blob: 09985460ab71c3bd1aa880c15149ac85f1621398 [file] [log] [blame]
#
# 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_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_HAS_STD_PTR=1)
endif()
endif()