diff -r b1eac0878ce7 -r 18892c0a9adc ucx/Makefile
--- a/ucx/Makefile	Sat Dec 05 10:34:10 2020 +0100
+++ b/ucx/Makefile	Sat Dec 05 11:54:58 2020 +0100
@@ -42,6 +42,8 @@
 SRC += logging.c
 SRC += buffer.c
 SRC += stack.c
+SRC += ucx.c
+SRC += array.c
 
 OBJ   = $(SRC:%.c=../build/ucx/%.$(OBJ_EXT))