anchor.diff:      "--disable-trace"
       "--enable-interpreter"
       "--disable-symbol-lookup"
  -    #"--enable-some-floating-point"
       "--${boolWt opengl-dummy.glx}-x"
       #(wtFlag "skia" true "yes")
       #(wtFlag "skia-build-type" true "Release")
  
positive.code: , libxrender
  , lzo
  , opengl-dummy
  , xorg
  , zlib
  }:
  
  
negative.code:     '';
  
    configureFlags = [
      "--disable-valgrind"
      "--${boolEn opengl-dummy.glx}-xlib"
      "--${boolEn opengl-dummy.glx}-xlib-xrender"
  