/[gentoo-x86]/eclass/toolchain-funcs.eclass
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Contents of /eclass/toolchain-funcs.eclass

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Revision 1.42 - (hide annotations) (download)
Tue Aug 2 13:26:59 2005 UTC (9 years, 1 month ago) by azarah
Branch: MAIN
Changes since 1.41: +2 -1 lines
Fix borkage with gcc4.

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 azarah 1.42 # $Header: /var/cvsroot/gentoo-x86/eclass/toolchain-funcs.eclass,v 1.41 2005/08/01 07:27:27 kevquinn 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
13     DESCRIPTION="Based on the ${ECLASS} eclass"
14    
15     tc-getPROG() {
16 vapier 1.33 local var=$1
17     local prog=$2
18 vapier 1.1
19 vapier 1.17 if [[ -n ${!var} ]] ; then
20 vapier 1.1 echo "${!var}"
21     return 0
22     fi
23    
24 eradicator 1.35 local search=
25     [[ -n $3 ]] && search=$(type -p "$3-${prog}")
26     [[ -z ${search} && -n $(get_abi_CHOST) ]] && search=$(type -p "$(get_abi_CHOST)-${prog}")
27     [[ -z ${search} && -n ${CHOST} ]] && search=$(type -p "${CHOST}-${prog}")
28     [[ -n ${search} ]] && prog=${search##*/}
29 vapier 1.1
30 vapier 1.17 export ${var}=${prog}
31 vapier 1.1 echo "${!var}"
32     }
33    
34     # Returns the name of the archiver
35 vapier 1.33 tc-getAR() { tc-getPROG AR ar "$@"; }
36 vapier 1.1 # Returns the name of the assembler
37 vapier 1.33 tc-getAS() { tc-getPROG AS as "$@"; }
38 vapier 1.1 # Returns the name of the C compiler
39 vapier 1.33 tc-getCC() { tc-getPROG CC gcc "$@"; }
40 vapier 1.1 # Returns the name of the C++ compiler
41 vapier 1.33 tc-getCXX() { tc-getPROG CXX g++ "$@"; }
42 vapier 1.1 # Returns the name of the linker
43 vapier 1.33 tc-getLD() { tc-getPROG LD ld "$@"; }
44 vapier 1.1 # Returns the name of the symbol/object thingy
45 vapier 1.33 tc-getNM() { tc-getPROG NM nm "$@"; }
46 vapier 1.1 # Returns the name of the archiver indexer
47 vapier 1.33 tc-getRANLIB() { tc-getPROG RANLIB ranlib "$@"; }
48 vapier 1.7 # Returns the name of the fortran compiler
49 vapier 1.33 tc-getF77() { tc-getPROG F77 f77 "$@"; }
50 vapier 1.8 # Returns the name of the java compiler
51 vapier 1.33 tc-getGCJ() { tc-getPROG GCJ gcj "$@"; }
52 vapier 1.1
53 vapier 1.4 # Returns the name of the C compiler for build
54     tc-getBUILD_CC() {
55 vapier 1.17 if [[ -n ${CC_FOR_BUILD} ]] ; then
56     export BUILD_CC=${CC_FOR_BUILD}
57 vapier 1.4 echo "${CC_FOR_BUILD}"
58     return 0
59     fi
60    
61 vapier 1.9 local search=
62 vapier 1.17 if [[ -n ${CBUILD} ]] ; then
63 vapier 1.21 search=$(type -p ${CBUILD}-gcc)
64 vapier 1.17 search=${search##*/}
65 vapier 1.9 else
66 vapier 1.17 search=gcc
67 vapier 1.9 fi
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 1.15 if [[ -n ${CBUILD} ]] ; then
84     return $([[ ${CBUILD} != ${CHOST} ]])
85     fi
86 vapier 1.16 return 1
87 vapier 1.12 }
88    
89 vapier 1.1
90 swegener 1.40 # Parse information from CBUILD/CHOST/CTARGET rather than
91 vapier 1.20 # use external variables from the profile.
92     tc-ninja_magic_to_arch() {
93 vapier 1.21 ninj() { [[ ${type} == "kern" ]] && echo $1 || echo $2 ; }
94 vapier 1.19
95     local type=$1
96     local host=$2
97 eradicator 1.25 [[ -z ${host} ]] && host=${CTARGET:-${CHOST}}
98 vapier 1.19
99     case ${host} in
100     alpha*) echo alpha;;
101     x86_64*) ninj x86_64 amd64;;
102     arm*) echo arm;;
103     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 ${host} in
136     alpha*) echo big;;
137     x86_64*) echo little;;
138 vapier 1.31 arm*b*) echo big;;
139 vapier 1.20 arm*) echo little;;
140     hppa*) echo big;;
141     ia64*) echo little;;
142 vapier 1.23 m68*) echo big;;
143 vapier 1.31 mips*l*) echo little;;
144 vapier 1.20 mips*) echo big;;
145     powerpc*) echo big;;
146     sparc*) echo big;;
147     s390*) echo big;;
148 vapier 1.31 sh*b*) echo big;;
149     sh*) echo little;;
150 vapier 1.20 i?86*) echo little;;
151     *) echo wtf;;
152     esac
153     }
154 vapier 1.19
155 vapier 1.1 # Returns the version as by `$CC -dumpversion`
156     gcc-fullversion() {
157     echo "$($(tc-getCC) -dumpversion)"
158     }
159     # Returns the version, but only the <major>.<minor>
160     gcc-version() {
161 vapier 1.2 echo "$(gcc-fullversion | cut -f1,2 -d.)"
162 vapier 1.1 }
163     # Returns the Major version
164     gcc-major-version() {
165 vapier 1.2 echo "$(gcc-version | cut -f1 -d.)"
166 vapier 1.1 }
167     # Returns the Minor version
168     gcc-minor-version() {
169 vapier 1.2 echo "$(gcc-version | cut -f2 -d.)"
170 vapier 1.1 }
171     # Returns the Micro version
172     gcc-micro-version() {
173 eradicator 1.30 echo "$(gcc-fullversion | cut -f3 -d. | cut -f1 -d-)"
174 vapier 1.1 }
175 kevquinn 1.41
176     # Returns requested gcc specs directive
177     # Note; if a spec exists more than once (e.g. in more than one specs file)
178     # the last one read is the active definition - i.e. they do not accumulate,
179     # each new definition replaces any previous definition.
180     gcc-specs-directive() {
181     local specfiles=$($(tc-getCC) -v 2>&1 | grep "^Reading" | awk '{print $NF}')
182 azarah 1.42 [[ -z ${specfiles} ]] && return 0
183 kevquinn 1.41 awk -v spec=$1 \
184     'BEGIN { sstr=""; outside=1 }
185     $1=="*"spec":" { sstr=""; outside=0; next }
186     outside || NF==0 || ( substr($1,1,1)=="*" && substr($1,length($1),1)==":" ) { outside=1; next }
187     { sstr=sstr $0 }
188     END { print sstr }' ${specfiles}
189     }
190    
191     # Returns true if gcc sets relro
192     gcc-specs-relro() {
193     local directive
194     directive=$(gcc-specs-directive link_command)
195     return $([[ ${directive/\{!norelro:} != ${directive} ]])
196     }
197     # Returns true if gcc sets now
198     gcc-specs-now() {
199     local directive
200     directive=$(gcc-specs-directive link_command)
201     return $([[ ${directive/\{!nonow:} != ${directive} ]])
202     }
203     # Returns true if gcc builds PIEs
204     gcc-specs-pie() {
205     local directive
206     directive=$(gcc-specs-directive cc1)
207     return $([[ ${directive/\{!nopie:} != ${directive} ]])
208     }
209     # Returns true if gcc builds with the stack protector
210     gcc-specs-ssp() {
211     local directive
212     directive=$(gcc-specs-directive cc1)
213     return $([[ ${directive/\{!fno-stack-protector:} != ${directive} ]])
214     }

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