--- doxygen-1.5.2.ebuild.old	2007-06-13 12:28:22.000000000 +0200
+++ doxygen-1.5.2.ebuild	2007-06-13 12:28:42.000000000 +0200
@@ -11,9 +11,9 @@
 LICENSE="GPL-2"
 SLOT="0"
 KEYWORDS="~alpha ~amd64 ~arm ~hppa ~ia64 ~ppc ~ppc-macos ~ppc64 ~s390 ~sh ~sparc ~x86 ~x86-fbsd"
-IUSE="doc qt3 tetex"
+IUSE="doc qt3 tetex graphviz"
 
-RDEPEND=">=media-gfx/graphviz-2.6
+RDEPEND=" graphviz? ( >=media-gfx/graphviz-2.6 )
 	qt3? ( $(qt_min_version 3.3) )
 	tetex? ( virtual/tetex )
 	virtual/ghostscript"