[cmake-developers] [PATCH] Fix CMAKE_Fortran_PLATFORM_ID on mingw-w64

[Melven.Roehrig-Zoellner at dlr.de]

After thinking about my patch I worried it could break other compilers.
So, here is a more defensive version that shouldn't interfere with anything else.

Explanation:
CMAKE_Fortran_COMPILER_ID was correctly set to "GNU";
If CMAKE_Fortran_PLATFORM_IS is missing, run gfortran with a C file
-> fallback to C which has appropriate preprocessor definitions to recognize MINGW.

Regards
Melven

--------------------------
Deutsches Zentrum für Luft- und Raumfahrt e.V. (DLR) German Aerospace Center Simulation and Software Technology | Linder Hoehe | 51147 Cologne | Germany

Melven Röhrig-Zöllner
Telephone +492203 / 601 - 2574
www.DLR.de



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