try readlink -f instead

fix-rpaths.py

@@ -25,7 +25,7 @@ binaries = []
 for binary in binaries_unfiltered:
     if binary.endswith('.framework'):
         current_symlink = join(binary, 'Versions/Current/' + basename(binary).split(".")[0])
-        current_realpath = subprocess.check_output(["realpath", current_symlink], text=True).strip()
+        current_realpath = subprocess.check_output(["readlink", "-f", current_symlink], text=True).strip()
         binaries.append(current_realpath)
     else:
         binaries.append(binary)