Hi
you probably need to include the path to the kernel headers on your gcc
command line (probably a good idea to turn some warnings on too)
gcc -c -Wall -I/path-to-kernel-src/include hello.c
for example I would for my system use the line
gcc -c -Wall -O2 -I/usr/src/linux-2.4/include hello.c
On Mon, 2004-07-19 at 17:33, Hinko Kocevar wrote:
> Hi,
>
> I'm reading LDD2 and trying to compile sample code as I go along,
> unfortunately I stumbled on some errors at the very first hello.c
> module. I'm running suse9, with latest kernel and sources installed
> (2.4.21-231).
>
> Compiling with: gcc -c hello.c
> Attached are my hello world module and corresponding error output:
>
> #define MODULE
> #include <linux/module.h>
>
>
> int init_module (void) {
> printk("<1>Hello, World!\n");
>
> return 0;
> }
>
> void cleanup_module(void) {
> printk("<1>Goodbye, cruel world!\n");
> }
>
>
>
> regards,
> H
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