Re: [gentoo-embedded] ./configure --prefix /opt --host=armv5tel-softfloat-linux-gnueabi

[Christoph Spielmann <spielc@gmail.com>]

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Hi Stephen!

I guess you installed a cross-compiler using crossdev (thus you should 
be able to call your cross-compiler using 
armv5tel-softfloat-linux-gnueabi-gcc).

Now if you install and setup crossdev-wrappers (emerge 
crossdev-wrappers) and run emerge-wrapper --init, you'll get a directory 
under /usr and a wrapper for emerge 
(emerge-armv5tel-softfloat-linux-gnueabi) which you can use to 
"cross-emerge" stuff.

On 15.06.2009 11:35, Stephen Feyrer wrote:
> Hi again
>
> Bah Hum-Bug! make failed. I guess some of those tests are important.
>
> I'm interested in crossdev wrappers but how can I make it apply to my
> current problem?
>
> --
> Boldly going forwards...
>
> Stephen.
>
> Stephen Feyrer wrote:
>    
>> Hi Sven.
>>      
>
>    
>> I had get some other cached values:
>>
>>   i_cv_epoll_works=no i_cv_inotify_works=no i_cv_posix_fallocate_works=no
>> i_cv_signed_size_t=no i_cv_gmtime_max_time_t=32 i_cv_signed_time_t=yes
>> i_cv_mmap_plays_with_write=yes i_cv_fd_passing=yes
>> i_cv_c99_vsnprintf=yes lib_cv_va_copy=yes lib_cv___va_copy=yes
>> lib_cv_va_val_copy=yes ./configure --prefix=/opt
>> --host=armv5tel-softfloat-linux-gnueabi
>>      
>
>    
>> :-) I'm now running make.
>>      
>
>    
>> Sven Rebhan wrote:
>>      
>>> 2009/6/15 Stephen Feyrer<steve@toth.org.uk>:
>>>        
>
>    
>>> Hello Stephen,
>>>        
>>>> checking whether we can use epoll... configure: error: in
>>>> `/root/dovecot/dovecot-1-2-6c0fb914e03e':
>>>> configure: error: cannot run test program while cross compiling
>>>> See `config.log' for more details.
>>>>          
>
>    
>>> I would strongly suggest to use crossdev-wrappers for this kind of
>>> jobs, as it automatically cares about this kind of problems.
>>>        
>
>    
>>> However, you might want to fix this problem yourself, so here we go. When
>>> cross-compiling, target programs can not be executed as they are
>>> probably compiled for an incompatible architecture (as the error
>>> states).
>>>        
>
>    
>>> Hence, you have to provide the result of the program run
>>> yourself using autoconf-cache values. Try to do the following:
>>>        
>
>    
>>> i_cv_epoll_works=yes ./configure --prefix=/opt
>>> --host=armv5tel-softfloat-linux-gnueabi
>>>        
>
>    
>>> Please check if epoll really works in your setup and change the value
>>> to "no" if it doesn't.
>>>        
>
>    
>>> Have fun!
>>>        
>
>    
>>>      Sven
>>>        
>
>    
>> Thanks.
>>      
>
>    
>> --
>> Stephen
>>      
>
>
>    


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