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Add hwloc build requirement to README.
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porcuquine committed Oct 8, 2020
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Expand Up @@ -54,7 +54,10 @@ The instructions below assume you have independently installed `rust-fil-proofs`

**NOTE:** `rust-fil-proofs` can only be built for and run on 64-bit platforms; building will panic if the target architecture is not 64-bits.

Before building you will need OpenCL to be installed, on Ubuntu this can be achieved with `apt install ocl-icd-opencl-dev`. Other system dependencies such as 'gcc/clang', 'wall' and 'cmake' are also required.
Before building you will need OpenCL to be installed. On Ubuntu, this can be achieved with `apt install ocl-icd-opencl-dev`. Other system dependencies such as 'gcc/clang', 'wall' and 'cmake' are also required.

You will also need to install the hwloc library. On Ubuntu, this can be achieved with `apt install hwloc libhwloc-dev`. For other platforms, please see the [hwloc-rs Prerequisites section](https://github.com/daschl/hwloc-rs).


```
> cargo build --release --all
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