build: add PCHs for ndnsec and unit tests, fine-tune the existing ones
A full debug+tests build now takes 10% less time with gcc-9 and 21% less
with clang-10. Release builds (without tests) are only marginally faster
with gcc and 7% faster with clang.
Change-Id: I494778fe44cecc6209819a49f48a03f4d16c36af
diff --git a/tools/ndnsec/sign-req.cpp b/tools/ndnsec/sign-req.cpp
index d8d7486..f9f97e9 100644
--- a/tools/ndnsec/sign-req.cpp
+++ b/tools/ndnsec/sign-req.cpp
@@ -1,6 +1,6 @@
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
- * Copyright (c) 2013-2019 Regents of the University of California.
+ * Copyright (c) 2013-2020 Regents of the University of California.
*
* This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
*
@@ -22,6 +22,8 @@
#include "ndnsec.hpp"
#include "util.hpp"
+#include "ndn-cxx/util/io.hpp"
+
namespace ndn {
namespace ndnsec {