--- /usr/portage/media-gfx/graphviz/graphviz-2.36.0.ebuild	2014-02-06 16:31:21.000000000 +0400
+++ /var/db/paludis/repositories/zaufi-overlay/media-gfx/graphviz/graphviz-2.36.0-r2.ebuild	2014-02-17 04:55:34.028541787 +0400
@@ -3,9 +3,9 @@
 # $Header: /var/cvsroot/gentoo-x86/media-gfx/graphviz/graphviz-2.36.0.ebuild,v 1.2 2014/02/06 12:19:14 kensington Exp $
 
 EAPI=5
-PYTHON_COMPAT=( python{2_6,2_7} )
+PYTHON_COMPAT=( python{2_6,2_7,3_3} )
 
-inherit autotools eutils flag-o-matic java-pkg-opt-2 multilib python-single-r1
+inherit autotools eutils flag-o-matic java-pkg-opt-2 multilib python-r1
 
 DESCRIPTION="Open Source Graph Visualization Software"
 HOMEPAGE="http://www.graphviz.org/"
@@ -129,15 +129,14 @@
 #   with flags enabled at configure time
 
 pkg_setup() {
-	use python && python-single-r1_pkg_setup
-
 	java-pkg-opt-2_pkg_setup
 }
 
 src_prepare() {
 	epatch \
 		"${FILESDIR}"/${PN}-2.34.0-Xaw-configure.patch \
-		"${FILESDIR}"/${PN}-2.34.0-dot-pangocairo-link.patch
+		"${FILESDIR}"/${PN}-2.34.0-dot-pangocairo-link.patch \
+		"${FILESDIR}"/${P}-python3-compat.patch
 
 	# ToDo: Do the same thing for examples and/or
 	#       write a patch for a configuration-option
@@ -168,6 +167,13 @@
 
 	use java && append-cppflags $(java-pkg_get-jni-cflags)
 
+	# 2.36.0 has assertion failure w/ some graphite flags:
+	# dot: mincross.c:1077: install_in_rank: Assertion `
+	# (((Agraphinfo_t*)(((Agobj_t*)(g))->data))->rank)[r].n <= 
+	# (((Agraphinfo_t*)(((Agobj_t*)(g))->data))->rank)[r].an' failed.
+	# So, turn graphite options OFF
+	filter-flags -floop* -fgraphite* -ftree-loop* -fivopts
+
 	eautoreconf
 }
 
@@ -212,11 +218,17 @@
 		--disable-ocaml
 		$(use_enable perl)
 		--disable-php
-		$(use_enable python)
 		--disable-r
 		$(use_enable ruby)
 		--disable-sharp
 		$(use_enable tcl)"
+	if use python; then
+		_prepare_python_configure_params() {
+			local -r _current_python=$(sed 's,\.,,' <<<${EPYTHON})
+			eval "myconf=\"${myconf} $(use_enable python ${_current_python})\""
+		}
+		python_foreach_impl _prepare_python_configure_params
+	fi
 
 	econf \
 		--enable-ltdl \
@@ -242,9 +254,12 @@
 
 	dodoc AUTHORS ChangeLog NEWS README
 
-	use python && python_optimize \
-		"${D}$(python_get_sitedir)" \
-		"${D}/usr/$(get_libdir)/graphviz/python"
+	if use python; then
+		_compile_python_bytecode() {
+			python_optimize "${D}$(python_get_sitedir)"
+		}
+		python_foreach_impl _compile_python_bytecode
+	fi
 }
 
 pkg_postinst() {