Live ebuilds: Fix `Kaffeine` ebuild by forcing xinerama support.

Signed-off-by: Chris <xchrisx@uber.space>

trinity-apps/kaffeine/kaffeine-9999.ebuild

@@ -1,5 +1,6 @@
 # Copyright 2020 The Trinity Desktop Project
 # Distributed under the terms of the GNU General Public License v2
+
 EAPI="7"
 TRINITY_MODULE_TYPE="applications"
 
@@ -20,7 +21,10 @@ need-trinity
 
 SLOT="${TRINITY_VER}"
 
-IUSE+=" dvb dpms gstreamer xinerama vorbis encode xcb"
+IUSE+=" dvb dpms gstreamer vorbis encode xcb"
+
+# As of April 2020 Kaffeine can be only build with xinerama support.
+# If that is fixed, the build option will be optional again.
 
 DEPEND+=" 
 	x11-base/xorg-proto
@@ -34,6 +38,7 @@ DEPEND+="
 	encode? ( media-sound/lame  )
 	vorbis? ( media-libs/libvorbis )
 	xcb? ( x11-libs/libxcb )
+	x11-libs/libXinerama
 	dvb? ( virtual/linuxtv-dvb-headers )"
 RDEPEND+=" ${DEPEND}"
 
@@ -42,7 +47,7 @@ src_configure() {
 		-DBUILD_TRANSLATIONS=ON
 		-DWITH_XTEST=ON
 		-DWITH_DPMS="$(usex dpms)"
-		-DWITH_XINERAMA="$(usex xinerama)"
+		-DWITH_XINERAMA=ON
 		-DWITH_XCB="$(usex xcb)"
 		-DWITH_GSTREAMER="$(usex gstreamer)"
 		-DWITH_OGGVORBIS="$(usex vorbis)"