From: Maria Matejka <mq@ucw.cz>
Date: Sat, 10 May 2025 14:29:18 +0000 (+0200)
Subject: Fix build for CentOS 7
X-Git-Tag: v3.0.3~8
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=dbb03bc2272e5159c797094e197673a48eeace3c;p=thirdparty%2Fbird.git

Fix build for CentOS 7

Partial cherry-pick of commit 913a9cad574f70acf3d7e5c6293c4bbe27b73074

Co-Authored-By: David Petera <david.petera@nic.cz>
---

diff --git a/sysdep/linux/sysio.h b/sysdep/linux/sysio.h
index 49495e13d..2e4292359 100644
--- a/sysdep/linux/sysio.h
+++ b/sysdep/linux/sysio.h
@@ -22,6 +22,11 @@
 #define TCP_MD5SIG_FLAG_PREFIX 1
 #endif
 
+/* Used for legacy system builds (e.g. CentOS 7) */
+#ifndef UDP_NO_CHECK6_RX
+#define UDP_NO_CHECK6_RX 102
+#endif
+
 /* We redefine the tcp_md5sig structure with different name to avoid collision with older headers */
 struct tcp_md5sig_ext {
   struct  sockaddr_storage tcpm_addr;		/* Address associated */