diff -r b5d6cb88d05d -r 2d6f6cb24132 src/CMakeLists.txt
--- a/src/CMakeLists.txt	Sun Sep 26 13:06:48 2021 +0200
+++ b/src/CMakeLists.txt	Sun Sep 26 13:34:30 2021 +0200
@@ -2,6 +2,7 @@
         allocator.c
         list.c
         linked_list.c
+        tree.c
 )
 set(headers
         cx/allocator.h