CMakeLists.txt

# Copyright (c) 2006, 2016, Oracle and/or its affiliates. All rights reserved.
# 
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License.
# 
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
# 
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA

CMAKE_MINIMUM_REQUIRED(VERSION 2.6)
# Avoid warnings in higher versions
if("${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}" GREATER 2.6)
 CMAKE_POLICY(VERSION 2.8)
endif()

# We use CMAKE_SHARED_LIBRARY_<Lang>_FLAGS. See cmake --help-policy CMP0018
IF(CMAKE_VERSION VERSION_GREATER "2.8.8")
  CMAKE_POLICY(SET CMP0018 OLD)
ENDIF()

# We use PROPERTIES LINK_INTERFACE_LIBRARIES. See cmake --help-policy CMP0022
IF(CMAKE_VERSION VERSION_EQUAL "2.8.12" OR
   CMAKE_VERSION VERSION_GREATER "2.8.12")
 CMAKE_POLICY(SET CMP0022 OLD)
ENDIF()

# We use the LOCATION target property (CMP0026)
# and get_target_property() for non-existent targets (CMP0045)
# and INSTALL_NAME_DIR (CMP0042)
IF(CMAKE_VERSION VERSION_EQUAL "3.0.0" OR
   CMAKE_VERSION VERSION_GREATER "3.0.0")
 CMAKE_POLICY(SET CMP0026 OLD)
 CMAKE_POLICY(SET CMP0045 OLD)
 CMAKE_POLICY(SET CMP0042 OLD)
ENDIF()

MESSAGE(STATUS "Running cmake version ${CMAKE_VERSION}")

# Will set GIT_EXECUTABLE and GIT_FOUND
FIND_PACKAGE(Git)

SET(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${CMAKE_SOURCE_DIR}/cmake)

# First, decide about build type (debug or release)
# If custom compiler flags are set or cmake is invoked with -DCMAKE_BUILD_TYPE, 
# respect user wishes and do not (re)define CMAKE_BUILD_TYPE.
# If unset, set CMAKE_BUILD_TYPE = RelWithDebInfo


IF(DEFINED CMAKE_BUILD_TYPE)
  SET(HAVE_CMAKE_BUILD_TYPE TRUE)
ENDIF()
SET(CUSTOM_C_FLAGS $ENV{CFLAGS})

OPTION(WITH_DEBUG "Use dbug/safemutex" OFF)

# Distinguish between community and non-community builds, with the
# default being a community build. This does not impact the feature
# set that will be compiled in; it's merely provided as a hint to
# custom packaging steps.
OPTION(COMMUNITY_BUILD "Set to true if this is a community build" ON) 

# Use a default manufacturer if no manufacturer was identified.
SET(MANUFACTURER_DOCSTRING
  "Set the entity that appears as the manufacturer of packages that support a manufacturer field.")
IF(NOT DEFINED MANUFACTURER) 
  SET(MANUFACTURER "Built from Source" CACHE  STRING ${MANUFACTURER_DOCSTRING})
  MARK_AS_ADVANCED(MANUFACTURER)
ENDIF()

# We choose NOT to provide WITH_DEBUG as "alias" to standard
# CMAKE_BUILD_TYPE=Debug... because that just causes confusion

SET(BUILDTYPE_DOCSTRING
 "Choose the type of build, options are: None(CMAKE_CXX_FLAGS or
 CMAKE_C_FLAGS used) Debug Release RelWithDebInfo MinSizeRel")

IF(WITH_DEBUG)
  MESSAGE(FATAL_ERROR "Option '-DWITH_DEBUG' is no longer supported.  Use '-DCMAKE_BUILD_TYPE=Debug' instead.")
ENDIF()

IF(NOT HAVE_CMAKE_BUILD_TYPE)
  SET(CMAKE_BUILD_TYPE "RelWithDebInfo" CACHE STRING
      ${BUILDTYPE_DOCSTRING} FORCE)
ENDIF()

# Optionally set project name, e.g.
# foo.xcodeproj (mac) or foo.sln (windows)
SET(MYSQL_PROJECT_NAME_DOCSTRING "MySQL project name")
IF(DEFINED MYSQL_PROJECT_NAME)
  SET(MYSQL_PROJECT_NAME ${MYSQL_PROJECT_NAME} CACHE STRING
      ${MYSQL_PROJECT_NAME_DOCSTRING} FORCE)
ELSE()
  SET(MYSQL_PROJECT_NAME "MySQL" CACHE STRING
      ${MYSQL_PROJECT_NAME_DOCSTRING} FORCE)
  MARK_AS_ADVANCED(MYSQL_PROJECT_NAME)
ENDIF()
PROJECT(${MYSQL_PROJECT_NAME})

# Maintainer mode is default on only for Linux debug builds using GCC/G++
IF(CMAKE_BUILD_TYPE MATCHES "Debug" OR WITH_DEBUG)
  IF(CMAKE_SYSTEM_NAME MATCHES "Linux" AND
     CMAKE_COMPILER_IS_GNUCC AND CMAKE_COMPILER_IS_GNUCXX)
    SET(MYSQL_MAINTAINER_MODE ON CACHE BOOL
        "MySQL maintainer-specific development environment")
  ENDIF()
ENDIF()

OPTION(WITH_DEFAULT_COMPILER_OPTIONS
  "Use flags from cmake/build_configurations/compiler_options.cmake"
  ON)
OPTION(WITH_DEFAULT_FEATURE_SET
  "Use feature set in cmake/build_configurations/feature_set.cmake"
  ON)
IF(BUILD_CONFIG)
  INCLUDE(
  ${CMAKE_SOURCE_DIR}/cmake/build_configurations/${BUILD_CONFIG}.cmake)
ENDIF()

#cmake on 64bit windows/mac/solaris doesn't set CMAKE_SYSTEM_PROCESSOR correctly
SET(MYSQL_MACHINE_TYPE ${CMAKE_SYSTEM_PROCESSOR})

SET(MYSQL_COMPILER_TYPE ${CMAKE_CXX_COMPILER_ID})

# Include the platform-specific file. To allow exceptions, this code
# looks for files in order of how specific they are. If there is, for
# example, a generic Linux.cmake and a version-specific
# Linux-2.6.28-11-generic, it will pick Linux-2.6.28-11-generic and
# include it. It is then up to the file writer to include the generic
# version if necessary.
FOREACH(_base
    ${CMAKE_SYSTEM_NAME}-${CMAKE_SYSTEM_VERSION}-${CMAKE_SYSTEM_PROCESSOR}
    ${CMAKE_SYSTEM_NAME}-${CMAKE_SYSTEM_VERSION}
    ${CMAKE_SYSTEM_NAME})
  SET(_file ${CMAKE_SOURCE_DIR}/cmake/os/${_base}.cmake)
  IF(EXISTS ${_file})
    INCLUDE(${_file})
    BREAK()
  ENDIF()
ENDFOREACH()


IF(UNIX)
  OPTION(WITH_INNODB_MEMCACHED "" OFF)
  OPTION(ENABLE_MEMCACHED_SASL "Enable SASL on InnoDB Memcached" OFF)
  OPTION(ENABLE_MEMCACHED_SASL_PWDB "Enable SASL on InnoDB Memcached" OFF)
ELSE()
  OPTION(WITH_INNODB_MEMCACHED "" OFF)
ENDIF()
 
# Following autotools tradition, add preprocessor definitions
# specified in environment variable CPPFLAGS
IF(DEFINED ENV{CPPFLAGS})
  ADD_DEFINITIONS($ENV{CPPFLAGS})
ENDIF()

INCLUDE(CheckTypeSize)
CHECK_TYPE_SIZE("void *" SIZEOF_VOIDP)
IF(WITH_DEFAULT_COMPILER_OPTIONS)
  INCLUDE(${CMAKE_SOURCE_DIR}/cmake/build_configurations/compiler_options.cmake)
ENDIF()
IF(WITH_DEFAULT_FEATURE_SET)
  INCLUDE(${CMAKE_SOURCE_DIR}/cmake/build_configurations/feature_set.cmake)
ENDIF()

# Add macros
INCLUDE(character_sets)
INCLUDE(cpu_info)
INCLUDE(zlib)
INCLUDE(zstd)
INCLUDE(lz4)
INCLUDE(libevent)
INCLUDE(ssl)
INCLUDE(readline)
INCLUDE(mysql_version)
INCLUDE(libutils)
INCLUDE(dtrace)
INCLUDE(plugin)
INCLUDE(install_macros)
INCLUDE(install_layout)
INCLUDE(mysql_add_executable)

# Handle options
OPTION(DISABLE_SHARED 
 "Don't build shared libraries, compile code as position-dependent" OFF)
IF(DISABLE_SHARED)
  SET(WITHOUT_DYNAMIC_PLUGINS 1)
ENDIF()
OPTION(ENABLED_PROFILING "Enable profiling" ON)
OPTION(CYBOZU "" OFF)
OPTION(BACKUP_TEST "" OFF)
OPTION(WITHOUT_SERVER OFF)
IF(UNIX)
  OPTION(WITH_VALGRIND "Valgrind instrumentation" OFF)
ENDIF()
IF(NOT WITHOUT_SERVER)
  OPTION (WITH_UNIT_TESTS "Compile MySQL with unit tests" ON)
ENDIF()
MARK_AS_ADVANCED(CYBOZU BACKUP_TEST WITHOUT_SERVER DISABLE_SHARED)


include(CheckCSourceCompiles)
include(CheckCXXSourceCompiles)
# We need some extra FAIL_REGEX patterns
# Note that CHECK_C_SOURCE_COMPILES is a misnomer, it will also link.
MACRO (MY_CHECK_C_COMPILER_FLAG FLAG RESULT)
  SET(SAVE_CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS}")
  SET(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} ${FLAG}")
  # As mentioned above, CMAKE_C_SOURCE_COMPILES not only compiles the source
  # but also performs linking to create the binary. The problem is that cmake
  # automatically appends CFLAGS to the linker command, and there's no way to
  # stop that.
  # When '-nostdinc' option is included in CFLAGS, clang spits
  # 'unused-command-line-argument' warning as the option is only valid for
  # a compiler but not for a linker. Here we temporarily silience the warning
  # for linking to pass the check. The warning is still enabled for the
  # compilation command.
  IF(CMAKE_C_COMPILER_ID MATCHES "Clang")
    SET(SAVE_CMAKE_REQUIRED_LIBRARIES "${CMAKE_REQUIRED_LIBRARIES}")
    SET(CMAKE_REQUIRED_LIBRARIES "${CMAKE_REQUIRED_LIBRARIES} \
        -Wno-unused-command-line-argument")
  ENDIF()
  CHECK_C_SOURCE_COMPILES("int main(void) { return 0; }" ${RESULT}
    FAIL_REGEX "argument unused during compilation"
    FAIL_REGEX "unsupported .*option"
    FAIL_REGEX "unknown .*option"
    FAIL_REGEX "unrecognized .*option"
    FAIL_REGEX "ignoring unknown option"
    FAIL_REGEX "[Ww]arning: [Oo]ption"
    )
  SET(CMAKE_REQUIRED_FLAGS "${SAVE_CMAKE_REQUIRED_FLAGS}")
  IF(CMAKE_C_COMPILER_ID MATCHES "Clang")
    SET(CMAKE_REQUIRED_LIBRARIES "${SAVE_CMAKE_REQUIRED_LIBRARIES}")
  ENDIF()
ENDMACRO()

MACRO (MY_CHECK_CXX_COMPILER_FLAG FLAG RESULT)
  SET(SAVE_CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS}")
  SET(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} ${FLAG}")
  IF(CMAKE_C_COMPILER_ID MATCHES "Clang")
    SET(SAVE_CMAKE_REQUIRED_LIBRARIES "${CMAKE_REQUIRED_LIBRARIES}")
    SET(CMAKE_REQUIRED_LIBRARIES "${CMAKE_REQUIRED_LIBRARIES} \
        -Wno-unused-command-line-argument")
  ENDIF()
  CHECK_CXX_SOURCE_COMPILES("int main(void) { return 0; }" ${RESULT}
    FAIL_REGEX "unsupported .*option"
    FAIL_REGEX "unknown .*option"
    FAIL_REGEX "unrecognized .*option"
    FAIL_REGEX "ignoring unknown option"
    FAIL_REGEX "[Ww]arning: [Oo]ption"
    )
  SET(CMAKE_REQUIRED_FLAGS "${SAVE_CMAKE_REQUIRED_FLAGS}")
  IF(CMAKE_C_COMPILER_ID MATCHES "Clang")
    SET(CMAKE_REQUIRED_LIBRARIES "${SAVE_CMAKE_REQUIRED_LIBRARIES}")
  ENDIF()
ENDMACRO()

MACRO(MY_SANITIZER_CHECK SAN_OPT RESULT)
  MY_CHECK_C_COMPILER_FLAG("${SAN_OPT}" C_RESULT)
  MY_CHECK_CXX_COMPILER_FLAG("${SAN_OPT}" CXX_RESULT)

  IF(C_RESULT AND CXX_RESULT)
    # We switch on basic optimization also for debug builds.
    # With optimization we may get some warnings, so we switch off -Werror
    SET(CMAKE_C_FLAGS_DEBUG
      "${CMAKE_C_FLAGS_DEBUG} ${SAN_OPT} -O1 -Wno-error -fPIC")
    SET(CMAKE_C_FLAGS_RELEASE
      "${CMAKE_C_FLAGS_RELEASE} ${SAN_OPT} -fPIC")
    SET(CMAKE_C_FLAGS_RELWITHDEBINFO
      "${CMAKE_C_FLAGS_RELWITHDEBINFO} ${SAN_OPT} -fPIC")
    SET(CMAKE_CXX_FLAGS_DEBUG
      "${CMAKE_CXX_FLAGS_DEBUG} ${SAN_OPT} -O1 -Wno-error -fPIC")
    SET(CMAKE_CXX_FLAGS_RELEASE
      "${CMAKE_CXX_FLAGS_RELEASE} ${SAN_OPT} -fPIC")
    SET(CMAKE_CXX_FLAGS_RELWITHDEBINFO
      "${CMAKE_CXX_FLAGS_RELWITHDEBINFO} ${SAN_OPT} -fPIC")

    IF (NOT (CMAKE_C_COMPILER_ID MATCHES "Clang"))
      IF(WITH_FB_TSAN)
        # fPIC implies PIC version of the TSan library.
        SET(CMAKE_C_STANDARD_LIBRARIES " -ltsan_pic")
        SET(CMAKE_CXX_STANDARD_LIBRARIES " -ltsan_pic")
      ELSEIF(WITH_TSAN)
        # This combination is tested only on Ubuntu 15.10. YMMV on other OS-s.
        SET(CMAKE_C_STANDARD_LIBRARIES " -static-libtsan")
        SET(CMAKE_CXX_STANDARD_LIBRARIES " -static-libtsan")
      ENDIF()
    ELSE()
      if (DEFINED ENV{SAN_SYMBOLIZER_FLAGS})
        MESSAGE(STATUS "SAN_SYMBOLIZER_FLAGS defined")
        SET(CMAKE_EXE_LINKER_FLAGS
            "${CMAKE_EXE_LINKER_FLAGS} $ENV{SAN_SYMBOLIZER_FLAGS}")
      ENDIF()
    ENDIF()

    SET(${RESULT} 1)
  ELSE()
    SET(${RESULT} 0)
  ENDIF()
ENDMACRO()

OPTION(WITH_ASAN "Enable address sanitizer" OFF)
IF(WITH_ASAN)
  MY_SANITIZER_CHECK("-fsanitize=address" WITH_ASAN_OK)
  IF(NOT WITH_ASAN_OK)
    MESSAGE(FATAL_ERROR "Do not know how to enable address sanitizer (ASan).")
  ELSE()
    SET(HAVE_ASAN 1)
    MESSAGE(WARNING
            "Address sanitizer (ASan) support is now enabled.")
  ENDIF()
ENDIF()

# It's unfortunate, but we need to have separate options for both internal and
# external builds. That's the price of two separate build environments.
OPTION(WITH_FB_TSAN "Enable thread sanitizer for FB builds" OFF)
IF(WITH_FB_TSAN)
  # There are a couple of things to note here:
  #
  # 1. -fsanitize=thread requires (-fPIC | -fPIE) and (-pie | -shared).
  #    Current combination is based on experimentation after verifying what
  #    works in our particular build and runtime environments.
  # 2. We need to pass in both flags for the MY_CHECK_* function to succeed.
  # 3. Eventually -fPIC will be duplicated on the command-line, but that's OK.
  #
  IF (CMAKE_C_COMPILER_ID MATCHES "GNU" AND
      CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5)
    MY_SANITIZER_CHECK("-fsanitize=thread -fPIC -pie" WITH_FB_TSAN_OK)
  ELSE()
    MY_SANITIZER_CHECK("-fsanitize=thread -fPIC" WITH_FB_TSAN_OK)
  ENDIF()
  IF(NOT WITH_FB_TSAN_OK)
    MESSAGE(FATAL_ERROR
            "Do not know how to enable internal thread sanitizer (TSan).")
  ELSE()
    MESSAGE(WARNING
            "Internal thread sanitizer (TSan) support is now enabled.")
  ENDIF()
ENDIF()

OPTION(WITH_TSAN "Enable thread sanitizer" OFF)
IF(WITH_TSAN)
  MY_SANITIZER_CHECK("-fsanitize=thread" WITH_TSAN_OK)
  IF(NOT WITH_TSAN_OK)
    MESSAGE(FATAL_ERROR
            "Do not know how to enable thread sanitizer (TSan).")
  ELSE()
    MESSAGE(WARNING
            "Thread sanitizer (TSan) support is now enabled.")
  ENDIF()
ENDIF()

OPTION(WITH_UBSAN "Enable undefined behavior sanitizer" OFF)
IF(WITH_UBSAN)
  IF (CMAKE_C_COMPILER_ID MATCHES "GNU" AND
      CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5)
    MY_SANITIZER_CHECK("-fsanitize=undefined" WITH_UBSAN_OK)
  ELSE()
    MY_SANITIZER_CHECK("-fsanitize=undefined -fno-sanitize=vptr,alignment" WITH_UBSAN_OK)
  ENDIF()
  IF(NOT WITH_UBSAN_OK)
    MESSAGE(FATAL_ERROR
            "Do not know how to enable undefined behavior sanitizer (UBSan).")
  ELSE()
    MESSAGE(WARNING
            "Undefined behavior sanitizer (UBSan) support is now enabled.")
  ENDIF()
ENDIF()

# Paranoia.
IF((WITH_ASAN AND WITH_FB_TSAN) OR (WITH_ASAN AND WITH_UBSAN) OR
   (WITH_FB_TSAN AND WITH_UBSAN) OR (WITH_ASAN AND WITH_TSAN) OR
   (WITH_TSAN AND WITH_UBSAN) OR (WITH_FB_TSAN AND WITH_TSAN))
  MESSAGE(FATAL_ERROR
    "Cannot use multiple sanitizers together. Nothing good will come of it.")
ENDIF()

OPTION(ENABLE_DEBUG_SYNC "Enable debug sync (debug builds only)" ON) 
IF(ENABLE_DEBUG_SYNC) 
  SET(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -DENABLED_DEBUG_SYNC") 
  SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -DENABLED_DEBUG_SYNC") 
ENDIF()

# Older versions of ccache must be disabled: export CCACHE_DISABLE=1
# See http://www.cmake.org/Wiki/CTest/Coverage
OPTION(ENABLE_GCOV "Enable gcov (debug, Linux builds only)" OFF)
IF (ENABLE_GCOV AND NOT WIN32 AND NOT APPLE)
  SET(CMAKE_CXX_FLAGS_DEBUG
    "${CMAKE_CXX_FLAGS_DEBUG} -fprofile-arcs -ftest-coverage -DHAVE_GCOV")
  SET(CMAKE_C_FLAGS_DEBUG
    "${CMAKE_C_FLAGS_DEBUG} -fprofile-arcs -ftest-coverage -DHAVE_GCOV")
  SET(CMAKE_EXE_LINKER_FLAGS_DEBUG
    "${CMAKE_EXE_LINKER_FLAGS_DEBUG} -fprofile-arcs -ftest-coverage -lgcov")
ENDIF()

OPTION(ENABLE_GPROF "Enable gprof (optimized, Linux builds only)" OFF)
IF (ENABLE_GPROF AND NOT WIN32 AND NOT APPLE)
  SET(CMAKE_C_FLAGS_RELWITHDEBINFO
    "${CMAKE_C_FLAGS_RELWITHDEBINFO} -pg")
  SET(CMAKE_CXX_FLAGS_RELWITHDEBINFO
    "${CMAKE_CXX_FLAGS_RELWITHDEBINFO} -pg")
  SET(CMAKE_EXE_LINKER_FLAGS_RELWITHDEBINFO
    "${CMAKE_EXE_LINKER_FLAGS_RELWITHDEBINFO} -pg")
ENDIF()

OPTION(ENABLED_LOCAL_INFILE
 "If we should should enable LOAD DATA LOCAL by default" ${IF_WIN})
MARK_AS_ADVANCED(ENABLED_LOCAL_INFILE)

OPTION(WITH_FAST_MUTEXES "Compile with fast mutexes" OFF)
MARK_AS_ADVANCED(WITH_FAST_MUTEXES)

OPTION(OPTIMIZER_TRACE "Support tracing of Optimizer" ON)

OPTION(INNODB_COMPILER_HINTS "Compile InnoDB with compiler hints" ON)
MARK_AS_ADVANCED(INNODB_COMPILER_HINTS)

OPTION(INNODB_PAGE_ATOMIC_REF_COUNT "Use atomics for the page reference count"
       ON)
MARK_AS_ADVANCED(INNODB_PAGE_ATOMIC_REF_COUNT)

# Set DBUG_OFF and other optional release-only flags for non-debug project types
FOREACH(BUILD_TYPE RELEASE RELWITHDEBINFO MINSIZEREL)
  FOREACH(LANG C CXX)
    SET(CMAKE_${LANG}_FLAGS_${BUILD_TYPE} 
     "${CMAKE_${LANG}_FLAGS_${BUILD_TYPE}} -DDBUG_OFF")
    IF(WITH_FAST_MUTEXES)
      SET(CMAKE_${LANG}_FLAGS_${BUILD_TYPE} 
        "${CMAKE_${LANG}_FLAGS_${BUILD_TYPE}} -DMY_PTHREAD_FASTMUTEX=1")
    ENDIF()
  ENDFOREACH()
ENDFOREACH()

IF(NOT CMAKE_BUILD_TYPE
    AND NOT CMAKE_GENERATOR MATCHES "Visual Studio" 
    AND NOT CMAKE_GENERATOR MATCHES "Xcode") 
    # This is the case of no CMAKE_BUILD_TYPE choosen, typical for VS and Xcode
    # or if custom C flags are set. In VS and Xcode for non-Debug configurations 
    # DBUG_OFF is already correctly set. Use DBUG_OFF for Makefile based projects 
    # without build type too, unless user specifically requests DBUG. 
    IF(NOT CMAKE_C_FLAGS MATCHES "-DDBUG_ON")
      ADD_DEFINITIONS(-DDBUG_OFF)
    ENDIF()
ENDIF()

# Add safemutex for debug configurations, except on Windows
# (safemutex has never worked on Windows)
# In Raft mode we have plugin .so's compiled.
# if we turn on safe mutex in debug, we will have to
# have the same mutex on plugin side, which would need
# SAFE MUTEX there as well. Hence the DISABLE_SAFE_MUTEX option.
IF(NOT WIN32 AND NOT WITH_INNODB_MEMCACHED)
  FOREACH(LANG C CXX)
    IF (NOT DISABLE_SAFE_MUTEX)
      SET(CMAKE_${LANG}_FLAGS_DEBUG
          "${CMAKE_${LANG}_FLAGS_DEBUG} -DSAFE_MUTEX")
    ENDIF()
  ENDFOREACH()
ENDIF()


# Set commonly used variables
IF(WIN32)
  SET(DEFAULT_MYSQL_HOME "C:/Program Files/MySQL/MySQL Server ${MYSQL_BASE_VERSION}" )
  SET(SHAREDIR share)
ELSE()
  IF (NOT DEFAULT_MYSQL_HOME)
    SET(DEFAULT_MYSQL_HOME ${CMAKE_INSTALL_PREFIX})
  ENDIF()
  SET(SHAREDIR ${DEFAULT_MYSQL_HOME}/${INSTALL_MYSQLSHAREDIR})
ENDIF()

SET(DEFAULT_BASEDIR "${DEFAULT_MYSQL_HOME}")
IF(INSTALL_MYSQLDATADIR MATCHES "^/.*")
  SET(MYSQL_DATADIR ${INSTALL_MYSQLDATADIR} CACHE PATH "default MySQL data directory")
ELSE()
  SET(MYSQL_DATADIR "${DEFAULT_MYSQL_HOME}/${INSTALL_MYSQLDATADIR}" CACHE PATH "default MySQL data directory")
ENDIF()
SET(DEFAULT_CHARSET_HOME "${DEFAULT_MYSQL_HOME}")
SET(PLUGINDIR "${DEFAULT_MYSQL_HOME}/${INSTALL_PLUGINDIR}")
IF(SYSCONFDIR)
  SET(DEFAULT_SYSCONFDIR "${SYSCONFDIR}")
ENDIF()

IF(WIN32) # P_tmpdir is not defined on Windows as of VS2015.
  SET(TMPDIR "" # So we use empty path as default. In practice TMP/TEMP is used
    CACHE PATH
    "PATH to MySQL TMP dir")
ELSE()
  SET(TMPDIR "P_tmpdir"
    CACHE PATH
    "PATH to MySQL TMP dir. Defaults to the P_tmpdir macro in <stdio.h>")
ENDIF()

IF(TMPDIR STREQUAL "P_tmpdir")
  # Do not quote it, to refer to the P_tmpdir macro.
  SET(DEFAULT_TMPDIR "P_tmpdir")
ELSE()
  # Quote it, to make it a const char string.
  SET(DEFAULT_TMPDIR "\"${TMPDIR}\"")
ENDIF()

# Run platform tests
INCLUDE(configure.cmake)

# Common defines and includes
ADD_DEFINITIONS(-DHAVE_CONFIG_H)
INCLUDE_DIRECTORIES(${CMAKE_CURRENT_BINARY_DIR}/include)

# Add bundled or system zlib.
MYSQL_CHECK_ZLIB_WITH_COMPRESS()
# Add zstd.
MYSQL_CHECK_ZSTD()
# Add lz4.
MYSQL_CHECK_LZ4()
# Add bundled yassl/taocrypt or system openssl.
MYSQL_CHECK_SSL()
# Find system readline.
MYSQL_CHECK_READLINE()
# Add libevent
MYSQL_CHECK_LIBEVENT()

#
# Setup maintainer mode options by the end. Platform checks are
# not run with the warning options as to not perturb fragile checks
# (i.e. do not make warnings into errors).
#
# Why doesn't these flags affect the entire build?
# Because things may already have been included with ADD_SUBDIRECTORY
#
OPTION(MYSQL_MAINTAINER_MODE
       "MySQL maintainer-specific development environment" OFF)

INCLUDE(maintainer)

MY_CHECK_CXX_COMPILER_FLAG("-Wno-deprecated-copy" HAVE_NO_DEPRECATED_COPY)
IF(HAVE_NO_DEPRECATED_COPY)
  SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-deprecated-copy")
ENDIF()

MY_CHECK_CXX_COMPILER_FLAG("-Wno-deprecated-declarations" HAVE_NO_DEPRECATED_DECL)
IF(HAVE_NO_DEPRECATED_DECL)
  SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-deprecated-declarations")
ENDIF()

IF(CMAKE_COMPILER_IS_GNUCXX OR CMAKE_C_COMPILER_ID MATCHES "Clang")
  SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++17")
ENDIF()

IF(CMAKE_COMPILER_IS_GNUCC OR CMAKE_C_COMPILER_ID MATCHES "Clang")
  SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=c99")
ENDIF()

IF(WITH_UNIT_TESTS)
 ENABLE_TESTING()
ENDIF()

OPTION(WITH_SYMVER16
  "Export libmysqlclient_16 and libmysqlclient_18 symbol versions" OFF)

IF(WITH_SYMVER16)
  ADD_DEFINITIONS(-DEXPORT_SYMVER16)
ENDIF()

IF(NOT WITHOUT_SERVER)
  SET (MYSQLD_STATIC_PLUGIN_LIBS "" CACHE INTERNAL "")
  # Add storage engines and plugins.
  CONFIGURE_PLUGINS()
ELSE()
  # We may still want Cluster client libraries, use -DWITH_NDBCLUSTER=1
  ADD_SUBDIRECTORY(storage/ndb)
  # mysqlbinlog needs semi-sync
  ADD_SUBDIRECTORY(${CMAKE_SOURCE_DIR}/plugin/semisync/)
ENDIF()

ADD_SUBDIRECTORY(include)
ADD_SUBDIRECTORY(dbug)
ADD_SUBDIRECTORY(strings)
ADD_SUBDIRECTORY(vio)
ADD_SUBDIRECTORY(regex)
ADD_SUBDIRECTORY(mysys)
ADD_SUBDIRECTORY(utils)
ADD_SUBDIRECTORY(mysys_ssl)
ADD_SUBDIRECTORY(libmysql)

IF(WITH_UNIT_TESTS)
  # Visual Studio 11 needs this extra flag in order to compile gmock.
  IF(WIN32)
    ADD_DEFINITIONS( /D _VARIADIC_MAX=10 )
  ENDIF()
  # libc++ doesn't have tuple in tr1
  IF(HAVE_LLVM_LIBCPP)
    ADD_DEFINITIONS(-DGTEST_USE_OWN_TR1_TUPLE=1)
  ENDIF()
  ADD_SUBDIRECTORY(unittest)
  ADD_SUBDIRECTORY(unittest/examples)
  ADD_SUBDIRECTORY(unittest/mytap)
  ADD_SUBDIRECTORY(unittest/mytap/t)
ENDIF()

ADD_SUBDIRECTORY(extra)
ADD_SUBDIRECTORY(sql/share)
ADD_SUBDIRECTORY(libservices)

IF(UNIX)
  ADD_SUBDIRECTORY(man)
ENDIF()

IF(NOT WITHOUT_SERVER)
  ADD_SUBDIRECTORY(tests)
  ADD_SUBDIRECTORY(client)
  ADD_SUBDIRECTORY(sql)
  OPTION (WITH_EMBEDDED_SERVER "Compile MySQL with embedded server" OFF)
  IF(WITH_EMBEDDED_SERVER) 
   ADD_SUBDIRECTORY(libmysqld)
   ADD_SUBDIRECTORY(libmysqld/examples)
  ENDIF(WITH_EMBEDDED_SERVER)
ENDIF()

# scripts/mysql_config depends on client and server targets loaded above.
# It is referenced by some of the directories below, so we insert it here.
ADD_SUBDIRECTORY(scripts)

IF(NOT WITHOUT_SERVER)
  ADD_SUBDIRECTORY(mysql-test)
  ADD_SUBDIRECTORY(mysql-test/lib/My/SafeProcess)
  ADD_SUBDIRECTORY(support-files)
  ADD_SUBDIRECTORY(sql-bench)
  IF(EXISTS ${CMAKE_SOURCE_DIR}/internal/CMakeLists.txt)
    ADD_SUBDIRECTORY(internal)
  ENDIF()
  ADD_SUBDIRECTORY(packaging/rpm-oel)
  ADD_SUBDIRECTORY(packaging/rpm-fedora)
  ADD_SUBDIRECTORY(packaging/rpm-sles)
  ADD_SUBDIRECTORY(packaging/rpm-docker)
ENDIF()

INCLUDE(cmake/abi_check.cmake)
INCLUDE(cmake/tags.cmake)

CONFIGURE_FILE(config.h.cmake   ${CMAKE_BINARY_DIR}/include/my_config.h)
CONFIGURE_FILE(config.h.cmake   ${CMAKE_BINARY_DIR}/include/config.h)
CONFIGURE_FILE(${CMAKE_SOURCE_DIR}/include/mysql_version.h.in
               ${CMAKE_BINARY_DIR}/include/mysql_version.h )
CONFIGURE_FILE(${CMAKE_SOURCE_DIR}/sql/sql_builtin.cc.in
    ${CMAKE_BINARY_DIR}/sql/sql_builtin.cc)
CONFIGURE_FILE(
    ${CMAKE_SOURCE_DIR}/cmake/info_macros.cmake.in
    ${CMAKE_BINARY_DIR}/info_macros.cmake @ONLY)

# Handle the "INFO_*" files.
INCLUDE(${CMAKE_BINARY_DIR}/info_macros.cmake)
# Source: This can be done during the cmake phase, all information is
# available, but should be repeated on each "make" just in case someone
# does "cmake ; make ; git pull ; make".
CREATE_INFO_SRC(${CMAKE_BINARY_DIR}/Docs)
ADD_CUSTOM_TARGET(INFO_SRC ALL
  COMMAND ${CMAKE_COMMAND} -P ${CMAKE_SOURCE_DIR}/cmake/info_src.cmake
  WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
)
# Build flags: This must be postponed to the make phase.
ADD_CUSTOM_TARGET(INFO_BIN ALL
  COMMAND ${CMAKE_COMMAND} -P ${CMAKE_SOURCE_DIR}/cmake/info_bin.cmake
  WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
)

# Packaging
IF(WIN32)
  SET(CPACK_GENERATOR "ZIP")
ELSE()
  SET(CPACK_GENERATOR "TGZ")
ENDIF() 
ADD_SUBDIRECTORY(packaging/WiX)
ADD_SUBDIRECTORY(packaging/solaris)

# Create a single package with "make package"
# (see http://public.kitware.com/Bug/view.php?id=11452)
SET(CPACK_MONOLITHIC_INSTALL 1 CACHE INTERNAL "")

IF(UNIX)
  INSTALL(FILES Docs/mysql.info DESTINATION ${INSTALL_INFODIR} OPTIONAL COMPONENT Info)
ENDIF()
#
# RPM installs documentation directly from the source tree
#
IF(NOT INSTALL_LAYOUT MATCHES "RPM")
  INSTALL(FILES COPYING LICENSE.mysql 
  DESTINATION ${INSTALL_DOCREADMEDIR} 
  COMPONENT Readme
  OPTIONAL
  )
  INSTALL(FILES README DESTINATION ${INSTALL_DOCREADMEDIR} COMPONENT Readme)
  INSTALL(FILES ${CMAKE_BINARY_DIR}/Docs/INFO_SRC ${CMAKE_BINARY_DIR}/Docs/INFO_BIN DESTINATION ${INSTALL_DOCDIR})
  # MYSQL_DOCS_LOCATON is used in "make dist", points to the documentation directory
  SET(MYSQL_DOCS_LOCATION "" CACHE PATH "Location from where documentation is copied")
  MARK_AS_ADVANCED(MYSQL_DOCS_LOCATION)
  INSTALL(DIRECTORY Docs/ DESTINATION ${INSTALL_DOCDIR}
    COMPONENT Documentation
    PATTERN "Makefile.*" EXCLUDE
    PATTERN "glibc*" EXCLUDE
    PATTERN "linuxthreads.txt" EXCLUDE
    PATTERN "myisam.txt" EXCLUDE
    PATTERN "mysql.info" EXCLUDE
    PATTERN "sp-imp-spec.txt" EXCLUDE
  )
ENDIF()

INCLUDE(CPack)

# C compiler flags consist of:
# CPPFLAGS        Taken from environment, see above.
# ADD_DEFINITIONS In each individual CMakeLists.txt
# CMAKE_C_FLAGS   From command line.
#                 We extend these in maintainer.cmake
# ENV{CFLAGS}     From environment, but environment is ignored if
#                 CMAKE_C_FLAGS is also given on command line
# CMAKE_C_FLAGS_${CMAKE_BUILD_TYPE}
#                 We extend these in compiler_options.cmake
#
# Note that CMakeCache.txt contains cmake builtins for these variables,
# *not* the values that will actually be used:

IF(CMAKE_GENERATOR MATCHES "Makefiles")
  MESSAGE(STATUS "CMAKE_BUILD_TYPE: ${CMAKE_BUILD_TYPE}")
ENDIF()
GET_PROPERTY(cwd_definitions DIRECTORY PROPERTY COMPILE_DEFINITIONS)
MESSAGE(STATUS "COMPILE_DEFINITIONS: ${cwd_definitions}")
MESSAGE(STATUS "CMAKE_C_FLAGS: ${CMAKE_C_FLAGS}")
MESSAGE(STATUS "CMAKE_CXX_FLAGS: ${CMAKE_CXX_FLAGS}")
IF(CMAKE_BUILD_TYPE AND CMAKE_GENERATOR MATCHES "Makefiles")
  STRING(TOUPPER "${CMAKE_BUILD_TYPE}" CMAKEBT)
  MESSAGE(STATUS "CMAKE_C_FLAGS_${CMAKEBT}: ${CMAKE_C_FLAGS_${CMAKEBT}}")
  MESSAGE(STATUS "CMAKE_CXX_FLAGS_${CMAKEBT}: ${CMAKE_CXX_FLAGS_${CMAKEBT}}")
ENDIF()
IF(NOT CMAKE_GENERATOR MATCHES "Makefiles")
  MESSAGE(STATUS "CMAKE_C_FLAGS_DEBUG: ${CMAKE_C_FLAGS_DEBUG}")
  MESSAGE(STATUS "CMAKE_CXX_FLAGS_DEBUG: ${CMAKE_CXX_FLAGS_DEBUG}")
  MESSAGE(STATUS
    "CMAKE_C_FLAGS_RELWITHDEBINFO: ${CMAKE_C_FLAGS_RELWITHDEBINFO}")
  MESSAGE(STATUS
    "CMAKE_CXX_FLAGS_RELWITHDEBINFO: ${CMAKE_CXX_FLAGS_RELWITHDEBINFO}")
ENDIF()