arichardson c7f1f595d8 Don't rebuild ioctl.c and relink libsysdecode if there are no changes
Instead generate a temporary file and only overwrite ioctl.c if the
files are actually different.

Approved By:	jhb (mentor)
2018-08-20 10:59:49 +00:00
..
2017-03-15 16:13:52 +00:00