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# - Locate dbus-glib-1 include paths and libraries
#  dbus-glib-1 can be found at http://www.freedesktop.org/wiki/Software/dbus
#  Written by Frederic Heem, frederic.heem _at_ telsey.it

# This module defines
#  DBUSGLIBGLIB_FOUND, true if dbus-glib-1 has been found
#  DBUSGLIBGLIB_VERSION, the dbus-glib-1 version 
#  DBUSGLIBGLIB_INCLUDE_DIRS, where to find dbus/dbus-glib.h, etc.
#  DBUSGLIBGLIB_LIBRARIES, library to link againt libdbus-glib-1
#  DBUSGLIBGLIB_DEFINITIONS, the definitions used to compile dbus-glib-1

#D-Bus is required by dbus-glib-1
FIND_PACKAGE(DBUS REQUIRED)

#Keep space in of $ENV{PKG_CONFIG_PATH} is empty
SET(PKG_CONFIG_PATH " $ENV{PKG_CONFIG_PATH}")

#Find the D-Bus package
PKGCONFIG_FOUND(dbus-1 ${PKG_CONFIG_PATH} DBUSGLIB_FOUND)

IF(DBUSGLIB_FOUND)
  MESSAGE(STATUS "D-Bus glib found")
ELSE(DBUSGLIB_FOUND)
  MESSAGE(FATAL "D-Bus glib cannot be found")
ENDIF(DBUSGLIB_FOUND)

#Includes
PKGCONFIG_INCLUDE_DIRS(dbus-glib-1 ${PKG_CONFIG_PATH} DBUSGLIB_INCLUDE_DIRS_PKGCONFIG)

#TODO 
FIND_PATH(DBUSGLIB_INCLUDE_DIR dbus/dbus-glib.h
  PATHS
    ${DBUSGLIB_INCLUDE_DIRS_PKGCONFIG}
    /usr/include/dbus-1.0
  DOC
    "Path to dbus glib include file dbus-glib.h"
  NO_DEFAULT_PATH
)

SET(DBUSGLIB_INCLUDE_DIRS ${DBUSGLIB_INCLUDE_DIR} ${DBUS_INCLUDE_DIRS})

IF(DBUSGLIB_INCLUDE_DIR)
  MESSAGE(STATUS "D-Bus glib include dir set to ${DBUSGLIB_INCLUDE_DIR}")
ELSE(DBUSGLIB_INCLUDE_DIR)
  MESSAGE(FATAL "D-Bus glib include dir cannot be found")
ENDIF(DBUSGLIB_INCLUDE_DIR)

#Library
PKGCONFIG_LIBRARY_DIR(dbus-glib-1 ${PKG_CONFIG_PATH}  DBUSGLIB_LIBRARY_DIR)

SET(DBUSGLIB_LIB_PATH_DESCRIPTION "The directory containing the dbus glib library. E.g /home/fred/dbus-glib/lib or c:\\dbus-glib\\lib")

FIND_LIBRARY(DBUSGLIB_LIBRARY
  NAMES 
    dbus-glib-1
  PATHS
    ${DBUSGLIB_LIBRARY_DIR}
  DOC 
    ${DBUSGLIB_LIB_PATH_DESCRIPTION}
  NO_DEFAULT_PATH
)

SET(DBUSGLIB_LIBRARIES ${DBUSGLIB_LIBRARY} ${DBUS_LIBRARIES}) 

IF(DBUSGLIB_LIBRARIES)
  MESSAGE(STATUS "D-Bus glib library set to  ${DBUSGLIB_LIBRARIES}")
ELSE(DBUSGLIB_LIBRARIES)
  MESSAGE(FATAL "D-Bus glib library cannot be found")
ENDIF(DBUSGLIB_LIBRARIES)

#Version
PKGCONFIG_VERSION(dbus-glib-1 ${PKG_CONFIG_PATH} DBUSGLIB_VERSION)
MESSAGE(STATUS "D-Bus glib version is ${DBUSGLIB_VERSION}")

#Definition
PKGCONFIG_DEFINITION(dbus-glib-1 ${PKG_CONFIG_PATH} DBUSGLIB_DEFINITIONS)
MESSAGE(STATUS "D-Bus glib definitions are ${DBUSGLIB_DEFINITIONS}")

#binding tool
FIND_PROGRAM(DBUSGLIB_BINDING_TOOL_EXECUTABLE
  NAMES 
    dbus-binding-tool
)

MARK_AS_ADVANCED(
  DBUSGLIB_INCLUDE_DIR
  DBUSGLIB_LIBRARY
  DBUSGLIB_BINDING_TOOL_EXECUTABLE
)