anchor.diff:      libvpx
       libwebp
       nspr
  -    nss
  +    nss_3_53
       pango
       perl
       sqlite
  
positive.code: 
    NIX_CFLAGS_COMPILE =[
      "-I${glib.dev}/include/gio-unix-2.0"
      "-I${nss.dev}/include/nss"
    ];
  
    patches = [
  
negative.code: , nasm
  , nodejs
  , nspr
  , nss_3_53
  , pango
  , perl
  , pkgconfig
  