1 ------------------------------------------------------------------------------
3 -- GNAT COMPILER COMPONENTS --
9 -- Copyright (C) 2001-2011, 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 Makeutl; use Makeutl;
29 with MLib.Fil; use MLib.Fil;
30 with MLib.Tgt; use MLib.Tgt;
31 with MLib.Utl; use MLib.Utl;
33 with Output; use Output;
34 with Prj.Com; use Prj.Com;
35 with Prj.Env; use Prj.Env;
36 with Prj.Util; use Prj.Util;
38 with Snames; use Snames;
39 with Switch; use Switch;
41 with Targparm; use Targparm;
43 with Types; use Types;
45 with Ada.Characters.Handling;
47 with GNAT.Directory_Operations; use GNAT.Directory_Operations;
49 with Interfaces.C_Streams; use Interfaces.C_Streams;
50 with System; use System;
51 with System.Case_Util; use System.Case_Util;
53 package body MLib.Prj is
55 Prj_Add_Obj_Files : Types.Int;
56 pragma Import (C, Prj_Add_Obj_Files, "__gnat_prj_add_obj_files");
57 Add_Object_Files : constant Boolean := Prj_Add_Obj_Files /= 0;
58 -- Indicates if object files in pragmas Linker_Options (found in the
59 -- binder generated file) should be taken when linking a stand-alone
60 -- library. False for Windows, True for other platforms.
62 ALI_Suffix : constant String := ".ali";
64 B_Start : String_Ptr := new String'("b~");
65 -- Prefix of bind file, changed to b__ for VMS
67 S_Osinte_Ads : File_Name_Type := No_File;
68 -- Name_Id for "s-osinte.ads"
70 S_Dec_Ads : File_Name_Type := No_File;
71 -- Name_Id for "dec.ads"
73 G_Trasym_Ads : File_Name_Type := No_File;
74 -- Name_Id for "g-trasym.ads"
76 Arguments : String_List_Access := No_Argument;
77 -- Used to accumulate arguments for the invocation of gnatbind and of the
78 -- compiler. Also used to collect the interface ALI when copying the ALI
79 -- files to the library directory.
81 Argument_Number : Natural := 0;
82 -- Index of the last argument in Arguments
84 Initial_Argument_Max : constant := 10;
85 -- Where does the magic constant 10 come from???
87 No_Main_String : aliased String := "-n";
88 No_Main : constant String_Access := No_Main_String'Access;
90 Output_Switch_String : aliased String := "-o";
91 Output_Switch : constant String_Access :=
92 Output_Switch_String'Access;
94 Compile_Switch_String : aliased String := "-c";
95 Compile_Switch : constant String_Access :=
96 Compile_Switch_String'Access;
98 No_Warning_String : aliased String := "-gnatws";
99 No_Warning : constant String_Access := No_Warning_String'Access;
101 Auto_Initialize : constant String := "-a";
103 -- List of objects to put inside the library
105 Object_Files : Argument_List_Access;
107 package Objects is new Table.Table
108 (Table_Name => "Mlib.Prj.Objects",
109 Table_Component_Type => String_Access,
110 Table_Index_Type => Natural,
111 Table_Low_Bound => 1,
113 Table_Increment => 100);
115 package Objects_Htable is new GNAT.HTable.Simple_HTable
116 (Header_Num => Header_Num,
125 Ali_Files : Argument_List_Access;
127 package ALIs is new Table.Table
128 (Table_Name => "Mlib.Prj.Alis",
129 Table_Component_Type => String_Access,
130 Table_Index_Type => Natural,
131 Table_Low_Bound => 1,
133 Table_Increment => 100);
135 -- List of options set in the command line
137 Options : Argument_List_Access;
139 package Opts is new Table.Table
140 (Table_Name => "Mlib.Prj.Opts",
141 Table_Component_Type => String_Access,
142 Table_Index_Type => Natural,
143 Table_Low_Bound => 1,
145 Table_Increment => 100);
147 -- All the ALI file in the library
149 package Library_ALIs is new GNAT.HTable.Simple_HTable
150 (Header_Num => Header_Num,
153 Key => File_Name_Type,
157 -- The ALI files in the interface sets
159 package Interface_ALIs is new GNAT.HTable.Simple_HTable
160 (Header_Num => Header_Num,
163 Key => File_Name_Type,
167 -- The ALI files that have been processed to check if the corresponding
168 -- library unit is in the interface set.
170 package Processed_ALIs is new GNAT.HTable.Simple_HTable
171 (Header_Num => Header_Num,
174 Key => File_Name_Type,
178 -- The projects imported directly or indirectly
180 package Processed_Projects is new GNAT.HTable.Simple_HTable
181 (Header_Num => Header_Num,
188 -- The library projects imported directly or indirectly
190 package Library_Projs is new Table.Table (
191 Table_Component_Type => Project_Id,
192 Table_Index_Type => Integer,
193 Table_Low_Bound => 1,
195 Table_Increment => 10,
196 Table_Name => "Make.Library_Projs");
198 type Build_Mode_State is (None, Static, Dynamic, Relocatable);
200 procedure Add_Argument (S : String);
201 -- Add one argument to Arguments array, if array is full, double its size
203 function ALI_File_Name (Source : String) return String;
204 -- Return the ALI file name corresponding to a source
206 procedure Check (Filename : String);
207 -- Check if filename is a regular file. Fail if it is not
209 procedure Check_Context;
210 -- Check each object files in table Object_Files
211 -- Fail if any of them is not a regular file
213 procedure Copy_Interface_Sources
214 (For_Project : Project_Id;
215 In_Tree : Project_Tree_Ref;
216 Interfaces : Argument_List;
217 To_Dir : Path_Name_Type);
218 -- Copy the interface sources of a SAL to directory To_Dir
220 procedure Display (Executable : String);
221 -- Display invocation of gnatbind and of the compiler with the arguments
222 -- in Arguments, except when Quiet_Output is True.
224 function Index (S, Pattern : String) return Natural;
225 -- Return the last occurrence of Pattern in S, or 0 if none
227 procedure Process_Binder_File (Name : String);
228 -- For Stand-Alone libraries, get the Linker Options in the binder
231 procedure Reset_Tables;
232 -- Make sure that all the above tables are empty
233 -- (Objects, Ali_Files, Options).
235 function SALs_Use_Constructors return Boolean;
236 -- Indicate if Stand-Alone Libraries are automatically initialized using
237 -- the constructor mechanism.
243 procedure Add_Argument (S : String) is
245 if Argument_Number = Arguments'Last then
247 New_Args : constant String_List_Access :=
248 new String_List (1 .. 2 * Arguments'Last);
251 -- Copy the String_Accesses and set them to null in Arguments
252 -- so that they will not be deallocated by the call to
255 New_Args (Arguments'Range) := Arguments.all;
256 Arguments.all := (others => null);
258 Arguments := New_Args;
262 Argument_Number := Argument_Number + 1;
263 Arguments (Argument_Number) := new String'(S);
270 function ALI_File_Name (Source : String) return String is
272 -- If the source name has an extension, then replace it with
275 for Index in reverse Source'First + 1 .. Source'Last loop
276 if Source (Index) = '.' then
277 return Source (Source'First .. Index - 1) & ALI_Suffix;
281 -- If there is no dot, or if it is the first character, just add the
284 return Source & ALI_Suffix;
291 procedure Build_Library
292 (For_Project : Project_Id;
293 In_Tree : Project_Tree_Ref;
295 Gnatbind_Path : String_Access;
297 Gcc_Path : String_Access;
298 Bind : Boolean := True;
299 Link : Boolean := True)
301 Maximum_Size : Integer;
302 pragma Import (C, Maximum_Size, "__gnat_link_max");
303 -- Maximum number of bytes to put in an invocation of gnatbind
306 -- The number of bytes for the invocation of gnatbind
308 Warning_For_Library : Boolean := False;
309 -- Set True for first warning for a unit missing from the interface set
311 Current_Proj : Project_Id;
313 Libgnarl_Needed : Yes_No_Unknown := For_Project.Libgnarl_Needed;
314 -- Set True if library needs to be linked with libgnarl
316 Libdecgnat_Needed : Boolean := False;
317 -- On OpenVMS, set True if library needs to be linked with libdecgnat
319 Gtrasymobj_Needed : Boolean := False;
320 -- On OpenVMS, set rue if library needs to be linked with g-trasym.obj
322 Object_Directory_Path : constant String :=
324 (For_Project.Object_Directory.Display_Name);
326 Standalone : constant Boolean := For_Project.Standalone_Library;
328 Project_Name : constant String := Get_Name_String (For_Project.Name);
330 Current_Dir : constant String := Get_Current_Dir;
332 Lib_Filename : String_Access;
333 Lib_Dirpath : String_Access;
334 Lib_Version : String_Access := new String'("");
336 The_Build_Mode : Build_Mode_State := None;
338 Success : Boolean := False;
340 Library_Options : Variable_Value := Nil_Variable_Value;
342 Driver_Name : Name_Id := No_Name;
344 In_Main_Object_Directory : Boolean := True;
346 Foreign_Sources : Boolean;
348 Rpath : String_Access := null;
349 -- Allocated only if Path Option is supported
351 Rpath_Last : Natural := 0;
352 -- Index of last valid character of Rpath
354 Initial_Rpath_Length : constant := 200;
355 -- Initial size of Rpath, when first allocated
357 Path_Option : String_Access := Linker_Library_Path_Option;
358 -- If null, Path Option is not supported. Not a constant so that it can
361 First_ALI : File_Name_Type := No_File;
362 -- Store the ALI file name of a source of the library (the first found)
364 procedure Add_ALI_For (Source : File_Name_Type);
365 -- Add name of the ALI file corresponding to Source to the Arguments
367 procedure Add_Rpath (Path : String);
368 -- Add a path name to Rpath
370 function Check_Project (P : Project_Id) return Boolean;
371 -- Returns True if P is For_Project or a project extended by For_Project
373 procedure Check_Libs (ALI_File : String; Main_Project : Boolean);
374 -- Set Libgnarl_Needed if the ALI_File indicates that there is a need
375 -- to link with -lgnarl (this is the case when there is a dependency
376 -- on s-osinte.ads). On OpenVMS, set Libdecgnat_Needed if the ALI file
377 -- indicates that there is a need to link with -ldecgnat (this is the
378 -- case when there is a dependency on dec.ads). Set Gtrasymobj_Needed
379 -- if there is a dependency on g-trasym.ads.
381 procedure Process (The_ALI : File_Name_Type);
382 -- Check if the closure of a library unit which is or should be in the
383 -- interface set is also in the interface set. Issue a warning for each
384 -- missing library unit.
386 procedure Process_Imported_Libraries;
387 -- Add the -L and -l switches for the imported Library Project Files,
388 -- and, if Path Option is supported, the library directory path names
395 procedure Add_ALI_For (Source : File_Name_Type) is
396 ALI : constant String := ALI_File_Name (Get_Name_String (Source));
397 ALI_Id : File_Name_Type;
405 Add_Str_To_Name_Buffer (S => ALI);
408 -- Add the ALI file name to the library ALIs
411 Library_ALIs.Set (ALI_Id, True);
414 -- Set First_ALI, if not already done
416 if First_ALI = No_File then
425 procedure Add_Rpath (Path : String) is
435 New_Rpath : constant String_Access :=
436 new String (1 .. 2 * Rpath'Length);
438 New_Rpath (1 .. Rpath_Last) := Rpath (1 .. Rpath_Last);
443 -- Start of processing for Add_Rpath
446 -- If first path, allocate initial Rpath
449 Rpath := new String (1 .. Initial_Rpath_Length);
453 -- Otherwise, add a path separator between two path names
455 if Rpath_Last = Rpath'Last then
459 Rpath_Last := Rpath_Last + 1;
460 Rpath (Rpath_Last) := Path_Separator;
463 -- Increase Rpath size until it is large enough
465 while Rpath_Last + Path'Length > Rpath'Last loop
471 Rpath (Rpath_Last + 1 .. Rpath_Last + Path'Length) := Path;
472 Rpath_Last := Rpath_Last + Path'Length;
479 function Check_Project (P : Project_Id) return Boolean is
481 if P = For_Project then
484 elsif P /= No_Project then
490 while Proj.Extends /= No_Project loop
491 if P = Proj.Extends then
495 Proj := Proj.Extends;
507 procedure Check_Libs (ALI_File : String; Main_Project : Boolean) is
508 Lib_File : File_Name_Type;
509 Text : Text_Buffer_Ptr;
513 if Libgnarl_Needed /= Yes
516 and then OpenVMS_On_Target
517 and then ((not Libdecgnat_Needed) or (not Gtrasymobj_Needed)))
521 Name_Len := ALI_File'Length;
522 Name_Buffer (1 .. Name_Len) := ALI_File;
523 Lib_File := Name_Find;
524 Text := Read_Library_Info (Lib_File, True);
534 -- Look for s-osinte.ads in the dependencies
536 for Index in ALI.ALIs.Table (Id).First_Sdep ..
537 ALI.ALIs.Table (Id).Last_Sdep
539 if ALI.Sdep.Table (Index).Sfile = S_Osinte_Ads then
540 Libgnarl_Needed := Yes;
543 For_Project.Libgnarl_Needed := Yes;
548 elsif OpenVMS_On_Target then
549 if ALI.Sdep.Table (Index).Sfile = S_Dec_Ads then
550 Libdecgnat_Needed := True;
552 elsif ALI.Sdep.Table (Index).Sfile = G_Trasym_Ads then
553 Gtrasymobj_Needed := True;
564 procedure Process (The_ALI : File_Name_Type) is
565 Text : Text_Buffer_Ptr;
567 First_Unit : ALI.Unit_Id;
568 Last_Unit : ALI.Unit_Id;
569 Unit_Data : Unit_Record;
570 Afile : File_Name_Type;
573 -- Nothing to do if the ALI file has already been processed.
574 -- This happens if an interface imports another interface.
576 if not Processed_ALIs.Get (The_ALI) then
577 Processed_ALIs.Set (The_ALI, True);
578 Text := Read_Library_Info (The_ALI);
589 if Idread /= No_ALI_Id then
590 First_Unit := ALI.ALIs.Table (Idread).First_Unit;
591 Last_Unit := ALI.ALIs.Table (Idread).Last_Unit;
593 -- Process both unit (spec and body) if the body is needed
594 -- by the spec (inline or generic). Otherwise, just process
597 if First_Unit /= Last_Unit and then
598 not ALI.Units.Table (Last_Unit).Body_Needed_For_SAL
600 First_Unit := Last_Unit;
603 for Unit in First_Unit .. Last_Unit loop
604 Unit_Data := ALI.Units.Table (Unit);
606 -- Check if each withed unit which is in the library is
607 -- also in the interface set, if it has not yet been
610 for W in Unit_Data.First_With .. Unit_Data.Last_With loop
611 Afile := Withs.Table (W).Afile;
613 if Afile /= No_File and then Library_ALIs.Get (Afile)
614 and then not Processed_ALIs.Get (Afile)
616 if not Interface_ALIs.Get (Afile) then
617 if not Warning_For_Library then
618 Write_Str ("Warning: In library project """);
619 Get_Name_String (Current_Proj.Name);
620 To_Mixed (Name_Buffer (1 .. Name_Len));
621 Write_Str (Name_Buffer (1 .. Name_Len));
623 Warning_For_Library := True;
626 Write_Str (" Unit """);
627 Get_Name_String (Withs.Table (W).Uname);
628 To_Mixed (Name_Buffer (1 .. Name_Len - 2));
629 Write_Str (Name_Buffer (1 .. Name_Len - 2));
630 Write_Line (""" is not in the interface set");
631 Write_Str (" but it is needed by ");
633 case Unit_Data.Utype is
635 Write_Str ("the spec of ");
638 Write_Str ("the body of ");
645 Get_Name_String (Unit_Data.Uname);
646 To_Mixed (Name_Buffer (1 .. Name_Len - 2));
647 Write_Str (Name_Buffer (1 .. Name_Len - 2));
651 -- Now, process this unit
662 --------------------------------
663 -- Process_Imported_Libraries --
664 --------------------------------
666 procedure Process_Imported_Libraries is
667 Current : Project_Id;
669 procedure Process_Project (Project : Project_Id);
670 -- Process Project and its imported projects recursively.
671 -- Add any library projects to table Library_Projs.
673 ---------------------
674 -- Process_Project --
675 ---------------------
677 procedure Process_Project (Project : Project_Id) is
678 Imported : Project_List;
681 -- Nothing to do if process has already been processed
683 if not Processed_Projects.Get (Project.Name) then
684 Processed_Projects.Set (Project.Name, True);
686 -- Call Process_Project recursively for any imported project.
687 -- We first process the imported projects to guarantee that
688 -- we have a proper reverse order for the libraries.
690 Imported := Project.Imported_Projects;
691 while Imported /= null loop
692 if Imported.Project /= No_Project then
693 Process_Project (Imported.Project);
696 Imported := Imported.Next;
699 -- If it is a library project, add it to Library_Projs
701 if Project /= For_Project and then Project.Library then
702 Library_Projs.Increment_Last;
703 Library_Projs.Table (Library_Projs.Last) := Project;
705 -- Check if because of this library we need to use libgnarl
707 if Libgnarl_Needed = Unknown then
708 if Project.Libgnarl_Needed = Unknown
709 and then Project.Object_Directory /= No_Path_Information
711 -- Check if libgnarl is needed for this library
714 Object_Dir_Path : constant String :=
716 (Project.Object_Directory.
718 Object_Dir : Dir_Type;
719 Filename : String (1 .. 255);
723 Open (Object_Dir, Object_Dir_Path);
725 -- For all entries in the object directory
728 Read (Object_Dir, Filename, Last);
731 -- Check if it is an object file
733 if Is_Obj (Filename (1 .. Last)) then
735 Object_Path : constant String :=
738 Directory_Separator &
739 Filename (1 .. Last));
740 ALI_File : constant String :=
742 (Object_Path, "ali");
745 if Is_Regular_File (ALI_File) then
747 -- Find out if for this ALI file,
748 -- libgnarl is necessary.
751 (ALI_File, Main_Project => False);
753 if Libgnarl_Needed = Yes then
754 Project.Libgnarl_Needed := Yes;
755 For_Project.Libgnarl_Needed := Yes;
767 if Project.Libgnarl_Needed = Yes then
768 Libgnarl_Needed := Yes;
769 For_Project.Libgnarl_Needed := Yes;
776 -- Start of processing for Process_Imported_Libraries
779 -- Build list of library projects imported directly or indirectly,
780 -- in the reverse order.
782 Process_Project (For_Project);
784 -- Add the -L and -l switches and, if the Rpath option is supported,
785 -- add the directory to the Rpath. As the library projects are in the
786 -- wrong order, process from the last to the first.
788 for Index in reverse 1 .. Library_Projs.Last loop
789 Current := Library_Projs.Table (Index);
791 Get_Name_String (Current.Library_Dir.Display_Name);
793 Opts.Table (Opts.Last) :=
794 new String'("-L" & Name_Buffer (1 .. Name_Len));
796 if Path_Option /= null then
797 Add_Rpath (Name_Buffer (1 .. Name_Len));
801 Opts.Table (Opts.Last) :=
802 new String'("-l" & Get_Name_String (Current.Library_Name));
804 end Process_Imported_Libraries;
806 Path_FD : File_Descriptor := Invalid_FD;
807 -- Used for setting the source and object paths
809 -- Start of processing for Build_Library
814 -- Fail if project is not a library project
816 if not For_Project.Library then
817 Com.Fail ("project """ & Project_Name & """ has no library");
820 -- Do not attempt to build the library if it is externally built
822 if For_Project.Externally_Built then
826 -- If this is the first time Build_Library is called, get the Name_Id
827 -- of "s-osinte.ads".
829 if S_Osinte_Ads = No_File then
831 Add_Str_To_Name_Buffer ("s-osinte.ads");
832 S_Osinte_Ads := Name_Find;
835 if S_Dec_Ads = No_File then
837 Add_Str_To_Name_Buffer ("dec.ads");
838 S_Dec_Ads := Name_Find;
841 if G_Trasym_Ads = No_File then
843 Add_Str_To_Name_Buffer ("g-trasym.ads");
844 G_Trasym_Ads := Name_Find;
847 -- We work in the object directory
849 Change_Dir (Object_Directory_Path);
853 -- Call gnatbind only if Bind is True
856 if Gnatbind_Path = null then
857 Com.Fail ("unable to locate " & Gnatbind);
860 if Gcc_Path = null then
861 Com.Fail ("unable to locate " & Gcc);
864 -- Allocate Arguments, if it is the first time we see a standalone
867 if Arguments = No_Argument then
868 Arguments := new String_List (1 .. Initial_Argument_Max);
871 -- Add "-n -o b~<lib>.adb (b__<lib>.adb on VMS) -L<lib>_"
873 Argument_Number := 2;
874 Arguments (1) := No_Main;
875 Arguments (2) := Output_Switch;
877 if OpenVMS_On_Target then
878 B_Start := new String'("b__");
883 & Get_Name_String (For_Project.Library_Name) & ".adb");
885 -- Make sure that the init procedure is never "adainit"
887 Get_Name_String (For_Project.Library_Name);
889 if Name_Buffer (1 .. Name_Len) = "ada" then
890 Add_Argument ("-Lada_");
893 ("-L" & Get_Name_String (For_Project.Library_Name));
896 if For_Project.Lib_Auto_Init and then SALs_Use_Constructors then
897 Add_Argument (Auto_Initialize);
900 -- Check if Binder'Default_Switches ("Ada") is defined. If it is,
901 -- add these switches to call gnatbind.
904 Binder_Package : constant Package_Id :=
906 (Name => Name_Binder,
907 In_Packages => For_Project.Decl.Packages,
908 Shared => In_Tree.Shared);
911 if Binder_Package /= No_Package then
913 Defaults : constant Array_Element_Id :=
915 (Name => Name_Default_Switches,
917 In_Tree.Shared.Packages.Table
918 (Binder_Package).Decl.Arrays,
919 Shared => In_Tree.Shared);
921 Switches : Variable_Value := Nil_Variable_Value;
922 Switch : String_List_Id := Nil_String;
925 if Defaults /= No_Array_Element then
930 In_Array => Defaults,
931 Shared => In_Tree.Shared);
933 if not Switches.Default then
934 Switch := Switches.Values;
936 while Switch /= Nil_String loop
939 (In_Tree.Shared.String_Elements.Table
941 Switch := In_Tree.Shared.String_Elements.
951 -- Get all the ALI files of the project file. We do that even if
952 -- Bind is False, so that First_ALI is set.
959 Interface_ALIs.Reset;
960 Processed_ALIs.Reset;
962 Unit := Units_Htable.Get_First (In_Tree.Units_HT);
963 while Unit /= No_Unit_Index loop
964 if Unit.File_Names (Impl) /= null
965 and then not Unit.File_Names (Impl).Locally_Removed
967 if Check_Project (Unit.File_Names (Impl).Project) then
968 if Unit.File_Names (Spec) = null then
970 -- Add the ALI file only if it is not a subunit
973 Src_Ind : constant Source_File_Index :=
974 Sinput.P.Load_Project_File
976 (Unit.File_Names (Impl).Path.Name));
979 Sinput.P.Source_File_Is_Subunit (Src_Ind)
981 Add_ALI_For (Unit.File_Names (Impl).File);
987 Add_ALI_For (Unit.File_Names (Impl).File);
992 elsif Unit.File_Names (Spec) /= null
993 and then not Unit.File_Names (Spec).Locally_Removed
994 and then Check_Project (Unit.File_Names (Spec).Project)
996 Add_ALI_For (Unit.File_Names (Spec).File);
1000 Unit := Units_Htable.Get_Next (In_Tree.Units_HT);
1004 -- Continue setup and call gnatbind if Bind is True
1008 -- Get an eventual --RTS from the ALI file
1010 if First_ALI /= No_File then
1012 T : Text_Buffer_Ptr;
1016 -- Load the ALI file
1018 T := Read_Library_Info (First_ALI, True);
1023 (First_ALI, T, Ignore_ED => False, Err => False);
1025 if A /= No_ALI_Id then
1028 (ALI.ALIs.Table (A).First_Unit).First_Arg ..
1030 (ALI.ALIs.Table (A).First_Unit).Last_Arg
1032 -- If --RTS found, add switch to call gnatbind
1035 Arg : String_Ptr renames Args.Table (Index);
1037 if Arg'Length >= 6 and then
1038 Arg (Arg'First + 2 .. Arg'First + 5) = "RTS="
1040 Add_Argument (Arg.all);
1051 -- First the source path
1053 if For_Project.Include_Path_File = No_Path then
1055 (Project_Tree => In_Tree,
1056 For_Project => For_Project,
1057 Activity => Compilation,
1058 Languages => Ada_Only);
1060 Create_New_Path_File
1061 (In_Tree.Shared, Path_FD, For_Project.Include_Path_File);
1063 Write_Path_File (Path_FD);
1064 Path_FD := Invalid_FD;
1067 if Current_Source_Path_File_Of (In_Tree.Shared) /=
1068 For_Project.Include_Path_File
1070 Set_Current_Source_Path_File_Of
1071 (In_Tree.Shared, For_Project.Include_Path_File);
1073 (Project_Include_Path_File,
1074 Get_Name_String (For_Project.Include_Path_File));
1077 -- Then, the object path
1080 (Project_Tree => In_Tree,
1081 For_Project => For_Project,
1082 Activity => SAL_Binding,
1083 Languages => Ada_Only);
1086 Path_File_Name : Path_Name_Type;
1089 Create_New_Path_File (In_Tree.Shared, Path_FD, Path_File_Name);
1091 Write_Path_File (Path_FD);
1092 Path_FD := Invalid_FD;
1095 (Project_Objects_Path_File, Get_Name_String (Path_File_Name));
1096 Set_Current_Source_Path_File_Of
1097 (In_Tree.Shared, Path_File_Name);
1100 -- Display the gnatbind command, if not in quiet output
1105 for J in 1 .. Argument_Number loop
1106 Size := Size + Arguments (J)'Length + 1;
1109 -- Invoke gnatbind with the arguments if the size is not too large
1111 if Size <= Maximum_Size then
1114 Arguments (1 .. Argument_Number),
1117 -- Otherwise create a temporary response file
1121 FD : File_Descriptor;
1122 Path : Path_Name_Type;
1123 Args : Argument_List (1 .. 1);
1124 EOL : constant String (1 .. 1) := (1 => ASCII.LF);
1127 Quotes_Needed : Boolean;
1128 Last_Char : Natural;
1132 Tempdir.Create_Temp_File (FD, Path);
1133 Args (1) := new String'("@" & Get_Name_String (Path));
1135 for J in 1 .. Argument_Number loop
1137 -- Check if the argument should be quoted
1139 Quotes_Needed := False;
1140 Last_Char := Arguments (J)'Length;
1142 for K in Arguments (J)'Range loop
1143 Ch := Arguments (J) (K);
1145 if Ch = ' ' or else Ch = ASCII.HT or else Ch = '"' then
1146 Quotes_Needed := True;
1151 if Quotes_Needed then
1153 -- Quote the argument, doubling '"'
1156 Arg : String (1 .. Arguments (J)'Length * 2 + 2);
1162 for K in Arguments (J)'Range loop
1163 Ch := Arguments (J) (K);
1164 Last_Char := Last_Char + 1;
1165 Arg (Last_Char) := Ch;
1168 Last_Char := Last_Char + 1;
1169 Arg (Last_Char) := '"';
1173 Last_Char := Last_Char + 1;
1174 Arg (Last_Char) := '"';
1176 Status := Write (FD, Arg'Address, Last_Char);
1182 Arguments (J) (Arguments (J)'First)'Address,
1186 if Status /= Last_Char then
1190 Status := Write (FD, EOL (1)'Address, 1);
1199 -- And invoke gnatbind with this response file
1201 Spawn (Gnatbind_Path.all, Args, Success);
1203 Delete_File (Get_Name_String (Path), Succ);
1212 Com.Fail ("could not bind standalone library "
1213 & Get_Name_String (For_Project.Library_Name));
1217 -- Compile the binder generated file only if Link is true
1224 (Project => For_Project,
1226 Including_Libraries => True);
1228 -- Invoke <gcc> -c b__<lib>.adb
1230 -- Allocate Arguments, if first time we see a standalone library
1232 if Arguments = No_Argument then
1233 Arguments := new String_List (1 .. Initial_Argument_Max);
1236 Argument_Number := 2;
1237 Arguments (1) := Compile_Switch;
1238 Arguments (2) := No_Warning;
1240 if OpenVMS_On_Target then
1241 B_Start := new String'("b__");
1246 & Get_Name_String (For_Project.Library_Name) & ".adb");
1248 -- If necessary, add the PIC option
1250 if PIC_Option /= "" then
1251 Add_Argument (PIC_Option);
1254 -- Get the back-end switches and --RTS from the ALI file
1256 if First_ALI /= No_File then
1258 T : Text_Buffer_Ptr;
1262 -- Load the ALI file
1264 T := Read_Library_Info (First_ALI, True);
1269 Scan_ALI (First_ALI, T, Ignore_ED => False, Err => False);
1271 if A /= No_ALI_Id then
1274 (ALI.ALIs.Table (A).First_Unit).First_Arg ..
1276 (ALI.ALIs.Table (A).First_Unit).Last_Arg
1278 -- Do not compile with the front end switches except
1282 Arg : String_Ptr renames Args.Table (Index);
1284 if not Is_Front_End_Switch (Arg.all)
1286 Arg (Arg'First + 2 .. Arg'First + 5) = "RTS="
1288 Add_Argument (Arg.all);
1296 -- Now all the arguments are set, compile binder generated file
1300 (Gcc_Path.all, Arguments (1 .. Argument_Number), Success);
1304 ("could not compile binder generated file for library "
1305 & Get_Name_String (For_Project.Library_Name));
1308 -- Process binder generated file for pragmas Linker_Options
1310 Process_Binder_File (Arguments (3).all & ASCII.NUL);
1314 -- Build the library only if Link is True
1318 -- If attributes Library_GCC or Linker'Driver were specified, get the
1321 if For_Project.Config.Shared_Lib_Driver /= No_File then
1322 Driver_Name := Name_Id (For_Project.Config.Shared_Lib_Driver);
1325 -- If attribute Library_Options was specified, add these options
1327 Library_Options := Value_Of
1328 (Name_Library_Options, For_Project.Decl.Attributes,
1331 if not Library_Options.Default then
1333 Current : String_List_Id;
1334 Element : String_Element;
1337 Current := Library_Options.Values;
1338 while Current /= Nil_String loop
1339 Element := In_Tree.Shared.String_Elements.Table (Current);
1340 Get_Name_String (Element.Value);
1342 if Name_Len /= 0 then
1343 Opts.Increment_Last;
1344 Opts.Table (Opts.Last) :=
1345 new String'(Name_Buffer (1 .. Name_Len));
1348 Current := Element.Next;
1354 new String'(Get_Name_String (For_Project.Library_Dir.Display_Name));
1356 new String'(Get_Name_String (For_Project.Library_Name));
1358 case For_Project.Library_Kind is
1360 The_Build_Mode := Static;
1363 The_Build_Mode := Dynamic;
1366 The_Build_Mode := Relocatable;
1368 if PIC_Option /= "" then
1369 Opts.Increment_Last;
1370 Opts.Table (Opts.Last) := new String'(PIC_Option);
1374 -- Get the library version, if any
1376 if For_Project.Lib_Internal_Name /= No_Name then
1378 new String'(Get_Name_String (For_Project.Lib_Internal_Name));
1381 -- Add the objects found in the object directory and the object
1382 -- directories of the extended files, if any, except for generated
1383 -- object files (b~.. or B__..) from extended projects.
1384 -- When there are one or more extended files, only add an object file
1385 -- if no object file with the same name have already been added.
1387 In_Main_Object_Directory := True;
1389 -- For gnatmake, when the project specifies more than just Ada as a
1390 -- language (even if course we could not find any source file for
1391 -- the other languages), we will take all object files found in the
1392 -- object directories. Since we know the project supports at least
1393 -- Ada, we just have to test whether it has at least two languages,
1394 -- and not care about the sources.
1396 Foreign_Sources := For_Project.Languages.Next /= null;
1397 Current_Proj := For_Project;
1399 if Current_Proj.Object_Directory /= No_Path_Information then
1401 -- The following code gets far too indented ... suggest some
1402 -- procedural abstraction here. How about making this declare
1403 -- block a named procedure???
1406 Object_Dir_Path : constant String :=
1408 (Current_Proj.Object_Directory
1411 Object_Dir : Dir_Type;
1412 Filename : String (1 .. 255);
1417 Open (Dir => Object_Dir, Dir_Name => Object_Dir_Path);
1419 -- For all entries in the object directory
1422 Read (Object_Dir, Filename, Last);
1426 -- Check if it is an object file
1428 if Is_Obj (Filename (1 .. Last)) then
1430 Object_Path : constant String :=
1433 & Directory_Separator
1434 & Filename (1 .. Last));
1435 Object_File : constant String :=
1436 Filename (1 .. Last);
1438 C_Filename : String := Object_File;
1441 Canonical_Case_File_Name (C_Filename);
1443 -- If in the object directory of an extended
1444 -- project, do not consider generated object files.
1446 if In_Main_Object_Directory
1449 C_Filename (1 .. B_Start'Length) /= B_Start.all
1452 Add_Str_To_Name_Buffer (C_Filename);
1455 if not Objects_Htable.Get (Id) then
1457 ALI_File : constant String :=
1458 Ext_To (C_Filename, "ali");
1460 ALI_Path : constant String :=
1461 Ext_To (Object_Path, "ali");
1464 Fname : File_Name_Type;
1469 -- The following assignment could use
1477 C_Filename (1 .. B_Start'Length)
1480 if Is_Regular_File (ALI_Path) then
1482 -- If there is an ALI file, check if
1483 -- the object file should be added to
1484 -- the library. If there are foreign
1485 -- sources we put all object files in
1490 Units_Htable.Get_First
1492 while Index /= null loop
1493 if Index.File_Names (Impl) /=
1497 Index.File_Names (Impl)
1500 Index.File_Names (Impl).File;
1502 elsif Index.File_Names (Spec) /=
1506 Index.File_Names (Spec)
1509 Index.File_Names (Spec).File;
1515 Add_It := Proj /= No_Project;
1517 -- If the source is in the
1518 -- project or a project it
1519 -- extends, we may put it in
1523 Add_It := Check_Project (Proj);
1526 -- But we don't, if the ALI file
1527 -- does not correspond to the
1532 F : constant String :=
1537 Add_It := F = ALI_File;
1544 Units_Htable.Get_Next
1550 Objects_Htable.Set (Id, True);
1552 (new String'(Object_Path));
1554 -- Record the ALI file
1556 ALIs.Append (new String'(ALI_Path));
1558 -- Find out if for this ALI file,
1559 -- libgnarl or libdecgnat or
1560 -- g-trasym.obj (on OpenVMS) is
1563 Check_Libs (ALI_Path, True);
1566 elsif Foreign_Sources then
1568 (new String'(Object_Path));
1577 Close (Dir => Object_Dir);
1580 when Directory_Error =>
1581 Com.Fail ("cannot find object directory """
1583 (Current_Proj.Object_Directory.Display_Name)
1588 exit when Current_Proj.Extends = No_Project;
1590 In_Main_Object_Directory := False;
1591 Current_Proj := Current_Proj.Extends;
1594 -- Add the -L and -l switches for the imported Library Project Files,
1595 -- and, if Path Option is supported, the library directory path names
1598 Process_Imported_Libraries;
1600 -- Link with libgnat and possibly libgnarl
1602 Opts.Increment_Last;
1603 Opts.Table (Opts.Last) := new String'("-L" & Lib_Directory);
1605 -- If Path Option supported, add libgnat directory path name to Rpath
1607 if Path_Option /= null then
1609 Libdir : constant String := Lib_Directory;
1610 GCC_Index : Natural := 0;
1615 -- For shared libraries, add to the Path Option the directory
1616 -- of the shared version of libgcc.
1618 if The_Build_Mode /= Static then
1619 GCC_Index := Index (Libdir, "/lib/");
1621 if GCC_Index = 0 then
1625 Directory_Separator & "lib" & Directory_Separator);
1628 if GCC_Index /= 0 then
1629 Add_Rpath (Libdir (Libdir'First .. GCC_Index + 3));
1635 if Libgnarl_Needed = Yes then
1636 Opts.Increment_Last;
1638 if The_Build_Mode = Static then
1639 Opts.Table (Opts.Last) := new String'("-lgnarl");
1641 Opts.Table (Opts.Last) := new String'(Shared_Lib ("gnarl"));
1645 if Gtrasymobj_Needed then
1646 Opts.Increment_Last;
1647 Opts.Table (Opts.Last) :=
1648 new String'(Lib_Directory & "/g-trasym.obj");
1651 if Libdecgnat_Needed then
1652 Opts.Increment_Last;
1654 Opts.Table (Opts.Last) :=
1655 new String'("-L" & Lib_Directory & "/../declib");
1657 Opts.Increment_Last;
1659 if The_Build_Mode = Static then
1660 Opts.Table (Opts.Last) := new String'("-ldecgnat");
1662 Opts.Table (Opts.Last) := new String'(Shared_Lib ("decgnat"));
1666 Opts.Increment_Last;
1668 if The_Build_Mode = Static then
1669 Opts.Table (Opts.Last) := new String'("-lgnat");
1671 Opts.Table (Opts.Last) := new String'(Shared_Lib ("gnat"));
1674 -- If Path Option is supported, add the necessary switch with the
1675 -- content of Rpath. As Rpath contains at least libgnat directory
1676 -- path name, it is guaranteed that it is not null.
1678 if Path_Option /= null then
1679 Opts.Increment_Last;
1680 Opts.Table (Opts.Last) :=
1681 new String'(Path_Option.all & Rpath (1 .. Rpath_Last));
1688 (Argument_List (Objects.Table (1 .. Objects.Last)));
1691 new Argument_List'(Argument_List (ALIs.Table (1 .. ALIs.Last)));
1694 new Argument_List'(Argument_List (Opts.Table (1 .. Opts.Last)));
1696 -- We fail if there are no object to put in the library
1697 -- (Ada or foreign objects).
1699 if Object_Files'Length = 0 then
1700 Com.Fail ("no object files for library """ &
1701 Lib_Filename.all & '"');
1704 if not Opt.Quiet_Output then
1706 Write_Str ("building ");
1707 Write_Str (Ada.Characters.Handling.To_Lower
1708 (Build_Mode_State'Image (The_Build_Mode)));
1709 Write_Str (" library for project ");
1710 Write_Line (Project_Name);
1712 -- Only output list of object files and ALI files in verbose mode
1714 if Opt.Verbose_Mode then
1717 Write_Line ("object files:");
1719 for Index in Object_Files'Range loop
1721 Write_Line (Object_Files (Index).all);
1726 if Ali_Files'Length = 0 then
1727 Write_Line ("NO ALI files");
1730 Write_Line ("ALI files:");
1732 for Index in Ali_Files'Range loop
1734 Write_Line (Ali_Files (Index).all);
1742 -- We check that all object files are regular files
1746 -- Delete the existing library file, if it exists. Fail if the
1747 -- library file is not writable, or if it is not possible to delete
1751 DLL_Name : aliased String :=
1752 Lib_Dirpath.all & Directory_Separator & DLL_Prefix &
1753 Lib_Filename.all & "." & DLL_Ext;
1755 Archive_Name : aliased String :=
1756 Lib_Dirpath.all & Directory_Separator & "lib" &
1757 Lib_Filename.all & "." & Archive_Ext;
1759 type Str_Ptr is access all String;
1760 -- This type is necessary to meet the accessibility rules of Ada.
1761 -- It is not possible to use String_Access here.
1763 Full_Lib_Name : Str_Ptr;
1764 -- Designates the full library path name. Either DLL_Name or
1765 -- Archive_Name, depending on the library kind.
1768 pragma Warnings (Off, Success);
1769 -- Used to call Delete_File
1772 if The_Build_Mode = Static then
1773 Full_Lib_Name := Archive_Name'Access;
1775 Full_Lib_Name := DLL_Name'Access;
1778 if Is_Regular_File (Full_Lib_Name.all) then
1779 if Is_Writable_File (Full_Lib_Name.all) then
1780 Delete_File (Full_Lib_Name.all, Success);
1783 if Is_Regular_File (Full_Lib_Name.all) then
1784 Com.Fail ("could not delete """ & Full_Lib_Name.all & """");
1789 Argument_Number := 0;
1791 -- If we have a standalone library, gather all the interface ALI.
1792 -- They are passed to Build_Dynamic_Library, where they are used by
1793 -- some platforms (VMS, for example) to decide what symbols should be
1794 -- exported. They are also flagged as Interface when we copy them to
1795 -- the library directory (by Copy_ALI_Files, below).
1798 Current_Proj := For_Project;
1801 Iface : String_List_Id := For_Project.Lib_Interface_ALIs;
1802 ALI : File_Name_Type;
1805 while Iface /= Nil_String loop
1808 (In_Tree.Shared.String_Elements.Table (Iface).Value);
1809 Interface_ALIs.Set (ALI, True);
1811 (In_Tree.Shared.String_Elements.Table (Iface).Value);
1812 Add_Argument (Name_Buffer (1 .. Name_Len));
1813 Iface := In_Tree.Shared.String_Elements.Table (Iface).Next;
1816 Iface := For_Project.Lib_Interface_ALIs;
1818 if not Opt.Quiet_Output then
1820 -- Check that the interface set is complete: any unit in the
1821 -- library that is needed by an interface should also be an
1822 -- interface. If it is not the case, output a warning.
1824 while Iface /= Nil_String loop
1827 (In_Tree.Shared.String_Elements.Table (Iface).Value);
1830 In_Tree.Shared.String_Elements.Table (Iface).Next;
1837 Current_Dir : constant String := Get_Current_Dir;
1840 Name : String (1 .. 200);
1843 Disregard : Boolean;
1844 pragma Warnings (Off, Disregard);
1846 DLL_Name : aliased constant String :=
1847 Lib_Filename.all & "." & DLL_Ext;
1849 Archive_Name : aliased constant String :=
1850 Lib_Filename.all & "." & Archive_Ext;
1852 Delete : Boolean := False;
1855 -- Clean the library directory: remove any file with the name of
1856 -- the library file and any ALI file of a source of the project.
1859 Get_Name_String (For_Project.Library_Dir.Display_Name);
1860 Change_Dir (Name_Buffer (1 .. Name_Len));
1865 ("unable to access library directory """
1866 & Name_Buffer (1 .. Name_Len)
1873 Read (Dir, Name, Last);
1877 Filename : constant String := Name (1 .. Last);
1880 if Is_Regular_File (Filename) then
1881 Canonical_Case_File_Name (Name (1 .. Last));
1884 if (The_Build_Mode = Static
1885 and then Name (1 .. Last) = Archive_Name)
1887 ((The_Build_Mode = Dynamic
1889 The_Build_Mode = Relocatable)
1890 and then Name (1 .. Last) = DLL_Name)
1895 and then Name (Last - 3 .. Last) = ".ali"
1901 -- Compare with ALI file names of the project
1903 Unit := Units_Htable.Get_First (In_Tree.Units_HT);
1904 while Unit /= No_Unit_Index loop
1905 if Unit.File_Names (Impl) /= null
1906 and then Unit.File_Names (Impl).Project /=
1909 if Ultimate_Extending_Project_Of
1910 (Unit.File_Names (Impl).Project) =
1914 (Unit.File_Names (Impl).File);
1918 (Name (1 .. Name_Len))'Length;
1920 if Name_Buffer (1 .. Name_Len) =
1921 Name (1 .. Last - 4)
1928 elsif Unit.File_Names (Spec) /= null
1929 and then Ultimate_Extending_Project_Of
1930 (Unit.File_Names (Spec).Project) =
1933 Get_Name_String (Unit.File_Names (Spec).File);
1936 File_Extension (Name (1 .. Last))'Length;
1938 if Name_Buffer (1 .. Name_Len) =
1939 Name (1 .. Last - 4)
1946 Unit := Units_Htable.Get_Next (In_Tree.Units_HT);
1952 Set_Writable (Filename);
1953 Delete_File (Filename, Disregard);
1961 Change_Dir (Current_Dir);
1964 -- Call procedure to build the library, depending on the build mode
1966 case The_Build_Mode is
1967 when Dynamic | Relocatable =>
1968 Build_Dynamic_Library
1969 (Ofiles => Object_Files.all,
1970 Options => Options.all,
1971 Interfaces => Arguments (1 .. Argument_Number),
1972 Lib_Filename => Lib_Filename.all,
1973 Lib_Dir => Lib_Dirpath.all,
1974 Symbol_Data => Current_Proj.Symbol_Data,
1975 Driver_Name => Driver_Name,
1976 Lib_Version => Lib_Version.all,
1977 Auto_Init => Current_Proj.Lib_Auto_Init);
1989 -- We need to copy the ALI files from the object directory to the
1990 -- library ALI directory, so that the linker find them there, and
1991 -- does not need to look in the object directory where it would also
1992 -- find the object files; and we don't want that: we want the linker
1993 -- to use the library.
1995 -- Copy the ALI files and make the copies read-only. For interfaces,
1996 -- mark the copies as interfaces.
1999 (Files => Ali_Files.all,
2000 To => For_Project.Library_ALI_Dir.Display_Name,
2001 Interfaces => Arguments (1 .. Argument_Number));
2003 -- Copy interface sources if Library_Src_Dir specified
2006 and then For_Project.Library_Src_Dir /= No_Path_Information
2008 -- Clean the interface copy directory: remove any source that
2009 -- could be a source of the project.
2012 Get_Name_String (For_Project.Library_Src_Dir.Display_Name);
2013 Change_Dir (Name_Buffer (1 .. Name_Len));
2018 ("unable to access library source copy directory """
2019 & Name_Buffer (1 .. Name_Len)
2025 Delete : Boolean := False;
2028 Name : String (1 .. 200);
2031 Disregard : Boolean;
2032 pragma Warnings (Off, Disregard);
2038 Read (Dir, Name, Last);
2041 if Is_Regular_File (Name (1 .. Last)) then
2042 Canonical_Case_File_Name (Name (1 .. Last));
2045 -- Compare with source file names of the project
2047 Unit := Units_Htable.Get_First (In_Tree.Units_HT);
2048 while Unit /= No_Unit_Index loop
2049 if Unit.File_Names (Impl) /= null
2050 and then Ultimate_Extending_Project_Of
2051 (Unit.File_Names (Impl).Project) = For_Project
2054 (Unit.File_Names (Impl).File) =
2061 if Unit.File_Names (Spec) /= null
2062 and then Ultimate_Extending_Project_Of
2063 (Unit.File_Names (Spec).Project) =
2067 (Unit.File_Names (Spec).File) =
2074 Unit := Units_Htable.Get_Next (In_Tree.Units_HT);
2079 Set_Writable (Name (1 .. Last));
2080 Delete_File (Name (1 .. Last), Disregard);
2087 Copy_Interface_Sources
2088 (For_Project => For_Project,
2090 Interfaces => Arguments (1 .. Argument_Number),
2091 To_Dir => For_Project.Library_Src_Dir.Display_Name);
2095 -- Reset the current working directory to its previous value
2097 Change_Dir (Current_Dir);
2104 procedure Check (Filename : String) is
2106 if not Is_Regular_File (Filename) then
2107 Com.Fail (Filename & " not found.");
2115 procedure Check_Context is
2117 -- Check that each object file exists
2119 for F in Object_Files'Range loop
2120 Check (Object_Files (F).all);
2128 procedure Check_Library
2129 (For_Project : Project_Id; In_Tree : Project_Tree_Ref)
2131 Lib_TS : Time_Stamp_Type;
2132 Current : constant Dir_Name_Str := Get_Current_Dir;
2135 -- No need to build the library if there is no object directory,
2136 -- hence no object files to build the library.
2138 if For_Project.Library then
2140 Lib_Name : constant File_Name_Type :=
2141 Library_File_Name_For (For_Project, In_Tree);
2144 (Get_Name_String (For_Project.Library_Dir.Display_Name));
2145 Lib_TS := File_Stamp (Lib_Name);
2146 For_Project.Library_TS := Lib_TS;
2149 if not For_Project.Externally_Built
2150 and then not For_Project.Need_To_Build_Lib
2151 and then For_Project.Object_Directory /= No_Path_Information
2154 Obj_TS : Time_Stamp_Type;
2155 Object_Dir : Dir_Type;
2158 if OpenVMS_On_Target then
2159 B_Start := new String'("b__");
2162 -- If the library file does not exist, then the time stamp will
2163 -- be Empty_Time_Stamp, earlier than any other time stamp.
2166 (Get_Name_String (For_Project.Object_Directory.Display_Name));
2167 Open (Dir => Object_Dir, Dir_Name => ".");
2169 -- For all entries in the object directory
2172 Read (Object_Dir, Name_Buffer, Name_Len);
2173 exit when Name_Len = 0;
2175 -- Check if it is an object file, but ignore any binder
2178 if Is_Obj (Name_Buffer (1 .. Name_Len))
2179 and then Name_Buffer (1 .. B_Start'Length) /= B_Start.all
2181 -- Get the object file time stamp
2183 Obj_TS := File_Stamp (File_Name_Type'(Name_Find));
2185 -- If library file time stamp is earlier, set
2186 -- Need_To_Build_Lib and return. String comparison is
2187 -- used, otherwise time stamps may be too close and the
2188 -- comparison would return True, which would trigger
2189 -- an unnecessary rebuild of the library.
2191 if String (Lib_TS) < String (Obj_TS) then
2193 -- Library must be rebuilt
2195 For_Project.Need_To_Build_Lib := True;
2205 Change_Dir (Current);
2209 ----------------------------
2210 -- Copy_Interface_Sources --
2211 ----------------------------
2213 procedure Copy_Interface_Sources
2214 (For_Project : Project_Id;
2215 In_Tree : Project_Tree_Ref;
2216 Interfaces : Argument_List;
2217 To_Dir : Path_Name_Type)
2219 Current : constant Dir_Name_Str := Get_Current_Dir;
2220 -- The current directory, where to return to at the end
2222 Target : constant Dir_Name_Str := Get_Name_String (To_Dir);
2223 -- The directory where to copy sources
2225 Text : Text_Buffer_Ptr;
2226 The_ALI : ALI.ALI_Id;
2227 Lib_File : File_Name_Type;
2229 First_Unit : ALI.Unit_Id;
2230 Second_Unit : ALI.Unit_Id;
2232 Copy_Subunits : Boolean := False;
2233 -- When True, indicates that subunits, if any, need to be copied too
2235 procedure Copy (File_Name : File_Name_Type);
2236 -- Copy one source of the project to the target directory
2242 procedure Copy (File_Name : File_Name_Type) is
2244 pragma Warnings (Off, Success);
2246 Source : Standard.Prj.Source_Id;
2248 Source := Find_Source
2249 (In_Tree, For_Project,
2250 In_Extended_Only => True,
2251 Base_Name => File_Name);
2253 if Source /= No_Source
2254 and then not Source.Locally_Removed
2255 and then Source.Replaced_By = No_Source
2258 (Get_Name_String (Source.Path.Name),
2262 Preserve => Preserve);
2266 -- Start of processing for Copy_Interface_Sources
2269 -- Change the working directory to the object directory
2271 Change_Dir (Get_Name_String (For_Project.Object_Directory.Display_Name));
2273 for Index in Interfaces'Range loop
2275 -- First, load the ALI file
2278 Add_Str_To_Name_Buffer (Interfaces (Index).all);
2279 Lib_File := Name_Find;
2280 Text := Read_Library_Info (Lib_File);
2281 The_ALI := Scan_ALI (Lib_File, Text, Ignore_ED => False, Err => True);
2284 Second_Unit := No_Unit_Id;
2285 First_Unit := ALI.ALIs.Table (The_ALI).First_Unit;
2286 Copy_Subunits := True;
2288 -- If there is both a spec and a body, check if they are both needed
2290 if ALI.Units.Table (First_Unit).Utype = Is_Body then
2291 Second_Unit := ALI.ALIs.Table (The_ALI).Last_Unit;
2293 -- If the body is not needed, then reset First_Unit
2295 if not ALI.Units.Table (Second_Unit).Body_Needed_For_SAL then
2296 First_Unit := No_Unit_Id;
2297 Copy_Subunits := False;
2300 elsif ALI.Units.Table (First_Unit).Utype = Is_Spec_Only then
2301 Copy_Subunits := False;
2304 -- Copy the file(s) that need to be copied
2306 if First_Unit /= No_Unit_Id then
2307 Copy (File_Name => ALI.Units.Table (First_Unit).Sfile);
2310 if Second_Unit /= No_Unit_Id then
2311 Copy (File_Name => ALI.Units.Table (Second_Unit).Sfile);
2314 -- Copy all the separates, if any
2316 if Copy_Subunits then
2317 for Dep in ALI.ALIs.Table (The_ALI).First_Sdep ..
2318 ALI.ALIs.Table (The_ALI).Last_Sdep
2320 if Sdep.Table (Dep).Subunit_Name /= No_Name then
2321 Copy (File_Name => Sdep.Table (Dep).Sfile);
2327 -- Restore the initial working directory
2329 Change_Dir (Current);
2330 end Copy_Interface_Sources;
2336 procedure Display (Executable : String) is
2338 if not Opt.Quiet_Output then
2339 Write_Str (Executable);
2341 for Index in 1 .. Argument_Number loop
2343 Write_Str (Arguments (Index).all);
2345 if not Opt.Verbose_Mode and then Index > 4 then
2359 function Index (S, Pattern : String) return Natural is
2360 Len : constant Natural := Pattern'Length;
2363 for J in reverse S'First .. S'Last - Len + 1 loop
2364 if Pattern = S (J .. J + Len - 1) then
2372 -------------------------
2373 -- Process_Binder_File --
2374 -------------------------
2376 procedure Process_Binder_File (Name : String) is
2378 -- Binder file's descriptor
2380 Read_Mode : constant String := "r" & ASCII.NUL;
2383 Status : Interfaces.C_Streams.int;
2384 pragma Unreferenced (Status);
2387 Begin_Info : constant String := "-- BEGIN Object file/option list";
2388 End_Info : constant String := "-- END Object file/option list ";
2390 Next_Line : String (1 .. 1000);
2391 -- Current line value
2392 -- Where does this odd constant 1000 come from, looks suspicious ???
2395 -- End of line slice (the slice does not contain the line terminator)
2397 procedure Get_Next_Line;
2398 -- Read the next line from the binder file without the line terminator
2404 procedure Get_Next_Line is
2408 Fchars := fgets (Next_Line'Address, Next_Line'Length, Fd);
2410 if Fchars = System.Null_Address then
2411 Fail ("Error reading binder output");
2415 while Nlast <= Next_Line'Last
2416 and then Next_Line (Nlast) /= ASCII.LF
2417 and then Next_Line (Nlast) /= ASCII.CR
2425 -- Start of processing for Process_Binder_File
2428 Fd := fopen (Name'Address, Read_Mode'Address);
2430 if Fd = NULL_Stream then
2431 Fail ("Failed to open binder output");
2434 -- Skip up to the Begin Info line
2438 exit when Next_Line (1 .. Nlast) = Begin_Info;
2441 -- Find the first switch
2446 exit when Next_Line (1 .. Nlast) = End_Info;
2448 -- As the binder generated file is in Ada, remove the first eight
2449 -- characters " -- ".
2451 Next_Line (1 .. Nlast - 8) := Next_Line (9 .. Nlast);
2454 -- Stop when the first switch is found
2456 exit when Next_Line (1) = '-';
2459 if Next_Line (1 .. Nlast) /= End_Info then
2461 -- Ignore -static and -shared, since -shared will be used
2464 -- Ignore -lgnat, -lgnarl and -ldecgnat as they will be added
2465 -- later, because they are also needed for non Stand-Alone shared
2468 -- Also ignore the shared libraries which are :
2470 -- UNIX / Windows VMS
2471 -- -lgnat-<version> -lgnat_<version> (7 + version'length chars)
2472 -- -lgnarl-<version> -lgnarl_<version> (8 + version'length chars)
2474 if Next_Line (1 .. Nlast) /= "-static" and then
2475 Next_Line (1 .. Nlast) /= "-shared" and then
2476 Next_Line (1 .. Nlast) /= "-ldecgnat" and then
2477 Next_Line (1 .. Nlast) /= "-lgnarl" and then
2478 Next_Line (1 .. Nlast) /= "-lgnat" and then
2480 (1 .. Natural'Min (Nlast, 10 + Library_Version'Length)) /=
2481 Shared_Lib ("decgnat") and then
2483 (1 .. Natural'Min (Nlast, 8 + Library_Version'Length)) /=
2484 Shared_Lib ("gnarl") and then
2486 (1 .. Natural'Min (Nlast, 7 + Library_Version'Length)) /=
2489 if Next_Line (1) /= '-' then
2491 -- This is not an option, should we add it?
2493 if Add_Object_Files then
2494 Opts.Increment_Last;
2495 Opts.Table (Opts.Last) :=
2496 new String'(Next_Line (1 .. Nlast));
2500 -- Add all other options
2502 Opts.Increment_Last;
2503 Opts.Table (Opts.Last) :=
2504 new String'(Next_Line (1 .. Nlast));
2508 -- Next option, if any
2511 exit when Next_Line (1 .. Nlast) = End_Info;
2513 -- Remove first eight characters " -- "
2515 Next_Line (1 .. Nlast - 8) := Next_Line (9 .. Nlast);
2520 Status := fclose (Fd);
2522 -- Is it really right to ignore any close error ???
2524 end Process_Binder_File;
2530 procedure Reset_Tables is
2533 Objects_Htable.Reset;
2536 Processed_Projects.Reset;
2540 ---------------------------
2541 -- SALs_Use_Constructors --
2542 ---------------------------
2544 function SALs_Use_Constructors return Boolean is
2545 function C_SALs_Init_Using_Constructors return Integer;
2546 pragma Import (C, C_SALs_Init_Using_Constructors,
2547 "__gnat_sals_init_using_constructors");
2549 return C_SALs_Init_Using_Constructors /= 0;
2550 end SALs_Use_Constructors;