# Copyright (C) 2009 Sun Microsystems, Inc
# 
# 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 

#
# Global constants, only to be changed between major releases.
#

SET(SHARED_LIB_MAJOR_VERSION "16")
SET(PROTOCOL_VERSION "10")
SET(DOT_FRM_VERSION "6")

# Generate "something" to trigger cmake rerun when VERSION changes
CONFIGURE_FILE(
  ${CMAKE_CURRENT_SOURCE_DIR}/VERSION
  ${CMAKE_CURRENT_BINARY_DIR}/VERSION.dep
)

# Read value for a variable from VERSION.

MACRO(MYSQL_GET_CONFIG_VALUE keyword var)
 IF(NOT ${var})
   FILE (STRINGS ${CMAKE_CURRENT_SOURCE_DIR}/VERSION str REGEX "^[ ]*${keyword}=")
   IF(str)
     STRING(REPLACE "${keyword}=" "" str ${str})
     STRING(REGEX REPLACE  "[ ].*" ""  str "${str}")
     SET(${var} ${str})
   ENDIF()
 ENDIF()
ENDMACRO()


# Read mysql version for configure script

MACRO(GET_MYSQL_VERSION)
  MYSQL_GET_CONFIG_VALUE("MYSQL_VERSION_MAJOR" MAJOR_VERSION)
  MYSQL_GET_CONFIG_VALUE("MYSQL_VERSION_MINOR" MINOR_VERSION)
  MYSQL_GET_CONFIG_VALUE("MYSQL_VERSION_PATCH" PATCH_VERSION)
  MYSQL_GET_CONFIG_VALUE("MYSQL_VERSION_EXTRA" EXTRA_VERSION)

  IF(NOT MAJOR_VERSION OR NOT MINOR_VERSION OR NOT PATCH_VERSION)
    MESSAGE(FATAL_ERROR "VERSION file cannot be parsed.")
  ENDIF()

  SET(VERSION "${MAJOR_VERSION}.${MINOR_VERSION}.${PATCH_VERSION}${EXTRA_VERSION}")
  MESSAGE("-- MySQL ${VERSION}")
  SET(MYSQL_BASE_VERSION "${MAJOR_VERSION}.${MINOR_VERSION}" CACHE INTERNAL "MySQL Base version")
  SET(MYSQL_NO_DASH_VERSION "${MAJOR_VERSION}.${MINOR_VERSION}.${PATCH_VERSION}")
  STRING(REPLACE "-" "_" MYSQL_RPM_VERSION "${VERSION}")
  MATH(EXPR MYSQL_VERSION_ID "10000*${MAJOR_VERSION} + 100*${MINOR_VERSION} + ${PATCH_VERSION}")
ENDMACRO()

# Get mysql version and other interesting variables
GET_MYSQL_VERSION()

SET(MYSQL_TCP_PORT_DEFAULT "3306")

IF(NOT MYSQL_TCP_PORT)
  SET(MYSQL_TCP_PORT ${MYSQL_TCP_PORT_DEFAULT})
  SET(MYSQL_TCP_PORT_DEFAULT "0")
ELSEIF(MYSQL_TCP_PORT EQUAL MYSQL_TCP_PORT_DEFAULT)
  SET(MYSQL_TCP_PORT_DEFAULT "0")
ENDIF()


IF(NOT MYSQL_UNIX_ADDR)
  SET(MYSQL_UNIX_ADDR "/tmp/mysql.sock")
ENDIF()
IF(NOT COMPILATION_COMMENT)
  SET(COMPILATION_COMMENT "Source distribution lite for Trinity Core")
ENDIF()

# Windows 'date' command has unpredictable output, so cannot rely on it to
# set MYSQL_COPYRIGHT_YEAR - if someone finds a portable way to do so then
# it might be useful
#  EXECUTE_PROCESS(COMMAND "date" "/T" OUTPUT_VARIABLE TMP_DATE)
#  STRING(REGEX REPLACE "(..)/(..)/..(..).*" "\\3\\2\\1" MYSQL_COPYRIGHT_YEAR ${TMP_DATE})

# Add version information to the exe and dll files
# Refer to http://msdn.microsoft.com/en-us/library/aa381058(VS.85).aspx
# for more info.
IF(MSVC)
    GET_FILENAME_COMPONENT(MYSQL_CMAKE_SCRIPT_DIR ${CMAKE_CURRENT_LIST_FILE} PATH)
	
    SET(FILETYPE VFT_DLL)
    CONFIGURE_FILE(${MYSQL_CMAKE_SCRIPT_DIR}/versioninfo.rc.in  
      ${CMAKE_CURRENT_BINARY_DIR}/versioninfo_dll.rc)
	  
  FUNCTION(ADD_VERSION_INFO target sources_var)
    SET(rcfile ${CMAKE_CURRENT_BINARY_DIR}/versioninfo_dll.rc)
    SET(${sources_var} ${${sources_var}} ${rcfile} PARENT_SCOPE)
  ENDFUNCTION()
ELSE()
  FUNCTION(ADD_VERSION_INFO)
  ENDFUNCTION()
ENDIF()
