Hi, attached you find the ebuild for this new version of the IBM JDK. I just user the one from 1.3.0 and updated the source file name and the changed the javasrc.jar to src.jar
Created attachment 513 [details] new ebuild file
Available as dev-java/ibm-jdk-1.3.1 and dev-java/ibm-jre-1.3.1