cmake DBOOST_COMPUTE_HAVE_HDR_CL_EXT examples

fabsig/GPBoost external_libs/compute/CMakeLists.txt :68 

add_definitions(-DBOOST_COMPUTE_HAVE_HDR_CL_EXT)

Jackarain/proxy third_party/boost/libs/compute/CMakeLists.txt :118 

add_definitions(-DBOOST_COMPUTE_HAVE_HDR_CL_EXT)