[alsa-devel] alsa-driver-1.0.15rc2 build issues on RHEL4/CentOS4

[Takashi Iwai]

At Wed, 26 Sep 2007 12:50:58 +0100,
James Pearson wrote:
> 
> James Pearson wrote:
> 
> > 
> > I've just discovered that I can't load snd-ioctl32 from 1.0.15rc2 on 
> > RHEL4/CentOS4 - dmesg reports:
> > 
> > snd_ioctl32: Unknown symbol snd_ctl_elem_read
> > snd_ioctl32: Unknown symbol snd_ctl_elem_write
> > 
> > snd-ioctl32 with 1.0.15rc1 loads fine ...
> 
> The problem is still there with 1.0.15rc3 - however, I've found the 
> cause of the issue:
> 
> EXPORT_SYMBOL(snd_ctl_elem_read) and EXPORT_SYMBOL(snd_ctl_elem_write) 
> have been removed from alsa-kernel/core/control.c - see:
> 
> <http://hg.alsa-project.org/alsa-kernel/rev/efd5ab99655e>
> 
> I guess this is OK for more recent kernels, but still needed for 
> RHEL4/CentOS4 2.6.9 kernels
> 
> I can work round the problem by putting these back into acore/control.c
> 
> I've attached a patch which patches acore/control.patch

Thanks, I fixed it with #ifdef CONFIG_SND_BIT32_EMUL_MODULE.
These shouldn't be exported unconditionally.

Also, some entries in kconfig_vers are changed as you suggested on HG
tree.

Hope now it works...


Takashi