How to build a librwkv.dylib file with "arm64" on Mac M1

[realcarlos]

❯ cmake . -DRWKV_CUBLAS=ON
-- Accelerate framework found
-- Could not find nvcc, please set CUDAToolkit_ROOT.
CMake Warning at CMakeLists.txt:125 (message):
cuBLAS not found

-- CMAKE_SYSTEM_PROCESSOR: arm64
-- ARM detected
-- Configuring done (0.2s)
-- Generating done (0.0s)
-- Build files have been written to: /Users/xxx/rwkv.cpp
❯ cmake --build . --config Release
[ 7%] Built target ggml
[ 23%] Built target rwkv
[ 38%] Built target test_ggml_basics
[ 53%] Built target test_tiny_rwkv
[ 69%] Built target test_context_cloning
[ 84%] Built target rwkv_cpu_info
[100%] Built target rwkv_quantize
❯ lipo -info librwkv.dylib
Non-fat file: librwkv.dylib is architecture: x86_64

[schamane]

@realcarlos check your toolset and terminal settings. Maybe you running inside rosetta?

cmake ..
-- The C compiler identification is AppleClang 14.0.3.14030022
-- The CXX compiler identification is AppleClang 14.0.3.14030022
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working C compiler: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/cc - skipped
-- Detecting C compile features
-- Detecting C compile features - done
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Check for working CXX compiler: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/c++ - skipped
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- Performing Test CMAKE_HAVE_LIBC_PTHREAD
-- Performing Test CMAKE_HAVE_LIBC_PTHREAD - Success
-- Found Threads: TRUE
-- Accelerate framework found
-- CMAKE_SYSTEM_PROCESSOR: arm64
-- ARM detected
-- Configuring done (0.5s)

cmake --build . --config Release
lipo -info librwkv.dylib
Non-fat file: librwkv.dylib is architecture: arm64

[realcarlos]

@realcarlos check your toolset and terminal settings. Maybe you running inside rosetta?

cmake ..
-- The C compiler identification is AppleClang 14.0.3.14030022
-- The CXX compiler identification is AppleClang 14.0.3.14030022
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working C compiler: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/cc - skipped
-- Detecting C compile features
-- Detecting C compile features - done
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Check for working CXX compiler: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/c++ - skipped
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- Performing Test CMAKE_HAVE_LIBC_PTHREAD
-- Performing Test CMAKE_HAVE_LIBC_PTHREAD - Success
-- Found Threads: TRUE
-- Accelerate framework found
-- CMAKE_SYSTEM_PROCESSOR: arm64
-- ARM detected
-- Configuring done (0.5s)

cmake --build . --config Release
lipo -info librwkv.dylib
Non-fat file: librwkv.dylib is architecture: arm64

Thank you @schamane , so cool , now I could get the arm64 one .