Hi Everyone, my name is Shuqi Xu, currently working as a postdoc for the HighNESS project at European Spallation Source in Swedn. I tried to install OpenMC from source in my MacBook (MacOS Monterey 12.6.1, Apple M1 Pro chip) by following the commands indicated in the website: Quick Install Guide — …

Hi @xushuqi and welcome to the community! I know that some others have had issues installing on Apple M1 as well; I’ll ping a few people who may be able to give some pointers here.

The line building for macOS-x86_64 but attempting to link with file built for macOS-arm64 seems to indicate that your compiler is attempting to generate an x86 binary rather than a native arm64 for the M1, and is running into trouble because your HDF5 install is in arm64. You might try running clang…

Hi everyone, I am also new to OpenMC, and am having similar issues with the installation process. I have a MacBook Pro (Apple M1 Max chip), and on macOS Ventura 13.1. The error occurs on the last step of the Quick Install Guide at pip install. [image] When I do pip install . The following erro…

@soha By default when you run pip install, it will look at the build requirements in pyproject.toml and create an isolated environment where they are installed first (this is discussed at length in PEP 517 ). This means it will ignore the version of numpy that’s already installed. You can run pip ins…

Thanks for your response. It solved the previous error, and this is the newest one about h5py: ERROR: Could not build wheels for h5py, which is required to install pyproject.toml-based projects [image]

@soha You may want to try the suggestions from this stack overflow thread about setting HDF5_DIR. Hopefully that will get you a little further along!

OpenMC installtion Mac Apple M1 chip

User Support

xushuqi November 24, 2022, 8:43am 4

Hi @paulromano and @jtramm,

thank you very much for your replies! Yes the problem was due to the complier. I reinstall it in arm64 and the issue was resolved.

Best regards,
Shuqi

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OpenMC installtion Mac Apple M1 chip

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