From: Bruno Haible <bruno@clisp.org>
Date: Tue, 29 Apr 2025 00:15:55 +0000 (+0200)
Subject: build: Ignore -Wduplicated-branches warnings.
X-Git-Tag: v0.25~39
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=e87aaccabe4be2161f7192fdb96db954ea65fd07;p=thirdparty%2Fgettext.git

build: Ignore -Wduplicated-branches warnings.

* m4/more-warnings.m4 (gt_MORE_WARNINGS): Don't add the -Wduplicated-branches
option.
---

diff --git a/m4/more-warnings.m4 b/m4/more-warnings.m4
index 1a8afd9fe..fa2477402 100644
--- a/m4/more-warnings.m4
+++ b/m4/more-warnings.m4
@@ -1,6 +1,6 @@
 # more-warnings.m4
-# serial 4 (gettext-0.24)
-dnl Copyright (C) 2023-2024 Free Software Foundation, Inc.
+# serial 5 (gettext-0.25)
+dnl Copyright (C) 2023-2025 Free Software Foundation, Inc.
 dnl This file is free software, distributed under the terms of the GNU
 dnl General Public License.  As a special exception to the GNU General
 dnl Public License, this file may be distributed as part of a program
@@ -110,6 +110,10 @@ AS_HELP_STRING([[--disable-more-warnings]], [obey exactly the warning options sp
     dnl Unused parameters are frequent in functions that are meant to implement
     dnl a given function type.
     nw="$nw -Wunused-parameter"
+    dnl If/else statements with two identical branches (after constant
+    dnl expression evaluation) can occur, when the code uses platform-dependent
+    dnl constants.
+    nw="$nw -Wduplicated-branches"
     dnl
     dnl Next, the warnings that are generated with -O2:
     dnl This warning option frequently produces false alarms.