Hello. Sorry if this is the wrong list for this sort of thing. I'm seeing something which may be a bug. OTOH, I may be misunderstanding how parallel is supposed to work (I'm used to GNU make's parallel build, which correctly computes closure and executes dependencies at most once per build, even in parallel mode).
I don't want to submit this to Bugzilla if I'm just misunderstanding how ant is supposed to work.
I'm using ant 4.1. I have a build file containing the following:
<!-- execute the given ${target} on all sub projects -->
<target name="all-projects">
<parallel>
<antcall target="httpclient"/>
<antcall target="junit"/>
<antcall target="log4j"/>
<antcall target="xerces"/>
</parallel>
</target> <target name="junit">
<echo>building junit, target ${target}</echo>
<ant dir="junit" target="${target}"/>
</target> <target name="log4j" depends="junit">
<ant dir="log4j" target="${target}"/>
</target> <target name="xerces" depends="junit">
<ant dir="xerces" target="${target}"/>
</target> <target name="httpclient" depends="log4j">
<echo>building httpclient, target ${target}</echo>
<ant dir="httpclient" target="${target}"/>
</target>
When I use this version, the presence of <parallel> causes the junit target to be executed 4 times. Without parallel, it's only executed once (as expected).
Here's an excerpt from the ant log (using parallel):
[javac] Compiling 86 source files to E:\r7\src\3rdparty\junit\junit\_DEBUG\build
[javac] Compiling 86 source files to E:\r7\src\3rdparty\junit\junit\_DEBUG\build
[javac] Compiling 86 source files to E:\r7\src\3rdparty\junit\junit\_DEBUG\build
[javac] Compiling 86 source files to E:\r7\src\3rdparty\junit\junit\_DEBUG\build
When I remove the <parallel>, the junit target gets executed a maximum of one time (as desired).
Thanks,
Chad
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