[FFmpeg-devel] [PATCH] Fix big/little endian check in configure (broken on Mac OS X)
Thu Mar 13 23:59:27 CET 2008
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:
>>> It seems the endian check in configure has been broken on Mac OS X
>>> doesn't seem to like binary files). Here is a fix which should
>>> hopefully work everywhere...
>>> 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;
>>> -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.
mans at mansr.com
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