tde_create_translated_desktop: Add the ability to process multiple source

files to be installed in the same destination folder.

Signed-off-by: Slávek Banko <slavek.banko@axis.cz>
(cherry picked from commit 7592371d26)

modules/TDEMacros.cmake

@@ -1771,13 +1771,13 @@ endmacro( )
 
 macro( tde_create_translated_desktop )
 
-  unset( _src )
+  unset( _srcs )
+  unset( _arg_out_name )
+  unset( _arg_po_dir )
   unset( _keywords_add )
-  unset( _po_dir )
   unset( _dest )
-  unset( _out_name )
   unset( _directive )
-  set( _var _src )
+  set( _var _srcs )
   set( _keywords_desktop_default
        "Name" "GenericName" "Comment" "Keywords"
        "Description" "ExtraNames" "X-TDE-Submenu" )
@@ -1786,8 +1786,8 @@ macro( tde_create_translated_desktop )
 
     # found directive "SOURCE"
     if( "+${_arg}" STREQUAL "+SOURCE" )
-      unset( _src )
-      set( _var _src )
+      unset( _srcs )
+      set( _var _srcs )
       set( _directive 1 )
     endif( )
 
@@ -1800,8 +1800,8 @@ macro( tde_create_translated_desktop )
 
     # found directive "PO_DIR"
     if( "+${_arg}" STREQUAL "+PO_DIR" )
-      unset( _po_dir )
-      set( _var _po_dir )
+      unset( _arg_po_dir )
+      set( _var _arg_po_dir )
       set( _directive 1 )
     endif( )
 
@@ -1814,8 +1814,8 @@ macro( tde_create_translated_desktop )
 
     # found directive "OUTPUT_NAME"
     if( "+${_arg}" STREQUAL "+OUTPUT_NAME" )
-      unset( _out_name )
-      set( _var _out_name )
+      unset( _arg_out_name )
+      set( _var _arg_out_name )
       set( _directive 1 )
     endif( )
 
@@ -1828,6 +1828,22 @@ macro( tde_create_translated_desktop )
 
   endforeach( )
 
+  # no source file specified!
+  if( NOT _srcs )
+    tde_message_fatal( "no source desktop file specified" )
+  endif( )
+
+  # OUTPUT_NAME can only be used if we have only one file
+  list( LENGTH _srcs _srcs_num )
+  if( _arg_out_name AND _srcs_num GREATER 1 )
+    tde_message_fatal( "OUTPUT_NAME can be supplied only with single file" )
+  endif( )
+
+  # if no destination directory specified, install as application link
+  if( NOT _dest )
+    set( _dest ${XDG_APPS_INSTALL_DIR} )
+  endif( )
+
   # select a tool for merging desktop file translations
   #
   # Because some of our desktop files contain underscores in variable
@@ -1868,10 +1884,10 @@ macro( tde_create_translated_desktop )
     endif( )
   endforeach( )
 
-  # no source file specified!
-  if( NOT _src )
-    tde_message_fatal( "no source desktop file specified" )
-  endif( )
+  # process source files
+  foreach( _src IN LISTS _srcs )
+
+    # get a base name and a directory
     get_filename_component( _basename ${_src} ABSOLUTE )
     get_filename_component( _basedir ${_basename} PATH )
     file( RELATIVE_PATH _basename "${CMAKE_CURRENT_SOURCE_DIR}" "${_basename}" )
@@ -1888,14 +1904,16 @@ macro( tde_create_translated_desktop )
       string( REGEX REPLACE "\\.cmake$" "" _basename "${_basename}" )
     endif()
 
-  # if no output name specified, use the same as source
-  if( NOT _out_name )
+    # determine output name
+    if( _arg_out_name )
+      set( _out_name ${_arg_out_name} )
+    else()
       get_filename_component( _out_name ${_basename} NAME )
     endif( )
 
     # determine po directory
-  if( _po_dir )
-    set( _po_base ${_po_dir} )
+    if( _arg_po_dir )
+      set( _po_base ${_arg_po_dir} )
     else()
       get_filename_component( _po_base ${_basename} NAME )
     endif()
@@ -1915,11 +1933,6 @@ macro( tde_create_translated_desktop )
       endif( )
     endif( )
 
-  # if no destination directory specified, install as application link
-  if( NOT _dest )
-    set( _dest ${XDG_APPS_INSTALL_DIR} )
-  endif( )
-
     # are there any translations available?
     unset( _translations )
     if( EXISTS "${_po_dir}" AND IS_DIRECTORY "${_po_dir}" )
@@ -1995,6 +2008,8 @@ macro( tde_create_translated_desktop )
       DESTINATION ${_dest}
     )
 
+  endforeach()
+
 endmacro( )