diff --git a/.cvsignore b/.cvsignore
index d0a5064aea43e2f3abfc170f32019165ad661c1c..62041ee3ae2fdf160d8fddf6ec304e8624147cb3 100644
--- a/.cvsignore
+++ b/.cvsignore
@@ -9,6 +9,7 @@ config.cache
 config.h
 config.h.in
 config.log
+config.m4
 config.status
 configure
 desdata
diff --git a/.gitignore b/.gitignore
index d349bdb377b0d8aa37a60b7066b3fcf1b6cd1fe3..54d68e62cb3b6d78e48dbd1b9ce1c82f8578c17f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -41,6 +41,7 @@ core
 /config.h
 /config.h.in
 /config.log
+/config.m4
 /config.status
 /configure
 /desdata