dev-java/sun-jmx does not compile with jdk 1.5 it targets to v1.2 so it aborts removing the target line from build.xml fixes this. it compiles corretly afterwards on amd64 this way it works: <target name="classes" description="Build all JMX RI java files from ${dir.src} to ${dir.build}/classes" > <mkdir dir="${dir.build}/classes" /> <javac srcdir="${dir.src}" destdir="${dir.build}/classes" debug="on" debuglevel="lines,source" optimize="on" includeAntRuntime="no" includeJavaRuntime="no" /> </target>
*** This bug has been marked as a duplicate of 79206 ***