optimize reading
diff --git a/.cvsignore b/.cvsignore
index b305728..94d2eb8 100644
--- a/.cvsignore
+++ b/.cvsignore
@@ -1,6 +1,7 @@
 Makefile.in
 Makefile
-aclocal.m4
+*.m4
+ltmain.sh
 configure
 install-sh
 mkinstalldirs