--- /dev/null
+# Copyright (C) 1991 Free Software Foundation, Inc.
+# This file is part of the GNU C Library.
+
+# The GNU C Library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Library General Public License
+# as published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+
+# The GNU C Library 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
+# Library General Public License for more details.
+
+# You should have received a copy of the GNU Library General Public
+# License along with the GNU C Library; see the file COPYING.LIB. If
+# not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+# Cambridge, MA 02139, USA.
+
+errno.texinfo = $(..)manual/errno.texinfo
+
+$(objpfx)errnos.h: $(errno.texinfo) $(objpfx)errnos.awk
+ awk -f $(word 2,$^) $< > $@-tmp
+ mv $@-tmp $@
+$(objpfx)sys_errlist.c: $(errno.texinfo) $(objpfx)sys_errlist.awk
+ grep '^@comment.###errno:' $< | sort -n +3 | \
+ awk -f $(word 2,$^) > $@-tmp
+ mv $@-tmp $@
+
+before-compile := $(before-compile) $(objpfx)errnos.h $(objpfx)sys_errlist.c