--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,7 @@
      CC = gcc -g -ggdb $(PROF)
     CPP = g++ -g -ggdb $(PROF)
- CFLAGS = -Wall -O2 -Iinclude #-ansi
+ CFLAGS = -Wall -O2 -Iinclude $(EXTRA)
+  EXTRA = #-DNO_CRYPT
 LDFLAGS = -L/usr/lib
      RM = rm -f
    FIND = find

--- a/crypt.c
+++ b/crypt.c
@@ -6,7 +6,11 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <time.h>
+#include <unistd.h>
+
+#ifndef NO_CRYPT
 #include <crypt.h>
+#endif
 
 #define GETRANDOM(max) ('a'+(int)((float)(max)*rand()/RAND_MAX+1.0))