/[gentoo-x86]/eclass/toolchain-funcs.eclass
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Revision 1.44 - (hide annotations) (download)
Fri Sep 16 01:44:42 2005 UTC (8 years, 10 months ago) by vapier
Branch: MAIN
Changes since 1.43: +3 -1 lines
add arm thumb support

1 vapier 1.26 # Copyright 1999-2005 Gentoo Foundation
2 vapier 1.1 # Distributed under the terms of the GNU General Public License v2
3 vapier 1.44 # $Header: /var/cvsroot/gentoo-x86/eclass/toolchain-funcs.eclass,v 1.43 2005/09/15 00:13:10 vapier Exp $
4 vapier 1.1 #
5     # Author: Toolchain Ninjas <ninjas@gentoo.org>
6     #
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 $(get_abi_CHOST) ]] && search=$(type -p "$(get_abi_CHOST)-${prog}")
26     [[ -z ${search} && -n ${CHOST} ]] && search=$(type -p "${CHOST}-${prog}")
27     [[ -n ${search} ]] && prog=${search##*/}
28 vapier 1.1
29 vapier 1.17 export ${var}=${prog}
30 vapier 1.1 echo "${!var}"
31     }
32    
33     # Returns the name of the archiver
34 vapier 1.33 tc-getAR() { tc-getPROG AR ar "$@"; }
35 vapier 1.1 # Returns the name of the assembler
36 vapier 1.33 tc-getAS() { tc-getPROG AS as "$@"; }
37 vapier 1.1 # Returns the name of the C compiler
38 vapier 1.33 tc-getCC() { tc-getPROG CC gcc "$@"; }
39 vapier 1.1 # Returns the name of the C++ compiler
40 vapier 1.33 tc-getCXX() { tc-getPROG CXX g++ "$@"; }
41 vapier 1.1 # Returns the name of the linker
42 vapier 1.33 tc-getLD() { tc-getPROG LD ld "$@"; }
43 vapier 1.1 # Returns the name of the symbol/object thingy
44 vapier 1.33 tc-getNM() { tc-getPROG NM nm "$@"; }
45 vapier 1.1 # Returns the name of the archiver indexer
46 vapier 1.33 tc-getRANLIB() { tc-getPROG RANLIB ranlib "$@"; }
47 vapier 1.7 # Returns the name of the fortran compiler
48 vapier 1.33 tc-getF77() { tc-getPROG F77 f77 "$@"; }
49 vapier 1.8 # Returns the name of the java compiler
50 vapier 1.33 tc-getGCJ() { tc-getPROG GCJ gcj "$@"; }
51 vapier 1.1
52 vapier 1.4 # Returns the name of the C compiler for build
53     tc-getBUILD_CC() {
54 vapier 1.43 local v
55     for v in CC_FOR_BUILD BUILD_CC HOSTCC ; do
56     if [[ -n ${!v} ]] ; then
57     export BUILD_CC=${!v}
58     echo "${!v}"
59     return 0
60     fi
61     done
62 vapier 1.4
63 vapier 1.9 local search=
64 vapier 1.17 if [[ -n ${CBUILD} ]] ; then
65 vapier 1.21 search=$(type -p ${CBUILD}-gcc)
66 vapier 1.17 search=${search##*/}
67 vapier 1.9 else
68 vapier 1.17 search=gcc
69 vapier 1.9 fi
70 vapier 1.11
71 vapier 1.17 export BUILD_CC=${search}
72 vapier 1.11 echo "${search}"
73 vapier 1.4 }
74 vapier 1.1
75 vapier 1.10 # Quick way to export a bunch of vars at once
76     tc-export() {
77     local var
78     for var in "$@" ; do
79 vapier 1.36 eval tc-get${var} > /dev/null
80 vapier 1.10 done
81     }
82    
83 vapier 1.12 # A simple way to see if we're using a cross-compiler ...
84     tc-is-cross-compiler() {
85 vapier 1.43 return $([[ ${CBUILD:-${CHOST}} != ${CHOST} ]])
86 vapier 1.12 }
87    
88 vapier 1.1
89 swegener 1.40 # Parse information from CBUILD/CHOST/CTARGET rather than
90 vapier 1.20 # use external variables from the profile.
91     tc-ninja_magic_to_arch() {
92 vapier 1.21 ninj() { [[ ${type} == "kern" ]] && echo $1 || echo $2 ; }
93 vapier 1.19
94     local type=$1
95     local host=$2
96 eradicator 1.25 [[ -z ${host} ]] && host=${CTARGET:-${CHOST}}
97 vapier 1.19
98     case ${host} in
99     alpha*) echo alpha;;
100     x86_64*) ninj x86_64 amd64;;
101     arm*) echo arm;;
102 vapier 1.44 thumb*) echo arm;;
103 vapier 1.19 hppa*) ninj parisc hppa;;
104     ia64*) echo ia64;;
105 vapier 1.23 m68*) echo m68k;;
106 vapier 1.19 mips*) echo mips;;
107     powerpc64*) echo ppc64;;
108 dostrow 1.37 powerpc*) [[ ${PROFILE_ARCH} == "ppc64" ]] \
109     && ninj ppc64 ppc \
110     || echo ppc
111     ;;
112 vapier 1.19 sparc64*) ninj sparc64 sparc;;
113 vapier 1.28 sparc*) [[ ${PROFILE_ARCH} == "sparc64" ]] \
114     && ninj sparc64 sparc \
115     || echo sparc
116     ;;
117 vapier 1.19 s390*) echo s390;;
118     sh64*) ninj sh64 sh;;
119     sh*) echo sh;;
120 vapier 1.22 i?86*) ninj i386 x86;;
121 vapier 1.28 *) echo ${ARCH};;
122 vapier 1.19 esac
123     }
124 vapier 1.20 tc-arch-kernel() {
125     tc-ninja_magic_to_arch kern $@
126 vapier 1.19 }
127 vapier 1.20 tc-arch() {
128     tc-ninja_magic_to_arch portage $@
129 vapier 1.19 }
130 vapier 1.20 tc-endian() {
131     local host=$1
132 vapier 1.29 [[ -z ${host} ]] && host=${CTARGET:-${CHOST}}
133 vapier 1.31 host=${host%%-*}
134 vapier 1.19
135 vapier 1.20 case ${host} in
136     alpha*) echo big;;
137     x86_64*) echo little;;
138 vapier 1.31 arm*b*) echo big;;
139 vapier 1.20 arm*) echo little;;
140 vapier 1.44 thumb*) echo little;;
141 vapier 1.20 hppa*) echo big;;
142     ia64*) echo little;;
143 vapier 1.23 m68*) echo big;;
144 vapier 1.31 mips*l*) echo little;;
145 vapier 1.20 mips*) echo big;;
146     powerpc*) echo big;;
147     sparc*) echo big;;
148     s390*) echo big;;
149 vapier 1.31 sh*b*) echo big;;
150     sh*) echo little;;
151 vapier 1.20 i?86*) echo little;;
152     *) echo wtf;;
153     esac
154     }
155 vapier 1.19
156 vapier 1.1 # Returns the version as by `$CC -dumpversion`
157     gcc-fullversion() {
158     echo "$($(tc-getCC) -dumpversion)"
159     }
160     # Returns the version, but only the <major>.<minor>
161     gcc-version() {
162 vapier 1.2 echo "$(gcc-fullversion | cut -f1,2 -d.)"
163 vapier 1.1 }
164     # Returns the Major version
165     gcc-major-version() {
166 vapier 1.2 echo "$(gcc-version | cut -f1 -d.)"
167 vapier 1.1 }
168     # Returns the Minor version
169     gcc-minor-version() {
170 vapier 1.2 echo "$(gcc-version | cut -f2 -d.)"
171 vapier 1.1 }
172     # Returns the Micro version
173     gcc-micro-version() {
174 eradicator 1.30 echo "$(gcc-fullversion | cut -f3 -d. | cut -f1 -d-)"
175 vapier 1.1 }
176 kevquinn 1.41
177     # Returns requested gcc specs directive
178     # Note; if a spec exists more than once (e.g. in more than one specs file)
179     # the last one read is the active definition - i.e. they do not accumulate,
180     # each new definition replaces any previous definition.
181     gcc-specs-directive() {
182     local specfiles=$($(tc-getCC) -v 2>&1 | grep "^Reading" | awk '{print $NF}')
183 azarah 1.42 [[ -z ${specfiles} ]] && return 0
184 kevquinn 1.41 awk -v spec=$1 \
185     'BEGIN { sstr=""; outside=1 }
186     $1=="*"spec":" { sstr=""; outside=0; next }
187     outside || NF==0 || ( substr($1,1,1)=="*" && substr($1,length($1),1)==":" ) { outside=1; next }
188     { sstr=sstr $0 }
189     END { print sstr }' ${specfiles}
190     }
191    
192     # Returns true if gcc sets relro
193     gcc-specs-relro() {
194     local directive
195     directive=$(gcc-specs-directive link_command)
196     return $([[ ${directive/\{!norelro:} != ${directive} ]])
197     }
198     # Returns true if gcc sets now
199     gcc-specs-now() {
200     local directive
201     directive=$(gcc-specs-directive link_command)
202     return $([[ ${directive/\{!nonow:} != ${directive} ]])
203     }
204     # Returns true if gcc builds PIEs
205     gcc-specs-pie() {
206     local directive
207     directive=$(gcc-specs-directive cc1)
208     return $([[ ${directive/\{!nopie:} != ${directive} ]])
209     }
210     # Returns true if gcc builds with the stack protector
211     gcc-specs-ssp() {
212     local directive
213     directive=$(gcc-specs-directive cc1)
214     return $([[ ${directive/\{!fno-stack-protector:} != ${directive} ]])
215     }

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