mdbx: поддержка Conan.

GNUmakefile

@@ -54,6 +54,8 @@ CFLAGS_EXTRA ?=
 LD      ?= ld
 CMAKE	?= cmake
 CMAKE_OPT ?=
+# target directory for `make dist`
+DIST_DIR ?= dist
 
 # build options
 MDBX_BUILD_OPTIONS   ?=-DNDEBUG=1
@@ -648,11 +650,11 @@ release-assets: libmdbx-amalgamated-$(MDBX_GIT_3DOT).zpaq \
 		|| (echo 'ERROR: Is not a valid release because not in the clean state with a suitable annotated tag!!!' >&2 && false)) \
 	&& echo '  RELEASE ASSETS are done'
 
-@dist-checked.tag: $(addprefix dist/, $(DIST_SRC) $(DIST_EXTRA))
+@dist-checked.tag: $(addprefix $(DIST_DIR)/, $(DIST_SRC) $(DIST_EXTRA))
 	@echo -n '  VERIFY amalgamated sources...'
-	$(QUIET)rm -rf $@ dist/@tmp-essentials.inc dist/@tmp-internals.inc \
+	$(QUIET)rm -rf $@ $(DIST_DIR)/@tmp-essentials.inc $(DIST_DIR)/@tmp-internals.inc \
 	&& if grep -R "define xMDBX_ALLOY" dist | grep -q MDBX_BUILD_SOURCERY; then echo "sed output is WRONG!" >&2; exit 2; fi \
-	&& rm -rf @dist-check && cp -r -p dist @dist-check && ($(MAKE) -j IOARENA=false CXXSTD=$(CXXSTD) -C @dist-check all ninja >@dist-check.log 2>@dist-check.err || (cat @dist-check.err && exit 1)) \
+	&& rm -rf @dist-check && cp -r -p $(DIST_DIR) @dist-check && ($(MAKE) -j IOARENA=false CXXSTD=$(CXXSTD) -C @dist-check all ninja >@dist-check.log 2>@dist-check.err || (cat @dist-check.err && exit 1)) \
 	&& touch $@ || (echo " FAILED! See @dist-check.log and @dist-check.err" >&2; exit 2) && echo " Ok"
 
 %.tar.gz: @dist-checked.tag
@@ -675,7 +677,7 @@ release-assets: libmdbx-amalgamated-$(MDBX_GIT_3DOT).zpaq \
 	@echo '  CREATE $@'
 	$(QUIET)rm -rf $@ && (cd dist && zpaq a ../$@ $(DIST_SRC) $(DIST_EXTRA) -m59) &>@zpaq.log
 
-dist/@tmp-essentials.inc: src/version.c $(ALLOY_DEPS) $(lastword $(MAKEFILE_LIST))
+$(DIST_DIR)/@tmp-essentials.inc: src/version.c $(ALLOY_DEPS) $(lastword $(MAKEFILE_LIST))
 	@echo '  ALLOYING...'
 	$(QUIET)mkdir -p dist \
 	&& (grep -v '#include ' src/alloy.c && echo '#define MDBX_BUILD_SOURCERY $(MDBX_BUILD_SOURCERY)' \
@@ -696,8 +698,8 @@ dist/@tmp-essentials.inc: src/version.c $(ALLOY_DEPS) $(lastword $(MAKEFILE_LIST
 		-e '/ clang-format o/d' -e '/ \*INDENT-O/d' \
 		| grep -v '^/// ') >$@
 
-dist/@tmp-internals.inc: dist/@tmp-essentials.inc src/version.c $(ALLOY_DEPS) $(lastword $(MAKEFILE_LIST))
+$(DIST_DIR)/@tmp-internals.inc: $(DIST_DIR)/@tmp-essentials.inc src/version.c $(ALLOY_DEPS) $(lastword $(MAKEFILE_LIST))
-	$(QUIET)(cat dist/@tmp-essentials.inc \
+	$(QUIET)(cat $(DIST_DIR)/@tmp-essentials.inc \
 	&& sed \
 		-e '/#include "essentials.h"/d' \
 		-e '/#include "atomics-ops.h"/r src/atomics-ops.h' \
@@ -725,28 +727,28 @@ dist/@tmp-internals.inc: dist/@tmp-essentials.inc src/version.c $(ALLOY_DEPS) $(
 		-e '/ clang-format o/d' -e '/ \*INDENT-O/d' \
 		| grep -v '^/// ') >$@
 
-dist/mdbx.c: dist/@tmp-internals.inc $(lastword $(MAKEFILE_LIST))
+$(DIST_DIR)/mdbx.c: $(DIST_DIR)/@tmp-internals.inc $(lastword $(MAKEFILE_LIST))
 	@echo '  MAKE $@'
-	$(QUIET)(cat dist/@tmp-internals.inc $(shell git ls-files src/*.c | grep -v alloy) src/version.c | sed \
+	$(QUIET)(cat $(DIST_DIR)/@tmp-internals.inc $(shell git ls-files src/*.c | grep -v alloy) src/version.c | sed \
 		-e '/#include "debug_begin.h"/r src/debug_begin.h' \
 		-e '/#include "debug_end.h"/r src/debug_end.h' \
 	) | sed -e '/#include "/d;/#pragma once/d' -e 's|@INCLUDE|#include|' \
 		-e '/ clang-format o/d;/ \*INDENT-O/d' -e '3i /* clang-format off */' | cat -s >$@
 
-dist/mdbx.c++: dist/@tmp-essentials.inc src/mdbx.c++ $(lastword $(MAKEFILE_LIST))
+$(DIST_DIR)/mdbx.c++: $(DIST_DIR)/@tmp-essentials.inc src/mdbx.c++ $(lastword $(MAKEFILE_LIST))
 	@echo '  MAKE $@'
-	$(QUIET)cat dist/@tmp-essentials.inc src/mdbx.c++ | sed \
+	$(QUIET)cat $(DIST_DIR)/@tmp-essentials.inc src/mdbx.c++ | sed \
 		-e '/#define xMDBX_ALLOY/d' \
 		-e '/#include "/d;/#pragma once/d' \
 		-e 's|@INCLUDE|#include|;s|"mdbx.h"|"mdbx.h++"|' \
 		-e '/ clang-format o/d;/ \*INDENT-O/d' -e '3i /* clang-format off */' | cat -s >$@
 
 define dist-tool-rule
-dist/mdbx_$(1).c: src/tools/$(1).c src/tools/wingetopt.h src/tools/wingetopt.c \
+$(DIST_DIR)/mdbx_$(1).c: src/tools/$(1).c src/tools/wingetopt.h src/tools/wingetopt.c \
-		dist/@tmp-internals.inc $(lastword $(MAKEFILE_LIST))
+		$(DIST_DIR)/@tmp-internals.inc $(lastword $(MAKEFILE_LIST))
 	@echo '  MAKE $$@'
 	$(QUIET)mkdir -p dist && sed \
-		-e '/#include "essentials.h"/r dist/@tmp-essentials.inc' \
+		-e '/#include "essentials.h"/r $(DIST_DIR)/@tmp-essentials.inc' \
 		-e '/#include "wingetopt.h"/r src/tools/wingetopt.c' \
 		-e '/ clang-format o/d' -e '/ \*INDENT-O/d' \
 		src/tools/$(1).c \
@@ -757,32 +759,32 @@ endef
 $(foreach file,$(TOOLS),$(eval $(call dist-tool-rule,$(file))))
 
 define dist-extra-rule
-dist/$(1): $(1) src/version.c $(lastword $(MAKEFILE_LIST))
+$(DIST_DIR)/$(1): $(1) src/version.c $(lastword $(MAKEFILE_LIST))
 	@echo '  REFINE $$@'
 	$(QUIET)mkdir -p $$(dir $$@) && sed -e '/^#> dist-cutoff-begin/,/^#< dist-cutoff-end/d' $$< | cat -s >$$@
 
 endef
 $(foreach file,mdbx.h mdbx.h++ $(filter-out man1/% VERSION.json .clang-format-ignore %.in ntdll.def,$(DIST_EXTRA)),$(eval $(call dist-extra-rule,$(file))))
 
-dist/VERSION.json: src/version.c
+$(DIST_DIR)/VERSION.json: src/version.c
 	@echo '  MAKE $@'
-	$(QUIET)mkdir -p dist/ && echo "{ \"git_describe\": \"$(MDBX_GIT_DESCRIBE)\", \"git_timestamp\": \"$(MDBX_GIT_TIMESTAMP)\", \"git_tree\": \"$(shell git show --no-patch --format=%T HEAD 2>&1)\", \"git_commit\": \"$(shell git show --no-patch --format=%H HEAD 2>&1)\", \"semver\": \"$(MDBX_VERSION_PURE)\" }" >$@
+	$(QUIET)mkdir -p $(DIST_DIR)/ && echo "{ \"git_describe\": \"$(MDBX_GIT_DESCRIBE)\", \"git_timestamp\": \"$(MDBX_GIT_TIMESTAMP)\", \"git_tree\": \"$(shell git show --no-patch --format=%T HEAD 2>&1)\", \"git_commit\": \"$(shell git show --no-patch --format=%H HEAD 2>&1)\", \"semver\": \"$(MDBX_VERSION_PURE)\" }" >$@
 
-dist/.clang-format-ignore: $(lastword $(MAKEFILE_LIST))
+$(DIST_DIR)/.clang-format-ignore: $(lastword $(MAKEFILE_LIST))
 	@echo '  MAKE $@'
 	$(QUIET)echo "$(filter-out %.h %h++,$(DIST_SRC))" | tr ' ' \\n > $@
 
-dist/ntdll.def: src/ntdll.def
+$(DIST_DIR)/ntdll.def: src/ntdll.def
 	@echo '  COPY $@'
-	$(QUIET)mkdir -p dist/ && cp $< $@
+	$(QUIET)mkdir -p $(DIST_DIR)/ && cp $< $@
 
-dist/config.h.in: src/config.h.in
+$(DIST_DIR)/config.h.in: src/config.h.in
 	@echo '  COPY $@'
-	$(QUIET)mkdir -p dist/ && cp $< $@
+	$(QUIET)mkdir -p $(DIST_DIR)/ && cp $< $@
 
-dist/man1/mdbx_%.1: src/man1/mdbx_%.1
+$(DIST_DIR)/man1/mdbx_%.1: src/man1/mdbx_%.1
 	@echo '  COPY $@'
-	$(QUIET)mkdir -p dist/man1/ && cp $< $@
+	$(QUIET)mkdir -p $(DIST_DIR)/man1/ && cp $< $@
 
 endif
 

conanfile.py

@@ -0,0 +1,323 @@
+import shutil
+import json
+import os
+import re
+import subprocess
+from conan.tools.files import rm
+from conan.tools.scm import Git
+from conan.tools.apple import is_apple_os
+from conan.tools.cmake import CMakeToolchain, CMake, cmake_layout, CMakeDeps
+from conan import ConanFile
+required_conan_version = '>=2.7'
+
+
+def semver_parse(s):
+    m = re.match('^v?(?P<major>0|[1-9]\d*)\.(?P<minor>0|[1-9]\d*)\.(?P<patch>0|[1-9]\d*)(\\.(?P<tweak>0|[1-9]\d*))?(?:-(?P<prerelease>(?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*)(?:\.(?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*))*))?(?:\+(?P<buildmetadata>[0-9a-zA-Z-]+(?:\.[0-9a-zA-Z-]+)*))?$', s)
+    return m.groupdict() if m else None
+
+
+def semver_string(semver):
+    s = str(semver['major']) + '.' + \
+        str(semver['minor']) + '.' + str(semver['patch'])
+    if not semver['tweak'] is None and semver['tweak'] != 0:
+        s += '.' + str(semver['tweak'])
+    if not semver['prerelease'] is None and semver['prerelease'] != '':
+        s += '-' + semver['prerelease']
+    return s
+
+
+def semver_string_with_buildmetadata(semver):
+    s = semver_string(semver)
+    if not semver['buildmetadata'] is None and semver['buildmetadata'] != '':
+        s += '+' + semver['buildmetadata']
+    return s
+
+
+class libmdbx(ConanFile):
+    name = 'mdbx'
+    package_type = 'library'
+    description = 'One of the fastest embeddable key-value ACID database without WAL. libmdbx surpasses the legendary LMDB in terms of reliability, features and performance.'
+    license = 'Apache-2.0'
+    author = 'Leo Yuriev <leo@yuriev.ru>'
+    homepage = 'https://libmdbx.dqdkfa.ru'
+    url = 'https://gitflic.ru/project/erthink/libmdbx.git'
+    topics = ('embedded-database', 'key-value', 'btree', 'LMDB', 'storage-engine',
+              'data-storage', 'nosql', 'ACID', 'MVCC', 'MDBX')
+    no_copy_source = True
+    test_type = 'explicit'
+    build_policy = 'missing'
+    revision_mode = 'scm'
+    languages = 'C', 'C++'
+    provides = 'libmdbx'
+    implements = ['auto_shared_fpic']
+    # upload_policy = 'skip'
+    # exports_sources = 'LICENSE', 'NOTICE', 'CMakeLists.txt', '*.h', '*.h++', '*.c', '*.c++', 'ntdll.def', 'man1/*', 'cmake/*', 'config.h.in'
+
+    settings = 'os', 'compiler', 'build_type', 'arch'
+    options = {
+        'mdbx.64bit_atomic': ['Auto', True, False],
+        'mdbx.64bit_cas': ['Auto', True, False],
+        'mdbx.apple.speed_insteadof_durability': ['Default', True, False],
+        'mdbx.avoid_msync': ['Auto', True, False],
+        'mdbx.build_cxx': ['Default', True, False],
+        'mdbx.build_tools': ['Default', True, False],
+        'mdbx.cacheline_size': ['Auto', 16, 32, 64, 128, 256],
+        'mdbx.disable_validation': ['Default', True, False],
+        'mdbx.enable_bigfoot': ['Default', True, False],
+        'mdbx.enable_dbi_lockfree': ['Default', True, False],
+        'mdbx.enable_dbi_sparse': ['Default', True, False],
+        'mdbx.enable_pgop_stat': ['Default', True, False],
+        'mdbx.enable_profgc': ['Default', True, False],
+        'mdbx.enable_refund': ['Default', True, False],
+        'mdbx.env_checkpid': ['Default', True, False],
+        'mdbx.force_assertions': ['Default', True, False],
+        'mdbx.have_builtin_cpu_supports': ['Auto', True, False],
+        'mdbx.locking': ['Auto', 'WindowsFileLocking', 'SystemV', 'POSIX1988', 'POSIX2001', 'POSIX2008'],
+        'mdbx.mmap_incoherent_file_write': ['Auto', True, False],
+        'mdbx.mmap_needs_jolt': ['Auto', True, False],
+        'mdbx.trust_rtc': ['Default', True, False],
+        'mdbx.txn_checkowner': ['Default', True, False],
+        'mdbx.unaligned_ok': ['Auto', True, False],
+        'mdbx.use_copyfilerange': ['Auto', True, False],
+        'mdbx.use_mincore': ['Auto', True, False],
+        'mdbx.use_ofdlocks': ['Auto', True, False],
+        'mdbx.use_sendfile': ['Auto', True, False],
+        'mdbx.without_msvc_crt': ['Default', True, False],
+        'shared': [True, False],
+    }
+    default_options = {
+        'mdbx.64bit_atomic': 'Auto',
+        'mdbx.64bit_cas': 'Auto',
+        'mdbx.apple.speed_insteadof_durability': 'Default',
+        'mdbx.avoid_msync': 'Auto',
+        'mdbx.build_cxx': 'Default',
+        'mdbx.build_tools': 'Default',
+        'mdbx.cacheline_size': 'Auto',
+        'mdbx.disable_validation': 'Default',
+        'mdbx.enable_bigfoot': 'Default',
+        'mdbx.enable_dbi_lockfree': 'Default',
+        'mdbx.enable_dbi_sparse': 'Default',
+        'mdbx.enable_pgop_stat': 'Default',
+        'mdbx.enable_profgc': 'Default',
+        'mdbx.enable_refund': 'Default',
+        'mdbx.env_checkpid': 'Default',
+        'mdbx.force_assertions': 'Default',
+        'mdbx.have_builtin_cpu_supports': 'Auto',
+        'mdbx.locking': 'Auto',
+        'mdbx.mmap_incoherent_file_write': 'Auto',
+        'mdbx.mmap_needs_jolt': 'Auto',
+        'mdbx.trust_rtc': 'Default',
+        'mdbx.txn_checkowner': 'Default',
+        'mdbx.unaligned_ok': 'Auto',
+        'mdbx.use_copyfilerange': 'Auto',
+        'mdbx.use_mincore': 'Auto',
+        'mdbx.use_ofdlocks': 'Auto',
+        'mdbx.use_sendfile': 'Auto',
+        'mdbx.without_msvc_crt': 'Default',
+        'shared': True,
+    }
+    options_description = {
+        'mdbx.64bit_atomic': 'Advanced: Assume 64-bit operations are atomic and not splitted to 32-bit halves. ',
+        'mdbx.64bit_cas': 'Advanced: Assume 64-bit atomic compare-and-swap operation is available. ',
+        'mdbx.apple.speed_insteadof_durability': 'Disable using `fcntl(F_FULLFSYNC)` for a performance reasons at the cost of durability on power failure. ',
+        'mdbx.avoid_msync': 'Disable in-memory database updating with consequent flush-to-disk/msync syscall in `MDBX_WRITEMAP` mode. ',
+        'mdbx.build_cxx': 'Build C++ portion. ',
+        'mdbx.build_tools': 'Build CLI tools (mdbx_chk/stat/dump/load/copy/drop). ',
+        'mdbx.cacheline_size': 'Advanced: CPU cache line size for data alignment to avoid cache line false-sharing. ',
+        'mdbx.disable_validation': 'Disable some checks to reduce an overhead and detection probability of database corruption to a values closer to the LMDB. ',
+        'mdbx.enable_bigfoot': 'Chunking long list of retired pages during huge transactions commit to avoid use sequences of pages. ',
+        'mdbx.enable_dbi_lockfree': 'Support for deferred releasing and a lockfree path to quickly open DBI handles. ',
+        'mdbx.enable_dbi_sparse': 'Support for sparse sets of DBI handles to reduce overhead when starting and processing transactions. ',
+        'mdbx.enable_pgop_stat': 'Gathering statistics for page operations. ',
+        'mdbx.enable_profgc': 'Profiling of GC search and updates. ',
+        'mdbx.enable_refund': 'Online database zero-cost auto-compactification during write-transactions. ',
+        'mdbx.env_checkpid': "Checking PID inside libmdbx's API against reuse database environment after the `fork()`. ",
+        'mdbx.force_assertions': 'Forces assertion checking even for release builds. ',
+        'mdbx.have_builtin_cpu_supports': 'Advanced: Assume the compiler and target system has `__builtin_cpu_supports()`. ',
+        'mdbx.locking': 'Advanced: Choices the locking implementation. ',
+        'mdbx.mmap_incoherent_file_write': "Advanced: Assume system don't have unified page cache and/or file write operations incoherent with memory-mapped files. ",
+        'mdbx.mmap_needs_jolt': 'Advanced: Assume system needs explicit syscall to sync/flush/write modified mapped memory. ',
+        'mdbx.trust_rtc': 'Advanced: Does a system have battery-backed Real-Time Clock or just a fake. ',
+        'mdbx.txn_checkowner': 'Checking transaction owner thread against misuse transactions from other threads. ',
+        'mdbx.unaligned_ok': 'Advanced: Assume a target CPU and/or the compiler support unaligned access. ',
+        'mdbx.use_copyfilerange': 'Advanced: Use `copy_file_range()` syscall. ',
+        'mdbx.use_mincore': "Use Unix' `mincore()` to determine whether database pages are resident in memory. ",
+        'mdbx.use_ofdlocks': 'Advanced: Use POSIX OFD-locks. ',
+        'mdbx.use_sendfile': 'Advancedc: Use `sendfile()` syscall. ',
+        'mdbx.without_msvc_crt': 'Avoid dependence from MSVC CRT and use ntdll.dll instead. ',
+    }
+
+    build_metadata = None
+
+    def config_options(self):
+        if self.settings.get_safe('os') != 'Linux':
+            self.options.rm_safe('mdbx.use_copyfilerange')
+            self.options.rm_safe('mdbx.use_sendfile')
+        if self.settings.get_safe('os') == 'Windows':
+            self.default_options['mdbx.avoid_msync'] = True
+            self.options.rm_safe('mdbx.env_checkpid')
+            self.options.rm_safe('mdbx.locking')
+            self.options.rm_safe('mdbx.mmap_incoherent_file_write')
+            self.options.rm_safe('mdbx.use_mincore')
+            self.options.rm_safe('mdbx.use_ofdlocks')
+        else:
+            self.options.rm_safe('mdbx.without_msvc_crt')
+        if is_apple_os(self):
+            self.options.rm_safe('mdbx.mmap_incoherent_file_write')
+        else:
+            self.options.rm_safe('mdbx.apple.speed_insteadof_durability')
+
+    def fetch_versioninfo_from_git(self):
+        git = Git(self, folder=self.recipe_folder)
+        git_timestamp = git.run('show --no-patch --format=%cI HEAD')
+        git_tree = git.run('show --no-patch --format=%T HEAD')
+        git_commit = git.run('show --no-patch --format=%H HEAD')
+        if git.run('rev-list --tags --count') == 0:
+            git.run('fetch --tags')
+        git_last_vtag = git.run('describe --tags --abbrev=0 --match=v[0-9]*')
+        if git_last_vtag == '':
+            git_describe = git.run('describe --all --long --always')
+            git_semver = semver_parse(
+                '0.0.0.' + git.run('rev-list --count --remove-empty --no-merges HEAD'))
+        else:
+            git_describe = git.run('describe --tags --long --match=v[0-9]*')
+            git_version = '.'.join(
+                map(str, re.split('[-v.]+', git.run('describe --tags --match=v[0-9]*'))[1:5]))
+            git_semver = semver_parse(git_last_vtag)
+            if git_semver['prerelease'] is None or git_semver['prerelease'] == '':
+                git_since_vtag = git.run(
+                    'rev-list ' + git_last_vtag + '.. --count')
+                if int(git_since_vtag) > 0:
+                    git_semver['tweak'] = int(git_since_vtag)
+                else:
+                    git_semver['tweak'] = None
+        info = {'git_describe': git_describe, 'git_timestamp': git_timestamp,
+                'git_tree': git_tree, 'git_commit': git_commit, 'semver': semver_string(git_semver)}
+        return info
+
+    def export_sources(self):
+        subprocess.run(['make', '-C', self.recipe_folder, 'DIST_DIR=' +
+                       self.export_sources_folder, '@dist-checked.tag'], check=True)
+        rm(self, 'Makefile', self.export_sources_folder)
+        rm(self, 'GNUmakefile', self.export_sources_folder)
+        # json.dump(self.fetch_versioninfo_from_git(), open(os.path.join(
+        #    self.export_sources_folder, 'VERSION.json'), 'w', encoding='utf-8'))
+
+    def source(self):
+        version_json_pathname = os.path.join(
+            self.export_sources_folder, 'VERSION.json')
+        version_json = json.load(
+            open(os.path.join(version_json_pathname), encoding='utf-8'))['semver']
+        if version_json != semver_string(semver_parse(self.version)):
+            self.output.error('Package/Recipe version "' + self.version +
+                              '" mismatch VERSION.json "' + version_json + '"')
+
+    def set_version(self):
+        if self.build_metadata is None and not self.version is None:
+            self.build_metadata = self.version
+            semver = semver_parse(self.build_metadata)
+            if semver:
+                self.build_metadata = semver['buildmetadata']
+            else:
+                self.build_metadata = re.match(
+                    '^[^0-9a-zA-Z]*([0-9a-zA-Z]+[-.0-9a-zA-Z]*)', self.build_metadata).group(1)
+        if self.build_metadata is None:
+            self.build_metadata = ''
+        version_json_pathname = os.path.join(
+            self.recipe_folder, 'VERSION.json')
+        if os.path.exists(version_json_pathname):
+            self.version = json.load(
+                open(version_json_pathname, encoding='utf-8'))['semver']
+            version_from = "'" + version_jsonpath_name + "'"
+        else:
+            self.version = self.fetch_versioninfo_from_git()['semver']
+            version_from = 'Git'
+        self.output.verbose('Fetch version from ' +
+                            version_from + ': ' + self.version)
+        if self.build_metadata != '':
+            self.version += '+' + self.build_metadata
+
+    def layout(self):
+        cmake_layout(self)
+
+    def handle_option(self, tc, name, define=False):
+        opt = self.options.get_safe(name)
+        if not opt is None:
+            value = str(opt).lower()
+            if value != 'auto' and value != 'default':
+                name = name.upper().replace('.', '_')
+                if define:
+                    if value == 'false' or value == 'no' or value == 'off':
+                        tc.preprocessor_definitions[name] = 0
+                    elif value == 'true' or value == 'yes' or value == 'on':
+                        tc.preprocessor_definitions[name] = 1
+                    else:
+                        tc.preprocessor_definitions[name] = int(opt)
+                    self.output.highlight(
+                        name + '=' + str(tc.preprocessor_definitions[name]) + ' (' + str(opt) + ')')
+                else:
+                    tc.cache_variables[name] = opt
+                    self.output.highlight(
+                        name + '=' + str(tc.cache_variables[name]) + ' (' + str(opt) + ')')
+
+    def generate(self):
+        tc = CMakeToolchain(self)
+        if self.build_metadata is None:
+            self.build_metadata = semver_parse(self.version)['buildmetadata']
+        if not self.build_metadata is None and self.build_metadata != '':
+            tc.variables['MDBX_BUILD_METADATA'] = self.build_metadata
+            self.output.highlight('MDBX_BUILD_METADATA is ' +
+                                  str(tc.variables['MDBX_BUILD_METADATA']))
+        self.handle_option(tc, 'mdbx.64bit_atomic', True)
+        self.handle_option(tc, 'mdbx.64bit_cas', True)
+        self.handle_option(tc, 'mdbx.apple.speed_insteadof_durability')
+        self.handle_option(tc, 'mdbx.avoid_msync')
+        self.handle_option(tc, 'mdbx.build_tools')
+        self.handle_option(tc, 'mdbx.build_cxx')
+        self.handle_option(tc, 'mdbx.cacheline_size', True)
+        self.handle_option(tc, 'mdbx.disable_validation')
+        self.handle_option(tc, 'mdbx.enable_bigfoot')
+        self.handle_option(tc, 'mdbx.enable_dbi_lockfree')
+        self.handle_option(tc, 'mdbx.enable_dbi_sparse')
+        self.handle_option(tc, 'mdbx.enable_pgop_stat')
+        self.handle_option(tc, 'mdbx.enable_profgc')
+        self.handle_option(tc, 'mdbx.enable_refund')
+        self.handle_option(tc, 'mdbx.env_checkpid')
+        self.handle_option(tc, 'mdbx.force_assertions')
+        self.handle_option(tc, 'mdbx.have_builtin_cpu_supports', True)
+        self.handle_option(tc, 'mdbx.mmap_incoherent_file_write', True)
+        self.handle_option(tc, 'mdbx.mmap_needs_jolt')
+        self.handle_option(tc, 'mdbx.trust_rtc')
+        self.handle_option(tc, 'mdbx.txn_checkowner')
+        self.handle_option(tc, 'mdbx.unaligned_ok', True)
+        self.handle_option(tc, 'mdbx.use_copyfilerange', True)
+        self.handle_option(tc, 'mdbx.use_mincore')
+        self.handle_option(tc, 'mdbx.use_ofdlocks')
+        self.handle_option(tc, 'mdbx.use_sendfile', True)
+        self.handle_option(tc, 'mdbx.without_msvc_crt')
+        opt = self.options.get_safe('mdbx.locking', 'auto')
+        if not opt is None:
+            value = str(opt).lower()
+            if value != 'auto' and value != 'default':
+                map = {'windowsfilelocking': -1, 'systemv': 5, 'posix1988': 1988,
+                       'posix2001': 2001, 'posix2008': 2008}
+                value = map[value]
+                tc.cache_variables['MDBX_LOCKING'] = value
+                self.output.highlight('MDBX_LOCKING=' +
+                                      str(tc.cache_variables['MDBX_LOCKING']))
+        tc.generate()
+
+    def build(self):
+        cmake = CMake(self)
+        cmake.configure()
+        cmake.build()
+
+    def package(self):
+        cmake = CMake(self)
+        cmake.install()
+
+    def package_info(self):
+        if self.options.shared:
+            self.cpp_info.libs = ['mdbx']
+        else:
+            self.cpp_info.libs = ['mdbx-static']