On Fri, 2004-08-06 at 04:14, Lei Yang wrote:
> Shine Mohamed Jabbar wrote:
> > Hi,
> >
> > I tried ur program in my machine and
> > its working fine.
> >
> > Apart from what u've done I did two more things
> > 1) Copied the config file from the /boot to kernel
> > source directory and done "make menuconfig"
>
> I didn't copy anything to kernel source, I just did 'make oldconfig'
Thats fine..
>
> > 2) Done a make in the kernel source till it compiles
> > the first c file (CC init/main.o). (I've done
> > because to make a link of include/asm->include/asm-i386).
>
> Is this really necessary...? I don't know. I didn't do that. I thought
> all the information module needed is the kernel configuration.
In my case the soft link {KERNEL SRC}/include/asm was not defined.
Without that soft link it was not possible to include arch specific
header files.
So when I did a "make" (for first/one time) that link came
automatically (by some scripts). Am I right ?
Thanks and Regards,
Shine Mohamed Jabbar
>
> Thanks.
> Lei
>
> > Regards,
> > Shine Mohamed Jabbar
> >
> > On Thu, 2004-08-05 at 04:13, Lei Yang wrote:
> >
> >>Hello,
> >>
> >>I am learning about module programming and just tried to build a
> >>simplest module, Hello World.
> >>
> >>The code is as follows:
> >>/* hello.c
> >>#include <linux/module.h>
> >>#include <linux/kernel.h>
> >>
> >>int init_module(void)
> >>{
> >> printk("Hello world!\n");
> >> return 0;
> >>}
> >>
> >>void cleanup_module(void)
> >>{
> >> printk(KERN_ALERT "Goodbye world!\n");
> >>}
> >>
> >>
> >>The makefile is just one line:
> >> obj-m += hello.o
> >>
> >>Then as root, I did in the HelloWorld directory:
> >>
> >>make -C /usr/src/linux-`uname -r` SUBDIRS=$PWD modules
> >>
> >>There is such an error:
> >>make: Entering directory `/usr/src/linux-2.6.5-7.104-default'
> >>
> >>WARNING: Symbol version dump
> >>/usr/src/linux-2.6.5-7.104-default/Module.symvers is missing, modules
> >>will have CONFIG_MODVERSIONS disabled.
> >>
> >>make[1]: *** No rule to make target `/home/lei/HelloWorld/hello.c',
> >>needed by `/home/lei/HelloWorld/hello.o'. Stop.
> >>make: *** [_module_/home/lei/HelloWorld] Error 2
> >>make: Leaving directory `/usr/src/linux-2.6.5-7.104-default'
> >>
> >>
> >>Appreciate any comments and help!
> >>
> >>TIA
> >>Lei
> >>
> >>
> >>
> >>--
> >>Kernelnewbies: Help each other learn about the Linux kernel.
> >>Archive: http://mail.nl.linux.org/kernelnewbies/
> >>FAQ: http://kernelnewbies.org/faq/
> >>
> >>
> >
> >
> >
> > --
> > Kernelnewbies: Help each other learn about the Linux kernel.
> > Archive: http://mail.nl.linux.org/kernelnewbies/
> > FAQ: http://kernelnewbies.org/faq/
> >
>
> --
> Kernelnewbies: Help each other learn about the Linux kernel.
> Archive: http://mail.nl.linux.org/kernelnewbies/
> FAQ: http://kernelnewbies.org/faq/
>
>
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