[vtkusers] Java errors

[Mathieu Malaterre]

On Fri, May 21, 2010 at 3:42 PM, Jeff Baumes <jeff.baumes at kitware.com> wrote:
> On Fri, May 14, 2010 at 11:29 PM, David Doria <daviddoria+vtk at gmail.com> wrote:
>> I tried building with Java wrapping enabled for the first time and am
>> getting a whole bunch of errors:
>>
>> [ 27%] Building CXX object
>> Graphics/CMakeFiles/vtkGraphicsJava.dir/vtkJavaProgrammableFilter.cxx.o
>> In file included from
>> /home/doriad/src/VTK/Graphics/vtkJavaProgrammableFilter.cxx:25:
>> /home/doriad/src/VTK/Graphics/vtkJVMManager.h:34: error:
>> ‘jvariant::jvariant(jbyte)’ cannot be overloaded
>> /home/doriad/src/VTK/Graphics/vtkJVMManager.h:33: error: with
>> ‘jvariant::jvariant(jboolean)’
>>
>> /home/doriad/src/VTK/Graphics/vtkJavaProgrammableFilter.cxx:156:
>> error: conversion from ‘jvariant’ to ‘jboolean’ is ambiguous
>>
>> Does anyone know if these mean that there is something wrong with my
>> Java installation/environment, or if it is actually a VTK error?
>
> This has been seen before, and was confirmed as a bug in gcj:
>
> http://www.vtk.org/pipermail/vtk-developers/2009-July/006139.html
>
> A cmake try-compile could potentially detect whether the jboolean
> signature is needed, and conditionally compile it. The other solution
> is to use a different version of Java.

This is fixed upstream FYI

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40816

-- 
Mathieu