[CMake] How to determine the compiler used outside of cmake

[Miller, Frank]

Greetings,

Given a configured build tree, I would like to determine the c++ compiler used without reconfiguring. I expected the CMAKE_CXX_COMPILER variable would be in the CMakeCache.txt but I was wrong. I tried to run a simple cmake script with 'cmake -P' and print the value of CMAKE_CXX_COMPILER but that does not work. I found the value in 'CMakeFiles/2.8.10.20130415/CMakeCXXCompiler.cmake', so I have a workaround, but that smells like the wrong solution. Does anyone know of a better way?

Thanks as always,

Frank



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