tree 2df2c341562c7fedc27b7b2d44c97e77bd90593a
parent 49300f2ade6a6ad9b19957b1fce41fccfe1246a3
author David Gibson <david@gibson.dropbear.id.au> 1488762375 +1100
committer David Gibson <david@gibson.dropbear.id.au> 1488762375 +1100

Clean up gcc attributes

We have a number of explicit __GNUC__ conditionals to tell if we want to
use some gcc extensions for extra warnings.  This cleans this up to use
a single conditional, defining convenience macros for those attributes.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>