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#!/bin/sh
# Copyright 2008-2011 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
if [ -z "${CHOST}" ] ; then
CHOST=${0##*/}
CHOST=${CHOST%-emerge}
CHOST=${CHOST#emerge-}
fi
export CHOST
EPREFIX="@GENTOO_PORTAGE_EPREFIX@"
if [ "${EPREFIX}" = "@"GENTOO_PORTAGE_EPREFIX"@" ] ; then
EPREFIX=""
fi
: ${SYSROOT=${EPREFIX}/usr/${CHOST}}
: ${PORTAGE_CONFIGROOT=${SYSROOT}}
export SYSROOT PORTAGE_CONFIGROOT
if [ -z "${CHOST}" ] || [ ! -d "${SYSROOT}" ] ; then
echo "cross-emerge: CHOST is not set properly"
exit 1
fi
# Portage defaults CBUILD to CHOST, so we have to remove CHOST
# from the env to get a "good" value for CBUILD
query_vars="CBUILD CFLAGS CXXFLAGS CPPFLAGS LDFLAGS"
clean_vars="${query_vars} CHOST SYSROOT PORTAGE_CONFIGROOT"
eval $(env $(printf -- '-u %s ' ${clean_vars}) \
portageq envvar -v ${query_vars} | sed s:^:_E_:)
: ${CBUILD=${_E_CBUILD}}
: ${BUILD_CFLAGS=${_E_CFLAGS}}
: ${BUILD_CXXFLAGS=${_E_CXXFLAGS}}
: ${BUILD_CPPFLAGS=${_E_CPPFLAGS}}
: ${BUILD_LDFLAGS=${_E_LDFLAGS}}
export CBUILD BUILD_CFLAGS BUILD_CXXFLAGS BUILD_CPPFLAGS BUILD_LDFLAGS
: ${CROSS_CMD:=emerge --root-deps=rdeps}
exec ${CROSS_CMD} "$@"
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