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CMake: Apple Silicon detection

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CMake's CMAKE_SYSTEM_PROCESSOR call returns "arm64" on Apple Silicon. This patch makes sure that arm64 and aarch64 are treated as the same architecture.
This commit is contained in:
C.W. Betts 2020-12-23 00:26:53 -07:00
parent 1d489b3fd5
commit 1100a31407
1 changed files with 1 additions and 1 deletions
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2
CMakeLists.txt
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@ -206,7 +206,7 @@ elseif(_ARCH_64 AND CMAKE_SYSTEM_PROCESSOR MATCHES "x86_64|amd64|AMD64")
add_definitions(-D_M_X86=1)
add_definitions(-D_M_X86_64=1)
check_and_add_flag(HAVE_SSE2 -msse2)
elseif(CMAKE_SYSTEM_PROCESSOR STREQUAL "aarch64")
elseif(_ARCH_64 AND CMAKE_SYSTEM_PROCESSOR MATCHES "aarch64|arm64")
set(_M_ARM_64 1)
add_definitions(-D_M_ARM_64=1)
# CRC instruction set is used in the CRC32 hash function