[gobject-introspection] Windows port: Export all symbols on Windows.

[Dieter Verfaillie <dieterv src gnome org>]

commit ab71b3fe85fb83ef9f5474dcf975645dae90b465
Author: Dieter Verfaillie <dieterv optionexplicit be>
Date:   Mon Sep 5 21:34:57 2011 +0200

    Windows port: Export all symbols on Windows.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=620566

 giscanner/dumper.py |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)
---
diff --git a/giscanner/dumper.py b/giscanner/dumper.py
index 3f79bfa..a6347d8 100644
--- a/giscanner/dumper.py
+++ b/giscanner/dumper.py
@@ -225,7 +225,10 @@ class DumpCompiler(object):
         args.extend(self._linker_cmd.split())
         args.extend(['-o', output])
         if libtool:
-            args.append('-export-dynamic')
+            if os.name == 'nt':
+                args.append('-export-all-symbols')
+            else:
+                args.append('-export-dynamic')
 
         cflags = os.environ.get('CFLAGS')
         if (cflags):