File 0020-Fix-building-on-FreeBSD.patch of Package libnvidia-egl-wayland2

From 3bda68accb174e112e21f37b348cbab3da912afd Mon Sep 17 00:00:00 2001
From: Kyle Brenneman <kbrenneman@nvidia.com>
Date: Mon, 22 Dec 2025 07:49:35 -0700
Subject: [PATCH 20/21] Fix building on FreeBSD.

FreeBSD doesn't have ETIME, so if drmSyncobjTimelineWait times out, it
will fail with ETIMEDOUT instead.

Also remove the ETIME check after calling poll(), since that function
doesn't use ETIME for anything.
---
 src/wayland/wayland-swapchain.c | 2 +-
 src/wayland/wayland-swapchain.h | 5 +++++
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/wayland/wayland-swapchain.c b/src/wayland/wayland-swapchain.c
index 58eacd5..dec28d3 100644
--- a/src/wayland/wayland-swapchain.c
+++ b/src/wayland/wayland-swapchain.c
@@ -705,7 +705,7 @@ static int CheckBufferReleaseImplicit(WlDisplayInstance *inst,
         }
         return count;
     }
-    else if (ret == 0 || errno == ETIME || errno == EINTR)
+    else if (ret == 0 || errno == EINTR)
     {
         // Nothing freed up before the timeout, but that's not a fatal error
         // here.
diff --git a/src/wayland/wayland-swapchain.h b/src/wayland/wayland-swapchain.h
index 3316a03..13996c8 100644
--- a/src/wayland/wayland-swapchain.h
+++ b/src/wayland/wayland-swapchain.h
@@ -32,6 +32,11 @@
 #include "wayland-platform.h"
 #include "wayland-timeline.h"
 
+// FreeBSD doesn't have ETIME, so the DRM calls return ETIMEDOUT instead.
+#ifndef ETIME
+#define ETIME ETIMEDOUT
+#endif
+
 typedef enum
 {
     /**
-- 
2.51.0