Installing the binaries

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git clone --single-branch https://github.com/macports/macports-ports.git
cd macports-ports
git checkout 461781b947cdc9f942d2e963e8d25e58cc7b93ca

cd science/hdf5-18
sudo port install

Notes on different hardware and software

Works on a late 2017 MacBook Pro with macOS Catalina (10.15.2) and Xcode 11.3.1

Works on a late 2013 Mac Pro with OS X El Capitan (10.11.4) and Xcode 7.3.

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Works on 2014 MacBook Pro with OS X Mavericks (10.9) and stock Xcode.

Works on a late 2013 Macbook MacBook Air, OS X version 10.8.4 with command-line tools installed for Xcode.

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