From 9232ead5625f5534fafac6be5edc245e4ffd13b8 Mon Sep 17 00:00:00 2001
From: Stefan Agner <stefan@agner.ch>
Date: Mon, 24 Jun 2024 15:05:53 +0200
Subject: [PATCH] [posix] fix build with custom netif prefix route set (#10431)
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This fixes a build error when the pre-processor define
OPENTHREAD_POSIX_CONFIG_NETIF_PREFIX_ROUTE_METRIC is set:

```
/usr/src/ot-br-posix/third_party/openthread/repo/src/posix/platform/netif.cpp:486:26: error: ‘kLinkLocalScope’ does not name a type
  486 |         static constexpr kLinkLocalScope = 2;
      |                          ^~~~~~~~~~~~~~~
compilation terminated due to -Wfatal-errors.
```
---
 src/posix/platform/netif.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/posix/platform/netif.cpp b/src/posix/platform/netif.cpp
index ebb0e79a1..12bee4256 100644
--- a/src/posix/platform/netif.cpp
+++ b/src/posix/platform/netif.cpp
@@ -483,7 +483,7 @@ static void UpdateUnicastLinux(otInstance *aInstance, const otIp6AddressInfo &aA
 #endif
     {
 #if OPENTHREAD_POSIX_CONFIG_NETIF_PREFIX_ROUTE_METRIC > 0
-        static constexpr kLinkLocalScope = 2;
+        static constexpr uint8_t kLinkLocalScope = 2;
 
         if (aAddressInfo.mScope > kLinkLocalScope)
         {