diff --git a/m4/.gitignore b/m4/.gitignore
index 0b1f92ab3e070337f08c3ee46c6c9bd274ff3d55_bTQvLmdpdGlnbm9yZQ==..145bebec2f29d2f9abdc7513fcf33007f816f797_bTQvLmdpdGlnbm9yZQ== 100644
--- a/m4/.gitignore
+++ b/m4/.gitignore
@@ -1,4 +1,5 @@
 codeset.m4
+extern-inline.m4
 fcntl-o.m4
 gettext.m4
 glibc2.m4