[fedora-java] Using the natively-built Eclipse compiler

[Thomas Fitzsimmons]

On Sun, 2005-03-06 at 02:42 -0800, Anthony Green wrote:
> ant and javac aren't currently using the natively-built Eclipse
> compiler.
> 

javac in the latest java-gcj-compat does use the natively-built compiler
actually, but it uses the old ABI and the gcjlib:// class loading
mechanism.  This patch is a better idea so I'll use it instead.  Note
that these changes wouldn't be required if we had a system-wide dbtool
database.  We really need to get support for this into libgcj's
configury.

Tom

> We need to add something like the following to /usr/bin/ant in order to
> pick up the .so files:
> 
> # diff -c /usr/bin/ant~ /usr/bin/ant
> *** /usr/bin/ant~       2005-03-05 13:13:05.000000000 -0800
> --- /usr/bin/ant        2005-03-06 02:19:55.000000000 -0800
> ***************
> *** 230,235 ****
> --- 230,236 ----
>   if $JAVACMD -version 2>&1 | grep -q "gcj"; then
>     if [ -f /usr/share/java/jdtcore.jar ]; then
>       LOCALCLASSPATH="$LOCALCLASSPATH:/usr/share/java/jdtcore.jar"
> +     ANT_OPTS="$ANT_OPTS -Dgnu.gcj.precompiled.db.path=/usr/lib/eclipse/eclipse.db"
>     fi
>   fi
> 
> (and something similar to java-gcj-compat's javac.in, see attached patch)
> 
> This will shave minutes off of the build times for some packages.
> 
> I forget what the plan is wrt the db.  Maybe we'll have a global one. 
> In any case, this will do in the meanwhile.
> 
> (gbenson: could you please stick the above in apache-ant-javac-ecj.patch?  This is 
>  where we really need it - thanks!)
> 
> AG
> 
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