From f4d1107e868858db331c4f5c7501921aac959440 Mon Sep 17 00:00:00 2001
From: Mike Dev <mike.dev@gmx.de>
Date: Tue, 18 Sep 2018 14:12:26 +0200
Subject: [PATCH] [CMake] Add minimal cmake support

- CMake file only supports add_subdirectory workflow.
- Provides Boost::optional target,
  but no installation and no unit tests
---
 CMakeLists.txt | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644
index 0000000..3c836a4
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,28 @@
+# Copyright 2019 Mike Dev
+# Distributed under the Boost Software License, Version 1.0.
+# See accompanying file LICENSE_1_0.txt or copy at https://www.boost.org/LICENSE_1_0.txt
+#
+# NOTE: CMake support for Boost.Optional is currently experimental at best
+#       and the interface is likely to change in the future
+
+cmake_minimum_required( VERSION 3.5 )
+project( BoostOptional )
+
+add_library( boost_optional INTERFACE )
+add_library( Boost::optional ALIAS boost_optional )
+
+target_include_directories( boost_optional INTERFACE include )
+
+target_link_libraries( boost_optional
+    INTERFACE
+        Boost::assert
+        Boost::config
+        Boost::core
+        Boost::detail
+        Boost::move
+        Boost::predef
+        Boost::static_assert
+        Boost::throw_exception
+        Boost::type_traits
+        Boost::utility
+)