[FFmpeg-cvslog] r21522 - trunk/configure

[Måns Rullgård]

Carl Eugen Hoyos <cehoyos at ag.or.at> writes:

> 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.

Then the compiler is silently ignoring it, and no harm is done.

-- 
M?ns Rullg?rd
mans at mansr.com