build: make precompiled headers more useful
This can reduce the compilation time of a release
build (without tests) by more than 40%
Refs: #5212
Change-Id: I977aff0c0c7becbfee8a8b55605b81d0c014829b
diff --git a/daemon/main.cpp b/daemon/main.cpp
index 6d29646..60a589a 100644
--- a/daemon/main.cpp
+++ b/daemon/main.cpp
@@ -1,6 +1,6 @@
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
- * Copyright (c) 2014-2021, Regents of the University of California,
+ * Copyright (c) 2014-2022, Regents of the University of California,
* Arizona Board of Regents,
* Colorado State University,
* University Pierre & Marie Curie, Sorbonne University,
@@ -33,6 +33,7 @@
#include <string.h> // for strsignal()
+#include <boost/asio/signal_set.hpp>
#include <boost/config.hpp>
#include <boost/exception/diagnostic_information.hpp>
#include <boost/filesystem.hpp>