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From "Jordan Justen" <jljus...@gmail.com>
Subject Re: [app] ant with ecj
Date Mon, 28 Aug 2006 03:31:04 GMT
Nathan,

Is there a way to have the javac/ecj task include all of standard harmony
jars without including them in the CLASSPATH environment variable?

Thanks,

-Jordan

On 8/27/06, Nathan Beyer <nbeyer@kc.rr.com> wrote:
>
> Keep in mind that the execution of the Ant scripts and the compilation are
> two separate things, which means they are using two different classpaths.
> If
> the compilation task is complaining about a missing class, then this means
> the class is missing from the classpath of the compiler, not the classpath
> of the executing Ant. You'll need the Eclipse compiler JAR on Ant's
> execution classpath to execute the javac task.
>
> This can be confusing when using the Eclipse compiler, since it doesn't
> have
> any "default" classpath. Normally when you're using 'javac' from a JDK,
> the
> classpath of the underlying JRE (all of the java.*, etc classes) is
> automatically on the classpath. The Eclipse compiler is not part of a JDK,
> so there is nothing on the classpath by default.
>
> -Nathan
>
> > -----Original Message-----
> > From: Jordan Justen [mailto:jljusten@gmail.com]
> > Sent: Sunday, August 27, 2006 8:49 PM
> > To: harmony-dev@incubator.apache.org
> > Subject: Re: [app] ant with ecj
> >
> > Richard,
> >
> > Yes, I also added ecj_3.2.jar to the CLASSPATH.
> >
> > Ant works fine, but the first time a javac task is encountered, the
> > compiler
> > complained that java.lang.Object was not found.  I then added
> > jdk/jre/lib/boot/kernel.jar to CLASSPATH.  Now, I see an error that
> > java.lang.String is not found, so I added luni.jar to CLASSPATH.  etc...
> >
> > Since ant is basically working (mkdir tasks, delete tasks, java tasks
> all
> > seem to work), I think the harmony jvm is loading these "boot" jars, but
> > it
> > seems like when the javac task uses ecj, those jars are not visible.
> >
> > I'm using windows xp, ant 1.6.5, and the latest harmony jdk snapshot.
> >
> > Thanks again,
> >
> > -Jordan
> >
> > On 8/27/06, Richard Liang <richard.liangyx@gmail.com> wrote:
> > >
> > >
> > >
> > > Jordan Justen wrote:
> > > > Hi all.
> > > >
> > > > I'm trying to use ant with the ecj compiler.  I override the
> compiler
> > in
> > > > build.xml like this:
> > > >  <property name="build.compiler" value="
> > > > org.eclipse.jdt.core.JDTCompilerAdapter" />
> > > >
> > > > This will execute the compiler, but I find I have to add each jar
> from
> > > > jdk/jre/lib/boot to CLASSPATH or else ecj won't find the standard
> > > classes
> > > > during compilation.
> > > >
> > > > This is probably user error, and not related to harmony. :)  Does
> > anyone
> > > > know what I might be improperly configuring?
> > > Hello Jordan,
> > >
> > > Do you mean the "build.compiler" property in make/build_java.xml? I
> just
> > > give it a try by 1) overriding the compiler as what you have done 2)
> > > adding C:\harmony\workspace\trunk\depends\jars\ecj_3.2\ecj_3.2.jar
> into
> > > classpath.
> > >
> > > Everything works OK. :-) Could you give more detailed information
> about
> > > this issue? Thanks a lot.
> > >
> > > Best regards,
> > > Richard
> > > >
> > > > Thanks,
> > > >
> > > > -Jordan
> > > >
> > >
> > > --
> > > Richard Liang
> > > China Software Development Lab, IBM
> > >
> > >
> > >
> > > ---------------------------------------------------------------------
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> > > For additional commands, e-mail: harmony-dev-help@incubator.apache.org
> > >
> > >
>
>
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>

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