# Copyright 1999-2008 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/x11-drivers/nvidia-drivers/files/eblits/want_tls.eblit,v 1.1 2008/12/18 18:27:35 cardoe Exp $

want_tls() {
	# For uclibc or anything non glibc, return false
	has_version sys-libs/glibc || return 1

	# Old versions of glibc were lt/no-tls only
	has_version '<sys-libs/glibc-2.3.2' && return 1

	if use x86 ; then
		case ${CHOST/-*} in
			i486|i586|i686) ;;
			*) return 1 ;;
		esac
	fi

	# If we've got nptl, we've got tls
	built_with_use --missing true sys-libs/glibc nptl && return 0

	# 2.3.5 turned off tls for linuxthreads glibc on i486 and i586
	if use x86 && has_version '>=sys-libs/glibc-2.3.5' ; then
		case ${CHOST/-*} in
			i486|i586) return 1 ;;
		esac
	fi

	# These versions built linuxthreads version to support tls, too
	has_version '>=sys-libs/glibc-2.3.4.20040619-r2' && return 0

	return 1
}