Apparently there was a

compiler define that should have been enabled, but was not due to
different naming conventions for Linux/Alpha. Attached is the patch he
sent me, that I have not had a chance to test yet.

From: Ryan Kirkpatrick <rkirkpat@nag.cs.colorado.edu>

src/makefiles/Makefile.linux

+CFLAGS	= -I$(SRCDIR)/include -I/usr/include/ncurses -I/usr/include/readline -Dlinuxalpha -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer
 ifdef LINUX_ELF
 # test for __ELF__ in C code so do not need LINUX_ELF defined
 # - thomas 1997-12-29