[LLVMdev] HELP: Clang options needed in command to compile device driver into linux module.

[15102925731]

Hi, Nick
I think that's the question. I just don't know what's the command line that can tell clang to find  the linux head file like a makefile will do. Please help me!


--

            祝好！
 
  甄凯
------------------------------------------------------------------------------------------------------
2012-04-12
------------------------------------------------------------------------------------------------------
Name: 甄凯(ZhenKai)
Homepage:http://www.renren.com/262729393
Email: zhenkaixd at 126.com or 846227103 at qq.com
TEL: 15810729006(Beijing)
Address: Room I-406, Central Building, Tsinghua University, Beijing, China. 100084.



在 2012-04-12 12:45:14，"Nick Lewycky" <nicholas at mxc.ca> 写道：
>15102925731 wrote:
>> Hello，
>>
>> What option should be added in the clang command to compile linux device
>> driver（from .c to .bc）?
>> Typically we need a makefile to compile a module. But I just want a
>> simple command line.
>
>Make, using the information in the Makefile, runs gcc or clang with a 
>long command line. That command line tells gcc/clang how to do things, 
>like where to find linux/init.h or how certain macros are to be defined.
>
>It doesn't matter whether you run clang from the makefile or not, but 
>you will need the correct command line for it to work. What command line 
>does make run gcc with?
>
>Nick
>
>>
>> I tried *"clang -O3 -emit-llvm hello.c -c -o hello.bc "* but errors
>> occurred saying
>> fatal error: 'linux/init.h' file not found
>> #include <linux/init.h>
>> ^
>> 1 error generated
>> Then I was taught to add -D or -I option so that clang can find the
>> linux kernel head file. But I still dont know
>> how exactly the command like......All I want to know is a clang command
>> line that can compile a helloworldmodule.c into helloworldmodule.bc.
>>
>> Please give me some suggestion.
>> Any help would be appreciated!
>>
>> --
>> 祝好！
>> 甄凯
>> ------------------------------------------------------------------------------------------------------
>>
>> 2012-04-12
>> ------------------------------------------------------------------------------------------------------
>>
>> Name: 甄凯(ZhenKai)
>> Homepage:http://www.renren.com/262729393
>> Email: zhenkaixd at 126.com <mailto:zhenkaixd at 126.com> or 846227103 at qq.com
>> <mailto:846227103 at qq.com>
>> TEL: 15810729006(Beijing)
>> Address: Room I-406, Central Building, Tsinghua University, Beijing,
>> China. 100084.
>>
>>
>>
>>
>> _______________________________________________
>> LLVM Developers mailing list
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>
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