1 ------------------------------------------------------------------------------
3 -- GNAT COMPILER COMPONENTS --
9 -- Copyright (C) 2001-2008, AdaCore --
11 -- GNAT is free software; you can redistribute it and/or modify it under --
12 -- terms of the GNU General Public License as published by the Free Soft- --
13 -- ware Foundation; either version 3, or (at your option) any later ver- --
14 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
15 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
16 -- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
17 -- for more details. You should have received a copy of the GNU General --
18 -- Public License distributed with GNAT; see file COPYING3. If not, go to --
19 -- http://www.gnu.org/licenses for a complete copy of the license. --
21 -- GNAT was originally developed by the GNAT team at New York University. --
22 -- Extensive contributions were provided by Ada Core Technologies Inc. --
24 ------------------------------------------------------------------------------
27 with Gnatvsn; use Gnatvsn;
28 with MLib.Fil; use MLib.Fil;
29 with MLib.Tgt; use MLib.Tgt;
30 with MLib.Utl; use MLib.Utl;
32 with Output; use Output;
33 with Prj.Com; use Prj.Com;
34 with Prj.Env; use Prj.Env;
35 with Prj.Util; use Prj.Util;
37 with Snames; use Snames;
38 with Switch; use Switch;
40 with Targparm; use Targparm;
42 with Types; use Types;
44 with Ada.Characters.Handling;
46 with GNAT.Directory_Operations; use GNAT.Directory_Operations;
48 with Interfaces.C_Streams; use Interfaces.C_Streams;
49 with System; use System;
50 with System.Case_Util; use System.Case_Util;
52 package body MLib.Prj is
54 Prj_Add_Obj_Files : Types.Int;
55 pragma Import (C, Prj_Add_Obj_Files, "__gnat_prj_add_obj_files");
56 Add_Object_Files : constant Boolean := Prj_Add_Obj_Files /= 0;
57 -- Indicates if object files in pragmas Linker_Options (found in the
58 -- binder generated file) should be taken when linking a stand-alone
59 -- library. False for Windows, True for other platforms.
61 ALI_Suffix : constant String := ".ali";
63 B_Start : String_Ptr := new String'("b~");
64 -- Prefix of bind file, changed to b__ for VMS
66 S_Osinte_Ads : File_Name_Type := No_File;
67 -- Name_Id for "s-osinte.ads"
69 S_Dec_Ads : File_Name_Type := No_File;
70 -- Name_Id for "dec.ads"
72 G_Trasym_Ads : File_Name_Type := No_File;
73 -- Name_Id for "g-trasym.ads"
75 Arguments : String_List_Access := No_Argument;
76 -- Used to accumulate arguments for the invocation of gnatbind and of
77 -- the compiler. Also used to collect the interface ALI when copying
78 -- the ALI files to the library directory.
80 Argument_Number : Natural := 0;
81 -- Index of the last argument in Arguments
83 Initial_Argument_Max : constant := 10;
85 No_Main_String : aliased String := "-n";
86 No_Main : constant String_Access := No_Main_String'Access;
88 Output_Switch_String : aliased String := "-o";
89 Output_Switch : constant String_Access := Output_Switch_String'Access;
91 Compile_Switch_String : aliased String := "-c";
92 Compile_Switch : constant String_Access := Compile_Switch_String'Access;
94 Auto_Initialize : constant String := "-a";
96 -- List of objects to put inside the library
98 Object_Files : Argument_List_Access;
100 package Objects is new Table.Table
101 (Table_Name => "Mlib.Prj.Objects",
102 Table_Component_Type => String_Access,
103 Table_Index_Type => Natural,
104 Table_Low_Bound => 1,
106 Table_Increment => 100);
108 package Objects_Htable is new GNAT.HTable.Simple_HTable
109 (Header_Num => Header_Num,
118 Ali_Files : Argument_List_Access;
120 package ALIs is new Table.Table
121 (Table_Name => "Mlib.Prj.Alis",
122 Table_Component_Type => String_Access,
123 Table_Index_Type => Natural,
124 Table_Low_Bound => 1,
126 Table_Increment => 100);
128 -- List of options set in the command line
130 Options : Argument_List_Access;
132 package Opts is new Table.Table
133 (Table_Name => "Mlib.Prj.Opts",
134 Table_Component_Type => String_Access,
135 Table_Index_Type => Natural,
136 Table_Low_Bound => 1,
138 Table_Increment => 100);
140 -- All the ALI file in the library
142 package Library_ALIs is new GNAT.HTable.Simple_HTable
143 (Header_Num => Header_Num,
146 Key => File_Name_Type,
150 -- The ALI files in the interface sets
152 package Interface_ALIs is new GNAT.HTable.Simple_HTable
153 (Header_Num => Header_Num,
156 Key => File_Name_Type,
160 -- The ALI files that have been processed to check if the corresponding
161 -- library unit is in the interface set.
163 package Processed_ALIs is new GNAT.HTable.Simple_HTable
164 (Header_Num => Header_Num,
167 Key => File_Name_Type,
171 -- The projects imported directly or indirectly
173 package Processed_Projects is new GNAT.HTable.Simple_HTable
174 (Header_Num => Header_Num,
181 -- The library projects imported directly or indirectly
183 package Library_Projs is new Table.Table (
184 Table_Component_Type => Project_Id,
185 Table_Index_Type => Integer,
186 Table_Low_Bound => 1,
188 Table_Increment => 10,
189 Table_Name => "Make.Library_Projs");
191 type Build_Mode_State is (None, Static, Dynamic, Relocatable);
193 procedure Add_Argument (S : String);
194 -- Add one argument to Arguments array, if array is full, double its size
196 function ALI_File_Name (Source : String) return String;
197 -- Return the ALI file name corresponding to a source
199 procedure Check (Filename : String);
200 -- Check if filename is a regular file. Fail if it is not
202 procedure Check_Context;
203 -- Check each object files in table Object_Files
204 -- Fail if any of them is not a regular file
206 procedure Copy_Interface_Sources
207 (For_Project : Project_Id;
208 In_Tree : Project_Tree_Ref;
209 Interfaces : Argument_List;
210 To_Dir : Path_Name_Type);
211 -- Copy the interface sources of a SAL to directory To_Dir
213 procedure Display (Executable : String);
214 -- Display invocation of gnatbind and of the compiler with the arguments
215 -- in Arguments, except when Quiet_Output is True.
217 function Index (S, Pattern : String) return Natural;
218 -- Return the last occurrence of Pattern in S, or 0 if none
220 procedure Process_Binder_File (Name : String);
221 -- For Stand-Alone libraries, get the Linker Options in the binder
224 procedure Reset_Tables;
225 -- Make sure that all the above tables are empty
226 -- (Objects, Ali_Files, Options).
228 function SALs_Use_Constructors return Boolean;
229 -- Indicate if Stand-Alone Libraries are automatically initialized using
230 -- the constructor mechanism.
232 function Ultimate_Extension_Of
233 (Project : Project_Id;
234 In_Tree : Project_Tree_Ref) return Project_Id;
235 -- Returns the Project_Id of project Project. Returns No_Project
236 -- if Project is No_Project.
242 procedure Add_Argument (S : String) is
244 if Argument_Number = Arguments'Last then
246 New_Args : constant String_List_Access :=
247 new String_List (1 .. 2 * Arguments'Last);
250 -- Copy the String_Accesses and set them to null in Arguments
251 -- so that they will not be deallocated by the call to
254 New_Args (Arguments'Range) := Arguments.all;
255 Arguments.all := (others => null);
257 Arguments := New_Args;
261 Argument_Number := Argument_Number + 1;
262 Arguments (Argument_Number) := new String'(S);
269 function ALI_File_Name (Source : String) return String is
271 -- If the source name has an extension, then replace it with
274 for Index in reverse Source'First + 1 .. Source'Last loop
275 if Source (Index) = '.' then
276 return Source (Source'First .. Index - 1) & ALI_Suffix;
280 -- If there is no dot, or if it is the first character, just add the
283 return Source & ALI_Suffix;
290 procedure Build_Library
291 (For_Project : Project_Id;
292 In_Tree : Project_Tree_Ref;
294 Gnatbind_Path : String_Access;
296 Gcc_Path : String_Access;
297 Bind : Boolean := True;
298 Link : Boolean := True)
300 Maximum_Size : Integer;
301 pragma Import (C, Maximum_Size, "__gnat_link_max");
302 -- Maximum number of bytes to put in an invocation of the
306 -- The number of bytes for the invocation of the gnatbind
308 Warning_For_Library : Boolean := False;
309 -- Set to True for the first warning about a unit missing from the
312 Data : Project_Data := In_Tree.Projects.Table (For_Project);
314 Libgnarl_Needed : Yes_No_Unknown := Data.Libgnarl_Needed;
315 -- Set to True if library needs to be linked with libgnarl
317 Libdecgnat_Needed : Boolean := False;
318 -- On OpenVMS, set to True if library needs to be linked with libdecgnat
320 Gtrasymobj_Needed : Boolean := False;
321 -- On OpenVMS, set to True if library needs to be linked with
324 Object_Directory_Path : constant String :=
326 (Data.Object_Directory.Display_Name);
328 Standalone : constant Boolean := Data.Standalone_Library;
330 Project_Name : constant String := Get_Name_String (Data.Name);
332 Current_Dir : constant String := Get_Current_Dir;
334 Lib_Filename : String_Access;
335 Lib_Dirpath : String_Access;
336 Lib_Version : String_Access := new String'("");
338 The_Build_Mode : Build_Mode_State := None;
340 Success : Boolean := False;
342 Library_Options : Variable_Value := Nil_Variable_Value;
344 Driver_Name : Name_Id := No_Name;
346 In_Main_Object_Directory : Boolean := True;
348 There_Are_Foreign_Sources : Boolean;
350 Rpath : String_Access := null;
351 -- Allocated only if Path Option is supported
353 Rpath_Last : Natural := 0;
354 -- Index of last valid character of Rpath
356 Initial_Rpath_Length : constant := 200;
357 -- Initial size of Rpath, when first allocated
359 Path_Option : String_Access := Linker_Library_Path_Option;
360 -- If null, Path Option is not supported.
361 -- Not a constant so that it can be deallocated.
363 First_ALI : File_Name_Type := No_File;
364 -- Store the ALI file name of a source of the library (the first found)
366 procedure Add_ALI_For (Source : File_Name_Type);
367 -- Add the name of the ALI file corresponding to Source to the
370 procedure Add_Rpath (Path : String);
371 -- Add a path name to Rpath
373 function Check_Project (P : Project_Id) return Boolean;
374 -- Returns True if P is For_Project or a project extended by For_Project
376 procedure Check_Libs (ALI_File : String; Main_Project : Boolean);
377 -- Set Libgnarl_Needed if the ALI_File indicates that there is a need
378 -- to link with -lgnarl (this is the case when there is a dependency
379 -- on s-osinte.ads). On OpenVMS, set Libdecgnat_Needed if the ALI file
380 -- indicates that there is a need to link with -ldecgnat (this is the
381 -- case when there is a dependency on dec.ads), and set
382 -- Gtrasymobj_Needed if there is a dependency on g-trasym.ads.
384 procedure Process (The_ALI : File_Name_Type);
385 -- Check if the closure of a library unit which is or should be in the
386 -- interface set is also in the interface set. Issue a warning for each
387 -- missing library unit.
389 procedure Process_Imported_Libraries;
390 -- Add the -L and -l switches for the imported Library Project Files,
391 -- and, if Path Option is supported, the library directory path names
398 procedure Add_ALI_For (Source : File_Name_Type) is
399 ALI : constant String := ALI_File_Name (Get_Name_String (Source));
400 ALI_Id : File_Name_Type;
408 Add_Str_To_Name_Buffer (S => ALI);
411 -- Add the ALI file name to the library ALIs
414 Library_ALIs.Set (ALI_Id, True);
417 -- Set First_ALI, if not already done
419 if First_ALI = No_File then
428 procedure Add_Rpath (Path : String) is
438 New_Rpath : constant String_Access :=
439 new String (1 .. 2 * Rpath'Length);
441 New_Rpath (1 .. Rpath_Last) := Rpath (1 .. Rpath_Last);
446 -- Start of processing for Add_Rpath
449 -- If first path, allocate initial Rpath
452 Rpath := new String (1 .. Initial_Rpath_Length);
456 -- Otherwise, add a path separator between two path names
458 if Rpath_Last = Rpath'Last then
462 Rpath_Last := Rpath_Last + 1;
463 Rpath (Rpath_Last) := Path_Separator;
466 -- Increase Rpath size until it is large enough
468 while Rpath_Last + Path'Length > Rpath'Last loop
474 Rpath (Rpath_Last + 1 .. Rpath_Last + Path'Length) := Path;
475 Rpath_Last := Rpath_Last + Path'Length;
482 function Check_Project (P : Project_Id) return Boolean is
484 if P = For_Project then
487 elsif P /= No_Project then
489 Data : Project_Data :=
490 In_Tree.Projects.Table (For_Project);
492 while Data.Extends /= No_Project loop
493 if P = Data.Extends then
497 Data := In_Tree.Projects.Table (Data.Extends);
509 procedure Check_Libs (ALI_File : String; Main_Project : Boolean) is
510 Lib_File : File_Name_Type;
511 Text : Text_Buffer_Ptr;
515 if Libgnarl_Needed /= Yes
518 and then OpenVMS_On_Target
519 and then ((not Libdecgnat_Needed) or (not Gtrasymobj_Needed)))
523 Name_Len := ALI_File'Length;
524 Name_Buffer (1 .. Name_Len) := ALI_File;
525 Lib_File := Name_Find;
526 Text := Read_Library_Info (Lib_File, True);
536 -- Look for s-osinte.ads in the dependencies
538 for Index in ALI.ALIs.Table (Id).First_Sdep ..
539 ALI.ALIs.Table (Id).Last_Sdep
541 if ALI.Sdep.Table (Index).Sfile = S_Osinte_Ads then
542 Libgnarl_Needed := Yes;
545 In_Tree.Projects.Table (For_Project).Libgnarl_Needed :=
551 elsif OpenVMS_On_Target then
552 if ALI.Sdep.Table (Index).Sfile = S_Dec_Ads then
553 Libdecgnat_Needed := True;
555 elsif ALI.Sdep.Table (Index).Sfile = G_Trasym_Ads then
556 Gtrasymobj_Needed := True;
567 procedure Process (The_ALI : File_Name_Type) is
568 Text : Text_Buffer_Ptr;
570 First_Unit : ALI.Unit_Id;
571 Last_Unit : ALI.Unit_Id;
572 Unit_Data : Unit_Record;
573 Afile : File_Name_Type;
576 -- Nothing to do if the ALI file has already been processed.
577 -- This happens if an interface imports another interface.
579 if not Processed_ALIs.Get (The_ALI) then
580 Processed_ALIs.Set (The_ALI, True);
581 Text := Read_Library_Info (The_ALI);
592 if Idread /= No_ALI_Id then
593 First_Unit := ALI.ALIs.Table (Idread).First_Unit;
594 Last_Unit := ALI.ALIs.Table (Idread).Last_Unit;
596 -- Process both unit (spec and body) if the body is needed
597 -- by the spec (inline or generic). Otherwise, just process
600 if First_Unit /= Last_Unit and then
601 not ALI.Units.Table (Last_Unit).Body_Needed_For_SAL
603 First_Unit := Last_Unit;
606 for Unit in First_Unit .. Last_Unit loop
607 Unit_Data := ALI.Units.Table (Unit);
609 -- Check if each withed unit which is in the library is
610 -- also in the interface set, if it has not yet been
613 for W in Unit_Data.First_With .. Unit_Data.Last_With loop
614 Afile := Withs.Table (W).Afile;
616 if Afile /= No_File and then Library_ALIs.Get (Afile)
617 and then not Processed_ALIs.Get (Afile)
619 if not Interface_ALIs.Get (Afile) then
620 if not Warning_For_Library then
621 Write_Str ("Warning: In library project """);
622 Get_Name_String (Data.Name);
623 To_Mixed (Name_Buffer (1 .. Name_Len));
624 Write_Str (Name_Buffer (1 .. Name_Len));
626 Warning_For_Library := True;
629 Write_Str (" Unit """);
630 Get_Name_String (Withs.Table (W).Uname);
631 To_Mixed (Name_Buffer (1 .. Name_Len - 2));
632 Write_Str (Name_Buffer (1 .. Name_Len - 2));
633 Write_Line (""" is not in the interface set");
634 Write_Str (" but it is needed by ");
636 case Unit_Data.Utype is
638 Write_Str ("the spec of ");
641 Write_Str ("the body of ");
648 Get_Name_String (Unit_Data.Uname);
649 To_Mixed (Name_Buffer (1 .. Name_Len - 2));
650 Write_Str (Name_Buffer (1 .. Name_Len - 2));
654 -- Now, process this unit
665 --------------------------------
666 -- Process_Imported_Libraries --
667 --------------------------------
669 procedure Process_Imported_Libraries is
670 Current : Project_Id;
672 procedure Process_Project (Project : Project_Id);
673 -- Process Project and its imported projects recursively.
674 -- Add any library projects to table Library_Projs.
676 ---------------------
677 -- Process_Project --
678 ---------------------
680 procedure Process_Project (Project : Project_Id) is
681 Data : Project_Data := In_Tree.Projects.Table (Project);
682 Imported : Project_List := Data.Imported_Projects;
683 Element : Project_Element;
686 -- Nothing to do if process has already been processed
688 if not Processed_Projects.Get (Data.Name) then
689 Processed_Projects.Set (Data.Name, True);
691 -- Call Process_Project recursively for any imported project.
692 -- We first process the imported projects to guarantee that
693 -- we have a proper reverse order for the libraries.
695 while Imported /= Empty_Project_List loop
697 In_Tree.Project_Lists.Table (Imported);
699 if Element.Project /= No_Project then
700 Process_Project (Element.Project);
703 Imported := Element.Next;
706 -- If it is a library project, add it to Library_Projs
708 if Project /= For_Project and then Data.Library then
709 Library_Projs.Increment_Last;
710 Library_Projs.Table (Library_Projs.Last) := Project;
712 -- Check if because of this library we need to use libgnarl
714 if Libgnarl_Needed = Unknown then
715 if Data.Libgnarl_Needed = Unknown
716 and then Data.Object_Directory /= No_Path_Information
718 -- Check if libgnarl is needed for this library
721 Object_Dir_Path : constant String :=
723 (Data.Object_Directory.
725 Object_Dir : Dir_Type;
726 Filename : String (1 .. 255);
730 Open (Object_Dir, Object_Dir_Path);
732 -- For all entries in the object directory
735 Read (Object_Dir, Filename, Last);
738 -- Check if it is an object file
740 if Is_Obj (Filename (1 .. Last)) then
742 Object_Path : constant String :=
745 Directory_Separator &
746 Filename (1 .. Last));
747 ALI_File : constant String :=
749 (Object_Path, "ali");
752 if Is_Regular_File (ALI_File) then
754 -- Find out if for this ALI file,
755 -- libgnarl is necessary.
758 (ALI_File, Main_Project => False);
760 if Libgnarl_Needed = Yes then
761 Data.Libgnarl_Needed := Yes;
762 In_Tree.Projects.Table
763 (For_Project).Libgnarl_Needed :=
776 if Data.Libgnarl_Needed = Yes then
777 Libgnarl_Needed := Yes;
778 In_Tree.Projects.Table (For_Project).Libgnarl_Needed :=
787 -- Start of processing for Process_Imported_Libraries
790 -- Build list of library projects imported directly or indirectly,
791 -- in the reverse order.
793 Process_Project (For_Project);
795 -- Add the -L and -l switches and, if the Rpath option is supported,
796 -- add the directory to the Rpath. As the library projects are in the
797 -- wrong order, process from the last to the first.
799 for Index in reverse 1 .. Library_Projs.Last loop
800 Current := Library_Projs.Table (Index);
803 (In_Tree.Projects.Table (Current).Library_Dir.Display_Name);
805 Opts.Table (Opts.Last) :=
806 new String'("-L" & Name_Buffer (1 .. Name_Len));
808 if Path_Option /= null then
809 Add_Rpath (Name_Buffer (1 .. Name_Len));
813 Opts.Table (Opts.Last) :=
817 (In_Tree.Projects.Table
818 (Current).Library_Name));
820 end Process_Imported_Libraries;
822 -- Start of processing for Build_Library
827 -- Fail if project is not a library project
829 if not Data.Library then
830 Com.Fail ("project """ & Project_Name & """ has no library");
833 -- Do not attempt to build the library if it is externally built
835 if Data.Externally_Built then
839 -- If this is the first time Build_Library is called, get the Name_Id
840 -- of "s-osinte.ads".
842 if S_Osinte_Ads = No_File then
844 Add_Str_To_Name_Buffer ("s-osinte.ads");
845 S_Osinte_Ads := Name_Find;
848 if S_Dec_Ads = No_File then
850 Add_Str_To_Name_Buffer ("dec.ads");
851 S_Dec_Ads := Name_Find;
854 if G_Trasym_Ads = No_File then
856 Add_Str_To_Name_Buffer ("g-trasym.ads");
857 G_Trasym_Ads := Name_Find;
860 -- We work in the object directory
862 Change_Dir (Object_Directory_Path);
866 -- Call gnatbind only if Bind is True
869 if Gnatbind_Path = null then
870 Com.Fail ("unable to locate " & Gnatbind);
873 if Gcc_Path = null then
874 Com.Fail ("unable to locate " & Gcc);
877 -- Allocate Arguments, if it is the first time we see a standalone
880 if Arguments = No_Argument then
881 Arguments := new String_List (1 .. Initial_Argument_Max);
884 -- Add "-n -o b~<lib>.adb (b__<lib>.adb on VMS) -L<lib>"
886 Argument_Number := 2;
887 Arguments (1) := No_Main;
888 Arguments (2) := Output_Switch;
890 if OpenVMS_On_Target then
891 B_Start := new String'("b__");
895 (B_Start.all & Get_Name_String (Data.Library_Name) & ".adb");
896 Add_Argument ("-L" & Get_Name_String (Data.Library_Name));
898 if Data.Lib_Auto_Init and then SALs_Use_Constructors then
899 Add_Argument (Auto_Initialize);
902 -- Check if Binder'Default_Switches ("Ada") is defined. If it is,
903 -- add these switches to call gnatbind.
906 Binder_Package : constant Package_Id :=
908 (Name => Name_Binder,
909 In_Packages => Data.Decl.Packages,
913 if Binder_Package /= No_Package then
915 Defaults : constant Array_Element_Id :=
917 (Name => Name_Default_Switches,
919 In_Tree.Packages.Table
920 (Binder_Package).Decl.Arrays,
922 Switches : Variable_Value := Nil_Variable_Value;
924 Switch : String_List_Id := Nil_String;
927 if Defaults /= No_Array_Element then
932 In_Array => Defaults,
935 if not Switches.Default then
936 Switch := Switches.Values;
938 while Switch /= Nil_String loop
941 (In_Tree.String_Elements.Table
943 Switch := In_Tree.String_Elements.
953 -- Get all the ALI files of the project file. We do that even if
954 -- Bind is False, so that First_ALI is set.
961 Interface_ALIs.Reset;
962 Processed_ALIs.Reset;
964 for Source in Unit_Table.First ..
965 Unit_Table.Last (In_Tree.Units)
967 Unit := In_Tree.Units.Table (Source);
969 if Unit.File_Names (Body_Part).Name /= No_File
970 and then Unit.File_Names (Body_Part).Path.Name /= Slash
973 Check_Project (Unit.File_Names (Body_Part).Project)
975 if Unit.File_Names (Specification).Name = No_File then
977 Src_Ind : Source_File_Index;
980 Src_Ind := Sinput.P.Load_Project_File
983 (Body_Part).Path.Name));
985 -- Add the ALI file only if it is not a subunit
988 Sinput.P.Source_File_Is_Subunit (Src_Ind)
991 (Unit.File_Names (Body_Part).Name);
997 Add_ALI_For (Unit.File_Names (Body_Part).Name);
1002 elsif Unit.File_Names (Specification).Name /= No_File
1003 and then Unit.File_Names (Specification).Path.Name /= Slash
1004 and then Check_Project
1005 (Unit.File_Names (Specification).Project)
1007 Add_ALI_For (Unit.File_Names (Specification).Name);
1013 -- Continue setup and call gnatbind if Bind is True
1017 -- Get an eventual --RTS from the ALI file
1019 if First_ALI /= No_File then
1021 T : Text_Buffer_Ptr;
1025 -- Load the ALI file
1027 T := Read_Library_Info (First_ALI, True);
1032 (First_ALI, T, Ignore_ED => False, Err => False);
1034 if A /= No_ALI_Id then
1037 (ALI.ALIs.Table (A).First_Unit).First_Arg ..
1039 (ALI.ALIs.Table (A).First_Unit).Last_Arg
1041 -- Look for --RTS. If found, add the switch to call
1045 Arg : String_Ptr renames Args.Table (Index);
1047 if Arg'Length >= 6 and then
1048 Arg (Arg'First + 2 .. Arg'First + 5) = "RTS="
1050 Add_Argument (Arg.all);
1062 (Project => For_Project,
1064 Including_Libraries => True);
1066 -- Display the gnatbind command, if not in quiet output
1071 for J in 1 .. Argument_Number loop
1072 Size := Size + Arguments (J)'Length + 1;
1075 -- Invoke gnatbind with the arguments if the size is not too large
1077 if Size <= Maximum_Size then
1080 Arguments (1 .. Argument_Number),
1084 -- Otherwise create a temporary response file
1087 FD : File_Descriptor;
1088 Path : Path_Name_Type;
1089 Args : Argument_List (1 .. 1);
1090 EOL : constant String (1 .. 1) := (1 => ASCII.LF);
1093 Quotes_Needed : Boolean;
1094 Last_Char : Natural;
1098 Tempdir.Create_Temp_File (FD, Path);
1099 Args (1) := new String'("@" & Get_Name_String (Path));
1101 for J in 1 .. Argument_Number loop
1103 -- Check if the argument should be quoted
1105 Quotes_Needed := False;
1106 Last_Char := Arguments (J)'Length;
1108 for K in Arguments (J)'Range loop
1109 Ch := Arguments (J) (K);
1111 if Ch = ' ' or else Ch = ASCII.HT or else Ch = '"' then
1112 Quotes_Needed := True;
1117 if Quotes_Needed then
1119 -- Quote the argument, doubling '"'
1122 Arg : String (1 .. Arguments (J)'Length * 2 + 2);
1128 for K in Arguments (J)'Range loop
1129 Ch := Arguments (J) (K);
1130 Last_Char := Last_Char + 1;
1131 Arg (Last_Char) := Ch;
1134 Last_Char := Last_Char + 1;
1135 Arg (Last_Char) := '"';
1139 Last_Char := Last_Char + 1;
1140 Arg (Last_Char) := '"';
1142 Status := Write (FD, Arg'Address, Last_Char);
1148 Arguments (J) (Arguments (J)'First)'Address,
1152 if Status /= Last_Char then
1156 Status := Write (FD, EOL (1)'Address, 1);
1165 -- And invoke gnatbind with this response file
1167 Spawn (Gnatbind_Path.all, Args, Success);
1169 Delete_File (Get_Name_String (Path), Succ);
1178 Com.Fail ("could not bind standalone library "
1179 & Get_Name_String (Data.Library_Name));
1183 -- Compile the binder generated file only if Link is true
1190 (Project => For_Project,
1192 Including_Libraries => True);
1194 -- Invoke <gcc> -c b__<lib>.adb
1196 -- Allocate Arguments, if it is the first time we see a standalone
1199 if Arguments = No_Argument then
1200 Arguments := new String_List (1 .. Initial_Argument_Max);
1203 Argument_Number := 1;
1204 Arguments (1) := Compile_Switch;
1206 if OpenVMS_On_Target then
1207 B_Start := new String'("b__");
1211 (B_Start.all & Get_Name_String (Data.Library_Name) & ".adb");
1213 -- If necessary, add the PIC option
1215 if PIC_Option /= "" then
1216 Add_Argument (PIC_Option);
1219 -- Get the back-end switches and --RTS from the ALI file
1221 if First_ALI /= No_File then
1223 T : Text_Buffer_Ptr;
1227 -- Load the ALI file
1229 T := Read_Library_Info (First_ALI, True);
1234 Scan_ALI (First_ALI, T, Ignore_ED => False, Err => False);
1236 if A /= No_ALI_Id then
1239 (ALI.ALIs.Table (A).First_Unit).First_Arg ..
1241 (ALI.ALIs.Table (A).First_Unit).Last_Arg
1243 -- Do not compile with the front end switches except
1247 Arg : String_Ptr renames Args.Table (Index);
1249 if not Is_Front_End_Switch (Arg.all)
1251 Arg (Arg'First + 2 .. Arg'First + 5) = "RTS="
1253 Add_Argument (Arg.all);
1261 -- Now that all the arguments are set, compile the binder
1266 (Gcc_Path.all, Arguments (1 .. Argument_Number), Success);
1270 ("could not compile binder generated file for library "
1271 & Get_Name_String (Data.Library_Name));
1274 -- Process binder generated file for pragmas Linker_Options
1276 Process_Binder_File (Arguments (2).all & ASCII.NUL);
1280 -- Build the library only if Link is True
1284 -- If attributes Library_GCC or Linker'Driver were specified, get the
1287 if Data.Config.Shared_Lib_Driver /= No_File then
1288 Driver_Name := Name_Id (Data.Config.Shared_Lib_Driver);
1291 -- If attribute Library_Options was specified, add these additional
1295 Value_Of (Name_Library_Options, Data.Decl.Attributes, In_Tree);
1297 if not Library_Options.Default then
1299 Current : String_List_Id;
1300 Element : String_Element;
1303 Current := Library_Options.Values;
1304 while Current /= Nil_String loop
1305 Element := In_Tree.String_Elements.Table (Current);
1306 Get_Name_String (Element.Value);
1308 if Name_Len /= 0 then
1309 Opts.Increment_Last;
1310 Opts.Table (Opts.Last) :=
1311 new String'(Name_Buffer (1 .. Name_Len));
1314 Current := Element.Next;
1320 new String'(Get_Name_String (Data.Library_Dir.Display_Name));
1321 Lib_Filename := new String'(Get_Name_String (Data.Library_Name));
1323 case Data.Library_Kind is
1325 The_Build_Mode := Static;
1328 The_Build_Mode := Dynamic;
1331 The_Build_Mode := Relocatable;
1333 if PIC_Option /= "" then
1334 Opts.Increment_Last;
1335 Opts.Table (Opts.Last) := new String'(PIC_Option);
1339 -- Get the library version, if any
1341 if Data.Lib_Internal_Name /= No_Name then
1343 new String'(Get_Name_String (Data.Lib_Internal_Name));
1346 -- Add the objects found in the object directory and the object
1347 -- directories of the extended files, if any, except for generated
1348 -- object files (b~.. or B__..) from extended projects.
1349 -- When there are one or more extended files, only add an object file
1350 -- if no object file with the same name have already been added.
1352 In_Main_Object_Directory := True;
1354 There_Are_Foreign_Sources := Data.Other_Sources_Present;
1357 if Data.Object_Directory /= No_Path_Information then
1359 Object_Dir_Path : constant String :=
1361 (Data.Object_Directory.Display_Name);
1362 Object_Dir : Dir_Type;
1363 Filename : String (1 .. 255);
1368 Open (Dir => Object_Dir, Dir_Name => Object_Dir_Path);
1370 -- For all entries in the object directory
1373 Read (Object_Dir, Filename, Last);
1377 -- Check if it is an object file
1379 if Is_Obj (Filename (1 .. Last)) then
1381 Object_Path : constant String :=
1384 Directory_Separator &
1385 Filename (1 .. Last));
1386 C_Object_Path : String := Object_Path;
1387 C_Filename : String := Filename (1 .. Last);
1390 Canonical_Case_File_Name (C_Object_Path);
1391 Canonical_Case_File_Name (C_Filename);
1393 -- If in the object directory of an extended
1394 -- project, do not consider generated object files.
1396 if In_Main_Object_Directory
1399 C_Filename (1 .. B_Start'Length) /= B_Start.all
1402 Name_Buffer (1 .. Name_Len) :=
1403 C_Filename (1 .. Last);
1406 if not Objects_Htable.Get (Id) then
1408 ALI_File : constant String :=
1411 (1 .. Last), "ali");
1412 ALI_Path : constant String :=
1413 Ext_To (C_Object_Path, "ali");
1415 There_Are_Foreign_Sources
1420 (1 .. B_Start'Length) =
1422 Fname : File_Name_Type;
1426 if Is_Regular_File (ALI_Path) then
1428 -- If there is an ALI file, check if
1429 -- the object file should be added to
1430 -- the library. If there are foreign
1431 -- sources we put all object files in
1436 1 .. Unit_Table.Last
1439 if In_Tree.Units.Table
1441 (Body_Part).Name /= No_File
1444 In_Tree.Units.Table (Index).
1446 (Body_Part).Project;
1448 In_Tree.Units.Table (Index).
1449 File_Names (Body_Part).Name;
1454 (Specification).Name /=
1460 (Specification).Project;
1464 (Specification).Name;
1470 Add_It := Proj /= No_Project;
1472 -- If the source is in the
1473 -- project or a project it
1474 -- extends, we may put it in
1478 Add_It := Check_Project (Proj);
1481 -- But we don't, if the ALI file
1482 -- does not correspond to the
1487 F : constant String :=
1492 Add_It := F = ALI_File;
1501 Objects_Htable.Set (Id, True);
1503 (new String'(Object_Path));
1505 -- Record the ALI file
1507 ALIs.Append (new String'(ALI_Path));
1509 -- Find out if for this ALI file,
1510 -- libgnarl or libdecgnat or
1511 -- g-trasym.obj (on OpenVMS) is
1514 Check_Libs (ALI_Path, True);
1517 elsif There_Are_Foreign_Sources then
1519 (new String'(Object_Path));
1528 Close (Dir => Object_Dir);
1531 when Directory_Error =>
1532 Com.Fail ("cannot find object directory """
1534 (Data.Object_Directory.Display_Name)
1539 exit when Data.Extends = No_Project;
1541 In_Main_Object_Directory := False;
1542 Data := In_Tree.Projects.Table (Data.Extends);
1545 -- Add the -L and -l switches for the imported Library Project Files,
1546 -- and, if Path Option is supported, the library directory path names
1549 Process_Imported_Libraries;
1551 -- Link with libgnat and possibly libgnarl
1553 Opts.Increment_Last;
1554 Opts.Table (Opts.Last) := new String'("-L" & Lib_Directory);
1556 -- If Path Option is supported, add libgnat directory path name to
1559 if Path_Option /= null then
1561 Libdir : constant String := Lib_Directory;
1562 GCC_Index : Natural := 0;
1567 -- For shared libraries, add to the Path Option the directory
1568 -- of the shared version of libgcc.
1570 if The_Build_Mode /= Static then
1571 GCC_Index := Index (Libdir, "/lib/");
1573 if GCC_Index = 0 then
1577 Directory_Separator & "lib" & Directory_Separator);
1580 if GCC_Index /= 0 then
1581 Add_Rpath (Libdir (Libdir'First .. GCC_Index + 3));
1587 if Libgnarl_Needed = Yes then
1588 Opts.Increment_Last;
1590 if The_Build_Mode = Static then
1591 Opts.Table (Opts.Last) := new String'("-lgnarl");
1593 Opts.Table (Opts.Last) := new String'(Shared_Lib ("gnarl"));
1597 if Gtrasymobj_Needed then
1598 Opts.Increment_Last;
1599 Opts.Table (Opts.Last) :=
1600 new String'(Lib_Directory & "/g-trasym.obj");
1603 if Libdecgnat_Needed then
1604 Opts.Increment_Last;
1606 Opts.Table (Opts.Last) :=
1607 new String'("-L" & Lib_Directory & "/../declib");
1609 Opts.Increment_Last;
1611 if The_Build_Mode = Static then
1612 Opts.Table (Opts.Last) := new String'("-ldecgnat");
1614 Opts.Table (Opts.Last) := new String'(Shared_Lib ("decgnat"));
1618 Opts.Increment_Last;
1620 if The_Build_Mode = Static then
1621 Opts.Table (Opts.Last) := new String'("-lgnat");
1623 Opts.Table (Opts.Last) := new String'(Shared_Lib ("gnat"));
1626 -- If Path Option is supported, add the necessary switch with the
1627 -- content of Rpath. As Rpath contains at least libgnat directory
1628 -- path name, it is guaranteed that it is not null.
1630 if Path_Option /= null then
1631 Opts.Increment_Last;
1632 Opts.Table (Opts.Last) :=
1633 new String'(Path_Option.all & Rpath (1 .. Rpath_Last));
1640 (Argument_List (Objects.Table (1 .. Objects.Last)));
1643 new Argument_List'(Argument_List (ALIs.Table (1 .. ALIs.Last)));
1646 new Argument_List'(Argument_List (Opts.Table (1 .. Opts.Last)));
1648 -- We fail if there are no object to put in the library
1649 -- (Ada or foreign objects).
1651 if Object_Files'Length = 0 then
1652 Com.Fail ("no object files for library """ &
1653 Lib_Filename.all & '"');
1656 if not Opt.Quiet_Output then
1658 Write_Str ("building ");
1659 Write_Str (Ada.Characters.Handling.To_Lower
1660 (Build_Mode_State'Image (The_Build_Mode)));
1661 Write_Str (" library for project ");
1662 Write_Line (Project_Name);
1664 -- Only output list of object files and ALI files in verbose mode
1666 if Opt.Verbose_Mode then
1669 Write_Line ("object files:");
1671 for Index in Object_Files'Range loop
1673 Write_Line (Object_Files (Index).all);
1678 if Ali_Files'Length = 0 then
1679 Write_Line ("NO ALI files");
1682 Write_Line ("ALI files:");
1684 for Index in Ali_Files'Range loop
1686 Write_Line (Ali_Files (Index).all);
1694 -- We check that all object files are regular files
1698 -- Delete the existing library file, if it exists. Fail if the
1699 -- library file is not writable, or if it is not possible to delete
1703 DLL_Name : aliased String :=
1704 Lib_Dirpath.all & Directory_Separator & DLL_Prefix &
1705 Lib_Filename.all & "." & DLL_Ext;
1707 Archive_Name : aliased String :=
1708 Lib_Dirpath.all & Directory_Separator & "lib" &
1709 Lib_Filename.all & "." & Archive_Ext;
1711 type Str_Ptr is access all String;
1712 -- This type is necessary to meet the accessibility rules of Ada.
1713 -- It is not possible to use String_Access here.
1715 Full_Lib_Name : Str_Ptr;
1716 -- Designates the full library path name. Either DLL_Name or
1717 -- Archive_Name, depending on the library kind.
1720 pragma Warnings (Off, Success);
1721 -- Used to call Delete_File
1724 if The_Build_Mode = Static then
1725 Full_Lib_Name := Archive_Name'Access;
1727 Full_Lib_Name := DLL_Name'Access;
1730 if Is_Regular_File (Full_Lib_Name.all) then
1731 if Is_Writable_File (Full_Lib_Name.all) then
1732 Delete_File (Full_Lib_Name.all, Success);
1735 if Is_Regular_File (Full_Lib_Name.all) then
1736 Com.Fail ("could not delete """ & Full_Lib_Name.all & """");
1741 Argument_Number := 0;
1743 -- If we have a standalone library, gather all the interface ALI.
1744 -- They are passed to Build_Dynamic_Library, where they are used by
1745 -- some platforms (VMS, for example) to decide what symbols should be
1746 -- exported. They are also flagged as Interface when we copy them to
1747 -- the library directory (by Copy_ALI_Files, below).
1750 Data := In_Tree.Projects.Table (For_Project);
1753 Iface : String_List_Id := Data.Lib_Interface_ALIs;
1754 ALI : File_Name_Type;
1757 while Iface /= Nil_String loop
1760 (In_Tree.String_Elements.Table (Iface).Value);
1761 Interface_ALIs.Set (ALI, True);
1763 (In_Tree.String_Elements.Table (Iface).Value);
1764 Add_Argument (Name_Buffer (1 .. Name_Len));
1765 Iface := In_Tree.String_Elements.Table (Iface).Next;
1768 Iface := Data.Lib_Interface_ALIs;
1770 if not Opt.Quiet_Output then
1772 -- Check that the interface set is complete: any unit in the
1773 -- library that is needed by an interface should also be an
1774 -- interface. If it is not the case, output a warning.
1776 while Iface /= Nil_String loop
1779 (In_Tree.String_Elements.Table (Iface).Value);
1781 Iface := In_Tree.String_Elements.Table (Iface).Next;
1788 Current_Dir : constant String := Get_Current_Dir;
1791 Name : String (1 .. 200);
1794 Disregard : Boolean;
1795 pragma Warnings (Off, Disregard);
1797 DLL_Name : aliased constant String :=
1798 Lib_Filename.all & "." & DLL_Ext;
1800 Archive_Name : aliased constant String :=
1801 Lib_Filename.all & "." & Archive_Ext;
1803 Delete : Boolean := False;
1806 -- Clean the library directory: remove any file with the name of
1807 -- the library file and any ALI file of a source of the project.
1811 (In_Tree.Projects.Table (For_Project).Library_Dir.Name);
1812 Change_Dir (Name_Buffer (1 .. Name_Len));
1817 ("unable to access library directory """
1818 & Name_Buffer (1 .. Name_Len)
1825 Read (Dir, Name, Last);
1829 Filename : constant String := Name (1 .. Last);
1832 if Is_Regular_File (Filename) then
1833 Canonical_Case_File_Name (Name (1 .. Last));
1836 if (The_Build_Mode = Static and then
1837 Name (1 .. Last) = Archive_Name)
1839 ((The_Build_Mode = Dynamic or else
1840 The_Build_Mode = Relocatable)
1842 Name (1 .. Last) = DLL_Name)
1847 and then Name (Last - 3 .. Last) = ".ali"
1853 -- Compare with ALI file names of the project
1856 1 .. Unit_Table.Last (In_Tree.Units)
1858 Unit := In_Tree.Units.Table (Index);
1860 if Unit.File_Names (Body_Part).Project /=
1863 if Ultimate_Extension_Of
1864 (Unit.File_Names (Body_Part).Project,
1865 In_Tree) = For_Project
1868 (Unit.File_Names (Body_Part).Name);
1869 Name_Len := Name_Len -
1871 (Name (1 .. Name_Len))'Length;
1872 if Name_Buffer (1 .. Name_Len) =
1873 Name (1 .. Last - 4)
1880 elsif Ultimate_Extension_Of
1881 (Unit.File_Names (Specification).Project,
1882 In_Tree) = For_Project
1885 (Unit.File_Names (Specification).Name);
1889 (Name (1 .. Name_Len))'Length;
1891 if Name_Buffer (1 .. Name_Len) =
1892 Name (1 .. Last - 4)
1903 Set_Writable (Filename);
1904 Delete_File (Filename, Disregard);
1912 Change_Dir (Current_Dir);
1915 -- Call procedure to build the library, depending on the build mode
1917 case The_Build_Mode is
1918 when Dynamic | Relocatable =>
1919 Build_Dynamic_Library
1920 (Ofiles => Object_Files.all,
1921 Options => Options.all,
1922 Interfaces => Arguments (1 .. Argument_Number),
1923 Lib_Filename => Lib_Filename.all,
1924 Lib_Dir => Lib_Dirpath.all,
1925 Symbol_Data => Data.Symbol_Data,
1926 Driver_Name => Driver_Name,
1927 Lib_Version => Lib_Version.all,
1928 Auto_Init => Data.Lib_Auto_Init);
1940 -- We need to copy the ALI files from the object directory to the
1941 -- library ALI directory, so that the linker find them there, and
1942 -- does not need to look in the object directory where it would also
1943 -- find the object files; and we don't want that: we want the linker
1944 -- to use the library.
1946 -- Copy the ALI files and make the copies read-only. For interfaces,
1947 -- mark the copies as interfaces.
1950 (Files => Ali_Files.all,
1951 To => In_Tree.Projects.Table
1952 (For_Project).Library_ALI_Dir.Name,
1953 Interfaces => Arguments (1 .. Argument_Number));
1955 -- Copy interface sources if Library_Src_Dir specified
1958 and then In_Tree.Projects.Table
1959 (For_Project).Library_Src_Dir /= No_Path_Information
1961 -- Clean the interface copy directory: remove any source that
1962 -- could be a source of the project.
1966 (In_Tree.Projects.Table (For_Project).Library_Src_Dir.Name);
1967 Change_Dir (Name_Buffer (1 .. Name_Len));
1972 ("unable to access library source copy directory """
1973 & Name_Buffer (1 .. Name_Len)
1979 Delete : Boolean := False;
1982 Name : String (1 .. 200);
1985 Disregard : Boolean;
1986 pragma Warnings (Off, Disregard);
1992 Read (Dir, Name, Last);
1995 if Is_Regular_File (Name (1 .. Last)) then
1996 Canonical_Case_File_Name (Name (1 .. Last));
1999 -- Compare with source file names of the project
2001 for Index in 1 .. Unit_Table.Last (In_Tree.Units) loop
2002 Unit := In_Tree.Units.Table (Index);
2004 if Ultimate_Extension_Of
2005 (Unit.File_Names (Body_Part).Project, In_Tree) =
2009 (Unit.File_Names (Body_Part).Name) =
2016 if Ultimate_Extension_Of
2017 (Unit.File_Names (Specification).Project, In_Tree) =
2021 (Unit.File_Names (Specification).Name) =
2031 Set_Writable (Name (1 .. Last));
2032 Delete_File (Name (1 .. Last), Disregard);
2039 Copy_Interface_Sources
2040 (For_Project => For_Project,
2042 Interfaces => Arguments (1 .. Argument_Number),
2043 To_Dir => In_Tree.Projects.Table
2044 (For_Project).Library_Src_Dir.Display_Name);
2048 -- Reset the current working directory to its previous value
2050 Change_Dir (Current_Dir);
2057 procedure Check (Filename : String) is
2059 if not Is_Regular_File (Filename) then
2060 Com.Fail (Filename & " not found.");
2068 procedure Check_Context is
2070 -- Check that each object file exists
2072 for F in Object_Files'Range loop
2073 Check (Object_Files (F).all);
2081 procedure Check_Library
2082 (For_Project : Project_Id; In_Tree : Project_Tree_Ref)
2084 Data : constant Project_Data :=
2085 In_Tree.Projects.Table (For_Project);
2086 Lib_TS : Time_Stamp_Type;
2087 Current : constant Dir_Name_Str := Get_Current_Dir;
2090 -- No need to build the library if there is no object directory,
2091 -- hence no object files to build the library.
2093 if Data.Library then
2095 Lib_Name : constant File_Name_Type :=
2096 Library_File_Name_For (For_Project, In_Tree);
2098 Change_Dir (Get_Name_String (Data.Library_Dir.Name));
2099 Lib_TS := File_Stamp (Lib_Name);
2100 In_Tree.Projects.Table (For_Project).Library_TS := Lib_TS;
2103 if not Data.Externally_Built
2104 and then not Data.Need_To_Build_Lib
2105 and then Data.Object_Directory /= No_Path_Information
2108 Obj_TS : Time_Stamp_Type;
2109 Object_Dir : Dir_Type;
2112 if OpenVMS_On_Target then
2113 B_Start := new String'("b__");
2116 -- If the library file does not exist, then the time stamp will
2117 -- be Empty_Time_Stamp, earlier than any other time stamp.
2119 Change_Dir (Get_Name_String (Data.Object_Directory.Name));
2120 Open (Dir => Object_Dir, Dir_Name => ".");
2122 -- For all entries in the object directory
2125 Read (Object_Dir, Name_Buffer, Name_Len);
2126 exit when Name_Len = 0;
2128 -- Check if it is an object file, but ignore any binder
2131 if Is_Obj (Name_Buffer (1 .. Name_Len))
2132 and then Name_Buffer (1 .. B_Start'Length) /= B_Start.all
2134 -- Get the object file time stamp
2136 Obj_TS := File_Stamp (File_Name_Type'(Name_Find));
2138 -- If library file time stamp is earlier, set
2139 -- Need_To_Build_Lib and return. String comparison is
2140 -- used, otherwise time stamps may be too close and the
2141 -- comparison would return True, which would trigger
2142 -- an unnecessary rebuild of the library.
2144 if String (Lib_TS) < String (Obj_TS) then
2146 -- Library must be rebuilt
2148 In_Tree.Projects.Table
2149 (For_Project).Need_To_Build_Lib := True;
2159 Change_Dir (Current);
2163 ----------------------------
2164 -- Copy_Interface_Sources --
2165 ----------------------------
2167 procedure Copy_Interface_Sources
2168 (For_Project : Project_Id;
2169 In_Tree : Project_Tree_Ref;
2170 Interfaces : Argument_List;
2171 To_Dir : Path_Name_Type)
2173 Current : constant Dir_Name_Str := Get_Current_Dir;
2174 -- The current directory, where to return to at the end
2176 Target : constant Dir_Name_Str := Get_Name_String (To_Dir);
2177 -- The directory where to copy sources
2179 Text : Text_Buffer_Ptr;
2180 The_ALI : ALI.ALI_Id;
2181 Lib_File : File_Name_Type;
2183 First_Unit : ALI.Unit_Id;
2184 Second_Unit : ALI.Unit_Id;
2188 Copy_Subunits : Boolean := False;
2189 -- When True, indicates that subunits, if any, need to be copied too
2191 procedure Copy (File_Name : File_Name_Type);
2192 -- Copy one source of the project to the target directory
2194 function Is_Same_Or_Extension
2195 (Extending : Project_Id;
2196 Extended : Project_Id) return Boolean;
2197 -- Return True if project Extending is equal to or extends project
2204 procedure Copy (File_Name : File_Name_Type) is
2206 pragma Warnings (Off, Success);
2210 for Index in Unit_Table.First ..
2211 Unit_Table.Last (In_Tree.Units)
2213 Data := In_Tree.Units.Table (Index);
2215 -- Find and copy the immediate or inherited source
2217 for J in Data.File_Names'Range loop
2218 if Is_Same_Or_Extension
2219 (For_Project, Data.File_Names (J).Project)
2220 and then Data.File_Names (J).Name = File_Name
2223 (Get_Name_String (Data.File_Names (J).Path.Name),
2227 Preserve => Preserve);
2234 --------------------------
2235 -- Is_Same_Or_Extension --
2236 --------------------------
2238 function Is_Same_Or_Extension
2239 (Extending : Project_Id;
2240 Extended : Project_Id) return Boolean
2246 while Ext /= No_Project loop
2247 if Ext = Extended then
2251 Ext := In_Tree.Projects.Table (Ext).Extends;
2255 end Is_Same_Or_Extension;
2257 -- Start of processing for Copy_Interface_Sources
2260 -- Change the working directory to the object directory
2264 (In_Tree.Projects.Table (For_Project).Object_Directory.Name));
2266 for Index in Interfaces'Range loop
2268 -- First, load the ALI file
2271 Add_Str_To_Name_Buffer (Interfaces (Index).all);
2272 Lib_File := Name_Find;
2273 Text := Read_Library_Info (Lib_File);
2274 The_ALI := Scan_ALI (Lib_File, Text, Ignore_ED => False, Err => True);
2277 Second_Unit := No_Unit_Id;
2278 First_Unit := ALI.ALIs.Table (The_ALI).First_Unit;
2279 Copy_Subunits := True;
2281 -- If there is both a spec and a body, check if they are both needed
2283 if ALI.Units.Table (First_Unit).Utype = Is_Body then
2284 Second_Unit := ALI.ALIs.Table (The_ALI).Last_Unit;
2286 -- If the body is not needed, then reset First_Unit
2288 if not ALI.Units.Table (Second_Unit).Body_Needed_For_SAL then
2289 First_Unit := No_Unit_Id;
2290 Copy_Subunits := False;
2293 elsif ALI.Units.Table (First_Unit).Utype = Is_Spec_Only then
2294 Copy_Subunits := False;
2297 -- Copy the file(s) that need to be copied
2299 if First_Unit /= No_Unit_Id then
2300 Copy (File_Name => ALI.Units.Table (First_Unit).Sfile);
2303 if Second_Unit /= No_Unit_Id then
2304 Copy (File_Name => ALI.Units.Table (Second_Unit).Sfile);
2307 -- Copy all the separates, if any
2309 if Copy_Subunits then
2310 for Dep in ALI.ALIs.Table (The_ALI).First_Sdep ..
2311 ALI.ALIs.Table (The_ALI).Last_Sdep
2313 if Sdep.Table (Dep).Subunit_Name /= No_Name then
2314 Copy (File_Name => Sdep.Table (Dep).Sfile);
2320 -- Restore the initial working directory
2322 Change_Dir (Current);
2323 end Copy_Interface_Sources;
2329 procedure Display (Executable : String) is
2331 if not Opt.Quiet_Output then
2332 Write_Str (Executable);
2334 for Index in 1 .. Argument_Number loop
2336 Write_Str (Arguments (Index).all);
2347 function Index (S, Pattern : String) return Natural is
2348 Len : constant Natural := Pattern'Length;
2351 for J in reverse S'First .. S'Last - Len + 1 loop
2352 if Pattern = S (J .. J + Len - 1) then
2360 -------------------------
2361 -- Process_Binder_File --
2362 -------------------------
2364 procedure Process_Binder_File (Name : String) is
2366 -- Binder file's descriptor
2368 Read_Mode : constant String := "r" & ASCII.NUL;
2371 Status : Interfaces.C_Streams.int;
2372 pragma Unreferenced (Status);
2375 Begin_Info : constant String := "-- BEGIN Object file/option list";
2376 End_Info : constant String := "-- END Object file/option list ";
2378 Next_Line : String (1 .. 1000);
2379 -- Current line value
2380 -- Where does this odd constant 1000 come from, looks suspicious ???
2383 -- End of line slice (the slice does not contain the line terminator)
2385 procedure Get_Next_Line;
2386 -- Read the next line from the binder file without the line terminator
2392 procedure Get_Next_Line is
2396 Fchars := fgets (Next_Line'Address, Next_Line'Length, Fd);
2398 if Fchars = System.Null_Address then
2399 Fail ("Error reading binder output");
2403 while Nlast <= Next_Line'Last
2404 and then Next_Line (Nlast) /= ASCII.LF
2405 and then Next_Line (Nlast) /= ASCII.CR
2413 -- Start of processing for Process_Binder_File
2416 Fd := fopen (Name'Address, Read_Mode'Address);
2418 if Fd = NULL_Stream then
2419 Fail ("Failed to open binder output");
2422 -- Skip up to the Begin Info line
2426 exit when Next_Line (1 .. Nlast) = Begin_Info;
2429 -- Find the first switch
2434 exit when Next_Line (1 .. Nlast) = End_Info;
2436 -- As the binder generated file is in Ada, remove the first eight
2437 -- characters " -- ".
2439 Next_Line (1 .. Nlast - 8) := Next_Line (9 .. Nlast);
2442 -- Stop when the first switch is found
2444 exit when Next_Line (1) = '-';
2447 if Next_Line (1 .. Nlast) /= End_Info then
2449 -- Ignore -static and -shared, since -shared will be used
2452 -- Ignore -lgnat, -lgnarl and -ldecgnat as they will be added
2453 -- later, because they are also needed for non Stand-Alone shared
2456 -- Also ignore the shared libraries which are :
2458 -- UNIX / Windows VMS
2459 -- -lgnat-<version> -lgnat_<version> (7 + version'length chars)
2460 -- -lgnarl-<version> -lgnarl_<version> (8 + version'length chars)
2462 if Next_Line (1 .. Nlast) /= "-static" and then
2463 Next_Line (1 .. Nlast) /= "-shared" and then
2464 Next_Line (1 .. Nlast) /= "-ldecgnat" and then
2465 Next_Line (1 .. Nlast) /= "-lgnarl" and then
2466 Next_Line (1 .. Nlast) /= "-lgnat" and then
2468 (1 .. Natural'Min (Nlast, 10 + Library_Version'Length)) /=
2469 Shared_Lib ("decgnat") and then
2471 (1 .. Natural'Min (Nlast, 8 + Library_Version'Length)) /=
2472 Shared_Lib ("gnarl") and then
2474 (1 .. Natural'Min (Nlast, 7 + Library_Version'Length)) /=
2477 if Next_Line (1) /= '-' then
2479 -- This is not an option, should we add it?
2481 if Add_Object_Files then
2482 Opts.Increment_Last;
2483 Opts.Table (Opts.Last) :=
2484 new String'(Next_Line (1 .. Nlast));
2488 -- Add all other options
2490 Opts.Increment_Last;
2491 Opts.Table (Opts.Last) :=
2492 new String'(Next_Line (1 .. Nlast));
2496 -- Next option, if any
2499 exit when Next_Line (1 .. Nlast) = End_Info;
2501 -- Remove first eight characters " -- "
2503 Next_Line (1 .. Nlast - 8) := Next_Line (9 .. Nlast);
2508 Status := fclose (Fd);
2510 -- Is it really right to ignore any close error ???
2512 end Process_Binder_File;
2518 procedure Reset_Tables is
2521 Objects_Htable.Reset;
2524 Processed_Projects.Reset;
2528 ---------------------------
2529 -- SALs_Use_Constructors --
2530 ---------------------------
2532 function SALs_Use_Constructors return Boolean is
2533 function C_SALs_Init_Using_Constructors return Integer;
2534 pragma Import (C, C_SALs_Init_Using_Constructors,
2535 "__gnat_sals_init_using_constructors");
2537 return C_SALs_Init_Using_Constructors /= 0;
2538 end SALs_Use_Constructors;
2540 ---------------------------
2541 -- Ultimate_Extension_Of --
2542 ---------------------------
2544 function Ultimate_Extension_Of
2545 (Project : Project_Id;
2546 In_Tree : Project_Tree_Ref) return Project_Id
2548 Result : Project_Id := Project;
2549 Data : Project_Data;
2552 if Project /= No_Project then
2554 Data := In_Tree.Projects.Table (Result);
2555 exit when Data.Extended_By = No_Project;
2556 Result := Data.Extended_By;
2561 end Ultimate_Extension_Of;