diff --git a/m4/.gitignore b/m4/.gitignore
index 815e14ce..985c2800 100644
--- a/m4/.gitignore
+++ b/m4/.gitignore
@@ -4,6 +4,7 @@ fcntl-o.m4
 gettext.m4
 glibc2.m4
 glibc21.m4
+host-cpu-c-abi.m4
 iconv.m4
 intdiv0.m4
 intl.m4