build: prepend "NFD_" to various macro names to avoid conflicts

Change-Id: Icc370968e3d38fef80ece35a2aed56450f54b653
diff --git a/tests/daemon/common/privilege-helper.t.cpp b/tests/daemon/common/privilege-helper.t.cpp
index dcea7cb..c670a5f 100644
--- a/tests/daemon/common/privilege-helper.t.cpp
+++ b/tests/daemon/common/privilege-helper.t.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2014-2019,  Regents of the University of California,
+ * Copyright (c) 2014-2021,  Regents of the University of California,
  *                           Arizona Board of Regents,
  *                           Colorado State University,
  *                           University Pierre & Marie Curie, Sorbonne University,
@@ -34,7 +34,7 @@
 
 BOOST_AUTO_TEST_CASE(DropRaise)
 {
-#ifdef HAVE_PRIVILEGE_DROP_AND_ELEVATE
+#ifdef NFD_HAVE_PRIVILEGE_DROP_AND_ELEVATE
   SKIP_IF_NOT_SUPERUSER();
 
   // The following assumes that daemon:daemon is present on the test system
@@ -64,7 +64,7 @@
 
 #else
   BOOST_TEST_MESSAGE("Dropping/raising privileges not supported on this platform, skipping");
-#endif // HAVE_PRIVILEGE_DROP_AND_ELEVATE
+#endif // NFD_HAVE_PRIVILEGE_DROP_AND_ELEVATE
 }
 
 BOOST_AUTO_TEST_SUITE_END() // TestPrivilegeHelper
diff --git a/tests/daemon/mgmt/general-config-section.t.cpp b/tests/daemon/mgmt/general-config-section.t.cpp
index 5dbfc41..cad7834 100644
--- a/tests/daemon/mgmt/general-config-section.t.cpp
+++ b/tests/daemon/mgmt/general-config-section.t.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2014-2019,  Regents of the University of California,
+ * Copyright (c) 2014-2021,  Regents of the University of California,
  *                           Arizona Board of Regents,
  *                           Colorado State University,
  *                           University Pierre & Marie Curie, Sorbonne University,
@@ -46,14 +46,14 @@
     setConfigFile(configFile);
   }
 
-#ifdef HAVE_PRIVILEGE_DROP_AND_ELEVATE
+#ifdef NFD_HAVE_PRIVILEGE_DROP_AND_ELEVATE
   ~GeneralConfigSectionFixture()
   {
     // revert changes to s_normalUid/s_normalGid, if any
     PrivilegeHelper::s_normalUid = ::geteuid();
     PrivilegeHelper::s_normalGid = ::getegid();
   }
-#endif // HAVE_PRIVILEGE_DROP_AND_ELEVATE
+#endif // NFD_HAVE_PRIVILEGE_DROP_AND_ELEVATE
 
 protected:
   ConfigFile configFile;
@@ -76,7 +76,7 @@
   BOOST_CHECK_EQUAL(PrivilegeHelper::s_normalGid, PrivilegeHelper::s_privilegedGid);
 }
 
-#ifdef HAVE_PRIVILEGE_DROP_AND_ELEVATE
+#ifdef NFD_HAVE_PRIVILEGE_DROP_AND_ELEVATE
 
 BOOST_AUTO_TEST_CASE(UserConfig)
 {
@@ -124,7 +124,7 @@
   BOOST_CHECK_NE(PrivilegeHelper::s_normalGid, PrivilegeHelper::s_privilegedGid);
 }
 
-#endif // HAVE_PRIVILEGE_DROP_AND_ELEVATE
+#endif // NFD_HAVE_PRIVILEGE_DROP_AND_ELEVATE
 
 BOOST_AUTO_TEST_CASE(InvalidUserConfig)
 {