Add tde_setup_dbus macro.

This resolves issue #20.

Signed-off-by: Slávek Banko <slavek.banko@axis.cz>
(cherry picked from commit ac342e63c6)

modules/TDEMacros.cmake

@@ -2013,6 +2013,84 @@ macro( tde_setup_largefiles )
 endmacro( )
 
 
+#################################################
+#####
+##### tde_setup_dbus
+
+macro( tde_setup_dbus )
+  if( NOT DBUS_FOUND )
+    pkg_search_module( DBUS dbus-1 )
+    if( NOT DBUS_FOUND )
+      tde_message_fatal( "dbus-1 is required, but not found on your system" )
+    endif( )
+  endif( )
+
+  if( NOT DEFINED DBUS_SYSTEM_CONF_DIRECTORY )
+    execute_process(
+      COMMAND ${PKG_CONFIG_EXECUTABLE}
+        dbus-1 --variable=sysconfdir
+      OUTPUT_VARIABLE DBUS_SYSTEM_CONF_BASE
+      OUTPUT_STRIP_TRAILING_WHITESPACE
+    )
+    if( DBUS_SYSTEM_CONF_BASE )
+      set( DBUS_SYSTEM_CONF_DIRECTORY "${DBUS_SYSTEM_CONF_BASE}/dbus-1/system.d" )
+      message( STATUS "Using " ${DBUS_SYSTEM_CONF_DIRECTORY} " for DBUS system configuration files" )
+    else( )
+      tde_message_fatal( "Can not find the base directory for the dbus-1 configuration" )
+    endif( )
+  endif( )
+
+  if( NOT DEFINED DBUS_SESSION_CONF_DIRECTORY )
+    execute_process(
+      COMMAND ${PKG_CONFIG_EXECUTABLE}
+        dbus-1 --variable=sysconfdir
+      OUTPUT_VARIABLE DBUS_SYSTEM_CONF_BASE
+      OUTPUT_STRIP_TRAILING_WHITESPACE
+    )
+    if( DBUS_SYSTEM_CONF_BASE )
+      set( DBUS_SESSION_CONF_DIRECTORY "${DBUS_SYSTEM_CONF_BASE}/dbus-1/session.d" )
+      message( STATUS "Using " ${DBUS_SESSION_CONF_DIRECTORY} " for DBUS session configuration files" )
+    else( )
+      tde_message_fatal( "Can not find the base directory for the dbus-1 configuration" )
+    endif( )
+  endif( )
+
+  if( NOT DEFINED DBUS_SERVICE_DIRECTORY )
+    execute_process(
+      COMMAND ${PKG_CONFIG_EXECUTABLE}
+        dbus-1 --variable=system_bus_services_dir
+      OUTPUT_VARIABLE DBUS_SERVICE_DIRECTORY
+      OUTPUT_STRIP_TRAILING_WHITESPACE
+    )
+    message( STATUS "Using " ${DBUS_SERVICE_DIRECTORY} " for DBUS system service files" )
+  endif( )
+
+  if( NOT DEFINED DBUS_SESSION_DIRECTORY )
+    execute_process(
+      COMMAND ${PKG_CONFIG_EXECUTABLE}
+        dbus-1 --variable=session_bus_services_dir
+      OUTPUT_VARIABLE DBUS_SESSION_DIRECTORY
+      OUTPUT_STRIP_TRAILING_WHITESPACE
+    )
+    message( STATUS "Using " ${DBUS_SESSION_DIRECTORY} " for DBUS session service files" )
+  endif( )
+
+  if( NOT "${ARGV}" STREQUAL "" AND NOT DBUS_TQT_FOUND )
+    pkg_search_module( DBUS_TQT ${ARGV} )
+    if( NOT DBUS_TQT_FOUND )
+      tde_message_fatal( "${ARGV} is required, but not found on your system" )
+    endif( )
+  endif( )
+  if( "${ARGV}" STREQUAL "dbus-1-tqt" AND NOT DEFINED DBUSXML2QT3_EXECUTABLE )
+    find_program( DBUSXML2QT3_EXECUTABLE
+      NAMES dbusxml2qt3
+      HINTS "${TDE_PREFIX}/bin" ${BIN_INSTALL_DIR}
+    )
+  endif( )
+
+endmacro( )
+
+
 ################################################
 #####
 ##### Restore CMP0026 policy