cmake HAVE_PROGRAM_INVOCATION_SHORT_NAME examples

google/glog CMakeLists.txt :173 

check_cxx_symbol_exists (program_invocation_short_name cerrno HAVE_PROGRAM_INVOCATION_SHORT_NAME)

lopter/lightsd CMakeScripts/CompatSetProctitle.cmake :44 

CHECK_VARIABLE_EXISTS(
        "program_invocation_short_name" HAVE_PROGRAM_INVOCATION_SHORT_NAME
    )