diff --git a/lgtm.yml b/lgtm.yml
new file mode 100644
index 00000000..f80bf146
--- /dev/null
+++ b/lgtm.yml
@@ -0,0 +1,5 @@
+extraction:
+  cpp:
+    index:
+      build_command:
+        - make DESTDIR="$LGTM_WORKSPACE/destdir" install