From ec0315e8eddd0e826babc635c3baad3703eb87ab Mon Sep 17 00:00:00 2001
From: Stephen Anthony <sa666666@gmail.com>
Date: Thu, 14 May 2026 12:43:40 -0230
Subject: [PATCH] libretro: Fix build for missing virtual method.

---
 src/os/libretro/FBBackendLIBRETRO.hxx | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/os/libretro/FBBackendLIBRETRO.hxx b/src/os/libretro/FBBackendLIBRETRO.hxx
index b1eabf66b..6d16ade36 100644
--- a/src/os/libretro/FBBackendLIBRETRO.hxx
+++ b/src/os/libretro/FBBackendLIBRETRO.hxx
@@ -94,6 +94,7 @@ class FBBackendLIBRETRO : public FBBackend
     Common::Point getCurrentWindowPos() const override { return Common::Point{}; }
     uInt32 getCurrentDisplayID() const override { return 0; }
     void clear() override { }
+    void flush() override { }
     bool setVideoMode(const VideoModeHandler::Mode&,
                       uInt32, const Common::Point&) override { return true; }
     void grabMouse(bool) override { }