cmake find_package(Subversion) examples

InsightSoftwareConsortium/ITK Modules/ThirdParty/VNL/src/vxl/config/cmake/doxygen/doxygen.cmake :134 

find_package(Subversion QUIET)

InsightSoftwareConsortium/ITK Modules/ThirdParty/VNL/src/vxl/config/cmake/doxygen/doxygen_makeall.cmake :151 

find_package(Subversion QUIET)