--- src/CMakeLists.txt.orig	2020-04-22 13:06:31 UTC
+++ src/CMakeLists.txt
@@ -1,3 +1,5 @@
+
+find_package(Boost COMPONENTS thread system REQUIRED)
 add_subdirectory(Prep)
 add_subdirectory(Lib)
 add_subdirectory(Airports)