Fred Fedora wrote:
Rick,
Thanks for the reply. Should the module code be physically located
inside the kernel source tree(/usr/src/linux-kernel-version??)?
I had a module built outside kernel tree on 2.4. Things compiled OK. I
want to check itout (using the same make commands) on 2.6 and I get
bunch of errors.
Is irq_vectors.h automatically picked by kernel using some variable?
If the module's source is designed correctly, it'll look for the kernel
headers it needs by looking at /lib/modules/`uname -r`/build. Under
2.4, this is generally a symlink to the actual kernel source directory.
In 2.6, it's typically a directory that contains all of the necessary
source (headers and whatnot) to build your module.
The trick is that the module MUST be designed with 2.6 in mind. A quick
search for the file you have problems with lists four "irq_vectors.h"
files based on the basic system architecture, "mach-default",
"mach-visws, "mach-voyager" and "mach-pc9800". The module's Makefile
must understand this to grab the right file.
So providing the module is 2.6-aware, yes, you should be able to build
your module outside the kernel source tree. I know it works as I've
built several drivers that way (for example, the atmel driver for
atmel-based wireles LAN cards).
*/Rick Stevens <rstevens@xxxxxxxxxxxxxxx>/* wrote:
Fred Fedora wrote:
> Is module compilation diffrent for 2.6 kernel from 2.4? I am get
tons of
> erros.
> Any hints?
> (irq_vectros.h not found etc. are my errors).
2.6 kernel building is a lot different. Your best bet is to do it
from ground zero:
# cd /usr/src/linux-whatever
# make mrproper
# make xconfig -or- make gconfig -or- make menuconfig
(load an existing config file or set things up as you wish)
(save this new config)
# make
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- Rick Stevens, Senior Systems Engineer rstevens@xxxxxxxxxxxxxxx -
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