mirror of https://github.com/qt/qt5.git
118 lines
4.1 KiB
CMake
118 lines
4.1 KiB
CMake
# The real minimum version will be checked by the qtbase project.
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# 3.16 is the absolute minimum though.
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cmake_minimum_required(VERSION 3.16...3.21)
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# set QT_SUPERBUILD early, so that qtbase/.cmake.conf can check it
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set(QT_SUPERBUILD TRUE)
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# Include qtbase's .cmake.conf for access to QT_REPO_MODULE_VERSION
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set(__qt6_qtbase_src_path "${CMAKE_CURRENT_SOURCE_DIR}/qtbase")
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include("${__qt6_qtbase_src_path}/.cmake.conf")
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# Run platform auto-detection /before/ the first project() call and thus
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# before the toolchain file is loaded.
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include("${__qt6_qtbase_src_path}/cmake/QtAutoDetect.cmake")
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project(Qt
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VERSION "${QT_REPO_MODULE_VERSION}"
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DESCRIPTION "Qt Libraries"
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HOMEPAGE_URL "https://qt.io/"
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LANGUAGES CXX C ASM
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)
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# Required so we can call ctest from the root build directory
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enable_testing()
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set(qt_module_prop_prefix "__qt_prop_")
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list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
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if (NOT QT_BUILD_STANDALONE_TESTS)
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list(APPEND CMAKE_MODULE_PATH "${__qt6_qtbase_src_path}/cmake")
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list(APPEND CMAKE_MODULE_PATH
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"${__qt6_qtbase_src_path}/cmake/3rdparty/extra-cmake-modules/find-modules")
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list(APPEND CMAKE_MODULE_PATH "${__qt6_qtbase_src_path}/cmake/3rdparty/kwin")
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endif()
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include(QtTopLevelHelpers)
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include(ECMOptionalAddSubdirectory)
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# Also make sure the CMake config files do not recreate the already-existing targets
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if (NOT QT_BUILD_STANDALONE_TESTS)
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set(QT_NO_CREATE_TARGETS TRUE)
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endif()
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# Get submodule list if not already defined
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if(NOT QT_BUILD_SUBMODULES)
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if(DEFINED ENV{QT_BUILD_SUBMODULES})
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set(QT_BUILD_SUBMODULES "$ENV{QT_BUILD_SUBMODULES}")
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else()
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qt_internal_find_modules(QT_BUILD_SUBMODULES)
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endif()
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endif()
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set(QT_BUILD_SUBMODULES "${QT_BUILD_SUBMODULES}" CACHE STRING "Submodules to build")
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qt_internal_sort_module_dependencies("${QT_BUILD_SUBMODULES}" QT_BUILD_SUBMODULES)
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foreach(module IN LISTS QT_BUILD_SUBMODULES)
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# Check for unmet dependencies
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if(NOT DEFINED BUILD_${module} OR BUILD_${module})
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message(STATUS "Checking dependencies of submodule '${module}'")
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get_property(required_deps GLOBAL PROPERTY QT_REQUIRED_DEPS_FOR_${module})
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get_property(dependencies GLOBAL PROPERTY QT_DEPS_FOR_${module})
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foreach(dep IN LISTS dependencies)
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if (dep STREQUAL "qtbase")
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# Always available skip
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continue()
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endif()
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set(required FALSE)
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if(dep IN_LIST required_deps)
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set(required TRUE)
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endif()
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set(error_reason "")
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if(NOT EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/${dep}/CMakeLists.txt")
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set(error_reason "${dep}'s CMakeLists.txt couldn't be found")
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elseif(DEFINED BUILD_${dep} AND NOT BUILD_${dep})
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set(error_reason "building '${dep}' was explicitly disabled")
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endif()
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if(NOT error_reason STREQUAL "")
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if(required)
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message(FATAL_ERROR "Module '${module}' depends on '${dep}', "
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"but ${error_reason}.\n"
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"Note: Use '-skip ${module}' to exclude it from the build.")
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else()
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message(STATUS "Skipping optional dependency '${dep}' of '${module}', "
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"because ${error_reason}.")
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endif()
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endif()
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endforeach()
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endif()
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endforeach()
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if(NOT DEFINED CMAKE_MESSAGE_CONTEXT_SHOW)
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set(CMAKE_MESSAGE_CONTEXT_SHOW TRUE)
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endif()
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foreach(module IN LISTS QT_BUILD_SUBMODULES)
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message(STATUS "Configuring submodule '${module}'")
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ecm_optional_add_subdirectory("${module}")
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if(module STREQUAL "qtbase")
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if (NOT QT_BUILD_STANDALONE_TESTS)
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list(APPEND CMAKE_PREFIX_PATH "${QtBase_BINARY_DIR}/${INSTALL_LIBDIR}/cmake")
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list(APPEND CMAKE_FIND_ROOT_PATH "${QtBase_BINARY_DIR}")
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endif()
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endif()
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endforeach()
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if(NOT QT_BUILD_STANDALONE_TESTS)
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# Display a summary of everything
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include(QtBuildInformation)
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include(QtPlatformSupport)
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qt_print_feature_summary()
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qt_print_build_instructions()
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endif()
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