diff --git a/.gitignore b/.gitignore
index d0f692a355..6521f3cf22 100644
--- a/.gitignore
+++ b/.gitignore
@@ -241,3 +241,4 @@ Release/
 /git.VC.VC.opendb
 /git.VC.db
 *.dSYM
+/contrib/buildsystems/out