wpleonardo commented on code in PR #1375:
URL: https://github.com/apache/orc/pull/1375#discussion_r1107113229
##########
CMakeLists.txt:
##########
@@ -157,6 +172,102 @@ elseif (MSVC)
set (WARN_FLAGS "${WARN_FLAGS} -wd4146") # unary minus operator applied to
unsigned type, result still unsigned
endif ()
+include(CheckCXXCompilerFlag)
+include(CheckCXXSourceCompiles)
+message(STATUS "System processor: ${CMAKE_SYSTEM_PROCESSOR}")
+
+if(NOT DEFINED ORC_CPU_FLAG)
+ if(CMAKE_SYSTEM_PROCESSOR MATCHES "AMD64|X86|x86|i[3456]86|x64")
+ set(ORC_CPU_FLAG "x86")
+ elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "aarch64|ARM64|arm64")
+ set(ORC_CPU_FLAG "aarch64")
+ elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^arm$|armv[4-7]")
+ set(ORC_CPU_FLAG "aarch32")
+ else()
+ message(FATAL_ERROR "Unknown system processor")
Review Comment:
Created a new cmake module "cmake_modules/ConfigSimdLevel.cmake" to config
AVX512.
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