
103 m68*) echo m68k;; 107 m68*) echo m68k;;
104 mips*) echo mips;; 108 mips*) echo mips;;
105 powerpc64*) echo ppc64;; 109 powerpc64*) echo ppc64;;
106 powerpc*) [[ ${PROFILE_ARCH} == "ppc64" ]] \ 110 powerpc*) echo ppc;;
107 && ninj ppc64 ppc \
108 || echo ppc
109 ;;
110 s390*) echo s390;;
111 sh64*) ninj sh64 sh;;
112 sh*) echo sh;;
113 sparc64*) ninj sparc64 sparc;; 111 sparc64*) ninj sparc64 sparc;;
114 sparc*) [[ ${PROFILE_ARCH} == "sparc64" ]] \ 112 sparc*) [[ ${PROFILE_ARCH} == "sparc64" ]] \
115 && ninj sparc64 sparc \ 113 && ninj sparc64 sparc \
116 || echo sparc 114 || echo sparc
117 ;; 115 ;;
118 vax*) echo vax;; 116 s390*) echo s390;;
119 x86_64*) ninj x86_64 amd64;; 117 sh64*) ninj sh64 sh;;
118 sh*) echo sh;;
119 i?86*) ninj i386 x86;;
120 *) echo ${ARCH};; 120 *) echo ${ARCH};;
121 esac 121 esac
122} 122}
123tc-arch-kernel() { 123tc-arch-kernel() {
124 tc-ninja_magic_to_arch kern $@ 124 tc-ninja_magic_to_arch kern $@
… …
131 [[ -z ${host} ]] && host=${CTARGET:-${CHOST}} 131 [[ -z ${host} ]] && host=${CTARGET:-${CHOST}}
132 host=${host%%-*} 132 host=${host%%-*}
133 133
134 case ${host} in 134 case ${host} in
135 alpha*) echo big;; 135 alpha*) echo big;;
136 x86_64*) echo little;;
136 arm*b*) echo big;; 137 arm*b*) echo big;;
137 arm*) echo little;; 138 arm*) echo little;;
138 cris*) echo little;;
139 hppa*) echo big;; 139 hppa*) echo big;;
140 i?86*) echo little;;
141 ia64*) echo little;; 140 ia64*) echo little;;
142 m68*) echo big;; 141 m68*) echo big;;
143 mips*l*) echo little;; 142 mips*l*) echo little;;
144 mips*) echo big;; 143 mips*) echo big;;
145 powerpc*) echo big;; 144 powerpc*) echo big;;
145 sparc*) echo big;;
146 s390*) echo big;; 146 s390*) echo big;;
147 sh*b*) echo big;; 147 sh*b*) echo big;;
148 sh*) echo little;; 148 sh*) echo little;;
149 sparc*) echo big;;
150 x86_64*) echo little;; 149 i?86*) echo little;;
151 *) echo wtf;; 150 *) echo wtf;;
152 esac 151 esac
153} 152}
154 153
155# Returns the version as by `$CC -dumpversion` 154# Returns the version as by `$CC -dumpversion`
… …
170} 169}
171# Returns the Micro version 170# Returns the Micro version
172gcc-micro-version() { 171gcc-micro-version() {
173 echo "$(gcc-fullversion | cut -f3 -d. | cut -f1 -d-)" 172 echo "$(gcc-fullversion | cut -f3 -d. | cut -f1 -d-)"
174} 173}
175
176# Returns requested gcc specs directive
177# Note; later specs normally overwrite earlier ones; however if a later
178# spec starts with '+' then it appends.
179# gcc -dumpspecs is parsed first, followed by files listed by "gcc -v"
180# as "Reading <file>", in order.
181gcc-specs-directive() {
182 local specfiles=$($(tc-getCC) -v 2>&1 | awk '$1=="Reading" {print $NF}')
183 $(tc-getCC) -dumpspecs 2> /dev/null | cat - ${specfiles} | awk -v directive=$1 \
184'BEGIN { pspec=""; spec=""; outside=1 }
185$1=="*"directive":" { pspec=spec; spec=""; outside=0; next }
186 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 { spec=spec $0 }
189END { print spec }'
190 return 0
191}
192
193# Returns true if gcc sets relro
194gcc-specs-relro() {
195 local directive
196 directive=$(gcc-specs-directive link_command)
197 return $([[ ${directive/\{!norelro:} != ${directive} ]])
198}
199# Returns true if gcc sets now
200gcc-specs-now() {
201 local directive
202 directive=$(gcc-specs-directive link_command)
203 return $([[ ${directive/\{!nonow:} != ${directive} ]])
204}
205# Returns true if gcc builds PIEs
206gcc-specs-pie() {
207 local directive
208 directive=$(gcc-specs-directive cc1)
209 return $([[ ${directive/\{!nopie:} != ${directive} ]])
210}
211# Returns true if gcc builds with the stack protector
212gcc-specs-ssp() {
213 local directive
214 directive=$(gcc-specs-directive cc1)
215 return $([[ ${directive/\{!fno-stack-protector:} != ${directive} ]])
216}
217# Returns true if gcc upgrades fstack-protector to fstack-protector-all
218gcc-specs-ssp-to-all() {
219 local directive
220 directive=$(gcc-specs-directive cc1)
221 return $([[ ${directive/\{!fno-stack-protector-all:} != ${directive} ]])
222}
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