diff --git a/.hgignore b/.hgignore
--- a/.hgignore
+++ b/.hgignore
@@ -5,7 +5,6 @@
 *.DS_Store
 *mono_crash*
 *.pytest_cache/*
-log*.txt
 
 packages/*
 [Dd]ebug/
@@ -19,6 +18,8 @@
 [Oo]bj/
 [Ll]og/
 [Ll]ogs/
+log*.txt
+*build_log.txt
 
 
 *.app/*
@@ -31,3 +32,5 @@
 isometric-park-fna/DynamicLanguageRuntime.1.3.0/*
 isometric-park-fna/IronPython.2.7.11/
 **.patch
+
+FNA/obj_core/*