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From Matt Benson <gudnabr...@yahoo.com>
Subject Re: <include> behaviour in <javac> changed between ant 1.6.5 and 1.7.0_beta2?
Date Tue, 10 Oct 2006 21:22:23 GMT
Could you distill this down to a smaller example and
submit a report in Bugzilla?

Thanks,
Matt

--- Vlastimil Babka <caster@gentoo.org> wrote:

> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
> 
> Hi,
> 
> I've run into the following problem while compiling
> commons-logging-1.1
> with 1.7.0_beta2:
> 
> - ----START----
> 
> log4j12-warning:
> 
> log4j13-warning:
> 
> logkit-warning:
> 
> jdk1.4-warning:
> 
> avalon-framework-warning:
>      [echo]
>      [echo]     *** WARNING ***
>      [echo]     Avalon-Framework not found: Cannot
> Build AvalonLogger
>      [echo]
> 
> compile-non-log4j:
>     [javac] Compiling 12 source files to
>
/var/tmp/portage/commons-logging-1.1-r1/work/commons-logging-1.1-src/target/classes
>     [javac] ----------
> ...
> 
> compile-1.4:
> 
> warning:
> 
> show-lib-presence:
>      [echo] jdk.1.4.present=true
>      [echo] log4j12.present=true
>      [echo] logkit.present=true
>      [echo]
> avalon-framework.present=${avalon-framework.present}
> 
> compile-log4j12:
>     [javac] Compiling 1 source file to
>
/var/tmp/portage/commons-logging-1.1-r1/work/commons-logging-1.1-src/target/classes
>     [javac] ----------
> ...
> 
> compile-log4j13:
>     [javac] Compiling 1 source file to
>
/var/tmp/portage/commons-logging-1.1-r1/work/commons-logging-1.1-src/target/classes
>     [javac] ----------
>     [javac] 1. ERROR in
>
/var/tmp/portage/commons-logging-1.1-r1/work/commons-logging-1.1-src/src/java/org/apache/commons/logging/impl/AvalonLogger.java
> 
> - ----END----
> 
> This is the relevant part of build.xml:
> 
> - ----START----
> 
>   <target depends="prepare,discovery"
> name="compile-log4j13">
>     <!-- compile the log4j1.3 support classes -->
>     <javac debug="${compile.debug}"
> deprecation="${compile.deprecation}"
> destdir="${build.home}/classes" optimize="${compile
> .optimize}" source="1.3" srcdir="${source.home}"
> target="1.3">
> 
>       <classpath refid="compile.classpath"/>
>       <classpath>
>         <pathelement location="${log4j13.jar}"/>
>       </classpath>
> 
>     <!--
>       - Note: log4j13 support not available in 1.1
> release. However if
> we do add it
>       - in a future release, this entry will pick it
> up. In the
> meantime, this
>       - simply compiles no classes.
>       -->
>       <include if="log4j13.present"
>
name="org/apache/commons/logging/impl/Log4J13Logger.java"/>
>     </javac>
>   </target>
> 
> - ----END----
> 
> And this happens with ant 1.6.5:
> 
> - ----START----
> compile-log4j12:
>     [javac] Compiling 1 source file to
>
/var/tmp/portage/commons-logging-1.1-r1/work/commons-logging-1.1-src/target/classes
>     [javac] ----------
> ...
> 
> compile-log4j13:
> 
> build-jar:
> ...
> BUILD SUCCESSFUL
> 
> - ----END----
> 
> My conclusion is that in 1.6.5, when the only
> <include> fails its "if"
> clause, javac's implicit fileset is presumed empty
> and "opt-in" and
> nothing gets compiled. But in 1.7.0_beta2, failed
> <include> presumes
> implicit fileset is whole srcdir (the fact it only
> compiles
> AvalonLogger.java is probably because everything
> else was compiled in
> previous targets).
> 
> Not sure which behaviour is more correct, i.e. if
> the difference is a
> bug or feature. If it's a feature, I think it should
> be documented in
> changelog, preferably the "Changes that could break
> older environments"
> part (unless I'm blind and missing it somewhere :)
> 
> Regards
> 
> - --
> Vlastimil Babka (Caster)
> Gentoo/Java
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> Comment: Using GnuPG with Mozilla -
> http://enigmail.mozdev.org
> 
>
iD8DBQFFLA4ltbrAj05h3oQRAhwXAKCHpxLbz369PLIj/PI7vfc7Zji+0ACdHWr/
> Jq0+CoQuYbADmSjE/6WJqnI=
> =kTyT
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> 
>
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