anchor.diff:        --suffix PATH : "${rustc}/bin" \
         --set CARGO_HTTP_CAINFO "${cacert}/etc/ssl/certs/ca-bundle.crt" \
         --set SSL_CERT_FILE "${cacert}/etc/ssl/certs/ca-bundle.crt"
  +
  +    installManPage src/tools/cargo/src/etc/man/*
     '';
   
     checkPhase = ''
  
positive.code: { stdenv, file, curl, pkgconfig, python3, openssl, cmake, zlib
  , makeWrapper, libiconv, cacert, rustPlatform, rustc
  , CoreFoundation, Security
  }:
  
  
negative.code:   # changes hash of vendor directory otherwise
    dontUpdateAutotoolsGnuConfigScripts = true;
  
    nativeBuildInputs = [ pkgconfig cmake installShellFiles makeWrapper ];
    buildInputs = [ cacert file curl python3 openssl zlib ]
      ++ stdenv.lib.optionals stdenv.isDarwin [ CoreFoundation Security libiconv ];
  
  