Centralize copyright information for Qt

Maintain one central place - .cmake.conf - for information
about Qt's copyright.

Pick-to: 6.2 6.5
Change-Id: Ibcbce4313eba9660d459061b0ad00307e267b8f7
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>

.cmake.conf

@@ -10,6 +10,9 @@ endif()
 set(QT_REPO_MODULE_VERSION "6.6.0")
 set(QT_REPO_MODULE_PRERELEASE_VERSION_SEGMENT "alpha1")
 
+set(QT_COPYRIGHT_YEAR "2023")
+set(QT_COPYRIGHT "Copyright (C) ${QT_COPYRIGHT_YEAR} The Qt Company Ltd and other contributors.")
+
 # Minimum requirement for building Qt
 set(QT_SUPPORTED_MIN_CMAKE_VERSION_FOR_BUILDING_QT_SHARED "3.16")
 set(QT_SUPPORTED_MIN_CMAKE_VERSION_FOR_BUILDING_QT_STATIC "3.21")

cmake/QtPostProcessHelpers.cmake

@@ -732,6 +732,12 @@ set(OpenGL_GL_PREFERENCE \"${OpenGL_GL_PREFERENCE}\" CACHE STRING \"\")
 ")
         endif()
 
+        string(APPEND QT_EXTRA_BUILD_INTERNALS_VARS
+            "
+set(QT_COPYRIGHT_YEAR \"${QT_COPYRIGHT_YEAR}\" CACHE STRING \"\")
+set(QT_COPYRIGHT \"${QT_COPYRIGHT}\" CACHE STRING \"\")
+")
+
         qt_compute_relative_path_from_cmake_config_dir_to_prefix()
         configure_file(
             "${CMAKE_CURRENT_LIST_DIR}/QtBuildInternalsExtra.cmake.in"

cmake/QtTargetHelpers.cmake

@@ -326,7 +326,7 @@ function(qt_set_target_info_properties target)
         set(arg_TARGET_COMPANY "The Qt Company Ltd.")
     endif()
     if("${arg_TARGET_COPYRIGHT}" STREQUAL "")
-        set(arg_TARGET_COPYRIGHT "Copyright (C) 2023 The Qt Company Ltd.")
+        set(arg_TARGET_COPYRIGHT "${QT_COPYRIGHT}")
     endif()
     set_target_properties(${target} PROPERTIES
         QT_TARGET_VERSION "${arg_TARGET_VERSION}"

configure.cmake

@@ -1332,3 +1332,6 @@ qt_extra_definition("QT_VERSION_STR" "\"${PROJECT_VERSION}\"" PUBLIC)
 qt_extra_definition("QT_VERSION_MAJOR" ${PROJECT_VERSION_MAJOR} PUBLIC)
 qt_extra_definition("QT_VERSION_MINOR" ${PROJECT_VERSION_MINOR} PUBLIC)
 qt_extra_definition("QT_VERSION_PATCH" ${PROJECT_VERSION_PATCH} PUBLIC)
+
+qt_extra_definition("QT_COPYRIGHT" \"${QT_COPYRIGHT}\" PRIVATE)
+qt_extra_definition("QT_COPYRIGHT_YEAR" \"${QT_COPYRIGHT_YEAR}\" PRIVATE)

src/tools/qdbuscpp2xml/qdbuscpp2xml.cpp

@@ -37,7 +37,7 @@ static const char docTypeHeader[] =
 
 #define PROGRAMNAME     "qdbuscpp2xml"
 #define PROGRAMVERSION  "0.2"
-#define PROGRAMCOPYRIGHT "Copyright (C) 2023 The Qt Company Ltd."
+#define PROGRAMCOPYRIGHT QT_COPYRIGHT
 
 static QString outputFile;
 static int flags;

src/tools/qdbusxml2cpp/qdbusxml2cpp.cpp

@@ -21,7 +21,7 @@
 
 #define PROGRAMNAME     "qdbusxml2cpp"
 #define PROGRAMVERSION  "0.8"
-#define PROGRAMCOPYRIGHT "Copyright (C) 2023 The Qt Company Ltd."
+#define PROGRAMCOPYRIGHT QT_COPYRIGHT
 
 #define ANNOTATION_NO_WAIT      "org.freedesktop.DBus.Method.NoReply"
 

src/tools/qlalr/CMakeLists.txt

@@ -23,5 +23,6 @@ qt_internal_add_tool(${target_name}
         QT_NO_FOREACH
     LIBRARIES
         Qt::Core
+        Qt::CorePrivate
 )
 qt_internal_return_unless_building_tools()

src/tools/qlalr/cppgenerator.cpp

@@ -10,6 +10,7 @@
 #include <QtCore/qtextstream.h>
 #include <QtCore/qfile.h>
 #include <QtCore/qmap.h>
+#include <QtCore/private/qconfig_p.h>
 
 #include <iterator>
 
@@ -42,7 +43,7 @@ void generateList(const QList<int> &list, QTextStream &out)
 QString CppGenerator::copyrightHeader() const
 {
   return
-    "// Copyright (C) 2016 The Qt Company Ltd.\n"
+    "// " QT_COPYRIGHT "\n"
     "// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0\n"
     "\n"_L1;
 }

src/widgets/dialogs/qmessagebox.cpp

@@ -1921,7 +1921,7 @@ void QMessageBox::aboutQt(QWidget *parent, const QString &title)
         "<p>Qt and the Qt logo are trademarks of The Qt Company Ltd.</p>"
         "<p>Qt is The Qt Company Ltd product developed as an open source "
         "project. See <a href=\"http://%3/\">%3</a> for more information.</p>"
-        ).arg(QStringLiteral("2023"),
+        ).arg(QLatin1String(QT_COPYRIGHT_YEAR),
               QStringLiteral("qt.io/licensing"),
               QStringLiteral("qt.io"));
     QMessageBox *msgBox = new QMessageBox(parent);