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Hello, I've been trying to implement the hello world code from the device drivers chapter of "Beginning Linux Programming". I'm trying to create module that I can test with the ...
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  1. #1
    Just Joined!
    Join Date
    Sep 2007
    Posts
    6

    Hello Kernel Compiling Error


    Hello,

    I've been trying to implement the hello world code from the device
    drivers chapter of "Beginning Linux Programming". I'm trying to create
    module that I can test with the insmod command. I keep getting errors
    because I'm compiling using the wrong header:

    In file included from /usr/include/linux/module.h:10,
    from hellokernel.c:3:
    /usr/include/linux/config.h:5:2: #error Incorrectly using glibc headers
    for a kernel module

    However, I've invoked the compiler as follows:

    gcc -D__KERNEL__ -DMODULE -DMODVERSIONS -O2 -Wall -I /usr/src/linux/include -o samplerw.o -c samplerw.c

    But, despite my providing what I think should be a directory in which to
    search for *.h files (which I believe are the correct ones for my
    system, a Fedora Core 3 install) for kernel compilations, I keep getting
    the error above based on gcc including the wrong header file


    My system details are as below.

    # uname -a
    Linux wiprosdm 2.6.11-1.1369_FC4 #1 Thu Jun 2 22:55:56 EDT 2005 i686 i686 i386 GNU/Linux


    If some body could help that would be appreciable.

    Thanks in advance.

    - Mani

  2. #2
    Linux Enthusiast
    Join Date
    Aug 2006
    Posts
    631
    Try this makefile, save it in the directory you're working (before the make commands you must have real tabs, not spaces):

    Code:
    obj-m	+= samplerw.o
    
    all:
    	make -C /lib/modules/$(shell uname -r)/build M=$(PWD) modules
    
    clean:
    	make -C /lib/modules/$(shell uname -r)/build M=$(PWD) clean
    To compile type "make", to cleanup the files type "make clean".

    Regards

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