libpcap: Fix build when PACKAGECONFIG ipv6 is not enableross/master

Add patches to fix error:
/
| ERROR: oe_runmake failed
| config.status: creating pcap-config.tmp
| mv pcap-config.tmp pcap-config
| chmod a+x pcap-config
| ../libpcap-1.8.1/gencode.c: In function 'pcap_compile':
| ../libpcap-1.8.1/gencode.c:693:8: error: 'compiler_state_t
| {aka struct _compiler_state}' has no member named 'ai'
|   cstate.ai = NULL;
|         ^
| ../libpcap-1.8.1/gencode.c: In function 'gen_gateway':
| ../libpcap-1.8.1/gencode.c:4914:13: error: 'cstate' undeclared
| (first use in this function)
|    bpf_error(cstate, "direction applied to 'gateway'");
|              ^~~~~~
| ../libpcap-1.8.1/gencode.c:4914:13: note: each undeclared identifier is
| reported only once for each function it appears in
\

Patches were submitted to upstream [1]

[1] https://github.com/the-tcpdump-group/libpcap/pull/541

Signed-off-by: Fabio Berton <fabio.berton@ossystems.com.br>
Signed-off-by: Ross Burton <ross.burton@intel.com>

1 files changed, 41 insertions, 0 deletions

diff --git a/meta/recipes-connectivity/libpcap/libpcap/0001-Fix-compiler_state_t.ai-usage-when-INET6-is-not-defi.patch b/meta/recipes-connectivity/libpcap/libpcap/0001-Fix-compiler_state_t.ai-usage-when-INET6-is-not-defi.patch
new file mode 100644
index 0000000000..edb6ae5667
--- /dev/null
+++ b/meta/recipes-connectivity/libpcap/libpcap/0001-Fix-compiler_state_t.ai-usage-when-INET6-is-not-defi.patch
@@ -0,0 +1,41 @@
+From 64aa033a061c43fc15c711f2490ae41d23b868c3 Mon Sep 17 00:00:00 2001
+From: Fabio Berton <fabio.berton@ossystems.com.br>
+Date: Thu, 17 Nov 2016 09:44:42 -0200
+Subject: [PATCH 1/2] Fix compiler_state_t.ai usage when INET6 is not defined
+Organization: O.S. Systems Software LTDA.
+
+Fix error:
+
+/
+| ../libpcap-1.8.1/gencode.c: In function 'pcap_compile':
+| ../libpcap-1.8.1/gencode.c:693:8: error: 'compiler_state_t
+| {aka struct _compiler_state}' has no member named 'ai'
+|   cstate.ai = NULL;
+\
+
+Upstream-Status: Submitted [1]
+
+[1] https://github.com/the-tcpdump-group/libpcap/pull/541
+
+Signed-off-by: Fabio Berton <fabio.berton@ossystems.com.br>
+---
+ gencode.c | 2 ++
+ 1 file changed, 2 insertions(+)
+
+diff --git a/gencode.c b/gencode.c
+index a887f27..e103c70 100644
+--- a/gencode.c
++++ b/gencode.c
+@@ -690,7 +690,9 @@ pcap_compile(pcap_t *p, struct bpf_program *program,
+ 	}
+ 	initchunks(&cstate);
+ 	cstate.no_optimize = 0;
++#ifdef INET6
+ 	cstate.ai = NULL;
++#endif
+ 	cstate.ic.root = NULL;
+ 	cstate.ic.cur_mark = 0;
+ 	cstate.bpf_pcap = p;
+-- 
+2.1.4
+