Steven M. Schultz wrote:
> On Tue, 18 Sep 2007, mike wrote:
>
>
>> i try to compile mjpegtools-1.9.0rc2 on my x86_64 multilib enviroment.
>>
>
> I am not sure if that's enough information (it'd be nice to know
> the distribution, version of gcc, etc) but I think a workaround
> for the problem can be produced.
>
>
>> but i get a strange error from make:
>> configure: - MMX/3DNow!/SSE enabled : true
>> configure: - arch/cpu compiler flags : -march=pentium-m
>> -mtune=pentium-m
>>
>
> Isn't the "pentium-m" model the portable/notebook variant? It's
> been a long time since I've given much attention to the cpu model
> info bits.
>
>
>> how can i change the '-march' and 'mtune' option to generic or core2 or
>> athlon64? CC="gcc -mtune=generic" dosn't work. how can i compile without
>> this error?
>> has anyone a idea?
>>
>
> --with-extra-cflags=flags
>
> So you specify
>
> --with-extra-cflags="-mtune=k8 -mcpu=k8"
>
> (or whatever value you want to use).
>
> The values you specify will override the values from cpuinfo.sh
>
> Cheers,
> Steven Schultz
>
>
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>
hi,
sorry for my spartan informations
i have no distribution. its a linuxfromscratch with gcc4.1.
and my cpu is a INTEL core2 t7600
cpuinfo.sh was a god tip. i modified a little bit.
and now it works, thank you.
my modification on cpuinfo.sh:
...
6) iproc=686
if test "$pmodel" -ge 15; then #this is new
proc=nocona
#this is new
elif test "$pmodel" -ge 13; then
proc=pentium-m
elif test "$pmodel" -ge 7; then
proc=pentium3
elif test "$pmodel" -ge 3; then
proc=pentium2
else
proc=i686
fi
....
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