Recompile the Library of the Linux Kernel

[loody]

hi:

2012/2/13 LI LEI <leimli.hit at gmail.com>:
> Hello, everyone,
>
> I am a beginner to learn about the linux kernel. I met the following problem
> today:
>
> I created a C file called "drv_event.c", and put it into the location
> "/lib", since I want to link it to the library of the kernel, i.e., lib.a. I
> also put the header file "drv_event.h" into the directory "/include/linux".
> I recompile the directory "/lib", and my own object "drv_event.o" was
> successfully linked into the lib.a.
>
> However, I called one of the functions defined in the "drv_event.c" in my
> driver, and I compiled this driver, at the link time, I got the warning
> which shows that the function called is undefined.
Would you please show us the warn message?
does your driver made in module format or build-in?

>
> It seems although I do recompile the lib.a successfully, but I did not put
> the new one into the right place. I tried "make install lib" and also "make
> install" in the kernel source. However, I still got the same warning at the
> link time.
>
> So does someone can help me to get rid of this problem?
>
> Thanks so much.
>
> Best,
>
> Li
>
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-- 
Regards,