[FFmpeg-cvslog] r21522 - trunk/configure

[Carl Eugen Hoyos]

mru <subversion <at> mplayerhq.hu> writes:

> Author: mru
> Date: Fri Jan 29 04:26:12 2010
> New Revision: 21522
> 
> Log:
> Check for may_alias gcc attribute support

> +check_cc <<EOF && enable attribute_may_alias
> +union { int x; } __attribute__((may_alias)) x;
> +EOF

How is this supposed to work?
On all compilers I tested (gcc 2.95.3, icc 11.1), attribute may_alias is not
supported, but configure happily reports it's working.

Carl Eugen