Got it compiling again, but wow, warnings.

Makefile

@@ -5,12 +5,12 @@ OBJS =	terminal.o rmove.o network.o netprot.o rwrite.o rread.o \
 	system.o ctlmod.o \
 	find.o inter.o
 
-LDFLAGS = -lncurses -lcrypt
+LDFLAGS = $(shell pkg-config --libs ncurses)
 
 default: rogue
 
 rogue: $(OBJS)
-	$(CC) -o $@ $(LDFLAGS) $^
+	$(CC) -o $@ $^ $(LDFLAGS)
 
 clean:
 	rm -f $(OBJS) rogue

control.c

@@ -6,6 +6,7 @@
 
 #include <curses.h>
 #include <ctype.h>
+#include <string.h>
 #include "netprot.h"
 
 /*
@@ -269,5 +270,5 @@ show_win(char *message)
     clearok(curscr, TRUE);
 #ifdef	attron
     touchwin(stdscr);
-#endif	attron
+#endif	/* attron */
 }

rmove.c

@@ -387,4 +387,4 @@ struct h_list Helpstr[] = {
 
 #ifdef TIOCGLTC
 struct ltchars Ltc;		/* needed to change ^Y to not be suspchar */
-#endif TIOCGLTC
+#endif /* TIOCGLTC */

rread.c

@@ -96,8 +96,7 @@ kill_daemon(void (*func)(int))
  *	passing the argument to the function.
  */
 void
-do_daemons(flag)
-int flag;
+do_daemons(int flag)
 {
     struct delayed_action *dev;