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CMake: Move some code back into qtbase 

It's somewhat painful to do changes in the top-level CMakeLists.txt
in regards to calling qtbase commands, because the file needs to be
compatible with different qtbase sha1s while the submodule update
catches up with a new qtbase to be used for qt5.git.

Use the commands defined in the new QtBaseTopLevelHelpers.cmake file to
to move some responsibility back to qtbase.

This way we can hopefully avoid some churn and do direct changes in
qtbase instead.

Pick-to: 6.6
Task-number: QTBUG-112957
Change-Id: Id897a9f7da366b00a0780a2475b1fb5772bbe8bc
Reviewed-by: Alexey Edelev <alexey.edelev@qt.io>
Reviewed-by: Amir Masoud Abdol <amir.abdol@qt.io>
This commit is contained in:
Alexandru Croitor 2023-08-28 12:12:43 +02:00
parent b49729a50c
commit 29e674d299
1 changed files with 7 additions and 34 deletions
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41
CMakeLists.txt
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@ -2,22 +2,15 @@
# 3.16 is the absolute minimum though.
cmake_minimum_required(VERSION 3.16...3.21)
# set QT_SUPERBUILD early, so that qtbase/.cmake.conf can check it
set(QT_SUPERBUILD TRUE)
# Include qtbase's .cmake.conf for access to QT_REPO_MODULE_VERSION
set(__qt6_qtbase_src_path "${CMAKE_CURRENT_SOURCE_DIR}/qtbase")
include("${__qt6_qtbase_src_path}/.cmake.conf")
include("${__qt6_qtbase_src_path}/cmake/QtBaseTopLevelHelpers.cmake")
# Run platform auto-detection /before/ the first project() call and thus
# before the toolchain file is loaded.
# Don't run auto-detection when doing standalone tests. In that case, the detection
# results are taken from either QtBuildInternals or the qt.toolchain.cmake file.
if(NOT QT_BUILD_STANDALONE_TESTS)
include("${__qt6_qtbase_src_path}/cmake/QtAutoDetect.cmake")
endif()
qt_internal_top_level_setup_autodetect()
project(Qt
VERSION "${QT_REPO_MODULE_VERSION}"
@ -26,24 +19,15 @@ project(Qt
LANGUAGES CXX C ASM
)
# Required so we can call ctest from the root build directory
enable_testing()
qt_internal_top_level_setup_after_project()
list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
if (NOT QT_BUILD_STANDALONE_TESTS)
list(APPEND CMAKE_MODULE_PATH "${__qt6_qtbase_src_path}/cmake")
list(APPEND CMAKE_MODULE_PATH
"${__qt6_qtbase_src_path}/cmake/3rdparty/extra-cmake-modules/find-modules")
list(APPEND CMAKE_MODULE_PATH "${__qt6_qtbase_src_path}/cmake/3rdparty/kwin")
endif()
qt_internal_top_level_setup_cmake_module_path()
include(QtTopLevelHelpers)
include(ECMOptionalAddSubdirectory)
# Also make sure the CMake config files do not recreate the already-existing targets
if (NOT QT_BUILD_STANDALONE_TESTS)
set(QT_NO_CREATE_TARGETS TRUE)
endif()
qt_internal_top_level_before_build_submodules()
# Get submodule list if not already defined
if(NOT QT_BUILD_SUBMODULES)
@ -112,18 +96,7 @@ foreach(module IN LISTS QT_BUILD_SUBMODULES)
message(STATUS "Configuring submodule '${module}'")
ecm_optional_add_subdirectory("${module}")
if(module STREQUAL "qtbase")
if (NOT QT_BUILD_STANDALONE_TESTS)
list(APPEND CMAKE_PREFIX_PATH "${QtBase_BINARY_DIR}/${INSTALL_LIBDIR}/cmake")
list(APPEND CMAKE_FIND_ROOT_PATH "${QtBase_BINARY_DIR}")
endif()
endif()
qt_internal_top_level_after_add_subdirectory()
endforeach()
if(NOT QT_BUILD_STANDALONE_TESTS)
# Display a summary of everything
include(QtBuildInformation)
include(QtPlatformSupport)
qt_print_feature_summary()
qt_print_build_instructions()
endif()
qt_internal_top_level_end()