Hello, CentOS 6 seems to contain everything needed to build app_java except libgcj-4.7. It does contain libgcj-4.4 and by changing the Makefile I have been able to get app_java to compile cleanly. Specifically: - I changed JAVA_HOME to point to /usr/lib/jvm/java-gcj - I change the pkg-config calls to look for libgcj-4.4 instead of libgcj-4.7 - I added the full path (not the same as JAVA_HOME) to libjvm.so (/usr/lib/jvm/java-1.5.0-gcj-1.5.0.0/jre/lib/x86_64/server) to LIBS Are there any Makefile gurus out there who can help update this Makefile so that app_java can be built for CentOS and not break it for other systems (with different libgcj versions, paths to libraries, etc)? Regards, Peter -- Peter Dunkley Technical Director Crocodile RCS Ltd