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mdbx: fix compilation with devtoolset-9 on CentOS/RHEL 7.

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devtoolset is always using the old ABI
https://bugzilla.redhat.com/show_bug.cgi?id=1546704
https://stackoverflow.com/questions/49393888/how-can-i-use-the-new-c-11-abi-with-devtoolset-7-on-centos-rhel
This commit is contained in:
sasgas 2021-11-09 11:29:01 +09:00 committed by Leonid Yuriev
parent 6ecadba69a
commit 74d5a42578
2 changed files with 4 additions and 2 deletions
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3
mdbx.h++
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@ -286,7 +286,8 @@ class cursor;
class cursor_managed;
#if defined(DOXYGEN) || \
defined(__cpp_lib_memory_resource) && __cpp_lib_memory_resource >= 201603L
(defined(__cpp_lib_memory_resource) && \
__cpp_lib_memory_resource >= 201603L && _GLIBCXX_USE_CXX11_ABI)
/// \brief Default polymorphic allocator for modern code.
using polymorphic_allocator = ::std::pmr::string::allocator_type;
#endif /* __cpp_lib_memory_resource >= 201603L */

3
src/mdbx.c++
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@ -992,7 +992,8 @@ bool from_base64::is_erroneous() const noexcept {
template class LIBMDBX_API_TYPE buffer<legacy_allocator>;
#if defined(__cpp_lib_memory_resource) && __cpp_lib_memory_resource >= 201603L
#if defined(__cpp_lib_memory_resource) && \
__cpp_lib_memory_resource >= 201603L && _GLIBCXX_USE_CXX11_ABI
template class LIBMDBX_API_TYPE buffer<polymorphic_allocator>;
#endif /* __cpp_lib_memory_resource >= 201603L */