On Sun, 2009-11-15 at 05:11 -0700, John Denker wrote:

> 
> 2) The following observations may be useful, even though they
>  don't directly respond to the question that was asked.
>  Squeeze (at the moment at least) is providing boost 1.35 
>  which in turn provides
>     /usr/include/c++/4.3/unordered_map
>     /usr/include/c++/4.3/debug/unordered_map
>     /usr/include/c++/4.3/tr1/unordered_map
>     /usr/include/c++/4.3/tr1_impl/unordered_map
> 
>  On the other hand, trying to compile simgear on Debian
>  squeeze fails.  So apparently something higher than 1.35
>  is required ... and simply checking for the aforementioned
>  files is not a sensitive test.  I note that Effect.hxx is
>  trying to include boost/unordered_map.hpp as opposed to
>  tr1/unordered_map, so we are not surprised that the check
>  is not sensitive.  If the code could be rewritten to use
>  tr1/unordered_map, then perhaps users could get by with 
>  boost 1.35 or even less ... which would be a Good Thing.
>  Introducing additional dependencies into FGFS makes 
>  extra work for a lot of people.
> 
I am running Squeeze and the current version of boost is 1.40,
providing /usr/include/boost/unordered_map.hpp.
SimGear compiles for me without problem.

Alasdair



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