Change ifndef's to undef's

programs/bench.c

@@ -147,12 +147,10 @@ typedef struct {
 
 
 
-#ifndef MIN
+#undef MIN
+#undef MAX
 #define MIN(a,b)    ((a) < (b) ? (a) : (b))
-#endif
-#ifndef MAX
 #define MAX(a,b)    ((a) > (b) ? (a) : (b))
-#endif
 
 static int BMK_benchMem(const void* srcBuffer, size_t srcSize,
                         const char* displayName, int cLevel,

programs/dibio.c

@@ -89,9 +89,8 @@ unsigned DiB_isError(size_t errorCode) { return ERR_isError(errorCode); }
 
 const char* DiB_getErrorName(size_t errorCode) { return ERR_getErrorName(errorCode); }
 
-#ifndef MIN
+#undef MIN
 #define MIN(a,b)    ((a) < (b) ? (a) : (b))
-#endif
 
 
 /* ********************************************************

programs/fileio.c

@@ -96,9 +96,8 @@ void FIO_setNotificationLevel(unsigned level) { g_displayLevel=level; }
 static const clock_t refreshRate = CLOCKS_PER_SEC * 15 / 100;
 static clock_t g_time = 0;
 
-#ifndef MIN
+#undef MIN
 #define MIN(a,b)    ((a) < (b) ? (a) : (b))
-#endif
 
 /* ************************************************************
 * Avoid fseek()'s 2GiB barrier with MSVC, MacOS, *BSD, MinGW