[gobject-introspection] scanner: Don't re-parse includes we already found

[Colin Walters <walters src gnome org>]

commit 9c1d1813223346b17cfee0383bf026b2c93c385f
Author: Colin Walters <walters verbum org>
Date:   Wed Feb 27 11:09:30 2013 -0500

    scanner: Don't re-parse includes we already found
    
    This fixes the Pango build where it has a chain of two
    --include-uninstalled.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=694593

 giscanner/transformer.py |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)
---
diff --git a/giscanner/transformer.py b/giscanner/transformer.py
index e8cbf3d..3513fc8 100644
--- a/giscanner/transformer.py
+++ b/giscanner/transformer.py
@@ -206,8 +206,9 @@ None."""
                 self._cachestore.store(filename, parser)
 
         for include in parser.get_namespace().includes:
-            dep_filename = self._find_include(include)
-            self._parse_include(dep_filename)
+            if include.name not in self._parsed_includes:
+                dep_filename = self._find_include(include)
+                self._parse_include(dep_filename)
 
         if not uninstalled:
             for pkg in parser.get_namespace().exported_packages: