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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-21 11:54:28 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-21 11:54:28 +0000 |
commit | e6918187568dbd01842d8d1d2c808ce16a894239 (patch) | |
tree | 64f88b554b444a49f656b6c656111a145cbbaa28 /src/rocksdb/util/gflags_compat.h | |
parent | Initial commit. (diff) | |
download | ceph-e6918187568dbd01842d8d1d2c808ce16a894239.tar.xz ceph-e6918187568dbd01842d8d1d2c808ce16a894239.zip |
Adding upstream version 18.2.2.upstream/18.2.2
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/rocksdb/util/gflags_compat.h')
-rw-r--r-- | src/rocksdb/util/gflags_compat.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/src/rocksdb/util/gflags_compat.h b/src/rocksdb/util/gflags_compat.h new file mode 100644 index 000000000..b6f88a5bc --- /dev/null +++ b/src/rocksdb/util/gflags_compat.h @@ -0,0 +1,30 @@ +// 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 |