Hello, refering to Bug 129703, the IBM JRE also works after some modifications. Here's what I changed in the ibm-jre-bin-1.4.2.04.ebuild: ------------------------------------------------------------------------------- inherit java eutils if use x86 ; then JRE_DIST="IBMJava2-JRE-142.tgz" JRE_DIST_GENTOO="IBMJava2-JRE-142-SR4.tgz" elif use amd64 ; then JRE_DIST="IBMJava2-JRE-AMD64-142.x86_64.tgz" JRE_DIST_GENTOO="IBMJava2-JRE-AMD64-142.x86_64-SR4.tgz" elif use s390 ; then JRE_DIST="IBMJava2-142-JRE-1.4.2-4.0.390.tgz" JRE_DIST_GENTOO="IBMJava2-JRE-142.s390-SR4.tgz" elif use ppc ; then JRE_DIST="IBMJava2-JRE-142.ppc.tgz" JRE_DIST_GENTOO="IBMJava2-JRE-142.ppc-SR4.tgz" elif use ppc64 ; then JRE_DIST="IBMJava2-JRE-142.ppc64.tgz" JRE_DIST_GENTOO="IBMJava2-JRE-142.ppc64-SR4.tgz" fi DESCRIPTION="IBM Java Development Kit" HOMEPAGE="http://www-106.ibm.com/developerworks/java/jdk/" SRC_URI="x86? ( IBMJava2-JRE-142-SR4.tgz ) amd64? ( IBMJava2-JRE-AMD64-142.x86_64-SR4.tgz ) ppc? ( IBMJava2-JRE-142.ppc-SR4.tgz ) s390? ( IBMJava2-JRE-142.s390-SR4.tgz ) ppc64? ( IBMJava2-JRE-142.ppc64-SR4.tgz )" ..... PROVIDE="virtual/jre" RESTRICT="fetch" if use ppc; then S="${WORKDIR}/IBMJava2-ppc-142" elif use ppc64; then S="${WORKDIR}/IBMJava2-ppc64-142" elif use amd64; then S="${WORKDIR}/IBMJava2-amd64-142" elif use s390; then S="${WORKDIR}/IBMJava2-s390-142" else S="${WORKDIR}/IBMJava2-142" fi ...