Allow EFIAPI to be defined on the compiler command line.

[mirror_edk2.git] / MdePkg / Include / Ipf / ProcessorBind.h

diff --git a/MdePkg/Include/Ipf/ProcessorBind.h b/MdePkg/Include/Ipf/ProcessorBind.h
index deaf5a292a4fda01a465bf4ad8d8eb29127f06a4..3532b7d4a408c509baa58e1b19defcc20f22c3e1 100644 (file)
--- a/MdePkg/Include/Ipf/ProcessorBind.h
+++ b/MdePkg/Include/Ipf/ProcessorBind.h
@@ -1,7 +1,7 @@
 /** @file\r
   Processor or Compiler specific defines and types for Intel Itanium(TM).\r
 \r
-  Copyright (c) 2006 - 2008, Intel Corporation<BR>\r
+  Copyright (c) 2006 - 2009, Intel Corporation<BR>\r
   All rights reserved. This program and the accompanying materials\r
   are licensed and made available under the terms and conditions of the BSD License\r
   which accompanies this distribution.  The full text of the license may be found at\r
@@ -358,7 +358,11 @@ typedef INT64   INTN;
 // use the correct C calling convention. All protocol member functions and\r
 // EFI intrinsics are required to modify their member functions with EFIAPI.\r
 //\r
-#if defined(_MSC_EXTENSIONS)\r
+#ifdef EFIAPI\r
+  ///\r
+  /// If EFIAPI is already defined, then we use that definition.\r
+  ///\r
+#elif defined(_MSC_EXTENSIONS)\r
   ///\r
   /// Microsoft* compiler specific method for EFIAPI calling convension\r
   /// \r