From f88d817dcac470b4f3f531453d2e7b255e85cf68 Mon Sep 17 00:00:00 2001
From: Drew DeVault <sir@cmpwn.com>
Date: Wed, 23 Sep 2020 12:44:42 -0400
Subject: [PATCH] Generalize IPV6_V6ONLY usage

Some platforms other than Linux may implement this socket option.
---
 config.sh    | 6 ------
 src/server.c | 2 +-
 2 files changed, 1 insertion(+), 7 deletions(-)

diff --git a/config.sh b/config.sh
index 6e6aafa..e1dfa97 100644
--- a/config.sh
+++ b/config.sh
@@ -30,12 +30,6 @@ do
 	esac
 done
 
-case "$(uname)" in
-	Linux)
-		CFLAGS="$CFLAGS -DLINUX"
-		;;
-esac
-
 subdir() {
 	eval ". $srcdir/$1/configure"
 }
diff --git a/src/server.c b/src/server.c
index 39c2c07..234d18c 100644
--- a/src/server.c
+++ b/src/server.c
@@ -50,7 +50,7 @@ server_init(struct gmnisrv_server *server, struct gmnisrv_config *conf)
 			in.sin6_port = htons(b->port);
 			addr = (struct sockaddr *)&in;
 			addrsz = sizeof(in);
-#ifdef LINUX
+#ifdef IPV6_V6ONLY
 			static int t = 1;
 			setsockopt(sockfd, IPPROTO_IPV6,
 				IPV6_V6ONLY, &t, sizeof(t));