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Pruning libgcj

From: Andrew Haley <aph at redhat dot com>
To: Øyvind Harboe <oyvind dot harboe at zylin dot com>
Cc: <java at gcc dot gnu dot org>
Date: Thu, 27 Feb 2003 14:08:42 +0000 (GMT)
Subject: Pruning libgcj
References: <41D1051F31A2674C99E41CA28EE734980A1FA9@isp-ex2k.intellimade.net>

=?iso-8859-1?Q?=D8yvind=5FHarboe?= writes:
 > How can GCJ not to link with libgcj?
 > 
 > I was toying with the idea of using something like jclassinfo from sourceforge to list all the
 > class files required starting at --main and then compiling only those. I'm expecting that
 > this should discover almost all the classes required for the build.

It won't.

The linker already only links in classes for which there is a direct
reference in your program or libgcj startup.  If you use the command
-Wl,-Map,myprog.map command while building your program you'll see how
this works.

 > libgcj seems to be precompiled and pulled inn during link-time,

No, only the parts that are referenced.

Andrew.

References:
- Pruning libgcj
  - From: Øyvind Harboe

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