[Insight-developers] compilation error with msvc 8.0

[Arnaud Gelas]

Brad,

We were in the case 1) and we wrongly assumed that was also fixed for
previous versions of microsoft visual studio.

We are now recompiling by turning OFF CMAKE_USE_RELATIVE_PATHS.

Thanks for the link with respect to the VS 10 issues, interesting to learn
about it!

Thanks,
Arnaud

On Mon, Jun 18, 2012 at 5:00 PM, Brad King <brad.king at kitware.com> wrote:

> On 06/18/2012 09:40 AM, Arnaud Gelas wrote:
> >
> http://www.itk.org/pipermail/insight-developers/2011-March/017812.html
> >
> > These errors occurred with a recent version of cmake (2.8.8), so I am a
> > little confused here.
>
> The underlying problem is that VS does this with a relative path:
>
>
>  c:\path\to\directory\with\project\file\..\..\..\relative\path\on\top\of\that\to\source.cpp
>
> and then fails when the total string is over 250 characters or so
> even though the collapsed full path would be well under the limit.
>
> This is only a problem when CMake stores relative paths in the
> project files, but we normally prefer full paths.  AFAIK for
> VS 8 CMake stores relative paths under only two circumstances:
>
> (1) The unsupported option CMAKE_USE_RELATIVE_PATHS is on.
>
> (2) The sequence of "..\" is not long enough to escape the
>    top-level of the build tree (CMAKE_BINARY_DIR).
>
> Is either of these the case for your build?
>
> ----------------------------------------------------------------------
> FYI, the fix referenced in the thread you linked was for VS 10 only:
>
>  http://cmake.org/gitweb?p=cmake.git;a=commitdiff;h=ed0075bd
>
> There is a lot more to it as covered here:
>
>  http://www.cmake.org/Bug/view.php?id=12570
>
> but that should not affect VS 8.  There is extra trouble with VS 10
> because it has one bug for relative paths and another bug for full
> paths.
>
> -Brad
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://www.itk.org/pipermail/insight-developers/attachments/20120618/bf914435/attachment.htm>