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@@ -0,0 +1,39 @@
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+From 9700927a008a803ac119bdf816bdc1baa69d705c Mon Sep 17 00:00:00 2001
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+From: Thomas De Schampheleire <thomas.de_schampheleire@nokia.com>
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+Date: Wed, 20 Feb 2019 15:41:51 +0100
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+Subject: [PATCH] ss: fix compilation under glibc < 2.18
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+
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+Commit c759116a0b2b6da8df9687b0a40ac69050132c77 introduced support for
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+AF_VSOCK. This define is only provided since glibc version 2.18, so
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+compilation fails when using older toolchains.
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+
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+Provide the necessary definitions if needed.
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+
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+Signed-off-by: Thomas De Schampheleire <thomas.de_schampheleire@nokia.com>
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+Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
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+---
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+ misc/ss.c | 8 ++++++++
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+ 1 file changed, 8 insertions(+)
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+
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+diff --git a/misc/ss.c b/misc/ss.c
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+index 9e821faf..766fdc5f 100644
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+--- a/misc/ss.c
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++++ b/misc/ss.c
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+@@ -51,6 +51,14 @@
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+ #include <linux/tipc_netlink.h>
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+ #include <linux/tipc_sockets_diag.h>
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+
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++/* AF_VSOCK/PF_VSOCK is only provided since glibc 2.18 */
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++#ifndef PF_VSOCK
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++#define PF_VSOCK 40
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++#endif
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++#ifndef AF_VSOCK
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++#define AF_VSOCK PF_VSOCK
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++#endif
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++
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+ #define MAGIC_SEQ 123456
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+ #define BUF_CHUNK (1024 * 1024)
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+ #define LEN_ALIGN(x) (((x) + 1) & ~1)
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+--
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+2.19.2
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+
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