{
  lib,
  src,
  stdenv,

  cmocka,
  libllvm,
  pkg-config,
}:
stdenv.mkDerivation {
  pname = "where-are-my-friends-coverage-html";
  version = "0.1.0";
  inherit src;

  makeFlags = [
    "prefix=$(out)"
    "CC=${stdenv.cc.targetPrefix}cc"
  ];

  hardeningDisable = [ "fortify" ];

  env = {
    CMOCKA_MESSAGE_OUTPUT = "XML";
    LLVM_PROFILE_FILE = "output/prof/wamf-%p-%m.profraw";
  };

  nativeBuildInputs = [
    libllvm
    pkg-config
  ];
  buildInputs = [ cmocka ];

  buildPhase = ''
    runHook preBuild

    mkdir -p "$(dirname "$LLVM_PROFILE_FILE")"
    make check

    llvm-profdata merge -sparse output/prof/wamf-*.profraw -o wamf.profdata

    LLVM_COV_ARGS=(
      -format=html
      -output-dir=coverage-html
      -instr-profile=wamf.profdata
      -object=output/test/test
      # -show-line-counts-or-regions
      # -show-expansions
      # -show-instantiations
      -use-color
      -Xdemangler=c++filt
      -ignore-filename-regex='.*(test/).*'
      -compilation-dir=.
    )

    llvm-cov show "''${LLVM_COV_ARGS[@]}"

    runHook postBuild
  '';

  installPhase = ''
    runHook preInstall

    mkdir -p "$(dirname "$out")"
    cp -r coverage-html "$out"

    runHook postInstall
  '';

  doCheck = false;

  meta = {
    description = "RCON -> Bluemap player position API converter";
    homepage = "https://git.pvv.ntnu.no/Projects/where-are-my-friends";
    platforms = lib.platforms.unix;
    mainProgram = "wamf";
  };
}