diff --git a/.cvsignore b/.cvsignore
index 00bbbf0d2e531dab343007d4dff0fecc33669717..b66ed0fb5533fb694783cbf03cad5c980ea2c8d1 100644
--- a/.cvsignore
+++ b/.cvsignore
@@ -1,3 +1,4 @@
+build
 reports
 test
 test.lpc
diff --git a/.gitignore b/.gitignore
index ada9bcc0fa3f6c0889c2180b9336af509728fc59..391976ae0110e625cf78f5645a9175495eb918f1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -30,6 +30,7 @@ _$*
 *.elc
 *.ln
 core
+/build
 /reports
 /test
 /test.lpc