From 22732cf074188912caea6da6795c36098efb7eb5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=D0=9B=D0=B5=D0=BE=D0=BD=D0=B8=D0=B4=20=D0=AE=D1=80=D1=8C?=
 =?UTF-8?q?=D0=B5=D0=B2=20=28Leonid=20Yuriev=29?= <leo@yuriev.ru>
Date: Mon, 23 Oct 2023 18:07:13 +0300
Subject: [PATCH] package/libmdbx: new package (library/database).
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This patch adds libmdbx:
 - libmdbx is one of the fastest compact embeddable key-value ACID database.
 - libmdbx has a specific set of properties and capabilities,
   focused on creating unique lightweight solutions.
 - libmdbx surpasses the legendary LMDB (Lightning Memory-Mapped Database)
   in terms of reliability, features and performance.
 - more information at https://gitflic.ru/project/erthink/libmdbx

The v0.12.10 "SEM" is stable release of _libmdbx_ branch with new superior features,
in memory of the Hero of Russia Guard Major Dmitry Semenov with the call sign "SEM".

The complete ChangeLog: https://gitflic.ru/project/erthink/libmdbx/blob?file=ChangeLog.md

Signed-off-by: Леонид Юрьев (Leonid Yuriev) <leo@yuriev.ru>
---
 DEVELOPERS                   |  3 +++
 package/Config.in            |  1 +
 package/libmdbx/Config.in    | 45 ++++++++++++++++++++++++++++++++++++
 package/libmdbx/libmdbx.hash |  5 ++++
 package/libmdbx/libmdbx.mk   | 42 +++++++++++++++++++++++++++++++++
 5 files changed, 96 insertions(+)
 create mode 100644 package/libmdbx/Config.in
 create mode 100644 package/libmdbx/libmdbx.hash
 create mode 100644 package/libmdbx/libmdbx.mk

diff --git a/DEVELOPERS b/DEVELOPERS
index 9ab1e125f4..758ff6a2d5 100644
--- a/DEVELOPERS
+++ b/DEVELOPERS
@@ -1482,6 +1482,9 @@ N:	Leon Anavi <leon.anavi@konsulko.com>
 F:	board/olimex/a10_olinuxino
 F:	configs/olimex_a10_olinuxino_lime_defconfig
 
+N:	Leonid Yuriev <leo@yuriev.ru>
+F:	package/libmdbx/
+
 N:	Lionel Flandrin <lionel@svkt.org>
 F:	package/python-babel/
 F:	package/python-daemonize/
diff --git a/package/Config.in b/package/Config.in
index 016a99ed1a..a6f95bfaa9 100644
--- a/package/Config.in
+++ b/package/Config.in
@@ -1372,6 +1372,7 @@ menu "Database"
 	source "package/kompexsqlite/Config.in"
 	source "package/leveldb/Config.in"
 	source "package/libgit2/Config.in"
+	source "package/libmdbx/Config.in"
 	source "package/libodb/Config.in"
 	source "package/libodb-boost/Config.in"
 	source "package/libodb-mysql/Config.in"
diff --git a/package/libmdbx/Config.in b/package/libmdbx/Config.in
new file mode 100644
index 0000000000..a9a4ac45c5
--- /dev/null
+++ b/package/libmdbx/Config.in
@@ -0,0 +1,45 @@
+config BR2_PACKAGE_LIBMDBX
+	bool "libmdbx"
+	depends on BR2_USE_MMU
+	depends on BR2_TOOLCHAIN_HAS_SYNC_4
+	depends on BR2_TOOLCHAIN_HAS_THREADS
+	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_4_4
+	help
+	  One of the fastest compact key-value ACID database
+	  without WAL. libmdbx has a specific set of properties
+	  and capabilities, focused on creating unique lightweight
+	  solutions.
+
+	  libmdbx surpasses the legendary LMDB in terms of
+	  reliability, features and performance.
+
+	  https://libmdbx.dqdkfa.ru
+
+if BR2_PACKAGE_LIBMDBX
+
+config BR2_PACKAGE_LIBMDBX_TOOLS
+	bool "install tools"
+	help
+	  Install libmdbx tools for checking, dump, restore
+	  and show statistics of databases.
+
+config BR2_PACKAGE_LIBMDBX_CXX
+	bool "C++ API"
+	depends on BR2_INSTALL_LIBSTDCPP
+	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_4_8
+	depends on !BR2_TOOLCHAIN_HAS_GCC_BUG_64735
+	help
+	  Enable modern C++11/14/17/20 API for libmdbx.
+
+comment "libmdbx C++ support needs a toolchain w/ C++11, gcc >= 4.8 w/o bug#64735"
+	depends on !BR2_INSTALL_LIBSTDCPP || \
+		!BR2_TOOLCHAIN_GCC_AT_LEAST_4_8 || \
+		BR2_TOOLCHAIN_HAS_GCC_BUG_64735
+
+endif
+
+comment "libmdbx needs MMU, a toolchain w/ threads, gcc >= 4.4 w/ 4-byte atomics"
+	depends on BR2_USE_MMU
+	depends on !BR2_TOOLCHAIN_HAS_THREADS || \
+		!BR2_TOOLCHAIN_HAS_SYNC_4 || \
+		!BR2_TOOLCHAIN_GCC_AT_LEAST_4_4
diff --git a/package/libmdbx/libmdbx.hash b/package/libmdbx/libmdbx.hash
new file mode 100644
index 0000000000..1dbdef7c69
--- /dev/null
+++ b/package/libmdbx/libmdbx.hash
@@ -0,0 +1,5 @@
+# Hashes from: https://libmdbx.dqdkfa.ru/release/SHA256SUMS
+sha256  4637e06768a9a8fc7577e6e458e045ad1f9a8baee74996a3c88bc0ad64cbcf67  libmdbx-amalgamated-0.12.10.tar.xz
+
+# Locally calculated
+sha256  310fe25c858a9515fc8c8d7d1f24a67c9496f84a91e0a0e41ea9975b1371e569  LICENSE
diff --git a/package/libmdbx/libmdbx.mk b/package/libmdbx/libmdbx.mk
new file mode 100644
index 0000000000..36df45b64f
--- /dev/null
+++ b/package/libmdbx/libmdbx.mk
@@ -0,0 +1,42 @@
+################################################################################
+#
+# libmdbx
+#
+################################################################################
+
+LIBMDBX_VERSION = 0.12.10
+LIBMDBX_SOURCE = libmdbx-amalgamated-$(LIBMDBX_VERSION).tar.xz
+LIBMDBX_SITE = https://libmdbx.dqdkfa.ru/release
+LIBMDBX_SUPPORTS_IN_SOURCE_BUILD = NO
+LIBMDBX_LICENSE = OLDAP-2.8
+LIBMDBX_LICENSE_FILES = LICENSE
+LIBMDBX_REDISTRIBUTE = YES
+LIBMDBX_STRIP_COMPONENTS = 0
+LIBMDBX_INSTALL_STAGING = YES
+
+# Set CMAKE_BUILD_TYPE to Release to remove -Werror and avoid a build failure
+# with glibc < 2.12
+LIBMDBX_CONF_OPTS = \
+	-DCMAKE_BUILD_TYPE=Release \
+	-DMDBX_INSTALL_MANPAGES=OFF \
+	-DBUILD_FOR_NATIVE_CPU=OFF \
+	-DMDBX_BUILD_CXX=$(if $(BR2_PACKAGE_LIBMDBX_CXX),ON,OFF) \
+	-DMDBX_BUILD_TOOLS=$(if $(BR2_PACKAGE_LIBMDBX_TOOLS),ON,OFF)
+
+ifeq ($(BR2_STATIC_LIBS)$(BR2_SHARED_STATIC_LIBS),y)
+LIBMDBX_CONF_OPTS += -DMDBX_INSTALL_STATIC=ON
+else
+LIBMDBX_CONF_OPTS += -DMDBX_INSTALL_STATIC=OFF
+endif
+
+ifeq ($(BR2_SHARED_LIBS)$(BR2_SHARED_STATIC_LIBS),y)
+LIBMDBX_CONF_OPTS += \
+	-DMDBX_BUILD_SHARED_LIBRARY=ON \
+	-DMDBX_LINK_TOOLS_NONSTATIC=ON
+else
+LIBMDBX_CONF_OPTS += \
+	-DMDBX_BUILD_SHARED_LIBRARY=OFF \
+	-DMDBX_LINK_TOOLS_NONSTATIC=OFF
+endif
+
+$(eval $(cmake-package))
-- 
2.43.2