/[gentoo-x86]/eclass/toolchain-funcs.eclass
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1# Copyright 1999-2004 Gentoo Foundation 1# Copyright 1999-2005 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 1.9 2004/11/17 22:13:07 vapier Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/toolchain-funcs.eclass,v 1.32 2005/03/04 12:37:55 eradicator 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...)
9
10inherit eutils
11 9
12ECLASS=toolchain-funcs 10ECLASS=toolchain-funcs
13INHERITED="$INHERITED $ECLASS" 11INHERITED="$INHERITED $ECLASS"
14 12
15DESCRIPTION="Based on the ${ECLASS} eclass" 13DESCRIPTION="Based on the ${ECLASS} eclass"
16 14
17tc-getPROG() { 15tc-getPROG() {
18 local var="$1" 16 local var=${1}
19 local prog="$2" 17 local prog=${2}
20 local search=""
21 18
22 if [ -n "${!var}" ] ; then 19 if [[ -n ${!var} ]] ; then
23 echo "${!var}" 20 echo "${!var}"
24 return 0 21 return 0
25 fi 22 fi
26 23
27 if [ -n "${CTARGET}" ] ; then 24 if [[ -n ${3} ]] ; then
28 search="$(type -p "${CTARGET}-${prog}")" 25 local search=$(type -p "${3}-${prog}")
26 [[ -n ${search} ]] && prog=${search##*/}
29 elif [ -n "${CHOST}" ] ; then 27 elif [[ -n ${CHOST} ]] ; then
30 search="$(type -p "${CHOST}-${prog}")" 28 local search=$(type -p "${CHOST}-${prog}")
29 [[ -n ${search} ]] && prog=${search##*/}
31 fi 30 fi
32 31
33 if [ -n "${search}" ] ; then
34 prog="${search##*/}"
35 fi
36 export ${var}="${prog}" 32 export ${var}=${prog}
37 echo "${!var}" 33 echo "${!var}"
38} 34}
39 35
40# Returns the name of the archiver 36# Returns the name of the archiver
41tc-getAR() { tc-getPROG AR ar; } 37tc-getAR() { tc-getPROG AR ar "${@}"; }
42# Returns the name of the assembler 38# Returns the name of the assembler
43tc-getAS() { tc-getPROG AS as; } 39tc-getAS() { tc-getPROG AS as "${@}"; }
44# Returns the name of the C compiler 40# Returns the name of the C compiler
45tc-getCC() { tc-getPROG CC gcc; } 41tc-getCC() { tc-getPROG CC gcc "${@}"; }
46# Returns the name of the C++ compiler 42# Returns the name of the C++ compiler
47tc-getCXX() { tc-getPROG CXX g++; } 43tc-getCXX() { tc-getPROG CXX g++ "${@}"; }
48# Returns the name of the linker 44# Returns the name of the linker
49tc-getLD() { tc-getPROG LD ld; } 45tc-getLD() { tc-getPROG LD ld "${@}"; }
50# Returns the name of the symbol/object thingy 46# Returns the name of the symbol/object thingy
51tc-getNM() { tc-getPROG NM nm; } 47tc-getNM() { tc-getPROG NM nm "${@}"; }
52# Returns the name of the archiver indexer 48# Returns the name of the archiver indexer
53tc-getRANLIB() { tc-getPROG RANLIB ranlib; } 49tc-getRANLIB() { tc-getPROG RANLIB ranlib "${@}"; }
54# Returns the name of the fortran compiler 50# Returns the name of the fortran compiler
55tc-getF77() { tc-getPROG F77 f77; } 51tc-getF77() { tc-getPROG F77 f77 "${@}"; }
56# Returns the name of the java compiler 52# Returns the name of the java compiler
57tc-getGCJ() { tc-getPROG GCJ gcj; } 53tc-getGCJ() { tc-getPROG GCJ gcj "${@}"; }
58 54
59# Returns the name of the C compiler for build 55# Returns the name of the C compiler for build
60tc-getBUILD_CC() { 56tc-getBUILD_CC() {
61 if [ -n "${CC_FOR_BUILD}" ] ; then 57 if [[ -n ${CC_FOR_BUILD} ]] ; then
58 export BUILD_CC=${CC_FOR_BUILD}
62 echo "${CC_FOR_BUILD}" 59 echo "${CC_FOR_BUILD}"
63 return 0 60 return 0
64 fi 61 fi
65 62
66 local search= 63 local search=
67 if [ -n "${CTARGET}" ] ; then 64 if [[ -n ${CBUILD} ]] ; then
68 search="$(type -p "${CTARGET}-gcc")"
69 elif [ -n "${CHOST}" ] ; then
70 search="$(type -p "${CHOST}-gcc")" 65 search=$(type -p ${CBUILD}-gcc)
66 search=${search##*/}
67 else
68 search=gcc
71 fi 69 fi
72 70
73 if [ -n "${search}" ] ; then 71 export BUILD_CC=${search}
74 echo "${search##*/}" 72 echo "${search}"
75 else
76 echo "gcc"
77 fi
78} 73}
79 74
75# Quick way to export a bunch of vars at once
76tc-export() {
77 local var
78 for var in "$@" ; do
79 eval tc-get${var}
80 done
81}
82
83# A simple way to see if we're using a cross-compiler ...
84tc-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.
94tc-ninja_magic_to_arch() {
95ninj() { [[ ${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}
123tc-arch-kernel() {
124 tc-ninja_magic_to_arch kern $@
125}
126tc-arch() {
127 tc-ninja_magic_to_arch portage $@
128}
129tc-endian() {
130 local host=$1
131 [[ -z ${host} ]] && host=${CTARGET:-${CHOST}}
132 host=${host%%-*}
133
134 case ${host} in
135 alpha*) echo big;;
136 x86_64*) echo little;;
137 arm*b*) echo big;;
138 arm*) echo little;;
139 hppa*) echo big;;
140 ia64*) echo little;;
141 m68*) echo big;;
142 mips*l*) echo little;;
143 mips*) echo big;;
144 powerpc*) echo big;;
145 sparc*) echo big;;
146 s390*) echo big;;
147 sh*b*) echo big;;
148 sh*) echo little;;
149 i?86*) echo little;;
150 *) echo wtf;;
151 esac
152}
80 153
81# Returns the version as by `$CC -dumpversion` 154# Returns the version as by `$CC -dumpversion`
82gcc-fullversion() { 155gcc-fullversion() {
83 echo "$($(tc-getCC) -dumpversion)" 156 echo "$($(tc-getCC) -dumpversion)"
84} 157}
94gcc-minor-version() { 167gcc-minor-version() {
95 echo "$(gcc-version | cut -f2 -d.)" 168 echo "$(gcc-version | cut -f2 -d.)"
96} 169}
97# Returns the Micro version 170# Returns the Micro version
98gcc-micro-version() { 171gcc-micro-version() {
99 echo "$(gcc-fullversion | cut -f3 -d.)" 172 echo "$(gcc-fullversion | cut -f3 -d. | cut -f1 -d-)"
100} 173}

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