[MPlayer-advusers] Build failure with libnut

[Giacomo Comes]

On Tue, Feb 06, 2007 at 09:59:54PM -0500, The Wanderer wrote:
> For some while now - I didn't notice what revision started it, but it
> may even have been thousands ago - MPlayer has not compiled for me with
> (the latest SVN of) libnut installed. The library is detected just fine
> as far as compilation goes, but when it comes time to build mplayer
> itself I get:
> 
> ==
> cc -o mplayer mplayer.o m_property.o mp_msg.o asxparser.o codec-cfg.o 
> cpudetect.o edl.o find_sub.o m_config.o m_option.o m_struct.o 
> parser-cfg.o playtree.o playtreeparser.o spudec.o sub_cc.o subreader.o 
> vobsub.o unrarlib.o mixer.o parser-mpcmd.o subopt-helper.o libvo/libvo.a 
> libao2/libao2.a input/libinput.a vidix/libvidix.a 
> libmpcodecs/libmpcodecs.a libaf/libaf.a libmpdemux/libmpdemux.a 
> stream/stream.a libswscale/libswscale.a libvo/libosd.a 
> libavformat/libavformat.a libavcodec/libavcodec.a libavutil/libavutil.a 
> libpostproc/libpostproc.a loader/libloader.a mp3lib/libMP3.a 
> liba52/liba52.a libmpeg2/libmpeg2.a libfaad2/libfaad2.a 
> tremor/libvorbisidec.a libass/libass.a osdep/libosdep.a -ldirectfb 
> -lXext -lX11 -lpthread -lXv -lXinerama -lGL -ldl -lggi -laa -lcaca 
> -lcucul -lvga -lSDL -laudio -lXt -ldl -lartsc -lpthread -lgmodule-2.0 
> -ldl -lgthread-2.0 -lglib-2.0 -lesd -laudiofile -lm -lpolyp-0.8 
> -lpolyp-error-0.8 -lpolyp-mainloop-0.8 -ljack -lopenal -lx264 -lpthread 
> -lmp3lame -L/usr/lib -L/usr/lib -L/usr/lib -L/usr/lib -Wl,-z,noexecstack 
>    -lncurses -lsmbclient -lpng -lz -ljpeg -lungif -lasound -ldl 
> -lpthread -L/usr/lib -ldvdnav -lpthread -lcdda_interface -lcdda_paranoia 
> -lfreetype -lz -lfontconfig  -L/usr/lib -lfribidi -lz -llzo -lmad 
> -lspeex -I/usr/local/include  -L/usr/local/lib -ltheora -logg   -ldts 
> -lmpcdec -ldv -lnut -lpthread -ldl -rdynamic  -lm
> libavformat/libavformat.a(allformats.o): In function `av_register_all':
> allformats.c:(.text+0x3f3): undefined reference to `nut_muxer'
> collect2: ld returned 1 exit status
> make: *** [mplayer] Error 1
> ==
> 
> Uninstalling libnut, reconfiguring, and running 'make dep ; make' works
> fine, but leaves me without libnut. (Not that I actually use it, but
> it's the principle of the thing.)
> 
> The symbol in question is defined in both libavformat/nut.c and
> libavformat/libnut.c (the former of which appears to be deprecated - I
> don't think it gets pulled down with svn co anymore, but it's still in
> my local tree), neither of which are compiled to .o files. I've made
> efforts to track this down further, but have not been successful. Does
> anyone know where (in MPlayer's build system, in libavformat's and
> thence in FFmpeg, in libnut unlikely as that seems, somewhere else) the
> problem is likely to lie, or at least have any pointers to help me
> investigate further?

If I remember correctly the nut problem appears at the same time of the
ffmpeg changes in r7619. Or just after the fixes get in.
I hope it helps.

Giacomo