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diff --git a/m4/prereq.m4 b/m4/prereq.m4
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+++ b/m4/prereq.m4
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+#serial 78
+
+dnl We use gl_ for non Autoconf macros.
+m4_pattern_forbid([^gl_[ABCDEFGHIJKLMNOPQRSTUVXYZ]])dnl
+
+# These are the prerequisite macros for files in the lib/
+# directory of the coreutils package.
+
+
+# Copyright (C) 1998-2022 Free Software Foundation, Inc.
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+# Written by Jim Meyering.
+
+
+AC_DEFUN([gl_PREREQ],
+[
+  # gnulib settings.
+  AC_REQUIRE([gl_FUNC_NONREENTRANT_EUIDACCESS])
+
+  # We don't use c-stack.c.
+  # AC_REQUIRE([gl_C_STACK])
+
+  # Invoke macros of modules that may migrate into gnulib.
+  # There's no need to list gnulib modules here, since gnulib-tool
+  # handles that; see ../bootstrap.conf.
+  AC_REQUIRE([gl_FUNC_XATTR])
+])