# Copyright 1999-2004 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: $
inherit eutils
S=${WORKDIR}/${PN}
# Added cos to use-flags to pass it on the configure file
IUSE="cos ecn Xaw3d neXtaw"
DESCRIPTION="nist net - network emulation package"
HOMEPAGE="http://www.cablespeed.com/~tmolina/index.html"
SRC_URI="http://www.cablespeed.com/~tmolina/nistnet.2.4.1.tar.gz"

LICENSE="GPL-2"
SLOT="0"
KEYWORDS="~x86"

DEPEND="virtual/x11
	Xaw3d? ( x11-libs/Xaw3d )
	neXtaw? ( x11-libs/neXtaw )"

pkg_setup() {
	einfo "cos use flags enable Class Of Service and ecn enable Explicit Congestion Support"
	if ( use Xaw3d && use neXtaw ); then
		einfo "You need to select only one Widget, ie Xaw3d OR neXtaw" && die
	fi
	if ! ( use Xaw3d || use neXtaw ); then
		einfo "You need to select at least one Widget, ie Xaw3d OR neXtaw" && die
	fi
}

src_unpack() {
	unpack ${A}

	cd ${WORKDIR}

	# Patch makefile
	epatch ${FILESDIR}/${P}-gentoo.diff || die "epatch failed"

	# we need to setup for xaw3d or neXtaw. Assume xaw3d is default so no need to change it.
	if use neXtaw; then
		cd ${S}
		sed -i -e 's/lXaw3d/lneXtaw/g' configure || die "sed failed"
		cd monitor
		sed -i -e 's/lXaw3d/lneXtaw/g' Imakefile || die "sed failed"
	fi
	# Patch Config
	if use ecn; then
		cd ${S}
		sed -i -e 's/# -DCONFIG_ECN/-DCONFIG_ECN/g' Config || die "sed failed"
	fi
	if use cos; then
		cd ${S}
		sed -i -e 's/# -DCONFIG_COS/-DCONFIG_COS/g' Config || die "sed failed"
	fi
}

src_compile() {
	cd ${S}
	econf || die
	emake || die
}

src_install () {
	mkdir ${DESTDIR}dev/
	make DESTDIR=${D} install || die
	dodoc ChangeLog doc/* doc/htmldocs/* doc/htmldocs/slides/*
}