From 729dbbb82e81b5feb095c1312ccd04a5e3795289 Mon Sep 17 00:00:00 2001
From: Volker Schlecht <47375452+VlkrS@users.noreply.github.com>
Date: Fri, 17 Apr 2026 19:33:27 +0200
Subject: [PATCH] Fix build for systems without SIGRTMIN/SIGRTMAX

---
 src/modules/image.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/modules/image.cpp b/src/modules/image.cpp
index 98bf3c46..48729cc4 100644
--- a/src/modules/image.cpp
+++ b/src/modules/image.cpp
@@ -46,9 +46,11 @@ void waybar::modules::Image::delayWorker() {
 }
 
 void waybar::modules::Image::refresh(int sig) {
+#ifdef SIGRTMIN
   if (config_["signal"].isInt() && sig == SIGRTMIN + config_["signal"].asInt()) {
     thread_.wake_up();
   }
+#endif
 }
 
 auto waybar::modules::Image::update() -> void {