CMAKE_CTEST_COMMAND
Full path to ctest(1) command installed with CMake.
This is the full path to the CTest executable ctest(1) which is useful from custom commands that want to use the cmake(1) -E option for portable system commands.
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Licensed under the BSD 3-clause License.
https://cmake.org/cmake/help/v3.6/variable/CMAKE_CTEST_COMMAND.html