2f7be9e782
Removes the BUILD_QT5 flag and adds a new FREECAD_QT_VERSION option, which can be set to either "Auto" (default), 5, or 6. Auto detects which version of Qt is installed on the system and chooses it. If both version are installed, Qt5 is used. Note that this DOES NOT implement compiling against Qt6, it only adds the necessary cMake infrastructure to begin work on the source code changes that will be required.
88 lines
3.8 KiB
CMake
88 lines
3.8 KiB
CMake
# ADAPTED FOR FREECAD FROM VTK'S vtkQt.cmake
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# ORIGINAL VTK COPYRIGHT NOTICE FOLLOWS (BSD 3-CLAUSE)
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#
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# /*=========================================================================
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#
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# Program: Visualization Toolkit
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# Module: Copyright.txt
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#
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# Copyright (c) 1993-2015 Ken Martin, Will Schroeder, Bill Lorensen
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# * Redistributions of source code must retain the above copyright notice,
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# this list of conditions and the following disclaimer.
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#
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# * Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions and the following disclaimer in the documentation
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# and/or other materials provided with the distribution.
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#
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# * Neither name of Ken Martin, Will Schroeder, or Bill Lorensen nor the names
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# of any contributors may be used to endorse or promote products derived
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# from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR
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# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#
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# =========================================================================*/
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# FREECAD_QT_VERSION is used to choose between Qt5 and Qt6.
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# If it is set to Auto(default), FreeCAD finds and uses the
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# version installed on the system. If both versions are
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# found, Qt5 is preferred.
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# The output variable is FREECAD_QT_MAJOR_VERSION, which will be either 5 or 6
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macro(ChooseQtVersion)
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set(freecad_supported_qt_versions "Auto" 5 6)
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# The following `if` check can be removed once CMake 3.21 is required and
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# the policy CMP0126 is set to NEW.
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if (NOT DEFINED FREECAD_QT_VERSION)
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set(FREECAD_QT_VERSION "Auto" CACHE
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STRING "Expected Qt major version. Valid values are Auto, 5, 6.")
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set_property(CACHE FREECAD_QT_VERSION PROPERTY STRINGS "${freecad_supported_qt_versions}")
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endif()
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if(FREECAD_LIBPACK_USE)
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if (NOT Qt5_DIR OR Qt5_DIR STREQUAL "Qt5_DIR-NOTFOUND")
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message(STATUS "Using Qt5 directory from LibPack in ${FREECAD_LIBPACK_DIR}/lib/cmake/Qt5")
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set(Qt5_DIR ${FREECAD_LIBPACK_DIR}/lib/cmake/Qt5)
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endif()
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endif()
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if (NOT FREECAD_QT_VERSION STREQUAL "Auto")
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if (NOT FREECAD_QT_VERSION IN_LIST freecad_supported_qt_versions)
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message(FATAL_ERROR
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"Supported Qt versions are \"${freecad_supported_qt_versions}\". But "
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"FREECAD_QT_VERSION is set to ${FREECAD_QT_VERSION}.")
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endif ()
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set(_FREECAD_QT_VERSION "${FREECAD_QT_VERSION}")
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else ()
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find_package(Qt5 QUIET COMPONENTS Core)
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set(_FREECAD_QT_VERSION 5)
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if (NOT Qt5_FOUND)
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find_package(Qt6 QUIET COMPONENTS Core)
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if (NOT Qt6_FOUND)
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message(FATAL_ERROR
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"Could not find a valid Qt installation. Consider setting Qt5_DIR or Qt6_DIR (as needed).")
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endif ()
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set(_FREECAD_QT_VERSION 6)
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endif ()
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endif ()
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set(FREECAD_QT_MAJOR_VERSION "${_FREECAD_QT_VERSION}" CACHE INTERNAL
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"Major version number for the Qt installation used.")
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message(STATUS "Compiling with Qt ${FREECAD_QT_MAJOR_VERSION}")
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endmacro() |