64 bit

[Saurabh Bathe]

vamsi krishna wrote:

>Hello,
>
>Add the following flags for 32-bit compilation on amd64 bit machine.
>
>gcc: add option -m32
>ld: add -melf_i386
>
>I dont think you need to recompile any gcc/gnu software.
>
>Thanks
>Vamsi kundeti
>
>On 6/13/05, Saurabh Bathe <sbathe at gmail.com> wrote:
>  
>
>>ravi chandra wrote:
>>
>>    
>>
>>>how to cross compile a 64 bit kernel on 32 bit environment
>>>
>>>
>>>
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>>Hi,
>>
>>This is not impossible but quite difficult to achieve.
>>I have never done this myself, but what I know is that you need to
>>recompile the complete gcc-toolchain so that it recognizes and compiles
>>64 bit. (this includes glibc and gcc and possibly kernel as well)
>>Please correct me if I am wrong though.
>>
>>Infact the reverse is quite possible and simple. If possible I would
>>prefer to have a 64 bit machine (AMD64 or Intel EM64T) which can do 32
>>bit compile easily just by installing the proper devel libs.
>>
>>Regards,
>>Saurabh
>>
>>--
>>amd64-list mailing list
>>amd64-list at redhat.com
>>https://www.redhat.com/mailman/listinfo/amd64-list
>>
>>    
>>
>
>  
>
Hi,

I think the question was about compiling the kernel to run on 64 bit 
platform using a machine that is running on a 32 bit platform.
Recompilation of gcc toolkit is required only for compiling 64 bit 
binary on 32 bit platform and not for the reverse.

Regards,
Saurabh