[alsa-devel] 1.0.24 alsa-driver compilation problem

Grzegorz Daniluk g.daniluk at elproma.com.pl
Fri Mar 4 14:20:01 CET 2011

ok, when I add the --with-oss=no option to ./configure those warnings 
disappear and I can load the module without any problems. But still.. 
how can I compile alsa to have also oss emulation (I need /dev/dsp to 
access sound codec from my software).


Grzegorz Daniluk wrote:
> Hi,
> I'm trying to cross-compile the latest 1.0.24 alsa-driver for my 
> embedded system (using SH4 processor and linux kernel 2.6.35). Before 
> compiling 1.0.24 I did turn off the alsa in kernel configuration 
> (leaving just Sound card support enabled). So I run as follows:
> ./configure --with-kernel=<where_my_kernel_src's_are> 
> --with-build=<where_my_kernel_src's_are> --with-cross=sh4-linux-gnu-
> and then 'make'. However, during 'make' I've noticed the following warning:
> WARNING: "register_sound_special_device" 
> [/root/alsa-driver-1.0.24/acore/snd.ko] undefined!
> WARNING: "unregister_sound_special" 
> [/root/alsa-driver-1.0.24/acore/snd.ko] undefined!
> and then when trying to insmod the snd.ko module the following error 
> appears:
> snd: Unknown symbol unregister_sound_special (err 0)
> snd: Unknown symbol register_sound_special_device (err 0)
> thank you for your help,
> best regards,
> Greg
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