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

inherit eutils alternatives

IUSE="doc"

MY_PVv="v$(echo ${PV} | cut -d. -f1,2)"
MY_PV="$(echo ${PV} | cut -d. -f1,2)"

DESCRIPTION="GNU Music Typesetter"
SRC_URI="http://www.lilypond.org/ftp/${MY_PVv}/${P}.tar.gz"
HOMEPAGE="http://lilypond.org/"

SLOT="2"
LICENSE="GPL-2"
KEYWORDS="~x86 ~amd64 ~sparc"

RDEPEND=">=dev-util/guile-1.6.5
	virtual/ghostscript
	>=dev-lang/python-2.2.3-r1
	>=media-libs/freetype-2
	>=media-libs/fontconfig-2.2
	>=x11-libs/pango-1.6
	>=dev-lang/perl-5.8.0-r12
	virtual/tetex"
	#we need tetex to get metafont, which is used

DEPEND="${RDEPEND}
	>=app-text/mftrace-1.1.17
	>=media-gfx/fontforge-20050624
	>=sys-apps/texinfo-4.8
	>=sys-devel/gcc-3.3
	>=sys-devel/make-3.80
	gettext
	>=sys-devel/flex-2.5.4a-r5
	sys-devel/bison !=sys-devel/bison-1.75
	doc? ( media-gfx/imagemagick
		>=media-libs/netpbm-9.12-r4 )"

# These come from the old ebuild, but aren't now listed as 
# dependancies on the home page
#	>=app-text/t1utils-1.32

# no refes in makefiles either

	

src_unpack() {
	unpack ${A} || die "unpack failed"
}

src_compile() {
	# Remove ccache from the PATH since it can break compilation of
	# this package.  See bug 21305
	PATH="$(echo ":${PATH}:" | sed 's/:[^:]*ccache[^:]*:/:/;s/^://;s/:$//;')"

	# Fontforge requires write access to the following temp directory
	addwrite /root/.PfaEdit
	
	addwrite /dev/stderr
	addwrite /var/cache/fonts
	addwrite /usr/share/texmf/fonts
	addwrite /usr/share/texmf/ls-R

	econf --program-suffix="-${MY_PV}"	\
	--infodir="/usr/share/info/lilypond-${MY_PV}" || die "econf failed"
	emake || die "emake failed"

	if use doc; then
		make web || die "make web failed"
	fi
}

src_install () {
	einstall \
		lilypond_datadir=${D}/usr/share/lilypond/${MY_PV} \
		local_lilypond_datadir=${D}/usr/share/lilypond/${MY_PV} \
		|| die "einstall failed"

	dodoc AUTHORS.txt COPYING ChangeLog DEDICATION INSTALL.txt \
		NEWS.txt README.txt ROADMAP THANKS VERSION \
		|| die "dodoc failed"

	insinto /usr/share/lilypond/${MY_PV}/buildscripts/out
	einfo "Installing build scripts to"
	einfo "/usr/share/lilypond/${MY_PV}/buildscripts/out"
	doins buildscripts/out/make-font-dir \
		buildscripts/out/lilypond-words \
		|| die "installing failed"
# these are the only ones left that might be useful as far as I can see

	# emacs support, should this be done differently?
#	insinto /usr/share/lilypond/${PV}/elisp
#	doins elisp/*.el \
#		|| die "doins failed"
#	insinto /usr/share/lilypond/${PV}/elisp/out
#	doins elisp/out/lilypond-words.el \
#		|| die "doins failed"

#
	# "make web" packages all the docs into a nice tarball for us.
	# NOTE: this is different than the way we did this in 2.4;
	# If we try it the old way, the ebuild will hang because of
	# circular symlink dereferencing
	if use doc; then
		install -d ${D}/usr/share/doc/lilypond/${MY_PV} -m 755
		cd ${D}/usr/share/doc/lilypond/${MY_PV}
		tar xzf ${S}/out-www/web.tar.gz
	fi
}

pkg_postinst() {
	alternatives_auto_makesym "/usr/bin/lilypond" \
	"/usr/bin/lilypond-[0-9].[0-9]"
	#confect the package version - independant symlink
	}

pkg_postrm() {
	alternatives_auto_makesym "/usr/bin/lilypond" \
	"/usr/bin/lilypond-v[0-9].[0-9]"
	#confect the package version - independant symlink
	# do this after removal as well so /usr/bin/lilypond still exists
	}