tde_create_translated_desktop: Process the source file using configure_file

if it has a ".cmake" extension.

Signed-off-by: Slávek Banko <slavek.banko@axis.cz>
(cherry picked from commit 690e7a7ec3)

modules/TDEMacros.cmake

@@ -1689,16 +1689,23 @@ macro( tde_create_translated_desktop )
   get_filename_component( _basedir ${_basename} PATH )
   file( RELATIVE_PATH _basename "${CMAKE_CURRENT_SOURCE_DIR}" "${_basename}" )
 
-  # if no output name specified, use the same as source
-  if( NOT _out_name )
-    get_filename_component( _out_name ${_src} NAME )
-  endif( )
-
   # prepare the binary directory according to source directory
   file( RELATIVE_PATH _binary_basedir "${CMAKE_CURRENT_SOURCE_DIR}" "${_basedir}" )
   set( _binary_basedir "${CMAKE_CURRENT_BINARY_DIR}/${_binary_basedir}" )
   file( MAKE_DIRECTORY "${_binary_basedir}" )
 
+  # process source file as a configuration file if necessary
+  if( "${_src}" MATCHES "\\.cmake$" )
+    configure_file( ${_src} ${_basename} @ONLY )
+    set( ${_src} "${CMAKE_CURRENT_BINARY_DIR}/${_basename}" )
+    string( REGEX REPLACE "\\.cmake$" "" _basename "${_basename}" )
+  endif()
+
+  # if no output name specified, use the same as source
+  if( NOT _out_name )
+    get_filename_component( _out_name ${_basename} NAME )
+  endif( )
+
   # if no po directory specified, try to determine it
   if( NOT _po_dir )
     if( EXISTS ${CMAKE_SOURCE_DIR}/translations/desktop_files/${_basename} AND
@@ -1725,7 +1732,7 @@ macro( tde_create_translated_desktop )
   if( _translations )
 
     # prepare a full name for the target
-    get_filename_component( _target ${_src} ABSOLUTE )
+    get_filename_component( _target ${_basename} ABSOLUTE )
     file( RELATIVE_PATH _target "${CMAKE_SOURCE_DIR}" "${_target}" )
     string( REPLACE "/" "+" _target "${_target}-translated" )