--- src/Inventor/Qt/common/viewers/SoGuiViewer.h.in.orig	2023-11-20 23:42:54.863005000 +0100
+++ src/Inventor/Qt/common/viewers/SoGuiViewer.h.in	2023-11-20 23:43:09.606863000 +0100
@@ -49,7 +49,7 @@
 // Include this first, as a workaround for building on top of SGI and
 // TGS Inventor on some Linux distributions. (The bug is in SGI/TGS
 // Inventor.)
-#include <cmath>
+// #include <cmath>
 
 #include <Inventor/SbTime.h>
 #include <Inventor/SoType.h>