From: Roy Marples <roy@marples.name>
Date: Thu, 9 Apr 2020 16:27:18 +0000 (+0000)
Subject: RTA_PREF was added in kernel-4.1
X-Git-Tag: v9.0.1~9
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9636652017a4218cda07d6a5da8be315032413ee;p=thirdparty%2Fdhcpcd.git

RTA_PREF was added in kernel-4.1
---

diff --git a/src/route.h b/src/route.h
index a061497c..d94fc25d 100644
--- a/src/route.h
+++ b/src/route.h
@@ -61,7 +61,10 @@
 #endif
 
 #ifdef __linux__
-# define HAVE_ROUTE_PREF
+# include <linux/version.h> /* RTA_PREF is only an enum.... */
+# if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 1, 0)
+#  define HAVE_ROUTE_PREF
+# endif
 #endif
 
 #if defined(__OpenBSD__) || defined (__sun)