[CMake] Visual Studio and /STACK

[James Bigler]

My experience mirrored Clint's.  Our version of CMake on the farm was at
2.8.12, but locally developers were at differing versions.  What made
matters worse is that it is a lot harder to diagnose problems from farm
built binaries, so it wasn't until one of the 4 developers looking into
this problem was able to get a local debug build were we able to figure out
it was a stack problem.  At that point, I happened to remember that CMake
modified the default stack size, and with a bit of investigation realized
the flag was missing on newer versions.  Basically I wasn't expecting CMake
versions to be a contributing factor, so it was one of the last things I
looked at.

James


On Fri, Oct 25, 2013 at 1:11 PM, Clinton Stimpson <clinton at elemtech.com>wrote:

> On Friday, October 25, 2013 02:52:45 PM David Cole wrote:
> > > Hmmm... Well that was a not backward compatible way of doing it.
> >
> >  This behavior has existed for a long long time.
> >
> > Sorry for the extra effort you had to expend tracking down a mysterious
> > problem because of this change. I remember having some discussions
> > (probably just verbal, though, I can't find anything in email or bug
> > tracker) about whether this "simple change" should have a policy, and
> > we decided not to because we thought "out of stack space" errors would
> > be relatively easy to identify and correct in projects that require
> > large stack space.
> >
> > Out of curiosity, if you can share details, why did it take so long to
> > identify the problem in your case? (Or was it immediately obvious, and
> > you just took that long to trace it back to a CMake change....?)
> >
>
> If you were curious...
>
> We also ran into this problem with an application.  The error dialog that
> comes up on Windows specifically says stack overflow (at least with a debug
> build).
>
> So for us, it was easy to know that it was a stack overflow problem, but it
> wasn't clear why one developer had it and the others didn't, until we
> traced
> it back to the cmake version.
>
> Clint
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