anchor.diff:    cargoDeps = rustPlatform.fetchCargoTarball {
       inherit src;
       name = "${pname}-${version}";
  -    hash = "sha256-npqC8lu7acAggJyR4iDkcQZYMNNnseV2pB3+j4G/nIk=";
  +    hash = "sha256-eFq42m16zzrUBbAqv7BsAf4VxyO93WynLjvIzKbZwnQ=";
     };
   
     nativeBuildInputs = [
       meson
       ninja
       pkg-config
  -    python3
       rustPlatform.rust.cargo
       rustPlatform.cargoSetupHook
       rustPlatform.rust.rustc
  
positive.code: , nix-update-script
  , meson
  , ninja
  , python3
  , rustPlatform
  , pkg-config
  , glib
  
negative.code:   # <spa-0.2/spa/utils/defs.h> included by libspa-sys requires <stdbool.h>
    BINDGEN_EXTRA_CLANG_ARGS = "-I${llvmPackages.libclang.lib}/lib/clang/${lib.getVersion llvmPackages.clang}/include -I${glibc.dev}/include";
  
    passthru = {
      updateScript = nix-update-script {
        attrPath = pname;
  