diff -ur graphics/sane-backends.orig/Makefile graphics/sane-backends/Makefile
--- graphics/sane-backends.orig/Makefile
+++ graphics/sane-backends/Makefile
@@ -16,7 +16,7 @@
 		libtiff.so:graphics/tiff
 
 USES=		compiler:c++11-lang gmake gnome jpeg libtool localbase:ldflags \
-		pathfix pkgconfig
+		pathfix pkgconfig python:build
 USE_GNOME=	libxml2
 USE_LDCONFIG=	yes
 USE_RC_SUBR=	saned