cmake HAVE_FUNCTION_MACRO examples

TheAssemblyArmada/Thyme cmake/modules/CurrentFunction.cmake :11 

check_symbol_exists(__FUNCTION__ "" HAVE_FUNCTION_MACRO)

TheAssemblyArmada/Thyme deps/baseconfig/CMakeLists.txt :167 

check_symbol_exists(__FUNCTION__ "" HAVE_FUNCTION_MACRO)