Re: [ECOS] eCos build fails when INET support is disabled

["Gary D. Thomas" <gary dot thomas at mind dot be>]

On Fri, 2003-03-07 at 04:34, Chris Garry wrote:
> eCos updated from CVS today.
> Hardware: E7T
> Template: net
> 'Samsung KS32C5000 ethernet driver package' added
> 'INET support' disabled in FreeBSD networking stack
> 'INET support' disabled in Basic networking framework
> 
> The build fails with:
> 
> arm-elf-gcc -c  -I/ecos-e/CygwinHome/ecos-build/ecos-net2_install/include -I/ecos-e/CygwinHome/repository/ecos/packages/net/bsd_tcpi
> p/current -I/ecos-e/CygwinHome/repository/ecos/packages/net/bsd_tcpip/current/src -I/ecos-e/CygwinHome/repository/ecos/packages/net/
> bsd_tcpip/current/tests -I. -I/ecos-e/CygwinHome/repository/ecos/packages/net/bsd_tcpip/current/src/sys/net/ -mcpu=arm7tdmi -mno-sho
> rt-load-words -Wall -Wpointer-arith -Wstrict-prototypes -Winline -Wundef -Woverloaded-virtual -g -O2 -ffunction-sections -fdata-sect
> ions -fno-rtti -fno-exceptions -fvtable-gc -finit-priority -D_KERNEL -Wp,-MD,src/sys/net/if.tmp -o src/sys/net/net_bsd_tcpip_if.o
> /ecos-e/CygwinHome/repository/ecos/packages/net/bsd_tcpip/current/src/sys/net/if.c
> /ecos-e/CygwinHome/repository/ecos/packages/net/bsd_tcpip/current/src/sys/net/if.c: In function `_sa':
> /ecos-e/CygwinHome/repository/ecos/packages/net/bsd_tcpip/current/src/sys/net/if.c:147: warning: implicit declaration of function
> `inet_ntoa'
> /ecos-e/CygwinHome/repository/ecos/packages/net/bsd_tcpip/current/src/sys/net/if.c:147: dereferencing pointer to incomplete type
> /ecos-e/CygwinHome/repository/ecos/packages/net/bsd_tcpip/current/src/sys/net/if.c:147: warning: return makes pointer from integer
> without a cast
> make[1]: *** [src/sys/net/if.o.d] Error 1
> make[1]: Leaving directory `/ecos-e/CygwinHome/ecos-build/ecos-net2_build/net/bsd_tcpip/current'
> make: *** [build] Error 2
> make: Leaving directory `/ecos-e/CygwinHome/ecos-build/ecos-net2_build'
> 
> So I tried a simple fix:
> 
> diff -u -5 -b -p -r1.2 if.c
> --- net/bsd_tcpip/current/src/sys/net/if.c      4 Nov 2002 20:23:25 -00001.2
> +++ net/bsd_tcpip/current/src/sys/net/if.c      7 Mar 2003 11:25:27 -0000
> @@ -141,12 +141,14 @@ _sa(struct ifaddr *ifa)
>  {
>      struct sockaddr *sa = ifa->ifa_addr;
>      static char _unknown[128];
> 
>      switch (sa->sa_family) {
> +#ifdef INET
>      case AF_INET:
>          return inet_ntoa((struct in_addr)((struct sockaddr_in *)(ifa->ifa_addr)
> )->sin_addr);
> +#endif
>  #ifdef INET6
>      case AF_INET6:
>          diag_sprintf(_unknown, "%s/%d", ip6_sprintf(IFA_IN6(ifa)),
>                       in6_mask2len(&((struct in6_ifaddr *)ifa)->ia_prefixmask.si
> n6_addr, NULL));
>          return _unknown;
> 
> But then the build fails with:
> 
> arm-elf-gcc -c  -I/ecos-e/CygwinHome/ecos-build/ecos-net3_install/include -I/ecos-e/CygwinHome/repository/ecos/packages/net/bsd_tcpi
> p/current -I/ecos-e/CygwinHome/repository/ecos/packages/net/bsd_tcpip/current/src -I/ecos-e/CygwinHome/repository/ecos/packages/net/
> bsd_tcpip/current/tests -I. -I/ecos-e/CygwinHome/repository/ecos/packages/net/bsd_tcpip/current/src/sys/net/ -mcpu=arm7tdmi -mno-sho
> rt-load-words -Wall -Wpointer-arith -Wstrict-prototypes -Winline -Wundef -Woverloaded-virtual -g -O2 -ffunction-sections -fdata-sect
> ions -fno-rtti -fno-exceptions -fvtable-gc -finit-priority -D_KERNEL -Wp,-MD,src/sys/net/if_ethersubr.tmp -o
> src/sys/net/net_bsd_tcpip_if_ethersubr.o
> /ecos-e/CygwinHome/repository/ecos/packages/net/bsd_tcpip/current/src/sys/net/if_ethersubr.c
> /ecos-e/CygwinHome/repository/ecos/packages/net/bsd_tcpip/current/src/sys/net/if_ethersubr.c: In function `cyg_ether_output':
> /ecos-e/CygwinHome/repository/ecos/packages/net/bsd_tcpip/current/src/sys/net/if_ethersubr.c:326: dereferencing pointer to
> incomplete type
> /ecos-e/CygwinHome/repository/ecos/packages/net/bsd_tcpip/current/src/sys/net/if_ethersubr.c:151: warning: unused variable `off'
> /ecos-e/CygwinHome/repository/ecos/packages/net/bsd_tcpip/current/src/sys/net/if_ethersubr.c: In function `cyg_ether_demux':
> /ecos-e/CygwinHome/repository/ecos/packages/net/bsd_tcpip/current/src/sys/net/if_ethersubr.c:536: dereferencing pointer to
> incomplete type
> /ecos-e/CygwinHome/repository/ecos/packages/net/bsd_tcpip/current/src/sys/net/if_ethersubr.c: In function `cyg_ether_ifattach':
> /ecos-e/CygwinHome/repository/ecos/packages/net/bsd_tcpip/current/src/sys/net/if_ethersubr.c:739: dereferencing pointer to
> incomplete type
> /ecos-e/CygwinHome/repository/ecos/packages/net/bsd_tcpip/current/src/sys/net/if_ethersubr.c: In function `cyg_ether_ioctl':
> /ecos-e/CygwinHome/repository/ecos/packages/net/bsd_tcpip/current/src/sys/net/if_ethersubr.c:848: dereferencing pointer to
> incomplete type
> /ecos-e/CygwinHome/repository/ecos/packages/net/bsd_tcpip/current/src/sys/net/if_ethersubr.c: In function `ether_resolvemulti':
> /ecos-e/CygwinHome/repository/ecos/packages/net/bsd_tcpip/current/src/sys/net/if_ethersubr.c:874: warning: unused variable `sin'
> make[1]: *** [src/sys/net/if_ethersubr.o.d] Error 1
> make[1]: Leaving directory `/ecos-e/CygwinHome/ecos-build/ecos-net3_build/net/bsd_tcpip/current'
> make: *** [build] Error 2
> make: Leaving directory `/ecos-e/CygwinHome/ecos-build/ecos-net3_build'
> 
> Should it be possible to build eCos with INET disabled?

Possibly not, we've never tried it ;-)

Why would you want to [in this day and age]?

-- 
.--------------------------------------------------------.
|       Mind: Embedded Linux and eCos Development        |
|--------------------------------------------------------|
| Gary Thomas              email:  gary dot thomas at mind dot be   |
| Mind ( http://mind.be )  tel:    +1 (970) 229-1963     |
| gpg: http://www.chez-thomas.org/gary/gpg_key.asc       |
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