diff --git a/.gitignore b/.gitignore
index 90dc98a8..62e23bc8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -18,7 +18,14 @@ install-sh
 depcomp
 libtool
 ltmain.sh
-m4/*
+
+# Added automatically by `autoreconf`
+m4/libtool.m4
+m4/ltoptions.m4
+m4/ltsugar.m4
+m4/ltversion.m4
+m4/lt~obsolete.m4
+
 missing
 nohup.out
 vgdump