anchor.diff:      find qtwebengine -name \*.gyp\* -type f | xargs -n 1 -P $NIX_BUILD_CORES sed -i "s,/bin/echo,$(type -tP echo),g"
     '';
   
  -  preConfigure = ''
  -    configureFlagsArray+=(
  -      "-prefix" "$out"
  -    )
  -  '';
  +  prefixKey = "-prefix ";
   
     configureFlags = [
       "-release"
       "-opensource"
       "-confirm-license"
   
  -    "-qt-sql-mysql"
  +    "-sql-mysql"
       "-no-sql-odbc"
       "-no-sql-oci"
  -    "-qt-sql-psql"
  +    "-sql-psql"
       "-no-sql-tds"
       "-no-sql-db2"
  -    "-qt-sql-sqlite"
  +    "-sql-sqlite"
       "-no-sql-sqlite2"
       "-no-sql-ibase"
       "-system-sqlite"
  
positive.code:     find $out/lib/pkgconfig -name \*.pc -exec sed -i 's,Qt5UiPlugin,,g' {} \;
    '';
  
    # FIXME
    buildDirCheck = false;
  
  
negative.code:     "-no-compile-examples"
      "-verbose"
      "-cups"
      "-no-iconv"
      "-evdev"
      "-tslib"
      "-icu"
  