[Mplayer-cvslog] CVS: main configure,1.117,1.118

[Felix Buenemann]

Hello Arpi,

Sunday, July 29, 2001, 5:51:44 PM, you wrote:

> Hi,

>> On Saturday, 28. July 2001 23:51, you wrote:
>> > Hi,
>> >
>> > > +if ($_cc $TMPC -o $TMPO && $TMPO) > /dev/null 2>&1 ; then
>> > > + echo "ok"
>> > > + return 1
>> > > +else
>> > > + echo "failed"
>> > > + echo "It seems that your kernel does not correctly support $2. To use
>> > > $2 extensions in MPlayer, you have to upgrade/recompile your kernel!"
>> > > + return 0
>> > > +fi
>> >
>> > hey this checks only the C compiler (and as), and does nothing with the
>> > kernel! or i'm really silly as someone said on the list :)
>> see that && $TMPO? it executes the binary, if it crashes with a SIGILL or so 
>> check will fail.

> yes, right.

> btw this is wrong:

> if extcheck $_mmx2 "mmx2" "movntq %%mm0, (%%eax)" ; then _mmx2=no ; fi

> it will write to address pointed by eax. right?
> these checks shouldn't touch memory!
yea, right, fixed using sfence instead.


> A'rpi / Astral & ESP-team

-- 
Best regards,
 Felix                            mailto:atmosfear at users.sourceforge.net