[vtk-developers] Python Wrapping fails in master build.

[Andrew Maclean]

Just did a build and I have one failure:
[381/4832] Python Wrapping - generating vtkRungeKutta2Python.cxx
FAILED: Wrapping/Python/vtkRungeKutta2Python.cxx
cmd.exe /C "cd /D
C:\Users\amaclean\Development\Kitware\build\VTK-Release\Wrapping\Python &&
C:\Users\amaclean\Development\Kitware\build\VTK-Release\bin\vtkWrapPython-9.0.exe
@C:/Users/amaclean/Development/Kitware/build/VTK-Release/Wrapping/Python/vtkCommonMathPython.Release.args
-o
C:/Users/amaclean/Development/Kitware/build/VTK-Release/Wrapping/Python/vtkRungeKutta2Python.cxx
C:/Users/amaclean/Development/Kitware/src/VTK/Common/Math/vtkRungeKutta2.h"
Error 13 opening output file
C:/Users/amaclean/Development/Kitware/build/VTK-Release/Wrapping/Python/vtkRungeKutta2Python.cxx:
Permission denied




On Thu, Sep 27, 2018 at 2:23 AM David Cole <DLRdave at aol.com> wrote:

> Is it possible that there might be two custom commands trying to write
> to the same output file, and it only shows up in ninja because it's
> better at parallel builds...?
>
> Or is it absolutely certain that there's a one-rule/one-output-file
> correspondence?
>
>
> David C.
> On Wed, Sep 26, 2018 at 10:58 AM Andras Lasso <lasso at queensu.ca> wrote:
> >
> > > Andras, you used to see similar errors with cmake when it was
> configuring, so I have to ask, have you seen vtkWrapPython itself fail this
> way?
> >
> >
> >
> > I haven’t seen such an issue in the last couple of years.
> >
> >
> >
> > We are building 3D Slicer every night on several computers from scratch.
> It includes full VTK (few-week-old master) and many VTK-based
> Python-wrapped classes. We use Windows10, VS2015 (or VS2017 with VS2015
> toolset). We use Visual Studio generator, don’t use Ninja.
> >
> >
> >
> > Andras
> >
> >
> >
> > From: David Gobbi <david.gobbi at gmail.com>
> > Sent: Wednesday, September 26, 2018 10:48 AM
> > To: Brad King <brad.king at kitware.com>
> > Cc: Andras Lasso <lasso at queensu.ca>; Andrew Maclean <
> andrew.amaclean at gmail.com>; VTK Developers <vtk-developers at vtk.org>
> > Subject: Re: [vtk-developers] Python Wrapping fails in master build.
> >
> >
> >
> > On Wed, Sep 26, 2018 at 8:03 AM Brad King <brad.king at kitware.com> wrote:
> >
> > One could instead write to a temporary/random file name and then
> > rename when finished.  CMake generates most of its files that way.
> >
> >
> >
> > Thanks for the advice (and for taking the time to read this thread.)
> This may
> >
> > be the ultimate solution, though I still want to do some digging to see
> what
> >
> > what magic cl.exe itself uses to avoid this AV interference.
> >
> >
> >
> > For now, though, I'll put together a patch that prints the value of
> errno when
> >
> > fopen() fails.  I'll probably print the result of GetLastError() too,
> since this is
> >
> > a Windows issue.  Hopefully Andrew will be able to see those and report
> on
> >
> > them.
> >
> >
> >
> > Andras, you used to see similar errors with cmake when it was
> configuring,
> >
> > so I have to ask, have you seen vtkWrapPython itself fail this way?  I'm
> still
> >
> > trying to get a feel for how widespread this issue is.
> >
> >
> >
> >  - David
> >
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-- 
___________________________________________
Andrew J. P. Maclean

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