I think the "CMAKE_COMPILER" variable you're referring to is just a custom variable passed to your external project, which it uses to build the standard variables "CMAKE_C_COMPILER" & "CMAKE_CXX_COMPILER". This is why your not finding anything.
Have a look at these pages http://www.cmake.org/Wiki/CMake_Cross_Compiling#Setting_up_the_system_and_toolchain http://www.cmake.org/Wiki/CMake_Useful_Variables On Sat, Jun 7, 2014 at 6:30 AM, Michael Enright <michael.enri...@gmail.com> wrote: > 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? > > > > > -- > > Powered by www.kitware.com > > Please keep messages on-topic and check the CMake FAQ at: > http://www.cmake.org/Wiki/CMake_FAQ > > Kitware offers various services to support the CMake community. For more > information on each offering, please visit: > > CMake Support: http://cmake.org/cmake/help/support.html > CMake Consulting: http://cmake.org/cmake/help/consulting.html > CMake Training Courses: http://cmake.org/cmake/help/training.html > > Visit other Kitware open-source projects at > http://www.kitware.com/opensource/opensource.html > > Follow this link to subscribe/unsubscribe: > http://www.cmake.org/mailman/listinfo/cmake >
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