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# Copyright 1999-2003 Gentoo Technologies, Inc.
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/eclass/gcc.eclass,v 1.12 2003/02/28 09:15:04 vapier Exp $
#
# Author: Martin Schlemmer <azarah@gentoo.org>
#
# This eclass contains (or should) functions to get common info about gcc
ECLASS=gcc
INHERITED="$INHERITED $ECLASS"
newdepend sys-devel/gcc
DESCRIPTION="Based on the ${ECLASS} eclass"
# NOTE: To force gcc3 if multi ver install, do: export WANT_GCC_3="yes"
[ -z "${WANT_GCC_3}" ] && export WANT_GCC_3="no"
# Returns the name of the C compiler binary
gcc-getCC() {
if [ "${WANT_GCC_3}" = "yes" -o -z "${CC}" ]
then
local CC="gcc"
if [ "$(${CC} -dumpversion | cut -f1 -d.)" -ne 3 ] && \
[ "${WANT_GCC_3}" = "yes" ]
then
# We use the dual/multiple install of gcc-3.x if the user
# have 2.95.3 as base
if [ -x /usr/bin/gcc-3.2 ]
then
CC="gcc-3.2"
elif [ -x /usr/bin/gcc-3.1 ]
then
CC="gcc-3.1"
elif [ -x /usr/bin/gcc-3.0 ]
then
CC="gcc-3.0"
fi
fi
fi
echo "${CC}"
}
# Returns the name of the C++ compiler binary
gcc-getCXX() {
if [ "${WANT_GCC_3}" = "yes" -o -z "${CXX}" ]
then
local CC="$(gcc-getCC)"
if [ "$(${CC} -dumpversion | cut -f1 -d.)" -ge 3 ]
then
echo "${CC/gcc/g++}"
else
echo "${CC}"
fi
else
echo "${CXX}"
fi
}
# Returns the version as by `$CC -dumpversion`
gcc-fullversion() {
echo "$($(gcc-getCC) -dumpversion)"
}
# Returns the version, but only the <major>.<minor>
gcc-version() {
echo "$(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 "$(gcc-fullversion | cut -f3 -d.)"
}
# Returns gcc's internal library path
gcc-libpath() {
echo "/usr/lib/gcc-lib/$($(gcc-getCC) -dumpmachine)/$(gcc-fullversion)"
}
# Returns the full version of libstdc++.so
gcc-libstdcxx-version() {
if [ "$(gcc-major-version)" -ge 3 ]
then
local libstdcxx="$(ls $(gcc-libpath)/libstdc++.so.?.?.?)"
libstdcxx="${libstdcxx##*/}"
echo "${libstdcxx/libstdc++.so.}"
else
echo
fi
}
# Returns the Major version of libstdc++.so
gcc-libstdcxx-major-version() {
echo "$(echo $(gcc-libstdcxx-version) | cut -f1 -d.)"
}
# This is thanks to great work from Paul de Vrieze <gentoo-user@devrieze.net>,
# bug #9016. Also thanks to Jukka Salmi <salmi@gmx.net> (bug #13907) for more
# fixes.
#
# Export CFLAGS and CXXFLAGS that are compadible with gcc-2.95.3
gcc2_flags() {
CFLAGS=${CFLAGS//pentium-mmx/i586}
CFLAGS=${CFLAGS//pentium[234]/i686}
CFLAGS=${CFLAGS//k6-[23]/k6}
CFLAGS=${CFLAGS//athlon-tbird/i686}
CFLAGS=${CFLAGS//athlon-4/i686}
CFLAGS=${CFLAGS//athlon-[xm]p/i686}
CFLAGS=${CFLAGS//athlon/i686}
CXXFLAGS=${CXXFLAGS//pentium-mmx/i586}
CXXFLAGS=${CXXFLAGS//pentium[234]/i686}
CXXFLAGS=${CXXFLAGS//k6-[23]/k6}
CXXFLAGS=${CXXFLAGS//athlon-tbird/i686}
CXXFLAGS=${CXXFLAGS//athlon-4/i686}
CXXFLAGS=${CXXFLAGS//athlon-[xm]p/i686}
CXXFLAGS=${CXXFLAGS//athlon/i686}
export CFLAGS CXXFLAGS
}
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