[FFmpeg-user] ffmpeg-1.0 make failed on Fedora x86_64

Reindl Harald h.reindl at thelounge.net
Fri Oct 5 11:53:13 CEST 2012



Am 05.10.2012 10:02, schrieb Carl Eugen Hoyos:
> Reindl Harald <h.reindl <at> thelounge.net> writes:
>>  --arch=x86_64 \
> 
> This looks unneded.

it does not hurt

>>  --extra-cflags="-O3 -march=corei7 -mtune=corei7 -mmmx 
>> -msse2 -msse3 -msse4.1 -msse4.2 -fopenmp -mfpmath=sse
>> -fstack-protector --param=ssp-buffer-size=4 -pipe 
>> -D_FORTIFY_SOURCE=2 -fexceptions" \
> 
> There are two possibilities:
> Either this is useful (and helps performance), then 
> it should be made default. At least a bug report 
> would be nice.

WHY should it be a DEFAULT?

that i have a corei7 does not mean anybody has
these are simply compiler flags enabling gcc-optimization

these are for MY used CPU's because all machines have at least
this capabilities

>>  --enable-static \
> 
> This looks unneeded

the RPM is for a STATIC build

>>  --enable-runtime-cpudetect \
> 
> Could you explain why this is useful?

why not?

>>  --disable-libspeex \
> This looks unneeded.

i do not want libspeex-support and implicit rpm-dependency on it

>>  --disable-shared \
>>  --disable-libdc1394 \
> 
> These look unneeded

i do not want ANY shared libraries on a static build
i do not want any dependency/support for libdc1394

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