From 6b2b3051177dd9b6db7659ba1d8cf76f019e12e2 Mon Sep 17 00:00:00 2001
From: Peter Dimov <pdimov@gmail.com>
Date: Sat, 21 Dec 2019 15:50:29 +0200
Subject: [PATCH] Update .cmake files

---
 cmake/BoostFetch.cmake       | 4 ++++
 cmake/BoostMessage.cmake     | 4 ++++
 cmake/BoostTest.cmake        | 4 ++++
 cmake/BoostTestJamfile.cmake | 4 ++++
 4 files changed, 16 insertions(+)

diff --git a/cmake/BoostFetch.cmake b/cmake/BoostFetch.cmake
index eb1df3a..92bed8f 100644
--- a/cmake/BoostFetch.cmake
+++ b/cmake/BoostFetch.cmake
@@ -2,6 +2,10 @@
 # Distributed under the Boost Software License, Version 1.0.
 # See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt
 
+if(NOT CMAKE_VERSION VERSION_LESS 3.10)
+  include_guard()
+endif()
+
 if(NOT COMMAND FetchContent_Populate)
 
     if(CMAKE_VERSION VERSION_LESS 3.11)
diff --git a/cmake/BoostMessage.cmake b/cmake/BoostMessage.cmake
index 4a12b58..675ae8b 100644
--- a/cmake/BoostMessage.cmake
+++ b/cmake/BoostMessage.cmake
@@ -2,6 +2,10 @@
 # Distributed under the Boost Software License, Version 1.0.
 # See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt
 
+if(NOT CMAKE_VERSION VERSION_LESS 3.10)
+  include_guard()
+endif()
+
 function(boost_message type)
 
   if(type STREQUAL "VERBOSE" OR type STREQUAL "DEBUG")
diff --git a/cmake/BoostTest.cmake b/cmake/BoostTest.cmake
index 01afe6f..2e03de6 100644
--- a/cmake/BoostTest.cmake
+++ b/cmake/BoostTest.cmake
@@ -2,6 +2,10 @@
 # Distributed under the Boost Software License, Version 1.0.
 # See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt
 
+if(NOT CMAKE_VERSION VERSION_LESS 3.10)
+  include_guard()
+endif()
+
 function(boost_test)
 
     cmake_parse_arguments(_ "" "TYPE;PREFIX;NAME" "SOURCES;LIBRARIES;ARGUMENTS" ${ARGN})
diff --git a/cmake/BoostTestJamfile.cmake b/cmake/BoostTestJamfile.cmake
index 90297ae..ad8d385 100644
--- a/cmake/BoostTestJamfile.cmake
+++ b/cmake/BoostTestJamfile.cmake
@@ -2,6 +2,10 @@
 # Distributed under the Boost Software License, Version 1.0.
 # See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt
 
+if(NOT CMAKE_VERSION VERSION_LESS 3.10)
+  include_guard()
+endif()
+
 include(BoostTest)
 include(BoostMessage)