/[gentoo-x86]/eclass/toolchain-funcs.eclass
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1# Copyright 1999-2004 Gentoo Foundation 1# Copyright 1999-2004 Gentoo Foundation
2# Distributed under the terms of the GNU General Public License v2 2# Distributed under the terms of the GNU General Public License v2
3# $Header: /var/cvsroot/gentoo-x86/eclass/toolchain-funcs.eclass,v 1.7 2004/10/28 15:30:09 vapier Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/toolchain-funcs.eclass,v 1.20 2005/01/11 01:07:49 vapier Exp $
4# 4#
5# Author: Toolchain Ninjas <ninjas@gentoo.org> 5# Author: Toolchain Ninjas <ninjas@gentoo.org>
6# 6#
7# This eclass contains (or should) functions to get common info 7# This eclass contains (or should) functions to get common info
8# about the toolchain (libc/compiler/binutils/etc...) 8# about the toolchain (libc/compiler/binutils/etc...)
13INHERITED="$INHERITED $ECLASS" 13INHERITED="$INHERITED $ECLASS"
14 14
15DESCRIPTION="Based on the ${ECLASS} eclass" 15DESCRIPTION="Based on the ${ECLASS} eclass"
16 16
17tc-getPROG() { 17tc-getPROG() {
18 local var="$1" 18 local var=$1
19 local prog="$2" 19 local prog=$2
20 local search=""
21 20
22 if [ -n "${!var}" ] ; then 21 if [[ -n ${!var} ]] ; then
23 echo "${!var}" 22 echo "${!var}"
24 return 0 23 return 0
25 fi 24 fi
26 25
27 # how should we handle the host/target/build ?
28 if [ -n "${CTARGET}" ] ; then
29 search="$(type -p "${CTARGET}-${prog}")"
30 else
31 if [ -n "${CHOST}" ] ; then 26 if [[ -n ${CHOST} ]] ; then
32 search="$(type -p "${CHOST}-${prog}")" 27 local search=$(type -p "${CHOST}-${prog}")
33 fi 28 [[ -n ${search} ]] && prog=${search##*/}
34 fi 29 fi
35 30
36 if [ -n "${search}" ] ; then
37 prog="${search##*/}"
38 fi
39 export ${var}="${prog}" 31 export ${var}=${prog}
40 echo "${!var}" 32 echo "${!var}"
41} 33}
42 34
43# Returns the name of the archiver 35# Returns the name of the archiver
44tc-getAR() { tc-getPROG AR ar; } 36tc-getAR() { tc-getPROG AR ar; }
54tc-getNM() { tc-getPROG NM nm; } 46tc-getNM() { tc-getPROG NM nm; }
55# Returns the name of the archiver indexer 47# Returns the name of the archiver indexer
56tc-getRANLIB() { tc-getPROG RANLIB ranlib; } 48tc-getRANLIB() { tc-getPROG RANLIB ranlib; }
57# Returns the name of the fortran compiler 49# Returns the name of the fortran compiler
58tc-getF77() { tc-getPROG F77 f77; } 50tc-getF77() { tc-getPROG F77 f77; }
51# Returns the name of the java compiler
52tc-getGCJ() { tc-getPROG GCJ gcj; }
59 53
60# Returns the name of the C compiler for build 54# Returns the name of the C compiler for build
61tc-getBUILD_CC() { 55tc-getBUILD_CC() {
62 if [ -n "${CC_FOR_BUILD}" ] ; then 56 if [[ -n ${CC_FOR_BUILD} ]] ; then
57 export BUILD_CC=${CC_FOR_BUILD}
63 echo "${CC_FOR_BUILD}" 58 echo "${CC_FOR_BUILD}"
64 return 0 59 return 0
65 fi 60 fi
66 61
62 local search=
67 if [ -n "${CBUILD}" ] ; then 63 if [[ -n ${CBUILD} ]] ; then
68 local cc="$(type -p "${CBUILD}-gcc")" 64 search=$(type -p "${CBUILD}-gcc")
69 if [ -n "${cc}" ] ; then 65 search=${search##*/}
70 echo "${cc}" 66 else
71 fi 67 search=gcc
72 fi 68 fi
73 69
74 echo "gcc" 70 export BUILD_CC=${search}
71 echo "${search}"
75} 72}
76 73
74# Quick way to export a bunch of vars at once
75tc-export() {
76 local var
77 for var in "$@" ; do
78 eval tc-get${var}
79 done
80}
81
82# A simple way to see if we're using a cross-compiler ...
83tc-is-cross-compiler() {
84 if [[ -n ${CBUILD} ]] ; then
85 return $([[ ${CBUILD} != ${CHOST} ]])
86 fi
87 return 1
88}
89
90
91# Parse information from CBUILD/CHOST/CTARGET rather than
92# use external variables from the profile.
93tc-ninja_magic_to_arch() {
94ninj() { [[ ${type} = "kern" ]] && echo $1 || echo $2 ; }
95
96 local type=$1
97 local host=$2
98 [[ -z ${host} ]] && arg=${CHOST}
99
100 case ${host} in
101 alpha*) echo alpha;;
102 x86_64*) ninj x86_64 amd64;;
103 arm*) echo arm;;
104 hppa*) ninj parisc hppa;;
105 ia64*) echo ia64;;
106 mips*) echo mips;;
107 powerpc64*) echo ppc64;;
108 powerpc*) echo ppc;;
109 sparc64*) ninj sparc64 sparc;;
110 sparc*) echo sparc;;
111 s390*) echo s390;;
112 sh64*) ninj sh64 sh;;
113 sh*) echo sh;;
114 i?86*) echo x86;;
115 *) echo wtf;;
116 esac
117}
118tc-arch-kernel() {
119 tc-ninja_magic_to_arch kern $@
120}
121tc-arch() {
122 tc-ninja_magic_to_arch portage $@
123}
124tc-endian() {
125 local host=$1
126 [[ -z ${host} ]] && host=${CHOST}
127
128 case ${host} in
129 alpha*) echo big;;
130 x86_64*) echo little;;
131 arm*eb-*) echo big;;
132 arm*) echo little;;
133 hppa*) echo big;;
134 ia64*) echo little;;
135 m68k*) echo big;;
136 mips*el-*) echo little;;
137 mips*) echo big;;
138 powerpc*) echo big;;
139 sparc*) echo big;;
140 s390*) echo big;;
141 sh*el-) echo little;;
142 sh*) echo big;;
143 i?86*) echo little;;
144 *) echo wtf;;
145 esac
146}
77 147
78# Returns the version as by `$CC -dumpversion` 148# Returns the version as by `$CC -dumpversion`
79gcc-fullversion() { 149gcc-fullversion() {
80 echo "$($(tc-getCC) -dumpversion)" 150 echo "$($(tc-getCC) -dumpversion)"
81} 151}

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