--- vtk-4.2.6.ebuild	2005-11-17 10:10:37.000000000 +0100
+++ /usr/local/portage/sci-libs/vtk/vtk-4.2.6.ebuild	2005-11-17 10:15:06.000000000 +0100
@@ -92,6 +92,9 @@
 	use patented && CMAKE_VARIABLES="${CMAKE_VARIABLES} -DVTK_USE_PATENTED:BOOL=ON"
 
 	cmake ${CMAKE_VARIABLES} . || die "cmake configuration failed"
+	# run cmake a second time, as cmake often doesn't configure properly in one run 
+	# no need to feed the $CMAKE_VARIABLES again for the second run as they are already set
+	cmake . || die "cmake configuration failed"
 	emake || die "emake failed"
 }