/[gentoo-x86]/eclass/toolchain-funcs.eclass
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Revision 1.51 - (hide annotations) (download)
Mon Jan 9 04:35:14 2006 UTC (8 years, 6 months ago) by dostrow
Branch: MAIN
Changes since 1.50: +3 -1 lines
Minor fixup for new powerpc tree in toolchain-funcs.eclass.

1 vapier 1.50 # Copyright 1999-2006 Gentoo Foundation
2 vapier 1.1 # Distributed under the terms of the GNU General Public License v2
3 dostrow 1.51 # $Header: /var/cvsroot/gentoo-x86/eclass/toolchain-funcs.eclass,v 1.50 2006/01/08 03:37:36 vapier Exp $
4 vapier 1.1 #
5 vapier 1.47 # Author: Toolchain Ninjas <toolchain@gentoo.org>
6 vapier 1.1 #
7 swegener 1.40 # This eclass contains (or should) functions to get common info
8 vapier 1.1 # about the toolchain (libc/compiler/binutils/etc...)
9    
10 eradicator 1.34 inherit multilib
11    
12 vapier 1.1 DESCRIPTION="Based on the ${ECLASS} eclass"
13    
14     tc-getPROG() {
15 vapier 1.33 local var=$1
16     local prog=$2
17 vapier 1.1
18 vapier 1.17 if [[ -n ${!var} ]] ; then
19 vapier 1.1 echo "${!var}"
20     return 0
21     fi
22    
23 eradicator 1.35 local search=
24     [[ -n $3 ]] && search=$(type -p "$3-${prog}")
25     [[ -z ${search} && -n ${CHOST} ]] && search=$(type -p "${CHOST}-${prog}")
26     [[ -n ${search} ]] && prog=${search##*/}
27 vapier 1.1
28 vapier 1.17 export ${var}=${prog}
29 vapier 1.1 echo "${!var}"
30     }
31    
32     # Returns the name of the archiver
33 vapier 1.33 tc-getAR() { tc-getPROG AR ar "$@"; }
34 vapier 1.1 # Returns the name of the assembler
35 vapier 1.33 tc-getAS() { tc-getPROG AS as "$@"; }
36 vapier 1.1 # Returns the name of the C compiler
37 vapier 1.33 tc-getCC() { tc-getPROG CC gcc "$@"; }
38 vapier 1.1 # Returns the name of the C++ compiler
39 vapier 1.33 tc-getCXX() { tc-getPROG CXX g++ "$@"; }
40 vapier 1.1 # Returns the name of the linker
41 vapier 1.33 tc-getLD() { tc-getPROG LD ld "$@"; }
42 vapier 1.1 # Returns the name of the symbol/object thingy
43 vapier 1.33 tc-getNM() { tc-getPROG NM nm "$@"; }
44 vapier 1.1 # Returns the name of the archiver indexer
45 vapier 1.33 tc-getRANLIB() { tc-getPROG RANLIB ranlib "$@"; }
46 vapier 1.7 # Returns the name of the fortran compiler
47 vapier 1.33 tc-getF77() { tc-getPROG F77 f77 "$@"; }
48 vapier 1.8 # Returns the name of the java compiler
49 vapier 1.33 tc-getGCJ() { tc-getPROG GCJ gcj "$@"; }
50 vapier 1.1
51 vapier 1.4 # Returns the name of the C compiler for build
52     tc-getBUILD_CC() {
53 vapier 1.43 local v
54     for v in CC_FOR_BUILD BUILD_CC HOSTCC ; do
55     if [[ -n ${!v} ]] ; then
56     export BUILD_CC=${!v}
57     echo "${!v}"
58     return 0
59     fi
60     done
61 vapier 1.4
62 vapier 1.9 local search=
63 vapier 1.17 if [[ -n ${CBUILD} ]] ; then
64 vapier 1.21 search=$(type -p ${CBUILD}-gcc)
65 vapier 1.17 search=${search##*/}
66 vapier 1.9 fi
67 vapier 1.45 search=${search:-gcc}
68 vapier 1.11
69 vapier 1.17 export BUILD_CC=${search}
70 vapier 1.11 echo "${search}"
71 vapier 1.4 }
72 vapier 1.1
73 vapier 1.10 # Quick way to export a bunch of vars at once
74     tc-export() {
75     local var
76     for var in "$@" ; do
77 vapier 1.36 eval tc-get${var} > /dev/null
78 vapier 1.10 done
79     }
80    
81 vapier 1.12 # A simple way to see if we're using a cross-compiler ...
82     tc-is-cross-compiler() {
83 vapier 1.43 return $([[ ${CBUILD:-${CHOST}} != ${CHOST} ]])
84 vapier 1.12 }
85    
86 vapier 1.1
87 swegener 1.40 # Parse information from CBUILD/CHOST/CTARGET rather than
88 vapier 1.20 # use external variables from the profile.
89     tc-ninja_magic_to_arch() {
90 vapier 1.21 ninj() { [[ ${type} == "kern" ]] && echo $1 || echo $2 ; }
91 vapier 1.19
92     local type=$1
93     local host=$2
94 eradicator 1.25 [[ -z ${host} ]] && host=${CTARGET:-${CHOST}}
95 vapier 1.19
96     case ${host} in
97     alpha*) echo alpha;;
98     arm*) echo arm;;
99 vapier 1.47 cris*) echo cris;;
100 vapier 1.19 hppa*) ninj parisc hppa;;
101 vapier 1.47 i?86*) ninj i386 x86;;
102 vapier 1.19 ia64*) echo ia64;;
103 vapier 1.23 m68*) echo m68k;;
104 vapier 1.19 mips*) echo mips;;
105 vapier 1.49 powerpc*)
106     # Starting with linux-2.6.15, the 'ppc' and 'ppc64' trees
107     # have been unified into simply 'powerpc'
108 vapier 1.50 if [[ $(KV_to_int ${KV}) -ge $(KV_to_int 2.6.15) ]] && [[ ${type} == "kern" ]] ; then
109 vapier 1.49 echo powerpc
110     elif [[ ${host} == powerpc64* ]] ; then
111     echo ppc64
112 dostrow 1.51 elif [[ ${PROFILE_ARCH} == "ppc64" ]] ; then
113     ninj ppc64 ppc
114 vapier 1.49 else
115     echo ppc
116     fi
117 dostrow 1.37 ;;
118 vapier 1.47 s390*) echo s390;;
119     sh64*) ninj sh64 sh;;
120     sh*) echo sh;;
121 vapier 1.19 sparc64*) ninj sparc64 sparc;;
122 vapier 1.28 sparc*) [[ ${PROFILE_ARCH} == "sparc64" ]] \
123     && ninj sparc64 sparc \
124     || echo sparc
125     ;;
126 vapier 1.47 vax*) echo vax;;
127     x86_64*) ninj x86_64 amd64;;
128 vapier 1.28 *) echo ${ARCH};;
129 vapier 1.19 esac
130     }
131 vapier 1.20 tc-arch-kernel() {
132     tc-ninja_magic_to_arch kern $@
133 vapier 1.19 }
134 vapier 1.20 tc-arch() {
135     tc-ninja_magic_to_arch portage $@
136 vapier 1.19 }
137 vapier 1.20 tc-endian() {
138     local host=$1
139 vapier 1.29 [[ -z ${host} ]] && host=${CTARGET:-${CHOST}}
140 vapier 1.31 host=${host%%-*}
141 vapier 1.19
142 vapier 1.20 case ${host} in
143     alpha*) echo big;;
144 vapier 1.31 arm*b*) echo big;;
145 vapier 1.20 arm*) echo little;;
146 vapier 1.47 cris*) echo little;;
147 vapier 1.20 hppa*) echo big;;
148 vapier 1.47 i?86*) echo little;;
149 vapier 1.20 ia64*) echo little;;
150 vapier 1.23 m68*) echo big;;
151 vapier 1.31 mips*l*) echo little;;
152 vapier 1.20 mips*) echo big;;
153     powerpc*) echo big;;
154     s390*) echo big;;
155 vapier 1.31 sh*b*) echo big;;
156     sh*) echo little;;
157 vapier 1.47 sparc*) echo big;;
158     x86_64*) echo little;;
159 vapier 1.20 *) echo wtf;;
160     esac
161     }
162 vapier 1.19
163 vapier 1.1 # Returns the version as by `$CC -dumpversion`
164     gcc-fullversion() {
165     echo "$($(tc-getCC) -dumpversion)"
166     }
167     # Returns the version, but only the <major>.<minor>
168     gcc-version() {
169 vapier 1.2 echo "$(gcc-fullversion | cut -f1,2 -d.)"
170 vapier 1.1 }
171     # Returns the Major version
172     gcc-major-version() {
173 vapier 1.2 echo "$(gcc-version | cut -f1 -d.)"
174 vapier 1.1 }
175     # Returns the Minor version
176     gcc-minor-version() {
177 vapier 1.2 echo "$(gcc-version | cut -f2 -d.)"
178 vapier 1.1 }
179     # Returns the Micro version
180     gcc-micro-version() {
181 eradicator 1.30 echo "$(gcc-fullversion | cut -f3 -d. | cut -f1 -d-)"
182 vapier 1.1 }
183 kevquinn 1.41
184     # Returns requested gcc specs directive
185 kevquinn 1.46 # Note; later specs normally overwrite earlier ones; however if a later
186     # spec starts with '+' then it appends.
187     # gcc -dumpspecs is parsed first, followed by files listed by "gcc -v"
188     # as "Reading <file>", in order.
189 kevquinn 1.41 gcc-specs-directive() {
190 kevquinn 1.46 local specfiles=$($(tc-getCC) -v 2>&1 | awk '$1=="Reading" {print $NF}')
191     $(tc-getCC) -dumpspecs 2> /dev/null | cat - ${specfiles} | awk -v directive=$1 \
192     'BEGIN { pspec=""; spec=""; outside=1 }
193     $1=="*"directive":" { pspec=spec; spec=""; outside=0; next }
194 kevquinn 1.41 outside || NF==0 || ( substr($1,1,1)=="*" && substr($1,length($1),1)==":" ) { outside=1; next }
195 kevquinn 1.46 spec=="" && substr($0,1,1)=="+" { spec=pspec " " substr($0,2); next }
196     { spec=spec $0 }
197     END { print spec }'
198     return 0
199 kevquinn 1.41 }
200    
201     # Returns true if gcc sets relro
202     gcc-specs-relro() {
203     local directive
204     directive=$(gcc-specs-directive link_command)
205     return $([[ ${directive/\{!norelro:} != ${directive} ]])
206     }
207     # Returns true if gcc sets now
208     gcc-specs-now() {
209     local directive
210     directive=$(gcc-specs-directive link_command)
211     return $([[ ${directive/\{!nonow:} != ${directive} ]])
212     }
213     # Returns true if gcc builds PIEs
214     gcc-specs-pie() {
215     local directive
216     directive=$(gcc-specs-directive cc1)
217     return $([[ ${directive/\{!nopie:} != ${directive} ]])
218     }
219     # Returns true if gcc builds with the stack protector
220     gcc-specs-ssp() {
221     local directive
222     directive=$(gcc-specs-directive cc1)
223     return $([[ ${directive/\{!fno-stack-protector:} != ${directive} ]])
224     }
225 kevquinn 1.46 # Returns true if gcc upgrades fstack-protector to fstack-protector-all
226     gcc-specs-ssp-to-all() {
227     local directive
228     directive=$(gcc-specs-directive cc1)
229     return $([[ ${directive/\{!fno-stack-protector-all:} != ${directive} ]])
230     }

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