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libmdbx/CMakeLists.txt

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CMake
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##
## Copyright 2020-2021 Leonid Yuriev <leo@yuriev.ru>
## and other libmdbx authors: please see AUTHORS file.
## All rights reserved.
##
## Redistribution and use in source and binary forms, with or without
## modification, are permitted only as authorized by the OpenLDAP
## Public License.
##
## A copy of this license is available in the file LICENSE in the
## top-level directory of the distribution or, alternatively, at
## <http://www.OpenLDAP.org/license.html>.
##
##
## libmdbx = { Revised and extended descendant of Symas LMDB. }
## Please see README.md at https://github.com/erthink/libmdbx
##
## Libmdbx is superior to LMDB in terms of features and reliability,
## not inferior in performance. libmdbx works on Linux, FreeBSD, MacOS X
## and other systems compliant with POSIX.1-2008, but also support Windows
## as a complementary platform.
##
## The next version is under active non-public development and will be
## released as MithrilDB and libmithrildb for libraries & packages.
## Admittedly mythical Mithril is resembling silver but being stronger and
## lighter than steel. Therefore MithrilDB is rightly relevant name.
##
## MithrilDB will be radically different from libmdbx by the new database
## format and API based on C++17, as well as the Apache 2.0 License.
## The goal of this revolution is to provide a clearer and robust API,
## add more features and new valuable properties of database.
##
## The Future will (be) Positive. Всё будет хорошо.
##
if(CMAKE_VERSION VERSION_LESS 3.12)
cmake_minimum_required(VERSION 3.8.2)
else()
cmake_minimum_required(VERSION 3.12)
endif()
cmake_policy(PUSH)
cmake_policy(VERSION ${CMAKE_MINIMUM_REQUIRED_VERSION})
if(NOT CMAKE_VERSION VERSION_LESS 3.15)
cmake_policy(SET CMP0091 NEW)
endif()
if(NOT CMAKE_VERSION VERSION_LESS 3.13)
cmake_policy(SET CMP0077 NEW)
endif()
if(NOT CMAKE_VERSION VERSION_LESS 3.12)
cmake_policy(SET CMP0075 NEW)
endif()
if(NOT CMAKE_VERSION VERSION_LESS 3.9)
cmake_policy(SET CMP0069 NEW)
include(CheckIPOSupported)
check_ipo_supported(RESULT CMAKE_INTERPROCEDURAL_OPTIMIZATION_AVAILABLE)
else()
set(CMAKE_INTERPROCEDURAL_OPTIMIZATION_AVAILABLE FALSE)
endif()
if(EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/.git" AND
EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/test/CMakeLists.txt" AND
EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/src/core.c" AND
EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/src/alloy.c" AND
EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/src/config.h.in" AND
EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/src/version.c.in" AND
EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/src/man1" AND
EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/src/mdbx_chk.c" AND
EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/src/mdbx.c++")
set(MDBX_AMALGAMATED_SOURCE FALSE)
find_program(GIT git)
if(NOT GIT)
message(SEND_ERROR "Git command-line tool not found")
endif()
set(MDBX_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/src")
elseif(EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/VERSION.txt" AND
EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/mdbx.c" AND
EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/mdbx.c++" AND
EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/config.h.in" AND
EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/man1" AND
EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/mdbx_chk.c")
set(MDBX_AMALGAMATED_SOURCE TRUE)
set(MDBX_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}")
else()
message(FATAL_ERROR "\n"
"Please don't use tarballs nor zips which are automatically provided by Github! "
"These archives do not contain version information and thus are unfit to build libmdbx. "
"You can vote for ability of disabling auto-creation such unsuitable archives at https://github.community/t/disable-tarball\n"
"Instead of above, just clone the git repository, either download a tarball or zip with the properly amalgamated source core. "
"For embedding libmdbx use a git-submodule or the amalgamated source code.\n"
"Please, avoid using any other techniques.")
endif()
if(DEFINED PROJECT_NAME)
option(MDBX_FORCE_BUILD_AS_MAIN_PROJECT "Force libmdbx to full control build options even it added as a subdirectory to your project." OFF)
endif()
if(DEFINED PROJECT_NAME AND NOT MDBX_FORCE_BUILD_AS_MAIN_PROJECT)
set(SUBPROJECT ON)
set(NOT_SUBPROJECT OFF)
if(NOT MDBX_AMALGAMATED_SOURCE AND NOT DEFINED BUILD_TESTING)
set(BUILD_TESTING OFF)
endif()
enable_language(C)
else()
set(SUBPROJECT OFF)
set(NOT_SUBPROJECT ON)
project(libmdbx C)
if(NOT MDBX_AMALGAMATED_SOURCE AND NOT DEFINED BUILD_TESTING)
set(BUILD_TESTING ON)
endif()
endif()
if(MDBX_AMALGAMATED_SOURCE AND DEFINED MDBX_ENABLE_TESTS AND MDBX_ENABLE_TESTS)
message(WARNING "MDBX_ENABLE_TESTS=${MDBX_ENABLE_TESTS}: But amalgamated source code don't includes tests.")
set(MDBX_ENABLE_TESTS OFF)
endif()
# Try to find a C++ compiler unless sure that this is unnecessary.
if (NOT CMAKE_CXX_COMPILER_LOADED)
include(CheckLanguage)
if(NOT DEFINED MDBX_BUILD_CXX OR MDBX_BUILD_CXX
OR (NOT MDBX_AMALGAMATED_SOURCE AND (NOT DEFINED MDBX_ENABLE_TESTS OR MDBX_ENABLE_TESTS)))
check_language(CXX)
if(CMAKE_CXX_COMPILER)
enable_language(CXX)
endif()
endif()
else()
enable_language(CXX)
endif()
# Set default build type to Release. This is to ease a User's life.
if(NOT CMAKE_BUILD_TYPE)
set(CMAKE_BUILD_TYPE Release CACHE STRING
"Choose the type of build, options are: Debug Release RelWithDebInfo MinSizeRel."
FORCE)
endif()
string(TOUPPER ${CMAKE_BUILD_TYPE} CMAKE_BUILD_TYPE_UPPERCASE)
if(NOT_SUBPROJECT AND (CMAKE_CROSSCOMPILING OR IOS))
set(CMAKE_TRY_COMPILE_TARGET_TYPE STATIC_LIBRARY)
endif()
if(NOT "$ENV{TEAMCITY_PROCESS_FLOW_ID}" STREQUAL "")
set(CI TEAMCITY)
message(STATUS "TeamCity CI")
elseif(NOT "$ENV{TRAVIS}" STREQUAL "")
set(CI TRAVIS)
message(STATUS "Travis CI")
elseif(NOT "$ENV{CIRCLECI}" STREQUAL "")
set(CI CIRCLE)
message(STATUS "Circle CI")
elseif(NOT "$ENV{APPVEYOR}" STREQUAL "")
set(CI APPVEYOR)
message(STATUS "AppVeyor CI")
elseif(NOT "$ENV{CI}" STREQUAL "")
set(CI "$ENV{CI}")
message(STATUS "Other CI (${CI})")
else()
message(STATUS "Assume No any CI environment")
unset(CI)
endif()
# output all mdbx-related targets in single directory
if(NOT DEFINED MDBX_OUTPUT_DIR)
set(MDBX_OUTPUT_DIR ${CMAKE_CURRENT_BINARY_DIR})
endif()
set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${MDBX_OUTPUT_DIR})
set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${MDBX_OUTPUT_DIR})
set(CMAKE_PDB_OUTPUT_DIRECTORY ${MDBX_OUTPUT_DIR})
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${MDBX_OUTPUT_DIR})
include(CheckFunctionExists)
include(FindPackageMessage)
include(GNUInstallDirs)
if(CMAKE_C_COMPILER_ID STREQUAL "MSVC" AND MSVC_VERSION LESS 1900)
message(SEND_ERROR "MSVC compiler ${MSVC_VERSION} is too old for building MDBX."
" At least 'Microsoft Visual Studio 2015' is required.")
endif()
set(CMAKE_THREAD_PREFER_PTHREAD TRUE)
set(THREADS_PREFER_PTHREAD_FLAG TRUE)
find_package(Threads REQUIRED)
include(cmake/utils.cmake)
include(cmake/compiler.cmake)
include(cmake/profile.cmake)
# Workaround for `-pthread` toolchain/cmake bug
if(NOT APPLE AND NOT MSVC
AND CMAKE_USE_PTHREADS_INIT AND NOT CMAKE_THREAD_LIBS_INIT
AND (CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_CLANG))
check_compiler_flag("-pthread" CC_HAS_PTHREAD)
if(CC_HAS_PTHREAD AND NOT CMAKE_EXE_LINKER_FLAGS MATCHES "-pthread")
message(STATUS "Force add -pthread for linker flags to avoid troubles")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -pthread")
set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -pthread")
set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} -pthread")
endif()
endif()
CHECK_FUNCTION_EXISTS(pow NOT_NEED_LIBM)
if(NOT_NEED_LIBM)
set(LIB_MATH "")
else()
set(CMAKE_REQUIRED_LIBRARIES m)
CHECK_FUNCTION_EXISTS(pow HAVE_LIBM)
if(HAVE_LIBM)
set(LIB_MATH m)
else()
message(FATAL_ERROR "No libm found for math support")
endif()
endif()
if(SUBPROJECT)
if(NOT DEFINED BUILD_SHARED_LIBS)
option(BUILD_SHARED_LIBS "Build shared libraries (DLLs)" OFF)
endif()
if(NOT DEFINED CMAKE_POSITION_INDEPENDENT_CODE)
option(CMAKE_POSITION_INDEPENDENT_CODE "Generate position independent (PIC)" ON)
endif()
else()
option(BUILD_SHARED_LIBS "Build shared libraries (DLLs)" ON)
option(CMAKE_POSITION_INDEPENDENT_CODE "Generate position independent (PIC)" ON)
if (CC_HAS_ARCH_NATIVE)
option(BUILD_FOR_NATIVE_CPU "Generate code for the compiling machine CPU" OFF)
endif()
if(CMAKE_CONFIGURATION_TYPES OR NOT CMAKE_BUILD_TYPE_UPPERCASE STREQUAL "DEBUG")
set(INTERPROCEDURAL_OPTIMIZATION_DEFAULT ON)
else()
set(INTERPROCEDURAL_OPTIMIZATION_DEFAULT OFF)
endif()
if(CMAKE_INTERPROCEDURAL_OPTIMIZATION_AVAILABLE
OR GCC_LTO_AVAILABLE OR MSVC_LTO_AVAILABLE OR
(CLANG_LTO_AVAILABLE AND
((DEFINED MDBX_ENABLE_TESTS AND NOT MDBX_ENABLE_TESTS)
OR NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.0)))
option(INTERPROCEDURAL_OPTIMIZATION "Enable interprocedural/LTO optimization" ${INTERPROCEDURAL_OPTIMIZATION_DEFAULT})
else()
set(INTERPROCEDURAL_OPTIMIZATION OFF)
endif()
if(INTERPROCEDURAL_OPTIMIZATION)
if(GCC_LTO_AVAILABLE)
set(LTO_ENABLED TRUE)
set(CMAKE_AR ${CMAKE_GCC_AR} CACHE PATH "Path to ar program with LTO-plugin" FORCE)
set(CMAKE_NM ${CMAKE_GCC_NM} CACHE PATH "Path to nm program with LTO-plugin" FORCE)
set(CMAKE_RANLIB ${CMAKE_GCC_RANLIB} CACHE PATH "Path to ranlib program with LTO-plugin" FORCE)
message(STATUS "MDBX indulge Link-Time Optimization by GCC")
elseif(CLANG_LTO_AVAILABLE)
set(LTO_ENABLED TRUE)
set(CMAKE_AR ${CMAKE_CLANG_AR} CACHE PATH "Path to ar program with LTO-plugin" FORCE)
set(CMAKE_NM ${CMAKE_CLANG_NM} CACHE PATH "Path to nm program with LTO-plugin" FORCE)
set(CMAKE_RANLIB ${CMAKE_CLANG_RANLIB} CACHE PATH "Path to ranlib program with LTO-plugin" FORCE)
message(STATUS "MDBX indulge Link-Time Optimization by CLANG")
elseif(MSVC_LTO_AVAILABLE)
set(LTO_ENABLED TRUE)
message(STATUS "MDBX indulge Link-Time Optimization by MSVC")
elseif(CMAKE_INTERPROCEDURAL_OPTIMIZATION_AVAILABLE)
message(STATUS "MDBX indulge Interprocedural Optimization by CMake")
set(CMAKE_INTERPROCEDURAL_OPTIMIZATION TRUE)
set(LTO_ENABLED TRUE)
else()
message(WARNING "Unable to engage interprocedural/LTO optimization.")
endif()
else()
set(CMAKE_INTERPROCEDURAL_OPTIMIZATION FALSE)
set(LTO_ENABLED FALSE)
endif()
if(NOT MDBX_AMALGAMATED_SOURCE)
find_program(VALGRIND valgrind)
if(VALGRIND)
# LY: cmake is ugly and nasty.
# - therefore memcheck-options should be defined before including ctest;
# - otherwise ctest may ignore it.
set(MEMORYCHECK_SUPPRESSIONS_FILE
"${CMAKE_CURRENT_SOURCE_DIR}/test/valgrind_suppress.txt"
CACHE FILEPATH "Suppressions file for Valgrind" FORCE)
set(MEMORYCHECK_COMMAND_OPTIONS
"--trace-children=yes --leak-check=full --track-origins=yes --error-exitcode=42 --error-markers=@ --errors-for-leak-kinds=definite --fair-sched=yes --suppressions=${MEMORYCHECK_SUPPRESSIONS_FILE}"
CACHE STRING "Valgrind options" FORCE)
set(VALGRIND_COMMAND_OPTIONS "${MEMORYCHECK_COMMAND_OPTIONS}" CACHE STRING "Valgrind options" FORCE)
endif()
# Enable 'make tags' target.
find_program(CTAGS ctags)
if(CTAGS)
add_custom_target(tags COMMAND ${CTAGS} -R -f tags
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
add_custom_target(ctags DEPENDS tags)
endif(CTAGS)
if(UNIX)
find_program(CLANG_FORMAT
NAMES clang-format-13 clang-format)
if(CLANG_FORMAT)
execute_process(COMMAND ${CLANG_FORMAT} "--version" OUTPUT_VARIABLE clang_format_version_info)
string(REGEX MATCH "version ([0-9]+)\\.([0-9]+)\\.([0-9]+)(.*)?" clang_format_version_info CLANG_FORMAT_VERSION)
if(clang_format_version_info AND NOT CLANG_FORMAT_VERSION VERSION_LESS 13.0)
# Enable 'make reformat' target.
add_custom_target(reformat
VERBATIM
COMMAND
git ls-files |
grep -E \\.\(c|cxx|cc|cpp|h|hxx|hpp\)\(\\.in\)?\$ |
xargs ${CLANG_FORMAT} -i --style=file
WORKING_DIRECTORY ${CMAKE_SOURCE_DIR})
endif()
endif()
endif()
if(NOT "${PROJECT_BINARY_DIR}" STREQUAL "${PROJECT_SOURCE_DIR}")
add_custom_target(distclean)
add_custom_command(TARGET distclean
COMMAND ${CMAKE_COMMAND} -E remove_directory "${PROJECT_BINARY_DIR}"
COMMENT "Removing the build directory and its content")
elseif(IS_DIRECTORY .git AND GIT)
add_custom_target(distclean)
add_custom_command(TARGET distclean
WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
COMMAND ${GIT} submodule foreach --recursive git clean -f -X -d
COMMAND ${GIT} clean -f -X -d
COMMENT "Removing all build files from the source directory")
endif()
endif(NOT MDBX_AMALGAMATED_SOURCE)
setup_compile_flags()
endif(SUBPROJECT)
list(FIND CMAKE_C_COMPILE_FEATURES c_std_11 HAS_C11)
list(FIND CMAKE_CXX_COMPILE_FEATURES cxx_std_11 HAS_CXX11)
list(FIND CMAKE_CXX_COMPILE_FEATURES cxx_std_14 HAS_CXX14)
list(FIND CMAKE_CXX_COMPILE_FEATURES cxx_std_17 HAS_CXX17)
list(FIND CMAKE_CXX_COMPILE_FEATURES cxx_std_20 HAS_CXX20)
list(FIND CMAKE_CXX_COMPILE_FEATURES cxx_std_23 HAS_CXX23)
if(NOT DEFINED MDBX_CXX_STANDARD)
if(DEFINED ENV{CMAKE_CXX_STANDARD})
set(CMAKE_CXX_STANDARD $ENV{CMAKE_CXX_STANDARD})
endif()
if(DEFINED CMAKE_CXX_STANDARD)
set(MDBX_CXX_STANDARD ${CMAKE_CXX_STANDARD})
elseif(NOT HAS_CXX23 LESS 0
AND NOT (CMAKE_COMPILER_IS_CLANG AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 12))
set(MDBX_CXX_STANDARD 23)
elseif(NOT HAS_CXX20 LESS 0
AND NOT (CMAKE_COMPILER_IS_CLANG AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 10))
set(MDBX_CXX_STANDARD 20)
elseif(NOT HAS_CXX17 LESS 0
AND NOT (CMAKE_COMPILER_IS_CLANG AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5))
set(MDBX_CXX_STANDARD 17)
elseif(NOT HAS_CXX14 LESS 0)
set(MDBX_CXX_STANDARD 14)
elseif(NOT HAS_CXX11 LESS 0)
set(MDBX_CXX_STANDARD 11)
else()
set(MDBX_CXX_STANDARD 98)
endif()
endif()
if(NOT DEFINED MDBX_C_STANDARD)
# MSVC >= 19.28 (Microsoft Visual Studio 16.8) is mad!
# It unable process Windows SDK headers in the C11 mode!
if(HAS_C11 LESS 0 OR (MSVC AND MSVC_VERSION GREATER 1927))
set(MDBX_C_STANDARD 99)
else()
set(MDBX_C_STANDARD 11)
endif()
endif()
if(${CMAKE_SYSTEM_NAME} STREQUAL "Windows" AND EXISTS "${MDBX_SOURCE_DIR}/ntdll.def")
if(MSVC)
if(NOT MSVC_LIB_EXE)
# Find lib.exe
get_filename_component(CL_NAME ${CMAKE_C_COMPILER} NAME)
string(REPLACE cl.exe lib.exe MSVC_LIB_EXE ${CL_NAME})
find_program(MSVC_LIB_EXE ${MSVC_LIB_EXE})
endif()
if(MSVC_LIB_EXE)
message(STATUS "Found MSVC's lib tool: ${MSVC_LIB_EXE}")
set(MDBX_NTDLL_EXTRA_IMPLIB "${CMAKE_CURRENT_BINARY_DIR}/mdbx_ntdll_extra.lib")
add_custom_command(OUTPUT "${MDBX_NTDLL_EXTRA_IMPLIB}"
COMMENT "Create extra-import-library for ntdll.dll"
MAIN_DEPENDENCY "${MDBX_SOURCE_DIR}/ntdll.def"
COMMAND ${MSVC_LIB_EXE} /def:"${MDBX_SOURCE_DIR}/ntdll.def" /out:"${MDBX_NTDLL_EXTRA_IMPLIB}" ${INITIAL_CMAKE_STATIC_LINKER_FLAGS})
else()
message(WARNING "MSVC's lib tool not found")
endif()
elseif(MINGW OR MINGW64)
if(NOT DLLTOOL)
# Find dlltool
get_filename_component(GCC_NAME ${CMAKE_C_COMPILER} NAME)
string(REPLACE gcc dlltool DLLTOOL_NAME ${GCC_NAME})
find_program(DLLTOOL NAMES ${DLLTOOL_NAME})
endif()
if(DLLTOOL)
message(STATUS "Found dlltool: ${DLLTOOL}")
set(MDBX_NTDLL_EXTRA_IMPLIB "${CMAKE_CURRENT_BINARY_DIR}/mdbx_ntdll_extra.a")
add_custom_command(OUTPUT "${MDBX_NTDLL_EXTRA_IMPLIB}"
COMMENT "Create extra-import-library for ntdll.dll"
MAIN_DEPENDENCY "${MDBX_SOURCE_DIR}/ntdll.def"
COMMAND ${DLLTOOL} -d "${MDBX_SOURCE_DIR}/ntdll.def" -l "${MDBX_NTDLL_EXTRA_IMPLIB}")
else()
message(WARNING "dlltool not found")
endif()
endif()
if(MDBX_NTDLL_EXTRA_IMPLIB)
# LY: Sometimes CMake requires a nightmarish magic for simple things.
# 1) create a target out of the library compilation result
add_custom_target(ntdll_extra_target DEPENDS "${MDBX_NTDLL_EXTRA_IMPLIB}")
# 2) create an library target out of the library compilation result
add_library(ntdll_extra STATIC IMPORTED GLOBAL)
add_dependencies(ntdll_extra ntdll_extra_target)
# 3) specify where the library is (and where to find the headers)
set_target_properties(ntdll_extra
PROPERTIES
IMPORTED_LOCATION "${MDBX_NTDLL_EXTRA_IMPLIB}")
endif()
endif()
################################################################################
################################################################################
#
# #### ##### ##### # #### # # ####
# # # # # # # # # ## # #
# # # # # # # # # # # # ####
# # # ##### # # # # # # # #
# # # # # # # # # ## # #
# #### # # # #### # # ####
#
set(MDBX_BUILD_OPTIONS ENABLE_UBSAN ENABLE_ASAN MDBX_USE_VALGRIND ENABLE_GPROF ENABLE_GCOV)
macro(add_mdbx_option NAME DESCRIPTION DEFAULT)
list(APPEND MDBX_BUILD_OPTIONS ${NAME})
if(NOT ${DEFAULT} STREQUAL "AUTO")
option(${NAME} "${DESCRIPTION}" ${DEFAULT})
elseif(NOT DEFINED ${NAME})
set(${NAME}_AUTO ON)
endif()
endmacro()
if(IOS)
set(MDBX_BUILD_TOOLS_DEFAULT OFF)
if(NOT_SUBPROJECT)
cmake_policy(SET CMP0006 OLD)
set(CMAKE_XCODE_ATTRIBUTE_CODE_SIGNING_ALLOWED "NO")
endif()
else()
set(MDBX_BUILD_TOOLS_DEFAULT ON)
endif()
add_mdbx_option(MDBX_INSTALL_STATIC "Build and install libmdbx for static linking" OFF)
add_mdbx_option(MDBX_BUILD_SHARED_LIBRARY "Build libmdbx as shared library (DLL)" ${BUILD_SHARED_LIBS})
add_mdbx_option(MDBX_BUILD_TOOLS "Build MDBX tools (mdbx_chk/stat/dump/load/copy)" ${MDBX_BUILD_TOOLS_DEFAULT})
CMAKE_DEPENDENT_OPTION(MDBX_INSTALL_MANPAGES "Install man-pages for MDBX tools (mdbx_chk/stat/dump/load/copy)" ON MDBX_BUILD_TOOLS OFF)
add_mdbx_option(MDBX_TXN_CHECKOWNER "Checking transaction matches the calling thread inside libmdbx's API" ON)
add_mdbx_option(MDBX_ENV_CHECKPID "Paranoid checking PID inside libmdbx's API" AUTO)
mark_as_advanced(MDBX_ENV_CHECKPID)
if(${CMAKE_SYSTEM_NAME} STREQUAL "Linux")
add_mdbx_option(MDBX_DISABLE_GNU_SOURCE "Don't use GNU/Linux libc extensions" OFF)
mark_as_advanced(MDBX_DISABLE_GNU_SOURCE)
endif()
if(${CMAKE_SYSTEM_NAME} STREQUAL "Darwin" OR IOS)
add_mdbx_option(MDBX_OSX_SPEED_INSTEADOF_DURABILITY "Disable use fcntl(F_FULLFSYNC) in favor of speed" OFF)
mark_as_advanced(MDBX_OSX_SPEED_INSTEADOF_DURABILITY)
endif()
if(${CMAKE_SYSTEM_NAME} STREQUAL "Windows")
if(MDBX_NTDLL_EXTRA_IMPLIB)
add_mdbx_option(MDBX_WITHOUT_MSVC_CRT "Avoid dependence from MSVC CRT and use ntdll.dll instead" OFF)
endif()
else()
add_mdbx_option(MDBX_USE_OFDLOCKS "Use Open file description locks (aka OFD locks, non-POSIX)" AUTO)
mark_as_advanced(MDBX_USE_OFDLOCKS)
endif()
add_mdbx_option(MDBX_LOCKING "Locking method (Win32=-1, SysV=5, POSIX=1988, POSIX=2001, POSIX=2008, Futexes=1995)" AUTO)
mark_as_advanced(MDBX_LOCKING)
add_mdbx_option(MDBX_TRUST_RTC "Does a system have battery-backed Real-Time Clock or just a fake" AUTO)
mark_as_advanced(MDBX_TRUST_RTC)
option(MDBX_FORCE_ASSERTIONS "Force enable assertion checking" OFF)
option(MDBX_DISABLE_PAGECHECKS "Disable some checks to reduce an overhead and detection probability of database corruption to a values closer to the LMDB" OFF)
if(NOT MDBX_AMALGAMATED_SOURCE)
if(CMAKE_CONFIGURATION_TYPES OR CMAKE_BUILD_TYPE_UPPERCASE STREQUAL "DEBUG")
set(MDBX_ALLOY_BUILD_DEFAULT OFF)
else()
set(MDBX_ALLOY_BUILD_DEFAULT ON)
endif()
add_mdbx_option(MDBX_ALLOY_BUILD "Build MDBX library through single/alloyed object file" ${MDBX_ALLOY_BUILD_DEFAULT})
endif()
if((MDBX_BUILD_TOOLS OR MDBX_ENABLE_TESTS) AND MDBX_BUILD_SHARED_LIBRARY)
add_mdbx_option(MDBX_LINK_TOOLS_NONSTATIC "Link MDBX tools with non-static libmdbx" OFF)
else()
unset(MDBX_LINK_TOOLS_NONSTATIC CACHE)
endif()
if(CMAKE_CXX_COMPILER_LOADED AND MDBX_CXX_STANDARD GREATER_EQUAL 11 AND MDBX_CXX_STANDARD LESS 83)
if(NOT MDBX_AMALGAMATED_SOURCE)
option(MDBX_ENABLE_TESTS "Build MDBX tests" ${BUILD_TESTING})
endif()
if(NOT MDBX_WITHOUT_MSVC_CRT
AND NOT (CMAKE_COMPILER_IS_GNUCXX AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.8)
AND NOT (CMAKE_COMPILER_IS_CLANG AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 3.9)
AND NOT (MSVC AND MSVC_VERSION LESS 1900))
option(MDBX_BUILD_CXX "Build C++ portion" ON)
else()
set(MDBX_BUILD_CXX FALSE)
endif()
else()
set(MDBX_BUILD_CXX FALSE)
set(MDBX_ENABLE_TESTS FALSE)
endif()
################################################################################
################################################################################
if(MDBX_BUILD_CXX AND NOT CMAKE_CXX_COMPILER_LOADED)
message(FATAL_ERROR "MDBX_BUILD_CXX=${MDBX_BUILD_CXX}: The C++ compiler is required to build the C++API.")
endif()
# Get version
fetch_version(MDBX "${CMAKE_CURRENT_SOURCE_DIR}" FALSE)
message(STATUS "libmdbx version is ${MDBX_VERSION}")
# sources list
set(LIBMDBX_PUBLIC_HEADERS mdbx.h)
set(LIBMDBX_SOURCES mdbx.h "${CMAKE_CURRENT_BINARY_DIR}/config.h")
if(MDBX_AMALGAMATED_SOURCE)
list(APPEND LIBMDBX_SOURCES mdbx.c)
else()
# generate version file
configure_file("${MDBX_SOURCE_DIR}/version.c.in"
"${CMAKE_CURRENT_BINARY_DIR}/version.c" ESCAPE_QUOTES)
file(SHA256 "${CMAKE_CURRENT_BINARY_DIR}/version.c" MDBX_SOURCERY_DIGEST)
string(MAKE_C_IDENTIFIER "${MDBX_GIT_DESCRIBE}" MDBX_SOURCERY_SUFFIX)
set(MDBX_BUILD_SOURCERY "${MDBX_SOURCERY_DIGEST}_${MDBX_SOURCERY_SUFFIX}")
if(MDBX_ALLOY_BUILD)
list(APPEND LIBMDBX_SOURCES "${MDBX_SOURCE_DIR}/alloy.c")
include_directories("${MDBX_SOURCE_DIR}" "${CMAKE_CURRENT_BINARY_DIR}")
else()
list(APPEND LIBMDBX_SOURCES
"${CMAKE_CURRENT_BINARY_DIR}/version.c"
"${MDBX_SOURCE_DIR}/options.h" "${MDBX_SOURCE_DIR}/defs.h"
"${MDBX_SOURCE_DIR}/internals.h" "${MDBX_SOURCE_DIR}/osal.h"
"${MDBX_SOURCE_DIR}/core.c" "${MDBX_SOURCE_DIR}/osal.c"
"${MDBX_SOURCE_DIR}/lck-posix.c" "${MDBX_SOURCE_DIR}/lck-windows.c")
include_directories("${MDBX_SOURCE_DIR}")
endif()
endif(MDBX_AMALGAMATED_SOURCE)
if(MDBX_BUILD_CXX)
message(STATUS "Use C${MDBX_C_STANDARD} and C++${MDBX_CXX_STANDARD} for libmdbx")
list(APPEND LIBMDBX_PUBLIC_HEADERS mdbx.h++)
list(APPEND LIBMDBX_SOURCES "${MDBX_SOURCE_DIR}/mdbx.c++" mdbx.h++)
else()
message(STATUS "Use C${MDBX_C_STANDARD} for libmdbx but C++ portion is disabled")
endif()
if(SUBPROJECT AND MSVC)
if(MSVC_VERSION LESS 1900)
message(FATAL_ERROR "At least \"Microsoft C/C++ Compiler\" version 19.0.24234.1 (Visual Studio 2015 Update 3) is required.")
endif()
add_compile_options("/utf-8")
endif()
macro(target_setup_options TARGET)
if(DEFINED INTERPROCEDURAL_OPTIMIZATION)
set_target_properties(${TARGET} PROPERTIES
INTERPROCEDURAL_OPTIMIZATION $<BOOL:${INTERPROCEDURAL_OPTIMIZATION}>)
endif()
set_target_properties(${TARGET} PROPERTIES
C_STANDARD ${MDBX_C_STANDARD} C_STANDARD_REQUIRED ON)
if(MDBX_BUILD_CXX)
set_target_properties(${TARGET} PROPERTIES
CXX_STANDARD ${MDBX_CXX_STANDARD} CXX_STANDARD_REQUIRED ON)
if(MSVC AND NOT MSVC_VERSION LESS 1910)
target_compile_options(${TARGET} INTERFACE "/Zc:__cplusplus")
endif()
endif()
if(CC_HAS_FASTMATH
AND NOT (CMAKE_COMPILER_IS_CLANG AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 10))
target_compile_options(${TARGET} PRIVATE "-ffast-math")
endif()
if(CC_HAS_VISIBILITY)
target_compile_options(${TARGET} PRIVATE "-fvisibility=hidden")
endif()
if(BUILD_FOR_NATIVE_CPU AND CC_HAS_ARCH_NATIVE)
target_compile_options(${TARGET} PRIVATE "-march=native")
endif()
endmacro()
macro(libmdbx_setup_libs TARGET MODE)
target_link_libraries(${TARGET} ${MODE} Threads::Threads)
if(${CMAKE_SYSTEM_NAME} STREQUAL "Windows")
target_link_libraries(${TARGET} ${MODE} ntdll)
if(MDBX_NTDLL_EXTRA_IMPLIB AND MDBX_WITHOUT_MSVC_CRT)
target_link_libraries(${TARGET} ${MODE} ntdll_extra)
endif()
elseif(${CMAKE_SYSTEM_NAME} STREQUAL "SunOS" OR ${CMAKE_SYSTEM_NAME} STREQUAL "Solaris")
target_link_libraries(${TARGET} ${MODE} kstat)
elseif(${CMAKE_SYSTEM_NAME} STREQUAL "Android")
target_link_libraries(${TARGET} ${MODE} log)
endif()
if(MDBX_CXX_STANDARD GREATER_EQUAL 17 AND LIBCXX_FILESYSTEM AND MDBX_BUILD_CXX)
target_link_libraries(${TARGET} ${MODE} ${LIBCXX_FILESYSTEM})
endif()
endmacro()
# build static library
if(MDBX_INSTALL_STATIC)
add_library(mdbx-static STATIC ${LIBMDBX_SOURCES})
else()
add_library(mdbx-static STATIC EXCLUDE_FROM_ALL ${LIBMDBX_SOURCES})
endif()
set_target_properties(mdbx-static PROPERTIES PUBLIC_HEADER "${LIBMDBX_PUBLIC_HEADERS}")
target_compile_definitions(mdbx-static PRIVATE MDBX_BUILD_SHARED_LIBRARY=0)
target_setup_options(mdbx-static)
libmdbx_setup_libs(mdbx-static INTERFACE)
if(MDBX_BUILD_SHARED_LIBRARY)
set_target_properties(mdbx-static PROPERTIES OUTPUT_NAME mdbx-static)
else()
set_target_properties(mdbx-static PROPERTIES OUTPUT_NAME mdbx)
endif()
################################################################################
# build shared library
if(MDBX_BUILD_SHARED_LIBRARY)
add_library(mdbx SHARED ${LIBMDBX_SOURCES})
set_target_properties(mdbx PROPERTIES PUBLIC_HEADER "${LIBMDBX_PUBLIC_HEADERS}")
target_compile_definitions(mdbx PRIVATE LIBMDBX_EXPORTS MDBX_BUILD_SHARED_LIBRARY=1 INTERFACE LIBMDBX_IMPORTS)
target_setup_options(mdbx)
libmdbx_setup_libs(mdbx PRIVATE)
if(MSVC)
if(MDBX_NTDLL_EXTRA_IMPLIB AND MDBX_WITHOUT_MSVC_CRT)
set_property(TARGET mdbx PROPERTY LINKER_FLAGS "/NODEFAULTLIB")
else()
set_property(TARGET mdbx PROPERTY MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>DLL")
endif()
endif()
if(CC_HAS_VISIBILITY AND (LTO_ENABLED OR INTERPROCEDURAL_OPTIMIZATION))
set_target_properties(mdbx PROPERTIES LINK_FLAGS "-fvisibility=hidden")
endif()
list(APPEND MDBX_BUILD_FLAGS ${CMAKE_SHARED_LINKER_FLAGS})
endif()
if(MDBX_BUILD_SHARED_LIBRARY AND MDBX_LINK_TOOLS_NONSTATIC)
set(TOOL_MDBX_LIB mdbx)
# use, i.e. don't skip the full RPATH for the build tree
set(CMAKE_SKIP_BUILD_RPATH FALSE)
# when building, don't use the install RPATH already (but later on when installing)
set(CMAKE_BUILD_WITH_INSTALL_RPATH FALSE)
# add the automatically determined parts of the RPATH
# which point to directories outside the build tree to the install RPATH
set(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)
# the RPATH to be used when installing, but only if it's not a system directory
list(FIND CMAKE_PLATFORM_IMPLICIT_LINK_DIRECTORIES "${CMAKE_INSTALL_PREFIX}/lib" isSystemDir)
if(isSystemDir EQUAL -1)
if(${CMAKE_SYSTEM_NAME} STREQUAL "Darwin")
set(CMAKE_INSTALL_RPATH "@executable_path/../lib")
else()
set(CMAKE_INSTALL_RPATH "\$ORIGIN/../lib")
endif()
endif()
else()
set(TOOL_MDBX_LIB mdbx-static)
endif()
# build mdbx-tools
if(MDBX_BUILD_TOOLS)
if(NOT MDBX_AMALGAMATED_SOURCE AND ${CMAKE_SYSTEM_NAME} STREQUAL "Windows")
set(WINGETOPT_SRC ${MDBX_SOURCE_DIR}/wingetopt.c ${MDBX_SOURCE_DIR}/wingetopt.h)
else()
set(WINGETOPT_SRC "")
endif()
foreach(TOOL mdbx_chk mdbx_copy mdbx_stat mdbx_dump mdbx_load mdbx_drop)
add_executable(${TOOL} mdbx.h ${MDBX_SOURCE_DIR}/${TOOL}.c ${WINGETOPT_SRC})
if(MDBX_C_STANDARD)
set_target_properties(${TOOL} PROPERTIES
C_STANDARD ${MDBX_C_STANDARD} C_STANDARD_REQUIRED ON)
endif()
target_setup_options(${TOOL})
target_link_libraries(${TOOL} ${TOOL_MDBX_LIB})
endforeach()
if(LIB_MATH)
target_link_libraries(mdbx_chk ${LIB_MATH})
target_link_libraries(mdbx_stat ${LIB_MATH})
endif()
endif()
################################################################################
# mdbx-shared-lib installation
if(NOT DEFINED MDBX_DLL_INSTALL_DESTINATION)
if(WIN32)
set(MDBX_DLL_INSTALL_DESTINATION ${CMAKE_INSTALL_BINDIR})
else()
set(MDBX_DLL_INSTALL_DESTINATION ${CMAKE_INSTALL_LIBDIR})
endif()
endif()
if(MDBX_BUILD_SHARED_LIBRARY)
if(CMAKE_VERSION VERSION_LESS 3.12)
install(TARGETS mdbx EXPORT libmdbx
LIBRARY DESTINATION ${MDBX_DLL_INSTALL_DESTINATION} COMPONENT runtime
OBJECTS DESTINATION ${CMAKE_INSTALL_LIBDIR} COMPONENT devel
ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR} COMPONENT devel
PUBLIC_HEADER DESTINATION ${CMAKE_INSTALL_INCLUDEDIR} COMPONENT devel
INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR} COMPONENT devel)
else()
install(TARGETS mdbx EXPORT libmdbx
LIBRARY DESTINATION ${MDBX_DLL_INSTALL_DESTINATION} COMPONENT runtime
NAMELINK_COMPONENT devel
OBJECTS DESTINATION ${CMAKE_INSTALL_LIBDIR} COMPONENT devel
ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR} COMPONENT devel
PUBLIC_HEADER DESTINATION ${CMAKE_INSTALL_INCLUDEDIR} COMPONENT devel
INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR} COMPONENT devel)
endif()
endif(MDBX_BUILD_SHARED_LIBRARY)
# mdbx-tools installation
if(MDBX_BUILD_TOOLS)
if(NOT DEFINED MDBX_TOOLS_INSTALL_DESTINATION)
set(MDBX_TOOLS_INSTALL_DESTINATION ${CMAKE_INSTALL_BINDIR})
endif()
install(
TARGETS
mdbx_chk
mdbx_stat
mdbx_copy
mdbx_dump
mdbx_load
mdbx_drop
RUNTIME
DESTINATION ${MDBX_TOOLS_INSTALL_DESTINATION}
COMPONENT runtime)
if(MDBX_INSTALL_MANPAGES)
if(NOT DEFINED MDBX_MAN_INSTALL_DESTINATION)
set(MDBX_MAN_INSTALL_DESTINATION ${CMAKE_INSTALL_MANDIR}/man1)
endif()
install(
FILES
"${MDBX_SOURCE_DIR}/man1/mdbx_chk.1"
"${MDBX_SOURCE_DIR}/man1/mdbx_stat.1"
"${MDBX_SOURCE_DIR}/man1/mdbx_copy.1"
"${MDBX_SOURCE_DIR}/man1/mdbx_dump.1"
"${MDBX_SOURCE_DIR}/man1/mdbx_load.1"
"${MDBX_SOURCE_DIR}/man1/mdbx_drop.1"
DESTINATION ${MDBX_MAN_INSTALL_DESTINATION}
COMPONENT doc)
endif()
endif(MDBX_BUILD_TOOLS)
# mdbx-static-lib installation
if(MDBX_INSTALL_STATIC)
if(CMAKE_VERSION VERSION_LESS 3.12)
install(TARGETS mdbx-static EXPORT libmdbx
LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR} COMPONENT devel
OBJECTS DESTINATION ${CMAKE_INSTALL_LIBDIR} COMPONENT devel
ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR} COMPONENT devel
PUBLIC_HEADER DESTINATION ${CMAKE_INSTALL_INCLUDEDIR} COMPONENT devel
INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR} COMPONENT devel)
else()
install(TARGETS mdbx-static EXPORT libmdbx
LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR} COMPONENT devel
NAMELINK_COMPONENT devel
OBJECTS DESTINATION ${CMAKE_INSTALL_LIBDIR} COMPONENT devel
ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR} COMPONENT devel
PUBLIC_HEADER DESTINATION ${CMAKE_INSTALL_INCLUDEDIR} COMPONENT devel
INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR} COMPONENT devel)
endif()
endif(MDBX_INSTALL_STATIC)
################################################################################
# collect options & build info
if(NOT DEFINED MDBX_BUILD_TIMESTAMP)
string(TIMESTAMP MDBX_BUILD_TIMESTAMP UTC)
endif()
set(MDBX_BUILD_FLAGS ${CMAKE_C_FLAGS})
if(MDBX_BUILD_CXX)
set(MDBX_BUILD_FLAGS ${CMAKE_CXX_FLAGS})
endif()
# append cmake's build-type flags and defines
if(NOT CMAKE_CONFIGURATION_TYPES)
list(APPEND MDBX_BUILD_FLAGS ${CMAKE_C_FLAGS_${CMAKE_BUILD_TYPE_UPPERCASE}})
if(MDBX_BUILD_CXX)
list(APPEND MDBX_BUILD_FLAGS ${CMAKE_CXX_FLAGS_${CMAKE_BUILD_TYPE_UPPERCASE}})
endif()
endif()
# choice target to fetch definitions and options
if(MDBX_BUILD_SHARED_LIBRARY)
set(target4fetch mdbx)
else()
set(target4fetch mdbx-static)
endif()
# get definitions
get_target_property(defs_list ${target4fetch} COMPILE_DEFINITIONS)
if(defs_list)
list(APPEND MDBX_BUILD_FLAGS ${defs_list})
endif()
# get target compile options
get_target_property(options_list ${target4fetch} COMPILE_OPTIONS)
if(options_list)
list(APPEND MDBX_BUILD_FLAGS ${options_list})
endif()
list(REMOVE_DUPLICATES MDBX_BUILD_FLAGS)
string(REPLACE ";" " " MDBX_BUILD_FLAGS "${MDBX_BUILD_FLAGS}")
if(CMAKE_CONFIGURATION_TYPES)
# add dynamic part via per-configuration define
message(STATUS "MDBX Compile Flags: ${MDBX_BUILD_FLAGS} <AND CONFIGURATION DEPENDENT>")
add_definitions(-DMDBX_BUILD_FLAGS_CONFIG="$<$<CONFIG:Debug>:${CMAKE_C_FLAGS_DEBUG} ${CMAKE_C_DEFINES_DEBUG}>$<$<CONFIG:Release>:${CMAKE_C_FLAGS_RELEASE} ${CMAKE_C_DEFINES_RELEASE}>$<$<CONFIG:RelWithDebInfo>:${CMAKE_C_FLAGS_RELWITHDEBINFO} ${CMAKE_C_DEFINES_RELWITHDEBINFO}>$<$<CONFIG:MinSizeRel>:${CMAKE_C_FLAGS_MINSIZEREL} ${CMAKE_C_DEFINES_MINSIZEREL}>")
else()
message(STATUS "MDBX Compile Flags: ${MDBX_BUILD_FLAGS}")
endif()
# get compiler info
execute_process(COMMAND sh -c "${CMAKE_C_COMPILER} --version | head -1"
OUTPUT_VARIABLE MDBX_BUILD_COMPILER
OUTPUT_STRIP_TRAILING_WHITESPACE
ERROR_QUIET
RESULT_VARIABLE rc)
if(rc OR NOT MDBX_BUILD_COMPILER)
string(STRIP "${CMAKE_C_COMPILER_ID}-${CMAKE_C_COMPILER_VERSION}" MDBX_BUILD_COMPILER)
endif()
# make a build-target triplet
if(CMAKE_C_COMPILER_TARGET)
set(MDBX_BUILD_TARGET "${CMAKE_C_COMPILER_TARGET}")
elseif(CMAKE_C_PLATFORM_ID AND NOT CMAKE_C_PLATFORM_ID STREQUAL CMAKE_SYSTEM_NAME)
string(STRIP "${CMAKE_C_PLATFORM_ID}-${CMAKE_SYSTEM_NAME}" MDBX_BUILD_TARGET)
elseif(CMAKE_LIBRARY_ARCHITECTURE)
string(STRIP "${CMAKE_LIBRARY_ARCHITECTURE}-${CMAKE_SYSTEM_NAME}" MDBX_BUILD_TARGET)
elseif(CMAKE_GENERATOR_PLATFORM AND NOT CMAKE_C_PLATFORM_ID STREQUAL CMAKE_SYSTEM_NAME)
string(STRIP "${CMAKE_GENERATOR_PLATFORM}-${CMAKE_SYSTEM_NAME}" MDBX_BUILD_TARGET)
elseif(CMAKE_SYSTEM_ARCH)
string(STRIP "${CMAKE_SYSTEM_ARCH}-${CMAKE_SYSTEM_NAME}" MDBX_BUILD_TARGET)
else()
string(STRIP "${CMAKE_SYSTEM_PROCESSOR}-${CMAKE_SYSTEM_NAME}" MDBX_BUILD_TARGET)
endif()
# provide build-type
if(CMAKE_CONFIGURATION_TYPES)
# via per-configuration define
add_definitions(-DMDBX_BUILD_TYPE="$<CONFIG>")
set(MDBX_BUILD_TYPE "<CONFIGURATION DEPENDENT>")
else()
set(MDBX_BUILD_TYPE ${CMAKE_BUILD_TYPE})
endif()
# options
set(options VERSION C_COMPILER CXX_COMPILER MDBX_BUILD_TARGET MDBX_BUILD_TYPE ${MDBX_BUILD_OPTIONS})
foreach(item IN LISTS options)
if(DEFINED ${item})
set(value "${${item}}")
elseif(DEFINED MDBX_${item})
set(item MDBX_${item})
set(value "${${item}}")
elseif(DEFINED CMAKE_${item})
set(item CMAKE_${item})
set(value "${${item}}")
else()
set(value "AUTO (not pre-defined explicitly)")
endif()
message(STATUS "${item}: ${value}")
endforeach(item)
# provide config.h for library build info
configure_file("${MDBX_SOURCE_DIR}/config.h.in"
"${CMAKE_CURRENT_BINARY_DIR}/config.h" ESCAPE_QUOTES)
add_definitions(-DMDBX_CONFIG_H="${CMAKE_CURRENT_BINARY_DIR}/config.h")
################################################################################
if(NOT MDBX_AMALGAMATED_SOURCE AND MDBX_ENABLE_TESTS)
if(NOT CMAKE_CXX_COMPILER_LOADED)
message(FATAL_ERROR "MDBX_ENABLE_TESTS=${MDBX_ENABLE_TESTS}: The C++ compiler is required to build the tests.")
endif()
add_subdirectory(test)
endif()
################################################################################
set(PACKAGE "libmdbx")
set(CPACK_PACKAGE_VERSION_MAJOR ${MDBX_VERSION_MAJOR})
set(CPACK_PACKAGE_VERSION_MINOR ${MDBX_VERSION_MINOR})
set(CPACK_PACKAGE_VERSION_PATCH ${MDBX_VERSION_RELEASE})
set(CPACK_PACKAGE_VERSION_COMMIT ${MDBX_VERSION_REVISION})
set(PACKAGE_VERSION "${CPACK_PACKAGE_VERSION_MAJOR}.${CPACK_PACKAGE_VERSION_MINOR}.${CPACK_PACKAGE_VERSION_PATCH}.${CPACK_PACKAGE_VERSION_COMMIT}")
message(STATUS "libmdbx package version is ${PACKAGE_VERSION}")
cmake_policy(POP)
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