/[gentoo-x86]/eclass/toolchain-funcs.eclass
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Revision 1.1.1.1 - (hide annotations) (download) (vendor branch)
Wed Nov 30 09:59:25 2005 UTC (8 years, 9 months ago) by chriswhite
Changes since 1.1: +178 -35 lines
*** empty log message ***

1 chriswhite 1.1.1.1 # Copyright 1999-2005 Gentoo Foundation
2 vapier 1.1 # Distributed under the terms of the GNU General Public License v2
3 chriswhite 1.1.1.1 # $Header: /var/cvsroot/gentoo-x86/eclass/toolchain-funcs.eclass,v 1.48 2005/11/03 10:10:48 eradicator Exp $
4 vapier 1.1 #
5 chriswhite 1.1.1.1 # Author: Toolchain Ninjas <toolchain@gentoo.org>
6 vapier 1.1 #
7 chriswhite 1.1.1.1 # This eclass contains (or should) functions to get common info
8 vapier 1.1 # about the toolchain (libc/compiler/binutils/etc...)
9    
10 chriswhite 1.1.1.1 inherit multilib
11 vapier 1.1
12     DESCRIPTION="Based on the ${ECLASS} eclass"
13    
14     tc-getPROG() {
15 chriswhite 1.1.1.1 local var=$1
16     local prog=$2
17 vapier 1.1
18 chriswhite 1.1.1.1 if [[ -n ${!var} ]] ; then
19 vapier 1.1 echo "${!var}"
20     return 0
21     fi
22    
23 chriswhite 1.1.1.1 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 chriswhite 1.1.1.1 export ${var}=${prog}
29 vapier 1.1 echo "${!var}"
30     }
31    
32     # Returns the name of the archiver
33 chriswhite 1.1.1.1 tc-getAR() { tc-getPROG AR ar "$@"; }
34 vapier 1.1 # Returns the name of the assembler
35 chriswhite 1.1.1.1 tc-getAS() { tc-getPROG AS as "$@"; }
36 vapier 1.1 # Returns the name of the C compiler
37 chriswhite 1.1.1.1 tc-getCC() { tc-getPROG CC gcc "$@"; }
38 vapier 1.1 # Returns the name of the C++ compiler
39 chriswhite 1.1.1.1 tc-getCXX() { tc-getPROG CXX g++ "$@"; }
40 vapier 1.1 # Returns the name of the linker
41 chriswhite 1.1.1.1 tc-getLD() { tc-getPROG LD ld "$@"; }
42 vapier 1.1 # Returns the name of the symbol/object thingy
43 chriswhite 1.1.1.1 tc-getNM() { tc-getPROG NM nm "$@"; }
44 vapier 1.1 # Returns the name of the archiver indexer
45 chriswhite 1.1.1.1 tc-getRANLIB() { tc-getPROG RANLIB ranlib "$@"; }
46     # Returns the name of the fortran compiler
47     tc-getF77() { tc-getPROG F77 f77 "$@"; }
48     # Returns the name of the java compiler
49     tc-getGCJ() { tc-getPROG GCJ gcj "$@"; }
50    
51     # Returns the name of the C compiler for build
52     tc-getBUILD_CC() {
53     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 1.1
62 chriswhite 1.1.1.1 local search=
63     if [[ -n ${CBUILD} ]] ; then
64     search=$(type -p ${CBUILD}-gcc)
65     search=${search##*/}
66     fi
67     search=${search:-gcc}
68 vapier 1.1
69 chriswhite 1.1.1.1 export BUILD_CC=${search}
70     echo "${search}"
71     }
72    
73     # Quick way to export a bunch of vars at once
74     tc-export() {
75     local var
76     for var in "$@" ; do
77     eval tc-get${var} > /dev/null
78     done
79     }
80    
81     # A simple way to see if we're using a cross-compiler ...
82     tc-is-cross-compiler() {
83     return $([[ ${CBUILD:-${CHOST}} != ${CHOST} ]])
84     }
85    
86    
87     # Parse information from CBUILD/CHOST/CTARGET rather than
88     # use external variables from the profile.
89     tc-ninja_magic_to_arch() {
90     ninj() { [[ ${type} == "kern" ]] && echo $1 || echo $2 ; }
91    
92     local type=$1
93     local host=$2
94     [[ -z ${host} ]] && host=${CTARGET:-${CHOST}}
95    
96     case ${host} in
97     alpha*) echo alpha;;
98     arm*) echo arm;;
99     cris*) echo cris;;
100     hppa*) ninj parisc hppa;;
101     i?86*) ninj i386 x86;;
102     ia64*) echo ia64;;
103     m68*) echo m68k;;
104     mips*) echo mips;;
105     powerpc64*) echo ppc64;;
106     powerpc*) [[ ${PROFILE_ARCH} == "ppc64" ]] \
107     && ninj ppc64 ppc \
108     || echo ppc
109     ;;
110     s390*) echo s390;;
111     sh64*) ninj sh64 sh;;
112     sh*) echo sh;;
113     sparc64*) ninj sparc64 sparc;;
114     sparc*) [[ ${PROFILE_ARCH} == "sparc64" ]] \
115     && ninj sparc64 sparc \
116     || echo sparc
117     ;;
118     vax*) echo vax;;
119     x86_64*) ninj x86_64 amd64;;
120     *) echo ${ARCH};;
121     esac
122     }
123     tc-arch-kernel() {
124     tc-ninja_magic_to_arch kern $@
125     }
126     tc-arch() {
127     tc-ninja_magic_to_arch portage $@
128     }
129     tc-endian() {
130     local host=$1
131     [[ -z ${host} ]] && host=${CTARGET:-${CHOST}}
132     host=${host%%-*}
133    
134     case ${host} in
135     alpha*) echo big;;
136     arm*b*) echo big;;
137     arm*) echo little;;
138     cris*) echo little;;
139     hppa*) echo big;;
140     i?86*) echo little;;
141     ia64*) echo little;;
142     m68*) echo big;;
143     mips*l*) echo little;;
144     mips*) echo big;;
145     powerpc*) echo big;;
146     s390*) echo big;;
147     sh*b*) echo big;;
148     sh*) echo little;;
149     sparc*) echo big;;
150     x86_64*) echo little;;
151     *) echo wtf;;
152     esac
153     }
154 vapier 1.1
155     # Returns the version as by `$CC -dumpversion`
156     gcc-fullversion() {
157     echo "$($(tc-getCC) -dumpversion)"
158     }
159     # Returns the version, but only the <major>.<minor>
160     gcc-version() {
161 chriswhite 1.1.1.1 echo "$(gcc-fullversion | cut -f1,2 -d.)"
162 vapier 1.1 }
163     # Returns the Major version
164     gcc-major-version() {
165 chriswhite 1.1.1.1 echo "$(gcc-version | cut -f1 -d.)"
166 vapier 1.1 }
167     # Returns the Minor version
168     gcc-minor-version() {
169 chriswhite 1.1.1.1 echo "$(gcc-version | cut -f2 -d.)"
170 vapier 1.1 }
171     # Returns the Micro version
172     gcc-micro-version() {
173 chriswhite 1.1.1.1 echo "$(gcc-fullversion | cut -f3 -d. | cut -f1 -d-)"
174     }
175    
176     # Returns requested gcc specs directive
177     # Note; later specs normally overwrite earlier ones; however if a later
178     # spec starts with '+' then it appends.
179     # gcc -dumpspecs is parsed first, followed by files listed by "gcc -v"
180     # as "Reading <file>", in order.
181     gcc-specs-directive() {
182     local specfiles=$($(tc-getCC) -v 2>&1 | awk '$1=="Reading" {print $NF}')
183     $(tc-getCC) -dumpspecs 2> /dev/null | cat - ${specfiles} | awk -v directive=$1 \
184     'BEGIN { pspec=""; spec=""; outside=1 }
185     $1=="*"directive":" { pspec=spec; spec=""; outside=0; next }
186     outside || NF==0 || ( substr($1,1,1)=="*" && substr($1,length($1),1)==":" ) { outside=1; next }
187     spec=="" && substr($0,1,1)=="+" { spec=pspec " " substr($0,2); next }
188     { spec=spec $0 }
189     END { print spec }'
190     return 0
191     }
192    
193     # Returns true if gcc sets relro
194     gcc-specs-relro() {
195     local directive
196     directive=$(gcc-specs-directive link_command)
197     return $([[ ${directive/\{!norelro:} != ${directive} ]])
198     }
199     # Returns true if gcc sets now
200     gcc-specs-now() {
201     local directive
202     directive=$(gcc-specs-directive link_command)
203     return $([[ ${directive/\{!nonow:} != ${directive} ]])
204     }
205     # Returns true if gcc builds PIEs
206     gcc-specs-pie() {
207     local directive
208     directive=$(gcc-specs-directive cc1)
209     return $([[ ${directive/\{!nopie:} != ${directive} ]])
210     }
211     # Returns true if gcc builds with the stack protector
212     gcc-specs-ssp() {
213     local directive
214     directive=$(gcc-specs-directive cc1)
215     return $([[ ${directive/\{!fno-stack-protector:} != ${directive} ]])
216     }
217     # Returns true if gcc upgrades fstack-protector to fstack-protector-all
218     gcc-specs-ssp-to-all() {
219     local directive
220     directive=$(gcc-specs-directive cc1)
221     return $([[ ${directive/\{!fno-stack-protector-all:} != ${directive} ]])
222 vapier 1.1 }

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