1 files changed, 5 insertions, 2 deletions
diff --git a/m4/acl.m4 b/m4/acl.m4
index f5ffa3d27..9c7d44649 100644
--- a/m4/acl.m4
+++ b/m4/acl.m4
@@ -19,5 +19,8 @@
 # Written by Paul Eggert.
 
 AC_DEFUN([AC_FUNC_ACL],
-  [AC_CHECK_HEADERS(sys/acl.h)
-   AC_CHECK_FUNCS(acl)])
+[
+  dnl Prerequisites of lib/acl.c.
+  AC_CHECK_HEADERS(sys/acl.h)
+  AC_CHECK_FUNCS(acl)
+])