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CMake: add support for SSE4.2

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Summary: Closes https://github.com/facebook/rocksdb/pull/2159

Differential Revision: D4894483

Pulled By: yiwu-arbug

fbshipit-source-id: 607e17e8ef5d30dce02c27be9d1de7d9f823b4ae
This commit is contained in:
Tamir Duberstein 2017-04-16 11:41:12 -07:00 committed by Facebook Github Bot
parent 7d5f5aa977
commit bc3973259c
1 changed files with 6 additions and 1 deletions
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5
CMakeLists.txt
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@ -115,6 +115,11 @@ if(WIN32)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mavx2")
endif()
endif()
else()
option(WITH_SSE42 "build with SSE4.2" ON)
if(WITH_SSE42)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -msse4.2")
endif()
endif()
set(BUILD_VERSION_CC ${CMAKE_BINARY_DIR}/build_version.cc)