Use common rules to build documentation.

Signed-off-by: Slávek Banko <slavek.banko@axis.cz>
(cherry picked from commit 6aca194f31)

CMakeLists.txt

@@ -99,11 +99,12 @@ add_subdirectory( src )
 add_subdirectory( icons )
 add_subdirectory( xslt )
 tde_conditional_add_subdirectory( BUILD_TRANSLATIONS po )
-tde_conditional_add_subdirectory( BUILD_DOC doc )
 
 
 ##### other data ################################
 
+tde_conditional_add_project_docs( BUILD_DOC )
+
 install( FILES tellico.desktop
   DESTINATION ${XDG_APPS_INSTALL_DIR}
 )

doc/CMakeLists.txt

@@ -1,13 +0,0 @@
-#################################################
-#
-#  (C) 2016 Slávek Banko
-#  slavek (DOT) banko (AT) axis.cz
-#
-#  Improvements and feedback are welcome
-#
-#  This file is released under GPL >= 2
-#
-#################################################
-
-add_subdirectory( en )
-add_subdirectory( fr )

doc/en/CMakeLists.txt

@@ -1,12 +0,0 @@
-#################################################
-#
-#  (C) 2016 Slávek Banko
-#  slavek (DOT) banko (AT) axis.cz
-#
-#  Improvements and feedback are welcome
-#
-#  This file is released under GPL >= 2
-#
-#################################################
-
-tde_create_handbook( LANG en DESTINATION tellico )

doc/fr/CMakeLists.txt

@@ -1,12 +0,0 @@
-#################################################
-#
-#  (C) 2016 Slávek Banko
-#  slavek (DOT) banko (AT) axis.cz
-#
-#  Improvements and feedback are welcome
-#
-#  This file is released under GPL >= 2
-#
-#################################################
-
-tde_create_handbook( LANG fr DESTINATION tellico )