2009-08-17 Emmanuel Briot <briot@adacore.com>

	* prj-part.adb, prj.adb, prj.ads, prj-nmsc.adb, prj-conf.adb
	(Processing_Flags.Require_Obj_Dirs): new field, which controls whether
	object directories must be present. In the case of gprclean at least,
	these are optional (if they do not exist there is nothing to clean)

From-SVN: r150827

1 files changed, 22 insertions, 3 deletions

diff --git a/gcc/ada/prj.ads b/gcc/ada/prj.ads
index 8f95c08..76eb59a 100644
--- a/gcc/ada/prj.ads
+++ b/gcc/ada/prj.ads
@@ -1386,7 +1386,9 @@ package Prj is
       Require_Sources_Other_Lang : Boolean := True;
       Allow_Duplicate_Basenames  : Boolean := True;
       Compiler_Driver_Mandatory  : Boolean := False;
-      Error_On_Unknown_Language  : Boolean := True) return Processing_Flags;
+      Error_On_Unknown_Language  : Boolean := True;
+      Require_Obj_Dirs           : Error_Warning := Error)
+      return Processing_Flags;
    --  Function used to create Processing_Flags structure
    --
    --  If Allow_Duplicate_Basenames, then files with the same base names are
@@ -1410,8 +1412,13 @@ package Prj is
    --
    --  If Error_On_Unknown_Language is true, an error is displayed if some of
    --  the source files listed in the project do not match any naming scheme
+   --
+   --  If Require_Obj_Dirs is true, then all object directories must exist
+   --  (possibly after they have been created automatically if the appropriate
+   --  switches were specified), or an error is raised.
 
    Gprbuild_Flags : constant Processing_Flags;
+   Gprclean_Flags : constant Processing_Flags;
    Gnatmake_Flags : constant Processing_Flags;
    --  Flags used by the various tools. They all display the error messages
    --  through Prj.Err.
@@ -1516,6 +1523,7 @@ private
       Allow_Duplicate_Basenames  : Boolean;
       Compiler_Driver_Mandatory  : Boolean;
       Error_On_Unknown_Language  : Boolean;
+      Require_Obj_Dirs           : Error_Warning;
    end record;
 
    Gprbuild_Flags : constant Processing_Flags :=
@@ -1524,7 +1532,17 @@ private
       Require_Sources_Other_Lang => True,
       Allow_Duplicate_Basenames  => False,
       Compiler_Driver_Mandatory  => True,
-      Error_On_Unknown_Language  => True);
+      Error_On_Unknown_Language  => True,
+      Require_Obj_Dirs           => Error);
+
+   Gprclean_Flags : constant Processing_Flags :=
+     (Report_Error               => null,
+      When_No_Sources            => Warning,
+      Require_Sources_Other_Lang => True,
+      Allow_Duplicate_Basenames  => False,
+      Compiler_Driver_Mandatory  => True,
+      Error_On_Unknown_Language  => True,
+      Require_Obj_Dirs           => Warning);
 
    Gnatmake_Flags : constant Processing_Flags :=
      (Report_Error               => null,
@@ -1532,6 +1550,7 @@ private
       Require_Sources_Other_Lang => False,
       Allow_Duplicate_Basenames  => False,
       Compiler_Driver_Mandatory  => False,
-      Error_On_Unknown_Language  => False);
+      Error_On_Unknown_Language  => False,
+      Require_Obj_Dirs           => Error);
 
 end Prj;