diff --git a/sci-electronics/dsview/dsview-9999.ebuild b/sci-electronics/dsview/dsview-9999.ebuild
new file mode 100644
index 0000000000..9cd110b850
--- /dev/null
+++ b/sci-electronics/dsview/dsview-9999.ebuild
@@ -0,0 +1,98 @@
+# Copyright 1999-2020 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+PYTHON_COMPAT=( python3_{6,7,8,9} )
+GITHUB_PN="DSView"
+
+inherit autotools cmake python-r1 xdg
+
+DESCRIPTION="An open source multi-function instrument"
+HOMEPAGE="
+	https://www.dreamsourcelab.com
+	https://github.com/DreamSourceLab/DSView
+"
+
+if [[ ${PV} == "9999" ]] ; then
+	inherit git-r3
+	EGIT_REPO_URI="https://github.com/DreamSourceLab/${GITHUB_PN}.git"
+else
+	SRC_URI="https://github.com/DreamSourceLab/${GITHUB_PN}/archive/v${PV}.tar.gz -> ${P}.tar.gz"
+	KEYWORDS="~amd64 ~arm ~arm64 ~hppa ~m68k ~mips ~ppc ~ppc64 ~s390 ~sparc ~x86"
+	S="${WORKDIR}/${GITHUB_PN}-${PV}"
+fi
+
+LICENSE="GPL-3"
+SLOT="0"
+
+RDEPEND="
+	dev-cpp/glibmm:2
+	dev-libs/boost
+	dev-libs/glib
+	dev-libs/libzip
+	dev-qt/qtcore:5
+	dev-qt/qtgui:5
+	dev-qt/qtwidgets:5
+	dev-qt/qtsvg:5
+	sci-libs/fftw:3.0
+	virtual/libusb:1
+"
+
+DEPEND="
+	${RDEPEND}
+"
+
+PATCHES=(
+	"${FILESDIR}"/${PN}-1.01-viewport.patch
+	"${FILESDIR}"/${PN}-1.12-desktop.patch
+	"${FILESDIR}"/${PN}-1.12-cmake.patch
+)
+
+src_prepare() {
+	default
+
+	local LIBDIR="/usr/$(get_libdir)"
+
+	grep -rl "/usr/local/lib" "${S}" | xargs sed -i "s@/usr/local/lib@${LIBDIR}@g" || die
+	grep -rl "/usr/local" "${S}" | xargs sed -i "s@/usr/local@/usr@g" || die
+	cd "${S}/libsigrok4DSL" || die
+	sh ./autogen.sh || die
+	cd "${S}/libsigrokdecode4DSL" || die
+	sh ./autogen.sh || die
+}
+
+src_configure() {
+	local LIBDIR="/usr/$(get_libdir)"
+
+	cd "${S}/libsigrok4DSL" || die
+	sh ./configure --libdir=${LIBDIR} --prefix=/usr || die
+	cd "${S}/libsigrokdecode4DSL" || die
+	sh ./configure --libdir=${LIBDIR} --prefix=/usr || die
+}
+
+src_compile() {
+	cd "${S}/libsigrok4DSL" || die
+	emake DESTDIR="${D}"
+	cd "${S}/libsigrokdecode4DSL" || die
+	emake DESTDIR="${D}"
+	cd "${S}"
+}
+
+src_install() {
+	local LIBDIR="/usr/$(get_libdir)"
+
+	cd "${S}/libsigrok4DSL" || die
+	emake DESTDIR="${D}" install
+	cd "${S}/libsigrokdecode4DSL" || die
+	emake DESTDIR="${D}" install
+	cd "${S}/DSView" || die
+
+	DESTDIR="${D}" \
+	PKG_CONFIG_PATH="${D}${LIBDIR}/pkgconfig" \
+	CFLAGS="-I${D}/usr/include" \
+	CXXFLAGS="-I${D}/usr/include" \
+	LDFLAGS="-L${D}${LIBDIR}" \
+	cmake -DCMAKE_INSTALL_PREFIX=/usr . || die
+	emake DESTDIR="${D}" install
+}