diff --git a/.gitignore b/.gitignore
index 60edadc..e81f231 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 *\~
+TAGS
 build-deps
diff --git a/build.ss b/build.ss
index 8971f3e..0b6399f 100755
--- a/build.ss
+++ b/build.ss
@@ -6,4 +6,5 @@
   '("fancy/format"
     "fancy/table"
     "fancy/rule"
-    "fancy/spinner"))
+    "fancy/spinner")
+  optimize: #t debug: 'src)