CTK/CMake/ctkExternalProjectAlwaysConfigure.cmake

###########################################################################
#
#  Library:   CTK
#
#  Copyright (c) Kitware Inc.
#
#  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.txt
#
#  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.
#
###########################################################################

function(ExternalProject_AlwaysConfigure proj)
  # This custom external project step forces the configure and later
  # steps to run.
  _ep_get_step_stampfile(${proj} "configure" stampfile)
  ExternalProject_Add_Step(${proj} forceconfigure
    COMMAND ${CMAKE_COMMAND} -E remove ${stampfile}
    COMMENT "Forcing configure step for '${proj}'"
    DEPENDEES build
    ALWAYS 1
    )
endfunction()