[CMake] Coverage tests with gcov under Linux

[Bill Hoffman]

John Doe wrote:
> Since this is the fault of cmake, you should perhaps have it set the
> proper locale when the program first begins.  I have never done this,
> but a google search reveals stuff like:
> 
>   std::setlocale(LC_ALL, "En_US");
>   std::fscanf(priceFile,"%lf",&price);
>   // convert $ to DM according to the current exchange rate
>   std::setlocale(LC_ALL,"De_DE");
>   std::strfmon(buf,SZ,"%n",price);
>   std::fprintf(invoiceFile,"%s",buf);
> 

I don't see how that would help me at all?   CMake is parsing the output 
of another program.  If the LC_ALL works, the thing to do would be to 
set LC_ALL to POSIX before ctest runs gcov.

-Bill