Update the code to create missing directories upon export

1 files changed, 2 insertions, 1 deletions

diff --git a/src/dune b/src/dune
index 151b2f70..70de366c 100644
--- a/src/dune
+++ b/src/dune
@@ -1,7 +1,8 @@
+;; core: for Core.Unix.mkdir_p
 (executable
  (name main)
  (preprocess (pps ppx_deriving.show ppx_deriving.ord visitors.ppx))
- (libraries ppx_deriving yojson zarith easy_logging))
+ (libraries ppx_deriving yojson zarith easy_logging core))
 
 (env
   (dev (flags