bug#25347: 26.0.50; automake-1.15: error: cannot open < lib/../nt/gnulib.mk: No such file or directory

[Sam Steingold]

In GNU Emacs 26.0.50.3 (x86_64-apple-darwin16.3.0, NS appkit-1504.76 Version 
10.12.2 (Build 16C67))
 of 2017-01-03 built on clr-sds
Repository revision: 134e86b360cab0d0a5cb634b71a4b06ec26c5f1f
Windowing system distributor 'Apple', version 10.3.1504

I get

--8<---------------cut here---------------start------------->8---
cd ../.. && /bin/sh /Users/sds/src/emacs/trunk/build-aux/missing automake-1.15 
--gnu lib/Makefile
automake-1.15: error: cannot open < lib/../nt/gnulib.mk: No such file or 
directory
--8<---------------cut here---------------end--------------->8---

on mac because of

10444dc..: Eli Zaretskii 2017-01-03 Generate nt/gnulib.mk from lib/gnulib.mk

(I think)

-- 
Sam Steingold (http://sds.podval.org/) on darwin Ns 10.3.1504
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