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25 lines
755 B
25 lines
755 B
// Copyright The OpenTelemetry Authors |
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// SPDX-License-Identifier: Apache-2.0 |
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// NOTE - code within detail namespace implements internal details, and not part |
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// of the public interface. |
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#pragma once |
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#define OPENTELEMETRY_STRINGIFY(S) OPENTELEMETRY_STRINGIFY_(S) |
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#define OPENTELEMETRY_STRINGIFY_(S) #S |
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#define OPENTELEMETRY_CONCAT(A, B) OPENTELEMETRY_CONCAT_(A, B) |
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#define OPENTELEMETRY_CONCAT_(A, B) A##B |
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// Import the C++20 feature-test macros |
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#ifdef __has_include |
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# if __has_include(<version>) |
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# include <version> |
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# endif |
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#elif defined(_MSC_VER) && ((defined(__cplusplus) && __cplusplus >= 202002L) || \ |
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(defined(_MSVC_LANG) && _MSVC_LANG >= 202002L)) |
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# if _MSC_VER >= 1922 |
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# include <version> |
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# endif |
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#endif
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