From 58ed671d1003caf32f3c35260531e8e1cd7efb80 Mon Sep 17 00:00:00 2001
From: Aric Belsito <lluixhi@gmail.com>
Date: Sun, 29 Oct 2017 23:17:03 +0100
Subject: [PATCH] Fix build on MUSL

Add missing AI_IDN and NI_IDN declarations.

Bug: https://bugs.gentoo.org/503914
---
 arping.c      |  7 +++++++
 ping.h        | 11 +++++++++++
 tracepath.c   |  8 ++++++++
 traceroute6.c |  4 ++++
 4 files changed, 30 insertions(+)

diff --git a/arping.c b/arping.c
index 0ac18cd..5d2145e 100644
--- a/arping.c
+++ b/arping.c
@@ -45,6 +45,13 @@
 #ifdef USE_IDN
 #include <idna.h>
 #include <locale.h>
+
+#ifndef AI_IDN
+#define AI_IDN 0x0040
+#endif
+#ifndef AI_CANONIDN
+#define AI_CANONIDN 0x0080
+#endif
 #endif
 
 #include "SNAPSHOT.h"
diff --git a/ping.h b/ping.h
index c5f0321..0391de0 100644
--- a/ping.h
+++ b/ping.h
@@ -38,6 +38,17 @@
 #include <locale.h>
 #include <idna.h>
 #include <stringprep.h>
+
+#ifndef AI_IDN
+#define AI_IDN 0x0040
+#endif
+#ifndef AI_CANONIDN
+#define AI_CANONIDN 0x0080
+#endif
+#ifndef NI_IDN
+#define NI_IDN 32
+#endif
+
 #define getaddrinfo_flags (AI_CANONNAME | AI_IDN | AI_CANONIDN)
 #define getnameinfo_flags NI_IDN
 #else
diff --git a/tracepath.c b/tracepath.c
index b0eb911..c50e3ec 100644
--- a/tracepath.c
+++ b/tracepath.c
@@ -30,6 +30,14 @@
 #ifdef USE_IDN
 #include <idna.h>
 #include <locale.h>
+
+#ifndef AI_IDN
+#define AI_IDN 0x0040
+#endif
+#ifndef NI_IDN
+#define NI_IDN 32
+#endif
+
 #define getnameinfo_flags	NI_IDN
 #else
 #define getnameinfo_flags	0
diff --git a/traceroute6.c b/traceroute6.c
index 7807956..c6d868a 100644
--- a/traceroute6.c
+++ b/traceroute6.c
@@ -247,6 +247,10 @@
 #include <idna.h>
 #include <locale.h>
 
+#ifndef NI_IDN
+#define NI_IDN 32
+#endif
+
 #define getnameinfo_flags	NI_IDN
 #else
 #define getnameinfo_flags	0
-- 
2.14.3