cmake CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT examples

apache/trafficserver lib/swoc/CMakeLists.txt :15 

cmake_dependent_option(
  LIBSWOC_INSTALL "Enable generation of libswoc install targets" ON "NOT CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT"
  OFF
)

BioMedIA/MIRTK CMake/Basis/ProjectTools.cmake :2419 

if (CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)