On Mon, Mar 28, 2005 at 01:10:35PM +0200, Josef E. Galea wrote:
> Hi,
>
> I have 2 modules. The first one uses EXPORT_SYMBOL to make some function
> available to other modules. These prototypes for these functions were
> also put in a header file. Now the second module uses the functions the
> functions defined in the first module by and includes the afore
> mentioned header file. However when i'm compiling the module, I get a
> symbol underfined warning. When I load the module it works as expected.
> Is there any way to get rid of these warnings.
>
> Another problem I'm having is that when I load the second module I get
> `no version for "rbnode_initialize" found: kernel tainted.'
> (rbnode_initialize is one of the functions exported by the first
> module). Both MODULE_LICENSE("GPL"); and MODULE_VERSION are declared in
> the two modules. Is there anything I'm missing?
You need to compile both modules at the same time.
Do something like this for your two modules foo and bar:
modules/Makefile
obj-y := foo/ bar/
modules/foo/ <= Your foo module
modules/bar/ <= Your bar module
Then when building the modules stay in modules/ and
execute:
make -C <path-to-kernel-src> M=`pwd`
And to install modules:
make -C <path-to-kernel-src> M=`pwd` modules_install
Sam
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