[LLVMdev] HELP: Clang options needed in command to compile device driver into linux module.
15102925731
zhenkaixd at 126.com
Thu Apr 12 00:05:17 PDT 2012
Wow that's to much output information.
Maybe I can put it in this way. Could you tell me the clang option that can include the linux kernel headers???
Something like
"clang -O3 -isystem /lib/modules/`uname -r`/build/include -emit-llvm hellomodule.c -c -o hellomodule.bc"
Thank you!
--
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.
At 2012-04-12 14:07:38,"Nick Lewycky" <nicholas at mxc.ca> wrote:
>15102925731 wrote:
>> 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!
>
>In the linux kernel, "make V=1" will compile verbosely, printing out
>each command it runs. Each .o file produced will have its own
>command-line (many of them will be the same, but you have to make sure
>you use the right one).
>
>Nick
>
>>
>> --
>> 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.
>>
>>
>> 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
>>>> LLVMdev at cs.uiuc.edu http://llvm.cs.uiuc.edu
>>>> http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev
>>>
>>
>>
>>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20120412/1cb3712e/attachment.html>
More information about the llvm-dev
mailing list