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[oxalica-toolchain-only] remove obsolete comment on toolchains

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Alex Auvolat 2024-02-08 23:23:27 +01:00
parent 57024a2129
commit 8724aabdf5
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1 changed files with 0 additions and 11 deletions
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nix/compile.nix
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@ -19,17 +19,6 @@ let
overlays = [ cargo2nixOverlay ]; 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 = { toolchainOptions = {
rustVersion = "1.73.0"; rustVersion = "1.73.0";
extraRustComponents = [ "clippy" ]; extraRustComponents = [ "clippy" ];