[CMake] Add test for cmake file

.travis.yml

@@ -225,6 +225,22 @@ matrix:
       env: TOOLSET=clang COMPILER=clang++ CXXSTD64=03,11,14,1z
       osx_image: xcode9.4
 
+# cmake self-test
+    - os: linux
+      env: TEST_CMAKE=1
+      addons:
+        apt:
+          packages:
+            - cmake
+      script:
+        - mkdir __build_static__ && cd __build_static__
+        - cmake ../libs/atomic/test/test_cmake
+        - cmake --build .
+        - cd ..
+        - mkdir __build_shared__ && cd __build_shared__
+        - cmake -DBUILD_SHARED_LIBS=On ../libs/atomic/test/test_cmake
+        - cmake --build .
+
 
 install:
   - cd ..
@@ -238,8 +254,7 @@ install:
   - git submodule update --jobs 4
   - cp -r $TRAVIS_BUILD_DIR/* libs/atomic
   - python tools/boostdep/depinst/depinst.py atomic
-  - ./bootstrap.sh
-  - ./b2 headers
+  - if [ -n "$TEST_CMAKE" ]; then ./bootstrap.sh; ./b2 headers; fi
 
 script:
   - |-

test/test_cmake/CMakeLists.txt

@@ -0,0 +1,22 @@
+# Copyright 2018 Mike Dev
+# 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
+#
+# NOTE: This does NOT run the unit tests for Boost.Atomic.
+#       It only tests, if the CMakeLists.txt file in it's root works as expected
+
+cmake_minimum_required( VERSION 3.5 )
+
+project( BoostAtomicCMakeSelfTest )
+
+add_definitions( -DBOOST_ALL_NO_LIB )
+
+add_subdirectory( ../../../assert ${CMAKE_CURRENT_BINARY_DIR}/libs/assert )
+add_subdirectory( ../../../config ${CMAKE_CURRENT_BINARY_DIR}/libs/config )
+add_subdirectory( ../../../static_assert ${CMAKE_CURRENT_BINARY_DIR}/libs/static_assert )
+add_subdirectory( ../../../type_traits ${CMAKE_CURRENT_BINARY_DIR}/libs/type_traits )
+
+add_subdirectory( ../.. ${CMAKE_CURRENT_BINARY_DIR}/libs/boost_atomic )
+
+add_executable( boost_atomic_cmake_self_test main.cpp )
+target_link_libraries( boost_atomic_cmake_self_test Boost::atomic )

test/test_cmake/main.cpp

@@ -0,0 +1,22 @@
+//  Copyright (c) 2018 Mike Dev
+//
+//  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)
+
+#include <boost/atomic.hpp>
+
+struct Dummy
+{
+    int x[128];
+};
+
+int main()
+{
+    Dummy d = {};
+    boost::atomic<Dummy> ad;
+
+    // this operation requires functions from
+    // the compiled part of Boost.Atomic
+    ad = d;
+}