diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..d87dd454f9ae3895368aa7030c895fe4fd847adb
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,3 @@
+built_packages/
+external/
+build