Re: emacs26, ucs-normalize.el, Symbol’s function definition is void: regexp-opt-charset

[Paul Eggert <eggert@cs.ucla.edu>]

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On 2/13/19 12:04 PM, Glenn Morris wrote:
> There is a problem, however, as shown by the fact that in a
> --without-x build post-bootstrap, this fails:
>
> ./src/emacs -Q -batch -f batch-byte-compile lisp/international/ucs-normalize.el
>
> Error: Symbol's function definition is void: regexp-opt-charset

Yes, I observe that problem too. I fixed it by installing the attached 
patch into the master branch. It's not clear to me whether it's worth 
backporting this into emacs-26, as the problem occurs only with unusual 
actions after unusual builds.


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From d1dc424721e5d13fc1ddf69ab4057517e4e77c64 Mon Sep 17 00:00:00 2001
From: Paul Eggert <eggert@cs.ucla.edu>
Date: Wed, 13 Feb 2019 15:03:01 -0800
Subject: [PATCH] Add missing dependency to ucs-normalize.el

* lisp/international/ucs-normalize.el:
Require regexp-opt when compiling.  Problem reported by hx in:
https://lists.gnu.org/r/emacs-devel/2019-02/msg00334.html
---
 lisp/international/ucs-normalize.el | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lisp/international/ucs-normalize.el b/lisp/international/ucs-normalize.el
index 9d55470d94..6f1e770c09 100644
--- a/lisp/international/ucs-normalize.el
+++ b/lisp/international/ucs-normalize.el
@@ -109,7 +109,9 @@
 
 (defconst ucs-normalize-version "1.2")
 
-(eval-when-compile (require 'cl-lib))
+(eval-when-compile
+  (require 'cl-lib)
+  (require 'regexp-opt))
 
 (declare-function nfd "ucs-normalize" (char))
 
-- 
2.20.1