media-sound/guitarix: Update live ebuild

* EAPI 7 bump
* reorganize dependencies
* support python3.9

Signed-off-by: Alexander Tsoy <alexander@tsoy.me>

media-sound/guitarix/guitarix-9999.ebuild

@@ -1,9 +1,9 @@
 # Copyright 2019-2020 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-EAPI=6
+EAPI=7
 
-PYTHON_COMPAT=( python3_{6,7,8} )
+PYTHON_COMPAT=( python3_{6,7,8,9} )
 PYTHON_REQ_USE='threads(+)'
 
 inherit python-any-r1 waf-utils xdg git-r3
@@ -21,15 +21,16 @@ KEYWORDS=""
 IUSE="bluetooth debug lv2 nls nsm +standalone zeroconf"
 REQUIRED_USE="|| ( lv2 standalone )"
 
-COMMON_DEPEND="dev-cpp/eigen:3
+DEPEND="
+	dev-cpp/eigen:3
 	dev-cpp/glibmm:2
 	dev-cpp/gtkmm:3.0
 	dev-libs/glib:2
 	>=media-libs/libsndfile-1.0.17
 	>=media-libs/zita-convolver-3:=
 	media-libs/zita-resampler
 	>=net-misc/curl-7.26.0
-	>=sci-libs/fftw-3.1.2:3.0=
+	>=sci-libs/fftw-3.3.8:3.0=
 	x11-libs/gtk+:3
 	lv2? ( media-libs/lv2 )
 	standalone? (
@@ -43,18 +44,21 @@ COMMON_DEPEND="dev-cpp/eigen:3
 	)
 "
 # roboto fonts are required for correct ui rendering
-RDEPEND="${COMMON_DEPEND}
+RDEPEND="
+	${DEPEND}
 	standalone? (
 		media-fonts/roboto
 	)
 "
-DEPEND="${COMMON_DEPEND}
+BDEPEND="
 	${PYTHON_DEPS}
-	dev-lang/sassc
 	virtual/pkgconfig
-	nls? (
-		dev-util/intltool
-		sys-devel/gettext
+	standalone? (
+		dev-lang/sassc
+		nls? (
+			dev-util/intltool
+			sys-devel/gettext
+		)
 	)
 "