From: Willy Tarreau <w@1wt.eu>
Date: Wed, 6 Oct 2021 18:06:06 +0000 (+0200)
Subject: BUILD: compat: fix -Wundef on SO_REUSEADDR
X-Git-Tag: v2.5-dev9~87
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=1a2134138aa2cf0e6d7d4cf146b810861254639b;p=thirdparty%2Fhaproxy.git

BUILD: compat: fix -Wundef on SO_REUSEADDR

If USE_NETFILTER is set and not SO_REUSEPORT, we evaluate SO_REUSEADDR,
let's fix that to check that it's defined.
---

diff --git a/include/haproxy/compat.h b/include/haproxy/compat.h
index 19a5317860..18eadcc565 100644
--- a/include/haproxy/compat.h
+++ b/include/haproxy/compat.h
@@ -207,9 +207,9 @@ typedef struct { } empty_t;
  * USE_NETFILTER define.
  */
 #if !defined(SO_REUSEPORT) && defined(USE_NETFILTER)
-#if    (SO_REUSEADDR == 2)
+#if defined(SO_REUSEADDR) && (SO_REUSEADDR == 2)
 #define SO_REUSEPORT 15
-#elif  (SO_REUSEADDR == 0x0004)
+#elif defined(SO_REUSEADDR) && (SO_REUSEADDR == 0x0004)
 #define SO_REUSEPORT 0x0200
 #endif /* SO_REUSEADDR */
 #endif /* SO_REUSEPORT */