[CMake] how to add 2 numbers with cmake ?

[Filipe Sousa]

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Gaetan Lehmann wrote:
> Hi,
> 
> I'm sure it's obvious for everybody here, but I can't find how to add 2  
> numbers with cmake.
> Can someone show me how to do that ?
> 
> Thanks,
> 
> Gaetan
> 

fsousa at neptuno ~ $ cmake --help-command MATH
cmake version 2.3-20060119
  MATH
       Mathematical expressions.

         MATH(EXPR <output variable> <math expression>)

       EXPR evaluates mathematical expression and return result in the
output
       variable.  Example mathematical expression is '5 * ( 10 + 13 )'.

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