/[gentoo-x86]/eclass/toolchain-funcs.eclass
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Revision 1.43 - (hide annotations) (download)
Thu Sep 15 00:13:10 2005 UTC (9 years, 3 months ago) by vapier
Branch: MAIN
Changes since 1.42: +10 -12 lines
handle CBUILD better since it is forced in portage now and check for CC_FOR_BUILD BUILD_CC HOSTCC as the build cc

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 1.43 # $Header: /var/cvsroot/gentoo-x86/eclass/toolchain-funcs.eclass,v 1.42 2005/08/02 13:26:59 azarah 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     hppa*) ninj parisc hppa;;
103     ia64*) echo ia64;;
104 vapier 1.23 m68*) echo m68k;;
105 vapier 1.19 mips*) echo mips;;
106     powerpc64*) echo ppc64;;
107 dostrow 1.37 powerpc*) [[ ${PROFILE_ARCH} == "ppc64" ]] \
108     && ninj ppc64 ppc \
109     || echo ppc
110     ;;
111 vapier 1.19 sparc64*) ninj sparc64 sparc;;
112 vapier 1.28 sparc*) [[ ${PROFILE_ARCH} == "sparc64" ]] \
113     && ninj sparc64 sparc \
114     || echo sparc
115     ;;
116 vapier 1.19 s390*) echo s390;;
117     sh64*) ninj sh64 sh;;
118     sh*) echo sh;;
119 vapier 1.22 i?86*) ninj i386 x86;;
120 vapier 1.28 *) echo ${ARCH};;
121 vapier 1.19 esac
122     }
123 vapier 1.20 tc-arch-kernel() {
124     tc-ninja_magic_to_arch kern $@
125 vapier 1.19 }
126 vapier 1.20 tc-arch() {
127     tc-ninja_magic_to_arch portage $@
128 vapier 1.19 }
129 vapier 1.20 tc-endian() {
130     local host=$1
131 vapier 1.29 [[ -z ${host} ]] && host=${CTARGET:-${CHOST}}
132 vapier 1.31 host=${host%%-*}
133 vapier 1.19
134 vapier 1.20 case ${host} in
135     alpha*) echo big;;
136     x86_64*) echo little;;
137 vapier 1.31 arm*b*) echo big;;
138 vapier 1.20 arm*) echo little;;
139     hppa*) echo big;;
140     ia64*) echo little;;
141 vapier 1.23 m68*) echo big;;
142 vapier 1.31 mips*l*) echo little;;
143 vapier 1.20 mips*) echo big;;
144     powerpc*) echo big;;
145     sparc*) echo big;;
146     s390*) echo big;;
147 vapier 1.31 sh*b*) echo big;;
148     sh*) echo little;;
149 vapier 1.20 i?86*) echo little;;
150     *) echo wtf;;
151     esac
152     }
153 vapier 1.19
154 vapier 1.1 # Returns the version as by `$CC -dumpversion`
155     gcc-fullversion() {
156     echo "$($(tc-getCC) -dumpversion)"
157     }
158     # Returns the version, but only the <major>.<minor>
159     gcc-version() {
160 vapier 1.2 echo "$(gcc-fullversion | cut -f1,2 -d.)"
161 vapier 1.1 }
162     # Returns the Major version
163     gcc-major-version() {
164 vapier 1.2 echo "$(gcc-version | cut -f1 -d.)"
165 vapier 1.1 }
166     # Returns the Minor version
167     gcc-minor-version() {
168 vapier 1.2 echo "$(gcc-version | cut -f2 -d.)"
169 vapier 1.1 }
170     # Returns the Micro version
171     gcc-micro-version() {
172 eradicator 1.30 echo "$(gcc-fullversion | cut -f3 -d. | cut -f1 -d-)"
173 vapier 1.1 }
174 kevquinn 1.41
175     # Returns requested gcc specs directive
176     # Note; if a spec exists more than once (e.g. in more than one specs file)
177     # the last one read is the active definition - i.e. they do not accumulate,
178     # each new definition replaces any previous definition.
179     gcc-specs-directive() {
180     local specfiles=$($(tc-getCC) -v 2>&1 | grep "^Reading" | awk '{print $NF}')
181 azarah 1.42 [[ -z ${specfiles} ]] && return 0
182 kevquinn 1.41 awk -v spec=$1 \
183     'BEGIN { sstr=""; outside=1 }
184     $1=="*"spec":" { sstr=""; outside=0; next }
185     outside || NF==0 || ( substr($1,1,1)=="*" && substr($1,length($1),1)==":" ) { outside=1; next }
186     { sstr=sstr $0 }
187     END { print sstr }' ${specfiles}
188     }
189    
190     # Returns true if gcc sets relro
191     gcc-specs-relro() {
192     local directive
193     directive=$(gcc-specs-directive link_command)
194     return $([[ ${directive/\{!norelro:} != ${directive} ]])
195     }
196     # Returns true if gcc sets now
197     gcc-specs-now() {
198     local directive
199     directive=$(gcc-specs-directive link_command)
200     return $([[ ${directive/\{!nonow:} != ${directive} ]])
201     }
202     # Returns true if gcc builds PIEs
203     gcc-specs-pie() {
204     local directive
205     directive=$(gcc-specs-directive cc1)
206     return $([[ ${directive/\{!nopie:} != ${directive} ]])
207     }
208     # Returns true if gcc builds with the stack protector
209     gcc-specs-ssp() {
210     local directive
211     directive=$(gcc-specs-directive cc1)
212     return $([[ ${directive/\{!fno-stack-protector:} != ${directive} ]])
213     }

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