media-sound/supercollider: add package

Closes: #3280

media-sound/supercollider/Manifest

@@ -0,0 +1 @@
+DIST SuperCollider-3.8.0-Source-linux.tar.bz2 8866545 SHA256 a6ea1fab694f2247baf5598e1d9dffc0738a238b8607b2e8fe4c872e58176b14 SHA512 305898067cb323682ca3dc65b3f093658192dbad228632d928f2fbd4a635c651f49e2e4f32c338997aafd48a22b739cd80de4296f747c3f1810ddede0aff283a WHIRLPOOL c3516d03bb299274327fa3d5120524ecf20002df34286ae8db29057c8846a3baad5bad7985cc00cb3a70049d017ab7d4cfc935849fdd393dcaccadc5c580cadc

media-sound/supercollider/metadata.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+	<maintainer type="person">
+		<email>gentoo@ingolf-wagner.de</email>
+		<description>Primary maintainer</description>
+	</maintainer>
+	<maintainer type="project">
+		<email>proxy-maint@gentoo.org</email>
+		<name>Proxy Maintainers</name>
+	</maintainer>
+	<longdescription>
+		SuperCollider is a platform for audio synthesis and algorithmic 
+		composition, used by musicians, artists, and researchers 
+		working with sound. It is free and open source software 
+		available for Windows, Mac OS X, and Linux.
+	</longdescription>
+	<upstream>
+		<remote-id type="github">supercollider/supercollider</remote-id>
+	</upstream>
+	<use>
+		<flag name="vim">Enable the SCVIM user interface</flag>
+		<flag name="emacs">Enable the SCEL user interface</flag>
+		<flag name="gedit">Enable the SCED user interface</flag>
+		<flag name="gpl3">Build GPL-3 licensed code (recommended)</flag>
+		<flag name="server">Build with internal server</flag>
+		<flag name="wiimote">Build sclang with Wii Remote support</flag>
+	</use>
+</pkgmetadata>

media-sound/supercollider/supercollider-3.8.0.ebuild

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+# Copyright 1999-2017 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+
+inherit cmake-utils readme.gentoo-r1
+
+DESCRIPTION="An environment and a programming language for real time audio synthesis."
+HOMEPAGE="https://supercollider.github.io/"
+SRC_URI="https://github.com/supercollider/supercollider/releases/download/Version-${PV}/SuperCollider-${PV}-Source-linux.tar.bz2"
+
+LICENSE="GPL-2 gpl3? ( GPL-3 )"
+SLOT="0"
+KEYWORDS="~x86 ~amd64"
+IUSE="avahi cpu_flags_x86_sse cpu_flags_x86_sse2 debug emacs +fftw gedit +gpl3 jack +portaudio qt5 server +sndfile static-libs vim wiimote"
+REQUIRED_USE="^^ ( jack portaudio )"
+RESTRICT="mirror"
+
+# Both alsa and readline will be automatically checked in cmake but
+# there are no options for these. Thus the functionality cannot be
+# controlled through USE flags. Therefore hard-enabled.
+RDEPEND="
+	media-libs/alsa-lib
+	sys-libs/readline:0=
+	x11-libs/libXt
+	avahi? ( net-dns/avahi )
+	fftw? ( sci-libs/fftw:3.0= )
+	jack? ( media-sound/jack-audio-connection-kit )
+	portaudio? ( media-libs/portaudio )
+	qt5? (
+		dev-qt/qtcore:5
+		dev-qt/qtgui:5
+		dev-qt/qtpositioning:5
+		dev-qt/qtsensors:5
+		dev-qt/qtwebkit:5
+	)
+	sndfile? ( media-libs/libsndfile )
+	wiimote? ( app-misc/cwiid )"
+DEPEND="${RDEPEND}
+	dev-libs/icu
+	virtual/pkgconfig
+	emacs? ( virtual/emacs )
+	gedit? ( app-editors/gedit )
+	vim? ( app-editors/vim )"
+
+S="${WORKDIR}/SuperCollider-Source"
+
+src_configure() {
+	local mycmakeargs=(
+		AUDIOAPI=$(usex jack jack portaudio)
+		-DINSTALL_HELP=ON
+		-DNATIVE=ON
+		-DSYSTEM_BOOST=OFF
+		-DSYSTEM_YAMLCPP=OFF
+		-DNO_AVAHI=$(usex !avahi)
+		-DFFT_GREEN=$(usex !fftw)
+		-DNO_GPL3=$(usex !gpl3)
+		-DNO_LIBSNDFILE=$(usex !sndfile)
+		-DSC_QT=$(usex qt5)
+		-DSCLANG_SERVER=$(usex server)
+		-DLIBSCSYNTH=$(usex !static-libs)
+		-DSSE=$(usex cpu_flags_x86_sse)
+		-DSSE2=$(usex cpu_flags_x86_sse2)
+		-DSC_IDE=$(usex qt5)
+		-DSC_ED=$(usex gedit)
+		-DSC_VIM=$(usex vim)
+		-DSC_EL=$(usex emacs)
+		-DSC_WII=$(usex wiimote)
+	)
+
+	use debug && mycmakeargs+=(
+		-DSC_MEMORY_DEBUGGING=ON
+		-DSN_MEMORY_DEBUGGING=ON
+		-DGC_SANITYCHECK=ON
+	)
+
+	cmake-utils_src_configure
+}
+
+src_install() {
+	cmake-utils_src_install
+
+	use vim && newdoc editors/scvim/README.md README.vim
+	use emacs && newdoc editors/scel/README.md README.emacs
+	use gedit && newdoc editors/sced/README.md README.gedit
+}
+
+pkg_postinst() {
+	einfo
+	einfo "Notice: SuperCollider is not very intuitive to get up and running."
+	einfo "The best course of action to make sure that the installation was"
+	einfo "successful and get you started with using SuperCollider is to take"
+	einfo "a look through ${EROOT%/}/usr/share/doc/${PF}/README.md.bz2"
+	einfo
+}