# Copyright 1999-2008 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/net-p2p/mldonkey/mldonkey-2.9.6.ebuild,v 1.5 2008/11/30 17:08:22 maekke Exp $

WANT_AUTOCONF=2.5

inherit flag-o-matic eutils autotools toolchain-funcs

EAPI="1"

IUSE="doc fasttrack gd gnutella gtk guionly magic +ocamlopt"

DESCRIPTION="MLDonkey is a multi-network P2P application written in Ocaml, coming with its own Gtk GUI, web and telnet interface."
HOMEPAGE="http://mldonkey.sourceforge.net/"
SRC_URI="mirror://sourceforge/${PN}/${P}.tar.bz2"

LICENSE="GPL-2"
SLOT="0"
KEYWORDS="~alpha amd64 hppa ~ia64 ppc ~sparc x86 ~x86-fbsd"

RDEPEND="dev-lang/perl
	guionly? ( >=gnome-base/librsvg-2.4.0
			>=dev-ml/lablgtk-2.6 )
	gtk? ( >=gnome-base/librsvg-2.4.0
			>=dev-ml/lablgtk-2.6 )
	gd? ( >=media-libs/gd-2.0.28 )
	magic? ( sys-apps/file )"

DEPEND="${RDEPEND}
	>=dev-lang/ocaml-3.08.3
	sys-apps/sed"

MLUSER="p2p"

pkg_setup() {
	if use gtk; then
		echo ""
		einfo "If the compile with gui fails, and you have updated Ocaml"
		einfo "recently, you may have forgotten that you need to run"
		einfo "/usr/portage/dev-lang/ocaml/files/ocaml-rebuild.sh"
		einfo "to learn which ebuilds you need to recompile"
		einfo "each time you update Ocaml to a different version"
		einfo "see the Ocaml ebuild for details"
		echo ""
	fi

	if use gtk && ! built_with_use dev-ml/lablgtk svg; then
		eerror "dev-ml/lablgtk must be built with the 'svg' USE flag to use the gtk gui"
		die "Recompile dev-ml/lablgtk with enabled svg USE flag"
	fi

	if use gd && ! built_with_use media-libs/gd truetype; then
		eerror "media-libs/gd must be built with 'truetype' to compile"
		eerror "MLDonkey with gd support"
		die "Recompile media-libs/gd with enabled truetype USE flag"
	fi
	if use ocamlopt && ! built_with_use --missing true dev-lang/ocaml ocamlopt; then
		eerror "In order to build ${PN} with native code support from ocaml"
		eerror "You first need to have a native code ocaml compiler."
		eerror "You need to install dev-lang/ocaml with ocamlopt useflag on."
		die "Please install ocaml with ocamlopt useflag"
	fi
	# dev-lang/ocaml creates its own objects but calls gcc for linking, which will
	# results in relocations if gcc wants to create a PIE executable
	if gcc-specs-pie ; then
		append-ldflags -nopie
		ewarn "Ocaml generates its own native asm, you're using a PIE compiler"
		ewarn "We have appended -nopie to ocaml build options"
		ewarn "because linking an executable with pie while the objects are not pic will not work"
	fi
}

src_unpack() {
	unpack ${A} && cd "${S}"

	cd "${S}"/config
	eautoconf
	cd "${S}"
	use ocamlopt || sed -i -e "s/ocamlopt/idontwantocamlopt/g" "${S}/config/configure" || die "failed to disable ocamlopt"
}

src_compile() {
	# the dirs are not (yet) used, but it doesn't hurt to specify them anyway

	# onlygui	Disable all nets support, build only chosen GUI

	if use gtk || use guionly; then
		myconf="--enable-gui=newgui2"
	else
		myconf="--disable-gui"
	fi

	if use guionly; then
		myconf="${myconf} --disable-multinet --disable-donkey"
	fi

	cd "${S}"
	econf \
		--sysconfdir=/etc/mldonkey \
		--sharedstatedir=/var/mldonkey \
		--localstatedir=/var/mldonkey \
		--enable-checks \
		--disable-batch \
		$(use_enable fasttrack) \
		$(use_enable gnutella) \
		$(use_enable gnutella gnutella2) \
		$(use_enable gd) \
		$(use_enable magic) \
		--enable-ocamlver=3.10 \
		${myconf} || die "econf failed"

	export OCAMLRUNPARAM="l=256M"
	emake || die "emake failed"

	if ! use guionly; then
		emake utils || die "emake utils failed"
	fi;
}

src_install() {
	local myext=""
	use ocamlopt || myext=".byte"
	use ocamlopt || export STRIP_MASK="*/bin/*"
	if ! use guionly; then
		for i in mlnet mld_hash get_range copysources make_torrent subconv; do
			newbin $i$myext $i || die "failed to install $i"
		done

		newconfd "${FILESDIR}/mldonkey.confd-2.8" mldonkey
		fperms 600 /etc/conf.d/mldonkey
		newinitd "${FILESDIR}/mldonkey.initd" mldonkey
	fi

	if use gtk; then
		for i in mlgui mlguistarter; do
			newbin $i$myext $i || die "failed to install $i"
		done
		make_desktop_entry mlgui "MLDonkey GUI" mldonkey "Network;P2P"
		newicon "${S}"/packages/rpm/mldonkey-icon-48.png ${PN}.png
	fi

	if use doc ; then
		cd "${S}"/distrib
		dodoc ChangeLog *.txt
		dohtml *.html

		insinto /usr/share/doc/${PF}/scripts
		doins kill_mldonkey mldonkey_command mldonkey_previewer make_buginfo

		cd "${S}"/docs
		dodoc *.txt *.tex *.pdf
		dohtml *.html

		cd "${S}"/docs/developers
		dodoc *.txt *.tex

		cd "${S}"/docs/images
		insinto /usr/share/doc/${PF}/html/images
		doins *
	fi
}

pkg_preinst() {
	if ! use guionly; then
		enewuser ${MLUSER} -1 -1 /home/p2p users
	fi
}

pkg_postinst() {
	if ! use guionly; then
		echo
		einfo "If you want to start MLDonkey as a system service, use"
		einfo "the /etc/init.d/mldonkey script. To control bandwidth, use"
		einfo "the 'slow' and 'fast' arguments. Be sure to have a look at"
		einfo "/etc/conf.d/mldonkey also."
		echo
		einfo "Attention: 2.6 has changed the inifiles structure, so downgrading"
		einfo "will be problematic."
		einfo "User settings (admin) are transferred to users.ini from "
		einfo "downloads.ini"
		einfo "Old ini files are automatically converted to the new format"
		echo
	else
		echo
		einfo "Simply run mlgui to start the chosen MLDonkey gui."
		einfo "It puts its config files into ~/.mldonkey"
	fi
}