args: with args;
let edf = composableDerivation.edf;
    wwf = composableDerivation.wwf; in
composableDerivation.composableDerivation {
  initial = {

    name="hugs98";

    src = fetchurl {
        url = http://cvs.haskell.org/Hugs/downloads/2006-09/hugs98-Sep2006.tar.gz;
        sha256 = "3cf4d27673564cffe691bd14032369f646233f14daf2bc37c6c6df9f062b46b6";
    };

        #encode all character I/O using the byte encoding
        #determined by the locale in effect at that time. To
        #require that the UTF-8 encoding is always used, give
        #the --enable-char-encoding=utf8 option.
        #[default=autodetect]
    postUnpack = ''
      find -type f | xargs sed -i 's@/bin/cp@cp@';
    '';
    configurePhase="./configure --prefix=\$out --enable-char-encoding=utf8 $configureFlags";

    flags =
         edf { name = "pathCanonicalization"; feat="path-canonicalization"; }
      // edf { name="timer"; }   # enable evaluation timing (for benchmarking Hugs)
      // edf { name="profiling"; }# enable heap profiler
      // edf { name="stackDumps"; feat="stack-dummps"; } # enable stack dump on stack overflow
      // edf { name="largeBanner"; feat="large-banner"; } # disable multiline startup banner
      // edf { name="internal-prims"; } # experimental primitives to access Hugs's innards
      // edf { name="debug"; } # include C debugging information (for debugging Hugs)
      // edf { name="tag"; } # runtime tag checking (for debugging Hugs)
      // edf { name="lint"; } # enable "lint" flags (for debugging Hugs)
      // edf { name="only98"; } # build Hugs to understand Haskell 98 only
      // edf { name="ffi"; }
        #--with-nmake            produce a Makefile compatible with nmake
        #--with-gui              build Hugs for Windows GUI (Borland C++ only)
      // wwf { name="pthreads"; } #   build Hugs using POSIX threads C library
      ;

    cfg = {
      largeBannerSupport = true; # seems to be default


        char = { cfgOption = "--enable-char-encoding"; blocks = "utf8"; };
        utf8 = { cfgOption = "--enable-char-encoding=utf8"; blocks="char"; };

      };

    meta = {
      license = "as-is"; # gentoo is calling it this way..
      description = "The HUGS98 Haskell <interpreter";
      homepage = http://www.haskell.org/hugs;
    };
  };
}