qt5base-lts/cmake/QtPluginDependencies.cmake.in

# Save old module path, and append a new path that points to the copied over Find modules
# so that find_dependency() can find the third party packages.
set(old_CMAKE_MODULE_PATH "${CMAKE_MODULE_PATH}")
list(APPEND CMAKE_MODULE_PATH "${_import_prefix}/../@INSTALL_CMAKE_NAMESPACE@")
list(APPEND CMAKE_MODULE_PATH "${_import_prefix}/../@INSTALL_CMAKE_NAMESPACE@/3rdparty/extra-cmake-modules/find-modules")
list(APPEND CMAKE_MODULE_PATH "${_import_prefix}/../@INSTALL_CMAKE_NAMESPACE@/3rdparty/kwin")

# note: _third_party_deps example: "ICU\\;1.0\\;i18n uc data;ZLIB\\;\\;"
set(_third_party_deps "@third_party_deps@")

foreach(_target_dep ${_third_party_deps})
    list(GET _target_dep 0 pkg)
    list(GET _target_dep 1 version)
    list(GET _target_dep 2 components)
    set(find_package_args "${pkg}")
    if(version)
        list(APPEND find_package_args "${version}")
    endif()

    if (NOT ${pkg}_FOUND)
        if(components)
            string(REPLACE " " ";" components "${components}")
            find_dependency(${find_package_args} COMPONENTS ${components})
        else()
            find_dependency(${find_package_args})
        endif()
    endif()

    if (NOT ${pkg}_FOUND)
        set(@target@_FOUND FALSE)
        return()
    endif()
endforeach()

# Restore old module path.
set(CMAKE_MODULE_PATH "${old_CMAKE_MODULE_PATH}")

# note: target_deps example: "Qt6Core\;5.12.0;Qt6Gui\;5.12.0"
set(_target_deps "@target_deps@")
foreach(_target_dep ${_target_deps})
    list(GET _target_dep 0 pkg)
    list(GET _target_dep 1 version)

    if (NOT ${pkg}_FOUND)
        find_dependency(${pkg} ${version}
            PATHS "${CMAKE_CURRENT_LIST_DIR}/.." NO_DEFAULT_PATH
        )
    endif()

    if (NOT ${pkg}_FOUND)
        set(@target@_FOUND FALSE)
        return()
    endif()
endforeach()