copy qmidiarp-0.6.5 ebuild from gentoo tree, update EAPI to 8

media-sound/qmidiarp/Manifest

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+DIST qmidiarp-0.6.5.tar.bz2 541288 BLAKE2B eb2acb80c6fd442b197510eef2be000dc6a8e4cf7142cebbbbd156dad464f80062cc0a41881476aedc41c1b7cff27b1c56ae64354134b255b6cbd7672ef182f0 SHA512 171d74230a77b15453367fd38f9bcc94bbbd025a9665853180172bdfd812c2ee5ae0954124706d46c7e5cec0aafaebd5de68435f717789f052e7f86c48917379
+EBUILD qmidiarp-0.6.5.ebuild 797 BLAKE2B 841918068fe901cdf1b9fb6e48542b643fd16020fa36ced955e78b18035789e34e5c466d352d1c9229d656ecc1bf874158fae7675ee18932ddd0f831b792c70e SHA512 216d9ea1fe06af480d45b31d522e28606d5c130f1e17efa7719c67ebcb9275881cf75c32e21a9a15e37e47ae0d402ef00e0076c131751c28a8b3e7c385a7183f
+MISC metadata.xml 400 BLAKE2B 97788da0d85fcb9aefeded864bb45387d641d30ae070f72d9257f0625191a58fcde3753bc9a0aac64c72111755d1f0595be0c32224e3986f1e54e0a8c3fafbb2 SHA512 cc204d2ac82bace84865fdaab94d8e7c40ec98bb833cf12ac1da3af56c4fa6277c4456e7bd6cb180b21972b4236b55983b707574d310b910c0a986cb2360265c

media-sound/qmidiarp/metadata.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+  <maintainer type="person">
+    <name>Nedko Arnaudov</name>
+    <irc><nick>nedko</nick><network>libera.chat</network></irc>
+  </maintainer>
+  <maintainer type="project">
+    <name>LADI project, #ladi on libera.chat</name>
+    <email>staff@ladi.internal</email>
+  </maintainer>
+  <upstream>
+	<remote-id type="sourceforge">qmidiarp</remote-id>
+  </upstream>
+  <use>
+	<flag name="lv2">Enables Ladspa V2 plugins.</flag>
+  </use>
+</pkgmetadata>

media-sound/qmidiarp/qmidiarp-0.6.5.ebuild

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+# Copyright 1999-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit qmake-utils xdg
+
+DESCRIPTION="Arpeggiator, sequencer and MIDI LFO for ALSA"
+HOMEPAGE="http://qmidiarp.sourceforge.net/"
+SRC_URI="mirror://sourceforge/${PN}/${P}.tar.bz2"
+
+LICENSE="GPL-2"
+SLOT="0"
+KEYWORDS="~amd64 ~x86"
+IUSE="lv2 nls osc"
+
+BDEPEND="
+	nls? ( dev-qt/linguist-tools:5 )
+	virtual/pkgconfig"
+RDEPEND="
+	dev-qt/qtcore:5
+	dev-qt/qtgui:5
+	dev-qt/qtwidgets:5
+	media-libs/alsa-lib
+	virtual/jack
+	lv2? ( media-libs/lv2 )
+	osc? ( media-libs/liblo )"
+DEPEND="${RDEPEND}"
+
+src_configure() {
+	export PATH="$(qt5_get_bindir):${PATH}"
+
+	local myeconfargs=(
+		$(use_enable lv2 lv2plugins)
+		$(use_enable nls translations)
+		$(use_enable osc nsm)
+	)
+	econf "${myeconfargs[@]}"
+}