ISAR/libmdbx
3
0
Fork 0
mirror of https://github.com/isar/libmdbx.git synced 2025-01-02 00:34:13 +08:00
Code Issues Packages Projects Releases Wiki Activity

mdbx++: use C++20 concepts only when __cpp_lib_concepts >= 202002.

Browse Source
This commit is contained in:
Леонид Юрьев (Leonid Yuriev) 2022-06-12 20:20:23 +03:00
parent cdfaad18a2
commit 280fa99831
1 changed files with 2 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
mdbx.h++
View File

@ -224,17 +224,12 @@
#ifndef MDBX_HAVE_CXX20_CONCEPTS #ifndef MDBX_HAVE_CXX20_CONCEPTS
#if defined(DOXYGEN) || \ #if defined(DOXYGEN) || \
(defined(__cpp_concepts) && __cpp_concepts >= 201907L && \ (defined(__cpp_lib_concepts) && __cpp_lib_concepts >= 202002L)
(!defined(__clang__) || __has_include(<concepts>) || \
(defined(__cpp_lib_concepts) && __cpp_lib_concepts >= 202002L)))
#if __has_include(<concepts>) || \
(defined(__cpp_lib_concepts) && __cpp_lib_concepts >= 202002L)
#include <concepts> #include <concepts>
#endif /* <concepts> */
#define MDBX_HAVE_CXX20_CONCEPTS 1 #define MDBX_HAVE_CXX20_CONCEPTS 1
#else #else
#define MDBX_HAVE_CXX20_CONCEPTS 0 #define MDBX_HAVE_CXX20_CONCEPTS 0
#endif #endif /* <concepts> */
#endif /* MDBX_HAVE_CXX20_CONCEPTS */ #endif /* MDBX_HAVE_CXX20_CONCEPTS */
#ifndef MDBX_CXX20_CONCEPT #ifndef MDBX_CXX20_CONCEPT