cmake HAVE_STEADY_CLOCK examples

maplibre/maplibre-native vendor/benchmark.cmake :28

target_compile_definitions(
    mbgl-vendor-benchmark
    PRIVATE HAVE_STEADY_CLOCK
)

ByConity/ByConity contrib/libhdfs3-open-cmake/CMake/Options.cmake :37

TRY_COMPILE(HAVE_STEADY_CLOCK
	${CMAKE_CURRENT_BINARY_DIR}
	"${HDFS3_ROOT_DIR}/CMake/CMakeTestCompileSteadyClock.cpp"
    CMAKE_FLAGS "-DCMAKE_CXX_LINK_EXECUTABLE='echo not linking now...'"
	OUTPUT_VARIABLE OUTPUT)