#
# Copyright (C) 2005-2020 Centre National d'Etudes Spatiales (CNES)
#
# This file is part of Orfeo Toolbox
#
#     https://www.orfeo-toolbox.org/
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
macro(clear_cmakecache_variables)
unset(matched_vars CACHE)
  get_variables_ending_with("_USED|_RESOLVED" matched_vars)
  foreach (var_to_unset IN LISTS matched_vars)
    if(PKG_DEBUG)
      message("unset ${var_to_unset} from cache")
    endif()
    unset(${var_to_unset} CACHE)
  endforeach()
endmacro() #clear_cmakecache_variables
