Status: submitted upstream https://github.com/gchp/termbox-sys/pull/20
--- Cargo.toml
+++ Cargo.toml
@@ -43,3 +43,6 @@ bench = []
 name = "draw_buffer"
 path = "benches/view/draw_buffer.rs"
 harness = false
+
+[patch.crates-io]
+termbox-sys = { git = 'https://github.com/q66/termbox-sys' }