| # |
| # Licensed to the Apache Software Foundation (ASF) under one |
| # or more contributor license agreements. See the NOTICE file |
| # distributed with this work for additional information |
| # regarding copyright ownership. The ASF licenses this file |
| # to you 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. |
| # |
| |
| # Check C++ capabilities. |
| |
| include(CheckCXXSourceCompiles) |
| |
| if (CMAKE_CXX_COMPILER) |
| set(CMAKE_REQUIRED_FLAGS "${CXX_WARNING_FLAGS}") |
| check_cxx_source_compiles("long long ll; int main(int, char**) { return 0; }" HAS_LONG_LONG) |
| if (HAS_LONG_LONG) |
| add_definitions(-DPN_CPP_HAS_LONG_LONG=1) |
| endif() |
| check_cxx_source_compiles("#include <memory>\nstd::shared_ptr<int> i; std::unique_ptr<int> u; int main(int, char**) { return 0; }" HAS_STD_PTR) |
| if (HAS_STD_PTR) |
| add_definitions(-DPN_CPP_HAS_STD_PTR=1) |
| endif() |
| check_cxx_source_compiles("#if defined(__cplusplus) && __cplusplus >= 201100\nint main(int, char**) { return 0; }\n#endif" HAS_CPP11) |
| endif() |