Re: FAQ Update

[Tom Tromey <tromey at cygnus dot com>]

>>>>> "Jeff" == Jeff Sturm <jsturm@sigma6.com> writes:

Jeff> I don't know exactly how gcj resolves classes (I haven't
Jeff> examined the code closely) but it seems to favor .class files in
Jeff> the CLASSPATH, if any...  otherwise it will use the source
Jeff> (.java), also in the CLASSPATH.  If it can't find either it
Jeff> throws an error.

That's right, but it also checks to see if the class is newer than the
.java file.  See find_class() in jcf-io.c.  There is some
path-scanning code in parse.c (read_import_dir()), too, but I don't
know what it is used for.

Here is a comment from jcf-path.c explaining how classpath options are
used:

/* We support several different ways to set the class path.

   built-in system directory (only libgcj.zip)
   CLASSPATH environment variable
   -CLASSPATH overrides CLASSPATH
   -classpath option - overrides CLASSPATH, -CLASSPATH, and built-in
   -I prepends path to list

   We implement this by keeping several path lists, and then simply
   ignoring the ones which are not relevant.  */


HTH,
Tom