[FFmpeg-devel] undefined reference to `ff_h263_loop_filter_strength'

Aurelien Jacobs aurel
Tue Jul 24 10:55:06 CEST 2007

On Mon, 23 Jul 2007 20:38:03 -0400
"Jason Millard" <jsm174 at gmail.com> wrote:

> Hello. I just tried to build with the 7/23 export and I get the
> following undefined reference errors:
> c:/ffmpeg-export-2007-07-23/libavcodec/libavcodec.a(dsputil_mmx.o):dsputil_mmx.c:(.text+0x28b8):
> undefined reference to `ff_h263_loop_filter_strength'
> c:/ffmpeg-export-2007-07-23/libavcodec/libavcodec.a(dsputil_mmx.o):dsputil_mmx.c:(.text+0x29cb):
> undefined reference to `ff_h263_loop_filter_strength'
> c:/ffmpeg-export-2007-07-23/libavcodec/libavcodec.a(dsputil.o):dsputil.c:(.text+0x1aa02):
> undefined reference to `ff_h263_loop_filter_strength'
> c:/ffmpeg-export-2007-07-23/libavcodec/libavcodec.a(dsputil.o):dsputil.c:(.text+0x1ab40):
> undefined reference to `ff_h263_loop_filter_strength'
> collect2: ld returned 1 exit status
> make: *** [ffmpeg_g.exe] Error 1

I think this is due to your gcc version having some problem optimizing
out some functions.
This should now be fixed in svn.


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