cmake HAVE_PT_DENY_ATTACH examples

keepassx/keepassx CMakeLists.txt :194 

check_cxx_source_compiles("#include <sys/types.h>
      #include <sys/ptrace.h>
      int main() { ptrace(PT_DENY_ATTACH, 0, 0, 0); return 0; }"
      HAVE_PT_DENY_ATTACH)

keepassxreboot/keepassxc CMakeLists.txt :601 

check_cxx_source_compiles("#include <sys/types.h>
      #include <sys/ptrace.h>
      int main() { ptrace(PT_DENY_ATTACH, 0, 0, 0); return 0; }"
                HAVE_PT_DENY_ATTACH)