compiling one kernel tree + module from another tree

[Ilya A. Volynets-Evenbakh]

Well, first of all you'll need to make sure the module in question
actually works with the kernel version you are trying to build it against.
Kernel APIs do have a tendency to change.

As for technicalities, you may be better off with compiling it out of tree.
1. configure the kernel tree
2. Put the module in a separate directory
3. Create a proper Makefile in that directory
4. Go there, and run
make -C /path/to/linux/tree M=`pwd`

Or, alternatively, just use the newer kernel in general, if it is at all
possible.


On 03/17/2014 11:20 AM, Erez D wrote:
> Hi
>
> i am cross compiling modules for kernel 3.6.9 for an arm embedded board
> (comes with kernel but no modules).
> however, i need a driver for 8188eu, which does not come with this kernel.
>
> i downloaded a new kernel tree with 8188eu driver. it is not 3.6.9 so
> it will not insmod if i compile it directly (what file holds the
> kernel version ?)
>
> i copied the subdir from kernel tree 2 to kernel tree 1, however do
> not know how to configure the kernel to compile it
> adding 'CONFIG_RTL8188EU=m' to .config and 'make modules' does not do it
>
> how do i do that ?
>
>
>
> thanks,
> erez.
>
>
>
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