include(CMakePackageConfigHelpers)
include(GNUInstallDirs)

write_basic_package_version_file("${PROJECT_NAME}ConfigVersion.cmake"
  VERSION ${PACKAGE_VERSION}
  COMPATIBILITY SameMajorVersion)

configure_file("${PROJECT_NAME}Config.cmake.in"
  "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}Config.cmake" @ONLY)

install(EXPORT ${PROJECT_NAME}Targets
  FILE "${PROJECT_NAME}Targets.cmake"
  NAMESPACE "${PROJECT_NAME}::"
  DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}")

install(FILES
  "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}Config.cmake"
  "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake"
  DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}")