Work around idiocy with type encodings.

selector_table.c

@@ -94,7 +94,39 @@ static BOOL selector_types_equal(const char *t1, const char *t2)
 	{
 		t1 = skip_irrelevant_type_info(t1);
 		t2 = skip_irrelevant_type_info(t2);
-		if (*t1 != *t2)
+		// This is a really ugly hack.  For some stupid reason, the people
+		// designing Objective-C type encodings decided to allow * as a
+		// shorthand for char*, because strings are 'special'.  Unfortunately,
+		// FSF GCC generates "*" for @encode(BOOL*), while Clang and Apple GCC
+		// generate "^c" or "^C" (depending on whether BOOL is declared
+		// unsigned).  
+		//
+		// The correct fix is to remove * completely from type encodings, but
+		// unfortunately my time machine is broken so I can't travel to 1986
+		// and apply a cluebat to those responsible.
+		if ((*t1 == '*') && (*t2 != '*'))
+		{
+			if (*t2 == '^' && (((*(t2+2) == 'C') || (*(t2+2) == 'C'))))
+			{
+				t2++;
+			}
+			else
+			{
+				return NO;
+			}
+		}
+		else if ((*t2 == '*') && (*t1 != '*'))
+		{
+			if (*t1 == '^' && (((*(t1+2) == 'C') || (*(t1+2) == 'C'))))
+			{
+				t1++;
+			}
+			else
+			{
+				return NO;
+			}
+		}
+		else if (*t1 != *t2)
 		{
 			return NO;
 		}