Getting started with merged GCJ

Wed Jan 31 16:44:00 GMT 2007

Tom Tromey wrote:
> Oops... I think I forgot to CC the list on the first try.
>>>>>>> "Jim" == Jim Mayer <jim@pentastich.org> writes:
>> Jim> Caused by: java.lang.ClassNotFoundException:
> Jim> org.objectweb.asm.ClassVisitor not found in
>> Jim> I made the "tools.zip" by running:
> Jim> zip -r /opt/gcc-bootstrap/lib/tools.zip gnu
> Jim> from the "trunk/libjava/tools/classes" directory.
>> You also need the classes from trunk/libjava/tools/asm/
>> Jim> I was happy to see my little "Generic World" program run, though I was a
> Jim> bit shocked at the 41 megabytes (using -static-libgcj, 13 megabytes
> Jim> stripped) executable file:
>> Yeah, -static-libgcj can really hurt.
>> 13M ... I don't know whether that is the expected size or not. I
> basically never make or look at static executables.

Yes, it is. Remove the gui stuff and you're at about 8mb. Remove 
javax.crypto stuff and you're at about 6mb.
Pack it (e.g. upx) and you're at about 2.5mb...
Gcj 4.3 static binaries are at about 2mb bigger than gcj 4.2 binaries. 
The numbers above are from 4.3...
Marco