Add compilation support for clang on Linux and FreeBSD.
clang is the default compiler on FreeBSD 10.
Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
Tested-by: Zhaochen Zhan <zhaochen.zhan@intel.com>
[Thomas: update comments]
Acked-by: Thomas Monjalon <thomas.monjalon@6wind.com>
