In case cmake is run in root-dir
diff --git a/.gitignore b/.gitignore
index ef226a8..39d90c2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -34,3 +34,14 @@
 cmake_install.cmake
 pkg-config/jsoncpp.pc
 jsoncpp_lib_static.dir/
+
+# In case someone runs cmake in the root-dir:
+/CMakeCache.txt
+/Makefile
+/include/Makefile
+/src/Makefile
+/src/jsontestrunner/Makefile
+/src/jsontestrunner/jsontestrunner_exe
+/src/lib_json/Makefile
+/src/test_lib_json/Makefile
+/src/test_lib_json/jsoncpp_test