# Distributed under the terms of the GNU General Public License, v2 or later

IUSE="doc"

inherit gcc

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

DESCRIPTION="GNU Music Typesetter"
SRC_URI="ftp://ftp.lilypond.org/pub/LilyPond/${MY_PV}/${P}.tar.gz"
HOMEPAGE="http://lilypond.org/web/index.html"
SLOT="0"
LICENSE="GPL-2"
KEYWORDS="~x86"

DEPEND=">=dev-lang/python-2.2.1-r2
	>=dev-lang/perl-5.6.1-r6
	>=dev-util/guile-1.4-r3
	>=sys-devel/bison-1.35
	>=app-text/tetex-1.0.7-r12
	>=sys-apps/texinfo-4.2-r5
	>=sys-devel/flex-2.5.4a-r5
	doc? ( >=app-text/mftrace-1.0.8
		>=app-text/ghostscript-7.05.5
		>=media-libs/netpbm-9.12-r2 )"

RDEPEND=">=dev-util/guile-1.4-r3
	>=app-text/ghostscript-7.05.5
	>=app-text/tetex-1.0.7-r10
	>=dev-lang/python-2.2.1-r2"

src_unpack() {

	unpack ${A} || die "unpack failed"

	cd ${S}

	if [ "`gcc-major-version`" -eq "3" -a "`gcc-minor-version`" -ge "3" ]
	then
		# needs a fix for tail/head -1... not a biggie, just a s// in an aclocal.m4 and autogen
		
		epatch ${FILESDIR}/lilypond-1.8.0-gcc33.patch || die "epatch failed"

		# we have to re-run autogen.sh to rebuild all the files w/
		# that damn head/tail thing in 'em...

		NOCONFIGURE=1 ./autogen.sh > /dev/null || die "re-building of configure file failed"
	fi
}

src_compile() {

	econf || die "econf failed"

	emake MAKE_PFA_FILES=1 || die "emake failed"

	if use doc
	then
		emake web || die "emake web failed"
	fi
}	

src_install() {
	einstall \
		MAKE_PFA_FILES=1
		lilypond_datadir=${D}/usr/share/lilypond \
		local_lilypond_datadir=${D}/usr/share/lilypond/${PV}

	dodoc AUTHORS* COPYING ChangeLog DEDICATION NEWS README.txt \
		ROADMAP THANKS VERSION *.el

	insinto /usr/share/lilypond/${PV}/buildscripts/out
	doins buildscripts/out/lilypond-profile \
		buildscripts/out/lilypond-login \
		buildscripts/out/clean-fonts

	if use doc
	then
		make \
			webdir=${D}/usr/share/doc/${PF}/html \
			web-install || die "web-install failed"

	fi

	prepall
	prepalldocs

	texhash
}


pkg_postinst() {
	# Cleaning out old fonts is more appropriate in pkg_prerm, but we
	# also need to clean up after any lilypond installations which may
	# not have been installed via portage.
	. /usr/share/lilypond/${PV}/buildscripts/out/clean-fonts
}

pkg_prerm () {
	. /usr/share/lilypond/${PV}/buildscripts/out/clean-fonts
}