Re: [ECOS] fatal error when building ecos with lwip

[Robert Brusa <bob dot brusa at gmail dot com>]

> > 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:
> > âpackedâ attribute ignored for field of type âstruct eth_addrâ
> > /home/rwb/hyaplibs/hyaplib_0_install/include/netif/etharp.h:90: warning:
> > âpackedâ attribute ignored for field of type âstruct ip_addr2â
> > /home/rwb/hyaplibs/hyaplib_0_install/include/netif/etharp.h:102:  
> > warning:
> > âpackedâ attribute ignored for field of type âstruct eth_hdrâ
> > /home/rwb/hyaplibs/hyaplib_0_install/include/netif/etharp.h:103:  
> > warning:
> > âpackedâ attribute ignored for field of type âstruct ip_hdrâ
> > 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 âstruct arpcomâ
> > 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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