(svn r17702) -Change: [OSX] Assure that the minimal OSX version is defined in all cases.

-Codechange: [OSX] Improve conditional defines for OS version dependant code.

src/os/macosx/macos.h

@@ -25,6 +25,10 @@
 #define MAC_OS_X_VERSION_10_5 1050
 #endif
 
+#ifndef MAC_OS_X_VERSION_10_6
+#define MAC_OS_X_VERSION_10_6 1060
+#endif
+
 
 /*
  * Functions to show the popup window

src/os/macosx/macos.mm

@@ -182,21 +182,16 @@ const char *GetCurrentLocale(const char *)
 
 	/* Since Apple introduced encoding to CString in OSX 10.4 we have to make a few conditions
 	 * to get the right code for the used version of OSX. */
-#if (MAC_OS_X_VERSION_MAX_ALLOWED == MAC_OS_X_VERSION_10_4)
-	/* 10.4 can compile both versions just fine and will select the correct version at runtime based
-	 * on the version of OSX at execution time. */
+#if (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4)
 	if (MacOSVersionIsAtLeast(10, 4, 0)) {
 		[ preferredLang getCString:retbuf maxLength:32 encoding:NSASCIIStringEncoding ];
 	} else
 #endif
 	{
-		[ preferredLang getCString:retbuf maxLength:32
-#if (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5)
-		/* If 10.5+ is used to compile then encoding is needed here.
-		 * If 10.3 or 10.4 is used for compiling then this line is used by 10.3 and encoding should not be present here. */
-		encoding:NSASCIIStringEncoding
+#if (MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_4)
+		/* maxLength does not include the \0 char in contrast to the call above. */
+		[ preferredLang getCString:retbuf maxLength:31 ];
 #endif
-		];
 	}
 	return retbuf;
 }

src/os/macosx/osx_stdafx.h

@@ -30,7 +30,6 @@
 #	error "Compiling 64 bits without _SQ64 set! (or vice versa)"
 #endif
 
-#define MAC_OS_X_VERSION_MIN_REQUIRED MAC_OS_X_VERSION_10_3
 #include <AvailabilityMacros.h>
 
 /* Name conflict */