mysqld.cc:

  Bug#14960, reverted code to make symdir work on Windows
symlink.test:
  Disabled test case on Windows

mysql-test/t/symlink.test

@@ -3,6 +3,8 @@ disable_query_log;
 show variables like "have_symlink";
 enable_query_log;
 
+--source include/not_windows.inc
+
 --disable_warnings
 drop table if exists t1,t2,t7,t8,t9;
 drop database if exists mysqltest;

sql/mysqld.cc

@@ -5950,7 +5950,7 @@ static void mysql_init_variables(void)
 #else
   have_openssl=SHOW_OPTION_NO;
 #endif
-#if !defined(HAVE_REALPATH) || defined(HAVE_BROKEN_REALPATH)
+#ifdef HAVE_BROKEN_REALPATH
   have_symlink=SHOW_OPTION_NO;
 #else
   have_symlink=SHOW_OPTION_YES;
@@ -6631,7 +6631,7 @@ static void get_options(int argc,char **argv)
     usage();
     exit(0);
   }
-#if !defined(HAVE_REALPATH) || defined(HAVE_BROKEN_REALPATH)
+#if defined(HAVE_BROKEN_REALPATH)
   my_use_symdir=0;
   my_disable_symlinks=1;
   have_symlink=SHOW_OPTION_NO;