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From Matt Benson <gudnabr...@yahoo.com>
Subject RE: OS-specific execution of any element requested
Date Fri, 20 Sep 2002 13:21:13 GMT
Or making all the targets dependencies and relying on
if/unless to stop the wrong ones from executing is
probably the intended way, as opposed to <antcall>
which is nice for more dynamic things.

-Matt

--- EXT / FOCAL MALAPRADE Roland
<ext.focal.malaprade@sncf.fr> wrote:
> you could use a <condition> as such:
> 
>   <condition property="isWindows">
>       <os family="windows" />
>   </condition>
> 
> with a PatternSet. i.e.:
> 
> <patternset id="sources" >
>   <include name="files" if="isWindows"/>
> </patternset>
> 
> and then call a target as such:
> 
> <target name="fooWindows" if="isWindows"/>
> 
> if you make one target per os, and call all of them
> with an <antcall>, the
> right one should get called.
> 
> Roland
> 
> 
> 
> -----Message d'origine-----
> De : Markus Kramer [mailto:Markus.Kramer@mpi.nl]
> Envoye : vendredi 20 septembre 2002 12:53
> A : ant-user@jakarta.apache.org
> Objet : OS-specific execution of any element
> requested
> 
> 
> I don't see a way to constrain elements of a java
> target to the
> operating system.
> This leads to "Copy and Paste" java targets, one for
> each OS, which is a
> bad thing.
> The following does not work, but it would be nice to
> have, I think.
> I propose that *each* element can have a os
> attribute.
> Below, there are three offending os="windows"
> attributes at the jvmarg
> and the pathelement elements.
> The meaning of a jvmarg element with an os="windows"
> attributes would be
> that its only regarded when on Win32.
> 
>   <java classname="foo.bar.Main"
>         fork="yes" >
>  <arg value="${eaffile}"/>
>  <jvmarg value="-Djava.ext.dirs=${src}/java.ext.dir"
> />
>  <jvmarg
> value="-Djava.library.path=${src}/jmf__Vwin2.1.1a" /
> os="windows">
>     <jvmarg value="${jvmarg}"/>
>     <classpath refid="extpacFooBar"/>
>     <classpath>
>       <pathelement location="${build}"/>
>       <pathelement
> location="${src}/mpi/lib/jmf__Vwin2.1.1a/jmf.jar"/
> os="windows">
>       <pathelement
> location="${src}/mpi/lib/jmf__Vwin2.1.1a/sound.jar"/
> os="windows">
>     </classpath>
>   </java>
> 
> The same is true for OS-specific build pargets.
> Does Ant provide a workaround?
> 
> best
> -Markus
> 
> 
> 
> 
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