2026-01-07 mdbx++: fix _GLIBCXX_USE_CXX11_ABI crutch.

erthink · erthink · commit a4c71f2faae7 · 2026-01-07T20:42:02.000+03:00
diff --git a/VERSION.json b/VERSION.json
@@ -1 +1 @@
-{ "git_describe": "v0.14.1-256-g6e4093ad", "git_timestamp": "2026-01-07T15:15:51+03:00", "git_tree": "62e44b0432d3caeb13be585a6e41c2243e35fcaf", "git_commit": "6e4093ad3749c0d46f3585ef38c3a7260e5b2dd8", "semver": "0.14.1.256" }
+{ "git_describe": "v0.14.1-256-gcac933b3", "git_timestamp": "2026-01-07T20:40:30+03:00", "git_tree": "918327726c96b986b250947056a24d6fd366202a", "git_commit": "cac933b385aeb445a9b560d8150cd9bc88c136a7", "semver": "0.14.1.256" }
diff --git a/mdbx.c b/mdbx.c
@@ -4,7 +4,7 @@
 
 #define xMDBX_ALLOY 1  /* alloyed build */
 
-#define MDBX_BUILD_SOURCERY 3d0786aca27f270572b5c0bfe28f74832e60f52ff9ca5510d3449b4e443d594b_v0_14_1_256_g6e4093ad
+#define MDBX_BUILD_SOURCERY f48e0474ff27b7e386590f7785788a7509bb7bf22024277bf6cb0bb7350363bb_v0_14_1_256_gcac933b3
 
 #define LIBMDBX_INTERNALS
 #define MDBX_DEPRECATED
@@ -40431,7 +40431,7 @@ __dll_export
         256,
         "", /* pre-release suffix of SemVer
                                         0.14.1.256 */
-        {"2026-01-07T15:15:51+03:00", "62e44b0432d3caeb13be585a6e41c2243e35fcaf", "6e4093ad3749c0d46f3585ef38c3a7260e5b2dd8", "v0.14.1-256-g6e4093ad"},
+        {"2026-01-07T20:40:30+03:00", "918327726c96b986b250947056a24d6fd366202a", "cac933b385aeb445a9b560d8150cd9bc88c136a7", "v0.14.1-256-gcac933b3"},
         sourcery};
 
 __dll_export
diff --git a/mdbx.c++ b/mdbx.c++
@@ -2,7 +2,7 @@
 /// \author Леонид Юрьев aka Leonid Yuriev <leo@yuriev.ru> \date 2015-2026
 /* clang-format off */
 
-#define MDBX_BUILD_SOURCERY 3d0786aca27f270572b5c0bfe28f74832e60f52ff9ca5510d3449b4e443d594b_v0_14_1_256_g6e4093ad
+#define MDBX_BUILD_SOURCERY f48e0474ff27b7e386590f7785788a7509bb7bf22024277bf6cb0bb7350363bb_v0_14_1_256_gcac933b3
 
 #define LIBMDBX_INTERNALS
 #define MDBX_DEPRECATED
@@ -8312,7 +8312,8 @@ bool from_base64::is_erroneous() const noexcept {
 
 MDBX_INSTALL_API_TEMPLATE(LIBMDBX_API_TYPE, buffer<legacy_allocator>);
 
-#if defined(__cpp_lib_memory_resource) && __cpp_lib_memory_resource >= 201603L && _GLIBCXX_USE_CXX11_ABI
+#if defined(__cpp_lib_memory_resource) && __cpp_lib_memory_resource >= 201603L &&                                      \
+    (!defined(_GLIBCXX_USE_CXX11_ABI) || _GLIBCXX_USE_CXX11_ABI)
 MDBX_INSTALL_API_TEMPLATE(LIBMDBX_API_TYPE, buffer<polymorphic_allocator>);
 #endif /* __cpp_lib_memory_resource >= 201603L */
 
diff --git a/mdbx.h++ b/mdbx.h++
@@ -2659,7 +2659,8 @@ inline string<ALLOCATOR> make_string(const PRODUCER &producer, const ALLOCATOR &
 
 MDBX_EXTERN_API_TEMPLATE(LIBMDBX_API_TYPE, buffer<legacy_allocator>);
 
-#if defined(__cpp_lib_memory_resource) && __cpp_lib_memory_resource >= 201603L && _GLIBCXX_USE_CXX11_ABI
+#if defined(__cpp_lib_memory_resource) && __cpp_lib_memory_resource >= 201603L &&                                      \
+    (!defined(_GLIBCXX_USE_CXX11_ABI) || _GLIBCXX_USE_CXX11_ABI)
 MDBX_EXTERN_API_TEMPLATE(LIBMDBX_API_TYPE, buffer<polymorphic_allocator>);
 #endif /* __cpp_lib_memory_resource >= 201603L */
 
diff --git a/mdbx_chk.c b/mdbx_chk.c
@@ -18,7 +18,7 @@
 /// \copyright SPDX-License-Identifier: Apache-2.0
 /// \author Леонид Юрьев aka Leonid Yuriev <leo@yuriev.ru> \date 2015-2026
 
-#define MDBX_BUILD_SOURCERY 3d0786aca27f270572b5c0bfe28f74832e60f52ff9ca5510d3449b4e443d594b_v0_14_1_256_g6e4093ad
+#define MDBX_BUILD_SOURCERY f48e0474ff27b7e386590f7785788a7509bb7bf22024277bf6cb0bb7350363bb_v0_14_1_256_gcac933b3
 
 #define LIBMDBX_INTERNALS
 #define MDBX_DEPRECATED
diff --git a/mdbx_copy.c b/mdbx_copy.c
@@ -18,7 +18,7 @@
 /// \copyright SPDX-License-Identifier: Apache-2.0
 /// \author Леонид Юрьев aka Leonid Yuriev <leo@yuriev.ru> \date 2015-2026
 
-#define MDBX_BUILD_SOURCERY 3d0786aca27f270572b5c0bfe28f74832e60f52ff9ca5510d3449b4e443d594b_v0_14_1_256_g6e4093ad
+#define MDBX_BUILD_SOURCERY f48e0474ff27b7e386590f7785788a7509bb7bf22024277bf6cb0bb7350363bb_v0_14_1_256_gcac933b3
 
 #define LIBMDBX_INTERNALS
 #define MDBX_DEPRECATED
diff --git a/mdbx_drop.c b/mdbx_drop.c
@@ -18,7 +18,7 @@
 /// \copyright SPDX-License-Identifier: Apache-2.0
 /// \author Леонид Юрьев aka Leonid Yuriev <leo@yuriev.ru> \date 2015-2026
 
-#define MDBX_BUILD_SOURCERY 3d0786aca27f270572b5c0bfe28f74832e60f52ff9ca5510d3449b4e443d594b_v0_14_1_256_g6e4093ad
+#define MDBX_BUILD_SOURCERY f48e0474ff27b7e386590f7785788a7509bb7bf22024277bf6cb0bb7350363bb_v0_14_1_256_gcac933b3
 
 #define LIBMDBX_INTERNALS
 #define MDBX_DEPRECATED
diff --git a/mdbx_dump.c b/mdbx_dump.c
@@ -18,7 +18,7 @@
 /// \copyright SPDX-License-Identifier: Apache-2.0
 /// \author Леонид Юрьев aka Leonid Yuriev <leo@yuriev.ru> \date 2015-2026
 
-#define MDBX_BUILD_SOURCERY 3d0786aca27f270572b5c0bfe28f74832e60f52ff9ca5510d3449b4e443d594b_v0_14_1_256_g6e4093ad
+#define MDBX_BUILD_SOURCERY f48e0474ff27b7e386590f7785788a7509bb7bf22024277bf6cb0bb7350363bb_v0_14_1_256_gcac933b3
 
 #define LIBMDBX_INTERNALS
 #define MDBX_DEPRECATED
diff --git a/mdbx_load.c b/mdbx_load.c
@@ -18,7 +18,7 @@
 /// \copyright SPDX-License-Identifier: Apache-2.0
 /// \author Леонид Юрьев aka Leonid Yuriev <leo@yuriev.ru> \date 2015-2026
 
-#define MDBX_BUILD_SOURCERY 3d0786aca27f270572b5c0bfe28f74832e60f52ff9ca5510d3449b4e443d594b_v0_14_1_256_g6e4093ad
+#define MDBX_BUILD_SOURCERY f48e0474ff27b7e386590f7785788a7509bb7bf22024277bf6cb0bb7350363bb_v0_14_1_256_gcac933b3
 
 #define LIBMDBX_INTERNALS
 #define MDBX_DEPRECATED
diff --git a/mdbx_stat.c b/mdbx_stat.c
@@ -18,7 +18,7 @@
 /// \copyright SPDX-License-Identifier: Apache-2.0
 /// \author Леонид Юрьев aka Leonid Yuriev <leo@yuriev.ru> \date 2015-2026
 
-#define MDBX_BUILD_SOURCERY 3d0786aca27f270572b5c0bfe28f74832e60f52ff9ca5510d3449b4e443d594b_v0_14_1_256_g6e4093ad
+#define MDBX_BUILD_SOURCERY f48e0474ff27b7e386590f7785788a7509bb7bf22024277bf6cb0bb7350363bb_v0_14_1_256_gcac933b3
 
 #define LIBMDBX_INTERNALS
 #define MDBX_DEPRECATED
diff --git a/ut_and_examples/CMakeLists.txt b/ut_and_examples/CMakeLists.txt
@@ -7,13 +7,11 @@ if(NOT DEFINED MDBX_LIBRARY)
   set(MDBX_LIBRARY mdbx)
 endif()
 
-if(MDBX_BUILD_CXX AND CMAKE_CXX_COMPILER_LOADED AND NOT MDBX_CXX_STANDARD LESS 17)
+if(MDBX_BUILD_CXX AND CMAKE_CXX_COMPILER_LOADED AND NOT MDBX_CXX_STANDARD LESS 20)
   add_executable(mdbx_modern_example example-mdbx.c++)
-  set_target_properties(mdbx_modern_example PROPERTIES CXX_STANDARD ${MDBX_CXX_STANDARD} CXX_STANDARD_REQUIRED ON)
   target_link_libraries(mdbx_modern_example ${MDBX_LIBRARY})
 else()
-  message(NOTICE "The C++ example will be skipped, since C++17 standard is unavailable or C++ API of libmdbx was disabled.")
-  set(MDBX_BUILD_CXX FALSE)
+  message(NOTICE "The C++ example will be skipped, since C++20 standard is unavailable or C++ API of libmdbx was disabled.")
 endif()
 
 add_executable(mdbx_legacy_example example-mdbx.c)
@@ -25,7 +23,7 @@ if(CMAKE_CROSSCOMPILING AND NOT CMAKE_CROSSCOMPILING_EMULATOR)
                                                               "No emulator to run cross-compiled tests")
 else()
   add_test(NAME c_api COMMAND mdbx_legacy_example)
-  if(MDBX_BUILD_CXX)
+  if(MDBX_BUILD_CXX AND CMAKE_CXX_COMPILER_LOADED AND NOT MDBX_CXX_STANDARD LESS 20)
     add_test(NAME c++_api COMMAND mdbx_modern_example)
   endif()
 endif()

Original file line number	Diff line number	Diff line change
`@@ -1 +1 @@`
`1`		`-{ "git_describe": "v0.14.1-256-g6e4093ad", "git_timestamp": "2026-01-07T15:15:51+03:00", "git_tree": "62e44b0432d3caeb13be585a6e41c2243e35fcaf", "git_commit": "6e4093ad3749c0d46f3585ef38c3a7260e5b2dd8", "semver": "0.14.1.256" }`
	`1`	`+{ "git_describe": "v0.14.1-256-gcac933b3", "git_timestamp": "2026-01-07T20:40:30+03:00", "git_tree": "918327726c96b986b250947056a24d6fd366202a", "git_commit": "cac933b385aeb445a9b560d8150cd9bc88c136a7", "semver": "0.14.1.256" }`