[vtkusers] VTK-6.1 and Visual Studio 2013 on VirtualBox

[David Gobbi]

This might be a silly question, but has this VS2013 installation built
anything
other than VTK?  Check the file CMakeFiles/CMakeError.log, it might provide
some clues (e.g. maybe a TryCompile failed when it shouldn't have.)

 - David

On Thu, Apr 2, 2015 at 2:54 PM, Philippe Bouttefroy <pbouttefroy at nvidia.com>
wrote:

> Hi David, hi Ben,
>
> Thanks for looking into the issue! Unfortunately, CMake 2.8.12 did not
> resolve my issue. I can send the CMake output, if you would like.
>
> However, what I observed is that the first errors that I get with VS2013
> is that it is looking for <iostream.h> instead of <iostream> (in
> /build/Utilities/KWSys/ios/iostream) because vtksys_IOS_USE_ANSI is not
> set. Furthermore, CMake outputs:
> "Checking whether ANSI stream headers are available - no". I would have
> expected "yes" instead. I tried to dig into how the value was determined
> but could not figure it out.
>
> Do you have any clue on whether this is the root cause of my issue? Any
> idea on how to debug this?
>
> Again, thanks for your time!
>
> Best,
> Philippe
>
> -----Original Message-----
> From: Ben Boeckel [mailto:ben.boeckel at kitware.com]
> Sent: Thursday, April 02, 2015 1:49 PM
> To: David Gobbi
> Cc: Philippe Bouttefroy; vtkusers at vtk.org
> Subject: Re: [vtkusers] VTK-6.1 and Visual Studio 2013 on VirtualBox
>
> On Thu, Apr 02, 2015 at 12:50:10 -0600, David Gobbi wrote:
> > Hi Philippe,
> >
> > Around a year ago, I did a 64-bit build of VTK 6.1 (or thereabouts)
> > with Visual Studio 2013 Express on Win7-64 running on VirtualBox.  I
> > didn't run into any errors like the one you describe above.
> >
> >
> > I suspect that all the errors are related to this:
> >
> >   CMake Warning (dev) at Utilities/KWSys/vtksys/CMakeLists.txt:264
> >   (CONFIGURE_FILE):
> >     configure_file called with unknown argument(s): COPY_ONLY
> >
> > You're using a version of CMake 3.x that expects cmake files to use
> > COPYONLY instead of the older COPY_ONLY.  Try cmake 2.8.12, and I bet
> > the problem will disappear.
>
> This isn't an error but a warning. CMake 3 is informing that COPY_ONLY is
> no longer supported.
>
> > Does anyone else know why CMake 3 would be giving this error?  It
> > seems like a nasty bit of backwards-incompatibility.
>
> The real problems are probably pointed out by CMP0054. Places which
> check:
>
>     set(compiler "MSVC")
>     if (compiler STREQUAL "MSVC")
>
> turn into:
>
>     if (MSVC STREQUAL 1)
>
> and are therefore *false* because MSVC is defined as "1" with it and not
> defined otherwise and "if" automatically dereferences. The new behavior is
> that quoted strings are not considered for automatic expansion thereby
> pointing out probable errors in the previous code. My guess is that MSVC
> detection needed is being skipped somewhere because of the bugs pointed out
> (*not* caused) by CMP0054.
>
> --Ben
>
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