From 57e4316b68b1500ebec5ee88cabb551d8229cb1d Mon Sep 17 00:00:00 2001
From: Viktor Szakats <commit@vsz.me>
Date: Mon, 20 May 2024 21:32:55 +0200
Subject: [PATCH] build: enable `-Wlogical-op` for GCC 4.4+

Closes #1941
---
 acinclude.m4              | 5 +++++
 cmake/PickyWarnings.cmake | 1 +
 2 files changed, 6 insertions(+)

diff --git a/acinclude.m4 b/acinclude.m4
index 909e87c7..031755d1 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -478,6 +478,11 @@ AC_DEFUN([CURL_CC_DEBUG_OPTS],
             tmp_CFLAGS="$tmp_CFLAGS -ftree-vrp"
           fi
 
+          dnl Only gcc 4.4 or later
+          if test "$compiler_num" -ge "404"; then
+            CURL_ADD_COMPILER_WARNINGS([tmp_CFLAGS], [logical-op])
+          fi
+
           dnl Only gcc 4.5 or later
           if test "$compiler_num" -ge "405"; then
             CURL_ADD_COMPILER_WARNINGS([tmp_CFLAGS], [jump-misses-init])
diff --git a/cmake/PickyWarnings.cmake b/cmake/PickyWarnings.cmake
index ac63b8fa..8430d53b 100644
--- a/cmake/PickyWarnings.cmake
+++ b/cmake/PickyWarnings.cmake
@@ -179,6 +179,7 @@ if(PICKY_COMPILER)
         list(APPEND _picky_enable
           -Wdouble-promotion               # clang  3.6  gcc  4.6  appleclang  6.1
           -Wformat=2                       # clang  3.0  gcc  4.8
+          -Wlogical-op                     #             gcc  4.4
           -Wtrampolines                    #             gcc  4.6
         )
       endif()