From cc4e07d3e8405e8cdf887d840fca6dc52b9e12fe Mon Sep 17 00:00:00 2001
From: Simon Josefsson <simon@josefsson.org>
Date: Mon, 4 Jan 2021 23:12:46 +0100
Subject: [PATCH] maintainer-makefile: Invoke syntax-checks regardless of
 locale.

* top/maint.mk (syntax-check-rules): Invoke sed with LANG=C
environment because [a-z] may not include 'w' in all locales.
---
 ChangeLog    | 6 ++++++
 top/maint.mk | 2 +-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index c86fb7888..9ebc32bea 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2021-01-04  Simon Josefsson  <simon@josefsson.org>
+
+	maintainer-makefile: Invoke syntax-checks regardless of locale.
+	* top/maint.mk (syntax-check-rules): Invoke sed with LANG=C
+	environment because [a-z] may not include 'w' in all locales.
+
 2021-01-04  Bruno Haible  <bruno@clisp.org>
 
 	nstrftime, time_rz: Avoid using an obsolete Autoconf macro.
diff --git a/top/maint.mk b/top/maint.mk
index ee8c5ebd1..87f65c7e0 100644
--- a/top/maint.mk
+++ b/top/maint.mk
@@ -163,7 +163,7 @@ ifneq ($(_gl-Makefile),)
 _cfg_mk := $(wildcard $(srcdir)/cfg.mk)
 
 # Collect the names of rules starting with 'sc_'.
-syntax-check-rules := $(sort $(shell $(SED) -n \
+syntax-check-rules := $(sort $(shell env LANG=C $(SED) -n \
    's/^\(sc_[a-zA-Z0-9_-]*\):.*/\1/p' $(srcdir)/$(ME) $(_cfg_mk)))
 .PHONY: $(syntax-check-rules)
 
-- 
2.20.1