Revision control

++ # Copyright (C) 2022 The Qt Company Ltd.
++ # SPDX-License-Identifier: BSD-3-Clause
++
++ find_package(PkgConfig QUIET)
++
++ pkg_check_modules(Libproxy IMPORTED_TARGET "libproxy-1.0>=0.4.16")
++
++ if (NOT TARGET PkgConfig::Libproxy)
++ set(Libproxy_FOUND 0)
++ endif()