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qtbase/examples/CMakeLists.txt

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Add license headers to cmake files CMakeLists.txt and .cmake files of significant size (more than 2 lines according to our check in tst_license.pl) now have the copyright and license header. Existing copyright statements remain intact Task-number: QTBUG-88621 Change-Id: I3b98cdc55ead806ec81ce09af9271f9b95af97fa Reviewed-by: Jörg Bornemann <joerg.bornemann@qt.io>
2022-07-05 11:26:52 +00:00
# Copyright (C) 2022 The Qt Company Ltd.
Correct license for examples files Example takes precedent over build system file type. According to QUIP-18 [1], all examples file should be LicenseRef-Qt-Commercial OR BSD-3-Clause [1]: https://contribute.qt-project.org/quips/18 Pick-to: 6.7 Task-number: QTBUG-121787 Change-Id: Id348a89884bb309b96abb31077f14a51086b5d0c Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org> Reviewed-by: Kai Köhne <kai.koehne@qt.io>
2024-02-28 10:38:51 +00:00
# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
Add license headers to cmake files CMakeLists.txt and .cmake files of significant size (more than 2 lines according to our check in tst_license.pl) now have the copyright and license header. Existing copyright statements remain intact Task-number: QTBUG-88621 Change-Id: I3b98cdc55ead806ec81ce09af9271f9b95af97fa Reviewed-by: Jörg Bornemann <joerg.bornemann@qt.io>
2022-07-05 11:26:52 +00:00
CMake: Allow building all examples as standalone just like tests Introduce a new libexec/qt-internal-configure-examples script that allows to configure and build "standalone examples" just like "standalone tests". This is a prerequisite for using deployment api in examples for prefix builds, otherwise deployment api gets confused not finding various information that it expects from an installed qt. Because the various conditions in the build system for standalone examples are similar to standalone tests, introduce a new QT_BUILD_STANDALONE_PARTS variable and use that in the conditions. The variable should not be set by the user, and is instead set by the build system whenever QT_BUILD_STANDALONE_TESTS/EXAMPLES is set. Unfortunately due to no common file being available before the first project() call, in qtbase builds, per-repo builds and top-level builds, we need to duplicate the code for setting QT_BUILD_STANDALONE_PARTS for all three cases. Task-number: QTBUG-90820 Task-number: QTBUG-96232 Change-Id: Ia40d03a0e8f5142abe5c7cd4ff3000df4a5f7a8a Reviewed-by: Alexey Edelev <alexey.edelev@qt.io> Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
2024-03-06 16:43:04 +00:00
if(QT_BUILD_STANDALONE_EXAMPLES)
# Needed for early feature values, despite it being found later on in qt_build_tests().
# Needs to be find_package, not qt_find_package, because qt_find_package doesn't handle finding
# component for a super-package that has already been found.
find_package(Qt6 ${PROJECT_VERSION} CONFIG REQUIRED COMPONENTS Core)
# Modify the optimization flags specifically for qtbase standalone examples. Other projects
# are handled by qt_enable_cmake_languages().
qt_internal_set_up_config_optimizations_like_in_qmake()
endif()
Build examples in isolated sub-builds using ExternalProject Examples are intended to show how to build against an installed Qt. Building them as part of the main build means the way the Qt targets are defined and created are not representative of an end user's build. By building them as separate projects using ExternalProject, we can more closely replicate the intended audience's environment. This should allow us to catch more problems earlier. Having examples built as part of the main build also creates problems with some static builds where a tool built by the main build is needed during configure time. This happens with other repos like qtdeclarative but not (currently) with qtbase. Converting the examples in qtbase to be built using ExternalProject is intended as a demonstrator for how other repos can do similar. Until other repos are converted, they will continue to work as they did before, with examples as part of the main build for non-static builds only. The new build-externally behavior is only supported for non-prefix builds with this change. Prefix builds will continue to use the old non-external method. Support for building examples externally in prefix builds will be a separate change. Task-number: QTBUG-90820 Fixes: QTBUG-91068 Change-Id: I2304329940568dbdb7da18d54d5595ea7d8668bc Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
2021-05-24 06:35:39 +00:00
qt_examples_build_begin(EXTERNAL_BUILD)
CMake: Regenerate examples Change-Id: I1c51b10af4e2b26f54740f257164c56a0e2a03ce Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io> Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
2020-07-07 13:24:45 +00:00
examples/: compile with QT_NO_CONTEXTLESS_CONNECT Examples are usually a good way to get to know a new codebase, do not teach developers who are new to Qt about the 3-arg connect() to begin with. Drive-by changes: - `this` can't be implicitly captured with [=] in a lambda, instead capture by reference - Update docs related to the sqlbrowser example; the overloaded signal it mentions has been removed in Qt6 - In the sqlbrowser example, rename addConnection() (no-arg) overload to openNewConnectionDialog, suggested in code review Change-Id: I30c9f35bda4ac2f460d767ab7f84422ae3ed09f7 Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
2023-07-20 22:04:40 +00:00
add_compile_definitions(QT_NO_CONTEXTLESS_CONNECT)
CMake: Add more examples Change-Id: I7a8a3fd0a844a518592957fe07c6e707dd452d5f Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
2019-03-18 18:26:24 +00:00
add_subdirectory(corelib)
Examples: Use Qt6:: to qualify Qt CMake packages This is what we promote also in the documentation. Change-Id: If91aebafe861b0c934acbb2c69afd182abc3345d Reviewed-by: Jörg Bornemann <joerg.bornemann@qt.io>
2022-11-14 13:49:32 +00:00
if(TARGET Qt6::DBus)
CMake: Add more examples Change-Id: I7a8a3fd0a844a518592957fe07c6e707dd452d5f Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
2019-03-18 18:26:24 +00:00
add_subdirectory(dbus)
endif()
Examples: Use Qt6:: to qualify Qt CMake packages This is what we promote also in the documentation. Change-Id: If91aebafe861b0c934acbb2c69afd182abc3345d Reviewed-by: Jörg Bornemann <joerg.bornemann@qt.io>
2022-11-14 13:49:32 +00:00
if(TARGET Qt6::Network)
CMake: Add more examples Change-Id: I7a8a3fd0a844a518592957fe07c6e707dd452d5f Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
2019-03-18 18:26:24 +00:00
add_subdirectory(network)
endif()
Examples: Use Qt6:: to qualify Qt CMake packages This is what we promote also in the documentation. Change-Id: If91aebafe861b0c934acbb2c69afd182abc3345d Reviewed-by: Jörg Bornemann <joerg.bornemann@qt.io>
2022-11-14 13:49:32 +00:00
if(TARGET Qt6::Test)
CMake: Add more examples Change-Id: I7a8a3fd0a844a518592957fe07c6e707dd452d5f Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
2019-03-18 18:26:24 +00:00
add_subdirectory(qtestlib)
endif()
Examples: Use Qt6:: to qualify Qt CMake packages This is what we promote also in the documentation. Change-Id: If91aebafe861b0c934acbb2c69afd182abc3345d Reviewed-by: Jörg Bornemann <joerg.bornemann@qt.io>
2022-11-14 13:49:32 +00:00
if(TARGET Qt6::Concurrent)
CMake: Add more examples Change-Id: I7a8a3fd0a844a518592957fe07c6e707dd452d5f Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
2019-03-18 18:26:24 +00:00
add_subdirectory(qtconcurrent)
endif()
Examples: Use Qt6:: to qualify Qt CMake packages This is what we promote also in the documentation. Change-Id: If91aebafe861b0c934acbb2c69afd182abc3345d Reviewed-by: Jörg Bornemann <joerg.bornemann@qt.io>
2022-11-14 13:49:32 +00:00
if(TARGET Qt6::Sql)
CMake: Add more examples Change-Id: I7a8a3fd0a844a518592957fe07c6e707dd452d5f Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
2019-03-18 18:26:24 +00:00
add_subdirectory(sql)
endif()
Examples: Use Qt6:: to qualify Qt CMake packages This is what we promote also in the documentation. Change-Id: If91aebafe861b0c934acbb2c69afd182abc3345d Reviewed-by: Jörg Bornemann <joerg.bornemann@qt.io>
2022-11-14 13:49:32 +00:00
if(TARGET Qt6::Widgets)
Allow to build examples as standalone project Create CMake config files which can be used from the very same CMake project. These CMake config files simply do not create any targets, controlled via the QT_NO_CREATE_TARGETS. This patch also allows to build qtbase.git:examples as a standalone project, against an already-built Qt. Ran this: ag -s "QT " examples -l -0 | xargs -0 -n 1 .../util/cmake/pro2cmake.py --is-example Task-number: QTBUG-74713 Change-Id: I44cce5a4048618b30f890c5b789592c227a8b47d Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
2019-06-04 15:08:47 +00:00
add_subdirectory(widgets)
endif()
Examples: Use Qt6:: to qualify Qt CMake packages This is what we promote also in the documentation. Change-Id: If91aebafe861b0c934acbb2c69afd182abc3345d Reviewed-by: Jörg Bornemann <joerg.bornemann@qt.io>
2022-11-14 13:49:32 +00:00
if(TARGET Qt6::Xml)
Allow to build examples as standalone project Create CMake config files which can be used from the very same CMake project. These CMake config files simply do not create any targets, controlled via the QT_NO_CREATE_TARGETS. This patch also allows to build qtbase.git:examples as a standalone project, against an already-built Qt. Ran this: ag -s "QT " examples -l -0 | xargs -0 -n 1 .../util/cmake/pro2cmake.py --is-example Task-number: QTBUG-74713 Change-Id: I44cce5a4048618b30f890c5b789592c227a8b47d Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
2019-06-04 15:08:47 +00:00
add_subdirectory(xml)
endif()
Examples: Use Qt6:: to qualify Qt CMake packages This is what we promote also in the documentation. Change-Id: If91aebafe861b0c934acbb2c69afd182abc3345d Reviewed-by: Jörg Bornemann <joerg.bornemann@qt.io>
2022-11-14 13:49:32 +00:00
if(TARGET Qt6::Gui)
Begin port of qtbase to CMake Done-by: Alexandru Croitor <alexandru.croitor@qt.io> Done-by: Frederik Gladhorn <frederik.gladhorn@qt.io> Done-by: Kevin Funk <kevin.funk@kdab.com> Done-by: Mikhail Svetkin <mikhail.svetkin@qt.io> Done-by: Simon Hausmann <simon.hausmann@qt.io> Done-by: Tobias Hunger <tobias.hunger@qt.io> Done-by: Tor Arne Vestbø <tor.arne.vestbo@qt.io> Done-by: Volker Krause <volker.krause@kdab.com> Change-Id: Ida4f8bd190f9a4849a1af7b5b7981337a5df5310 Reviewed-by: Simon Hausmann <simon.hausmann@qt.io> Reviewed-by: Tobias Hunger <tobias.hunger@qt.io> Reviewed-by: Mikhail Svetkin <mikhail.svetkin@qt.io>
2018-10-24 13:20:27 +00:00
add_subdirectory(gui)
CMake: Regenerate examples Change-Id: I1c51b10af4e2b26f54740f257164c56a0e2a03ce Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io> Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
2020-07-07 13:24:45 +00:00
endif()
Examples: Use Qt6:: to qualify Qt CMake packages This is what we promote also in the documentation. Change-Id: If91aebafe861b0c934acbb2c69afd182abc3345d Reviewed-by: Jörg Bornemann <joerg.bornemann@qt.io>
2022-11-14 13:49:32 +00:00
if(QT_FEATURE_opengl AND TARGET Qt6::Gui)
CMake: Regenerate examples Change-Id: I1c51b10af4e2b26f54740f257164c56a0e2a03ce Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io> Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
2020-07-07 13:24:45 +00:00
add_subdirectory(opengl)
endif()
Examples: Use Qt6:: to qualify Qt CMake packages This is what we promote also in the documentation. Change-Id: If91aebafe861b0c934acbb2c69afd182abc3345d Reviewed-by: Jörg Bornemann <joerg.bornemann@qt.io>
2022-11-14 13:49:32 +00:00
if(QT_FEATURE_vulkan AND TARGET Qt6::Gui)
CMake: Regenerate examples Change-Id: I1c51b10af4e2b26f54740f257164c56a0e2a03ce Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io> Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
2020-07-07 13:24:45 +00:00
add_subdirectory(vulkan)
Begin port of qtbase to CMake Done-by: Alexandru Croitor <alexandru.croitor@qt.io> Done-by: Frederik Gladhorn <frederik.gladhorn@qt.io> Done-by: Kevin Funk <kevin.funk@kdab.com> Done-by: Mikhail Svetkin <mikhail.svetkin@qt.io> Done-by: Simon Hausmann <simon.hausmann@qt.io> Done-by: Tobias Hunger <tobias.hunger@qt.io> Done-by: Tor Arne Vestbø <tor.arne.vestbo@qt.io> Done-by: Volker Krause <volker.krause@kdab.com> Change-Id: Ida4f8bd190f9a4849a1af7b5b7981337a5df5310 Reviewed-by: Simon Hausmann <simon.hausmann@qt.io> Reviewed-by: Tobias Hunger <tobias.hunger@qt.io> Reviewed-by: Mikhail Svetkin <mikhail.svetkin@qt.io>
2018-10-24 13:20:27 +00:00
endif()
Allow to build examples as standalone project Create CMake config files which can be used from the very same CMake project. These CMake config files simply do not create any targets, controlled via the QT_NO_CREATE_TARGETS. This patch also allows to build qtbase.git:examples as a standalone project, against an already-built Qt. Ran this: ag -s "QT " examples -l -0 | xargs -0 -n 1 .../util/cmake/pro2cmake.py --is-example Task-number: QTBUG-74713 Change-Id: I44cce5a4048618b30f890c5b789592c227a8b47d Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
2019-06-04 15:08:47 +00:00
Fix Standalone Example build when crosscompiling Added qt_examples_begin() and qt_examples_end() macros to setup the example list so it can be re-used in other projects. When cross-compiling, we also need to set CMAKE_FIND_ROOT_PATH_MODE_PACKAGE to BOTH in order for find_package() to work correctly. Removed support for building the whole qtbase/examples folder as a standalone project. Building examples is only supported when building the whole of qtbase (qtbase + examples together) or each individual example is built separately against an installed Qt version. Change-Id: I9d26b94b48b95af230b76ab618becb21d2d45581 Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>
2019-06-06 11:08:41 +00:00
qt_examples_build_end()