#include <iostream>
#include <boost/asio.hpp>

int main () {
    boost::asio::io_service io_dummy;
    boost::asio::deadline_timer t(io_dummy, boost::posix_time::seconds(5));
    t.wait();
    std::cout << "Hello word!" << std::endl;
}
#include <iostream>

int main () {
    std::cout << "Hello word!" << std::endl;
}
--- 
+++ 
@@ -1,5 +1,9 @@
 #include <iostream>
+#include <boost/asio.hpp>
 
 int main () {
+    boost::asio::io_service io_dummy;
+    boost::asio::deadline_timer t(io_dummy, boost::posix_time::seconds(5));
+    t.wait();
     std::cout << "Hello word!" << std::endl;
 }
Add a dummy for testing Boost dependencies within CMake
