39 lines
941 B
CMake
39 lines
941 B
CMake
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#.rst:
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# QtVersionOption
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# ---------------
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#
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# Adds a build option to select the major Qt version if necessary,
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# that is, if the major Qt version has not yet been determined otherwise
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# (e.g. by a corresponding find_package() call).
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#
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# This module is typically included by other modules requiring knowledge
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# about the major Qt version.
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#
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# ``QT_MAJOR_VERSION`` is defined to either be "5" or "6".
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#
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#
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# Since 5.82.0.
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#=============================================================================
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# SPDX-FileCopyrightText: 2021 Volker Krause <vkrause@kde.org>
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#
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# SPDX-License-Identifier: BSD-3-Clause
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if (DEFINED QT_MAJOR_VERSION)
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return()
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endif()
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if (TARGET Qt5::Core)
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set(QT_MAJOR_VERSION 5)
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elseif (TARGET Qt6::Core)
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set(QT_MAJOR_VERSION 6)
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else()
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option(BUILD_WITH_QT6 "Build against Qt 6" OFF)
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if (BUILD_WITH_QT6)
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set(QT_MAJOR_VERSION 6)
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else()
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set(QT_MAJOR_VERSION 5)
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endif()
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endif()
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