[ECOS] fatal error when building ecos with lwip

[Robert Brusa]

>> On Fri, Jul 17, 2009 at 3:46 PM, Robert Brusa<bob.brusa@gmail.com>  
>> wrote:
>> Hi
>> I added the packages CYGPKG_NET_LWIP v3_0 and CYGPKG_IO_ETH_DRIVERS  
>> v3_0 to
>> my (proven) template, configured tcp and started the build. But hellas  
>> - it
>> runs on a severe problem:
>>
>> <cut>
>> /home/rwb/hyaplibs/hyaplib_0_install/include/netif/etharp.h:89: warning:
>> ‘packed’ attribute ignored for field of type ‘struct eth_addr’
>> /home/rwb/hyaplibs/hyaplib_0_install/include/netif/etharp.h:90: warning:
>> ‘packed’ attribute ignored for field of type ‘struct ip_addr2’
>> /home/rwb/hyaplibs/hyaplib_0_install/include/netif/etharp.h:102:  
>> warning:
>> ‘packed’ attribute ignored for field of type ‘struct eth_hdr’
>> /home/rwb/hyaplibs/hyaplib_0_install/include/netif/etharp.h:103:  
>> warning:
>> ‘packed’ attribute ignored for field of type ‘struct ip_hdr’
>> In file included from
>> /home/rwb/ecoswc-3.0/packages/net/lwip_tcpip/v3_0/src/ecos/init.c:65:
>> /home/rwb/hyaplibs/hyaplib_0_install/include/cyg/io/eth/eth_drv.h:155:
>> error: redefinition of ‘struct arpcom’
>> make[1]: *** [src/ecos/init.o.d] Fehler 1
>> make: *** [build] Fehler 2
>>
>> Does anybody know how to fix this problem? And what's about these  
>> warnings?
>> Thanks for help.
>> Â  Robert
>>
>> --
>> Before posting, please read the FAQ: http://ecos.sourceware.org/fom/ecos
>> and search the list archive: http://ecos.sourceware.org/ml/ecos-discuss
>>
>>
On Fri, 17 Jul 2009 12:29:58 +0200, Mandeep Sandhu  
<mandeepsandhu.chd@gmail.com> wrote:

> I got the same error once while trying to add lwIP to my SAM7X
> template (using the GUI tool).
>
> I started afresh and things worked! I also chose one of the
> pre-defined configs i.e lwip_eth.
>
> HTH,
> -mandeep
>
Now it builds succesfully. It seems that the macro  
CYGPKG_IO_ETH_DRIVERS_STAND_ALONE
was the problem. Disabling it and it worked. However, I do not understand  
what this
macro does - or does not. Has anyone a hint what this "stand-alone" means  
in this
context. Thank you.
   Robert



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