Support Windows XP entrypoints.

diff --git a/SConstruct b/SConstruct
index a6153733082a37659936f83c1f938bc5e3f0c651..7e82350e5989927fff464c5018ddd43743def12a 100644 (file)
--- a/SConstruct
+++ b/SConstruct
@@ -40,6 +40,7 @@ env.Append(CPPDEFINES = [
     '_CRT_NON_CONFORMING_SWPRINTFS',
     'WIN32_LEAN_AND_MEAN',
     '_USRDLL',
+    ('_WIN32_WINNT', '0x0501'), # minimum required OS version
 ])
 
 if env['debug']: