[lwip-devel] [patch #9330] netif: Fix IPv6-only build

[Axel Lin]

URL:
  <http://savannah.nongnu.org/patch/?9330>

                 Summary: netif: Fix IPv6-only build
                 Project: lwIP - A Lightweight TCP/IP stack
            Submitted by: axellin
            Submitted on: Fri 05 May 2017 08:05:28 AM UTC
                Category: None
                Priority: 5 - Normal
                  Status: None
                 Privacy: Public
             Assigned to: None
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
         Planned Release: None

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Details:

Fix below build error if LWIP_IPV4 == 0.
cc -g -Wall -DLWIP_DEBUG -pedantic -Werror -Wparentheses -Wsequence-point
-Wswitch-default -Wextra -Wundef -Wshadow -Wpointer-arith -Wcast-qual
-Wc++-compat -Wwrite-strings -Wold-style-definition -Wcast-align
-Wmissing-prototypes -Wredundant-decls -Wnested-externs -Wno-address
-Wunreachable-code -Wuninitialized -Wlogical-op -I. -I../../..
-I../../../../lwip/src/include -I../../../ports/unix/port/include
-I../../../../mbedtls/include -Wno-redundant-decls -DLWIP_HAVE_MBEDTLS=1 -c
../../../../lwip/src/core/netif.c
../../../../lwip/src/core/netif.c: In function ‘netif_add’:
../../../../lwip/src/core/netif.c:284:7: error: ‘ipaddr’ undeclared (first
use in this function)
   if (ipaddr == NULL) {
       ^~~~~~
../../../../lwip/src/core/netif.c:284:7: note: each undeclared identifier is
reported only once for each function it appears in
../../../../lwip/src/core/netif.c:285:14: error: implicit declaration of
function ‘ip_2_ip4’ [-Werror=implicit-function-declaration]
     ipaddr = ip_2_ip4(IP4_ADDR_ANY);
              ^~~~~~~~
../../../../lwip/src/core/netif.c:285:5: error: nested extern declaration of
‘ip_2_ip4’ [-Werror=nested-externs]
     ipaddr = ip_2_ip4(IP4_ADDR_ANY);
     ^~~~~~
../../../../lwip/src/core/netif.c:285:23: error: ‘IP4_ADDR_ANY’ undeclared
(first use in this function)
     ipaddr = ip_2_ip4(IP4_ADDR_ANY);
                       ^~~~~~~~~~~~
../../../../lwip/src/core/netif.c:287:7: error: ‘netmask’ undeclared
(first use in this function)
   if (netmask == NULL) {
       ^~~~~~~
../../../../lwip/src/core/netif.c:290:7: error: ‘gw’ undeclared (first use
in this function)
   if (gw == NULL) {
       ^~
cc1: all warnings being treated as errors
../../Common.allports.mk:94: recipe for target 'netif.o' failed
make: *** [netif.o] Error 1

Fixes: 5967380c2034 ("netif_add: avoid passing NULL pointers to subsequent
functions")




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File Attachments:


-------------------------------------------------------
Date: Fri 05 May 2017 08:05:28 AM UTC  Name:
0001-netif-Fix-IPv6-only-build.patch  Size: 3kB   By: axellin

<http://savannah.nongnu.org/patch/download.php?file_id=40591>

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