--- a/util/paths.py	Mon Nov 18 22:42:11 2024 +0100
+++ b/util/paths.py	Tue Nov 19 23:52:04 2024 +0100
@@ -50,6 +50,10 @@
     """
     Return folder where to find sibling projects like Modbus, CanFestival, BACnet
     """
+    env_name = name.upper() + "_PATH"
+    if env_name in os.environ:
+        return os.path.join(os.environ[env_name], *suffixes)
+    
     return os.path.join(AbsParentDir(__file__, 2), name, *suffixes)
 
 def Bpath(*names):