diff -r 1fbca22dd700 -r ff9e8d2e2f3c ucx/Makefile
--- a/ucx/Makefile	Thu May 30 12:45:38 2019 +0200
+++ b/ucx/Makefile	Thu May 30 12:47:28 2019 +0200
@@ -41,6 +41,7 @@
 SRC += logging.c
 SRC += buffer.c
 SRC += stack.c
+SRC += ucx.c
 
 OBJ = $(SRC:%.c=../build/ucx/%$(OBJ_EXT))