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/tests/unit/unit-tests-pch.hpp b/tests/unit/unit-tests-pch.hpp
new file mode 100644
index 0000000..54e15f9
--- /dev/null
+++ b/tests/unit/unit-tests-pch.hpp
@@ -0,0 +1,35 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * Copyright (c) 2013-2020 Regents of the University of California.
+ *
+ * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
+ *
+ * ndn-cxx library is free software: you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * ndn-cxx library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received copies of the GNU General Public License and GNU Lesser
+ * General Public License along with ndn-cxx, e.g., in COPYING.md file. If not, see
+ * <http://www.gnu.org/licenses/>.
+ *
+ * See AUTHORS.md for complete list of ndn-cxx authors and contributors.
+ */
+
+#ifndef NDN_TESTS_UNIT_UNIT_TESTS_PCH_HPP
+#define NDN_TESTS_UNIT_UNIT_TESTS_PCH_HPP
+
+#include "tests/tests-pch.hpp"
+
+#include "ndn-cxx/face.hpp"
+#include "ndn-cxx/ims/in-memory-storage.hpp"
+#include "ndn-cxx/security/transform.hpp"
+#include "ndn-cxx/security/v2/validator.hpp"
+#include "ndn-cxx/util/config-file.hpp"
+
+#include "tests/identity-management-fixture.hpp"
+
+#endif // NDN_TESTS_UNIT_UNIT_TESTS_PCH_HPP