mpich: apply nixfmt

{ stdenv, lib, fetchurl, perl, gfortran, automake, autoconf

, openssh, hwloc, python3

, darwin

{

  stdenv,

  lib,

  fetchurl,

  perl,

  gfortran,

  automake,

  autoconf,

  openssh,

  hwloc,

  python3,

  darwin,

  # either libfabric or ucx work for ch4backend on linux. On darwin, neither of

  # these libraries currently build so this argument is ignored on Darwin.

, ch4backend

  ch4backend,

  # Process managers to build (`--with-pm`),

  # cf. https://github.com/pmodels/mpich/blob/b80a6d7c24defe7cdf6c57c52430f8075a0a41d6/README.vin#L562-L586

, withPm ? [ "hydra" "gforker" ]

, pmix

  withPm ? [

    "hydra"

    "gforker"

  ],

  pmix,

  # PMIX support is likely incompatible with process managers (`--with-pm`)

  # https://github.com/NixOS/nixpkgs/pull/274804#discussion_r1432601476

, pmixSupport ? false

  pmixSupport ? false,

}:

let

    ./disable-romio-tests.patch

  ];

  outputs = [ "out" "doc" "man" ];

  outputs = [

    "out"

    "doc"

    "man"

  ];

  configureFlags = [

  configureFlags =

    [

      "--enable-shared"

      "--with-pm=${withPmStr}"

  ] ++ lib.optionals (lib.versionAtLeast gfortran.version "10") [

    ]

    ++ lib.optionals (lib.versionAtLeast gfortran.version "10") [

      "FFLAGS=-fallow-argument-mismatch" # https://github.com/pmodels/mpich/issues/4300

      "FCFLAGS=-fallow-argument-mismatch"

  ] ++ lib.optionals pmixSupport [

    ]

    ++ lib.optionals pmixSupport [

      "--with-pmix"

    ];

  enableParallelBuilding = true;

  nativeBuildInputs = [ gfortran python3 autoconf automake ];

  buildInputs = [ perl openssh hwloc ]

  nativeBuildInputs = [

    gfortran

    python3

    autoconf

    automake

  ];

  buildInputs =

    [

      perl

      openssh

      hwloc

    ]

    ++ lib.optional (!stdenv.hostPlatform.isDarwin) ch4backend

    ++ lib.optional pmixSupport pmix

    ++ lib.optional stdenv.hostPlatform.isDarwin darwin.apple_sdk.frameworks.Foundation;