Great guide!
I followed all steps, but was getting a strange error (on M2 pro). Could this be due to a target being built for a different arch?
cmake --build . --target install --config Release
[3/4] Generating ATen sources
[1/7735] Building C object confu-deps/...akeFiles/cpuinfo.dir/src/x86/uarch.c.o
FAILED: confu-deps/cpuinfo/CMakeFiles/cpuinfo.dir/src/x86/uarch.c.o
/usr/local/bin/ccache /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/cc -DCPUINFO_LOG_LEVEL=2 -DCPUINFO_LOG_TO_STDIO=1 -I/Users/myusr/Downloads/pytorch_MPS/pytorch/third_party/cpuinfo/src -I/Users/myusr/Downloads/pytorch_MPS/pytorch/third_party/cpuinfo/include -isystem /Users/myusr/Downloads/pytorch_MPS/pytorch/third_party/protobuf/src -O3 -DNDEBUG -std=c99 -arch x86_64 -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX14.2.sdk -fPIC -MD -MT confu-deps/cpuinfo/CMakeFiles/cpuinfo.dir/src/x86/uarch.c.o -MF confu-deps/cpuinfo/CMakeFiles/cpuinfo.dir/src/x86/uarch.c.o.d -o confu-deps/cpuinfo/CMakeFiles/cpuinfo.dir/src/x86/uarch.c.o -c /Users/myusr/Downloads/pytorch_MPS/pytorch/third_party/cpuinfo/src/x86/uarch.c
sccache: error: failed to execute compile
sccache: caused by: Compiler not supported: "error: Found argument \'-E\' which wasn\'t expected, or isn\'t valid in this context\n\n\tIf you tried to supply -E as a value rather than a flag, use -- -E\n\nUSAGE:\n ccache [OPTIONS] <--dist-auth|--dist-status|--show-stats|--start-server|--stop-server|--zero-stats|--package-toolchain |CMD> [--]\n\nFor more information try --help\n"