Fix tde_create_tarball macro

+ The destination path for the installation was not properly used.
+ Dependency on source files was wrong when SOURCEDIR was used.

Signed-off-by: Slávek Banko <slavek.banko@axis.cz>
(cherry picked from commit ea81c7295c)

modules/TDEMacros.cmake

@@ -1470,8 +1470,8 @@ macro( tde_create_tarball )
 
     # found directive "DESTINATION"
     if( "+${_arg}" STREQUAL "+DESTINATION" )
-      unset( _dest )
+      unset( _destination )
-      set( _var _dest )
+      set( _var _destination )
       set( _directive 1 )
     endif( )
 
@@ -1492,6 +1492,11 @@ macro( tde_create_tarball )
     file( GLOB_RECURSE _files RELATIVE ${_sourcedir} "${_sourcedir}/*" )
   endif( )
 
+  unset( _files_deps )
+  foreach( _file ${_files} )
+    list( APPEND _files_deps "${_sourcedir}/${_file}" )
+  endforeach( )
+
   get_filename_component( _target_path "${CMAKE_CURRENT_BINARY_DIR}/${_target}" ABSOLUTE )
   file( RELATIVE_PATH _target_path "${CMAKE_BINARY_DIR}" "${_target_path}" )
   string( REPLACE "/" "+" _target_name "${_target_path}" )
@@ -1502,7 +1507,7 @@ macro( tde_create_tarball )
     COMMAND ${CMAKE_COMMAND} -E tar "cfz" "${CMAKE_CURRENT_BINARY_DIR}/${_target}" -- ${_files}
     WORKING_DIRECTORY "${_sourcedir}"
     OUTPUT  "${CMAKE_CURRENT_BINARY_DIR}/${_target}"
-    DEPENDS ${_files}
+    DEPENDS ${_files_deps}
     COMMENT "Create tarball ${_target_path}"
   )