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Nix's own flake: Dedup and memoize more

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- `nixpkgsFor` does all of native, static, cross, and the different stdenvs.

- The main Nix derivation is no longer duplicated for static.

- DRY nixpkgs.lib and lib.genAttrs calls.
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John Ericson 2022-03-02 02:40:18 +00:00 • committed by zimbatm
parent 9a3f66d9d9
commit d7a4f08d42
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6
doc/manual/src/contributing/hacking.md
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@ -30,7 +30,7 @@ This shell also adds `./outputs/bin/nix` to your `$PATH` so you can run `nix` im
To get a shell with one of the other [supported compilation environments](#compilation-environments):
```console
$ nix develop .#clang11Stdenv
$ nix develop .#native-clang11StdenvPackages
```
> **Note**
@ -77,12 +77,12 @@ $ nix-shell
To get a shell with one of the other [supported compilation environments](#compilation-environments):
```console
$ nix-shell -A devShells.x86_64-linux.clang11Stdenv
$ nix-shell -A devShells.x86_64-linux.native-clang11StdenvPackages
```
> **Note**
>
> You can use `ccacheStdenv` to drastically improve rebuild time.
> You can use `native-ccacheStdenvPackages` to drastically improve rebuild time.
> By default, [ccache](https://ccache.dev) keeps artifacts in `~/.cache/ccache/`.
To build Nix itself in this shell: