# Copyright 1999-2007 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: $

inherit elisp-common eutils toolchain-funcs

DESCRIPTION="A real time audio synthesis programming language"
HOMEPAGE="http://www.audiosynth.com"
SRC_URI="http://dev.gentooexperimental.org/~drac/distfiles/${P}.tar.bz2"

LICENSE="GPL-2"
SLOT="0"
KEYWORDS="~ppc ~x86"
IUSE="emacs"

RDEPEND="media-sound/jack-audio-connection-kit
	 media-libs/alsa-lib
	 media-libs/libsndfile
	 dev-util/pkgconfig
	 dev-util/scons"
DEPEND="${RDEPEND}
	sys-apps/sed
	emacs? ( virtual/emacs )"

SITEFILE=50${PN}-gentoo.el

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

	# Change default config file location from /etc to /etc/supercollider
	sed -i -e "s:/etc/sclang.cfg:/etc/supercollider/sclang.cfg:" Source/lang/LangSource/SC_LanguageClient.cpp
	sed -i -e "s:/etc/sclang.cfg:/etc/supercollider/sclang.cfg:" linux/examples/sclang.cfg.in

	# Change the ridiculous default scsynth location on sample ~/.scsynth.sc file
	sed -i -e "s:/usr/local/music/bin/scsynth:/usr/bin/scsynth:" linux/examples/sclang.sc

	if ! use emacs; then
		# Uncommenting a line per linux/examples/sclang.cfg.in
		sed -i -e \
			"s:#-@PKG_DATA_DIR@/Common/GUI/Document.sc:-@PKG_DATA_DIR@/Common/GUI/Document.sc:"	\
			linux/examples/sclang.cfg.in
	else
		# Fixing the elisp installation directory setting
		sed -i -e \
			"s:elisp_dir = os.path.join(INSTALL_PREFIX, 'share', 'emacs', 'site-lisp'):elisp_dir = os.path.join(INSTALL_PREFIX, 'share', 'emacs', 'site-lisp', 'supercollider'):" \
			SConstruct
	fi
}

src_compile() {
	local myconf

	myconf="${myconf} PREFIX=/usr"

	# Do the main compilation
	if use emacs; then
		myconf="${myconf} SCEL=yes"
	else
		myconf="${myconf} SCEL=no"
	fi

	cd "${S}"
	scons ${myconf} linux/examples/sclang.cfg || die "configure failed."
	scons ${MAKEOPTS} CXX="$(tc-getCXX)" || die "scons failed."
}


src_install() {
	# Main install
	scons install DESTDIR="${D}"

	# Install our config file
	insinto /etc/supercollider
	doins linux/examples/sclang.cfg

	# Documentation
	mv linux/README linux/README-linux
	mv linux/scel/README linux/scel/README-scel
	dodoc linux/README-linux linux/scel/README-scel

	# Our documentation
	sed -e "s:@DOCBASE@:/usr/share/doc/${PF}:" \
		< ${FILESDIR}/README-gentoo.txt | gzip \
		> "${D}"/usr/share/doc/${PF}/README-gentoo.txt.gz

	# Example files (don't gzip)
	insinto /usr/share/doc/${PF}/examples
	doins linux/examples/onetwoonetwo.sc linux/examples/sclang.sc

	# Help files included with project (again, don't gzip)
	cp -R "${S}"/build/Help "${D}"/usr/share/doc/${PF}

	# Emacs installation
	if use emacs; then
		elisp-site-file-install "${FILESDIR}/${SITEFILE}"
	fi

}

pkg_postinst() {
	elog
	elog "Notice: SuperCollider is not very intuitive to get up and running."
	elog "The best course of action to make sure that the installation was"
	elog "successful and get you started with using SuperCollider is to take"
	elog "a look through /usr/share/doc/${PF}/README-gentoo.txt.gz"
	elog
	use emacs && elisp-site-regen
}


pkg_postrm() {
	use emacs && elisp-site-regen
}