Gentoo's Bugzilla –
Attachment 477780 Details for
Bug 622574sci-libs/vtk-6.1.0-r4 will not rebuild: ninja: error: '/etc/java-config-2/current-system-vm/jre/lib/amd64/xawt/libmawt.so', needed by 'lib/libvtkRenderingCoreJava.so', missing and no known rule to make it