diff --git a/.lgtm.yml b/.lgtm.yml
new file mode 100644
index 0000000000..dd94c12885
--- /dev/null
+++ b/.lgtm.yml
@@ -0,0 +1,10 @@
+extraction:
+  cpp:
+    configure:
+      command:
+        - cd racket/src
+        - ./configure --disable-docs
+    index:
+      build_command:
+        - cd racket/src
+        - make -j2