5fcfacdb7f
Each module now identifies its actions during the configuration by a prefix, e.g., `[QtBase]`. In addition, - I have slightly modified some of the `message()` commands to get a more coherent output. - `syncqt.cpp` prints its output as WARNING if any Change-Id: I3922d75a668d94f402068f4121751b7fcb6522b4 Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io> Reviewed-by: Alexey Edelev <alexey.edelev@qt.io>
1362 lines
58 KiB
CMake
1362 lines
58 KiB
CMake
# Copyright (C) 2022 The Qt Company Ltd.
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# SPDX-License-Identifier: BSD-3-Clause
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# These values should be kept in sync with those in qtbase/.cmake.conf
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cmake_minimum_required(VERSION 3.16...3.21)
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###############################################
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#
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# Macros and functions for building Qt modules
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#
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###############################################
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# Recursively reads the dependencies section from dependencies.yaml in ${repo_dir} and returns the
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# list of dependencies, including transitive ones, in out_var.
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#
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# The returned dependencies are topologically sorted.
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#
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# Example output for qtimageformats:
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# qtbase;qtshadertools;qtsvg;qtdeclarative;qttools
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#
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function(qt_internal_read_repo_dependencies out_var repo_dir)
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set(seen ${ARGN})
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set(dependencies "")
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set(in_dependencies_section FALSE)
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set(dependencies_file "${repo_dir}/dependencies.yaml")
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if(EXISTS "${dependencies_file}")
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file(STRINGS "${dependencies_file}" lines)
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foreach(line IN LISTS lines)
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if(line MATCHES "^([^ ]+):")
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if(CMAKE_MATCH_1 STREQUAL "dependencies")
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set(in_dependencies_section TRUE)
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else()
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set(in_dependencies_section FALSE)
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endif()
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elseif(in_dependencies_section AND line MATCHES "^ (.+):$")
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set(dependency "${CMAKE_MATCH_1}")
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set(dependency_repo_dir "${repo_dir}/${dependency}")
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string(REGEX MATCH "[^/]+$" dependency "${dependency}")
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if(NOT dependency IN_LIST seen)
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qt_internal_read_repo_dependencies(subdeps "${dependency_repo_dir}"
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${seen} ${dependency})
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list(APPEND dependencies ${subdeps} ${dependency})
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endif()
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endif()
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endforeach()
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list(REMOVE_DUPLICATES dependencies)
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endif()
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set(${out_var} "${dependencies}" PARENT_SCOPE)
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endfunction()
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set(QT_BACKUP_CMAKE_INSTALL_PREFIX_BEFORE_EXTRA_INCLUDE "${CMAKE_INSTALL_PREFIX}")
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if(EXISTS "${CMAKE_CURRENT_LIST_DIR}/QtBuildInternalsExtra.cmake")
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include(${CMAKE_CURRENT_LIST_DIR}/QtBuildInternalsExtra.cmake)
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endif()
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# The variables might have already been set in QtBuildInternalsExtra.cmake if the file is included
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# while building a new module and not QtBase. In that case, stop overriding the value.
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if(NOT INSTALL_CMAKE_NAMESPACE)
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set(INSTALL_CMAKE_NAMESPACE "Qt${PROJECT_VERSION_MAJOR}"
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CACHE STRING "CMake namespace [Qt${PROJECT_VERSION_MAJOR}]")
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endif()
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if(NOT QT_CMAKE_EXPORT_NAMESPACE)
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set(QT_CMAKE_EXPORT_NAMESPACE "Qt${PROJECT_VERSION_MAJOR}"
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CACHE STRING "CMake namespace used when exporting targets [Qt${PROJECT_VERSION_MAJOR}]")
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endif()
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macro(qt_set_up_build_internals_paths)
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# Set up the paths for the cmake modules located in the prefix dir. Prepend, so the paths are
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# least important compared to the source dir ones, but more important than command line
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# provided ones.
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set(QT_CMAKE_MODULE_PATH "${QT_BUILD_INTERNALS_PATH}/../${QT_CMAKE_EXPORT_NAMESPACE}")
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list(PREPEND CMAKE_MODULE_PATH "${QT_CMAKE_MODULE_PATH}")
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# Prepend the qtbase source cmake directory to CMAKE_MODULE_PATH,
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# so that if a change is done in cmake/QtBuild.cmake, it gets automatically picked up when
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# building qtdeclarative, rather than having to build qtbase first (which will copy
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# QtBuild.cmake to the build dir). This is similar to qmake non-prefix builds, where the
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# source qtbase/mkspecs directory is used.
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# TODO: Clean this up, together with qt_internal_try_compile_binary_for_strip to only use the
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# the qtbase sources when building qtbase. And perhaps also when doing a non-prefix
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# developer-build.
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if(EXISTS "${QT_SOURCE_TREE}/cmake")
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list(PREPEND CMAKE_MODULE_PATH "${QT_SOURCE_TREE}/cmake")
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endif()
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# If the repo has its own cmake modules, include those in the module path.
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if(EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
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list(PREPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
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endif()
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# Find the cmake files when doing a standalone tests build.
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if(EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/../cmake")
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list(PREPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/../cmake")
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endif()
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endmacro()
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# Set up the build internal paths unless explicitly requested not to.
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if(NOT QT_BUILD_INTERNALS_SKIP_CMAKE_MODULE_PATH_ADDITION)
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qt_set_up_build_internals_paths()
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endif()
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# Define some constants to check for certain platforms, etc.
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# Needs to be loaded before qt_repo_build() to handle require() clauses before even starting a repo
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# build.
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include(QtPlatformSupport)
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function(qt_build_internals_disable_pkg_config_if_needed)
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# pkg-config should not be used by default on Darwin and Windows platforms (and QNX), as defined
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# in the qtbase/configure.json. Unfortunately by the time the feature is evaluated there are
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# already a few find_package() calls that try to use the FindPkgConfig module.
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# Thus, we have to duplicate the condition logic here and disable pkg-config for those platforms
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# by default.
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# We also need to check if the pkg-config executable exists, to mirror the condition test in
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# configure.json. We do that by trying to find the executable ourselves, and not delegating to
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# the FindPkgConfig module because that has more unwanted side-effects.
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#
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# Note that on macOS, if the pkg-config feature is enabled by the user explicitly, we will also
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# tell CMake to consider paths like /usr/local (Homebrew) as system paths when looking for
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# packages.
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# We have to do that because disabling these paths but keeping pkg-config
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# enabled won't enable finding all system libraries via pkg-config alone, many libraries can
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# only be found via FooConfig.cmake files which means /usr/local should be in the system prefix
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# path.
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set(pkg_config_enabled ON)
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qt_build_internals_find_pkg_config_executable()
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if(APPLE OR WIN32 OR QNX OR ANDROID OR WASM OR (NOT PKG_CONFIG_EXECUTABLE))
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set(pkg_config_enabled OFF)
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endif()
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# Features won't have been evaluated yet if this is the first run, have to evaluate this here
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if ((NOT DEFINED "FEATURE_pkg_config") AND (DEFINED "INPUT_pkg_config")
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AND (NOT "${INPUT_pkg_config}" STREQUAL "undefined")
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AND (NOT "${INPUT_pkg_config}" STREQUAL ""))
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if(INPUT_pkg_config)
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set(FEATURE_pkg_config ON)
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else()
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set(FEATURE_pkg_config OFF)
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endif()
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endif()
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# If user explicitly specified a value for the feature, honor it, even if it might break
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# the build.
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if(DEFINED FEATURE_pkg_config)
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if(FEATURE_pkg_config)
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set(pkg_config_enabled ON)
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else()
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set(pkg_config_enabled OFF)
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endif()
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endif()
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set(FEATURE_pkg_config "${pkg_config_enabled}" CACHE STRING "Using pkg-config")
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if(NOT pkg_config_enabled)
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qt_build_internals_disable_pkg_config()
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else()
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unset(PKG_CONFIG_EXECUTABLE CACHE)
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endif()
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endfunction()
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# This is a copy of the first few lines in FindPkgConfig.cmake.
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function(qt_build_internals_find_pkg_config_executable)
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# find pkg-config, use PKG_CONFIG if set
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if((NOT PKG_CONFIG_EXECUTABLE) AND (NOT "$ENV{PKG_CONFIG}" STREQUAL ""))
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set(PKG_CONFIG_EXECUTABLE "$ENV{PKG_CONFIG}" CACHE FILEPATH "pkg-config executable")
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endif()
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find_program(PKG_CONFIG_EXECUTABLE NAMES pkg-config DOC "pkg-config executable")
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mark_as_advanced(PKG_CONFIG_EXECUTABLE)
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endfunction()
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function(qt_build_internals_disable_pkg_config)
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# Disable pkg-config by setting an empty executable path. There's no documented way to
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# mark the package as not found, but we can force all pkg_check_modules calls to do nothing
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# by setting the variable to an empty value.
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set(PKG_CONFIG_EXECUTABLE "" CACHE STRING "Disabled pkg-config usage." FORCE)
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endfunction()
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if(NOT QT_BUILD_INTERNALS_SKIP_PKG_CONFIG_ADJUSTMENT)
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qt_build_internals_disable_pkg_config_if_needed()
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endif()
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macro(qt_build_internals_find_pkg_config)
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# Find package config once before any system prefix modifications.
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find_package(PkgConfig QUIET)
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endmacro()
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if(NOT QT_BUILD_INTERNALS_SKIP_FIND_PKG_CONFIG)
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qt_build_internals_find_pkg_config()
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endif()
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function(qt_build_internals_set_up_system_prefixes)
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if(APPLE AND NOT FEATURE_pkg_config)
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# Remove /usr/local and other paths like that which CMake considers as system prefixes on
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# darwin platforms. CMake considers them as system prefixes, but in qmake / Qt land we only
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# consider the SDK path as a system prefix.
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# 3rd party libraries in these locations should not be picked up when building Qt,
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# unless opted-in via the pkg-config feature, which in turn will disable this behavior.
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#
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# Note that we can't remove /usr as a system prefix path, because many programs won't be
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# found then (e.g. perl).
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set(QT_CMAKE_SYSTEM_PREFIX_PATH_BACKUP "${CMAKE_SYSTEM_PREFIX_PATH}" PARENT_SCOPE)
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set(QT_CMAKE_SYSTEM_FRAMEWORK_PATH_BACKUP "${CMAKE_SYSTEM_FRAMEWORK_PATH}" PARENT_SCOPE)
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list(REMOVE_ITEM CMAKE_SYSTEM_PREFIX_PATH
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"/usr/local" # Homebrew
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"/opt/homebrew" # Apple Silicon Homebrew
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"/usr/X11R6"
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"/usr/pkg"
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"/opt"
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"/sw" # Fink
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"/opt/local" # MacPorts
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)
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if(_CMAKE_INSTALL_DIR)
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list(REMOVE_ITEM CMAKE_SYSTEM_PREFIX_PATH "${_CMAKE_INSTALL_DIR}")
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endif()
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list(REMOVE_ITEM CMAKE_SYSTEM_FRAMEWORK_PATH "~/Library/Frameworks")
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set(CMAKE_SYSTEM_PREFIX_PATH "${CMAKE_SYSTEM_PREFIX_PATH}" PARENT_SCOPE)
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set(CMAKE_SYSTEM_FRAMEWORK_PATH "${CMAKE_SYSTEM_FRAMEWORK_PATH}" PARENT_SCOPE)
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# Also tell qt_find_package() not to use PATH when looking for packages.
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# We can't simply set CMAKE_FIND_USE_SYSTEM_ENVIRONMENT_PATH to OFF because that will break
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# find_program(), and for instance ccache won't be found.
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# That's why we set a different variable which is used by qt_find_package.
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set(QT_NO_USE_FIND_PACKAGE_SYSTEM_ENVIRONMENT_PATH "ON" PARENT_SCOPE)
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endif()
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endfunction()
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if(NOT QT_BUILD_INTERNALS_SKIP_SYSTEM_PREFIX_ADJUSTMENT)
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qt_build_internals_set_up_system_prefixes()
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endif()
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macro(qt_build_internals_set_up_private_api)
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# Check for the minimum CMake version.
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include(QtCMakeVersionHelpers)
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qt_internal_require_suitable_cmake_version()
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qt_internal_upgrade_cmake_policies()
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# Qt specific setup common for all modules:
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include(QtSetup)
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include(FeatureSummary)
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# Optionally include a repo specific Setup module.
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include(${PROJECT_NAME}Setup OPTIONAL)
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include(QtRepoSetup OPTIONAL)
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# Find Apple frameworks if needed.
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qt_find_apple_system_frameworks()
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# Decide whether tools will be built.
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qt_check_if_tools_will_be_built()
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endmacro()
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# find all targets defined in $subdir by recursing through all added subdirectories
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# populates $qt_repo_targets with a ;-list of non-UTILITY targets
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macro(qt_build_internals_get_repo_targets subdir)
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get_directory_property(_targets DIRECTORY "${subdir}" BUILDSYSTEM_TARGETS)
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if(_targets)
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foreach(_target IN LISTS _targets)
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get_target_property(_type ${_target} TYPE)
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if(NOT (${_type} STREQUAL "UTILITY" OR ${_type} STREQUAL "INTERFACE"))
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list(APPEND qt_repo_targets "${_target}")
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endif()
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endforeach()
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endif()
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get_directory_property(_directories DIRECTORY "${subdir}" SUBDIRECTORIES)
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if (_directories)
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foreach(_directory IN LISTS _directories)
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qt_build_internals_get_repo_targets("${_directory}")
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endforeach()
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endif()
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endmacro()
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# add toplevel targets for each subdirectory, e.g. qtbase_src
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function(qt_build_internals_add_toplevel_targets)
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set(qt_repo_target_all "")
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get_directory_property(directories DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}" SUBDIRECTORIES)
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foreach(directory IN LISTS directories)
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set(qt_repo_targets "")
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get_filename_component(qt_repo_target_basename ${directory} NAME)
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qt_build_internals_get_repo_targets("${directory}")
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if (qt_repo_targets)
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set(qt_repo_target_name "${qt_repo_targets_name}_${qt_repo_target_basename}")
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message(DEBUG "${qt_repo_target_name} depends on ${qt_repo_targets}")
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add_custom_target("${qt_repo_target_name}"
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COMMENT "Building everything in ${qt_repo_targets_name}/${qt_repo_target_basename}")
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add_dependencies("${qt_repo_target_name}" ${qt_repo_targets})
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list(APPEND qt_repo_target_all "${qt_repo_target_name}")
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endif()
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endforeach()
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if (qt_repo_target_all)
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# Note qt_repo_targets_name is different from qt_repo_target_name that is used above.
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add_custom_target("${qt_repo_targets_name}"
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COMMENT "Building everything in ${qt_repo_targets_name}")
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add_dependencies("${qt_repo_targets_name}" ${qt_repo_target_all})
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message(DEBUG "${qt_repo_targets_name} depends on ${qt_repo_target_all}")
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endif()
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endfunction()
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macro(qt_enable_cmake_languages)
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include(CheckLanguage)
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set(__qt_required_language_list C CXX)
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set(__qt_optional_language_list )
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# https://gitlab.kitware.com/cmake/cmake/-/issues/20545
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if(APPLE)
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list(APPEND __qt_optional_language_list OBJC OBJCXX)
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endif()
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foreach(__qt_lang ${__qt_required_language_list})
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enable_language(${__qt_lang})
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endforeach()
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foreach(__qt_lang ${__qt_optional_language_list})
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check_language(${__qt_lang})
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if(CMAKE_${__qt_lang}_COMPILER)
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enable_language(${__qt_lang})
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endif()
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endforeach()
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# The qtbase call is handled in qtbase/CMakeLists.txt.
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# This call is used for projects other than qtbase, including for other project's standalone
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# tests.
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# Because the function uses QT_FEATURE_foo values, it's important that find_package(Qt6Core) is
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# called before this function. but that's usually the case for Qt repos.
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if(NOT PROJECT_NAME STREQUAL "QtBase")
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qt_internal_set_up_config_optimizations_like_in_qmake()
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endif()
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endmacro()
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# Minimum setup required to have any CMakeList.txt build as as a standalone
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# project after importing BuildInternals
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macro(qt_prepare_standalone_project)
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qt_set_up_build_internals_paths()
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qt_build_internals_set_up_private_api()
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qt_enable_cmake_languages()
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endmacro()
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# Define a repo target set, and store accompanying information.
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#
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# A repo target set is a subset of targets in a Qt module repository. To build a repo target set,
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# set QT_BUILD_SINGLE_REPO_TARGET_SET to the name of the repo target set.
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#
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# This function is to be called in the top-level project file of a repository,
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# before qt_internal_prepare_single_repo_target_set_build()
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#
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# This function stores information in variables of the parent scope.
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#
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# Positional Arguments:
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# name - The name of this repo target set.
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#
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# Named Arguments:
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# DEPENDS - List of Qt6 COMPONENTS that are build dependencies of this repo target set.
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function(qt_internal_define_repo_target_set name)
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set(oneValueArgs DEPENDS)
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set(prefix QT_REPO_TARGET_SET_)
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cmake_parse_arguments(${prefix}${name} "" ${oneValueArgs} "" ${ARGN})
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foreach(arg IN LISTS oneValueArgs)
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set(${prefix}${name}_${arg} ${${prefix}${name}_${arg}} PARENT_SCOPE)
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endforeach()
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set(QT_REPO_KNOWN_TARGET_SETS "${QT_REPO_KNOWN_TARGET_SETS};${name}" PARENT_SCOPE)
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endfunction()
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# Setup a single repo target set build if QT_BUILD_SINGLE_REPO_TARGET_SET is defined.
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#
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# This macro must be called in the top-level project file of the repository after all repo target
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# sets have been defined.
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macro(qt_internal_prepare_single_repo_target_set_build)
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if(DEFINED QT_BUILD_SINGLE_REPO_TARGET_SET)
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if(NOT QT_BUILD_SINGLE_REPO_TARGET_SET IN_LIST QT_REPO_KNOWN_TARGET_SETS)
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message(FATAL_ERROR
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"Repo target set '${QT_BUILD_SINGLE_REPO_TARGET_SET}' is undefined.")
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endif()
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message(STATUS
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"Preparing single repo target set build of ${QT_BUILD_SINGLE_REPO_TARGET_SET}")
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if (NOT "${QT_REPO_TARGET_SET_${QT_BUILD_SINGLE_REPO_TARGET_SET}_DEPENDS}" STREQUAL "")
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find_package(${INSTALL_CMAKE_NAMESPACE} ${PROJECT_VERSION} CONFIG REQUIRED
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COMPONENTS ${QT_REPO_TARGET_SET_${QT_BUILD_SINGLE_REPO_TARGET_SET}_DEPENDS})
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endif()
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endif()
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endmacro()
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macro(qt_build_repo_begin)
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list(APPEND CMAKE_MESSAGE_CONTEXT "${PROJECT_NAME}")
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qt_build_internals_set_up_private_api()
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# Prevent installation in non-prefix builds.
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# We need to associate targets with export names, and that is only possible to do with the
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# install(TARGETS) command. But in a non-prefix build, we don't want to install anything.
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# To make sure that developers don't accidentally run make install, add bail out code to
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# cmake_install.cmake.
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if(NOT QT_WILL_INSTALL)
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# In a top-level build, print a message only in qtbase, which is the first repository.
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if(NOT QT_SUPERBUILD OR (PROJECT_NAME STREQUAL "QtBase"))
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install(CODE [[message(FATAL_ERROR
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"Qt was configured as non-prefix build. "
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"Installation is not supported for this arrangement.")]])
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endif()
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install(CODE [[return()]])
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endif()
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qt_enable_cmake_languages()
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qt_internal_generate_binary_strip_wrapper()
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# Add global docs targets that will work both for per-repo builds, and super builds.
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if(NOT TARGET docs)
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add_custom_target(docs)
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add_custom_target(prepare_docs)
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add_custom_target(generate_docs)
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add_custom_target(html_docs)
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add_custom_target(qch_docs)
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add_custom_target(install_html_docs)
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add_custom_target(install_qch_docs)
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add_custom_target(install_docs)
|
|
add_dependencies(html_docs generate_docs)
|
|
add_dependencies(docs html_docs qch_docs)
|
|
add_dependencies(install_docs install_html_docs install_qch_docs)
|
|
endif()
|
|
|
|
if(NOT TARGET sync_headers)
|
|
add_custom_target(sync_headers)
|
|
endif()
|
|
|
|
# Add global qt_plugins, qpa_plugins and qpa_default_plugins convenience custom targets.
|
|
# Internal executables will add a dependency on the qpa_default_plugins target,
|
|
# so that building and running a test ensures it won't fail at runtime due to a missing qpa
|
|
# plugin.
|
|
if(NOT TARGET qt_plugins)
|
|
add_custom_target(qt_plugins)
|
|
add_custom_target(qpa_plugins)
|
|
add_custom_target(qpa_default_plugins)
|
|
endif()
|
|
|
|
string(TOLOWER ${PROJECT_NAME} project_name_lower)
|
|
|
|
set(qt_repo_targets_name ${project_name_lower})
|
|
set(qt_docs_target_name docs_${project_name_lower})
|
|
set(qt_docs_prepare_target_name prepare_docs_${project_name_lower})
|
|
set(qt_docs_generate_target_name generate_docs_${project_name_lower})
|
|
set(qt_docs_html_target_name html_docs_${project_name_lower})
|
|
set(qt_docs_qch_target_name qch_docs_${project_name_lower})
|
|
set(qt_docs_install_html_target_name install_html_docs_${project_name_lower})
|
|
set(qt_docs_install_qch_target_name install_qch_docs_${project_name_lower})
|
|
set(qt_docs_install_target_name install_docs_${project_name_lower})
|
|
|
|
add_custom_target(${qt_docs_target_name})
|
|
add_custom_target(${qt_docs_prepare_target_name})
|
|
add_custom_target(${qt_docs_generate_target_name})
|
|
add_custom_target(${qt_docs_qch_target_name})
|
|
add_custom_target(${qt_docs_html_target_name})
|
|
add_custom_target(${qt_docs_install_html_target_name})
|
|
add_custom_target(${qt_docs_install_qch_target_name})
|
|
add_custom_target(${qt_docs_install_target_name})
|
|
|
|
add_dependencies(${qt_docs_generate_target_name} ${qt_docs_prepare_target_name})
|
|
add_dependencies(${qt_docs_html_target_name} ${qt_docs_generate_target_name})
|
|
add_dependencies(${qt_docs_target_name} ${qt_docs_html_target_name} ${qt_docs_qch_target_name})
|
|
add_dependencies(${qt_docs_install_target_name} ${qt_docs_install_html_target_name} ${qt_docs_install_qch_target_name})
|
|
|
|
# Make top-level prepare_docs target depend on the repository-level prepare_docs_<repo> target.
|
|
add_dependencies(prepare_docs ${qt_docs_prepare_target_name})
|
|
|
|
# Make top-level install_*_docs targets depend on the repository-level install_*_docs targets.
|
|
add_dependencies(install_html_docs ${qt_docs_install_html_target_name})
|
|
add_dependencies(install_qch_docs ${qt_docs_install_qch_target_name})
|
|
|
|
# Add host_tools meta target, so that developrs can easily build only tools and their
|
|
# dependencies when working in qtbase.
|
|
if(NOT TARGET host_tools)
|
|
add_custom_target(host_tools)
|
|
add_custom_target(bootstrap_tools)
|
|
endif()
|
|
|
|
# Add benchmark meta target. It's collection of all benchmarks added/registered by
|
|
# 'qt_internal_add_benchmark' helper.
|
|
if(NOT TARGET benchmark)
|
|
add_custom_target(benchmark)
|
|
endif()
|
|
|
|
if(QT_INTERNAL_SYNCED_MODULES)
|
|
set_property(GLOBAL PROPERTY _qt_synced_modules ${QT_INTERNAL_SYNCED_MODULES})
|
|
endif()
|
|
endmacro()
|
|
|
|
macro(qt_build_repo_end)
|
|
if(NOT QT_BUILD_STANDALONE_TESTS)
|
|
# Delayed actions on some of the Qt targets:
|
|
include(QtPostProcess)
|
|
|
|
# Install the repo-specific cmake find modules.
|
|
qt_path_join(__qt_repo_install_dir ${QT_CONFIG_INSTALL_DIR} ${INSTALL_CMAKE_NAMESPACE})
|
|
qt_path_join(__qt_repo_build_dir ${QT_CONFIG_BUILD_DIR} ${INSTALL_CMAKE_NAMESPACE})
|
|
|
|
if(NOT PROJECT_NAME STREQUAL "QtBase")
|
|
if(IS_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
|
|
qt_copy_or_install(DIRECTORY cmake/
|
|
DESTINATION "${__qt_repo_install_dir}"
|
|
FILES_MATCHING PATTERN "Find*.cmake"
|
|
)
|
|
if(QT_SUPERBUILD AND QT_WILL_INSTALL)
|
|
file(COPY cmake/
|
|
DESTINATION "${__qt_repo_build_dir}"
|
|
FILES_MATCHING PATTERN "Find*.cmake"
|
|
)
|
|
endif()
|
|
endif()
|
|
endif()
|
|
|
|
if(NOT QT_SUPERBUILD)
|
|
qt_print_feature_summary()
|
|
endif()
|
|
endif()
|
|
|
|
qt_build_internals_add_toplevel_targets()
|
|
|
|
if(NOT QT_SUPERBUILD)
|
|
qt_print_build_instructions()
|
|
endif()
|
|
|
|
get_property(synced_modules GLOBAL PROPERTY _qt_synced_modules)
|
|
if(synced_modules)
|
|
set(QT_INTERNAL_SYNCED_MODULES ${synced_modules} CACHE INTERNAL
|
|
"List of the synced modules. Prevents running syncqt.cpp after the first configuring.")
|
|
endif()
|
|
|
|
list(POP_BACK CMAKE_MESSAGE_CONTEXT)
|
|
endmacro()
|
|
|
|
macro(qt_build_repo)
|
|
qt_build_repo_begin(${ARGN})
|
|
|
|
qt_build_repo_impl_find_package_tests()
|
|
qt_build_repo_impl_src()
|
|
qt_build_repo_impl_tools()
|
|
qt_build_repo_impl_tests()
|
|
|
|
qt_build_repo_end()
|
|
|
|
qt_build_repo_impl_examples()
|
|
endmacro()
|
|
|
|
macro(qt_build_repo_impl_find_package_tests)
|
|
# If testing is enabled, try to find the qtbase Test package.
|
|
# Do this before adding src, because there might be test related conditions
|
|
# in source.
|
|
if (QT_BUILD_TESTS AND NOT QT_BUILD_STANDALONE_TESTS)
|
|
# When looking for the Test package, do it using the Qt6 package version, in case if
|
|
# PROJECT_VERSION is following a different versioning scheme.
|
|
if(Qt6_VERSION)
|
|
set(_qt_build_repo_impl_find_package_tests_version "${Qt6_VERSION}")
|
|
else()
|
|
set(_qt_build_repo_impl_find_package_tests_version "${PROJECT_VERSION}")
|
|
endif()
|
|
|
|
find_package(Qt6
|
|
"${_qt_build_repo_impl_find_package_tests_version}"
|
|
CONFIG REQUIRED COMPONENTS Test)
|
|
unset(_qt_build_repo_impl_find_package_tests_version)
|
|
endif()
|
|
endmacro()
|
|
|
|
macro(qt_build_repo_impl_src)
|
|
if(NOT QT_BUILD_STANDALONE_TESTS)
|
|
if (EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/src/CMakeLists.txt")
|
|
add_subdirectory(src)
|
|
endif()
|
|
endif()
|
|
endmacro()
|
|
|
|
macro(qt_build_repo_impl_tools)
|
|
if(NOT QT_BUILD_STANDALONE_TESTS)
|
|
if (EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/tools/CMakeLists.txt")
|
|
add_subdirectory(tools)
|
|
endif()
|
|
endif()
|
|
endmacro()
|
|
|
|
macro(qt_build_repo_impl_tests)
|
|
if (QT_BUILD_TESTS AND EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/tests/CMakeLists.txt")
|
|
add_subdirectory(tests)
|
|
if(NOT QT_BUILD_TESTS_BY_DEFAULT)
|
|
set_property(DIRECTORY tests PROPERTY EXCLUDE_FROM_ALL TRUE)
|
|
endif()
|
|
endif()
|
|
endmacro()
|
|
|
|
macro(qt_build_repo_impl_examples)
|
|
if(QT_BUILD_EXAMPLES
|
|
AND EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/examples/CMakeLists.txt"
|
|
AND NOT QT_BUILD_STANDALONE_TESTS)
|
|
add_subdirectory(examples)
|
|
endif()
|
|
endmacro()
|
|
|
|
macro(qt_set_up_standalone_tests_build)
|
|
# Remove this macro once all usages of it have been removed.
|
|
# Standalone tests are not handled via the main repo project and qt_build_tests.
|
|
endmacro()
|
|
|
|
function(qt_get_standalone_tests_config_files_path out_var)
|
|
set(path "${QT_CONFIG_INSTALL_DIR}/${INSTALL_CMAKE_NAMESPACE}BuildInternals/StandaloneTests")
|
|
|
|
# QT_CONFIG_INSTALL_DIR is relative in prefix builds.
|
|
if(QT_WILL_INSTALL)
|
|
if(DEFINED CMAKE_STAGING_PREFIX)
|
|
qt_path_join(path "${CMAKE_STAGING_PREFIX}" "${path}")
|
|
else()
|
|
qt_path_join(path "${CMAKE_INSTALL_PREFIX}" "${path}")
|
|
endif()
|
|
endif()
|
|
|
|
set("${out_var}" "${path}" PARENT_SCOPE)
|
|
endfunction()
|
|
|
|
function(qt_internal_get_standalone_tests_config_file_name out_var)
|
|
# When doing a "single repo target set" build (like in qtscxqml) ensure we use a unique tests
|
|
# config file for each repo target set. Using the PROJECT_NAME only is not enough because
|
|
# the same file will be overridden with different content on each repo set install.
|
|
set(tests_config_file_name "${PROJECT_NAME}")
|
|
|
|
if(QT_BUILD_SINGLE_REPO_TARGET_SET)
|
|
string(APPEND tests_config_file_name "RepoSet${QT_BUILD_SINGLE_REPO_TARGET_SET}")
|
|
endif()
|
|
string(APPEND tests_config_file_name "TestsConfig.cmake")
|
|
|
|
set(${out_var} "${tests_config_file_name}" PARENT_SCOPE)
|
|
endfunction()
|
|
|
|
macro(qt_build_tests)
|
|
if(QT_BUILD_STANDALONE_TESTS)
|
|
# Find location of TestsConfig.cmake. These contain the modules that need to be
|
|
# find_package'd when testing.
|
|
qt_get_standalone_tests_config_files_path(_qt_build_tests_install_prefix)
|
|
|
|
qt_internal_get_standalone_tests_config_file_name(_qt_tests_config_file_name)
|
|
set(_qt_standalone_tests_config_file_path
|
|
"${_qt_build_tests_install_prefix}/${_qt_tests_config_file_name}")
|
|
include("${_qt_standalone_tests_config_file_path}"
|
|
OPTIONAL
|
|
RESULT_VARIABLE _qt_standalone_tests_included)
|
|
if(NOT _qt_standalone_tests_included)
|
|
message(DEBUG
|
|
"Standalone tests config file not included because it does not exist: "
|
|
"${_qt_standalone_tests_config_file_path}"
|
|
)
|
|
else()
|
|
message(DEBUG
|
|
"Standalone tests config file included successfully: "
|
|
"${_qt_standalone_tests_config_file_path}"
|
|
)
|
|
endif()
|
|
|
|
unset(_qt_standalone_tests_config_file_path)
|
|
unset(_qt_standalone_tests_included)
|
|
unset(_qt_tests_config_file_name)
|
|
|
|
# Of course we always need the test module as well.
|
|
# When looking for the Test package, do it using the Qt6 package version, in case if
|
|
# PROJECT_VERSION is following a different versioning scheme.
|
|
if(Qt6_VERSION)
|
|
set(_qt_build_tests_package_version "${Qt6_VERSION}")
|
|
else()
|
|
set(_qt_build_tests_package_version "${PROJECT_VERSION}")
|
|
endif()
|
|
find_package(Qt6 "${_qt_build_tests_package_version}" CONFIG REQUIRED COMPONENTS Test)
|
|
unset(_qt_build_tests_package_version)
|
|
|
|
# Set language standards after finding Core, because that's when the relevant
|
|
# feature variables are available, and the call in QtSetup is too early when building
|
|
# standalone tests, because Core was not find_package()'d yet.
|
|
qt_set_language_standards()
|
|
|
|
if(NOT QT_SUPERBUILD)
|
|
# Set up fake standalone tests install prefix, so we don't pollute the Qt install
|
|
# prefix. For super builds it needs to be done in qt5/CMakeLists.txt.
|
|
qt_set_up_fake_standalone_tests_install_prefix()
|
|
endif()
|
|
else()
|
|
if(ANDROID)
|
|
# When building in-tree tests we need to specify the QT_ANDROID_ABIS list. Since we
|
|
# build Qt for the single ABI, build tests for this ABI only.
|
|
set(QT_ANDROID_ABIS "${CMAKE_ANDROID_ARCH_ABI}")
|
|
endif()
|
|
endif()
|
|
|
|
if(EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/auto/CMakeLists.txt")
|
|
add_subdirectory(auto)
|
|
endif()
|
|
if(NOT QT_BUILD_MINIMAL_STATIC_TESTS AND NOT QT_BUILD_MINIMAL_ANDROID_MULTI_ABI_TESTS)
|
|
if(EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/baseline/CMakeLists.txt")
|
|
add_subdirectory(baseline)
|
|
endif()
|
|
if(EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/benchmarks/CMakeLists.txt" AND QT_BUILD_BENCHMARKS)
|
|
add_subdirectory(benchmarks)
|
|
endif()
|
|
if(EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/manual/CMakeLists.txt" AND QT_BUILD_MANUAL_TESTS)
|
|
add_subdirectory(manual)
|
|
endif()
|
|
endif()
|
|
endmacro()
|
|
|
|
function(qt_compute_relative_path_from_cmake_config_dir_to_prefix)
|
|
# Compute the reverse relative path from the CMake config dir to the install prefix.
|
|
# This is used in QtBuildInternalsExtras to create a relocatable relative install prefix path.
|
|
# This path is used for finding syncqt and other things, regardless of initial install prefix
|
|
# (e.g installed Qt was archived and unpacked to a different path on a different machine).
|
|
#
|
|
# This is meant to be called only once when configuring qtbase.
|
|
#
|
|
# Similar code exists in Qt6CoreConfigExtras.cmake.in and src/corelib/CMakeLists.txt which
|
|
# might not be needed anymore.
|
|
if(CMAKE_STAGING_PREFIX)
|
|
set(__qt_prefix "${CMAKE_STAGING_PREFIX}")
|
|
else()
|
|
set(__qt_prefix "${CMAKE_INSTALL_PREFIX}")
|
|
endif()
|
|
|
|
if(QT_WILL_INSTALL)
|
|
get_filename_component(clean_config_prefix
|
|
"${__qt_prefix}/${QT_CONFIG_INSTALL_DIR}" ABSOLUTE)
|
|
else()
|
|
get_filename_component(clean_config_prefix "${QT_CONFIG_BUILD_DIR}" ABSOLUTE)
|
|
endif()
|
|
file(RELATIVE_PATH
|
|
qt_path_from_cmake_config_dir_to_prefix
|
|
"${clean_config_prefix}" "${__qt_prefix}")
|
|
set(qt_path_from_cmake_config_dir_to_prefix "${qt_path_from_cmake_config_dir_to_prefix}"
|
|
PARENT_SCOPE)
|
|
endfunction()
|
|
|
|
function(qt_get_relocatable_install_prefix out_var)
|
|
# We need to compute it only once while building qtbase. Afterwards it's loaded from
|
|
# QtBuildInternalsExtras.cmake.
|
|
if(QT_BUILD_INTERNALS_RELOCATABLE_INSTALL_PREFIX)
|
|
return()
|
|
endif()
|
|
# The QtBuildInternalsExtras value is dynamically computed, whereas the initial qtbase
|
|
# configuration uses an absolute path.
|
|
set(${out_var} "${CMAKE_INSTALL_PREFIX}" PARENT_SCOPE)
|
|
endfunction()
|
|
|
|
function(qt_set_up_fake_standalone_tests_install_prefix)
|
|
# Set a fake local (non-cache) CMAKE_INSTALL_PREFIX.
|
|
# Needed for standalone tests, we don't want to accidentally install a test into the Qt prefix.
|
|
# Allow opt-out, if a user knows what they're doing.
|
|
if(QT_NO_FAKE_STANDALONE_TESTS_INSTALL_PREFIX)
|
|
return()
|
|
endif()
|
|
set(new_install_prefix "${CMAKE_BINARY_DIR}/fake_prefix")
|
|
|
|
# It's IMPORTANT that this is not a cache variable. Otherwise
|
|
# qt_get_standalone_tests_confg_files_path() will not work on re-configuration.
|
|
message(STATUS
|
|
"Setting local standalone test install prefix (non-cached) to '${new_install_prefix}'.")
|
|
set(CMAKE_INSTALL_PREFIX "${new_install_prefix}" PARENT_SCOPE)
|
|
|
|
# We also need to clear the staging prefix if it's set, otherwise CMake will modify any computed
|
|
# rpaths containing the staging prefix to point to the new fake prefix, which is not what we
|
|
# want. This replacement is done in cmComputeLinkInformation::GetRPath().
|
|
#
|
|
# By clearing the staging prefix for the standalone tests, any detected link time
|
|
# rpaths will be embedded as-is, which will point to the place where Qt was installed (aka
|
|
# the staging prefix).
|
|
if(DEFINED CMAKE_STAGING_PREFIX)
|
|
message(STATUS "Clearing local standalone test staging prefix (non-cached).")
|
|
set(CMAKE_STAGING_PREFIX "" PARENT_SCOPE)
|
|
endif()
|
|
endfunction()
|
|
|
|
# Mean to be called when configuring examples as part of the main build tree, as well as for CMake
|
|
# tests (tests that call CMake to try and build CMake applications).
|
|
macro(qt_internal_set_up_build_dir_package_paths)
|
|
list(PREPEND CMAKE_PREFIX_PATH "${QT_BUILD_DIR}/${INSTALL_LIBDIR}/cmake")
|
|
# Make sure the CMake config files do not recreate the already-existing targets
|
|
set(QT_NO_CREATE_TARGETS TRUE)
|
|
endmacro()
|
|
|
|
macro(qt_examples_build_begin)
|
|
set(options EXTERNAL_BUILD)
|
|
set(singleOpts "")
|
|
set(multiOpts DEPENDS)
|
|
|
|
cmake_parse_arguments(arg "${options}" "${singleOpts}" "${multiOpts}" ${ARGN})
|
|
|
|
# Use by qt_internal_add_example.
|
|
set(QT_EXAMPLE_BASE_DIR "${CMAKE_CURRENT_SOURCE_DIR}")
|
|
|
|
if(arg_EXTERNAL_BUILD AND QT_BUILD_EXAMPLES_AS_EXTERNAL)
|
|
# Examples will be built using ExternalProject.
|
|
# We always depend on all plugins so as to prevent opportunities for
|
|
# weird errors associated with loading out-of-date plugins from
|
|
# unrelated Qt modules.
|
|
# We also depend on all targets from this repo's src and tools subdirectories
|
|
# to ensure that we've built anything that a find_package() call within
|
|
# an example might use. Projects can add further dependencies if needed,
|
|
# but that should rarely be necessary.
|
|
set(QT_EXAMPLE_DEPENDENCIES qt_plugins ${arg_DEPENDS})
|
|
|
|
if(TARGET ${qt_repo_targets_name}_src)
|
|
list(APPEND QT_EXAMPLE_DEPENDENCIES ${qt_repo_targets_name}_src)
|
|
endif()
|
|
|
|
if(TARGET ${qt_repo_targets_name}_tools)
|
|
list(APPEND QT_EXAMPLE_DEPENDENCIES ${qt_repo_targets_name}_tools)
|
|
endif()
|
|
|
|
set(QT_IS_EXTERNAL_EXAMPLES_BUILD TRUE)
|
|
|
|
string(TOLOWER ${PROJECT_NAME} project_name_lower)
|
|
if(NOT TARGET examples)
|
|
if(QT_BUILD_EXAMPLES_BY_DEFAULT)
|
|
add_custom_target(examples ALL)
|
|
else()
|
|
add_custom_target(examples)
|
|
endif()
|
|
endif()
|
|
if(NOT TARGET examples_${project_name_lower})
|
|
add_custom_target(examples_${project_name_lower})
|
|
add_dependencies(examples examples_${project_name_lower})
|
|
endif()
|
|
|
|
include(ExternalProject)
|
|
else()
|
|
# This repo has not yet been updated to build examples in a separate
|
|
# build from this main build, or we can't use that arrangement yet.
|
|
# Build them directly as part of the main build instead for backward
|
|
# compatibility.
|
|
if(NOT BUILD_SHARED_LIBS)
|
|
# Ordinarily, it would be an error to call return() from within a
|
|
# macro(), but in this case we specifically want to return from the
|
|
# caller's scope if we are doing a static build and the project
|
|
# isn't building examples in a separate build from the main build.
|
|
# Configuring static builds requires tools that are not available
|
|
# until build time.
|
|
return()
|
|
endif()
|
|
|
|
if(NOT QT_BUILD_EXAMPLES_BY_DEFAULT)
|
|
set_directory_properties(PROPERTIES EXCLUDE_FROM_ALL TRUE)
|
|
endif()
|
|
endif()
|
|
|
|
# TODO: Change this to TRUE when all examples in all repos are ported to use
|
|
# qt_internal_add_example.
|
|
# We shouldn't need to call qt_internal_set_up_build_dir_package_paths when
|
|
# QT_IS_EXTERNAL_EXAMPLES_BUILD is TRUE.
|
|
# Due to not all examples being ported, if we don't
|
|
# call qt_internal_set_up_build_dir_package_paths -> set(QT_NO_CREATE_TARGETS TRUE) we'll get
|
|
# CMake configuration errors saying we redefine Qt targets because we both build them and find
|
|
# them as part of find_package.
|
|
set(__qt_all_examples_ported_to_external_projects FALSE)
|
|
|
|
# Examples that are built as part of the Qt build need to use the CMake config files from the
|
|
# build dir, because they are not installed yet in a prefix build.
|
|
# Prepending to CMAKE_PREFIX_PATH helps find the initial Qt6Config.cmake.
|
|
# Prepending to QT_EXAMPLES_CMAKE_PREFIX_PATH helps find components of Qt6, because those
|
|
# find_package calls use NO_DEFAULT_PATH, and thus CMAKE_PREFIX_PATH is ignored.
|
|
# Prepending to CMAKE_FIND_ROOT_PATH ensures the components are found while cross-compiling
|
|
# without setting CMAKE_FIND_ROOT_PATH_MODE_PACKAGE to BOTH.
|
|
if(NOT QT_IS_EXTERNAL_EXAMPLES_BUILD OR NOT __qt_all_examples_ported_to_external_projects)
|
|
qt_internal_set_up_build_dir_package_paths()
|
|
list(PREPEND CMAKE_FIND_ROOT_PATH "${QT_BUILD_DIR}")
|
|
list(PREPEND QT_EXAMPLES_CMAKE_PREFIX_PATH "${QT_BUILD_DIR}/${INSTALL_LIBDIR}/cmake")
|
|
endif()
|
|
|
|
# Because CMAKE_INSTALL_RPATH is empty by default in the repo project, examples need to have
|
|
# it set here, so they can run when installed.
|
|
# This means that installed examples are not relocatable at the moment. We would need to
|
|
# annotate where each example is installed to, to be able to derive a relative rpath, and it
|
|
# seems there's no way to query such information from CMake itself.
|
|
set(CMAKE_INSTALL_RPATH "${_default_install_rpath}")
|
|
set(QT_DISABLE_QT_ADD_PLUGIN_COMPATIBILITY TRUE)
|
|
|
|
install(CODE "
|
|
# Backup CMAKE_INSTALL_PREFIX because we're going to change it in each example subdirectory
|
|
# and restore it after all examples are processed so that QtFooToolsAdditionalTargetInfo.cmake
|
|
# files are installed into the original install prefix.
|
|
set(_qt_internal_examples_cmake_install_prefix_backup \"\${CMAKE_INSTALL_PREFIX}\")
|
|
")
|
|
endmacro()
|
|
|
|
macro(qt_examples_build_end)
|
|
# We use AUTOMOC/UIC/RCC in the examples. When the examples are part of the
|
|
# main build rather than being built in their own separate project, make
|
|
# sure we do not fail on a fresh Qt build (e.g. the moc binary won't exist
|
|
# yet because it is created at build time).
|
|
|
|
# This function gets all targets below this directory (excluding custom targets and aliases)
|
|
function(get_all_targets _result _dir)
|
|
get_property(_subdirs DIRECTORY "${_dir}" PROPERTY SUBDIRECTORIES)
|
|
foreach(_subdir IN LISTS _subdirs)
|
|
get_all_targets(${_result} "${_subdir}")
|
|
endforeach()
|
|
get_property(_sub_targets DIRECTORY "${_dir}" PROPERTY BUILDSYSTEM_TARGETS)
|
|
set(_real_targets "")
|
|
if(_sub_targets)
|
|
foreach(__target IN LISTS _sub_targets)
|
|
get_target_property(target_type ${__target} TYPE)
|
|
if(NOT target_type STREQUAL "UTILITY" AND NOT target_type STREQUAL "ALIAS")
|
|
list(APPEND _real_targets ${__target})
|
|
endif()
|
|
endforeach()
|
|
endif()
|
|
set(${_result} ${${_result}} ${_real_targets} PARENT_SCOPE)
|
|
endfunction()
|
|
|
|
get_all_targets(targets "${CMAKE_CURRENT_SOURCE_DIR}")
|
|
|
|
foreach(target ${targets})
|
|
qt_autogen_tools(${target} ENABLE_AUTOGEN_TOOLS "moc" "rcc")
|
|
if(TARGET Qt::Widgets)
|
|
qt_autogen_tools(${target} ENABLE_AUTOGEN_TOOLS "uic")
|
|
endif()
|
|
endforeach()
|
|
|
|
install(CODE "
|
|
# Restore backed up CMAKE_INSTALL_PREFIX.
|
|
set(CMAKE_INSTALL_PREFIX \"\${_qt_internal_examples_cmake_install_prefix_backup}\")
|
|
")
|
|
endmacro()
|
|
|
|
function(qt_internal_add_example subdir)
|
|
if(NOT QT_IS_EXTERNAL_EXAMPLES_BUILD)
|
|
qt_internal_add_example_in_tree(${ARGV})
|
|
else()
|
|
qt_internal_add_example_external_project(${ARGV})
|
|
endif()
|
|
endfunction()
|
|
|
|
# Use old non-ExternalProject approach, aka build in-tree with the Qt build.
|
|
function(qt_internal_add_example_in_tree subdir)
|
|
file(RELATIVE_PATH example_rel_path
|
|
"${QT_EXAMPLE_BASE_DIR}" "${CMAKE_CURRENT_SOURCE_DIR}/${subdir}")
|
|
|
|
# Unset the default CMAKE_INSTALL_PREFIX that's generated in
|
|
# ${CMAKE_CURRENT_BINARY_DIR}/cmake_install.cmake
|
|
# so we can override it with a different value in
|
|
# ${CMAKE_CURRENT_BINARY_DIR}/${subdir}/cmake_install.cmake
|
|
#
|
|
install(CODE "
|
|
# Unset the CMAKE_INSTALL_PREFIX in the current cmake_install.cmake file so that it can be
|
|
# overridden in the included add_subdirectory-specific cmake_install.cmake files instead.
|
|
unset(CMAKE_INSTALL_PREFIX)
|
|
")
|
|
|
|
# Override the install prefix in the subdir cmake_install.cmake, so that
|
|
# relative install(TARGETS DESTINATION) calls in example projects install where we tell them to.
|
|
# Allow customizing the installation path of the examples. Will be used in CI.
|
|
if(QT_INTERNAL_EXAMPLES_INSTALL_PREFIX)
|
|
set(qt_example_install_prefix "${QT_INTERNAL_EXAMPLES_INSTALL_PREFIX}")
|
|
else()
|
|
set(qt_example_install_prefix "${CMAKE_INSTALL_PREFIX}/${INSTALL_EXAMPLESDIR}")
|
|
endif()
|
|
file(TO_CMAKE_PATH "${qt_example_install_prefix}" qt_example_install_prefix)
|
|
|
|
set(CMAKE_INSTALL_PREFIX "${qt_example_install_prefix}/${example_rel_path}")
|
|
|
|
# Make sure unclean example projects have their INSTALL_EXAMPLEDIR set to "."
|
|
# Won't have any effect on example projects that don't use INSTALL_EXAMPLEDIR.
|
|
# This plus the install prefix above takes care of installing examples where we want them to
|
|
# be installed, while allowing us to remove INSTALL_EXAMPLEDIR code in each example
|
|
# incrementally.
|
|
# TODO: Remove once all repositories use qt_internal_add_example instead of add_subdirectory.
|
|
set(QT_INTERNAL_SET_EXAMPLE_INSTALL_DIR_TO_DOT ON)
|
|
|
|
add_subdirectory(${subdir} ${ARGN})
|
|
endfunction()
|
|
|
|
function(qt_internal_add_example_external_project subdir)
|
|
set(options "")
|
|
set(singleOpts NAME)
|
|
set(multiOpts "")
|
|
|
|
cmake_parse_arguments(PARSE_ARGV 1 arg "${options}" "${singleOpts}" "${multiOpts}")
|
|
|
|
file(RELATIVE_PATH example_rel_path
|
|
"${QT_EXAMPLE_BASE_DIR}" "${CMAKE_CURRENT_SOURCE_DIR}/${subdir}")
|
|
|
|
if(NOT arg_NAME)
|
|
set(arg_NAME "${subdir}")
|
|
|
|
# qtdeclarative has calls like qt_internal_add_example(imagine/automotive)
|
|
# so passing a nested subdirectory. Custom targets (and thus ExternalProjects) can't contain
|
|
# slashes, so extract the last part of the path to be used as a name.
|
|
if(arg_NAME MATCHES "/")
|
|
string(REPLACE "/" ";" exploded_path "${arg_NAME}")
|
|
list(POP_BACK exploded_path last_dir)
|
|
if(NOT last_dir)
|
|
message(FATAL_ERROR "Example subdirectory must have a name.")
|
|
else()
|
|
set(arg_NAME "${last_dir}")
|
|
endif()
|
|
endif()
|
|
endif()
|
|
|
|
# Likely a clash with an example subdir ExternalProject custom target of the same name.
|
|
if(TARGET "${arg_NAME}")
|
|
string(SHA1 rel_path_hash "${example_rel_path}")
|
|
string(SUBSTRING "${rel_path_hash}" 0 4 short_hash)
|
|
set(arg_NAME "${arg_NAME}-${short_hash}")
|
|
endif()
|
|
|
|
# TODO: Fix example builds when using Conan / install prefixes are different for each repo.
|
|
if(QT_SUPERBUILD OR QtBase_BINARY_DIR)
|
|
# When doing a top-level build or when building qtbase,
|
|
# always use the Config file from the current build directory, even for prefix builds.
|
|
# We strive to allow building examples without installing Qt first, which means we can't
|
|
# use the install or staging Config files.
|
|
set(qt_prefixes "${QT_BUILD_DIR}")
|
|
set(qt_cmake_dir "${QT_CONFIG_BUILD_DIR}/${QT_CMAKE_EXPORT_NAMESPACE}")
|
|
else()
|
|
# This is a per-repo build that isn't the qtbase repo, so we know that
|
|
# qtbase was found via find_package() and Qt6_DIR must be set
|
|
set(qt_cmake_dir "${${QT_CMAKE_EXPORT_NAMESPACE}_DIR}")
|
|
|
|
# In a prefix build of a non-qtbase repo, we want to pick up the installed Config files
|
|
# for all repos except the one that is currently built. For the repo that is currently
|
|
# built, we pick up the Config files from the current repo build dir instead.
|
|
# For non-prefix builds, there's only one prefix, the main build dir.
|
|
# Both are handled by this assignment.
|
|
set(qt_prefixes "${QT_BUILD_DIR}")
|
|
|
|
# Appending to QT_ADDITIONAL_PACKAGES_PREFIX_PATH helps find Qt6 components in
|
|
# non-qtbase prefix builds because we use NO_DEFAULT_PATH in find_package calls.
|
|
# It also handles the cross-compiling scenario where we need to adjust both the root path
|
|
# and prefixes, with the prefixes containing lib/cmake. This leverages the infrastructure
|
|
# previously added for Conan.
|
|
list(APPEND QT_ADDITIONAL_PACKAGES_PREFIX_PATH ${qt_prefixes})
|
|
|
|
# In a prefix build, look up all repo Config files in the install prefix,
|
|
# except for the current repo, which will look in the build dir (handled above).
|
|
if(QT_WILL_INSTALL)
|
|
list(APPEND qt_prefixes "${QT6_INSTALL_PREFIX}")
|
|
endif()
|
|
endif()
|
|
|
|
set(vars_to_pass_if_defined)
|
|
set(var_defs)
|
|
if(QT_HOST_PATH OR CMAKE_CROSSCOMPILING)
|
|
list(APPEND var_defs
|
|
-DCMAKE_TOOLCHAIN_FILE:FILEPATH=${qt_cmake_dir}/qt.toolchain.cmake
|
|
)
|
|
else()
|
|
list(PREPEND CMAKE_PREFIX_PATH ${qt_prefixes})
|
|
|
|
# Setting CMAKE_SYSTEM_NAME affects CMAKE_CROSSCOMPILING, even if it is
|
|
# set to the same as the host, so it should only be set if it is different.
|
|
# See https://gitlab.kitware.com/cmake/cmake/-/issues/21744
|
|
if(NOT DEFINED CMAKE_TOOLCHAIN_FILE AND
|
|
NOT CMAKE_SYSTEM_NAME STREQUAL CMAKE_HOST_SYSTEM_NAME)
|
|
list(APPEND vars_to_pass_if_defined CMAKE_SYSTEM_NAME:STRING)
|
|
endif()
|
|
endif()
|
|
|
|
# In multi-config mode by default we exclude building tools for configs other than the main one.
|
|
# Trying to build an example in a non-default config using the non-installed
|
|
# QtFooConfig.cmake files would error out saying moc is not found.
|
|
# Make sure to build examples only with the main config.
|
|
# When users build an example against an installed Qt they won't have this problem because
|
|
# the generated non-main QtFooTargets-$<CONFIG>.cmake file is empty and doesn't advertise
|
|
# a tool that is not there.
|
|
if(QT_GENERATOR_IS_MULTI_CONFIG)
|
|
set(CMAKE_CONFIGURATION_TYPES "${QT_MULTI_CONFIG_FIRST_CONFIG}")
|
|
endif()
|
|
|
|
# We need to pass the modified CXX flags of the parent project so that using sccache works
|
|
# properly and doesn't error out due to concurrent access to the pdb files.
|
|
# See qt_internal_set_up_config_optimizations_like_in_qmake, "/Zi" "/Z7".
|
|
if(MSVC AND QT_FEATURE_msvc_obj_debug_info)
|
|
qt_internal_get_enabled_languages_for_flag_manipulation(enabled_languages)
|
|
set(configs RELWITHDEBINFO DEBUG)
|
|
foreach(lang ${enabled_languages})
|
|
foreach(config ${configs})
|
|
set(flag_var_name "CMAKE_${lang}_FLAGS_${config}")
|
|
list(APPEND vars_to_pass_if_defined "${flag_var_name}:STRING")
|
|
endforeach()
|
|
endforeach()
|
|
endif()
|
|
|
|
# When cross-compiling for a qemu target in our CI, we source an environment script
|
|
# that sets environment variables like CC and CXX. These are parsed by CMake on initial
|
|
# configuration to populate the cache vars CMAKE_${lang}_COMPILER.
|
|
# If the environment variable specified not only the compiler path, but also a list of flags
|
|
# to pass to the compiler, CMake parses those out into a separate CMAKE_${lang}_COMPILER_ARG1
|
|
# cache variable. In such a case, we want to ensure that the external project also sees those
|
|
# flags.
|
|
# Unfortunately we can't do that by simply forwarding CMAKE_${lang}_COMPILER_ARG1 to the EP
|
|
# because it breaks the compiler identification try_compile call, it simply doesn't consider
|
|
# the cache var. From what I could gather, it's a limitation of try_compile and the list
|
|
# of variables it considers for forwarding.
|
|
# To fix this case, we ensure not to pass either cache variable, and let the external project
|
|
# and its compiler identification try_compile project pick up the compiler and the flags
|
|
# from the environment variables instead.
|
|
foreach(lang_as_env_var CC CXX OBJC OBJCXX)
|
|
if(lang_as_env_var STREQUAL "CC")
|
|
set(lang_as_cache_var "C")
|
|
else()
|
|
set(lang_as_cache_var "${lang_as_env_var}")
|
|
endif()
|
|
set(lang_env_value "$ENV{${lang_as_env_var}}")
|
|
if(lang_env_value
|
|
AND CMAKE_${lang_as_cache_var}_COMPILER
|
|
AND CMAKE_${lang_as_cache_var}_COMPILER_ARG1)
|
|
# The compiler environment variable is set and specifies a list of extra flags, don't
|
|
# forward the compiler cache vars and rely on the environment variable to be picked up
|
|
# instead.
|
|
else()
|
|
list(APPEND vars_to_pass_if_defined "CMAKE_${lang_as_cache_var}_COMPILER:STRING")
|
|
endif()
|
|
endforeach()
|
|
unset(lang_as_env_var)
|
|
unset(lang_as_cache_var)
|
|
unset(lang_env_value)
|
|
|
|
list(APPEND vars_to_pass_if_defined
|
|
CMAKE_BUILD_TYPE:STRING
|
|
CMAKE_CONFIGURATION_TYPES:STRING
|
|
CMAKE_PREFIX_PATH:STRING
|
|
QT_EXAMPLES_CMAKE_PREFIX_PATH:STRING
|
|
QT_ADDITIONAL_PACKAGES_PREFIX_PATH:STRING
|
|
CMAKE_FIND_ROOT_PATH:STRING
|
|
BUILD_SHARED_LIBS:BOOL
|
|
CMAKE_OSX_ARCHITECTURES:STRING
|
|
CMAKE_OSX_DEPLOYMENT_TARGET:STRING
|
|
CMAKE_XCODE_ATTRIBUTE_CODE_SIGNING_ALLOWED:BOOL
|
|
CMAKE_XCODE_ATTRIBUTE_ONLY_ACTIVE_ARCH:BOOL
|
|
CMAKE_C_COMPILER_LAUNCHER:STRING
|
|
CMAKE_CXX_COMPILER_LAUNCHER:STRING
|
|
CMAKE_OBJC_COMPILER_LAUNCHER:STRING
|
|
CMAKE_OBJCXX_COMPILER_LAUNCHER:STRING
|
|
)
|
|
|
|
foreach(var_with_type IN LISTS vars_to_pass_if_defined)
|
|
string(REPLACE ":" ";" key_as_list "${var_with_type}")
|
|
list(GET key_as_list 0 var)
|
|
if(NOT DEFINED ${var})
|
|
continue()
|
|
endif()
|
|
|
|
# Preserve lists
|
|
string(REPLACE ";" "$<SEMICOLON>" varForGenex "${${var}}")
|
|
|
|
list(APPEND var_defs -D${var_with_type}=${varForGenex})
|
|
endforeach()
|
|
|
|
if(QT_INTERNAL_VERBOSE_EXAMPLES)
|
|
list(APPEND var_defs -DCMAKE_MESSAGE_LOG_LEVEL:STRING=DEBUG)
|
|
list(APPEND var_defs -DCMAKE_AUTOGEN_VERBOSE:BOOL=TRUE)
|
|
endif()
|
|
|
|
set(deps "")
|
|
list(REMOVE_DUPLICATES QT_EXAMPLE_DEPENDENCIES)
|
|
foreach(dep IN LISTS QT_EXAMPLE_DEPENDENCIES)
|
|
if(TARGET ${dep})
|
|
list(APPEND deps ${dep})
|
|
endif()
|
|
endforeach()
|
|
|
|
set(independent_args)
|
|
cmake_policy(PUSH)
|
|
if(POLICY CMP0114)
|
|
set(independent_args INDEPENDENT TRUE)
|
|
cmake_policy(SET CMP0114 NEW)
|
|
endif()
|
|
|
|
# The USES_TERMINAL_BUILD setting forces the build step to the console pool
|
|
# when using Ninja. This has two benefits:
|
|
#
|
|
# - You see build output as it is generated instead of at the end of the
|
|
# build step.
|
|
# - Only one task can use the console pool at a time, so it effectively
|
|
# serializes all example build steps, thereby preventing CPU
|
|
# over-commitment.
|
|
#
|
|
# If the loss of interactivity is not so important, one can allow CPU
|
|
# over-commitment for Ninja builds. This may result in better throughput,
|
|
# but is not allowed by default because it can make a machine almost
|
|
# unusable while a compilation is running.
|
|
set(terminal_args USES_TERMINAL_BUILD TRUE)
|
|
if(CMAKE_GENERATOR MATCHES "Ninja")
|
|
option(QT_BUILD_EXAMPLES_WITH_CPU_OVERCOMMIT
|
|
"Allow CPU over-commitment when building examples (Ninja only)"
|
|
)
|
|
if(QT_BUILD_EXAMPLES_WITH_CPU_OVERCOMMIT)
|
|
set(terminal_args)
|
|
endif()
|
|
endif()
|
|
|
|
# QT_EXAMPLE_INSTALL_MARKER
|
|
# The goal is to install each example project into a directory that keeps the example source dir
|
|
# hierarchy, without polluting the example projects with dirty INSTALL_EXAMPLEDIR and
|
|
# INSTALL_EXAMPLESDIR usage.
|
|
# E.g. ensure qtbase/examples/widgets/widgets/wiggly is installed to
|
|
# $qt_example_install_prefix/examples/widgets/widgets/wiggly/wiggly.exe
|
|
# $qt_example_install_prefix defaults to ${CMAKE_INSTALL_PREFIX}/${INSTALL_EXAMPLEDIR}
|
|
# but can also be set to a custom location.
|
|
# This needs to work both:
|
|
# - when using ExternalProject to build examples
|
|
# - when examples are built in-tree as part of Qt (no ExternalProject).
|
|
# The reason we want to support the latter is for nicer IDE integration: a can developer can
|
|
# work with a Qt repo and its examples using the same build dir.
|
|
#
|
|
# In both case we have to ensure examples are not accidentally installed to $qt_prefix/bin or
|
|
# similar.
|
|
#
|
|
# Example projects installation matrix.
|
|
# 1) ExternalProject + unclean example install rules (INSTALL_EXAMPLEDIR is set) =>
|
|
# use _qt_internal_override_example_install_dir_to_dot + ExternalProject_Add's INSTALL_DIR
|
|
# using relative_dir from QT_EXAMPLE_BASE_DIR to example_source_dir
|
|
#
|
|
# 2) ExternalProject + clean example install rules =>
|
|
# use ExternalProject_Add's INSTALL_DIR using relative_dir from QT_EXAMPLE_BASE_DIR to
|
|
# example_source_dir, _qt_internal_override_example_install_dir_to_dot would be a no-op
|
|
#
|
|
# 3) in-tree + unclean example install rules (INSTALL_EXAMPLEDIR is set)
|
|
# +
|
|
# 4) in-tree + clean example install rules =>
|
|
# ensure CMAKE_INSTALL_PREFIX is unset in parent cmake_install.cmake file, set non-cache
|
|
# CMAKE_INSTALL_PREFIX using relative_dir from QT_EXAMPLE_BASE_DIR to
|
|
# example_source_dir, use _qt_internal_override_example_install_dir_to_dot to ensure
|
|
# INSTALL_EXAMPLEDIR does not interfere.
|
|
|
|
# Allow customizing the installation path of the examples. Will be used in CI.
|
|
if(QT_INTERNAL_EXAMPLES_INSTALL_PREFIX)
|
|
set(qt_example_install_prefix "${QT_INTERNAL_EXAMPLES_INSTALL_PREFIX}")
|
|
else()
|
|
set(qt_example_install_prefix "${CMAKE_INSTALL_PREFIX}/${INSTALL_EXAMPLESDIR}")
|
|
endif()
|
|
file(TO_CMAKE_PATH "${qt_example_install_prefix}" qt_example_install_prefix)
|
|
|
|
set(example_install_prefix "${qt_example_install_prefix}/${example_rel_path}")
|
|
|
|
set(ep_binary_dir "${CMAKE_CURRENT_BINARY_DIR}/${subdir}")
|
|
|
|
set(build_command "")
|
|
if(QT_INTERNAL_VERBOSE_EXAMPLES AND CMAKE_GENERATOR MATCHES "Ninja")
|
|
set(build_command BUILD_COMMAND "${CMAKE_COMMAND}" --build "." -- -v)
|
|
endif()
|
|
|
|
ExternalProject_Add(${arg_NAME}
|
|
EXCLUDE_FROM_ALL TRUE
|
|
SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/${subdir}"
|
|
PREFIX "${CMAKE_CURRENT_BINARY_DIR}/${subdir}-ep"
|
|
STAMP_DIR "${CMAKE_CURRENT_BINARY_DIR}/${subdir}-ep/stamp"
|
|
BINARY_DIR "${ep_binary_dir}"
|
|
INSTALL_DIR "${example_install_prefix}"
|
|
INSTALL_COMMAND ""
|
|
${build_command}
|
|
TEST_COMMAND ""
|
|
DEPENDS ${deps}
|
|
CMAKE_CACHE_ARGS ${var_defs}
|
|
-DCMAKE_INSTALL_PREFIX:STRING=<INSTALL_DIR>
|
|
-DQT_INTERNAL_SET_EXAMPLE_INSTALL_DIR_TO_DOT:BOOL=TRUE
|
|
${terminal_args}
|
|
)
|
|
|
|
# Install the examples when the the user runs 'make install', and not at build time (which is
|
|
# the default for ExternalProjects).
|
|
install(CODE "\
|
|
# Install example from inside ExternalProject into the main build's install prefix.
|
|
execute_process(
|
|
COMMAND
|
|
\"${CMAKE_COMMAND}\" --build \"${ep_binary_dir}\" --target install
|
|
)
|
|
")
|
|
|
|
# Force configure step to re-run after we configure the main project
|
|
set(reconfigure_check_file ${CMAKE_CURRENT_BINARY_DIR}/reconfigure_${arg_NAME}.txt)
|
|
file(TOUCH ${reconfigure_check_file})
|
|
ExternalProject_Add_Step(${arg_NAME} reconfigure-check
|
|
DEPENDERS configure
|
|
DEPENDS ${reconfigure_check_file}
|
|
${independent_args}
|
|
)
|
|
|
|
# Create an apk external project step and custom target that invokes the apk target
|
|
# within the external project.
|
|
# Make the global apk target depend on that custom target.
|
|
if(ANDROID)
|
|
ExternalProject_Add_Step(${arg_NAME} apk
|
|
COMMAND ${CMAKE_COMMAND} --build <BINARY_DIR> --target apk
|
|
DEPENDEES configure
|
|
EXCLUDE_FROM_MAIN YES
|
|
${terminal_args}
|
|
)
|
|
ExternalProject_Add_StepTargets(${arg_NAME} apk)
|
|
|
|
if(TARGET apk)
|
|
add_dependencies(apk ${arg_NAME}-apk)
|
|
endif()
|
|
endif()
|
|
|
|
cmake_policy(POP)
|
|
|
|
string(TOLOWER ${PROJECT_NAME} project_name_lower)
|
|
add_dependencies(examples_${project_name_lower} ${arg_NAME})
|
|
|
|
endfunction()
|
|
|
|
if ("STANDALONE_TEST" IN_LIST Qt6BuildInternals_FIND_COMPONENTS)
|
|
include(${CMAKE_CURRENT_LIST_DIR}/QtStandaloneTestTemplateProject/Main.cmake)
|
|
if (NOT PROJECT_VERSION_MAJOR)
|
|
get_property(_qt_major_version TARGET ${QT_CMAKE_EXPORT_NAMESPACE}::Core PROPERTY INTERFACE_QT_MAJOR_VERSION)
|
|
set(PROJECT_VERSION ${Qt${_qt_major_version}Core_VERSION})
|
|
|
|
string(REPLACE "." ";" _qt_core_version_list ${PROJECT_VERSION})
|
|
list(GET _qt_core_version_list 0 PROJECT_VERSION_MAJOR)
|
|
list(GET _qt_core_version_list 1 PROJECT_VERSION_MINOR)
|
|
list(GET _qt_core_version_list 2 PROJECT_VERSION_PATCH)
|
|
endif()
|
|
endif()
|
|
|
|
function(qt_internal_static_link_order_test)
|
|
# The CMake versions greater than 3.21 take care about the resource object files order in a
|
|
# linker line, it's expected that all object files are located at the beginning of the linker
|
|
# line.
|
|
# No need to run the test.
|
|
if(CMAKE_VERSION VERSION_LESS 3.21)
|
|
__qt_internal_check_link_order_matters(link_order_matters)
|
|
if(link_order_matters)
|
|
set(summary_message "no")
|
|
else()
|
|
set(summary_message "yes")
|
|
endif()
|
|
else()
|
|
set(summary_message "yes")
|
|
endif()
|
|
qt_configure_add_summary_entry(TYPE "message"
|
|
ARGS "Linker can resolve circular dependencies"
|
|
MESSAGE "${summary_message}"
|
|
)
|
|
endfunction()
|
|
|
|
function(qt_internal_check_cmp0099_available)
|
|
# Don't care about CMP0099 in CMake versions greater than or equal to 3.21
|
|
if(CMAKE_VERSION VERSION_GREATER_EQUAL 3.21)
|
|
return()
|
|
endif()
|
|
|
|
__qt_internal_check_cmp0099_available(result)
|
|
if(result)
|
|
set(summary_message "yes")
|
|
else()
|
|
set(summary_message "no")
|
|
endif()
|
|
qt_configure_add_summary_entry(TYPE "message"
|
|
ARGS "CMake policy CMP0099 is supported"
|
|
MESSAGE "${summary_message}"
|
|
)
|
|
endfunction()
|
|
|
|
function(qt_internal_run_common_config_tests)
|
|
qt_configure_add_summary_section(NAME "Common build options")
|
|
qt_internal_static_link_order_test()
|
|
qt_internal_check_cmp0099_available()
|
|
qt_configure_end_summary_section()
|
|
endfunction()
|