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dhcpcd: fix ipv6 related compile failure 

Add '-D_GNU_SOURCE' to gain missing struct in6_pktinfo definition.

Fixes [1]:

ipv6.h:211:41: error: invalid application of 'sizeof' to incomplete type 'struct in6_pktinfo'
  unsigned char sndbuf[CMSG_SPACE(sizeof(struct in6_pktinfo))];
                                         ^
ipv6.h:195:38: error: invalid application of 'sizeof' to incomplete type 'struct in6_pktinfo'
 #define IP6BUFLEN (CMSG_SPACE(sizeof(struct in6_pktinfo)) + \
                                      ^
ipv6.h:214:23: note: in expansion of macro 'IP6BUFLEN'
  unsigned char rcvbuf[IP6BUFLEN];

[1] http://autobuild.buildroot.net/results/523/523858fb930e74fe28f24989ff0697693b5fdd67

Signed-off-by: Peter Seiderer <ps.report@gmx.net>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
This commit is contained in:
Peter Seiderer 2015-04-28 21:36:28 +02:00 committed by Peter Korsgaard
parent e07ec136ee
commit 6b1f66643d
1 changed files with 2 additions and 2 deletions
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4
package/dhcpcd/dhcpcd.mk
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@ -20,8 +20,8 @@ endif
define DHCPCD_CONFIGURE_CMDS
(cd $(@D); \
$(TARGET_CONFIGURE_OPTS) ./configure \
--os=linux \
$(TARGET_CONFIGURE_OPTS) CFLAGS="$(TARGET_CFLAGS) -D_GNU_SOURCE" \
./configure --os=linux \
$(DHCPCD_CONFIG_OPTS) )
endef