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>
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@ -20,8 +20,8 @@ endif
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define DHCPCD_CONFIGURE_CMDS
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(cd $(@D); \
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$(TARGET_CONFIGURE_OPTS) ./configure \
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--os=linux \
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$(TARGET_CONFIGURE_OPTS) CFLAGS="$(TARGET_CFLAGS) -D_GNU_SOURCE" \
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./configure --os=linux \
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$(DHCPCD_CONFIG_OPTS) )
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endef
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