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Remove clang11Stdenv

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Clang 11 doesn't have support for three-way-comparisons (<=>, "spaceship
operator", "consistent comparisons") and is older than `clangStdenv`.

`clangStdenv` is currently 12 on FreeBSD and Android and 16 on other
platforms:

32e718f00c/pkgs/top-level/all-packages.nix (L16629-L16644)

Let's start by removing Clang 11 from our distribution. Next we can
consider upgrading to Clang 17, which fully supports the spaceship
operator:

https://releases.llvm.org/17.0.1/tools/clang/docs/ReleaseNotes.html#what-s-new-in-clang-release
This commit is contained in:
Rebecca Turner 2024-01-04 11:31:09 -08:00
parent 1ed245a606
commit d8a2b06e20
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4
doc/manual/src/contributing/hacking.md
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@ -31,7 +31,7 @@ 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 .#native-clang11StdenvPackages
$ nix develop .#native-clangStdenvPackages
```
> **Note**
@ -96,7 +96,7 @@ $ nix-shell
To get a shell with one of the other [supported compilation environments](#compilation-environments):
```console
$ nix-shell --attr devShells.x86_64-linux.native-clang11StdenvPackages
$ nix-shell --attr devShells.x86_64-linux.native-clangStdenvPackages
```
> **Note**

1
flake.nix
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@ -52,7 +52,6 @@
stdenvs = [
"ccacheStdenv"
"clang11Stdenv"
"clangStdenv"
"gccStdenv"
"libcxxStdenv"