I've got an External_Project_Add in my superbuild that adds a CMake-built library to the build. It attempts to use the CMAKE_COMPILER variable in order to define CMAKE_C_COMPILER for this library's build.
This external project's build is flakey. I intend to diagnose this myself so I don't plan to supply a reduction or anything like that, I'm just trying to gather information. To that end, I need an authoritative definition of CMAKE_COMPILER, i.e. I have been searching for a web page where CMAKE_COMPILER is described. Apart from googling I have also just manually reviewed http://www.cmake.org/cmake/help/cmake2.6docs.html and http://www.cmake.org/cmake/help/v2.8.12/cmake.html Neither of those contain the string "CMAKE_COMPILER" except as substrings of other names such as CMAKE_COMPILER_2005. Can anyone provide a link or say anything about this variable?
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