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support MI_OPT_ARCH when targeting multiple CMAKE_OSX_ARCHITECTURES

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Jo Bates 2025-02-01 17:04:46 -08:00
parent 90b7a694eb
commit eb0081382b
1 changed files with 3 additions and 1 deletions
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4
CMakeLists.txt
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@ -425,7 +425,9 @@ endif()
if(CMAKE_C_COMPILER_ID MATCHES "AppleClang|Clang|GNU|Intel" AND NOT CMAKE_SYSTEM_NAME MATCHES "Haiku")
if(MI_OPT_ARCH)
if(MI_ARCH STREQUAL "arm64")
if(APPLE AND "arm64" IN_LIST CMAKE_OSX_ARCHITECTURES)
set(MI_OPT_ARCH_FLAGS "-Xarch_arm64" "-march=armv8.1-a")
elseif(MI_ARCH STREQUAL "arm64")
set(MI_OPT_ARCH_FLAGS "-march=armv8.1-a") # fast atomics
endif()
endif()