Re: LPC3250, helloworld-image, configure: error: cannot run C compiled programs

[Dmitry Vinokurov <d.vinokuroff@gmail.com>]

Khem Raj wrote:
> On (23/08/09 19:25), Dmitry Vinokurov wrote:
>   
>> Khem Raj wrote:
>>     
>>> On (23/08/09 10:17), Dmitry Vinokurov wrote:
>>>       
>>>>>>> ERROR: '/home/raydan/work/oe/openembedded/recipes/module-init-tools/module-init-tools-cross_3.2.2.bb'
>>>>>>> failed
>>>>>>> --------
>>>>>>>
>>>>>>> I.e. bitbake again confused cross-gcc and x86-gcc. Updated my OE
>>>>>>> with git pull, removed tmp/ and made rebuild -- same result.
>>>>>>>               
>>>>>> Looks like error is in wrong ./configure parameter:
>>>>>> --host=i686-linux instead of --host=arm-oe-linux-gnueabi .
>>>>>> Now I'm trying to find, why --host was set to i686 and where it can
>>>>>> be changed.
>>>>>>             
>>>>> its a cross package so host being i686-linux (I suppose you are building
>>>>> on i686 box) is ok. Look into the config.log error message should be in
>>>>> there
>>>>>
>>>>> -Khem
>>>>>           
>>>> Hm, "configure --help" says "--host=HOST cross-compile to build
>>>> programs to run on HOST [BUILD]" and as I understand, I will run
>>>> programs on ARM, so it should be 'arm-oe-linux-gnueabi'.
>>>>
>>>> Anyway, even if host should be x86, instead of i686-linux-gcc it
>>>> finds arm-vfp-linux-gcc and fails.
>>>>         
>>> dont confuse pure cross with canadian cross. You are doing a normal
>>> cross build here which means build machine is same as host machine.
>>>
>>> Your problem is probably because you are overriding CC and friends
>>> which could be confusing (already confused) configure even more.
>>>
>>> Try setting CC_FOR_BUILD=<your native compiler on the build machine>
>>>
>>> Thanks
>>>
>>> -Khem
>>>       
>> Thank you for your help. I'm newbie in OE and crosscompiling at all
>> and may confuse some things.
>>
>> Just now I've tried to build some not so simple as helloworld but
>> not so complicated as kernel -- bc calculator. And I'd like to say
>> that during configure stage it sets:
>> --build=i686-linux --host=arm-oe-linux-gnueabi --target=arm-oe-linux-gnueabi
>>
>> Builded bc works fine on my board and this is normal, not canadian,
>> cross build.
>>     
>
> its a target package being built on build machine. Your build was failing to compile a package which
> will run on your host (similar to cross compilers) they are not same
> cases. module-init-tools would be analogically similar to bc but not
> module-init-tools-cross which is the package you reported failing.
>   
Yes, you're right. Recently read documentation more attentively 
(http://docs.openembedded.org/usermanual/usermanual.html#recipes_variables) 
and understood that I was wrong.
Now appearing errors are more familiar to me and I hope soon image for 
LPC3250 will be built successfully and I'll report about it.

--
Best Regards,
Dmitry Vinokurov