diff -Nurd LiE.orig/Makefile LiE/Makefile
--- LiE.orig/Makefile	2000-04-07 03:46:28.000000000 -0400
+++ LiE/Makefile	2021-05-29 05:08:24.000000000 -0400
@@ -88,7 +88,7 @@
 	$(CC) -ansi -c -o gapdate.o date.c
 
 Lie.exe: date.o
-	$(CC) -o Lie.exe $(objects) date.o static/*.o box/*.o -lreadline
+	$(CC) -o Lie.exe $(objects) date.o static/*.o box/*.o $(LDFLAGS) -lreadline
 	chmod g+w Lie.exe
 Liegap.exe: gapdate.o
 	$(CC) -o Liegap.exe $(GAP_objects) gapdate.o static/*.o box/*.o
diff -Nurd LiE.orig/getl.c LiE/getl.c
--- LiE.orig/getl.c	2000-04-07 04:24:54.000000000 -0400
+++ LiE/getl.c	2021-05-29 05:07:49.000000000 -0400
@@ -7,16 +7,7 @@
 
 #ifdef preprocessor
 
-/* Instead of #including files we simply state the few declarations needed.
-   This was needed because on some systems the included files would contain
-   stuff that conflicts with that in "lie.h" (notably the typedef of |index|).
-*/
-
-typedef int Function (void);
-extern char* readline (char*);
-extern void add_history (char*);
-extern int rl_insert (void);
-extern int rl_bind_key(int, Function*);
+#include "readline/readline.h"
 
 /* A static variable for holding the line. */
 static char* line_read = NULL;