diff --git a/.gitignore b/.gitignore
index 16aef12..fa88000 100644
--- a/.gitignore
+++ b/.gitignore
@@ -25,6 +25,9 @@
 /ndn-cpp/stamp-h1
 /aclocal.m4
 /libtool
+/condefs.h
+/conftest.cpp
+/conftest.err
 /m4/*
 *.Po
 .deps