Update TDEL10n module

+ Added ability to merge additional template.

Signed-off-by: Slávek Banko <slavek.banko@axis.cz>
(cherry picked from commit e66f00401f)

modules/TDEL10n.cmake

@@ -83,6 +83,16 @@ if( NOT DEFINED MSGUNIQ_EXECUTABLE )
   endif( )
 endif( )
 
+if( NOT DEFINED MSGCAT_EXECUTABLE )
+  find_program( MSGCAT_EXECUTABLE
+    NAMES msgcat
+    HINTS "${TDE_PREFIX}/bin"
+  )
+  if( NOT MSGCAT_EXECUTABLE )
+    tde_message_fatal( "msgcat is required but not found" )
+  endif( )
+endif( )
+
 
 #################################################
 #####
@@ -173,6 +183,7 @@ macro( tde_l10n_create_template )
   unset( _files )
   unset( _rcs )
   unset( _desktops )
+  unset( _pots )
   unset( _dest )
   unset( _keywords )
   unset( _attributes )
@@ -399,6 +410,14 @@ macro( tde_l10n_create_template )
     endif( )
   endforeach( )
 
+  # pick pot files *.pot
+  foreach( _src ${_files} )
+    if( ${_src} MATCHES "\\.pot(\\.cmake)?(\\.tde_l10n)?$" )
+      list( APPEND _pots ${_src} )
+      list( REMOVE_ITEM _files ${_src} )
+    endif( )
+  endforeach( )
+
   # create translation template
   if( _files )
     execute_process(
@@ -439,9 +458,10 @@ macro( tde_l10n_create_template )
         file( WRITE ${CMAKE_CURRENT_SOURCE_DIR}/extracted-pot.tmp ${_pot} )
         file( APPEND ${CMAKE_CURRENT_SOURCE_DIR}/extracted-pot.tmp ${_potDesktop} )
         execute_process(
-          COMMAND ${MSGUNIQ_EXECUTABLE}
-            INPUT_FILE ${CMAKE_CURRENT_SOURCE_DIR}/extracted-pot.tmp
-            OUTPUT_VARIABLE _pot
+          COMMAND ${MSGUNIQ_EXECUTABLE} --use-first
+          INPUT_FILE ${CMAKE_CURRENT_SOURCE_DIR}/extracted-pot.tmp
+          WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+          OUTPUT_VARIABLE _pot
         )
         file( REMOVE ${CMAKE_CURRENT_SOURCE_DIR}/extracted-pot.tmp )
       else( )
@@ -454,6 +474,21 @@ macro( tde_l10n_create_template )
     endif( )
   endif( )
 
+  # merge additional pot files
+  if( _pots )
+    file( WRITE ${CMAKE_CURRENT_SOURCE_DIR}/extracted-pot.tmp ${_pot} )
+    execute_process(
+      COMMAND ${MSGCAT_EXECUTABLE} --use-first extracted-pot.tmp ${_pots}
+      WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+      OUTPUT_VARIABLE _pot
+    )
+    file( REMOVE ${CMAKE_CURRENT_SOURCE_DIR}/extracted-pot.tmp )
+
+    # set charset and encoding headers
+    string( REPLACE "Content-Type: text/plain charset=CHARSET" "Content-Type: text/plain charset=UTF-8" _pot ${_pot} )
+    string( REPLACE "Content-Transfer-Encoding: ENCODING" "Content-Transfer-Encoding: 8bit" _pot ${_pot} )
+  endif( )
+
   # finalize translation template
   if( _pot )