From a92e02162591f4692fa5042853b792f3a52cdc87 Mon Sep 17 00:00:00 2001
From: Benau <Benau@users.noreply.github.com>
Date: Mon, 19 Jul 2021 12:22:45 +0800
Subject: [PATCH] Fix compilation with old SDL2, fix #4554

---
 src/input/sdl_controller.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/input/sdl_controller.cpp b/src/input/sdl_controller.cpp
index 122c38f5a..6be4a3723 100644
--- a/src/input/sdl_controller.cpp
+++ b/src/input/sdl_controller.cpp
@@ -269,9 +269,11 @@ void SDLController::doRumble(float strength_low, float strength_high, uint32_t d
     else
 #endif
     {
+#if SDL_VERSION_ATLEAST(2,0,9)
         uint16_t scaled_low = strength_low * pow(2, 16);
         uint16_t scaled_high = strength_high * pow(2, 16);
         SDL_GameControllerRumble(m_game_controller, scaled_low, scaled_high, duration_ms);
+#endif
     }
 }