[CMake] How do you determine what compiler is being used?

[Bartlett, Roscoe A]

Hello,

How can determine what general type of compiler is being used?  For example, how can we determine if our project is being configured to use the Sun CC compiler?  In C++ code I can just check for the define __sun but how can I get this info in my CMakeLists.txt file?  I could use try_compile(...) to figure this out but is there already a way to do this?

- Ross


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