[multiple changes]

2017-04-27  Jerome Lambourg  <lambourg@adacore.com>

	* bindusg.adb, bindgen.adb, gnatbind.adb, opt.ads: add -nognarl switch.

2017-04-27  Justin Squirek  <squirek@adacore.com>

	* exp_ch7.adb (Build_Finalize_Statements): Move Num_Comps to
	Process_Component_List_For_Finalization as a local variable.
	(Process_Component_For_Finalize): Add an extra parameter to avoid
	global references.
	(Process_Component_List_For_Finalization): Correct calls to
	Process_Component_For_Finalize to take Num_Comps as a parameter.

From-SVN: r247310

gcc/ada/ChangeLog

+2017-04-27  Jerome Lambourg  <lambourg@adacore.com>
+
+	* bindusg.adb, bindgen.adb, gnatbind.adb, opt.ads: add -nognarl switch.
+
+2017-04-27  Justin Squirek  <squirek@adacore.com>
+
+	* exp_ch7.adb (Build_Finalize_Statements): Move Num_Comps to
+	Process_Component_List_For_Finalization as a local variable.
+	(Process_Component_For_Finalize): Add an extra parameter to avoid
+	global references.
+	(Process_Component_List_For_Finalization): Correct calls to
+	Process_Component_For_Finalize to take Num_Comps as a parameter.
+
 2017-04-27  Hristian Kirtchev  <kirtchev@adacore.com>
 
 	* sem_ch8.adb (Find_Direct_Name): Account for the case where

gcc/ada/bindgen.adb

@@ -2853,7 +2853,9 @@ package body Bindgen is
          --  used: System.OS_Interface should always be used by any tasking
          --  application.
 
+         if not Opt.No_Libgnarl then
             Check_Package (With_GNARL, "system.os_interface%s");
+         end if;
 
          --  Ditto for the use of restricted tasking
 

gcc/ada/exp_ch7.adb

@@ -6935,7 +6935,6 @@ package body Exp_Ch7 is
 
          Counter        : Int := 0;
          Finalizer_Data : Finalization_Exception_Data;
-         Num_Comps      : Nat := 0;
 
          function Process_Component_List_For_Finalize
            (Comps : Node_Id) return List_Id;
@@ -6954,12 +6953,14 @@ package body Exp_Ch7 is
               (Decl      : Node_Id;
                Alts      : List_Id;
                Decls     : List_Id;
-               Stmts : List_Id);
+               Stmts     : List_Id;
+               Num_Comps : in out Nat);
             --  Process the declaration of a single controlled component. If
             --  flag Is_Local is enabled, create the corresponding label and
             --  jump circuitry. Alts is the list of case alternatives, Decls
             --  is the top level declaration list where labels are declared
-            --  and Stmts is the list of finalization actions.
+            --  and Stmts is the list of finalization actions. Num_Comps
+            --  denotes the current number of components needing finalization.
 
             ------------------------------------
             -- Process_Component_For_Finalize --
@@ -6969,7 +6970,8 @@ package body Exp_Ch7 is
               (Decl      : Node_Id;
                Alts      : List_Id;
                Decls     : List_Id;
-               Stmts : List_Id)
+               Stmts     : List_Id;
+               Num_Comps : in out Nat)
             is
                Id       : constant Entity_Id := Defining_Identifier (Decl);
                Typ      : constant Entity_Id := Etype (Id);
@@ -7075,6 +7077,7 @@ package body Exp_Ch7 is
             Jump_Block : Node_Id;
             Label      : Node_Id;
             Label_Id   : Entity_Id;
+            Num_Comps  : Nat;
             Stmts      : List_Id;
             Var_Case   : Node_Id;
 
@@ -7185,7 +7188,8 @@ package body Exp_Ch7 is
                     and then Has_Access_Constraint (Decl_Id)
                     and then No (Expression (Decl))
                   then
-                     Process_Component_For_Finalize (Decl, Alts, Decls, Stmts);
+                     Process_Component_For_Finalize
+                       (Decl, Alts, Decls, Stmts, Num_Comps);
                   end if;
 
                   Prev_Non_Pragma (Decl);
@@ -7212,7 +7216,8 @@ package body Exp_Ch7 is
                   then
                      null;
                   else
-                     Process_Component_For_Finalize (Decl, Alts, Decls, Stmts);
+                     Process_Component_For_Finalize
+                       (Decl, Alts, Decls, Stmts, Num_Comps);
                   end if;
                end if;
 

gcc/ada/gnatbind.adb

@@ -6,7 +6,7 @@
 --                                                                          --
 --                                 B o d y                                  --
 --                                                                          --
---          Copyright (C) 1992-2016, Free Software Foundation, Inc.         --
+--          Copyright (C) 1992-2017, Free Software Foundation, Inc.         --
 --                                                                          --
 -- GNAT is free software;  you can  redistribute it  and/or modify it under --
 -- terms of the  GNU General Public License as published  by the Free Soft- --
@@ -447,6 +447,9 @@ procedure Gnatbind is
          elsif Argv (2 .. Argv'Last) = "nostdinc" then
             Opt.No_Stdinc := True;
 
+         elsif Argv (2 .. Argv'Last) = "nognarl" then
+            Opt.No_Libgnarl := True;
+
          --  -static
 
          elsif Argv (2 .. Argv'Last) = "static" then

gcc/ada/opt.ads

@@ -6,7 +6,7 @@
 --                                                                          --
 --                                 S p e c                                  --
 --                                                                          --
---          Copyright (C) 1992-2016, Free Software Foundation, Inc.         --
+--          Copyright (C) 1992-2017, Free Software Foundation, Inc.         --
 --                                                                          --
 -- GNAT is free software;  you can  redistribute it  and/or modify it under --
 -- terms of the  GNU General Public License as published  by the Free Soft- --
@@ -1147,6 +1147,10 @@ package Opt is
    --  GNATMAKE, GNATBIND, GNATFIND, GNATXREF
    --  Set to True if no default library search dirs added to search list.
 
+   No_Libgnarl : Boolean := False;
+   --  GNATBIND
+   --  Set to True if libgnarl is not available in the runtime.
+
    No_Strict_Aliasing : Boolean := False;
    --  GNAT
    --  Set True if pragma No_Strict_Aliasing with no parameters encountered.