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# Copyright 1999-2005 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/eclass/toolchain-funcs.eclass,v 1.39 2005/07/06 20:23:20 agriffis Exp $
#
# Author: Toolchain Ninjas <ninjas@gentoo.org>
#
# This eclass contains (or should) functions to get common info
# about the toolchain (libc/compiler/binutils/etc...)
inherit multilib
DESCRIPTION="Based on the ${ECLASS} eclass"
tc-getPROG() {
local var=$1
local prog=$2
if [[ -n ${!var} ]] ; then
echo "${!var}"
return 0
fi
local search=
[[ -n $3 ]] && search=$(type -p "$3-${prog}")
[[ -z ${search} && -n $(get_abi_CHOST) ]] && search=$(type -p "$(get_abi_CHOST)-${prog}")
[[ -z ${search} && -n ${CHOST} ]] && search=$(type -p "${CHOST}-${prog}")
[[ -n ${search} ]] && prog=${search##*/}
export ${var}=${prog}
echo "${!var}"
}
# Returns the name of the archiver
tc-getAR() { tc-getPROG AR ar "$@"; }
# Returns the name of the assembler
tc-getAS() { tc-getPROG AS as "$@"; }
# Returns the name of the C compiler
tc-getCC() { tc-getPROG CC gcc "$@"; }
# Returns the name of the C++ compiler
tc-getCXX() { tc-getPROG CXX g++ "$@"; }
# Returns the name of the linker
tc-getLD() { tc-getPROG LD ld "$@"; }
# Returns the name of the symbol/object thingy
tc-getNM() { tc-getPROG NM nm "$@"; }
# Returns the name of the archiver indexer
tc-getRANLIB() { tc-getPROG RANLIB ranlib "$@"; }
# Returns the name of the fortran compiler
tc-getF77() { tc-getPROG F77 f77 "$@"; }
# Returns the name of the java compiler
tc-getGCJ() { tc-getPROG GCJ gcj "$@"; }
# Returns the name of the C compiler for build
tc-getBUILD_CC() {
if [[ -n ${CC_FOR_BUILD} ]] ; then
export BUILD_CC=${CC_FOR_BUILD}
echo "${CC_FOR_BUILD}"
return 0
fi
local search=
if [[ -n ${CBUILD} ]] ; then
search=$(type -p ${CBUILD}-gcc)
search=${search##*/}
else
search=gcc
fi
export BUILD_CC=${search}
echo "${search}"
}
# Quick way to export a bunch of vars at once
tc-export() {
local var
for var in "$@" ; do
eval tc-get${var} > /dev/null
done
}
# A simple way to see if we're using a cross-compiler ...
tc-is-cross-compiler() {
if [[ -n ${CBUILD} ]] ; then
return $([[ ${CBUILD} != ${CHOST} ]])
fi
return 1
}
# Parse information from CBUILD/CHOST/CTARGET rather than
# use external variables from the profile.
tc-ninja_magic_to_arch() {
ninj() { [[ ${type} == "kern" ]] && echo $1 || echo $2 ; }
local type=$1
local host=$2
[[ -z ${host} ]] && host=${CTARGET:-${CHOST}}
case ${host} in
alpha*) echo alpha;;
x86_64*) ninj x86_64 amd64;;
arm*) echo arm;;
hppa*) ninj parisc hppa;;
ia64*) echo ia64;;
m68*) echo m68k;;
mips*) echo mips;;
powerpc64*) echo ppc64;;
powerpc*) [[ ${PROFILE_ARCH} == "ppc64" ]] \
&& ninj ppc64 ppc \
|| echo ppc
;;
sparc64*) ninj sparc64 sparc;;
sparc*) [[ ${PROFILE_ARCH} == "sparc64" ]] \
&& ninj sparc64 sparc \
|| echo sparc
;;
s390*) echo s390;;
sh64*) ninj sh64 sh;;
sh*) echo sh;;
i?86*) ninj i386 x86;;
*) echo ${ARCH};;
esac
}
tc-arch-kernel() {
tc-ninja_magic_to_arch kern $@
}
tc-arch() {
tc-ninja_magic_to_arch portage $@
}
tc-endian() {
local host=$1
[[ -z ${host} ]] && host=${CTARGET:-${CHOST}}
host=${host%%-*}
case ${host} in
alpha*) echo big;;
x86_64*) echo little;;
arm*b*) echo big;;
arm*) echo little;;
hppa*) echo big;;
ia64*) echo little;;
m68*) echo big;;
mips*l*) echo little;;
mips*) echo big;;
powerpc*) echo big;;
sparc*) echo big;;
s390*) echo big;;
sh*b*) echo big;;
sh*) echo little;;
i?86*) echo little;;
*) echo wtf;;
esac
}
# Returns the version as by `$CC -dumpversion`
gcc-fullversion() {
echo "$($(tc-getCC) -dumpversion)"
}
# Returns the version, but only the <major>.<minor>
gcc-version() {
echo "$(gcc-fullversion | cut -f1,2 -d.)"
}
# Returns the Major version
gcc-major-version() {
echo "$(gcc-version | cut -f1 -d.)"
}
# Returns the Minor version
gcc-minor-version() {
echo "$(gcc-version | cut -f2 -d.)"
}
# Returns the Micro version
gcc-micro-version() {
echo "$(gcc-fullversion | cut -f3 -d. | cut -f1 -d-)"
}
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