[vtk-developers] dashboard failure with Java wrapping and Obj-C++?

[David Gobbi]

On Fri, Apr 13, 2012 at 10:48 AM, David Gobbi <david.gobbi at gmail.com> wrote:
> On Fri, Apr 13, 2012 at 9:18 AM, Marcus D. Hanwell
> <marcus.hanwell at kitware.com> wrote:
>
>> That looks like the parallel build issues we have been seeing. You
>> could confirm by running make in that build tree a second time, this
>> was fragile and I think modularization has caused some of the duct
>> tape to fray. We would appreciate help if anyone knows the Java
>> wrapping/parallel build issues.
>
> I located this previous fix for the java parallel build issue.  I'm
> not 100% certain what the problem was.
> http://vtk.org/gitweb?p=VTK.git;a=commit;h=875f8232

I suspect that part of the problem is that for several of the java
add_custom_command lines in Wrapping/Java/CMakeLists.txt
(and perhaps elsewhere), the OUTPUTS does not match the
actual location of the output file generated by javac.  Someone
should go through the cmake files and verify that each one of
these custom commands is correct.

This would explain another problem that I've seen with the
java compile: sometimes when I do "make", I see java files
being compiled that have nothing to do with the changes that
I've made.  Pointless re-execution of commands suggests
that the OUTPUTS file wasn't actually generated (or was
generated, but put in the wrong directory).

 - David