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