python312Packages.granian: don't force a custom allocator

{

  lib,

  stdenv,

  fetchFromGitHub,

  rustPlatform,

  cacert,

  pytest-asyncio,

  websockets,

  httpx,

  rust-jemalloc-sys,

  sniffio,

  nix-update-script,

}:

    hash = "sha256-qJ65ILj7xLqOWmpn1UzNQHUnzFg714gntVSmYHpI65I=";

  };

  # Granian forces a custom allocator for all the things it runs,

  # which breaks some libraries in funny ways. Make it not do that,

  # and allow the final application to make the allocator decision

  # via LD_PRELOAD or similar.

  patches = [

    ./no-alloc.patch

  ];

  cargoDeps = rustPlatform.fetchCargoVendor {

    inherit pname version src;

    hash = "sha256-swfqKp8AsxNAUc7dlce6J4dNQbNGWrCcUDc31AhuMmI=";

    maturinBuildHook

  ];

  buildInputs = lib.optionals (stdenv.hostPlatform.isAarch64) [

    # fix "Unsupported system page size" on aarch64-linux with 16k pages

    # https://github.com/NixOS/nixpkgs/issues/410572

    # only enabled on aarch64 due to https://github.com/NixOS/nixpkgs/pull/410611#issuecomment-2939564567

    (rust-jemalloc-sys.overrideAttrs (

      { configureFlags, ... }:

      {

        configureFlags = configureFlags ++ [

          # otherwise import check fails with:

          # ImportError: {{storeDir}}/lib/libjemalloc.so.2: cannot allocate memory in static TLS block

          "--disable-initial-exec-tls"

        ];

      }

    ))

  ];

  dependencies = [

    click

  ];

diff --git a/Cargo.toml b/Cargo.toml

index 4e6676f..1657d61 100644

--- a/Cargo.toml

+++ b/Cargo.toml

@@ -40,7 +40,6 @@ hyper = { version = "=1.6", features = ["http1", "http2", "server"] }

 hyper-util = { version = "=0.1", features = ["server-auto", "tokio"] }

 itertools = "0.14"

 log = "0.4"

-mimalloc = { version = "0.1.43", default-features = false, features = ["local_dynamic_tls"], optional = true }

 mime_guess = "=2.0"

 pem = "=3.0"

 percent-encoding = "=2.3"

@@ -56,15 +55,9 @@ tokio-stream = "0.1"

 tokio-tungstenite = "=0.26"

 tokio-util = { version = "0.7", features = ["codec", "rt"] }

-[target.'cfg(not(any(target_env = "musl", target_os = "freebsd", target_os = "openbsd", target_os = "windows")))'.dependencies]

-tikv-jemallocator = { version = "0.6.0", default-features = false, features = ["disable_initial_exec_tls"] }

-

 [build-dependencies]

 pyo3-build-config = "=0.25"

-[features]

-mimalloc = ["dep:mimalloc"]

-

 [profile.release]

 codegen-units = 1

 debug = false

diff --git a/src/lib.rs b/src/lib.rs

index 9172842..6c41005 100644

--- a/src/lib.rs

+++ b/src/lib.rs

@@ -1,17 +1,3 @@

-#[cfg(not(any(

-    target_env = "musl",

-    target_os = "freebsd",

-    target_os = "openbsd",

-    target_os = "windows",

-    feature = "mimalloc"

-)))]

-#[global_allocator]

-static GLOBAL: tikv_jemallocator::Jemalloc = tikv_jemallocator::Jemalloc;

-

-#[cfg(feature = "mimalloc")]

-#[global_allocator]

-static GLOBAL: mimalloc::MiMalloc = mimalloc::MiMalloc;

-

 use pyo3::prelude::*;

 use std::sync::OnceLock;