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# FindOpenSceneGraph

Find OpenSceneGraph

This module searches for the OpenSceneGraph core “osg” library as well as OpenThreads, and whatever additional COMPONENTS (nodekits) that you specify.

    See http://www.openscenegraph.org

NOTE: To use this module effectively you must either require CMake >= 2.6.3 with cmake_minimum_required(VERSION 2.6.3) or download and place FindOpenThreads.cmake, Findosg_functions.cmake, Findosg.cmake, and Find<etc>.cmake files into your CMAKE_MODULE_PATH.

This module accepts the following variables (note mixed case)

    OpenSceneGraph_DEBUG - Enable debugging output

    OpenSceneGraph_MARK_AS_ADVANCED - Mark cache variables as advanced
                                      automatically

The following environment variables are also respected for finding the OSG and it’s various components. CMAKE_PREFIX_PATH can also be used for this (see find_library() CMake documentation).

`<MODULE>_DIR`
  (where MODULE is of the form “OSGVOLUME” and there is a FindosgVolume.cmake file)
`OSG_DIR`
`OSGDIR`
`OSG_ROOT`

[CMake 2.8.10]: The CMake variable OSG_DIR can now be used as well to influence detection, instead of needing to specify an environment variable.

This module defines the following output variables:

    OPENSCENEGRAPH_FOUND - Was the OSG and all of the specified components found?

    OPENSCENEGRAPH_VERSION - The version of the OSG which was found

    OPENSCENEGRAPH_INCLUDE_DIRS - Where to find the headers

    OPENSCENEGRAPH_LIBRARIES - The OSG libraries

================================== Example Usage:

    find_package(OpenSceneGraph 2.0.0 REQUIRED osgDB osgUtil)
        # libOpenThreads & libosg automatically searched
    include_directories(${OPENSCENEGRAPH_INCLUDE_DIRS})

    add_executable(foo foo.cc)
    target_link_libraries(foo ${OPENSCENEGRAPH_LIBRARIES})

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