cmake find_package(OpenThreads) examples

openscenegraph/OpenSceneGraph examples/osgCMakeExample/CMakeLists.txt :7 

FIND_PACKAGE(OpenThreads)

gwaldron/osgearth CMakeLists.txt :152 

find_package(OpenSceneGraph REQUIRED COMPONENTS osgManipulator osgShadow osgSim osgViewer osgGA osgUtil osgText osgDB osg OpenThreads)

kbale/osgocean CMakeLists.txt :47 

find_package (OpenThreads REQUIRED)