Fix bug #52263 innodb does not compile on OpenSolaris with gcc4.3.2

Disable the GCC visibility attribute on all sun platforms.

Approved by Marko on IRC.

storage/innobase/include/univ.i

@@ -254,8 +254,10 @@ by one. */
 			option off; also some ibuf tests are suppressed */
 
 /* Linkage specifier for non-static InnoDB symbols (variables and functions)
-that are only referenced from within InnoDB, not from MySQL */
-#if defined(__GNUC__) && (__GNUC__ >= 4) || defined(__INTEL_COMPILER)
+that are only referenced from within InnoDB, not from MySQL. We disable the
+GCC visibility directive on all Sun operating systems because there is no
+easy way to get it to work. See http://bugs.mysql.com/bug.php?id=52263. */
+#if defined(__GNUC__) && (__GNUC__ >= 4) && !defined(sun) || defined(__INTEL_COMPILER)
 # define UNIV_INTERN __attribute__((visibility ("hidden")))
 #else
 # define UNIV_INTERN