/[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 1.7 2004/10/28 15:30:09 vapier Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/toolchain-funcs.eclass,v 1.40 2005/07/11 15:08:06 swegener 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 9
10inherit eutils 10inherit multilib
11 11
12ECLASS=toolchain-funcs
13INHERITED="$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 "${!var}"
24 return 0 21 return 0
25 fi 22 fi
26 23
27 # how should we handle the host/target/build ? 24 local search=
28 if [ -n "${CTARGET}" ] ; then 25 [[ -n $3 ]] && search=$(type -p "$3-${prog}")
29 search="$(type -p "${CTARGET}-${prog}")" 26 [[ -z ${search} && -n $(get_abi_CHOST) ]] && search=$(type -p "$(get_abi_CHOST)-${prog}")
30 else 27 [[ -z ${search} && -n ${CHOST} ]] && search=$(type -p "${CHOST}-${prog}")
31 if [ -n "${CHOST}" ] ; then 28 [[ -n ${search} ]] && prog=${search##*/}
32 search="$(type -p "${CHOST}-${prog}")"
33 fi
34 fi
35 29
36 if [ -n "${search}" ] ; then
37 prog="${search##*/}"
38 fi
39 export ${var}="${prog}" 30 export ${var}=${prog}
40 echo "${!var}" 31 echo "${!var}"
41} 32}
42 33
43# Returns the name of the archiver 34# Returns the name of the archiver
44tc-getAR() { tc-getPROG AR ar; } 35tc-getAR() { tc-getPROG AR ar "$@"; }
45# Returns the name of the assembler 36# Returns the name of the assembler
46tc-getAS() { tc-getPROG AS as; } 37tc-getAS() { tc-getPROG AS as "$@"; }
47# Returns the name of the C compiler 38# Returns the name of the C compiler
48tc-getCC() { tc-getPROG CC gcc; } 39tc-getCC() { tc-getPROG CC gcc "$@"; }
49# Returns the name of the C++ compiler 40# Returns the name of the C++ compiler
50tc-getCXX() { tc-getPROG CXX g++; } 41tc-getCXX() { tc-getPROG CXX g++ "$@"; }
51# Returns the name of the linker 42# Returns the name of the linker
52tc-getLD() { tc-getPROG LD ld; } 43tc-getLD() { tc-getPROG LD ld "$@"; }
53# Returns the name of the symbol/object thingy 44# Returns the name of the symbol/object thingy
54tc-getNM() { tc-getPROG NM nm; } 45tc-getNM() { tc-getPROG NM nm "$@"; }
55# Returns the name of the archiver indexer 46# Returns the name of the archiver indexer
56tc-getRANLIB() { tc-getPROG RANLIB ranlib; } 47tc-getRANLIB() { tc-getPROG RANLIB ranlib "$@"; }
57# Returns the name of the fortran compiler 48# Returns the name of the fortran compiler
58tc-getF77() { tc-getPROG F77 f77; } 49tc-getF77() { tc-getPROG F77 f77 "$@"; }
50# Returns the name of the java compiler
51tc-getGCJ() { tc-getPROG GCJ gcj "$@"; }
59 52
60# Returns the name of the C compiler for build 53# Returns the name of the C compiler for build
61tc-getBUILD_CC() { 54tc-getBUILD_CC() {
62 if [ -n "${CC_FOR_BUILD}" ] ; then 55 if [[ -n ${CC_FOR_BUILD} ]] ; then
56 export BUILD_CC=${CC_FOR_BUILD}
63 echo "${CC_FOR_BUILD}" 57 echo "${CC_FOR_BUILD}"
64 return 0 58 return 0
65 fi 59 fi
66 60
61 local search=
67 if [ -n "${CBUILD}" ] ; then 62 if [[ -n ${CBUILD} ]] ; then
68 local cc="$(type -p "${CBUILD}-gcc")" 63 search=$(type -p ${CBUILD}-gcc)
69 if [ -n "${cc}" ] ; then 64 search=${search##*/}
70 echo "${cc}" 65 else
71 fi 66 search=gcc
72 fi 67 fi
73 68
74 echo "gcc" 69 export BUILD_CC=${search}
70 echo "${search}"
75} 71}
76 72
73# Quick way to export a bunch of vars at once
74tc-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 ...
82tc-is-cross-compiler() {
83 if [[ -n ${CBUILD} ]] ; then
84 return $([[ ${CBUILD} != ${CHOST} ]])
85 fi
86 return 1
87}
88
89
90# Parse information from CBUILD/CHOST/CTARGET rather than
91# use external variables from the profile.
92tc-ninja_magic_to_arch() {
93ninj() { [[ ${type} == "kern" ]] && echo $1 || echo $2 ; }
94
95 local type=$1
96 local host=$2
97 [[ -z ${host} ]] && host=${CTARGET:-${CHOST}}
98
99 case ${host} in
100 alpha*) echo alpha;;
101 x86_64*) ninj x86_64 amd64;;
102 arm*) echo arm;;
103 hppa*) ninj parisc hppa;;
104 ia64*) echo ia64;;
105 m68*) echo m68k;;
106 mips*) echo mips;;
107 powerpc64*) echo ppc64;;
108 powerpc*) [[ ${PROFILE_ARCH} == "ppc64" ]] \
109 && ninj ppc64 ppc \
110 || echo ppc
111 ;;
112 sparc64*) ninj sparc64 sparc;;
113 sparc*) [[ ${PROFILE_ARCH} == "sparc64" ]] \
114 && ninj sparc64 sparc \
115 || echo sparc
116 ;;
117 s390*) echo s390;;
118 sh64*) ninj sh64 sh;;
119 sh*) echo sh;;
120 i?86*) ninj i386 x86;;
121 *) echo ${ARCH};;
122 esac
123}
124tc-arch-kernel() {
125 tc-ninja_magic_to_arch kern $@
126}
127tc-arch() {
128 tc-ninja_magic_to_arch portage $@
129}
130tc-endian() {
131 local host=$1
132 [[ -z ${host} ]] && host=${CTARGET:-${CHOST}}
133 host=${host%%-*}
134
135 case ${host} in
136 alpha*) echo big;;
137 x86_64*) echo little;;
138 arm*b*) echo big;;
139 arm*) echo little;;
140 hppa*) echo big;;
141 ia64*) echo little;;
142 m68*) echo big;;
143 mips*l*) echo little;;
144 mips*) echo big;;
145 powerpc*) echo big;;
146 sparc*) echo big;;
147 s390*) echo big;;
148 sh*b*) echo big;;
149 sh*) echo little;;
150 i?86*) echo little;;
151 *) echo wtf;;
152 esac
153}
77 154
78# Returns the version as by `$CC -dumpversion` 155# Returns the version as by `$CC -dumpversion`
79gcc-fullversion() { 156gcc-fullversion() {
80 echo "$($(tc-getCC) -dumpversion)" 157 echo "$($(tc-getCC) -dumpversion)"
81} 158}
91gcc-minor-version() { 168gcc-minor-version() {
92 echo "$(gcc-version | cut -f2 -d.)" 169 echo "$(gcc-version | cut -f2 -d.)"
93} 170}
94# Returns the Micro version 171# Returns the Micro version
95gcc-micro-version() { 172gcc-micro-version() {
96 echo "$(gcc-fullversion | cut -f3 -d.)" 173 echo "$(gcc-fullversion | cut -f3 -d. | cut -f1 -d-)"
97} 174}

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