src/Pure/Thy/sessions.scala
changeset 72375 e48d93811ed7
parent 72323 e36f94e2eb6b
child 72565 ed5b907bbf50
--- a/src/Pure/Thy/sessions.scala	Sat Oct 03 23:01:40 2020 +0100
+++ b/src/Pure/Thy/sessions.scala	Mon Oct 05 21:15:58 2020 +0200
@@ -1132,7 +1132,7 @@
     def output_log(name: String): Path = output_dir + log(name)
     def output_log_gz(name: String): Path = output_dir + log_gz(name)
 
-    def prepare_output_dir() { Isabelle_System.mkdirs(output_dir + Path.basic("log")) }
+    def prepare_output_dir() { Isabelle_System.make_directory(output_dir + Path.basic("log")) }
 
 
     /* heap */