From 9f8ed2802da6b48cb71377da84a83db04d3530b8 Mon Sep 17 00:00:00 2001
From: Roop <40358733+sairoop-elear@users.noreply.github.com>
Date: Fri, 7 Feb 2020 11:01:45 +0530
Subject: [PATCH] Fix android (Android 6 or before) compilation issue around
 getifaddr

---
 configure.ac | 2 +-
 src/net.c    | 6 +++---
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/configure.ac b/configure.ac
index 4028613f..00e47fae 100644
--- a/configure.ac
+++ b/configure.ac
@@ -134,7 +134,7 @@ AC_CHECK_TYPES([struct sockaddr_storage], ,AC_MSG_ERROR([System must support str
 
 dnl Checks for library functions.
 AC_TYPE_SIGNAL
-AC_CHECK_FUNCS([asprintf fchmod fork gettimeofday random select setns strdup usleep getifaddrs],
+AC_CHECK_FUNCS([asprintf fchmod fork gettimeofday random select setns strdup usleep getifaddrs freeifaddrs],
   [], [], [#include "$srcdir/src/have.h"]
 )
 
diff --git a/src/net.c b/src/net.c
index 7c600534..95790ac1 100644
--- a/src/net.c
+++ b/src/net.c
@@ -639,7 +639,7 @@ void retry(meshlink_handle_t *mesh) {
 		});
 	}
 
-#ifdef HAVE_IFADDRS_H
+#if defined(HAVE_IFADDRS_H) && defined(HAVE_GETIFADDRS) && defined(HAVE_FREEIFADDRS)
 	struct ifaddrs *ifa = NULL;
 	getifaddrs(&ifa);
 #endif
@@ -655,7 +655,7 @@ void retry(meshlink_handle_t *mesh) {
 			c->last_ping_time = 0;
 		}
 
-#ifdef HAVE_IFADDRS_H
+#if defined(HAVE_IFADDRS_H) && defined(HAVE_GETIFADDRS) && defined(HAVE_FREEIFADDRS)
 
 		if(!ifa) {
 			continue;
@@ -686,7 +686,7 @@ void retry(meshlink_handle_t *mesh) {
 #endif
 	}
 
-#ifdef HAVE_IFADDRS_H
+#if defined(HAVE_IFADDRS_H) && defined(HAVE_GETIFADDRS) && defined(HAVE_FREEIFADDRS)
 
 	if(ifa) {
 		freeifaddrs(ifa);
-- 
2.39.5