statically linked executable size

Mon Jul 3 10:45:00 GMT 2006

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Andrew Haley wrote:
> Ranjit Mathew writes:
> > 
> > There are so many classes whose presence in the executable is
> > something that I cannot readily account for - for example, why
> > is javax.swing.JToolBar needed to print "Hello World" on the
> > console?
>> This one comes up every once in a while, and there's a technique for
> finding out.
>> $ gcj -static Hello.java --main=Hello -Wl,-Map,Hello.map

Thanks. I don't know why I didn't remember to use this.
What seems to happen is that we have java.lang.SecurityManager
that directly uses java.awt.AWTPermission. This means that the
object file for the *entire* java.awt package gets pulled in,
since we compile a package at a time, which leads to a whole
lot of new references that need to be satisfied and so on
ad nauseum.
Now I can see how JToolBar gets pulled in.
Thanks,
Ranjit.
- --
Ranjit Mathew Email: rmathew AT gmail DOT com
Bangalore, INDIA. Web: http://rmathew.com/
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