/[gentoo-x86]/eclass/toolchain-funcs.eclass
Gentoo

Contents of /eclass/toolchain-funcs.eclass

Parent Directory Parent Directory | Revision Log Revision Log


Revision 1.58 - (hide annotations) (download)
Sun Apr 2 10:10:59 2006 UTC (8 years, 3 months ago) by robbat2
Branch: MAIN
Changes since 1.57: +3 -1 lines
Add function to get CPP.

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 robbat2 1.58 # $Header: /var/cvsroot/gentoo-x86/eclass/toolchain-funcs.eclass,v 1.57 2006/03/28 21:25:14 kevquinn 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 robbat2 1.58 # Returns the name of the C preprocessor
39     tc-getCPP() { tc-getPROG CPP cpp "$@"; }
40 vapier 1.1 # Returns the name of the C++ compiler
41 vapier 1.33 tc-getCXX() { tc-getPROG CXX g++ "$@"; }
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 1.43 local v
56     for v in CC_FOR_BUILD BUILD_CC HOSTCC ; do
57     if [[ -n ${!v} ]] ; then
58     export BUILD_CC=${!v}
59     echo "${!v}"
60     return 0
61     fi
62     done
63 vapier 1.4
64 vapier 1.9 local search=
65 vapier 1.17 if [[ -n ${CBUILD} ]] ; then
66 vapier 1.21 search=$(type -p ${CBUILD}-gcc)
67 vapier 1.17 search=${search##*/}
68 vapier 1.9 fi
69 vapier 1.45 search=${search:-gcc}
70 vapier 1.11
71 vapier 1.17 export BUILD_CC=${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     arm*) echo arm;;
101 vapier 1.53 bfin*) ninj blackfin bfin;;
102 vapier 1.47 cris*) echo cris;;
103 vapier 1.19 hppa*) ninj parisc hppa;;
104 vapier 1.47 i?86*) ninj i386 x86;;
105 vapier 1.19 ia64*) echo ia64;;
106 vapier 1.23 m68*) echo m68k;;
107 vapier 1.19 mips*) echo mips;;
108 vapier 1.52 nios2*) echo nios2;;
109     nios*) echo nios;;
110 vapier 1.49 powerpc*)
111     # Starting with linux-2.6.15, the 'ppc' and 'ppc64' trees
112 josejx 1.54 # have been unified into simply 'powerpc', but until 2.6.16,
113     # ppc32 is still using ARCH="ppc" as default
114     if [[ $(KV_to_int ${KV}) -ge $(KV_to_int 2.6.16) ]] && [[ ${type} == "kern" ]] ; then
115 vapier 1.49 echo powerpc
116 josejx 1.54 elif [[ $(KV_to_int ${KV}) -eq $(KV_to_int 2.6.15) ]] && [[ ${type} == "kern" ]] ; then
117 dostrow 1.55 if [[ ${host} == powerpc64* ]] || [[ ${PROFILE_ARCH} == "ppc64" ]] ; then
118 josejx 1.54 echo powerpc
119     else
120     echo ppc
121 swegener 1.56 fi
122 vapier 1.49 elif [[ ${host} == powerpc64* ]] ; then
123     echo ppc64
124 dostrow 1.51 elif [[ ${PROFILE_ARCH} == "ppc64" ]] ; then
125     ninj ppc64 ppc
126 vapier 1.49 else
127     echo ppc
128     fi
129 dostrow 1.37 ;;
130 vapier 1.47 s390*) echo s390;;
131     sh64*) ninj sh64 sh;;
132     sh*) echo sh;;
133 vapier 1.19 sparc64*) ninj sparc64 sparc;;
134 vapier 1.28 sparc*) [[ ${PROFILE_ARCH} == "sparc64" ]] \
135     && ninj sparc64 sparc \
136     || echo sparc
137     ;;
138 vapier 1.47 vax*) echo vax;;
139     x86_64*) ninj x86_64 amd64;;
140 vapier 1.28 *) echo ${ARCH};;
141 vapier 1.19 esac
142     }
143 vapier 1.20 tc-arch-kernel() {
144     tc-ninja_magic_to_arch kern $@
145 vapier 1.19 }
146 vapier 1.20 tc-arch() {
147     tc-ninja_magic_to_arch portage $@
148 vapier 1.19 }
149 vapier 1.20 tc-endian() {
150     local host=$1
151 vapier 1.29 [[ -z ${host} ]] && host=${CTARGET:-${CHOST}}
152 vapier 1.31 host=${host%%-*}
153 vapier 1.19
154 vapier 1.20 case ${host} in
155     alpha*) echo big;;
156 vapier 1.31 arm*b*) echo big;;
157 vapier 1.20 arm*) echo little;;
158 vapier 1.47 cris*) echo little;;
159 vapier 1.20 hppa*) echo big;;
160 vapier 1.47 i?86*) echo little;;
161 vapier 1.20 ia64*) echo little;;
162 vapier 1.23 m68*) echo big;;
163 vapier 1.31 mips*l*) echo little;;
164 vapier 1.20 mips*) echo big;;
165     powerpc*) echo big;;
166     s390*) echo big;;
167 vapier 1.31 sh*b*) echo big;;
168     sh*) echo little;;
169 vapier 1.47 sparc*) echo big;;
170     x86_64*) echo little;;
171 vapier 1.20 *) echo wtf;;
172     esac
173     }
174 vapier 1.19
175 vapier 1.1 # Returns the version as by `$CC -dumpversion`
176     gcc-fullversion() {
177     echo "$($(tc-getCC) -dumpversion)"
178     }
179     # Returns the version, but only the <major>.<minor>
180     gcc-version() {
181 vapier 1.2 echo "$(gcc-fullversion | cut -f1,2 -d.)"
182 vapier 1.1 }
183     # Returns the Major version
184     gcc-major-version() {
185 vapier 1.2 echo "$(gcc-version | cut -f1 -d.)"
186 vapier 1.1 }
187     # Returns the Minor version
188     gcc-minor-version() {
189 vapier 1.2 echo "$(gcc-version | cut -f2 -d.)"
190 vapier 1.1 }
191     # Returns the Micro version
192     gcc-micro-version() {
193 eradicator 1.30 echo "$(gcc-fullversion | cut -f3 -d. | cut -f1 -d-)"
194 vapier 1.1 }
195 kevquinn 1.41
196     # Returns requested gcc specs directive
197 kevquinn 1.46 # Note; later specs normally overwrite earlier ones; however if a later
198     # spec starts with '+' then it appends.
199     # gcc -dumpspecs is parsed first, followed by files listed by "gcc -v"
200     # as "Reading <file>", in order.
201 kevquinn 1.41 gcc-specs-directive() {
202 kevquinn 1.57 local cc=$(tc-getCC)
203     local specfiles=$(LC_ALL=C ${cc} -v 2>&1 | awk '$1=="Reading" {print $NF}')
204     ${cc} -dumpspecs 2> /dev/null | cat - ${specfiles} | awk -v directive=$1 \
205 kevquinn 1.46 'BEGIN { pspec=""; spec=""; outside=1 }
206     $1=="*"directive":" { pspec=spec; spec=""; outside=0; next }
207 kevquinn 1.41 outside || NF==0 || ( substr($1,1,1)=="*" && substr($1,length($1),1)==":" ) { outside=1; next }
208 kevquinn 1.46 spec=="" && substr($0,1,1)=="+" { spec=pspec " " substr($0,2); next }
209     { spec=spec $0 }
210     END { print spec }'
211     return 0
212 kevquinn 1.41 }
213    
214     # Returns true if gcc sets relro
215     gcc-specs-relro() {
216     local directive
217     directive=$(gcc-specs-directive link_command)
218     return $([[ ${directive/\{!norelro:} != ${directive} ]])
219     }
220     # Returns true if gcc sets now
221     gcc-specs-now() {
222     local directive
223     directive=$(gcc-specs-directive link_command)
224     return $([[ ${directive/\{!nonow:} != ${directive} ]])
225     }
226     # Returns true if gcc builds PIEs
227     gcc-specs-pie() {
228     local directive
229     directive=$(gcc-specs-directive cc1)
230     return $([[ ${directive/\{!nopie:} != ${directive} ]])
231     }
232     # Returns true if gcc builds with the stack protector
233     gcc-specs-ssp() {
234     local directive
235     directive=$(gcc-specs-directive cc1)
236     return $([[ ${directive/\{!fno-stack-protector:} != ${directive} ]])
237     }
238 kevquinn 1.46 # Returns true if gcc upgrades fstack-protector to fstack-protector-all
239     gcc-specs-ssp-to-all() {
240     local directive
241     directive=$(gcc-specs-directive cc1)
242     return $([[ ${directive/\{!fno-stack-protector-all:} != ${directive} ]])
243     }

  ViewVC Help
Powered by ViewVC 1.1.20