From 29979e9227e06db41bde47e89a088ecfc169c756 Mon Sep 17 00:00:00 2001
From: Volker Schlecht <47375452+VlkrS@users.noreply.github.com>
Date: Fri, 17 Apr 2026 19:35:31 +0200
Subject: [PATCH] Fix build for systems without SIGRTMIN/SIGRTMAX

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

diff --git a/src/modules/custom.cpp b/src/modules/custom.cpp
index 28def8c9..99d072de 100644
--- a/src/modules/custom.cpp
+++ b/src/modules/custom.cpp
@@ -138,9 +138,11 @@ void waybar::modules::Custom::waitingWorker() {
 }
 
 void waybar::modules::Custom::refresh(int sig) {
+#ifdef SIGRTMIN
   if (config_["signal"].isInt() && sig == SIGRTMIN + config_["signal"].asInt()) {
     thread_.wake_up();
   }
+#endif
 }
 
 void waybar::modules::Custom::handleEvent() {