cmake _HAVE_VAR examples

RasPlex/OpenPHT plex/CMakeModules/CheckSystemFunctions.cmake :60 

string(TOUPPER ${_HAVE_VAR} _HAVE_VAR)

RasPlex/OpenPHT plex/CMakeModules/CheckSystemFunctions.cmake :61 

check_function_exists(${func} ${_HAVE_VAR})

RasPlex/OpenPHT plex/CMakeModules/CheckSystemIncludes.cmake :48 

string(TOUPPER ${_HAVE_VAR} _HAVE_VAR)

RasPlex/OpenPHT plex/CMakeModules/CheckSystemIncludes.cmake :49 

string(REPLACE "/" "_" _HAVE_VAR ${_HAVE_VAR})

RasPlex/OpenPHT plex/CMakeModules/CheckSystemIncludes.cmake :50 

check_include_files(${header}.h ${_HAVE_VAR})

RasPlex/OpenPHT plex/CMakeModules/CMakeFunctions.cmake :194 

string(TOUPPER ${_HAVE_VAR} _HAVE_VAR)

RasPlex/OpenPHT plex/CMakeModules/CMakeFunctions.cmake :195 

string(REPLACE "/" "_" _HAVE_VAR ${_HAVE_VAR})

RasPlex/OpenPHT plex/CMakeModules/CMakeFunctions.cmake :196 

string(REPLACE ".H" "" _HAVE_VAR ${_HAVE_VAR})

RasPlex/OpenPHT plex/CMakeModules/CMakeFunctions.cmake :202 

find_path(_${_HAVE_VAR} NAMES ${header} HINTS ${hintpath})

RasPlex/OpenPHT plex/CMakeModules/CMakeFunctions.cmake :203 

get_property(v VARIABLE PROPERTY _${_HAVE_VAR})

RasPlex/OpenPHT plex/CMakeModules/CMakeFunctions.cmake :207 

mark_as_advanced(FORCE ${_HAVE_VAR})