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if(DRACO_CMAKE_DRACO_CPU_DETECTION_CMAKE_)
return()
endif() # DRACO_CMAKE_DRACO_CPU_DETECTION_CMAKE_
set(DRACO_CMAKE_DRACO_CPU_DETECTION_CMAKE_ 1)
# Detect optimizations available for the current target CPU.
macro(draco_optimization_detect)
if(DRACO_ENABLE_OPTIMIZATIONS)
string(TOLOWER "${CMAKE_SYSTEM_PROCESSOR}" cpu_lowercase)
if(cpu_lowercase MATCHES "^arm|^aarch64")
set(draco_have_neon ON)
elseif(cpu_lowercase MATCHES "^x86|amd64")
set(draco_have_sse4 ON)
endif()
endif()
if(draco_have_neon AND DRACO_ENABLE_NEON)
list(APPEND draco_defines "DRACO_ENABLE_NEON=1")
else()
list(APPEND draco_defines "DRACO_ENABLE_NEON=0")
endif()
if(draco_have_sse4 AND DRACO_ENABLE_SSE4_1)
list(APPEND draco_defines "DRACO_ENABLE_SSE4_1=1")
else()
list(APPEND draco_defines "DRACO_ENABLE_SSE4_1=0")
endif()
endmacro()
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