Update .gitlab-ci.yml

3d0d7673 · Praetorius, Simon · d45816b4 · 3d0d7673
Commit 3d0d7673 authored Jul 03, 2018 by Praetorius, Simon
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -3,6 +3,9 @@ cache:
  paths:
  - install/

+variables:
+  GIT_SUBMODULE_STRATEGY: recursive
+
 dune:git--gcc:
  image: mathiwr/dune:latest
  script: