# Copyright 1999-2005 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: $

inherit eutils

DESCRIPTION="An extension to gcc that knows how to compile nesC applications"
HOMEPAGE="http://nescc.sourceforge.net/"
SRC_URI="mirror://sourceforge/nescc/${P}.tar.gz"
LICENSE="GPL-2"
SLOT="0"
KEYWORDS="~x86"
IUSE="doc avr"

RDEPEND=">=dev-embedded/tos-1.1.0 \
	 avr? ( >=cross-avr/binutils-2.14 \
		>=cross-avr/gcc-3.3-r1 \
		>=cross-avr/avr-libc-1.0.2-r1 )"

DEPEND=">=dev-lang/perl-5.8.5-r2 \
	${RDEPEND}"


pkg_setup() {
	if [ -z "${TOSDIR}" ] || [ ! -d "${TOSDIR}" ]
	then
		eerror "In order to compile nesc you have to set the"
		eerror "\$TOSDIR environment properly."
		eerror ""
		eerror "You can achieve this by emerging >=dev-embedded/tinyos-1.1.13"
		eerror "or by exporting TOSDIR=\"path to your tinyos dir\""
		die "Couldn't find a valid TinyOS home"
	else
	if !use avr
	then
		ewarn "You are trying to build nesc without as-avr support."
		ewarn "Note that if you have gcc-avr, the support will be enabled by"
		ewarn "the configure script."
	fi
	einfo "Building nesC for ${TOSDIR}"
	fi
}

src_unpack() {
	unpack ${A}
	epatch ${FILESDIR}/${P}-*.patch.bz2
}

src_compile() {
	econf --disable-dependency-tracking || die "econf failed"

	# language setting needed, otherwise gcc version
	# will sometimes not be detected right
	LANGUAGE=C emake || die "emake failed"
}

src_install() {
	LANGUAGE=C einstall || die "einstall failed"
	if use doc
	then
		dohtml -r -a html,jpg,pdf,txt doc/*
	fi
	dodoc COPYING COPYRIGHT INSTALL README
}