cmake HAVE_CLOCK_GETTIME_RUN examples

InsightSoftwareConsortium/ITK Modules/ThirdParty/MINC/src/libminc/CMakeLists.txt :171 

TRY_RUN(HAVE_CLOCK_GETTIME_RUN HAVE_CLOCK_GETTIME_COMP
            ${CMAKE_CURRENT_BINARY_DIR}
            ${CMAKE_CURRENT_SOURCE_DIR}/check_clock_gettime.c
            )