function(debugmsg MSG)
  if(DEBUG_OUTPUT)
	message(STATUS "DEBUG: ${MSG}")
  endif()
endfunction()

macro(set_maxscale_version)

  # MaxScale version number
  set(MAXSCALE_VERSION_MAJOR "1")
  set(MAXSCALE_VERSION_MINOR "1")
  set(MAXSCALE_VERSION_PATCH "1")
  set(MAXSCALE_VERSION_NUMERIC "${MAXSCALE_VERSION_MAJOR}.${MAXSCALE_VERSION_MINOR}.${MAXSCALE_VERSION_PATCH}")
  set(MAXSCALE_VERSION "${MAXSCALE_VERSION_MAJOR}.${MAXSCALE_VERSION_MINOR}.${MAXSCALE_VERSION_PATCH}")

  # This should be incremented each time a package is rebuilt
  set(MAXSCALE_BUILD_NUMBER 2)
endmacro()

macro(set_variables)

  # hostname or IP address of MaxScale's host
  set(TEST_HOST "127.0.0.1" CACHE STRING "hostname or IP address of MaxScale's host")

  # port of read connection router module
  set(TEST_PORT "4008" CACHE STRING "port of read connection router module")

  # port of read/write split router module
  set(TEST_PORT_RW "4006" CACHE STRING "port of read/write split router module")

  # port of schemarouter router module
  set(TEST_PORT_DB "4010" CACHE STRING "port of schemarouter router module")

  # port of read/write split router module with hints
  set(TEST_PORT_RW_HINT "4009" CACHE STRING "port of read/write split router module with hints")

  # master test server server_id
  set(TEST_MASTER_ID "3000" CACHE STRING "master test server server_id")

  # master test server port
  set(MASTER_PORT "3000" CACHE STRING "master test server port")

  # username of MaxScale user
  set(TEST_USER "maxuser" CACHE STRING "username of MaxScale user")

  # password of MaxScale user
  set(TEST_PASSWORD "maxpwd" CACHE STRING "password of MaxScale user")

  # Use static version of libmysqld
  set(STATIC_EMBEDDED TRUE CACHE BOOL "Use static version of libmysqld")

  # Build RabbitMQ components
  set(BUILD_RABBITMQ FALSE CACHE BOOL "Build RabbitMQ components")

  # Build the binlog router
  set(BUILD_BINLOG TRUE CACHE BOOL "Build binlog router")

  # Use gcov build flags
  set(GCOV FALSE CACHE BOOL "Use gcov build flags")

  # Install init.d scripts and ldconf configuration files
  set(WITH_SCRIPTS TRUE CACHE BOOL "Install init.d scripts and ldconf configuration files")

  # Use tcmalloc as the memory allocator
  set(WITH_TCMALLOC FALSE CACHE BOOL "Use tcmalloc as the memory allocator")

  # Use jemalloc as the memory allocator
  set(WITH_JEMALLOC FALSE CACHE BOOL "Use jemalloc as the memory allocator")

  # Build tests
  set(BUILD_TESTS FALSE CACHE BOOL "Build tests")

  # Build packages
  set(PACKAGE FALSE CACHE BOOL "Enable package building (this disables local installation of system files)")

  # Build extra tools
  set(BUILD_TOOLS FALSE CACHE BOOL "Build extra utility tools")

endmacro()

macro(check_deps)


  # Check for libraries MaxScale depends on
  find_library(HAVE_LIBAIO NAMES aio)
  if(NOT HAVE_LIBAIO)
    message(FATAL_ERROR "Could not find libaio")
  endif()

  find_library(HAVE_LIBSSL NAMES ssl)
  if(NOT HAVE_LIBSSL)
    message(FATAL_ERROR "Could not find libssl")
  endif()

  find_library(HAVE_LIBCRYPT NAMES crypt)
  if(NOT HAVE_LIBCRYPT)
    message(FATAL_ERROR "Could not find libcrypt")
  endif()

  find_library(HAVE_LIBCRYPTO NAMES crypto)
  if(NOT HAVE_LIBCRYPTO)
    message(FATAL_ERROR "Could not find libcrypto")
  endif()

  find_library(HAVE_LIBZ NAMES z)
  if(NOT HAVE_LIBZ)
    message(FATAL_ERROR "Could not find libz")
  endif()

  find_library(HAVE_LIBM NAMES m)
  if(NOT HAVE_LIBM)
    message(FATAL_ERROR "Could not find libm")
  endif()

  find_library(HAVE_LIBDL NAMES dl)
  if(NOT HAVE_LIBDL)
    message(FATAL_ERROR "Could not find libdl")
  endif()

  find_library(HAVE_LIBRT NAMES rt)
  if(NOT HAVE_LIBRT)
    message(FATAL_ERROR "Could not find librt")
  endif()

  find_library(HAVE_LIBPTHREAD NAMES pthread)
  if(NOT HAVE_LIBPTHREAD)
    message(FATAL_ERROR "Could not find libpthread")
  endif()


  # set(MAXSCALE_DEPS aio ssl crypt crypto z m dl rt pthread)
  # foreach(lib ${MAXSCALE_DEPS})
  #   find_library(lib${lib} ${lib})
  #   if((DEFINED lib${lib}) AND (${lib${lib}} MATCHES "NOTFOUND"))
  #     set(DEPS_ERROR TRUE)
  #     set(FAILED_DEPS "${FAILED_DEPS} lib${lib}")
  #   elseif(DEBUG_OUTPUT)
  #     message(STATUS "Library was found at: ${lib${lib}}")
  #   endif()
  # endforeach()

  # if(DEPS_ERROR)
  #   set(DEPS_OK FALSE CACHE BOOL "If all the dependencies were found.")
  #   message(FATAL_ERROR "Cannot find dependencies: ${FAILED_DEPS}")
  # endif()

endmacro()

macro(check_dirs)

  # This variable is used to prevent redundant checking of dependencies
  set(DEPS_OK TRUE CACHE BOOL "If all the dependencies were found.")

  # Find the MySQL headers if they were not defined

  if(DEFINED MYSQL_DIR)
	debugmsg("Searching for MySQL headers at: ${MYSQL_DIR}")
    list(APPEND CMAKE_INCLUDE_PATH ${MYSQL_DIR})
	find_path(MYSQL_DIR_LOC mysql.h PATHS ${MYSQL_DIR} PATH_SUFFIXES mysql mariadb NO_DEFAULT_PATH)
  else()
	find_path(MYSQL_DIR_LOC mysql.h PATH_SUFFIXES mysql mariadb)
  endif()

debugmsg("Search returned: ${MYSQL_DIR_LOC}")

  if(${MYSQL_DIR_LOC} MATCHES "NOTFOUND")
	set(DEPS_OK FALSE CACHE BOOL "If all the dependencies were found.")
    message(FATAL_ERROR "Fatal Error: MySQL headers were not found.")
  else()
	set(MYSQL_DIR ${MYSQL_DIR_LOC} CACHE PATH "Path to MySQL headers" FORCE)
	message(STATUS "Using MySQL headers found at: ${MYSQL_DIR}")
  endif()

  unset(MYSQL_DIR_LOC)

  # Find the errmsg.sys file if it was not defied
  if( DEFINED ERRMSG )
	debugmsg("Looking for errmsg.sys at: ${ERRMSG}")
	if(NOT(IS_DIRECTORY ${ERRMSG}))
	  get_filename_component(ERRMSG ${ERRMSG} PATH)
	  debugmsg("Path to file is: ${ERRMSG}")
	endif()
	find_file(ERRMSG_FILE errmsg.sys PATHS ${ERRMSG} NO_DEFAULT_PATH)
	if(${ERRMSG_FILE} MATCHES "NOTFOUND")
	  message(FATAL_ERROR "Fatal Error: The errmsg.sys file was not found at ${ERRMSG}")
	else()
	  message(STATUS "Using custom errmsg.sys found at: ${ERRMSG_FILE}")
	endif()
  else()
	find_file(ERRMSG_FILE errmsg.sys PATHS /usr/share /usr/share/mysql /usr/local/share/mysql PATH_SUFFIXES english mysql/english)
	if(${ERRMSG_FILE} MATCHES "NOTFOUND")
	  set(DEPS_OK FALSE CACHE BOOL "If all the dependencies were found.")
      message(FATAL_ERROR "Fatal Error: The errmsg.sys file was not found, please define the path to it by using -DERRMSG=<path>")
	else()
	  message(STATUS "Using errmsg.sys found at: ${ERRMSG_FILE}")
	endif()
  endif()
  set(ERRMSG ${ERRMSG_FILE} CACHE FILEPATH "Path to the errmsg.sys file." FORCE)
  unset(ERRMSG_FILE)

  # Find the embedded mysql library

  # if (DEFINED EMBEDDED_LIB)
  #   if( NOT (IS_DIRECTORY ${EMBEDDED_LIB}) )
  #     debugmsg("EMBEDDED_LIB is not a directory: ${EMBEDDED_LIB}")
  #     if(${CMAKE_VERSION} VERSION_LESS 2.8.12 )
  #   	set(COMP_VAR PATH)
  #     else()
  #   	set(COMP_VAR DIRECTORY)
  #     endif()
  #     get_filename_component(EMBEDDED_LIB ${EMBEDDED_LIB} ${COMP_VAR})
  #     debugmsg("EMBEDDED_LIB directory component: ${EMBEDDED_LIB}")
  #   endif()
  #   debugmsg("Searching for the embedded library at: ${EMBEDDED_LIB}")
  # endif()

  # if(STATIC_EMBEDDED)

  #   debugmsg("Using the static embedded library...")
  #   set(OLD_SUFFIXES ${CMAKE_FIND_LIBRARY_SUFFIXES})
  #   set(CMAKE_FIND_LIBRARY_SUFFIXES ".a")
  #   if (DEFINED EMBEDDED_LIB)
  #     debugmsg("Searching for libmysqld.a at: ${EMBEDDED_LIB}")
  #     find_library(EMBEDDED_LIB_STATIC libmysqld.a PATHS ${EMBEDDED_LIB} PATH_SUFFIXES mysql mariadb NO_DEFAULT_PATH)
  #   else()
  #     find_library(EMBEDDED_LIB_STATIC libmysqld.a PATH_SUFFIXES mysql mariadb)
  #   endif()
  #   debugmsg("Search returned: ${EMBEDDED_LIB_STATIC}")

  #   set(EMBEDDED_LIB ${EMBEDDED_LIB_STATIC} CACHE FILEPATH "Path to libmysqld" FORCE)
  #   set(CMAKE_FIND_LIBRARY_SUFFIXES ${OLD_SUFFIXES})

  # else()
  #   debugmsg("Using the dynamic embedded library...")
  #   set(OLD_SUFFIXES ${CMAKE_FIND_LIBRARY_SUFFIXES})
  #   set(CMAKE_FIND_LIBRARY_SUFFIXES ".so")
  #   if (DEFINED EMBEDDED_LIB)
  #     debugmsg("Searching for libmysqld.so at: ${EMBEDDED_LIB}")
  #     find_library(EMBEDDED_LIB_DYNAMIC mysqld PATHS ${EMBEDDED_LIB} PATH_SUFFIXES mysql mariadb NO_DEFAULT_PATH)
  #   else()
  #     find_library(EMBEDDED_LIB_DYNAMIC mysqld PATH_SUFFIXES mysql mariadb)
  #   endif()
  #   debugmsg("Search returned: ${EMBEDDED_LIB_DYNAMIC}")
  #   set(EMBEDDED_LIB ${EMBEDDED_LIB_DYNAMIC} CACHE FILEPATH "Path to libmysqld" FORCE)
  #   set(CMAKE_FIND_LIBRARY_SUFFIXES ${OLD_SUFFIXES})

  # endif()

  # unset(EMBEDDED_LIB_DYNAMIC)
  # unset(EMBEDDED_LIB_STATIC)
  # unset(OLD_SUFFIXES)

  # # Inform the user about the embedded library
  # if( (${EMBEDDED_LIB} MATCHES "NOTFOUND") OR (${EMBEDDED_LIB} MATCHES "NOTFOUND"))
  #   set(DEPS_OK FALSE CACHE BOOL "If all the dependencies were found.")
  #   message(FATAL_ERROR "Library not found: libmysqld. If your install of MySQL is in a non-default location, please provide the location with -DEMBEDDED_LIB=<path to library>")
  # else()
  #   get_filename_component(EMBEDDED_LIB ${EMBEDDED_LIB} REALPATH)
  #   message(STATUS "Using embedded library: ${EMBEDDED_LIB}")
  # endif()


  # Check which init.d script to install
  if(WITH_SCRIPTS)
    find_file(RPM_FNC functions PATHS /etc/rc.d/init.d)
    if(${RPM_FNC} MATCHES "RPM_FNC-NOTFOUND")
      find_file(DEB_FNC init-functions PATHS /lib/lsb)
      if(${DEB_FNC} MATCHES "DEB_FNC-NOTFOUND")
	set(DEPS_OK FALSE CACHE BOOL "If all the dependencies were found.")
	message(FATAL_ERROR "Cannot find required init-functions in /lib/lsb/ or /etc/rc.d/init.d/, please confirm that your system files are OK.")
      else()
	set(DEB_BASED TRUE CACHE BOOL "If init.d script uses /lib/lsb/init-functions instead of /etc/rc.d/init.d/functions.")
      endif()
    else()
      set(DEB_BASED FALSE CACHE BOOL "If init.d script uses /lib/lsb/init-functions instead of /etc/rc.d/init.d/functions.")
    endif()
    unset(DEB_FNC)
    unset(RPM_FNC)
  endif()

  #Check RabbitMQ headers and libraries
  if(BUILD_RABBITMQ)
	find_package(RabbitMQ)
  endif()

endmacro()

function(subdirs VAR DIRPATH)

if(${CMAKE_VERSION} VERSION_LESS 2.8.12 )
set(COMP_VAR PATH)
else()
set(COMP_VAR DIRECTORY)
endif()
  file(GLOB_RECURSE SDIR ${DIRPATH}/*)
  foreach(LOOP ${SDIR})
	get_filename_component(LOOP ${LOOP} ${COMP_VAR})
	list(APPEND ALLDIRS ${LOOP})
  endforeach()
  list(REMOVE_DUPLICATES ALLDIRS)
 set(${VAR} "${ALLDIRS}" CACHE PATH " " FORCE)
endfunction()