anchor.diff:  
     inherit src unpackPhase meta;
   
  +  outputs = [
  +    "out"
  +    "symbols"
  +  ];
  +
     # Add another configure-build-profiling run before the final configure phase if we build with pgo
     preConfigurePhases = lib.optionals pgoSupport [
       "configurePhase"
  
positive.code: # build time
  , autoconf
  , cargo
  , makeWrapper
  , nodejs
  , perl
  
negative.code:   # tests were disabled in configureFlags
    doCheck = false;
  
    # Generate build symbols once after the final build
    # https://firefox-source-docs.mozilla.org/crash-reporting/uploading_symbol.html
    preInstall = ''
      ./mach buildsymbols
      mkdir -p $symbols/
      cp mozobj/dist/*.crashreporter-symbols.zip $symbols/
  
      cd mozobj
    '';
  
  