add version.hpp to ngraph install files for external backends (#2277)

* add version.hpp to ngraph install files for external backends

* update date

src/ngraph/CMakeLists.txt

@@ -179,6 +179,8 @@ if(NGRAPH_DISTRIBUTED_ENABLE)
     list(APPEND SRC distributed.cpp)
 endif()
 
+configure_file(version.in.hpp version.hpp)
+
 add_library(ngraph SHARED ${SRC})
 
 if(NGRAPH_DISTRIBUTED_ENABLE)
@@ -264,6 +266,8 @@ install(DIRECTORY
         PATTERN "*.hpp"
         PATTERN "*.h"
 )
+install(FILES ${CMAKE_BINARY_DIR}/src/ngraph/version.hpp
+    DESTINATION "${NGRAPH_INSTALL_INCLUDE}/ngraph")
 
 set(CPACK_GENERATOR "DEB")
 set(CPACK_DEBIAN_PACKAGE_SHLIBDEPS ON)

src/ngraph/version.in.hpp

+//*****************************************************************************
+// Copyright 2017-2019 Intel Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//*****************************************************************************
+
+const char* NGRAPH_VERSION_NUMBER = "${NGRAPH_VERSION}";