Re: Cross Compile Problems

[Takashi Iwai <tiwai@suse.de>]

At Mon, 08 Nov 2004 23:11:26 +0100,
Klaus Fetscher wrote:
> 
> Hallo,
> 
> I want to use ALSA for my ARM based custom board, but I have the 
> following problems.
> 
> - I am using a NFS-Root Filesystem for my embedded hardware. I have 
> cross compiled the alsa-lib and the alsa-utils with the 
> "--PREFIX=/tftpboot/acc-rootfs" . The root filesystem is mounted below 
> "/tftpboot/acc-rootfs". When I start the mixer, he want to load the file 
> "alsa.conf" with the complete path 
> "/tftpboot/acc-rootfs/share/alsa/alsa.conf" . The problem is, that the 
> correct path for the ARM CPU is only "/share/alsa/alsa.conf" . Are there 
> any options to solve this problem ?

You can specify datadir, libdir, etc with configure options to
override the default values.

> - After temporary copy the files to 
> "/tftpboot/acc-rootfs/tftpboot/acc-rootfs/share/alsa/alsa.conf" I get 
> the following error:
> "ALSA lib control.c:629:(snd_ctl_open_conf) symbol _snd_ctl_hw_open is 
> not defined inside (null)"
> "amixer: Mixer attach default error: No such device or address"
> Is it necessary to add entries to "/share/alsa.conf" or to 
> "/etc/asound.conf" or to to ".asoundrc" ?

No.  I guess the shared lib file can't be read correctly because of
the installed path.  alsa-lib tries to load symbols with dlopen.


Takashi


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