1 #include "stdio.h"
2 #ifdef CMAKE_HAS_X
3 
4 #  include <X11/Xlib.h>
5 #  include <X11/Xutil.h>
6 
main()7 int main()
8 {
9   printf("There is X on this computer\n");
10   return 0;
11 }
12 
13 #else
14 
main()15 int main()
16 {
17   printf("No X on this computer\n");
18   return 0;
19 }
20 
21 #endif
22