FLAME____ Why is the kernel source not included

[Paul Howarth]

Filippos Klironomos wrote:
>>As Jakob mentioned earlier, properly-written modules should be built against
>>the headers in /lib/modules/`uname -r`/build rather than /usr/src; it may well
>>be that lots of module providers don't currently do this despite the fact that
>>it's been the standard way of doing things for some time time now, but if the
>>module writers can't keep up with the build system, they're hardly likely to
>>be able to keep up with changes in the underlying kernel either.
> 
> I have another probably silly question. Doesn't /lib/modules/`uname
> -r`/build usually point to /usr/src/linux?
> 
> I would swear it does, but I am away from my machine right now...

On FC1, yes:
ls -ld / /lib /lib/modules /lib/modules/`uname -r` /lib/modules/`uname -r`/build
drwxr-xr-x  25 root root 4096 Sep 29 15:30 /
drwxr-xr-x   9 root root 4096 Sep 16 05:21 /lib
drwxr-xr-x   6 root root 4096 Aug 12 16:10 /lib/modules
drwxr-xr-x   4 root root 4096 Aug 12 16:10 /lib/modules/2.4.22-1.2199.nptl
lrwxrwxrwx   1 root root   41 Aug 12 16:10 
/lib/modules/2.4.22-1.2199.nptl/build -> ../../../usr/src/linux-2.4.22-1.2199.nptl

On FC2, no:
ls -ld / /lib /lib/modules /lib/modules/`uname -r` /lib/modules/`uname -r`/build
drwxr-xr-x  34 root root 4096 Aug 25 09:52 /
drwxr-xr-x   9 root root 4096 Sep 14 05:10 /lib
drwxr-xr-x   7 root root 4096 Sep 29 12:08 /lib/modules
drwxr-xr-x   5 root root 4096 Sep 27 14:21 /lib/modules/2.6.8-1.521
drwxr-xr-x  17 root root 4096 Aug 23 09:56 /lib/modules/2.6.8-1.521/build

Paul.