Index: src/Makefile
--- src/Makefile.orig	2021-06-14 21:00:11.000000000 +0200
+++ src/Makefile	2022-08-27 10:53:00.193044000 +0200
@@ -59,7 +59,7 @@
 	    CFLAGS_ADDTL="-g $(CFLAGS_ADDTL)" STRIP=false flags_$(BOXES_PLATFORM) $(BOXES_EXECUTABLE_NAME)
 
 boxes: $(ALL_OBJ) | check_dir
-	$(CC) $(LDFLAGS) $^ -o $@ -lunistring -lpcre2-32
+	$(CC) $(LDFLAGS) $^ -o $@ -lunistring -lpcre2-32 -liconv
 	if [ "$(STRIP)" = "true" ] ; then strip $@ ; fi
 
 boxes.exe: $(ALL_OBJ) | check_dir
@@ -68,7 +68,7 @@
 
 
 flags_unix:
-	$(eval CFLAGS := -I. -I$(SRC_DIR) -Wall -W $(CFLAGS_ADDTL))
+	$(eval CFLAGS := -I. -I$(SRC_DIR) -W $(CFLAGS_ADDTL))
 	$(eval LDFLAGS := $(LDFLAGS_ADDTL))
 	$(eval BOXES_EXECUTABLE_NAME := boxes)
 	$(eval ALL_OBJ := $(GEN_SRC:.c=.o) $(ORIG_NORM:.c=.o))
Index: src/boxes.in.h
--- src/boxes.in.h.orig	2021-06-14 21:00:11.000000000 +0200
+++ src/boxes.in.h	2022-08-27 10:52:39.941902000 +0200
@@ -31,7 +31,7 @@
 /* #define LEXER_DEBUG 1 */
 
 #include <stdio.h>
-#include <unitypes.h>
+#include <stdlib.h>
 #include "regulex.h"
 #include "shape.h"