# Copyright 1999-2010 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: $

EAPI="2"

DESCRIPTION="A free and efficient efficient library for ROHC compression"
HOMEPAGE="http://launchpad.net/rohc"
SRC_URI="http://launchpad.net/${PN}/1.3.x/${PV}/+download/${P}.tar.bz2
         test? ( http://launchpad.net/${PN}/1.3.x/${PV}/+download/${PN}-tests-${PV}.tar.bz2 )"

LICENSE="GPL-2"
SLOT="0"
KEYWORDS="~x86 ~arm ~amd64"
IUSE="debug doc rtp-bit-type test"

DEPEND="test? ( net-libs/libpcap )
        doc? ( app-doc/doxygen[latex]
               sci-visualization/gnuplot )"

src_prepare() {

	# the traffic captures for tests are in a separate archive
	# this saves bandwidth if tests are disabled
	if use test ; then
		unpack ${PN}-tests-${PV}.tar.bz2 \
			|| die "failed to unpack network captures for tests"
	fi
}

src_configure() {

	local myconf

	myconf="
		$(use_enable rtp-bit-type)
		$(use_enable test rohc-tests)"

	# configure log level
	if use debug ; then
		myconf="${myconf} --enable-rohc-debug=3"
	else
		myconf="${myconf} --enable-rohc-debug=0"
	fi

	# configure the library
	econf ${myconf} || die "failed to configure library"

	# build the library
	emake || die "failed to build library"

	# build HTML documentation and perf graphs
	if use doc ; then
		emake doc || die "failed to generate HTML documentation"
		emake measures || die "failed generate perf graphs"
	fi
}

src_install() {

	# install libraries but not useless *.la files
	emake DESTDIR="${D}" install || die "failed to install library"
	for lib in common comp decomp ; do
		rm -f ${D}/usr/lib/librohc_${lib}.la
	done

	# install README/INSTALL... files
	dodoc README INSTALL COPYING AUTHORS ChangeLog \
		|| die "failed to install README, INSTALL... files"

	# install HTML documentation and perf graphs
	if use doc ; then
		dohtml -r doc/html/* || die "failed to install HTML documentation"
		docinto graphs || die "failed to create dir for perf graphs"
		dodoc measures/*/*.png || die "failed to install perf graphs"
	fi
}