qt5base-lts/cmake/QtBuildInternals/QtStandaloneTestTemplateProject/CMakeLists.txt

cmake_minimum_required(VERSION 3.16)
project(qt_single_test VERSION 6.0.0 LANGUAGES C CXX ASM)

find_package(Qt6 REQUIRED COMPONENTS BuildInternals)

# Includes QtSetup and friends for private CMake API.
qt_build_internals_set_up_private_api()

# Find all StandaloneTestsConfig.cmake files, and include them
# This will find all Qt packages that are required for standalone tests.
# It will find more packages that needed for a certain test, but will ensure any test can
# be built.
qt_get_standalone_tests_confg_files_path(standalone_tests_config_path)

file(GLOB config_files "${standalone_tests_config_path}/*")
foreach(file ${config_files})
    include("${file}")
endforeach()

# Get the absolute path of the passed-in project dir, relative to the current working directory
# of the calling script, rather than relative to this source directory.
# The calling script sets PWD. If not set, just use the passed-in value as-is.
if(DEFINED PWD)
    get_filename_component(absolute_project_path "${QT_STANDALONE_TEST_PATH}" ABSOLUTE
                           BASE_DIR "${PWD}")
else()
    set(absolute_project_path "${QT_STANDALONE_TEST_PATH}")
endif()

# Just before adding the test, change the local (non-cache) install prefix to something other than
# the Qt install prefix, so that tests don't try to install and pollute the Qt install prefix.
# Needs to be called after qt_get_standalone_tests_confg_files_path().
qt_set_up_fake_standalone_tests_install_prefix()

# Add the test project path as a subdirectory project.
add_subdirectory("${absolute_project_path}" "build_dir")