/usr/include/zmqpp/compatibility.hpp is in libzmqpp-dev 3.2.0-0ubuntu3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* \file
*
* \date 10 Sep 2011
* \author ron
* \author Ben Gray (\@benjamg)
*
* A fair number of C++0x (or more accurately C++11) features are used in this
* library and as this project is used where I work on older compilers this
* file was created to help.
*
* C++ features and their workaround where not supported:
* \li lambda functions - disabled, these are only used in the test anyway.
* \li typesafe enums - replaced with enum where comparisons needed.
* \li nullptr - defined to null.
*
* As of the port to version 3.1 (libzmqpp version 1.1.0) this file will also
* be used to maintain compatablity with multiple versions of 0mq
*/
#ifndef ZMQPP_COMPATIBILITY_HPP_
#define ZMQPP_COMPATIBILITY_HPP_
#include <zmq.h>
// Currently we require at least 0mq version 2.2.x
#define ZMQPP_REQUIRED_ZMQ_MAJOR 2
#define ZMQPP_REQUIRED_ZMQ_MINOR 2
#if (ZMQ_VERSION_MAJOR < ZMQPP_REQUIRED_ZMQ_MAJOR) or ((ZMQ_VERSION_MAJOR == ZMQPP_REQUIRED_ZMQ_MAJOR) and (ZMQ_VERSION_MINOR < ZMQPP_REQUIRED_ZMQ_MINOR))
#error zmqpp requires a later version of 0mq
#endif
// Experimental feature support
#if (ZMQ_VERSION_MAJOR == 3) and (ZMQ_VERSION_MINOR == 0)
#define ZMQ_EXPERIMENTAL_LABELS
#endif
// Deal with older versions of gcc
#if defined(__GNUC__) and !defined(__clang__)
#if __GNUC__ == 4
// Deal with older gcc not supporting C++0x typesafe enum class name {} comparison
#if __GNUC_MINOR__ < 4
#define ZMQPP_COMPARABLE_ENUM enum
#endif
#if __GNUC_MINOR__ == 4
#if __GNUC_PATCHLEVEL__ < 1
#undef ZMQPP_COMPARABLE_ENUM
#define ZMQPP_COMPARABLE_ENUM enum
#endif // if __GNUC_PATCHLEVEL__ < 1
#endif // if __GNUC_MINOR__ == 4
// Deal with older gcc not supporting C++0x lambda function
#if __GNUC_MINOR__ < 5
#define ZMQPP_IGNORE_LAMBDA_FUNCTION_TESTS
#define ZMQPP_EXPLICITLY_DELETED
#endif // if __GNUC_MINOR__ < 5
// Deal with older gcc not supporting C++0x nullptr
#if __GNUC_MINOR__ < 6
#define nullptr NULL
#define noexcept
#endif // if __GNUC_MINOR__ < 6
#endif // if __GNUC_ == 4
#endif // if defined(__GNUC__) && !defined(__clang__)
// Generic state, assume a modern compiler
#ifndef ZMQPP_COMPARABLE_ENUM
#define ZMQPP_COMPARABLE_ENUM enum class
#endif
#ifndef ZMQPP_EXPLICITLY_DELETED
#define ZMQPP_EXPLICITLY_DELETED = delete
#endif
#endif /* ZMQPP_COMPATIBILITY_HPP_ */
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