cmake nanoflann examples

alicevision/AliceVision src/CMakeLists.txt :330 

find_package(nanoflann REQUIRED)

StephLin/KCP CMakeLists.txt :27 

find_package(nanoflann REQUIRED QUIET)

yaoyx689/Fast-Robust-ICP CMakeLists.txt :21 

find_package(NanoFlann REQUIRED)

MRPT/mrpt cmakemodules/script_nanoflann.cmake :9 

find_package(nanoflann CONFIG QUIET)