anchor.diff:    installFlags = [ "PREFIX=${placeholder "out"}" ];
   
     meta = with lib; {
  +    homepage = "https://www.acpica.org/";
       description = "ACPICA Tools";
  -    homepage = "https://www.acpica.org/";
       license = with licenses; [ iasl gpl2Only bsd3 ];
  +    maintainers = with maintainers; [ tadfisher ];
       platforms = platforms.linux;
  -    maintainers = with maintainers; [ tadfisher ];
     };
   }
  
positive.code: { lib, stdenv, fetchurl, bison, flex }:
  
  stdenv.mkDerivation rec {
    pname = "acpica-tools";
    version = "20211217";
  
    src = fetchurl {
      url = "https://acpica.org/sites/acpica/files/acpica-unix-${version}.tar.gz";
      sha256 = "14jrrdrl3sw438791zf2v6rjvhiq78yl7hz2ldzp83c251cgh495";
    };
  
    NIX_CFLAGS_COMPILE = "-O3";
  
    enableParallelBuilding = true;
  
    buildFlags = [
      "acpibin"
  
negative.code:     "iasl"
    ];
  
    NIX_CFLAGS_COMPILE = "-O3";
  
    enableParallelBuilding = true;
  
    # We can handle stripping ourselves.
    INSTALLFLAGS = "-m 555";
  