[m-rev.] diff: FreeBSD compatibility.

[Paul Bone]

On Wed, May 08, 2013 at 02:19:54PM +1000, Julien Fischer wrote:
>
>
> On Wed, 8 May 2013, Paul Bone wrote:
>
>> On Wed, May 08, 2013 at 02:07:06PM +1000, Julien Fischer wrote:
>>>> +Mercury on FreeBSD
>>>> +==================
>>>> +
>>>> +GCC 4.2.1 Compatibility
>>>> +-----------------------
>>>> +
>>>> +Depending on your grade configuration Mercury may work out-of-the-box on
>>>> +FreeBSD 9.1.  However if you use a decldebug grade it is possible to hang
>>>
>>> Is the only problem here that the decldebug grades don't work with GCC
>>> 4.2.1?  If so, you should just say the following:
>>>
>>>     The default version of GCC (version 4.2.1) miscompiles code
>>>     generated by Mercury's decldebug grade.  This causes programs using
>>>     that grade to sometimes hang.  Installing GCC 4.4.7 ... etc etc
>>>
>>
>> I'm not sure which grades are affected, I only know for certain that
>> decldebug is definitly affected.
>
> In that case, just say:
>
>    The default version of GCC (version 4.2.1) miscompiles C code generated
>    by the Mercury compiler.  ...

Okay, but I'll have to make my meaning clearer as it's gcc that locks up,
not the resulting program.

>> My FreeBSD machine is slower than I remember so testing takes a while :-(
>
> Is your FreeBSD machine i686 or x86_64?  (Looking through configure it  
> looks like we don't support the later for any of the BSDs?)
>

It's x86_64, I didn't even consider i686


-- 
Paul Bone
http://www.bone.id.au