summaryrefslogtreecommitdiff
path: root/libs/libmdbx/src/GNUmakefile
diff options
context:
space:
mode:
authorGeorge Hazan <ghazan@miranda.im>2019-12-06 17:15:42 +0300
committerGeorge Hazan <ghazan@miranda.im>2019-12-06 17:15:42 +0300
commit5077fc56fbde196cdf821e044b607d39a34ce258 (patch)
tree9d46e9d8ddc22696e48d5073ef046ce3aebae85f /libs/libmdbx/src/GNUmakefile
parent3bb16e798cb51d5764aacbefd4edf26f52d8c4f0 (diff)
libmdbx: upgrade to 0.4.0
Diffstat (limited to 'libs/libmdbx/src/GNUmakefile')
-rw-r--r--libs/libmdbx/src/GNUmakefile371
1 files changed, 371 insertions, 0 deletions
diff --git a/libs/libmdbx/src/GNUmakefile b/libs/libmdbx/src/GNUmakefile
new file mode 100644
index 0000000000..6dff934609
--- /dev/null
+++ b/libs/libmdbx/src/GNUmakefile
@@ -0,0 +1,371 @@
+# This makefile is for GNU Make, and nowadays provided
+# just for compatibility and preservation of traditions.
+# Please use CMake in case of any difficulties or problems.
+#
+# Preprocessor macros (for MDBX_OPTIONS) of interest...
+# Note that the defaults should already be correct for most platforms;
+# you should not need to change any of these. Read their descriptions
+# in README and source code if you do. There may be other macros of interest.
+SHELL := env bash
+
+# install sandbox
+SANDBOX ?=
+
+# install prefixes (inside sandbox)
+prefix ?= /usr/local
+mandir ?= $(prefix)/man
+
+# lib/bin suffix for multiarch/biarch, e.g. '.x86_64'
+suffix ?=
+
+CC ?= gcc
+LD ?= ld
+MDBX_OPTIONS ?= -DNDEBUG=1
+CFLAGS ?= -O2 -g -Wall -Werror -Wextra -Wpedantic -ffunction-sections -fPIC -fvisibility=hidden -std=gnu11 -pthread -Wno-error=attributes
+# -Wno-tautological-compare
+
+# HINT: Try append '--no-as-needed,-lrt' for ability to built with modern glibc, but then run with the old.
+LIBS ?= $(shell uname | grep -qi SunOS && echo "-lkstat") $(shell uname | grep -qi -e Darwin -e OpenBSD || echo "-lrt")
+
+LDFLAGS ?= $(shell $(LD) --help 2>/dev/null | grep -q -- --gc-sections && echo '-Wl,--gc-sections,-z,relro,-O1')$(shell $(LD) --help 2>/dev/null | grep -q -- -dead_strip && echo '-Wl,-dead_strip')
+EXE_LDFLAGS ?= -pthread
+
+################################################################################
+
+UNAME := $(shell uname -s 2>/dev/null || echo Unknown)
+define uname2sosuffix
+ case "$(UNAME)" in
+ Darwin*|Mach*) echo dylib;;
+ CYGWIN*|MINGW*|MSYS*|Windows*) echo dll;;
+ *) echo so;;
+ esac
+endef
+SO_SUFFIX := $(shell $(uname2sosuffix))
+
+HEADERS := mdbx.h
+LIBRARIES := libmdbx.a libmdbx.$(SO_SUFFIX)
+TOOLS := mdbx_stat mdbx_copy mdbx_dump mdbx_load mdbx_chk
+MANPAGES := mdbx_stat.1 mdbx_copy.1 mdbx_dump.1 mdbx_load.1 mdbx_chk.1
+
+.PHONY: mdbx all install clean test dist check
+
+all: $(LIBRARIES) $(TOOLS)
+
+mdbx: libmdbx.a libmdbx.$(SO_SUFFIX)
+
+tools: $(TOOLS)
+
+strip: all
+ strip libmdbx.$(SO_SUFFIX) $(TOOLS)
+
+clean:
+ rm -rf $(TOOLS) mdbx_test @* *.[ao] *.[ls]o *~ tmp.db/* \
+ *.gcov *.log *.err src/*.o test/*.o mdbx_example dist \
+ config.h src/elements/config.h src/elements/version.c *.tar*
+
+libmdbx.a: mdbx-static.o
+ $(AR) rs $@ $?
+
+libmdbx.$(SO_SUFFIX): mdbx-dylib.o
+ $(CC) $(CFLAGS) $^ -pthread -shared $(LDFLAGS) $(LIBS) -o $@
+
+#> dist-cutoff-begin
+ifeq ($(wildcard mdbx.c),mdbx.c)
+#< dist-cutoff-end
+
+################################################################################
+# Amalgamated source code, i.e. distributed after `make dists`
+MAN_SRCDIR := man1/
+
+config.h: mdbx.c $(lastword $(MAKEFILE_LIST))
+ (echo '#define MDBX_BUILD_TIMESTAMP "$(shell date +%Y-%m-%dT%H:%M:%S%z)"' \
+ && echo '#define MDBX_BUILD_FLAGS "$(CFLAGS) $(LDFLAGS) $(LIBS)"' \
+ && echo '#define MDBX_BUILD_COMPILER "$(shell set -o pipefail; $(CC) --version | head -1 || echo 'Please use GCC or CLANG compatible compiler')"' \
+ && echo '#define MDBX_BUILD_TARGET "$(shell set -o pipefail; LC_ALL=C $(CC) -v 2>&1 | grep -i '^Target:' | cut -d ' ' -f 2- || echo 'Please use GCC or CLANG compatible compiler')"' \
+ ) > $@
+
+mdbx-dylib.o: config.h mdbx.c $(lastword $(MAKEFILE_LIST))
+ $(CC) $(CFLAGS) $(MDBX_OPTIONS) '-DMDBX_CONFIG_H="config.h"' -DLIBMDBX_EXPORTS=1 -c mdbx.c -o $@
+
+mdbx-static.o: config.h mdbx.c $(lastword $(MAKEFILE_LIST))
+ $(CC) $(CFLAGS) $(MDBX_OPTIONS) '-DMDBX_CONFIG_H="config.h"' -ULIBMDBX_EXPORTS -c mdbx.c -o $@
+
+mdbx_%: mdbx_%.c libmdbx.a
+ $(CC) $(CFLAGS) $(MDBX_OPTIONS) '-DMDBX_CONFIG_H="config.h"' $^ $(EXE_LDFLAGS) $(LIBS) -o $@
+
+#> dist-cutoff-begin
+else
+################################################################################
+# Plain (non-amalgamated) sources with test
+
+define uname2osal
+ case "$(UNAME)" in
+ CYGWIN*|MINGW*|MSYS*|Windows*) echo windows;;
+ *) echo unix;;
+ esac
+endef
+
+define uname2titer
+ case "$(UNAME)" in
+ Darwin*|Mach*) echo 2;;
+ *) echo 12;;
+ esac
+endef
+
+DIST_EXTRA := LICENSE README.md CMakeLists.txt GNUmakefile Makefile $(addprefix man1/, $(MANPAGES))
+DIST_SRC := mdbx.h mdbx.c $(addsuffix .c, $(TOOLS))
+
+TEST_DB ?= $(shell [ -d /dev/shm ] && echo /dev/shm || echo /tmp)/mdbx-test.db
+TEST_LOG ?= $(shell [ -d /dev/shm ] && echo /dev/shm || echo /tmp)/mdbx-test.log
+TEST_OSAL := $(shell $(uname2osal))
+TEST_ITER := $(shell $(uname2titer))
+TEST_SRC := test/osal-$(TEST_OSAL).cc $(filter-out $(wildcard test/osal-*.cc), $(wildcard test/*.cc))
+TEST_INC := $(wildcard test/*.h)
+TEST_OBJ := $(patsubst %.cc,%.o,$(TEST_SRC))
+CXX ?= g++
+CXXSTD ?= $(shell $(CXX) -std=c++27 -c test/test.cc -o /dev/null 2>/dev/null && echo -std=c++17 || echo -std=c++11)
+CXXFLAGS := $(CXXSTD) $(filter-out -std=gnu11,$(CFLAGS))
+
+MAN_SRCDIR := src/man1/
+ALLOY_DEPS := $(wildcard src/elements/*)
+MDBX_VERSION_GIT = ${shell set -o pipefail; git describe --tags | sed -n 's|^v*\([0-9]\{1,\}\.[0-9]\{1,\}\.[0-9]\{1,\}\)\(.*\)|\1|p' || echo 'Please fetch tags and/or install latest git version'}
+MDBX_GIT_TIMESTAMP = $(shell git show --no-patch --format=%cI HEAD || echo 'Please install latest get version')
+MDBX_GIT_DESCRIBE = $(shell git describe --tags --long --dirty=-dirty || echo 'Please fetch tags and/or install latest git version')
+MDBX_VERSION_SUFFIX = $(shell set -o pipefail; echo -n '$(MDBX_GIT_DESCRIBE)' | tr -c -s '[a-zA-Z0-9]' _)
+MDBX_BUILD_SOURCERY = $(shell set -o pipefail; $(MAKE) -s src/elements/version.c && (openssl dgst -r -sha256 src/elements/version.c || sha256sum src/elements/version.c || shasum -a 256 src/elements/version.c) 2>/dev/null | cut -d ' ' -f 1 || echo 'Please install openssl or sha256sum or shasum')_$(MDBX_VERSION_SUFFIX)
+
+check: test mdbx_example dist
+
+test: all mdbx_example mdbx_test
+ rm -f $(TEST_DB) $(TEST_LOG) && (set -o pipefail; \
+ (./mdbx_test --progress --console=no --repeat=$(TEST_ITER) --pathname=$(TEST_DB) --dont-cleanup-after basic && \
+ ./mdbx_test --mode=-writemap,-mapasync,-lifo --progress --console=no --repeat=12 --pathname=$(TEST_DB) --dont-cleanup-after basic) \
+ | tee -a $(TEST_LOG) | tail -n 42) \
+ && ./mdbx_chk -vvn $(TEST_DB) && ./mdbx_chk -vvn $(TEST_DB)-copy
+
+mdbx_example: mdbx.h example/example-mdbx.c libmdbx.$(SO_SUFFIX)
+ $(CC) $(CFLAGS) -I. example/example-mdbx.c ./libmdbx.$(SO_SUFFIX) -o $@
+
+test-singleprocess: all mdbx_test
+ rm -f $(TEST_DB) $(TEST_LOG) && (set -o pipefail; \
+ (./mdbx_test --progress --console=no --repeat=42 --pathname=$(TEST_DB) --dont-cleanup-after --hill && \
+ ./mdbx_test --progress --console=no --repeat=2 --pathname=$(TEST_DB) --dont-cleanup-before --dont-cleanup-after --copy && \
+ ./mdbx_test --mode=-writemap,-mapasync,-lifo --progress --console=no --repeat=42 --pathname=$(TEST_DB) --dont-cleanup-after --nested) \
+ | tee -a $(TEST_LOG) | tail -n 42) \
+ && ./mdbx_chk -vvn $(TEST_DB) && ./mdbx_chk -vvn $(TEST_DB)-copy
+
+test-fault: all mdbx_test
+ rm -f $(TEST_DB) $(TEST_LOG) && (set -o pipefail; ./mdbx_test --progress --console=no --pathname=$(TEST_DB) --inject-writefault=42 --dump-config --dont-cleanup-after basic | tee -a $(TEST_LOG) | tail -n 42) \
+ ; ./mdbx_chk -vvnw $(TEST_DB) && ([ ! -e $(TEST_DB)-copy ] || ./mdbx_chk -vvn $(TEST_DB)-copy)
+
+VALGRIND=valgrind --trace-children=yes --log-file=valgrind-%p.log --leak-check=full --track-origins=yes --error-exitcode=42 --suppressions=test/valgrind_suppress.txt
+memcheck test-valgrind: all mdbx_test
+ @echo "$(MDBX_OPTIONS)" | grep -q MDBX_USE_VALGRIND || echo "WARNING: Please build libmdbx with -DMDBX_USE_VALGRIND to avoid false-positives from Valgrind !!!" >&2
+ rm -f valgrind-*.log $(TEST_DB) $(TEST_LOG) && (set -o pipefail; \
+ ($(VALGRIND) ./mdbx_test --mode=-writemap,-mapasync,-lifo --progress --console=no --repeat=4 --pathname=$(TEST_DB) --dont-cleanup-after basic && \
+ $(VALGRIND) ./mdbx_test --progress --console=no --pathname=$(TEST_DB) --dont-cleanup-before --dont-cleanup-after --copy && \
+ $(VALGRIND) ./mdbx_test --progress --console=no --repeat=2 --pathname=$(TEST_DB) --dont-cleanup-after basic) \
+ | tee -a $(TEST_LOG) | tail -n 42) \
+ && $(VALGRIND) ./mdbx_chk -vvn $(TEST_DB) && ./mdbx_chk -vvn $(TEST_DB)-copy
+
+define test-rule
+$(patsubst %.cc,%.o,$(1)): $(1) $(TEST_INC) mdbx.h $(lastword $(MAKEFILE_LIST))
+ $(CXX) $(CXXFLAGS) $(MDBX_OPTIONS) -c $(1) -o $$@
+
+endef
+$(foreach file,$(TEST_SRC),$(eval $(call test-rule,$(file))))
+
+mdbx_%: src/tools/mdbx_%.c libmdbx.a
+ $(CC) $(CFLAGS) $(MDBX_OPTIONS) '-DMDBX_CONFIG_H="config.h"' $^ $(EXE_LDFLAGS) $(LIBS) -o $@
+
+mdbx_test: $(TEST_OBJ) libmdbx.$(SO_SUFFIX)
+ $(CXX) $(CXXFLAGS) $(TEST_OBJ) -Wl,-rpath . -L . -l mdbx $(EXE_LDFLAGS) $(LIBS) -o $@
+
+git_DIR := $(shell if [ -d .git ]; then echo .git; elif [ -s .git -a -f .git ]; then grep '^gitdir: ' .git | cut -d ':' -f 2; else echo "Please use libmdbx as a git-submodule or the amalgamated source code" >&2 && echo git_directory; fi)
+
+src/elements/version.c: src/elements/version.c.in $(lastword $(MAKEFILE_LIST)) $(git_DIR)/HEAD $(git_DIR)/index $(git_DIR)/refs/tags
+ sed \
+ -e "s|@MDBX_GIT_TIMESTAMP@|$(MDBX_GIT_TIMESTAMP)|" \
+ -e "s|@MDBX_GIT_TREE@|$(shell git show --no-patch --format=%T HEAD || echo 'Please install latest get version')|" \
+ -e "s|@MDBX_GIT_COMMIT@|$(shell git show --no-patch --format=%H HEAD || echo 'Please install latest get version')|" \
+ -e "s|@MDBX_GIT_DESCRIBE@|$(MDBX_GIT_DESCRIBE)|" \
+ -e "s|\$${MDBX_VERSION_MAJOR}|$(shell echo '$(MDBX_VERSION_GIT)' | cut -d . -f 1)|" \
+ -e "s|\$${MDBX_VERSION_MINOR}|$(shell echo '$(MDBX_VERSION_GIT)' | cut -d . -f 2)|" \
+ -e "s|\$${MDBX_VERSION_RELEASE}|$(shell echo '$(MDBX_VERSION_GIT)' | cut -d . -f 3)|" \
+ -e "s|\$${MDBX_VERSION_REVISION}|$(shell git rev-list --count --no-merges HEAD || echo 'Please fetch tags and/or install latest git version')|" \
+ src/elements/version.c.in > $@
+
+src/elements/config.h: src/elements/version.c $(lastword $(MAKEFILE_LIST))
+ (echo '#define MDBX_BUILD_TIMESTAMP "$(shell date +%Y-%m-%dT%H:%M:%S%z)"' \
+ && echo '#define MDBX_BUILD_FLAGS "$(CFLAGS) $(LDFLAGS) $(LIBS)"' \
+ && echo '#define MDBX_BUILD_COMPILER "$(shell set -o pipefail; $(CC) --version | head -1 || echo 'Please use GCC or CLANG compatible compiler')"' \
+ && echo '#define MDBX_BUILD_TARGET "$(shell set -o pipefail; LC_ALL=C $(CC) -v 2>&1 | grep -i '^Target:' | cut -d ' ' -f 2- || echo 'Please use GCC or CLANG compatible compiler')"' \
+ && echo '#define MDBX_BUILD_SOURCERY $(MDBX_BUILD_SOURCERY)' \
+ ) > $@
+
+mdbx-dylib.o: src/elements/config.h src/elements/version.c src/alloy.c $(ALLOY_DEPS) $(lastword $(MAKEFILE_LIST))
+ $(CC) $(CFLAGS) $(MDBX_OPTIONS) '-DMDBX_CONFIG_H="config.h"' -DLIBMDBX_EXPORTS=1 -c src/alloy.c -o $@
+
+mdbx-static.o: src/elements/config.h src/elements/version.c src/alloy.c $(ALLOY_DEPS) $(lastword $(MAKEFILE_LIST))
+ $(CC) $(CFLAGS) $(MDBX_OPTIONS) '-DMDBX_CONFIG_H="config.h"' -ULIBMDBX_EXPORTS -c src/alloy.c -o $@
+
+.PHONY: dist
+dist: libmdbx-sources-$(MDBX_VERSION_SUFFIX).tar.gz $(lastword $(MAKEFILE_LIST))
+
+libmdbx-sources-$(MDBX_VERSION_SUFFIX).tar.gz: $(addprefix dist/, $(DIST_SRC) $(DIST_EXTRA)) $(addprefix dist/man1/,$(MANPAGES))
+ tar -c --owner=0 --group=0 -C dist $(DIST_SRC) $(DIST_EXTRA) -f - | gzip -c > $@ \
+ && rm dist/@tmp-shared_internals.inc
+
+dist/mdbx.h: mdbx.h src/elements/version.c $(lastword $(MAKEFILE_LIST))
+ mkdir -p dist && cp $< $@
+
+dist/Makefile: Makefile
+ mkdir -p dist && cp $< $@
+
+dist/GNUmakefile: GNUmakefile
+ mkdir -p dist && sed -e '/^#> dist-cutoff-begin/,/^#< dist-cutoff-end/d' $< > $@
+
+dist/@tmp-shared_internals.inc: src/elements/version.c $(ALLOY_DEPS) $(lastword $(MAKEFILE_LIST))
+ mkdir -p dist && sed \
+ -e 's|#pragma once|#define MDBX_ALLOY 1\n#define MDBX_BUILD_SOURCERY $(MDBX_BUILD_SOURCERY)|' \
+ -e 's|#include "../../mdbx.h"|@INCLUDE "mdbx.h"|' \
+ -e '/#include "defs.h"/r src/elements/defs.h' \
+ -e '/#include "osal.h"/r src/elements/osal.h' \
+ -e '/#include "options.h"/r src/elements/options.h' \
+ src/elements/internals.h > $@
+
+dist/mdbx.c: dist/@tmp-shared_internals.inc $(lastword $(MAKEFILE_LIST))
+ mkdir -p dist && (cat dist/@tmp-shared_internals.inc \
+ && cat src/elements/core.c src/elements/osal.c src/elements/version.c \
+ && echo '#if defined(_WIN32) || defined(_WIN64)' \
+ && cat src/elements/lck-windows.c && echo '#else /* LCK-implementation */' \
+ && cat src/elements/lck-posix.c && echo '#endif /* LCK-implementation */' \
+ ) | grep -v -e '#include "' -e '#pragma once' | sed 's|@INCLUDE|#include|' > $@
+
+define dist-tool-rule
+dist/$(1).c: src/tools/$(1).c src/tools/wingetopt.h src/tools/wingetopt.c \
+ dist/@tmp-shared_internals.inc $(lastword $(MAKEFILE_LIST))
+ mkdir -p dist && sed \
+ -e '/#include "..\/elements\/internals.h"/r dist/@tmp-shared_internals.inc' \
+ -e '/#include "wingetopt.h"/r src/tools/wingetopt.c' \
+ src/tools/$(1).c \
+ | grep -v -e '#include "' -e '#pragma once' -e '#define MDBX_ALLOY' \
+ | sed 's|@INCLUDE|#include|' > $$@
+
+endef
+$(foreach file,$(TOOLS),$(eval $(call dist-tool-rule,$(file))))
+
+dist/man1/mdbx_%.1: src/man1/mdbx_%.1
+ mkdir -p dist/man1/ && cp $< $@
+dist/LICENSE: LICENSE
+ mkdir -p dist/man1/ && cp $< $@
+dist/README.md: README.md
+ mkdir -p dist/man1/ && cp $< $@
+dist/CMakeLists.txt: CMakeLists.dist-minimal
+ mkdir -p dist/man1/ && cp $< $@
+endif
+
+################################################################################
+# Cross-compilation simple test
+
+CROSS_LIST = mips-linux-gnu-gcc \
+ powerpc64-linux-gnu-gcc powerpc-linux-gnu-gcc \
+ arm-linux-gnueabihf-gcc aarch64-linux-gnu-gcc \
+ sh4-linux-gnu-gcc mips64-linux-gnuabi64-gcc
+
+# hppa-linux-gnu-gcc - don't supported by current qemu release
+# s390x-linux-gnu-gcc - qemu troubles (hang/abort)
+# sparc64-linux-gnu-gcc - qemu troubles (fcntl for F_SETLK/F_GETLK)
+# alpha-linux-gnu-gcc - qemu (or gcc) troubles (coredump)
+
+CROSS_LIST_NOQEMU = hppa-linux-gnu-gcc s390x-linux-gnu-gcc \
+ sparc64-linux-gnu-gcc alpha-linux-gnu-gcc
+
+cross-gcc:
+ @echo "CORRESPONDING CROSS-COMPILERs ARE REQUIRED."
+ @echo "FOR INSTANCE: apt install g++-aarch64-linux-gnu g++-alpha-linux-gnu g++-arm-linux-gnueabihf g++-hppa-linux-gnu g++-mips-linux-gnu g++-mips64-linux-gnuabi64 g++-powerpc-linux-gnu g++-powerpc64-linux-gnu g++-s390x-linux-gnu g++-sh4-linux-gnu g++-sparc64-linux-gnu"
+ @for CC in $(CROSS_LIST_NOQEMU) $(CROSS_LIST); do \
+ echo "===================== $$CC"; \
+ $(MAKE) clean && CC=$$CC CXX=$$(echo $$CC | sed 's/-gcc/-g++/') EXE_LDFLAGS=-static $(MAKE) all || exit $$?; \
+ done
+
+# Unfortunately qemu don't provide robust support for futexes.
+# Therefore it is impossible to run full multi-process tests.
+cross-qemu:
+ @echo "CORRESPONDING CROSS-COMPILERs AND QEMUs ARE REQUIRED."
+ @echo "FOR INSTANCE: "
+ @echo " 1) apt install g++-aarch64-linux-gnu g++-alpha-linux-gnu g++-arm-linux-gnueabihf g++-hppa-linux-gnu g++-mips-linux-gnu g++-mips64-linux-gnuabi64 g++-powerpc-linux-gnu g++-powerpc64-linux-gnu g++-s390x-linux-gnu g++-sh4-linux-gnu g++-sparc64-linux-gnu"
+ @echo " 2) apt install binfmt-support qemu-user-static qemu-user qemu-system-arm qemu-system-mips qemu-system-misc qemu-system-ppc qemu-system-sparc"
+ @for CC in $(CROSS_LIST); do \
+ echo "===================== $$CC + qemu"; \
+ $(MAKE) clean && \
+ CC=$$CC CXX=$$(echo $$CC | sed 's/-gcc/-g++/') EXE_LDFLAGS=-static MDBX_OPTIONS="-DMDBX_SAFE4QEMU $(MDBX_OPTIONS)" \
+ $(MAKE) test-singleprocess || exit $$?; \
+ done
+
+#< dist-cutoff-end
+install: $(LIBRARIES) $(TOOLS) $(HEADERS)
+ mkdir -p $(SANDBOX)$(prefix)/bin$(suffix) \
+ && cp -t $(SANDBOX)$(prefix)/bin$(suffix) $(TOOLS) && \
+ mkdir -p $(SANDBOX)$(prefix)/lib$(suffix) \
+ && cp -t $(SANDBOX)$(prefix)/lib$(suffix) $(LIBRARIES) && \
+ mkdir -p $(SANDBOX)$(prefix)/include \
+ && cp -t $(SANDBOX)$(prefix)/include $(HEADERS) && \
+ mkdir -p $(SANDBOX)$(mandir)/man1 \
+ && cp -t $(SANDBOX)$(mandir)/man1 $(addprefix $(MAN_SRCDIR), $(MANPAGES))
+
+################################################################################
+# Benchmarking by ioarena
+
+IOARENA ?= $(shell \
+ (test -x ../ioarena/@BUILD/src/ioarena && echo ../ioarena/@BUILD/src/ioarena) || \
+ (test -x ../../@BUILD/src/ioarena && echo ../../@BUILD/src/ioarena) || \
+ (test -x ../../src/ioarena && echo ../../src/ioarena) || which ioarena)
+NN ?= 25000000
+
+ifneq ($(wildcard $(IOARENA)),)
+
+.PHONY: bench clean-bench re-bench
+
+clean-bench:
+ rm -rf bench-*.txt _ioarena/*
+
+re-bench: clean-bench bench
+
+define bench-rule
+bench-$(1)_$(2).txt: $(3) $(IOARENA) $(lastword $(MAKEFILE_LIST))
+ LD_LIBRARY_PATH="./:$$$${LD_LIBRARY_PATH}" \
+ $(IOARENA) -D $(1) -B crud -m nosync -n $(2) \
+ | tee $$@ | grep throughput && \
+ LD_LIBRARY_PATH="./:$$$${LD_LIBRARY_PATH}" \
+ $(IOARENA) -D $(1) -B get,iterate -m sync -r 4 -n $(2) \
+ | tee -a $$@ | grep throughput \
+ || mv -f $$@ $$@.error
+
+endef
+
+$(eval $(call bench-rule,mdbx,$(NN),libmdbx.$(SO_SUFFIX)))
+
+$(eval $(call bench-rule,sophia,$(NN)))
+$(eval $(call bench-rule,leveldb,$(NN)))
+$(eval $(call bench-rule,rocksdb,$(NN)))
+$(eval $(call bench-rule,wiredtiger,$(NN)))
+$(eval $(call bench-rule,forestdb,$(NN)))
+$(eval $(call bench-rule,lmdb,$(NN)))
+$(eval $(call bench-rule,nessdb,$(NN)))
+$(eval $(call bench-rule,sqlite3,$(NN)))
+$(eval $(call bench-rule,ejdb,$(NN)))
+$(eval $(call bench-rule,vedisdb,$(NN)))
+$(eval $(call bench-rule,dummy,$(NN)))
+
+$(eval $(call bench-rule,debug,10))
+
+bench: bench-mdbx_$(NN).txt
+
+.PHONY: bench-debug
+
+bench-debug: bench-debug_10.txt
+
+bench-quartet: bench-mdbx_$(NN).txt bench-lmdb_$(NN).txt bench-rocksdb_$(NN).txt bench-wiredtiger_$(NN).txt
+
+endif