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# Though Producer isn't directly part of OpenSceneGraph, its primary user
# is OSG so I consider this part of the Findosg* suite used to find 
# OpenSceneGraph components. You'll notice that I accept OSGDIR as an
# environment path.
# 
# Each component is separate and you must opt in to each module. You must 
# also opt into OpenGL (and OpenThreads?) as these 
# modules won't do it for you. This is to allow you control over your own 
# system piece by piece in case you need to opt out of certain components
# or change the Find behavior for a particular module (perhaps because the
# default FindOpenGL.cmake module doesn't work with your system as an
# example).
# If you want to use a more convenient module that includes everything,
# use the FindOpenSceneGraph.cmake instead of the Findosg*.cmake modules.
# 
# Locate Producer
# This module defines
# PRODUCER_LIBRARY
# PRODUCER_FOUND, if false, do not try to link to Producer
# PRODUCER_INCLUDE_DIR, where to find the headers
#
# $PRODUCER_DIR is an environment variable that would
# correspond to the ./configure --prefix=$PRODUCER_DIR
# used in building osg.
#
# Created by Eric Wing.

# Header files are presumed to be included like
# #include <Producer/CameraGroup>

# Try the user's environment request before anything else.
FIND_PATH(PRODUCER_INCLUDE_DIR Producer/CameraGroup
  PATHS
  $ENV{PRODUCER_DIR}
  $ENV{OSG_DIR}
  $ENV{OSGDIR}
  NO_DEFAULT_PATH
  PATH_SUFFIXES include
)
FIND_PATH(PRODUCER_INCLUDE_DIR Producer/CameraGroup
  PATHS ${CMAKE_PREFIX_PATH} # Unofficial: We are proposing this.
  NO_DEFAULT_PATH
  PATH_SUFFIXES include
)
FIND_PATH(PRODUCER_INCLUDE_DIR Producer/CameraGroup
  PATHS
    ~/Library/Frameworks
    /Library/Frameworks
    /usr/local/include
    /usr/include
    /sw/include # Fink
    /opt/local/include # DarwinPorts
    /opt/csw/include # Blastwave
    /opt/include
    [HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Control\\Session\ Manager\\Environment;OpenThreads_ROOT]/include
    [HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Control\\Session\ Manager\\Environment;OSG_ROOT]/include
)

FIND_LIBRARY(PRODUCER_LIBRARY 
  NAMES Producer
  PATHS
  $ENV{PRODUCER_DIR}
  $ENV{OSG_DIR}
  $ENV{OSGDIR}
  NO_DEFAULT_PATH
    PATH_SUFFIXES lib64 lib
)
FIND_LIBRARY(PRODUCER_LIBRARY 
  NAMES Producer
  PATHS ${CMAKE_PREFIX_PATH} # Unofficial: We are proposing this.
    NO_DEFAULT_PATH
    PATH_SUFFIXES lib64 lib
)
FIND_LIBRARY(PRODUCER_LIBRARY 
  NAMES Producer
  PATHS
  /usr/local
  /usr
  /sw
  /opt/local
  /opt/csw
  /opt
    PATH_SUFFIXES lib64 lib
)

SET(PRODUCER_FOUND "NO")
IF(PRODUCER_LIBRARY AND PRODUCER_INCLUDE_DIR)
  SET(PRODUCER_FOUND "YES")
ENDIF(PRODUCER_LIBRARY AND PRODUCER_INCLUDE_DIR)