# - Find Spacenav library
# Find the native Spacenav includes and library
# This module defines
#  SPACENAV_INCLUDE_DIRS, where to find spnav.h, Set when
#                        SPACENAV_INCLUDE_DIR is found.
#  SPACENAV_LIBRARIES, libraries to link against to use Spacenav.
#  SPACENAV_ROOT_DIR, The base directory to search for Spacenav.
#                    This can also be an environment variable.
#  SPACENAV_FOUND, If false, do not try to use Spacenav.
#
# also defined, but not for general use are
#  SPACENAV_LIBRARY, where to find the Spacenav library.

#=============================================================================
# Copyright 2011 Blender Foundation.
#
# Distributed under the OSI-approved BSD License (the "License");
# see accompanying file Copyright.txt for details.
#
# This software is distributed WITHOUT ANY WARRANTY; without even the
# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# See the License for more information.
#=============================================================================

# If SPACENAV_ROOT_DIR was defined in the environment, use it.
IF(NOT SPACENAV_ROOT_DIR AND NOT $ENV{SPACENAV_ROOT_DIR} STREQUAL "")
  SET(SPACENAV_ROOT_DIR $ENV{SPACENAV_ROOT_DIR})
ENDIF()

SET(_spacenav_SEARCH_DIRS
  ${SPACENAV_ROOT_DIR}
  /usr/local
  /sw # Fink
  /opt/local # DarwinPorts
  /opt/csw # Blastwave
)

FIND_PATH(SPACENAV_INCLUDE_DIR
  NAMES
    spnav.h
  HINTS
    ${_spacenav_SEARCH_DIRS}
  PATH_SUFFIXES
    include
)

FIND_LIBRARY(SPACENAV_LIBRARY
  NAMES
    spnav
  HINTS
    ${_spacenav_SEARCH_DIRS}
  PATH_SUFFIXES
    lib64 lib
  )

# handle the QUIETLY and REQUIRED arguments and set SPACENAV_FOUND to TRUE if 
# all listed variables are TRUE
INCLUDE(FindPackageHandleStandardArgs)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(Spacenav DEFAULT_MSG
    SPACENAV_LIBRARY SPACENAV_INCLUDE_DIR)

IF(SPACENAV_FOUND)
  SET(SPACENAV_LIBRARIES ${SPACENAV_LIBRARY})
  SET(SPACENAV_INCLUDE_DIRS ${SPACENAV_INCLUDE_DIR})
ENDIF(SPACENAV_FOUND)

MARK_AS_ADVANCED(
  SPACENAV_INCLUDE_DIR
  SPACENAV_LIBRARY
)