[CMake] bug in boost library discovery?

[James Sutherland]

Sorry to pester people - I was just hoping that someone could confirm that
they see this issue and/or suggest a fix...?

James


On Thu, Nov 7, 2013 at 11:00 AM, James Sutherland <James.Sutherland at utah.edu
> wrote:

> Hello fellow cmake enthusiasts.
>
> Beginning with a recent CMake update,  find_package( Boost ... ) seems to
> be broken.
>
> Specifically, if I run ccmake, the first configure (press "c") finds the
> boost libraries, but sets "Boost_DIR" to "Boost_DIR-NOTFOUND".  This has
> been the case for many releases of cmake, so I typically ignore that.  The
> second configure (press "c" again), results in all of the boost libraries
> disappearing, and an error being raised.
>
> This also occurs when running cmake (rather than ccmake).  The first time
> I run cmake, things work fine. If I run it again, boost suddenly is not
> found and an error is raised.
>
> This occurs on the following cmake versions/platforms that I have tested:
>
>    - 2.8.11.2 (on debian with boost in /usr)
>    - 2.8.12 (on mac with boost in /usr/local)
>
> It does NOT occur on a few other systems I have access to:
>
>    - 2.8.10.1 (on ubuntu with boost in /usr)
>    - 2.8.11.2 (on mac with boost in /opt/local)  -- note same cmake
>    version as the one that breaks on debian.
>
> If I set the environmental variable CMAKE_PREFIX_PATH to include the
> location of boost, it also fixes the problem.  But this isn't a great
> solution in general.
>
> Has anyone else seen this problem?  Is there a known fix/patch?
>
> Thanks,
>
> James
>
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