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# Version File Reference

`#include <osg/Export>`

## Defines
#define | OSG_VERSION 1
#define | OSG_VERSION_MAJOR 1
#define | OSG_VERSION_MINOR 0
#define | OSG_VERSION_RELEASE 0
#define | OSG_VERSION_REVISION 0
## Functions
OSG_EXPORT const char * | osgGetVersion ()
| osgGetVersion() returns the library version number.
OSG_EXPORT const char * | osgGetLibraryName ()
| The osgGetLibraryName() method returns the library name in human-friendly form.

## Define Documentation

#define OSG_VERSION 1

#define OSG_VERSION_MAJOR 1

#define OSG_VERSION_MINOR 0

#define OSG_VERSION_RELEASE 0

#define OSG_VERSION_REVISION 0

## Function Documentation

OSG_EXPORT const char* osgGetLibraryName | ( |  | ) |

| The osgGetLibraryName() method returns the library name in human-friendly form.

OSG_EXPORT const char* osgGetVersion | ( |  | ) |

| osgGetVersion() returns the library version number. Numbering convention : OpenSceneGraph-1.0 will return 1.0 from osgGetVersion. This C function can be also used to check for the existence of the OpenSceneGraph library using autoconf and its m4 macro AC_CHECK_LIB. Here is the code to add to your configure.in:
     #
     # Check for the OpenSceneGraph (OSG) library
     #
     AC_CHECK_LIB(osg, osgGetVersion, ,
        [AC_MSG_ERROR(OpenSceneGraph library not found. See http://www.openscenegraph.org)],)