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# Copyright (C) 2022 The Qt Company Ltd.
# SPDX-License-Identifier: BSD-3-Clause
# These values should be kept in sync with those in qtbase/.cmake.conf
cmake_minimum_required(VERSION 3.16...3.21)
set(QT_BACKUP_CMAKE_INSTALL_PREFIX_BEFORE_EXTRA_INCLUDE "${CMAKE_INSTALL_PREFIX}")
# This depends on qt_internal_read_repo_dependencies existing.
if(EXISTS "${CMAKE_CURRENT_LIST_DIR}/QtBuildInternalsExtra.cmake")
include(${CMAKE_CURRENT_LIST_DIR}/QtBuildInternalsExtra.cmake)
endif()
macro(qt_internal_setup_cmake_and_export_namespace)
# The variables might have already been set in QtBuildInternalsExtra.cmake if the file is
# included while building a new module and not QtBase. In that case, stop overriding the value.
if(NOT INSTALL_CMAKE_NAMESPACE)
set(INSTALL_CMAKE_NAMESPACE "Qt${PROJECT_VERSION_MAJOR}"
CACHE STRING "CMake namespace [Qt${PROJECT_VERSION_MAJOR}]")
endif()
if(NOT QT_CMAKE_EXPORT_NAMESPACE)
set(QT_CMAKE_EXPORT_NAMESPACE "Qt${PROJECT_VERSION_MAJOR}"
CACHE STRING "CMake namespace used when exporting targets [Qt${PROJECT_VERSION_MAJOR}]")
endif()
endmacro()
macro(qt_set_up_build_internals_paths)
# Set up the paths for the cmake modules located in the prefix dir. Prepend, so the paths are
# least important compared to the source dir ones, but more important than command line
# provided ones.
set(QT_CMAKE_MODULE_PATH "${QT_BUILD_INTERNALS_PATH}/../${QT_CMAKE_EXPORT_NAMESPACE}")
list(PREPEND CMAKE_MODULE_PATH "${QT_CMAKE_MODULE_PATH}")
# Prepend the qtbase source cmake directory to CMAKE_MODULE_PATH,
# so that if a change is done in cmake/QtBuild.cmake, it gets automatically picked up when
# building qtdeclarative, rather than having to build qtbase first (which will copy
# QtBuild.cmake to the build dir). This is similar to qmake non-prefix builds, where the
# source qtbase/mkspecs directory is used.
# TODO: Clean this up, together with qt_internal_try_compile_binary_for_strip to only use the
# the qtbase sources when building qtbase. And perhaps also when doing a non-prefix
# developer-build.
if(EXISTS "${QT_SOURCE_TREE}/cmake")
list(PREPEND CMAKE_MODULE_PATH "${QT_SOURCE_TREE}/cmake")
endif()
# If the repo has its own cmake modules, include those in the module path.
if(EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
list(PREPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
endif()
# Find the cmake files when doing a standalone tests build.
if(EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/../cmake")
list(PREPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/../cmake")
endif()
endmacro()
qt_internal_setup_cmake_and_export_namespace()
# Set up the build internal paths unless explicitly requested not to.
if(NOT QT_BUILD_INTERNALS_SKIP_CMAKE_MODULE_PATH_ADDITION)
# Depends on qt_internal_setup_cmake_and_export_namespace
qt_set_up_build_internals_paths()
endif()
include(QtBuildHelpers)
qt_internal_include_all_helpers()
qt_internal_setup_build_internals()
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