# Copyright (c) 2018 Cisco and/or its affiliates. # 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. check_c_source_compiles(" #define _GNU_SOURCE #include <fcntl.h> int main() { return fcntl64 (0, 0); } " HAVE_FCNTL64) if (HAVE_FCNTL64) add_definitions(-DHAVE_FCNTL64) endif()