1, Use #if defined() to judge the switching macro such as compiler macro.

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

diff --git a/MdePkg/Include/Ipf/ProcessorBind.h b/MdePkg/Include/Ipf/ProcessorBind.h
index d92f16ca27532614662ee2df872b1bea22f2b11c..eb31c3f7bdb31b4eed26250964cfa49396576180 100644 (file)
--- a/MdePkg/Include/Ipf/ProcessorBind.h
+++ b/MdePkg/Include/Ipf/ProcessorBind.h
@@ -28,7 +28,7 @@
 #pragma pack()\r
 \r
 \r
-#if __INTEL_COMPILER\r
+#if defined(__INTEL_COMPILER)\r
 //\r
 // Disable ICC's remark #869: "Parameter" was never referenced warning.\r
 // This is legal ANSI C code so we disable the remark that is turned on with -Wall\r
@@ -50,7 +50,7 @@
 #endif\r
 \r
 \r
-#if _MSC_EXTENSIONS\r
+#if defined(_MSC_EXTENSIONS)\r
 //\r
 // Disable warning that make it impossible to compile at /W4\r
 // This only works for Microsoft* tools\r
@@ -101,12 +101,12 @@
 #endif\r
 \r
 \r
-#if (__STDC_VERSION__ < 199901L)\r
+#if defined(__STDC_VERSION__) && (__STDC_VERSION__ < 199901L)\r
   //\r
   // No ANSI C 2000 stdint.h integer width declarations, so define equivalents\r
   //\r
 \r
-  #if _MSC_EXTENSIONS\r
+  #if defined(_MSC_EXTENSIONS)\r
     //\r
     // use Microsoft C complier dependent integer width types\r
     //\r
@@ -158,7 +158,7 @@
     ///\r
     typedef char                INT8;\r
   #else\r
-    #ifdef _EFI_P64\r
+    #if defined(_EFI_P64)\r
       //\r
       // P64 - pointers being 64-bit and longs and ints are 32-bits.\r
       //\r
@@ -358,7 +358,7 @@ 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 _MSC_EXTENSIONS\r
+#if defined(_MSC_EXTENSIONS)\r
   ///\r
   /// Microsoft* compiler specific method for EFIAPI calling convension\r
   /// \r
@@ -372,7 +372,7 @@ typedef INT64   INTN;
 //  if the /OPT:REF linker option is used. We defined a macro as this is a\r
 //  a non standard extension\r
 //\r
-#if _MSC_EXTENSIONS\r
+#if defined(_MSC_EXTENSIONS)\r
   ///\r
   /// Remove global variable from the linked image if there are no references to \r
   /// it after all compiler and linker optimizations have been performed.\r