tde_import: Always do 'include' because macro can be called in a scope that is not global.

Signed-off-by: Slávek Banko <slavek.banko@axis.cz>

modules/TDEMacros.cmake

@@ -880,14 +880,20 @@ macro( tde_import _library )
       set( TDE_IMPORT_${_library} "build" CACHE INTERNAL "Library ${_library} activated for build" )
     else()
       if( EXISTS "${TDE_CMAKE_DIR}/${_library}.cmake" )
-        include( "${TDE_CMAKE_DIR}/${_library}.cmake" )
+        set( tde_import_include "${TDE_CMAKE_DIR}/${_library}.cmake" )
       elseif( EXISTS "${TQT_CMAKE_DIR}/${_library}.cmake" )
-        include( "${TQT_CMAKE_DIR}/${_library}.cmake" )
+        set( tde_import_include "${TQT_CMAKE_DIR}/${_library}.cmake" )
       else()
         tde_message_fatal( "'${_library}' is required, but is not installed nor selected for build" )
       endif()
+      include( "${tde_import_include}" )
       message( STATUS "Checking for '${_library}' - ok, found import file" )
-      set( TDE_IMPORT_${_library} "import" CACHE INTERNAL "Library ${_library} imported" )
+      set( TDE_IMPORT_${_library} "import:${tde_import_include}" CACHE INTERNAL "Library ${_library} imported" )
+    endif()
+  else()
+    if( "${TDE_IMPORT_${_library}}" MATCHES "^import:" )
+      string( REGEX REPLACE "^import:" "" tde_import_include "${TDE_IMPORT_${_library}}" )
+      include( "${tde_import_include}" )
     endif()
   endif()
 endmacro()