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103 lines
3.7 KiB
CMake
103 lines
3.7 KiB
CMake
# Created by Bradley Austin Davis on 2017/09/02
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# Copyright 2013-2017 High Fidelity, Inc.
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#
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# Distributed under the Apache License, Version 2.0.
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# See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
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#
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function(get_sub_directories result curdir)
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file(GLOB children RELATIVE ${curdir} ${curdir}/*)
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set(dirlist "")
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foreach(child ${children})
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if(IS_DIRECTORY ${curdir}/${child})
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LIST(APPEND dirlist ${child})
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endif()
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endforeach()
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set(${result} ${dirlist} PARENT_SCOPE)
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endfunction()
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function(calculate_qt5_version result _QT_DIR)
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# All Qt5 packages have little "private" include directories named with the actual Qt version such as:
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# .../include/QtCore/5.12.3/QtCore/private
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# Sometimes we need to include these private headers for debug hackery.
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# Hence we find one of these directories and pick apart its path to determine the actual QT_VERSION.
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if (APPLE)
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set(_QT_CORE_DIR "${_QT_DIR}/lib/QtCore.framework/Versions/5/Headers")
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else()
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set(_QT_CORE_DIR "${_QT_DIR}/include/QtCore")
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endif()
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if(NOT EXISTS "${_QT_CORE_DIR}")
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message(FATAL_ERROR "Could not find 'include/QtCore' in '${_QT_DIR}'")
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endif()
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set(subdirs "")
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get_sub_directories(subdirs ${_QT_CORE_DIR})
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foreach(subdir ${subdirs})
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string(REGEX MATCH "5.[0-9]+.[0-9]+$" _QT_VERSION ${subdir})
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if (NOT "${_QT_VERSION}" STREQUAL "")
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# found it!
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set(${result} "${_QT_VERSION}" PARENT_SCOPE)
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break()
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endif()
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endforeach()
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endfunction()
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# Sets the QT_CMAKE_PREFIX_PATH and QT_DIR variables
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# Also enables CMAKE_AUTOMOC and CMAKE_AUTORCC
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macro(setup_qt)
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# if we are in a development build and QT_CMAKE_PREFIX_PATH is specified
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# then use it,
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# otherwise, use the vcpkg'ed version
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if(NOT DEFINED VCPKG_QT_CMAKE_PREFIX_PATH)
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message(FATAL_ERROR "VCPKG_QT_CMAKE_PREFIX_PATH should have been set by hifi_vcpkg.py")
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endif()
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if (NOT DEV_BUILD)
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if (UNIX AND DEFINED ENV{QT_CMAKE_PREFIX_PATH})
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# HACK: obey QT_CMAKE_PREFIX_PATH to allow UNIX to use older QT libs
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message("HACK: obey QT_CMAKE_PREFIX_PATH on UNIX")
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set(QT_CMAKE_PREFIX_PATH $ENV{QT_CMAKE_PREFIX_PATH})
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else()
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message("override QT_CMAKE_PREFIX_PATH with VCPKG_QT_CMAKE_PREFIX_PATH")
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set(QT_CMAKE_PREFIX_PATH ${VCPKG_QT_CMAKE_PREFIX_PATH})
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endif()
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else()
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# DEV_BUILD
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if (DEFINED ENV{QT_CMAKE_PREFIX_PATH})
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set(QT_CMAKE_PREFIX_PATH $ENV{QT_CMAKE_PREFIX_PATH})
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else()
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set(QT_CMAKE_PREFIX_PATH ${VCPKG_QT_CMAKE_PREFIX_PATH})
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endif()
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endif()
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# figure out where the qt dir is
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get_filename_component(QT_DIR "${QT_CMAKE_PREFIX_PATH}/../../" ABSOLUTE)
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set(QT_VERSION "unknown")
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calculate_qt5_version(QT_VERSION "${QT_DIR}")
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if (QT_VERSION STREQUAL "unknown")
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message(FATAL_ERROR "Could not determine QT_VERSION")
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endif()
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if(WIN32)
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# windows shell does not like backslashes expanded on the command line,
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# so convert all backslashes in the QT path to forward slashes
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string(REPLACE \\ / QT_CMAKE_PREFIX_PATH ${QT_CMAKE_PREFIX_PATH})
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string(REPLACE \\ / QT_DIR ${QT_DIR})
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endif()
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if(NOT EXISTS "${QT_CMAKE_PREFIX_PATH}/Qt5Core/Qt5CoreConfig.cmake")
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message(FATAL_ERROR "Unable to locate Qt5CoreConfig.cmake in '${QT_CMAKE_PREFIX_PATH}'")
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endif()
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message(STATUS "Using Qt build in : '${QT_DIR}' with version ${QT_VERSION}")
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# Instruct CMake to run moc automatically when needed.
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set(CMAKE_AUTOMOC ON)
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# Instruct CMake to run rcc automatically when needed
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set(CMAKE_AUTORCC ON)
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if (WIN32)
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add_paths_to_fixup_libs("${QT_DIR}/bin")
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endif ()
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endmacro()
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