--- projectM/Renderer/Waveform.cpp.orig 2022-04-27 10:54:35.706616587 +0300
+++ projectM/Renderer/Waveform.cpp 2022-04-27 10:54:43.374663065 +0300
@@ -17,6 +17,7 @@
#include "Waveform.hpp"
#include <algorithm>
+#include <functional>
#include "BeatDetect.hpp"
Waveform::Waveform(int samples)