re PR ada/83016 (gnat1: warning: command line option ‘-nostdinc++’ is valid for C++/ObjC++ but not for Ada)

	PR ada/83016
	* gnatlink.adb (Process_Args): Accept multiple switches for --LINK.
	(Usage): Adjust.
	* gcc-interface/Makefile.in (GCC_LINK): Remove $(ADA_INCLUDES).
	(common-tools): Pass $(CC) as --GCC= and $(GCC_LINK) as --LINK= in
	the invocations of $(GNATLINK).
	(../../gnatdll$(exeext)): Likewise.
	(../../vxaddr2line$(exeext)): Likewise.
	(gnatmake-re): Likewise.
	(gnatlink-re): Likewise.

From-SVN: r254940

1 files changed, 28 insertions, 8 deletions

diff --git a/gcc/ada/gnatlink.adb b/gcc/ada/gnatlink.adb
index 5e290eb..4b7f21d 100644
--- a/gcc/ada/gnatlink.adb
+++ b/gcc/ada/gnatlink.adb
@@ -529,15 +529,35 @@ procedure Gnatlink is
                      Exit_With_Error ("Missing argument for --LINK=");
                   end if;
 
-                  Linker_Path :=
-                    System.OS_Lib.Locate_Exec_On_Path (Arg (8 .. Arg'Last));
+                  declare
+                     L_Args : constant Argument_List_Access :=
+                               Argument_String_To_List (Arg (8 .. Arg'Last));
+                  begin
+                     --  The linker program is the first argument
+
+                     Linker_Path :=
+                      System.OS_Lib.Locate_Exec_On_Path (L_Args.all (1).all);
+
+                     if Linker_Path = null then
+                        Exit_With_Error
+                          ("Could not locate linker: " & L_Args.all (1).all);
+                     end if;
+
+                     --  The other arguments are passed as-is to the linker
+
+                     for J in 2 .. L_Args.all'Last loop
+                        Gcc_Linker_Options.Increment_Last;
+                        Gcc_Linker_Options.Table
+                          (Gcc_Linker_Options.Last) :=
+                                             new String'(L_Args.all (J).all);
+                     end loop;
+                  end;
 
-                  if Linker_Path = null then
-                     Exit_With_Error
-                       ("Could not locate linker: " & Arg (8 .. Arg'Last));
+               elsif Arg'Length >= 6 and then Arg (1 .. 6) = "--GCC=" then
+                  if Arg'Length = 6 then
+                     Exit_With_Error ("Missing argument for --GCC=");
                   end if;
 
-               elsif Arg'Length > 6 and then Arg (1 .. 6) = "--GCC=" then
                   declare
                      Program_Args : constant Argument_List_Access :=
                                       Argument_String_To_List
@@ -1413,8 +1433,8 @@ procedure Gnatlink is
          Write_Line ("  -M         Create map file mainprog.map");
       end if;
 
-      Write_Line ("  --GCC=comp Use comp as the compiler");
-      Write_Line ("  --LINK=nam Use 'nam' for the linking rather than 'gcc'");
+      Write_Line ("  --GCC=comp Use 'comp' as the compiler rather than 'gcc'");
+      Write_Line ("  --LINK=lnk Use 'lnk' as the linker rather than 'gcc'");
       Write_Eol;
       Write_Line ("  [non-Ada-objects]  list of non Ada object files");
       Write_Line ("  [linker-options]   other options for the linker");