diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000000..f21191651e
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "solver/src/main/java/cpp"]
+	path = solver/src/main/java/cpp
+	url = https://github.com/chocoteam/cpp-integration
diff --git a/solver/src/main/java/cpp b/solver/src/main/java/cpp
new file mode 160000
index 0000000000..6d587a30dd
--- /dev/null
+++ b/solver/src/main/java/cpp
@@ -0,0 +1 @@
+Subproject commit 6d587a30dd1e9d80b9883a797d974c760ffdaa26