anchor.diff:    buildInputs = [
       libexif
       libgd
  -    libjpeg-turbo_1-4
  +    libjpeg-turbo
       libusb
       libxml2
       #lockdev
  
positive.code: 
  , libexif
  , libgd
  , libjpeg-turbo_1-4
  #, libltdl
  , libusb
  , libxml2
  
negative.code:     "--enable-largefile"
      "--disable-internal-docs"
      "--disable-docs"
      "--${boolWt (libjpeg-turbo != null)}-jpeg"
      "--with-camlibs=all"
    ];
  
  