diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644
index 0000000..50bde27
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,3 @@
+cmake_minimum_required(VERSION 3.0)
+project(troff NONE)
+add_subdirectory(pic)