Re: Makefile problem

[Arjan van de Ven]

On Tue, 2006-03-21 at 03:21 -0800, cranium2003 wrote:
> Hi,
>    I have some Makefile questions
> 1)Why a kernel module in 2.6 kernel cannot be compiled
> with single gcc command? Why it requires Makefile in
> current directory so that i can use Makefile?
> 
> 2) why following command used to compile 2.4 kernel
> module fails on 2.6 kernel
> gcc  -D__KERNEL__ -DMODULE -DLINUX -O2 -Wall
> -Wstrict-prototypes -I/lib/modules/`uname
> -r`/build/include -c -o example.ko example.c

because it's broken and isn't using the same CFLAGS as the kernel is.
Read Documentation/kbuild/*

You *HAVE* to use the same CFLAGS as the rest of the kernel.


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