b89d63515b
syncqt.pl adds an extra dependency on perl when building Qt. Modern C++
provides the convenient cross-platform way to access a filesystem and
to use regular expressions, so we may replace the perl script with C++
application. The syncqt executable is built at configure time and
installed as QtCore tool. It's running at configure time to deliver the
required header files for IDE to build a consistent code model and at
the build time to keep tracking changes in header files and generate
the missing aliases without reconfiguring. 'syncqt' only parses header
files from a CMake build tree, so the resulting Qt installation only
contains interfacing headers that belong to the platform that Qt is
built for. 'sync.profile' files are not used as the 'source of truth'
for sync qt procedure anymore, all the necessary information is taken
from either CMake files at configure time or from the module header
files while parsing them.
syncqt.pl is still in place since it's required as fallback solution
for a smooth transition to the new syncqt implementation for all qt
repositories.
This patchset only enables the C++ based syncqt for 'qtbase'
repository.
From the performance perspective C++ version works faster then perl
script, also the configure time is reduced significally on subsequent
reconfigurations - up x2 times faster when re-configuring repository,
but it also takes time to compile the tool itself the first time.
Numbers for qtbase:
syncqt.pl syncqt.cpp
initial: 0m16,035s 0m20,413s
reconfig: 0m6,819s 0m3,725s
The syncing procedure can be run separately for each module using
<ModuleName>_sync_headers targets. The 'sync_headers' target can be
used to sync all the modules at once.
Task-number: QTBUG-87480
Task-number: QTBUG-103196
Change-Id: I8c938bcaf88a8713b39bbfd66d9e7ef12b2c3523
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
1358 lines
58 KiB
CMake
1358 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...3.20)
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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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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"))
|
|
install(CODE [[message(FATAL_ERROR
|
|
"Qt was configured as non-prefix build. "
|
|
"Installation is not supported for this arrangement.")]])
|
|
endif()
|
|
|
|
install(CODE [[return()]])
|
|
endif()
|
|
|
|
qt_enable_cmake_languages()
|
|
|
|
qt_internal_generate_binary_strip_wrapper()
|
|
|
|
# Add global docs targets that will work both for per-repo builds, and super builds.
|
|
if(NOT TARGET docs)
|
|
add_custom_target(docs)
|
|
add_custom_target(prepare_docs)
|
|
add_custom_target(generate_docs)
|
|
add_custom_target(html_docs)
|
|
add_custom_target(qch_docs)
|
|
add_custom_target(install_html_docs)
|
|
add_custom_target(install_qch_docs)
|
|
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 ${synced_modules} CACHE INTERNAL
|
|
"List of the synced modules. Prevents running syncqt.cpp after the first configuring.")
|
|
endif()
|
|
endmacro()
|
|
|
|
macro(qt_build_repo)
|
|
qt_build_repo_begin(${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()
|