mirror of https://github.com/facebook/rocksdb.git
31 lines
1.1 KiB
C++
31 lines
1.1 KiB
C++
// Copyright (c) 2017-present, Facebook, Inc. All rights reserved.
|
|
// This source code is licensed under both the GPLv2 (found in the
|
|
// COPYING file in the root directory) and Apache 2.0 License
|
|
// (found in the LICENSE.Apache file in the root directory).
|
|
|
|
#pragma once
|
|
#include <gflags/gflags.h>
|
|
|
|
#include <functional>
|
|
|
|
#ifndef GFLAGS_NAMESPACE
|
|
// in case it's not defined in old versions, that's probably because it was
|
|
// still google by default.
|
|
#define GFLAGS_NAMESPACE google
|
|
#endif
|
|
|
|
#ifndef DEFINE_uint32
|
|
// DEFINE_uint32 does not appear in older versions of gflags. This should be
|
|
// a sane definition for those versions.
|
|
#include <cstdint>
|
|
#define DEFINE_uint32(name, val, txt) \
|
|
namespace gflags_compat { \
|
|
DEFINE_int32(name, val, txt); \
|
|
} \
|
|
std::reference_wrapper<uint32_t> FLAGS_##name = \
|
|
std::ref(*reinterpret_cast<uint32_t *>(&gflags_compat::FLAGS_##name));
|
|
|
|
#define DECLARE_uint32(name) \
|
|
extern std::reference_wrapper<uint32_t> FLAGS_##name;
|
|
#endif // !DEFINE_uint32
|