cmake HAVE_ROUND examples

Lewuathe/mlir-hello thirdparty/llvm-project/lldb/cmake/modules/LLDBConfig.cmake :138 

add_definitions( -DHAVE_ROUND )

InsightSoftwareConsortium/ITK Modules/ThirdParty/MINC/src/libminc/CMakeLists.txt :149 

CHECK_SYMBOL_EXISTS(round    "math.h" HAVE_ROUND)

Illumina/manta src/cmake/cxxConfigure.cmake :41 

check_function_exists(round  HAVE_ROUND)

fligger/FateInjector wxWidgets-3.2.0/build/cmake/setup.cmake :580 

check_cxx_symbol_exists(round math.h HAVE_ROUND)

drowe67/codec2-dev CMakeLists.txt :166 

check_symbol_exists(round  math.h   HAVE_ROUND)