--- a/src/Makefile	Thu Oct 10 18:40:27 2024 +0200
+++ b/src/Makefile	Sat Oct 12 19:34:19 2024 +0200
@@ -125,7 +125,9 @@
 	@echo "Compiling $<"
 	$(CC) -o $@ $(CFLAGS) -c $<
 
-$(build_dir)/properties$(OBJ_EXT): properties.c cx/properties.h
+$(build_dir)/properties$(OBJ_EXT): properties.c cx/properties.h \
+ cx/common.h cx/string.h cx/allocator.h cx/array_list.h cx/list.h \
+ cx/collection.h cx/iterator.h cx/compare.h
 	@echo "Compiling $<"
 	$(CC) -o $@ $(CFLAGS) -c $<