############################################################################
# Copyright 2007-2025 Universidade do Porto - Faculdade de Engenharia      #
# Laboratório de Sistemas e Tecnologia Subaquática (LSTS)                  #
############################################################################
# This file is part of DUNE: Unified Navigation Environment.               #
#                                                                          #
# Commercial Licence Usage                                                 #
# Licencees holding valid commercial DUNE licences may use this file in    #
# accordance with the commercial licence agreement provided with the       #
# Software or, alternatively, in accordance with the terms contained in a  #
# written agreement between you and Faculdade de Engenharia da             #
# Universidade do Porto. For licensing terms, conditions, and further      #
# information contact lsts@fe.up.pt.                                       #
#                                                                          #
# Modified European Union Public Licence - EUPL v.1.1 Usage                #
# Alternatively, this file may be used under the terms of the Modified     #
# EUPL, Version 1.1 only (the "Licence"), appearing in the file LICENCE.md #
# included in the packaging of this file. You may not use this work        #
# except in compliance with the Licence. Unless required by applicable     #
# law or agreed to in writing, software distributed under the Licence is   #
# distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF     #
# ANY KIND, either express or implied. See the Licence for the specific    #
# language governing permissions and limitations at                        #
# https://github.com/LSTS/dune/blob/master/LICENCE.md and                  #
# http://ec.europa.eu/idabc/eupl.html.                                     #
############################################################################
# Author: Ricardo Martins                                                  #
############################################################################

if(V4L2)
  dune_test_lib(v4l2 v4l2_open)
  dune_test_header(libv4l2.h)

  if(DUNE_SYS_HAS_LIB_V4L2 AND DUNE_SYS_HAS_LIBV4L2_H)
    set(DUNE_USING_V4L2 1 CACHE INTERNAL "libv4l2")
  else(DUNE_SYS_HAS_LIB_V4L2 AND DUNE_SYS_HAS_LIBV4L2_H)
    set(DUNE_USING_V4L2 0 CACHE INTERNAL "libv4l2")
  endif(DUNE_SYS_HAS_LIB_V4L2 AND DUNE_SYS_HAS_LIBV4L2_H)
endif(V4L2)