Michael Kruse 3d0266b664 [cmake] Avoid warnings in feature tests. NFC.
Apply the __attribute__((unused)) before the function to unambiguously apply to
the function declaration.

Add more casts-to-void to mark return values unused as intended.

Contributed-by: Andy Gibbs <andyg1001@hotmail.co.uk>
llvm-svn: 284718
2016-10-20 11:16:19 +00:00
..
2016-09-02 06:33:33 +00:00