Less dependencies in include files

include/m_string.h

@@ -22,7 +22,6 @@
 #ifndef _m_string_h
 #define _m_string_h
 
-#include "my_global.h"                          /* HAVE_* */
 #include "my_decimal_limits.h"
 
 #ifndef __USE_GNU

sql/filesort.cc

@@ -25,9 +25,6 @@
 #include "mariadb.h"
 #include "sql_priv.h"
 #include "filesort.h"
-#ifdef HAVE_STDDEF_H
-#include <stddef.h>			/* for macro offsetof */
-#endif
 #include <m_ctype.h>
 #include "sql_sort.h"
 #include "probes_mysql.h"

sql/item.h

@@ -128,8 +128,6 @@ enum precedence {
   HIGHEST_PRECEDENCE
 };
 
-typedef Bounds_checked_array<Item*> Ref_ptr_array;
-
 bool mark_unsupported_function(const char *where, void *store, uint result);
 
 /* convenience helper for mark_unsupported_function() above */

sql/sql_array.h

@@ -258,4 +258,6 @@ template <class Elem> class Dynamic_array
   }
 };
 
+typedef Bounds_checked_array<Item*> Ref_ptr_array;
+
 #endif /* SQL_ARRAY_INCLUDED */

sql/sql_class.h

@@ -2052,11 +2052,6 @@ typedef struct
 
 extern "C" void my_message_sql(uint error, const char *str, myf MyFlags);
 
-class THD;
-#ifndef DBUG_OFF
-void dbug_serve_apcs(THD *thd, int n_calls);
-#endif 
-
 /**
   @class THD
   For each client connection we create a separate thread with THD serving as
@@ -6292,6 +6287,10 @@ class Type_holder: public Sql_alloc,
 };
 
 
+#ifndef DBUG_OFF
+void dbug_serve_apcs(THD *thd, int n_calls);
+#endif 
+
 #endif /* MYSQL_SERVER */
 
 #endif /* SQL_CLASS_INCLUDED */

sql/sql_lex.h

@@ -31,6 +31,7 @@
 #include "sql_trigger.h"
 #include "sp.h"                       // enum stored_procedure_type
 #include "sql_tvc.h"
+#include "item.h"
 
 /* YACC and LEX Definitions */
 

sql/sql_tvc.h

@@ -16,14 +16,14 @@
 #ifndef SQL_TVC_INCLUDED
 #define SQL_TVC_INCLUDED
 #include "sql_type.h"
-#include "item.h"
 
 typedef List<Item> List_item;
 class select_result;
-
 class Explain_select;
 class Explain_query;
 class Item_func_in;
+class st_select_lex_unit;
+typedef class st_select_lex SELECT_LEX;
 
 /**
   @class table_value_constr

sql/sql_type.h

@@ -73,7 +73,6 @@ struct Schema_specification_st;
 struct TABLE;
 struct SORT_FIELD_ATTR;
 
-
 /*
   Flags for collation aggregation modes, used in TDCollation::agg():
 

sql/sql_window.h

@@ -17,7 +17,6 @@
 #ifndef SQL_WINDOW_INCLUDED
 #define SQL_WINDOW_INCLUDED
 
-#include "item.h"
 #include "filesort.h"
 #include "records.h"
 

storage/tokudb/PerconaFT/portability/toku_debug_sync.h

@@ -43,13 +43,14 @@ struct tokutxn;
 #if defined(ENABLED_DEBUG_SYNC)
 
 /*
-  the below macros are defined in my_global.h, which is included in m_string.h,
+  the below macros are defined in my_global.h
   the same macros are defined in TokuSetupCompiler.cmake as compiler options,
   undefine them here to avoid build errors
 */
 #undef __STDC_FORMAT_MACROS
 #undef __STDC_LIMIT_MACROS
 
+#include "my_global.h"
 #include "m_string.h"
 #include "debug_sync.h"