From d2ea67e96f5dfb33259b4a96b3bd730c13012003 Mon Sep 17 00:00:00 2001
From: Paul Eggert <eggert@cs.ucla.edu>
Date: Mon, 13 Sep 2004 12:08:33 +0000
Subject: [PATCH] (my-distcheck): When building with -Werror, also require
 -Wshadow.

---
 Makefile.maint | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Makefile.maint b/Makefile.maint
index 9fced62d1f..083b71d27a 100644
--- a/Makefile.maint
+++ b/Makefile.maint
@@ -379,7 +379,7 @@ null_AM_MAKEFLAGS = \
 # Detect format-string/arg-list mismatches that would normally be obscured
 # by the use of _().  The --disable-nls effectively defines away that macro,
 # and building with CFLAGS='-Wformat -Werror' causes any format warning to be
-# treated as a failure.
+# treated as a failure.  Also, check for shadowing problems with -Wshadow.
 TMPDIR ?= /tmp
 t=$(TMPDIR)/$(PACKAGE)/test
 my-distcheck: $(local-check)
@@ -388,7 +388,7 @@ my-distcheck: $(local-check)
 	GZIP=$(GZIP_ENV) $(AMTAR) -C $(t) -zxf $(distdir).tar.gz
 	cd $(t)/$(distdir)				\
 	  && ./configure --disable-nls			\
-	  && $(MAKE) CFLAGS='-Wformat -Werror'		\
+	  && $(MAKE) CFLAGS='-Wformat -Werror -Wshadow'	\
 	      AM_MAKEFLAGS='$(null_AM_MAKEFLAGS)'	\
 	  && $(MAKE) dvi				\
 	  && $(MAKE) check				\
-- 
2.47.2