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mdbx++: disable using C++20 concepts for CLANG < 12.

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This commit is contained in:
Leonid Yuriev 2021-07-26 05:16:29 +03:00
parent a9e99241b7
commit a8115267a6
1 changed files with 9 additions and 3 deletions
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12
mdbx.h++
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@ -192,7 +192,9 @@
#endif /* MDBX_CXX20_UNLIKELY */
#ifndef MDBX_CXX20_CONCEPT
#if defined(DOXYGEN) || (defined(__cpp_concepts) && __cpp_concepts >= 201907L)
#if defined(DOXYGEN) || \
(defined(__cpp_concepts) && __cpp_concepts >= 201907L && \
(!defined(__clang__) || __clang_major__ >= 12))
#define MDBX_CXX20_CONCEPT(CONCEPT, NAME) CONCEPT NAME
#else
#define MDBX_CXX20_CONCEPT(CONCEPT, NAME) typename NAME
@ -200,7 +202,9 @@
#endif /* MDBX_CXX20_CONCEPT */
#ifndef MDBX_ASSERT_CXX20_CONCEPT_SATISFIED
#if defined(DOXYGEN) || (defined(__cpp_concepts) && __cpp_concepts >= 201907L)
#if defined(DOXYGEN) || \
(defined(__cpp_concepts) && __cpp_concepts >= 201907L && \
(!defined(__clang__) || __clang_major__ >= 12))
#define MDBX_ASSERT_CXX20_CONCEPT_SATISFIED(CONCEPT, TYPE) \
static_assert(CONCEPT<TYPE>)
#else
@ -466,7 +470,9 @@ static MDBX_CXX20_CONSTEXPR void *memcpy(void *dest, const void *src,
size_t bytes) noexcept;
//------------------------------------------------------------------------------
#if defined(DOXYGEN) || (defined(__cpp_concepts) && __cpp_concepts >= 201907L)
#if defined(DOXYGEN) || \
(defined(__cpp_concepts) && __cpp_concepts >= 201907L && \
(!defined(__clang__) || __clang_major__ >= 12))
template <typename T>
concept MutableByteProducer = requires(T a, char array[42]) {