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Update cmake to detect and throw warnings if not on a arm system (#81)

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* Update cmake to detect and throw warnings if not on a arm system
This commit is contained in:
Jagrit Digani 2023-12-08 11:03:25 -08:00 committed by GitHub
parent 209404239b
commit e89c571de7
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 23 additions and 2 deletions
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25
CMakeLists.txt
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@ -21,6 +21,27 @@ if(NOT MLX_VERSION)
set(MLX_VERSION 0.0.3) set(MLX_VERSION 0.0.3)
endif() endif()
# --------------------- Processor tests -------------------------
message(STATUS "Building MLX for ${CMAKE_HOST_SYSTEM_PROCESSOR} processor on ${CMAKE_SYSTEM_NAME}")
set(MLX_BUILD_ARM OFF)
if (${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
if (${CMAKE_HOST_SYSTEM_PROCESSOR} MATCHES "x86_64")
message(WARNING
"Building for x86_64 on MacOS is not supported."
" If you are on an Apple silicon system, "
" make sure you are building for arm64.")
elseif(${CMAKE_HOST_SYSTEM_PROCESSOR} MATCHES "arm64")
set(MLX_BUILD_ARM ON)
endif()
else()
message(WARNING "MLX is prioritised for Apple Silicon systems using MacOS.")
endif()
# ----------------------------- Lib ----------------------------- # ----------------------------- Lib -----------------------------
include(FetchContent) include(FetchContent)
@ -78,13 +99,13 @@ elseif (MLX_BUILD_METAL)
endif() endif()
find_library(ACCELERATE_LIBRARY Accelerate) find_library(ACCELERATE_LIBRARY Accelerate)
if (ACCELERATE_LIBRARY) if (MLX_BUILD_ARM AND ACCELERATE_LIBRARY)
message(STATUS "Accelerate found ${ACCELERATE_LIBRARY}") message(STATUS "Accelerate found ${ACCELERATE_LIBRARY}")
set(MLX_BUILD_ACCELERATE ON) set(MLX_BUILD_ACCELERATE ON)
target_link_libraries(mlx ${ACCELERATE_LIBRARY}) target_link_libraries(mlx ${ACCELERATE_LIBRARY})
add_compile_definitions(ACCELERATE_NEW_LAPACK) add_compile_definitions(ACCELERATE_NEW_LAPACK)
else() else()
message(STATUS "Accelerate not found, using default backend.") message(STATUS "Accelerate or arm neon not found, using default backend.")
set(MLX_BUILD_ACCELERATE OFF) set(MLX_BUILD_ACCELERATE OFF)
#set(BLA_VENDOR Generic) #set(BLA_VENDOR Generic)
find_package(BLAS REQUIRED) find_package(BLAS REQUIRED)