Trying to emerge dev-java/ant-core (in the course of emerging libreoffice), I got the error: ERROR: prepare No binary for rewriting found. Do you have dev-java/javatoolkit installed? ERROR: dev-java/ant-core-1.10.5-r2::java-kit failed (prepare phase): xml-rewrite not found Call stack: ebuild.sh, line 93: Called src_prepare environment, line 4125: Called java-ant_xml-rewrite '-f' 'build.xml' '-c' '-e' 'javadoc' '-a' 'failonerror' '-v' 'false' environment, line 1896: Called die