/[gentoo-x86]/eclass/toolchain-funcs.eclass
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Revision 1.36 - (show annotations) (download)
Mon May 2 22:42:59 2005 UTC (9 years, 2 months ago) by vapier
Branch: MAIN
Changes since 1.35: +2 -2 lines
dont echo variables when exporting anymore

1 # Copyright 1999-2005 Gentoo Foundation
2 # Distributed under the terms of the GNU General Public License v2
3 # $Header: /var/cvsroot/gentoo-x86/eclass/toolchain-funcs.eclass,v 1.35 2005/03/11 02:03:55 eradicator Exp $
4 #
5 # Author: Toolchain Ninjas <ninjas@gentoo.org>
6 #
7 # This eclass contains (or should) functions to get common info
8 # about the toolchain (libc/compiler/binutils/etc...)
9
10 inherit multilib
11
12 ECLASS=toolchain-funcs
13 INHERITED="$INHERITED $ECLASS"
14
15 DESCRIPTION="Based on the ${ECLASS} eclass"
16
17 tc-getPROG() {
18 local var=$1
19 local prog=$2
20
21 if [[ -n ${!var} ]] ; then
22 echo "${!var}"
23 return 0
24 fi
25
26 local search=
27 [[ -n $3 ]] && search=$(type -p "$3-${prog}")
28 [[ -z ${search} && -n $(get_abi_CHOST) ]] && search=$(type -p "$(get_abi_CHOST)-${prog}")
29 [[ -z ${search} && -n ${CHOST} ]] && search=$(type -p "${CHOST}-${prog}")
30 [[ -n ${search} ]] && prog=${search##*/}
31
32 export ${var}=${prog}
33 echo "${!var}"
34 }
35
36 # Returns the name of the archiver
37 tc-getAR() { tc-getPROG AR ar "$@"; }
38 # Returns the name of the assembler
39 tc-getAS() { tc-getPROG AS as "$@"; }
40 # Returns the name of the C compiler
41 tc-getCC() { tc-getPROG CC gcc "$@"; }
42 # Returns the name of the C++ compiler
43 tc-getCXX() { tc-getPROG CXX g++ "$@"; }
44 # Returns the name of the linker
45 tc-getLD() { tc-getPROG LD ld "$@"; }
46 # Returns the name of the symbol/object thingy
47 tc-getNM() { tc-getPROG NM nm "$@"; }
48 # Returns the name of the archiver indexer
49 tc-getRANLIB() { tc-getPROG RANLIB ranlib "$@"; }
50 # Returns the name of the fortran compiler
51 tc-getF77() { tc-getPROG F77 f77 "$@"; }
52 # Returns the name of the java compiler
53 tc-getGCJ() { tc-getPROG GCJ gcj "$@"; }
54
55 # Returns the name of the C compiler for build
56 tc-getBUILD_CC() {
57 if [[ -n ${CC_FOR_BUILD} ]] ; then
58 export BUILD_CC=${CC_FOR_BUILD}
59 echo "${CC_FOR_BUILD}"
60 return 0
61 fi
62
63 local search=
64 if [[ -n ${CBUILD} ]] ; then
65 search=$(type -p ${CBUILD}-gcc)
66 search=${search##*/}
67 else
68 search=gcc
69 fi
70
71 export BUILD_CC=${search}
72 echo "${search}"
73 }
74
75 # Quick way to export a bunch of vars at once
76 tc-export() {
77 local var
78 for var in "$@" ; do
79 eval tc-get${var} > /dev/null
80 done
81 }
82
83 # A simple way to see if we're using a cross-compiler ...
84 tc-is-cross-compiler() {
85 if [[ -n ${CBUILD} ]] ; then
86 return $([[ ${CBUILD} != ${CHOST} ]])
87 fi
88 return 1
89 }
90
91
92 # Parse information from CBUILD/CHOST/CTARGET rather than
93 # use external variables from the profile.
94 tc-ninja_magic_to_arch() {
95 ninj() { [[ ${type} == "kern" ]] && echo $1 || echo $2 ; }
96
97 local type=$1
98 local host=$2
99 [[ -z ${host} ]] && host=${CTARGET:-${CHOST}}
100
101 case ${host} in
102 alpha*) echo alpha;;
103 x86_64*) ninj x86_64 amd64;;
104 arm*) echo arm;;
105 hppa*) ninj parisc hppa;;
106 ia64*) echo ia64;;
107 m68*) echo m68k;;
108 mips*) echo mips;;
109 powerpc64*) echo ppc64;;
110 powerpc*) echo ppc;;
111 sparc64*) ninj sparc64 sparc;;
112 sparc*) [[ ${PROFILE_ARCH} == "sparc64" ]] \
113 && ninj sparc64 sparc \
114 || echo sparc
115 ;;
116 s390*) echo s390;;
117 sh64*) ninj sh64 sh;;
118 sh*) echo sh;;
119 i?86*) ninj i386 x86;;
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 ${host} in
135 alpha*) echo big;;
136 x86_64*) echo little;;
137 arm*b*) echo big;;
138 arm*) echo little;;
139 hppa*) echo big;;
140 ia64*) echo little;;
141 m68*) echo big;;
142 mips*l*) echo little;;
143 mips*) echo big;;
144 powerpc*) echo big;;
145 sparc*) echo big;;
146 s390*) echo big;;
147 sh*b*) echo big;;
148 sh*) echo little;;
149 i?86*) echo little;;
150 *) echo wtf;;
151 esac
152 }
153
154 # Returns the version as by `$CC -dumpversion`
155 gcc-fullversion() {
156 echo "$($(tc-getCC) -dumpversion)"
157 }
158 # Returns the version, but only the <major>.<minor>
159 gcc-version() {
160 echo "$(gcc-fullversion | cut -f1,2 -d.)"
161 }
162 # Returns the Major version
163 gcc-major-version() {
164 echo "$(gcc-version | cut -f1 -d.)"
165 }
166 # Returns the Minor version
167 gcc-minor-version() {
168 echo "$(gcc-version | cut -f2 -d.)"
169 }
170 # Returns the Micro version
171 gcc-micro-version() {
172 echo "$(gcc-fullversion | cut -f3 -d. | cut -f1 -d-)"
173 }

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