qt5base-lts/coin/instructions/qmake/ensure_pro_file.cmake

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# Copyright (C) 2022 The Qt Company Ltd.
# SPDX-License-Identifier: BSD-3-Clause
# CMake script to ensure that a qmake project file exists.
#
# Usage: cmake -DPRO_FILE=.../project.pro -P .../ensure_pro_file.cmake
#
# This script checks for existence of ${PRO_FILE} and creates a fake one, if needed.
#
if(NOT EXISTS "${PRO_FILE}")
get_filename_component(dir "${PRO_FILE}" DIRECTORY)
if(NOT IS_DIRECTORY "${dir}")
file(MAKE_DIRECTORY "${dir}")
endif()
file(WRITE "${PRO_FILE}" "TEMPLATE = aux
")
endif()