From e4a470ed0b5933708ca43aba516e88bfa14fd36d Mon Sep 17 00:00:00 2001
From: Marco Bubke <marco.bubke@qt.io>
Date: Thu, 7 Sep 2023 10:50:58 +0200
Subject: [PATCH] CMake: Fix warning

glibc 2.12 is now over 10 years old. I think we do not support it
anymore.

Change-Id: I3df4ebaa73de07c22ff71e50ddbee5938bd0ce55
Reviewed-by: Qt CI Patch Build Bot <ci_patchbuild_bot@qt.io>
Reviewed-by: Cristian Adam <cristian.adam@qt.io>
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>
---
 .../cmakeprojectmanager/3rdparty/cmake/cmStandardLexer.h     | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/src/plugins/cmakeprojectmanager/3rdparty/cmake/cmStandardLexer.h b/src/plugins/cmakeprojectmanager/3rdparty/cmake/cmStandardLexer.h
index 08088613428..92ce69276d0 100644
--- a/src/plugins/cmakeprojectmanager/3rdparty/cmake/cmStandardLexer.h
+++ b/src/plugins/cmakeprojectmanager/3rdparty/cmake/cmStandardLexer.h
@@ -2,11 +2,6 @@
    file Copyright.txt or https://cmake.org/licensing for details.  */
 #pragma once
 
-#if defined(__linux)
-/* Needed for glibc < 2.12 */
-// NOLINTNEXTLINE(bugprone-reserved-identifier)
-#  define _XOPEN_SOURCE 600
-#endif
 #if !defined(_POSIX_C_SOURCE) && !defined(_WIN32) && !defined(__sun) &&       \
   !defined(__OpenBSD__)
 /* POSIX APIs are needed */