| 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 1.42 2005/08/02 13:26:59 azarah Exp $ |
3 | # $Header: /var/cvsroot/gentoo-x86/eclass/toolchain-funcs.eclass,v 1.49 2006/01/04 04:59:54 vapier Exp $ |
| 4 | # |
4 | # |
| 5 | # Author: Toolchain Ninjas <ninjas@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...) |
| 9 | |
9 | |
| 10 | inherit multilib |
10 | inherit multilib |
| 11 | |
|
|
| 12 | |
11 | |
| 13 | DESCRIPTION="Based on the ${ECLASS} eclass" |
12 | DESCRIPTION="Based on the ${ECLASS} eclass" |
| 14 | |
13 | |
| 15 | tc-getPROG() { |
14 | tc-getPROG() { |
| 16 | local var=$1 |
15 | local var=$1 |
| … | |
… | |
| 21 | return 0 |
20 | return 0 |
| 22 | fi |
21 | fi |
| 23 | |
22 | |
| 24 | local search= |
23 | local search= |
| 25 | [[ -n $3 ]] && search=$(type -p "$3-${prog}") |
24 | [[ -n $3 ]] && search=$(type -p "$3-${prog}") |
| 26 | [[ -z ${search} && -n $(get_abi_CHOST) ]] && search=$(type -p "$(get_abi_CHOST)-${prog}") |
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|
| 27 | [[ -z ${search} && -n ${CHOST} ]] && search=$(type -p "${CHOST}-${prog}") |
25 | [[ -z ${search} && -n ${CHOST} ]] && search=$(type -p "${CHOST}-${prog}") |
| 28 | [[ -n ${search} ]] && prog=${search##*/} |
26 | [[ -n ${search} ]] && prog=${search##*/} |
| 29 | |
27 | |
| 30 | export ${var}=${prog} |
28 | export ${var}=${prog} |
| 31 | echo "${!var}" |
29 | echo "${!var}" |
| … | |
… | |
| 50 | # Returns the name of the java compiler |
48 | # Returns the name of the java compiler |
| 51 | tc-getGCJ() { tc-getPROG GCJ gcj "$@"; } |
49 | tc-getGCJ() { tc-getPROG GCJ gcj "$@"; } |
| 52 | |
50 | |
| 53 | # Returns the name of the C compiler for build |
51 | # Returns the name of the C compiler for build |
| 54 | tc-getBUILD_CC() { |
52 | tc-getBUILD_CC() { |
|
|
53 | local v |
|
|
54 | for v in CC_FOR_BUILD BUILD_CC HOSTCC ; do |
| 55 | if [[ -n ${CC_FOR_BUILD} ]] ; then |
55 | if [[ -n ${!v} ]] ; then |
| 56 | export BUILD_CC=${CC_FOR_BUILD} |
56 | export BUILD_CC=${!v} |
| 57 | echo "${CC_FOR_BUILD}" |
57 | echo "${!v}" |
| 58 | return 0 |
58 | return 0 |
| 59 | fi |
59 | fi |
|
|
60 | done |
| 60 | |
61 | |
| 61 | local search= |
62 | local search= |
| 62 | if [[ -n ${CBUILD} ]] ; then |
63 | if [[ -n ${CBUILD} ]] ; then |
| 63 | search=$(type -p ${CBUILD}-gcc) |
64 | search=$(type -p ${CBUILD}-gcc) |
| 64 | search=${search##*/} |
65 | search=${search##*/} |
| 65 | else |
|
|
| 66 | search=gcc |
|
|
| 67 | fi |
66 | fi |
|
|
67 | search=${search:-gcc} |
| 68 | |
68 | |
| 69 | export BUILD_CC=${search} |
69 | export BUILD_CC=${search} |
| 70 | echo "${search}" |
70 | echo "${search}" |
| 71 | } |
71 | } |
| 72 | |
72 | |
| … | |
… | |
| 78 | done |
78 | done |
| 79 | } |
79 | } |
| 80 | |
80 | |
| 81 | # A simple way to see if we're using a cross-compiler ... |
81 | # A simple way to see if we're using a cross-compiler ... |
| 82 | tc-is-cross-compiler() { |
82 | tc-is-cross-compiler() { |
| 83 | if [[ -n ${CBUILD} ]] ; then |
|
|
| 84 | return $([[ ${CBUILD} != ${CHOST} ]]) |
83 | return $([[ ${CBUILD:-${CHOST}} != ${CHOST} ]]) |
| 85 | fi |
|
|
| 86 | return 1 |
|
|
| 87 | } |
84 | } |
| 88 | |
85 | |
| 89 | |
86 | |
| 90 | # Parse information from CBUILD/CHOST/CTARGET rather than |
87 | # Parse information from CBUILD/CHOST/CTARGET rather than |
| 91 | # use external variables from the profile. |
88 | # use external variables from the profile. |
| … | |
… | |
| 96 | local host=$2 |
93 | local host=$2 |
| 97 | [[ -z ${host} ]] && host=${CTARGET:-${CHOST}} |
94 | [[ -z ${host} ]] && host=${CTARGET:-${CHOST}} |
| 98 | |
95 | |
| 99 | case ${host} in |
96 | case ${host} in |
| 100 | alpha*) echo alpha;; |
97 | alpha*) echo alpha;; |
| 101 | x86_64*) ninj x86_64 amd64;; |
|
|
| 102 | arm*) echo arm;; |
98 | arm*) echo arm;; |
|
|
99 | cris*) echo cris;; |
| 103 | hppa*) ninj parisc hppa;; |
100 | hppa*) ninj parisc hppa;; |
|
|
101 | i?86*) ninj i386 x86;; |
| 104 | ia64*) echo ia64;; |
102 | ia64*) echo ia64;; |
| 105 | m68*) echo m68k;; |
103 | m68*) echo m68k;; |
| 106 | mips*) echo mips;; |
104 | mips*) echo mips;; |
| 107 | powerpc64*) echo ppc64;; |
105 | powerpc64*) echo ppc64;; |
| 108 | powerpc*) [[ ${PROFILE_ARCH} == "ppc64" ]] \ |
106 | powerpc*) |
| 109 | && ninj ppc64 ppc \ |
107 | # Starting with linux-2.6.15, the 'ppc' and 'ppc64' trees |
|
|
108 | # have been unified into simply 'powerpc' |
|
|
109 | if [[ $(KV_to_int ${KV}) -ge $(KV_to_int 2.6.15) ]] ; then |
|
|
110 | echo powerpc |
|
|
111 | elif [[ ${host} == powerpc64* ]] ; then |
|
|
112 | echo ppc64 |
|
|
113 | else |
| 110 | || echo ppc |
114 | echo ppc |
|
|
115 | fi |
| 111 | ;; |
116 | ;; |
|
|
117 | s390*) echo s390;; |
|
|
118 | sh64*) ninj sh64 sh;; |
|
|
119 | sh*) echo sh;; |
| 112 | sparc64*) ninj sparc64 sparc;; |
120 | sparc64*) ninj sparc64 sparc;; |
| 113 | sparc*) [[ ${PROFILE_ARCH} == "sparc64" ]] \ |
121 | sparc*) [[ ${PROFILE_ARCH} == "sparc64" ]] \ |
| 114 | && ninj sparc64 sparc \ |
122 | && ninj sparc64 sparc \ |
| 115 | || echo sparc |
123 | || echo sparc |
| 116 | ;; |
124 | ;; |
| 117 | s390*) echo s390;; |
125 | vax*) echo vax;; |
| 118 | sh64*) ninj sh64 sh;; |
126 | x86_64*) ninj x86_64 amd64;; |
| 119 | sh*) echo sh;; |
|
|
| 120 | i?86*) ninj i386 x86;; |
|
|
| 121 | *) echo ${ARCH};; |
127 | *) echo ${ARCH};; |
| 122 | esac |
128 | esac |
| 123 | } |
129 | } |
| 124 | tc-arch-kernel() { |
130 | tc-arch-kernel() { |
| 125 | tc-ninja_magic_to_arch kern $@ |
131 | tc-ninja_magic_to_arch kern $@ |
| … | |
… | |
| 132 | [[ -z ${host} ]] && host=${CTARGET:-${CHOST}} |
138 | [[ -z ${host} ]] && host=${CTARGET:-${CHOST}} |
| 133 | host=${host%%-*} |
139 | host=${host%%-*} |
| 134 | |
140 | |
| 135 | case ${host} in |
141 | case ${host} in |
| 136 | alpha*) echo big;; |
142 | alpha*) echo big;; |
| 137 | x86_64*) echo little;; |
|
|
| 138 | arm*b*) echo big;; |
143 | arm*b*) echo big;; |
| 139 | arm*) echo little;; |
144 | arm*) echo little;; |
|
|
145 | cris*) echo little;; |
| 140 | hppa*) echo big;; |
146 | hppa*) echo big;; |
|
|
147 | i?86*) echo little;; |
| 141 | ia64*) echo little;; |
148 | ia64*) echo little;; |
| 142 | m68*) echo big;; |
149 | m68*) echo big;; |
| 143 | mips*l*) echo little;; |
150 | mips*l*) echo little;; |
| 144 | mips*) echo big;; |
151 | mips*) echo big;; |
| 145 | powerpc*) echo big;; |
152 | powerpc*) echo big;; |
| 146 | sparc*) echo big;; |
|
|
| 147 | s390*) echo big;; |
153 | s390*) echo big;; |
| 148 | sh*b*) echo big;; |
154 | sh*b*) echo big;; |
| 149 | sh*) echo little;; |
155 | sh*) echo little;; |
|
|
156 | sparc*) echo big;; |
| 150 | i?86*) echo little;; |
157 | x86_64*) echo little;; |
| 151 | *) echo wtf;; |
158 | *) echo wtf;; |
| 152 | esac |
159 | esac |
| 153 | } |
160 | } |
| 154 | |
161 | |
| 155 | # Returns the version as by `$CC -dumpversion` |
162 | # Returns the version as by `$CC -dumpversion` |
| … | |
… | |
| 172 | gcc-micro-version() { |
179 | gcc-micro-version() { |
| 173 | echo "$(gcc-fullversion | cut -f3 -d. | cut -f1 -d-)" |
180 | echo "$(gcc-fullversion | cut -f3 -d. | cut -f1 -d-)" |
| 174 | } |
181 | } |
| 175 | |
182 | |
| 176 | # Returns requested gcc specs directive |
183 | # Returns requested gcc specs directive |
| 177 | # Note; if a spec exists more than once (e.g. in more than one specs file) |
184 | # Note; later specs normally overwrite earlier ones; however if a later |
| 178 | # the last one read is the active definition - i.e. they do not accumulate, |
185 | # spec starts with '+' then it appends. |
| 179 | # each new definition replaces any previous definition. |
186 | # gcc -dumpspecs is parsed first, followed by files listed by "gcc -v" |
|
|
187 | # as "Reading <file>", in order. |
| 180 | gcc-specs-directive() { |
188 | gcc-specs-directive() { |
| 181 | local specfiles=$($(tc-getCC) -v 2>&1 | grep "^Reading" | awk '{print $NF}') |
189 | local specfiles=$($(tc-getCC) -v 2>&1 | awk '$1=="Reading" {print $NF}') |
| 182 | [[ -z ${specfiles} ]] && return 0 |
190 | $(tc-getCC) -dumpspecs 2> /dev/null | cat - ${specfiles} | awk -v directive=$1 \ |
| 183 | awk -v spec=$1 \ |
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|
| 184 | 'BEGIN { sstr=""; outside=1 } |
191 | 'BEGIN { pspec=""; spec=""; outside=1 } |
| 185 | $1=="*"spec":" { sstr=""; outside=0; next } |
192 | $1=="*"directive":" { pspec=spec; spec=""; outside=0; next } |
| 186 | outside || NF==0 || ( substr($1,1,1)=="*" && substr($1,length($1),1)==":" ) { outside=1; next } |
193 | outside || NF==0 || ( substr($1,1,1)=="*" && substr($1,length($1),1)==":" ) { outside=1; next } |
| 187 | { sstr=sstr $0 } |
194 | spec=="" && substr($0,1,1)=="+" { spec=pspec " " substr($0,2); next } |
| 188 | END { print sstr }' ${specfiles} |
195 | { spec=spec $0 } |
|
|
196 | END { print spec }' |
|
|
197 | return 0 |
| 189 | } |
198 | } |
| 190 | |
199 | |
| 191 | # Returns true if gcc sets relro |
200 | # Returns true if gcc sets relro |
| 192 | gcc-specs-relro() { |
201 | gcc-specs-relro() { |
| 193 | local directive |
202 | local directive |
| … | |
… | |
| 210 | gcc-specs-ssp() { |
219 | gcc-specs-ssp() { |
| 211 | local directive |
220 | local directive |
| 212 | directive=$(gcc-specs-directive cc1) |
221 | directive=$(gcc-specs-directive cc1) |
| 213 | return $([[ ${directive/\{!fno-stack-protector:} != ${directive} ]]) |
222 | return $([[ ${directive/\{!fno-stack-protector:} != ${directive} ]]) |
| 214 | } |
223 | } |
| 215 | |
224 | # Returns true if gcc upgrades fstack-protector to fstack-protector-all |
|
|
225 | gcc-specs-ssp-to-all() { |
|
|
226 | local directive |
|
|
227 | directive=$(gcc-specs-directive cc1) |
|
|
228 | return $([[ ${directive/\{!fno-stack-protector-all:} != ${directive} ]]) |
|
|
229 | } |