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Clarify setting preferred compiler. #90

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Dec 26, 2024
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Clarify setting preferred compiler. #90

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9 changes: 6 additions & 3 deletions docs/GettingStarted/install.md
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Expand Up @@ -21,13 +21,16 @@ SELF comes with a spack environment file that defines the dependencies that are
git clone https://github.com/fluidnumerics/SELF/ ~/SELF/
```

If you have a preferred compiler you would like for spack to use, you can use `spack config add`, e.g.
**If you have a preferred compiler** you would like for spack to use, you can use `spack config add`, e.g.

```
spack -e ~/SELF/share/spack-env config add packages:all:require:['%[email protected]']
spack -e ~/SELF/share/spack-env config add packages:all:require:["'%[email protected]'"]
```

The example above will force packages to be built with version 12.2.0 of gfortran from the `gcc` compiler set.
The example above will force packages to be built with version 12.2.0 of gfortran from the `gcc` compiler set.

!!! note
If you do not set a preferred compiler, spack will pick one based on the available compilers found using `spack compiler find`

To reduce build time, import existing packages on your system
```
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