date / time of file doesn't change on new compile ?

[remisharrock]

With the demo
http://s-macke.github.io/jor1k/demos/compile.html
When I modify the file and hit compile and run multiple times, it keeps the first creation date/time for the source file.
You can see here that the binary is more recent than the source. If I change the source and recompile, it won't change the date/time:

ls -el                                                                      
total 7                                                                         
-rw-r--r--    1 user     user           231 Sun Dec  4 20:30:02 2016 prog.c     
-rwxr-xr-x    1 user     user          6318 Sun Dec  4 20:31:04 2016 program