Subject: 30.0.50; Build failure on old GNU/Linux system

From: Po Lu <[email-masked]>
Date: Mon, 16 Jan 2023 09:19:45 +0800

Since the last gnulib merge, Emacs refuses to build on Fedora 9:

qcopy-acl.c: In function ‘is_attr_permissions’:
qcopy-acl.c:36: warning: implicit declaration of function ‘attr_copy_action’
qcopy-acl.c:36: error: ‘ATTR_ACTION_PERMISSIONS’ undeclared (first use in this function)
qcopy-acl.c:36: error: (Each undeclared identifier is reported only once
qcopy-acl.c:36: error: for each function it appears in.)

Would someone please take a look at this?  Thanks.