diff -r 4bc7d966c9db -r 255ee4abf2ec src/Makefile
--- a/src/Makefile	Wed Oct 18 21:07:02 2023 +0200
+++ b/src/Makefile	Thu Nov 23 23:33:09 2023 +0100
@@ -49,65 +49,72 @@
 	$(SYMLINK) $(libdir)/libucx$(SHLIB_EXT).$(LIBVERSION) $(libdir)/libucx$(SHLIB_EXT).$(LIBVERSION_MAJOR)
 	$(SYMLINK) $(libdir)/libucx$(SHLIB_EXT).$(LIBVERSION_MAJOR) $(libdir)/libucx$(SHLIB_EXT)
 
+FORCE:
+
 $(build_dir)/allocator$(OBJ_EXT): allocator.c cx/allocator.h cx/common.h
-	echo "Compiling $<"
+	@echo "Compiling $<"
 	$(CC) -o $@ $(CFLAGS) -c $<
 
 $(build_dir)/array_list$(OBJ_EXT): array_list.c cx/array_list.h cx/list.h \
  cx/common.h cx/collection.h cx/allocator.h cx/iterator.h
-	echo "Compiling $<"
+	@echo "Compiling $<"
 	$(CC) -o $@ $(CFLAGS) -c $<
 
-$(build_dir)/buffer$(OBJ_EXT): buffer.c cx/buffer.h cx/common.h cx/allocator.h \
- cx/utils.h
-	echo "Compiling $<"
+$(build_dir)/buffer$(OBJ_EXT): buffer.c cx/buffer.h cx/common.h \
+ cx/allocator.h cx/utils.h
+	@echo "Compiling $<"
 	$(CC) -o $@ $(CFLAGS) -c $<
 
 $(build_dir)/compare$(OBJ_EXT): compare.c cx/compare.h cx/common.h
-	echo "Compiling $<"
+	@echo "Compiling $<"
 	$(CC) -o $@ $(CFLAGS) -c $<
 
 $(build_dir)/hash_key$(OBJ_EXT): hash_key.c cx/hash_key.h cx/common.h
-	echo "Compiling $<"
+	@echo "Compiling $<"
 	$(CC) -o $@ $(CFLAGS) -c $<
 
-$(build_dir)/hash_map$(OBJ_EXT): hash_map.c cx/hash_map.h cx/map.h cx/common.h \
- cx/collection.h cx/allocator.h cx/iterator.h cx/string.h cx/hash_key.h \
- cx/utils.h
-	echo "Compiling $<"
+$(build_dir)/hash_map$(OBJ_EXT): hash_map.c cx/hash_map.h cx/map.h \
+ cx/common.h cx/collection.h cx/allocator.h cx/iterator.h cx/string.h \
+ cx/hash_key.h cx/utils.h
+	@echo "Compiling $<"
 	$(CC) -o $@ $(CFLAGS) -c $<
 
-$(build_dir)/linked_list$(OBJ_EXT): linked_list.c cx/linked_list.h cx/common.h \
- cx/list.h cx/collection.h cx/allocator.h cx/iterator.h cx/utils.h
-	echo "Compiling $<"
+$(build_dir)/linked_list$(OBJ_EXT): linked_list.c cx/linked_list.h \
+ cx/common.h cx/list.h cx/collection.h cx/allocator.h cx/iterator.h \
+ cx/utils.h
+	@echo "Compiling $<"
 	$(CC) -o $@ $(CFLAGS) -c $<
 
 $(build_dir)/list$(OBJ_EXT): list.c cx/list.h cx/common.h cx/collection.h \
  cx/allocator.h cx/iterator.h
-	echo "Compiling $<"
+	@echo "Compiling $<"
 	$(CC) -o $@ $(CFLAGS) -c $<
 
 $(build_dir)/map$(OBJ_EXT): map.c cx/map.h cx/common.h cx/collection.h \
  cx/allocator.h cx/iterator.h cx/string.h cx/hash_key.h
-	echo "Compiling $<"
+	@echo "Compiling $<"
 	$(CC) -o $@ $(CFLAGS) -c $<
 
-$(build_dir)/mempool$(OBJ_EXT): mempool.c cx/mempool.h cx/common.h cx/allocator.h \
- cx/utils.h
-	echo "Compiling $<"
+$(build_dir)/mempool$(OBJ_EXT): mempool.c cx/mempool.h cx/common.h \
+ cx/allocator.h cx/utils.h
+	@echo "Compiling $<"
 	$(CC) -o $@ $(CFLAGS) -c $<
 
-$(build_dir)/printf$(OBJ_EXT): printf.c cx/printf.h cx/common.h cx/string.h \
- cx/allocator.h
-	echo "Compiling $<"
+$(build_dir)/printf$(OBJ_EXT): printf.c cx/printf.h cx/common.h \
+ cx/string.h cx/allocator.h
+	@echo "Compiling $<"
 	$(CC) -o $@ $(CFLAGS) -c $<
 
-$(build_dir)/string$(OBJ_EXT): string.c cx/string.h cx/common.h cx/allocator.h \
- cx/utils.h
-	echo "Compiling $<"
+$(build_dir)/string$(OBJ_EXT): string.c cx/string.h cx/common.h \
+ cx/allocator.h cx/utils.h
+	@echo "Compiling $<"
+	$(CC) -o $@ $(CFLAGS) -c $<
+
+$(build_dir)/szmul$(OBJ_EXT): szmul.c
+	@echo "Compiling $<"
 	$(CC) -o $@ $(CFLAGS) -c $<
 
 $(build_dir)/utils$(OBJ_EXT): utils.c cx/utils.h cx/common.h
-	echo "Compiling $<"
+	@echo "Compiling $<"
 	$(CC) -o $@ $(CFLAGS) -c $<