From 51dfdfab967234f0fa9939bd7158cc96a9ec3547 Mon Sep 17 00:00:00 2001
From: Riteo <riteo@posteo.net>
Date: Thu, 25 May 2023 04:43:07 +0200
Subject: [PATCH] Build `JoypadLinux` sandbox detection method only with udev

Fixes an `unused-function` warning when building with `udev=no`.
---
 platform/linuxbsd/joypad_linux.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/platform/linuxbsd/joypad_linux.cpp b/platform/linuxbsd/joypad_linux.cpp
index a9725fff2e6..ab79885fb48 100644
--- a/platform/linuxbsd/joypad_linux.cpp
+++ b/platform/linuxbsd/joypad_linux.cpp
@@ -74,6 +74,7 @@ void JoypadLinux::Joypad::reset() {
 	events.clear();
 }
 
+#ifdef UDEV_ENABLED
 // This function is derived from SDL:
 // https://github.com/libsdl-org/SDL/blob/main/src/core/linux/SDL_sandbox.c#L28-L45
 static bool detect_sandbox() {
@@ -93,6 +94,7 @@ static bool detect_sandbox() {
 
 	return false;
 }
+#endif // UDEV_ENABLED
 
 JoypadLinux::JoypadLinux(Input *in) {
 #ifdef UDEV_ENABLED