cmake HAVE_LIBKERN_OSATOMIC_H examples

alibaba/AliSQL storage/tokudb/ft-index/cmake_modules/TokuFeatureDetection.cmake :21 

check_include_files(libkern/OSAtomic.h HAVE_LIBKERN_OSATOMIC_H)

percona/PerconaFT cmake_modules/TokuFeatureDetection.cmake :22 

check_include_files(libkern/OSAtomic.h HAVE_LIBKERN_OSATOMIC_H)

oscarlab/betrfs cmake_modules/TokuFeatureDetection.cmake :26 

check_include_files(libkern/OSAtomic.h HAVE_LIBKERN_OSATOMIC_H)