/[gentoo-x86]/eclass/toolchain-funcs.eclass
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Revision 1.1.1.1 Revision 1.38
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 1.38 2005/07/06 20:20:04 agriffis 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
12INHERITED="$INHERITED $ECLASS"
11 13
12DESCRIPTION="Based on the ${ECLASS} eclass" 14DESCRIPTION="Based on the ${ECLASS} eclass"
13 15
14tc-getPROG() { 16tc-getPROG() {
15 local var=$1 17 local var=$1
20 return 0 22 return 0
21 fi 23 fi
22 24
23 local search= 25 local search=
24 [[ -n $3 ]] && search=$(type -p "$3-${prog}") 26 [[ -n $3 ]] && search=$(type -p "$3-${prog}")
27 [[ -z ${search} && -n $(get_abi_CHOST) ]] && search=$(type -p "$(get_abi_CHOST)-${prog}")
25 [[ -z ${search} && -n ${CHOST} ]] && search=$(type -p "${CHOST}-${prog}") 28 [[ -z ${search} && -n ${CHOST} ]] && search=$(type -p "${CHOST}-${prog}")
26 [[ -n ${search} ]] && prog=${search##*/} 29 [[ -n ${search} ]] && prog=${search##*/}
27 30
28 export ${var}=${prog} 31 export ${var}=${prog}
29 echo "${!var}" 32 echo "${!var}"
48# Returns the name of the java compiler 51# Returns the name of the java compiler
49tc-getGCJ() { tc-getPROG GCJ gcj "$@"; } 52tc-getGCJ() { tc-getPROG GCJ gcj "$@"; }
50 53
51# Returns the name of the C compiler for build 54# Returns the name of the C compiler for build
52tc-getBUILD_CC() { 55tc-getBUILD_CC() {
53 local v
54 for v in CC_FOR_BUILD BUILD_CC HOSTCC ; do
55 if [[ -n ${!v} ]] ; then 56 if [[ -n ${CC_FOR_BUILD} ]] ; then
56 export BUILD_CC=${!v} 57 export BUILD_CC=${CC_FOR_BUILD}
57 echo "${!v}" 58 echo "${CC_FOR_BUILD}"
58 return 0 59 return 0
59 fi 60 fi
60 done
61 61
62 local search= 62 local search=
63 if [[ -n ${CBUILD} ]] ; then 63 if [[ -n ${CBUILD} ]] ; then
64 search=$(type -p ${CBUILD}-gcc) 64 search=$(type -p ${CBUILD}-gcc)
65 search=${search##*/} 65 search=${search##*/}
66 else
67 search=gcc
66 fi 68 fi
67 search=${search:-gcc}
68 69
69 export BUILD_CC=${search} 70 export BUILD_CC=${search}
70 echo "${search}" 71 echo "${search}"
71} 72}
72 73
78 done 79 done
79} 80}
80 81
81# A simple way to see if we're using a cross-compiler ... 82# A simple way to see if we're using a cross-compiler ...
82tc-is-cross-compiler() { 83tc-is-cross-compiler() {
84 if [[ -n ${CBUILD} ]] ; then
83 return $([[ ${CBUILD:-${CHOST}} != ${CHOST} ]]) 85 return $([[ ${CBUILD} != ${CHOST} ]])
86 fi
87 return 1
84} 88}
85 89
86 90
87# Parse information from CBUILD/CHOST/CTARGET rather than 91# Parse information from CBUILD/CHOST/CTARGET rather than
88# use external variables from the profile. 92# use external variables from the profile.
89tc-ninja_magic_to_arch() { 93tc-ninja_magic_to_arch() {
90ninj() { [[ ${type} == "kern" ]] && echo $1 || echo $2 ; } 94ninj() { [[ ${type} == "kern" ]] && echo $1 || echo $2 ; }
91 95
92 local type=$1 96 local type=$1
93 local host=$2 97 local host=$2
94 [[ -z ${host} ]] && host=${CTARGET:-${CHOST}} 98 [[ -z ${host} ]] && host=${CTARGET:-${CHOST}}
95 99
96 case ${host} in 100 case ${host} in
97 alpha*) echo alpha;; 101 alpha*) echo alpha;;
102 x86_64*) ninj x86_64 amd64;;
98 arm*) echo arm;; 103 arm*) echo arm;;
99 cris*) echo cris;;
100 hppa*) ninj parisc hppa;; 104 hppa*) ninj parisc hppa;;
101 i?86*) ninj i386 x86;;
102 ia64*) echo ia64;; 105 ia64*) echo ia64;;
103 m68*) echo m68k;; 106 m68*) echo m68k;;
104 mips*) echo mips;; 107 mips*) echo mips;;
105 powerpc64*) echo ppc64;; 108 powerpc64*) echo ppc64;;
106 powerpc*) [[ ${PROFILE_ARCH} == "ppc64" ]] \ 109 powerpc*) [[ ${PROFILE_ARCH} == "ppc64" ]] \
107 && ninj ppc64 ppc \ 110 && ninj ppc64 ppc \
108 || echo ppc 111 || echo ppc
109 ;; 112 ;;
110 s390*) echo s390;;
111 sh64*) ninj sh64 sh;;
112 sh*) echo sh;;
113 sparc64*) ninj sparc64 sparc;; 113 sparc64*) ninj sparc64 sparc;;
114 sparc*) [[ ${PROFILE_ARCH} == "sparc64" ]] \ 114 sparc*) [[ ${PROFILE_ARCH} == "sparc64" ]] \
115 && ninj sparc64 sparc \ 115 && ninj sparc64 sparc \
116 || echo sparc 116 || echo sparc
117 ;; 117 ;;
118 vax*) echo vax;; 118 s390*) echo s390;;
119 x86_64*) ninj x86_64 amd64;; 119 sh64*) ninj sh64 sh;;
120 sh*) echo sh;;
121 i?86*) ninj i386 x86;;
120 *) echo ${ARCH};; 122 *) echo ${ARCH};;
121 esac 123 esac
122} 124}
123tc-arch-kernel() { 125tc-arch-kernel() {
124 tc-ninja_magic_to_arch kern $@ 126 tc-ninja_magic_to_arch kern $@
131 [[ -z ${host} ]] && host=${CTARGET:-${CHOST}} 133 [[ -z ${host} ]] && host=${CTARGET:-${CHOST}}
132 host=${host%%-*} 134 host=${host%%-*}
133 135
134 case ${host} in 136 case ${host} in
135 alpha*) echo big;; 137 alpha*) echo big;;
138 x86_64*) echo little;;
136 arm*b*) echo big;; 139 arm*b*) echo big;;
137 arm*) echo little;; 140 arm*) echo little;;
138 cris*) echo little;;
139 hppa*) echo big;; 141 hppa*) echo big;;
140 i?86*) echo little;;
141 ia64*) echo little;; 142 ia64*) echo little;;
142 m68*) echo big;; 143 m68*) echo big;;
143 mips*l*) echo little;; 144 mips*l*) echo little;;
144 mips*) echo big;; 145 mips*) echo big;;
145 powerpc*) echo big;; 146 powerpc*) echo big;;
147 sparc*) echo big;;
146 s390*) echo big;; 148 s390*) echo big;;
147 sh*b*) echo big;; 149 sh*b*) echo big;;
148 sh*) echo little;; 150 sh*) echo little;;
149 sparc*) echo big;;
150 x86_64*) echo little;; 151 i?86*) echo little;;
151 *) echo wtf;; 152 *) echo wtf;;
152 esac 153 esac
153} 154}
154 155
155# Returns the version as by `$CC -dumpversion` 156# Returns the version as by `$CC -dumpversion`
170} 171}
171# Returns the Micro version 172# Returns the Micro version
172gcc-micro-version() { 173gcc-micro-version() {
173 echo "$(gcc-fullversion | cut -f3 -d. | cut -f1 -d-)" 174 echo "$(gcc-fullversion | cut -f3 -d. | cut -f1 -d-)"
174} 175}
175
176# Returns requested gcc specs directive
177# Note; later specs normally overwrite earlier ones; however if a later
178# spec starts with '+' then it appends.
179# gcc -dumpspecs is parsed first, followed by files listed by "gcc -v"
180# as "Reading <file>", in order.
181gcc-specs-directive() {
182 local specfiles=$($(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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