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++ # Copyright (C) 2022 The Qt Company Ltd.
++ # SPDX-License-Identifier: BSD-3-Clause
++
++ # Finish a preliminary .pc file.
++ #
++ # - Appends to each requirement the proper configuration postfix.
++ # - Strips empty PkgConfig fields.
++ #
++ # This file is to be used in CMake script mode with the following variables set:
++ # IN_FILE: path to the step 2 preliminary .pc file.
++ # OUT_FILE: path to the .pc file that is going to be created.
++ # POSTFIX: postfix for each requirement (optional).
++
++ cmake_policy(SET CMP0057 NEW)
++ file(STRINGS "${IN_FILE}" lines)
++ set(content "")
++ set(emptied "Libs:" "Cflags:" "Requires:")
++ foreach(line ${lines})
++ if(POSTFIX)
++ if(line MATCHES "^Libs:")
++ string(REGEX REPLACE "( -lQt[^ ]+)" "\\1${POSTFIX}" line "${line}")
++ elseif(line MATCHES "^Requires:")
++ string(REGEX REPLACE "( Qt[^ ]+)" "\\1${POSTFIX}" line "${line}")
++ endif()
++ endif()
++ string(REGEX REPLACE " +$" "" line "${line}")
++ if(NOT line IN_LIST emptied)
++ string(APPEND content "${line}\n")
++ endif()
++ endforeach()
++ file(WRITE "${OUT_FILE}" "${content}")