Trying to build hugs CVS version on x86_64 yields: jp@legolas:~/haskell/fptools/hugs98$ make cd src; make all make[1]: Entering directory `/home/jp/haskell/fptools/hugs98/src' gcc hugs.o edit.o observe.o builtin.o char.o compiler.o errors.o evaluator.o ffi.o goal.o input.o machdep.o machine.o module.o opts.o output.o plugin.o script.o static.o storage.o strutil.o subst.o type.o version.o -lreadline -lncurses -lm -ldl -o hugs builtin.o: In function `mkThunk': /home/jp/haskell/fptools/hugs98/src/builtin.c:2044: undefined reference to `mallocBytesRWX' collect2: ld returned 1 exit status make[1]: *** [hugs] Error 1 make[1]: Leaving directory `/home/jp/haskell/fptools/hugs98/src' make: *** [all] Error 2 jp@legolas:~/haskell/fptools/hugs98$ uname -a Linux legolas 2.6.12-10-amd64-generic #1 Mon Feb 13 12:14:05 UTC 2006 x86_64 GNU/Linux jp@legolas:~/haskell/fptools/hugs98$ Cheers, JP.