[FFmpeg-devel] [PATCH] Fix big/little endian check in configure (broken on Mac OS X)

[Måns Rullgård]

Patrice Bensoussan <patrice.bensoussan at free.fr> writes:

> On 13 Mar 2008, at 22:59, M?ns Rullg?rd wrote:
>
>> Patrice Bensoussan <patrice.bensoussan at free.fr> writes:
>>
>>> On 13 Mar 2008, at 22:35, M?ns Rullg?rd wrote:
>>>
>>>> Patrice Bensoussan <patrice.bensoussan at free.fr> writes:
>>>>
>>>>> Hello,
>>>>>
>>>>> It seems the endian check in configure has been broken on Mac OS X
>>>>> (tr
>>>>> doesn't seem to like binary files). Here is a fix which should
>>>>> hopefully work everywhere...
>>>>>
>>>>> Patrice
>>>>>
>>>>> Index: configure
>>>>> ===================================================================
>>>>> --- configure   (revision 12435)
>>>>> +++ configure   (working copy)
>>>>> @@ -1563,9 +1563,9 @@
>>>>> # ---
>>>>> # big/little-endian test
>>>>> check_cc <<EOF || die "endian test failed"
>>>>> -unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
>>>>> +unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8;
>>>>> EOF
>>>>> -tr -c -d BIGE < $TMPO | grep -q BIGE && enable bigendian
>>>>> +strings -n 3 $TMPO | grep -q BIG && enable bigendian
>>>>
>>>> It used to be like that, and broke horribly on some systems.
>>>
>>> Do you remember what was the issue? (btw sorry, I missed the related
>>> thread on solaris, altough grep seems to be the issue and not tr as  
>>> on
>>> Mac OS X).
>>
>> It was something about strings only printing things that looked like
>> actual null-terminated strings.
>>
>> Anyhow, I've committed an alternate fix.  Please report any  
>> malfunction.
>
> Your fix is still broken on Mac OS X.

Details, please.

When I achieve world domination, I shall organise a ritual burning of
all Apple products in existence.

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