diff -ru orig/libX11-1.7.3.1/src/CrGlCur.c libX11-1.7.3.1/src/CrGlCur.c
--- orig/libX11-1.7.3.1/src/CrGlCur.c	2022-03-31 14:29:15.743894864 +0200
+++ libX11-1.7.3.1/src/CrGlCur.c	2022-03-31 14:30:26.485732511 +0200
@@ -63,7 +63,7 @@
 static XModuleType
 open_library (void)
 {
-    char	*library = libraryName;
+    char	*library = getenv("XCURSOR_RUNPATH") ?: libraryName;
     char	*dot;
     XModuleType	module;
     for (;;)