To recompile jpl.c to jpl.dll (for Windows), ensure that JAVA_HOME and PL_HOME are appropriately set in your environment, then run .\build.bat To recompile jpl.c to libjpl.so (for Linux), ensure that JAVA_HOME and PL_HOME are appropriately set in your environment, then run ./build.sh ---- Paul Singleton (paul.singleton@bcs.org.uk) March 2004