Merge trift2.:/MySQL/M51/mysql-5.1

into  trift2.:/MySQL/M51/push-5.1

configure.in

@@ -71,14 +71,22 @@ AC_SUBST(AVAILABLE_LANGUAGES)
 
 
 # Canonicalize the configuration name.
-SYSTEM_TYPE="$host_vendor-$host_os"
-MACHINE_TYPE="$host_cpu"
+
+# Check whether --with-system-type or --without-system-type was given.
+AC_ARG_WITH(system-type,
+    [  --with-system-type      Set the system type, like "sun-solaris10"],
+    [SYSTEM_TYPE="$withval"],
+    [SYSTEM_TYPE="$host_vendor-$host_os"])
+AC_ARG_WITH(machine-type,
+    [  --with-machine-type     Set the machine type, like "powerpc"],
+    [MACHINE_TYPE="$withval"],
+    [MACHINE_TYPE="$host_cpu"])
 AC_SUBST(SYSTEM_TYPE)
 AC_DEFINE_UNQUOTED([SYSTEM_TYPE], ["$SYSTEM_TYPE"],
-                   [Name of system, eg solaris])
+                   [Name of system, eg sun-solaris])
 AC_SUBST(MACHINE_TYPE)
 AC_DEFINE_UNQUOTED([MACHINE_TYPE], ["$MACHINE_TYPE"],
-                   [Machine type name, eg sun10])
+                   [Machine type name, eg sparc])
 
 # Detect intel x86 like processor
 BASE_MACHINE_TYPE=$MACHINE_TYPE

libmysql/libmysql.c

@@ -168,8 +168,23 @@ int STDCALL mysql_server_init(int argc __attribute__((unused)),
 }
 
 
+/*
+  Free all memory and resources used by the client library
+
+  NOTES
+    When calling this there should not be any other threads using
+    the library.
+
+    To make things simpler when used with windows dll's (which calls this
+    function automaticly), it's safe to call this function multiple times.
+*/
+
+
 void STDCALL mysql_server_end()
 {
+  if (!mysql_client_init)
+    return;
+
 #ifdef EMBEDDED_LIBRARY
   end_embedded_server();
 #endif

sql/field.cc

@@ -6457,6 +6457,7 @@ Field *Field_string::new_field(MEM_ROOT *root, struct st_table *new_table,
   is 2.
 ****************************************************************************/
 
+const uint Field_varstring::MAX_SIZE= UINT_MAX16;
 
 int Field_varstring::store(const char *from,uint length,CHARSET_INFO *cs)
 {

sql/field.h

@@ -1183,7 +1183,7 @@ public:
     The maximum space available in a Field_varstring, in bytes. See
     length_bytes.
   */
-  static const uint MAX_SIZE= UINT_MAX16;
+  static const uint MAX_SIZE;
   /* Store number of bytes used to store length (1 or 2) */
   uint32 length_bytes;
   Field_varstring(uchar *ptr_arg,