1 files changed, 20 insertions, 20 deletions
diff --git a/innobase/include/univ.i b/innobase/include/univ.i
index b958475e683..e7d93a594c1 100644
--- a/innobase/include/univ.i
+++ b/innobase/include/univ.i
@@ -9,40 +9,26 @@ Created 1/20/1994 Heikki Tuuri
 #ifndef univ_i
 #define univ_i
 
-#if (defined(_WIN32) || defined(_WIN64)) && !defined(MYSQL_SERVER)
+#if (defined(WIN32) || defined(_WIN32) || defined(WIN64) || defined(_WIN64)) && !defined(MYSQL_SERVER)
 #define __WIN__
 
 #include <windows.h>
 
-/* When compiling for Itanium IA64, undefine the flag below to prevent use
-of 32-bit assembler */
-
-#ifndef WIN64
+#if !defined(WIN64) && !defined(_WIN64)
 #define UNIV_CAN_USE_X86_ASSEMBLER
 #endif
 
-/* If you want to check for errors with compiler level -W4,
-comment out the above include of windows.h and let the following defines
-be defined:
-#define HANDLE void*
-#define CRITICAL_SECTION	ulint
-*/
-
 #ifdef _NT_
 #define __NT__
 #endif
 
 #else
-/* The Unix version */
-
-/* Most C compilers other than gcc do not know 'extern inline' */ 
-#if !defined(__GNUC__) && !defined(__WIN__)
-#define UNIV_MUST_NOT_INLINE
-#endif
+/* The defines used with MySQL */
 
 /* Include two header files from MySQL to make the Unix flavor used
-in compiling more Posix-compatible. We assume that 'innobase' is a
-subdirectory of 'mysql'. */
+in compiling more Posix-compatible. These headers also define __WIN__
+if we are compiling on Windows. */
+
 #include <global.h>
 #include <my_pthread.h>
 
@@ -59,6 +45,20 @@ subdirectory of 'mysql'. */
 #include <sched.h>
 #endif
 
+/* When compiling for Itanium IA64, undefine the flag below to prevent use
+of the 32-bit x86 assembler in mutex operations. */
+
+#if defined(__WIN__) && !defined(WIN64) && !defined(_WIN64)
+#define UNIV_CAN_USE_X86_ASSEMBLER
+#endif
+
+/* We only try to do explicit inlining of functions with gcc and
+Microsoft Visual C++ */
+
+#if !defined(__GNUC__) && !defined(__WIN__)
+#define UNIV_MUST_NOT_INLINE
+#endif
+
 #ifdef HAVE_PREAD
 #define HAVE_PWRITE
 #endif