dev-scheme/racket: put graphic libs in graphics USE

Package-Manager: Portage-2.3.99, Repoman-2.3.22
Signed-off-by: Maciej Barć <xgqt@protonmail.com>

dev-scheme/racket/metadata.xml

@@ -5,6 +5,9 @@
     <flag name="futures">
       Enable racket/future library for fine-grained hardware parallelism
     </flag>
+    <flag name="graphics">
+      Enable support for graphics
+    </flag>
     <flag name="places">
       Enable racket/place library for share-nothing parallelism and message-passing communication. Compared to futures, places are heavyweight, but they have a simpler performance model.
     </flag>

dev-scheme/racket/racket-7.7.ebuild

@@ -18,27 +18,31 @@ SLOT="0"
 KEYWORDS="~amd64"
 
 IUSE="
-	+X
 	+doc
 	+futures
+	+graphics
 	+jit
 	+places
 	+readline
 	+threads
+	X
 	minimal
 "
 REQUIRED_USE="
 	futures? ( jit )
+	X? ( graphics )
 "
 
 RDEPEND="
 	!dev-tex/slatex
 	dev-db/sqlite:3
 	dev-libs/libffi
-	media-libs/libpng:0
-	virtual/jpeg:0
-	x11-libs/cairo[X?]
-	x11-libs/pango[X?]
+	graphics? (
+		media-libs/libpng:0
+		virtual/jpeg:0
+		x11-libs/cairo[X?]
+		x11-libs/pango[X?]
+	)
 	readline? (
 		dev-libs/libedit
 	)