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Re: Make libgcj.so.9 smaller
- From: "ffileppo" <ffileppo at libero dot it>
- To: "ddaney" <ddaney at avtrex dot com>
- Cc: "java" <java at gcc dot gnu dot org>, "aph" <aph at redhat dot com>
- Date: Fri, 18 Apr 2008 20:38:28 +0200
- Subject: Re: Make libgcj.so.9 smaller
> Andrew Haley wrote:
> > ffileppo wrote:
> >
> >> I compiled gcj for arm using gcc 4.3.0
> >> I see that libgcj.so.9 is very big (about 72MB).
> >
> > 30M after you strip debuginfo.
> >
> >> Which options should I use when configuring to make libgcj.so.9 smaller? I'd like to disable net,awt ecc..
> >> Is there a list of option available for this purpose?
> >
> > It's a difficult problem or it would have been done already. Parts
> > of the essential java code (such as the class loader) depend on
> > networking, for example. The Java library is interconnected in
> > all sorts of interesting places.
> >
> > David Daney has done some work in this area, such as reducing
> > the size of the reflection data.
> >
>
> Right, try hacking up the libgcj Makefile and rebuilding libgcj with
> -freduced-reflection.
>
> Also try -static-libgcj, although with this option you will have to
> force several classes and resource files to be linked manually (see the
> gcc wiki article on -static-libgcj).
>
> David Daney
>
Thanks for your input,
Francesco