2011-08-04 Emmanuel Briot <briot@adacore.com>

	* makeutl.adb (Complete_Mains): if the user has passed a relative file
	name on the command line (for instance "../dummy"), never assume it can
	be a unit name.

2011-08-04  Tristan Gingold  <gingold@adacore.com>

	* bindgen.adb: Remove code the reference or create the
	Break_Start/__gnat_break_start procedure.
	* s-stalib.adb (Break_Start): Removed.



git-svn-id: https://gcc.gnu.org/svn/gcc/trunk@177374 138bc75d-0d04-0410-961f-82ee72b054a4

4 files changed, 18 insertions, 39 deletions

diff --git a/gcc/ada/ChangeLog b/gcc/ada/ChangeLog
index 655feddda7d..da4cc103f9c 100644
--- a/gcc/ada/ChangeLog
+++ b/gcc/ada/ChangeLog
@@ -1,5 +1,17 @@
 2011-08-04  Emmanuel Briot  <briot@adacore.com>
 
+	* makeutl.adb (Complete_Mains): if the user has passed a relative file
+	name on the command line (for instance "../dummy"), never assume it can
+	be a unit name.
+
+2011-08-04  Tristan Gingold  <gingold@adacore.com>
+
+	* bindgen.adb: Remove code the reference or create the
+	Break_Start/__gnat_break_start procedure.
+	* s-stalib.adb (Break_Start): Removed.
+
+2011-08-04  Emmanuel Briot  <briot@adacore.com>
+
 	* make.adb, makeutl.adb, makeutl.ads (Compute_Builder_Switches): now
 	shared with gprbuild.
 
diff --git a/gcc/ada/bindgen.adb b/gcc/ada/bindgen.adb
index 0da8a3a41ad..a31b0e266ab 100644
--- a/gcc/ada/bindgen.adb
+++ b/gcc/ada/bindgen.adb
@@ -2301,7 +2301,6 @@ package body Bindgen is
       WBI ("      " & Ada_Init_Name.all & ";");
 
       if not No_Main_Subprogram then
-         WBI ("      Break_Start;");
 
          if CodePeer_Mode then
 
@@ -2477,7 +2476,6 @@ package body Bindgen is
       WBI ("   " & Ada_Init_Name.all & " ();");
 
       if not No_Main_Subprogram then
-         WBI ("   __gnat_break_start ();");
 
          --  Output main program name
 
@@ -3059,19 +3057,6 @@ package body Bindgen is
 
       if Bind_Main_Program and then VM_Target = No_VM then
 
-         --  If we have the standard library, then Break_Start is defined
-         --  there, but when the standard library is suppressed, Break_Start
-         --  is defined here.
-
-         WBI ("");
-         WBI ("   procedure Break_Start;");
-
-         if Suppress_Standard_Library_On_Target then
-            WBI ("   pragma Export (C, Break_Start, ""__gnat_break_start"");");
-         else
-            WBI ("   pragma Import (C, Break_Start, ""__gnat_break_start"");");
-         end if;
-
          WBI ("");
 
          if Exit_Status_Supported_On_Target then
@@ -3232,18 +3217,6 @@ package body Bindgen is
       Gen_Adainit_Ada;
 
       if Bind_Main_Program and then VM_Target = No_VM then
-
-         --  When suppressing the standard library then generate dummy body
-         --  for Break_Start
-
-         if Suppress_Standard_Library_On_Target then
-            WBI ("");
-            WBI ("   procedure Break_Start is");
-            WBI ("   begin");
-            WBI ("      null;");
-            WBI ("   end;");
-         end if;
-
          Gen_Main_Ada;
       end if;
 
@@ -3321,7 +3294,6 @@ package body Bindgen is
             WBI ("extern void exit (int);");
          end if;
 
-         WBI ("extern void __gnat_break_start (void);");
          Set_String ("extern ");
 
          if ALIs.Table (ALIs.First).Main_Program = Proc then
@@ -3417,14 +3389,6 @@ package body Bindgen is
          WBI ("");
       end if;
 
-      --  When suppressing the standard library, the __gnat_break_start routine
-      --  (for the debugger to get initial control) is defined in this file.
-
-      if Suppress_Standard_Library_On_Target then
-         WBI ("void __gnat_break_start (void) {}");
-         WBI ("");
-      end if;
-
       --  Generate the __gnat_version and __gnat_ada_main_program_name info
       --  only for the main program. Otherwise, it can lead under some
       --  circumstances to a symbol duplication during the link (for instance
diff --git a/gcc/ada/makeutl.adb b/gcc/ada/makeutl.adb
index 95fab066435..e8134bfef85 100644
--- a/gcc/ada/makeutl.adb
+++ b/gcc/ada/makeutl.adb
@@ -1510,7 +1510,9 @@ package body Makeutl is
                            Source := No_Source;
                         end if;
 
-                        if Source = No_Source then
+                        if Source = No_Source
+                          and then not Is_Absolute
+                        then
 
                            --  Still not found? Maybe we have a unit name
 
diff --git a/gcc/ada/s-stalib.adb b/gcc/ada/s-stalib.adb
index ffea8d008cd..ba83b8d9cdc 100644
--- a/gcc/ada/s-stalib.adb
+++ b/gcc/ada/s-stalib.adb
@@ -6,7 +6,7 @@
 --                                                                          --
 --                                 B o d y                                  --
 --                                                                          --
---          Copyright (C) 1995-2009, Free Software Foundation, Inc.         --
+--          Copyright (C) 1995-2011, 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- --
@@ -94,7 +94,8 @@ package body System.Standard_Library is
    pragma Export (C, Break_Start, "__gnat_break_start");
    --  This is a dummy procedure that is called at the start of execution.
    --  Its sole purpose is to provide a well defined point for the placement
-   --  of a main program breakpoint.
+   --  of a main program breakpoint. This is not used anymore but kept for
+   --  bootstrapping issues (still referenced by old gnatbind generated files).
 
    procedure Break_Start is
    begin