# - Try to find UUID
# Once done this will define
#
# UUID_FOUND - system has UUID
# UUID_INCLUDE_DIRS - the UUID include directory
# UUID_LIBRARIES - Link these to use UUID
# UUID_DEFINITIONS - Compiler switches required for using UUID
#
# Copyright (c) 2006 Andreas Schneider <mail@cynapses.org>
#
# Redistribution and use is allowed according to the terms of the New
# BSD license.
# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
#


if (UUID_LIBRARIES AND UUID_INCLUDE_DIRS)
	# in cache already
	set(UUID_FOUND TRUE)
else (UUID_LIBRARIES AND UUID_INCLUDE_DIRS)
	find_path(UUID_INCLUDE_DIR
		NAMES
			uuid.h
		PATH_SUFFIXES
			uuid
		HINTS
			${UUID_DIR}/include
			$ENV{UUID_DIR}/include
			$ENV{UUID_DIR}
			${DELTA3D_EXT_DIR}/inc
			$ENV{DELTA_ROOT}/ext/inc
			$ENV{DELTA_ROOT}
		PATHS
			~/Library/Frameworks
			/Library/Frameworks
			/usr/local/include
			/usr/include
			/usr/include/gdal
			/sw/include # Fink
			/opt/csw/include # Blastwave
			/opt/include
			[HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Control\\Session\ Manager\\Environment;OSG_ROOT]/include
			/usr/freeware/include
	)

	find_library(UUID_LIBRARY
		NAMES
			uuid ossp-uuid
		HINTS
			${UUID_DIR}/lib
			$ENV{UUID_DIR}/lib
			$ENV{UUID_DIR}
			${DELTA3D_EXT_DIR}/lib
			$ENV{DELTA_ROOT}/ext/lib
			$ENV{DELTA_ROOT}
			$ENV{OSG_ROOT}/lib
		PATHS
			~/Library/Frameworks
			/Library/Frameworks
			/usr/local/lib
			/usr/lib
			/sw/lib
			/opt/csw/lib
			/opt/lib
			/usr/freeware/lib64
	)

	find_library(UUID_LIBRARY_DEBUG
		NAMES
			uuidd 
		HINTS
			${UUID_DIR}/lib
			$ENV{UUID_DIR}/lib
			$ENV{UUID_DIR}
			${DELTA3D_EXT_DIR}/lib
			$ENV{DELTA_ROOT}/ext/lib
			$ENV{DELTA_ROOT}
			$ENV{OSG_ROOT}/lib
		PATHS
			~/Library/Frameworks
			/Library/Frameworks
			/usr/local/lib
			/usr/lib
			/sw/lib
			/opt/csw/lib
			/opt/lib
			/usr/freeware/lib64
	)
	
	if (NOT UUID_LIBRARY AND BSD)
		set(UUID_LIBRARY "")
	endif(NOT UUID_LIBRARY AND BSD)

	set(UUID_INCLUDE_DIRS ${UUID_INCLUDE_DIR})
	set(UUID_LIBRARIES ${UUID_LIBRARY})

	if (UUID_INCLUDE_DIRS)
		if (BSD OR UUID_LIBRARIES)
			set(UUID_FOUND TRUE)
		endif (BSD OR UUID_LIBRARIES)
	endif (UUID_INCLUDE_DIRS)

	if (UUID_FOUND)
		if (NOT UUID_FIND_QUIETLY)
			message(STATUS "Found UUID: ${UUID_LIBRARIES}")
		endif (NOT UUID_FIND_QUIETLY)
	else (UUID_FOUND)
		if (UUID_FIND_REQUIRED)
			message(FATAL_ERROR "Could not find UUID")
		endif (UUID_FIND_REQUIRED)
	endif (UUID_FOUND)

	# show the UUID_INCLUDE_DIRS and UUID_LIBRARIES variables only in the advanced view
	mark_as_advanced(UUID_INCLUDE_DIRS UUID_LIBRARIES)

endif (UUID_LIBRARIES AND UUID_INCLUDE_DIRS)