From 6e318dc8b20329290a4282872b945acd61e922b7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Henrik=20Rydg=C3=A5rd?= <hrydgard@gmail.com>
Date: Sat, 29 Apr 2023 12:34:25 +0200
Subject: [PATCH] Don't try to use precise mousewheel events on old SDL
 versions.

Fixes compile-time compatibility with older version of SDL.
---
 SDL/SDLMain.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/SDL/SDLMain.cpp b/SDL/SDLMain.cpp
index 0a989aa419..d81157d83d 100644
--- a/SDL/SDLMain.cpp
+++ b/SDL/SDLMain.cpp
@@ -1171,6 +1171,7 @@ int main(int argc, char *argv[]) {
 					KeyInput key;
 					key.deviceId = DEVICE_ID_MOUSE;
 					key.flags = KEY_DOWN;
+#if SDL_VERSION_ATLEAST(2, 0, 18)
 					if (event.wheel.preciseY != 0.0f) {
 						// Should the scale be DPI-driven?
 						const float scale = 30.0f;
@@ -1184,6 +1185,7 @@ int main(int argc, char *argv[]) {
 						NativeKey(key);
 						break;
 					}
+#endif
 					// TODO: Should we even keep the "non-precise" events?
 					if (event.wheel.y > 0) {
 						key.keyCode = NKCODE_EXT_MOUSEWHEEL_UP;