[Asterisk-Users] Compiling zaptel 1.0.2 on Fedora Core

[Nathan Bowyer]

On Mon, 29 Nov 2004 17:08:23 -0800, Brian Wright <bwright at boomerang.com> wrote:
> I'm trying to get zaptel 1.0.2 compiled on FC2 or FC3 and I'm getting
> compile time errors.  Systems include:
> 
> FC2: Linux xxxxxxxxxxxx 2.6.9-1.3_FC2 #1 Mon Nov 15 14:46:43 EST 2004
> i686 i686 i386 GNU/Linux
> FC3: Linux xxxxxxxxxxxx 2.6.9-1.681_FC3 #1 Thu Nov 18 15:13:22 EST 2004
> x86_64 x86_64 x86_64 GNU/Linux
> 
> /usr/home/bwright/zaptel-1.0.2> make linux26
> ...
> make -C /usr/src/linux-2.6 SUBDIRS=/usr/home/bwright/zaptel-1.0.2 modules
> make[1]: Entering directory `/usr/src/linux-2.6.9'
> Makefile:461: .config: No such file or directory
>   CC [M]  /usr/home/bwright/zaptel-1.0.2/zaptel.o
> In file included from /usr/home/bwright/zaptel-1.0.2/zconfig.h:9,
>                  from /usr/home/bwright/zaptel-1.0.2/zaptel.c:40:
> include/linux/config.h:4:28: linux/autoconf.h: No such file or directory
> In file included from /usr/home/bwright/zaptel-1.0.2/zaptel.c:40:
> /usr/home/bwright/zaptel-1.0.2/zconfig.h:10:27: linux/version.h: No such
> file or directory
[snip]
> 
> What appears to be happening is that the #include statement is trying to
> include linux/*.h from both /usr/src/linux-2.6/include/linux and
> /usr/include/linux.  Apparently, this conflicting include directory
> namespace doesn't work when compiling kernel drivers on Fedora Core.
> So, it appears to be ignoring /usr/include/linux entirely.  The compile,
> thus, fails finding autoconf.h, version.h and possibly other header
> files located in /usr/include/linux which shouldn't be in
> /usr/src/linux-2.6/include/linux.
> 
> The other thing I've noticed is the following:
> 
>  >more /usr/include/linux/autoconf.h
> #error Invalid kernel header included in userspace
> 
>  >more /usr/include/linux/config.h
> #ifndef _LINUX_CONFIG_H
> #define _LINUX_CONFIG_H
> 
> #ifdef __KERNEL__
> #error Incorrectly using glibc headers for a kernel module
> #endif
> 
> #endif
> 
> Clearly, if creating a kernel driver on FC2 or FC3, they don't really
> want you including these header files anyway and will error out anyway
> if you do manage to include them.  So, I'd have to say that the zaptel
> drivers are going to need a bit of work to compile properly under FC2 or
> FC3 anyway.  This might also explain why the compiler is ignoring
> /usr/include/linux.
> 
> So, is there any way around this problem?  I've already had my hand at
> editing the Makefile, but I can't seem to make it do anything different
> than this.  If anyone has any ideas, please let me know.  I'd like to
> get this driver compiled.
> 

Did you make the symlink from /usr/src/linux-2.6 to
/lib/modules/`uname -r`/build/?  As stated in README.Linux26, it says
that creating a kernel module no longer requires the full kernel
source to compile against.  Do that and it should work.  Its worked
for me on both FC2 and FC3.

Nathan