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# Copyright 1999-2004 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 1.13 2004/12/14 05:04:09 vapier 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 eutils
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ECLASS=toolchain-funcs
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INHERITED="$INHERITED $ECLASS"
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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="$2"
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local search=""
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if [ -n "${!var}" ] ; then
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echo "${!var}"
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return 0
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fi
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if [ -n "${CTARGET}" ] ; then
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search="$(type -p "${CTARGET}-${prog}")"
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elif [ -n "${CHOST}" ] ; then
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search="$(type -p "${CHOST}-${prog}")"
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fi
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if [ -n "${search}" ] ; then
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prog="${search##*/}"
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fi
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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 "${CBUILD}-gcc")"
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fi
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if [ -n "${search}" ] ; then
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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${var}
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done
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}
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# A simple way to see if we're using a cross-compiler ...
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tc-is-cross-compiler() {
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local ret tmpfile=$(emktemp).c
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echo 'int main(){return 0;}' > "${tmpfile}"
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$(tc-getCC) "${tmpfile}" -o "${tmpfile}".bin
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! "${tmpfile}".bin &>/dev/null
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ret=$?
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rm -f "${tmpfile}" "${tmpfile}".bin
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return ${ret}
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}
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# Returns the version as by `$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.)"
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}
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