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Use only oxalica/rust-overlay toolchain and not nixpkgs #710

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lx merged 3 commits from oxalica-toolchain-only into main 2024-02-08 22:29:26 +00:00
Conversation 0 Commits 3 Files changed 2 +2 -43
2 changed files with 2 additions and 43 deletions
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23
nix/compile.nix
View file

@ -19,30 +19,9 @@ let
overlays = [ cargo2nixOverlay ];
};
/* Cargo2nix is built for rustOverlay which installs Rust from Mozilla releases.
This is fine for 64-bit platforms, but for 32-bit platforms, we need our own Rust
to avoid incompatibilities with time_t between different versions of musl
(>= 1.2.0 shipped by NixOS, < 1.2.0 with which rustc was built), which lead to compilation breakage.
So we want a Rust release that is bound to our Nix repository to avoid these problems.
See here for more info: https://musl.libc.org/time64.html
Because Cargo2nix does not support the Rust environment shipped by NixOS,
we emulate the structure of the Rust object created by rustOverlay.
In practise, rustOverlay ships rustc+cargo in a single derivation while
NixOS ships them in separate ones. We reunite them with symlinkJoin.
*/
toolchainOptions = if target == null || target == "x86_64-unknown-linux-musl"
|| target == "aarch64-unknown-linux-musl" then {
toolchainOptions = {
rustVersion = "1.73.0";
extraRustComponents = [ "clippy" ];
} else {
rustToolchain = pkgs.symlinkJoin {
name = "rust-static-toolchain-${target}";
paths = [
pkgs.rustPlatform.rust.cargo
pkgs.rustPlatform.rust.rustc
# clippy not needed, it only runs on amd64
];
};
};
buildEnv = (drv:

22
nix/toolchain.nix
View file

@ -3,29 +3,9 @@
with import ./common.nix;
let
platforms = [
#"x86_64-unknown-linux-musl"
"i686-unknown-linux-musl"
#"aarch64-unknown-linux-musl"
"armv6l-unknown-linux-musleabihf"
];
pkgsList = builtins.map (target:
import pkgsSrc {
inherit system;
crossSystem = {
config = target;
isStatic = true;
};
overlays = [ cargo2nixOverlay ];
}) platforms;
pkgsHost = import pkgsSrc { };
lib = pkgsHost.lib;
kaniko = (import ./kaniko.nix) pkgsHost;
winscp = (import ./winscp.nix) pkgsHost;
manifestTool = (import ./manifest-tool.nix) pkgsHost;
in lib.flatten (builtins.map (pkgs: [
pkgs.rustPlatform.rust.rustc
pkgs.rustPlatform.rust.cargo
pkgs.buildPackages.stdenv.cc
]) pkgsList) ++ [ kaniko winscp manifestTool ]
in [ kaniko winscp manifestTool ]