mohammed hegazy wrote: i want to ask a question about gcj output binary ,is the binary > depends on the jre You'll still need libgcj, the Java runtime library, unless you precompile everything and link the whole lot statically. > or the jre can be removed , and about the CLASSPATH variable , is it > must set? , and if the compilation is used with static linking if in > this case , the dependent jar libraries could be removed or not ?. They could be, yes, but it's trick and you'll end up with a very large executable. The trick is to compile all the libraries into .a files and then like them all together with --whole-archive. There are more subtle ways to do it, but this will usually work. Andrew.
