diff --git a/m4/.cvsignore b/m4/.cvsignore
new file mode 100644
index 00000000..38066ddf
--- /dev/null
+++ b/m4/.cvsignore
@@ -0,0 +1,5 @@
+libtool.m4
+ltoptions.m4
+ltsugar.m4
+ltversion.m4
+lt~obsolete.m4