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Fix CMakeLists.txt for Apple Silicon (#7883)

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Summary:
`CMAKE_SYSTEM_PROCESSOR` defaults to `arm64` on Apple Silicon starting with CMake 3.19.2; see https://cmake.org/cmake/help/latest/variable/CMAKE_HOST_SYSTEM_PROCESSOR.html#macos-platforms

Pull Request resolved: https://github.com/facebook/rocksdb/pull/7883

Reviewed By: ajkr

Differential Revision: D25967902

Pulled By: jay-zhuang

fbshipit-source-id: 771bcb5fe845cf5f545c226691c0c41648186de4
This commit is contained in:
Seeker 2021-01-20 10:48:04 -08:00 committed by Facebook GitHub Bot
parent e44948295e
commit cdd8b09b9b
1 changed files with 2 additions and 2 deletions
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4
CMakeLists.txt
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@ -243,14 +243,14 @@ if(CMAKE_SYSTEM_PROCESSOR MATCHES "^(powerpc|ppc)64")
endif(HAS_ALTIVEC)
endif(CMAKE_SYSTEM_PROCESSOR MATCHES "^(powerpc|ppc)64")
if(CMAKE_SYSTEM_PROCESSOR MATCHES "aarch64|AARCH64")
if(CMAKE_SYSTEM_PROCESSOR MATCHES "arm64|aarch64|AARCH64")
CHECK_C_COMPILER_FLAG("-march=armv8-a+crc+crypto" HAS_ARMV8_CRC)
if(HAS_ARMV8_CRC)
message(STATUS " HAS_ARMV8_CRC yes")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -march=armv8-a+crc+crypto -Wno-unused-function")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=armv8-a+crc+crypto -Wno-unused-function")
endif(HAS_ARMV8_CRC)
endif(CMAKE_SYSTEM_PROCESSOR MATCHES "aarch64|AARCH64")
endif(CMAKE_SYSTEM_PROCESSOR MATCHES "arm64|aarch64|AARCH64")
option(PORTABLE "build a portable binary" OFF)
option(FORCE_SSE42 "force building with SSE4.2, even when PORTABLE=ON" OFF)