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mips.h (set_volatile): Delete.
[official-gcc.git] / gcc / ada / mlib-prj.adb
blob2805b8c97a19aa223ce0ab12823fa6ad24f070b9
1 ------------------------------------------------------------------------------
2 -- --
3 -- GNAT COMPILER COMPONENTS --
4 -- --
5 -- M L I B . P R J --
6 -- --
7 -- B o d y --
8 -- --
9 -- Copyright (C) 2001-2007, AdaCore --
10 -- --
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. --
20 -- --
21 -- GNAT was originally developed by the GNAT team at New York University. --
22 -- Extensive contributions were provided by Ada Core Technologies Inc. --
23 -- --
24 ------------------------------------------------------------------------------
25
26 with ALI; use ALI;
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;
31 with Opt;
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;
36 with Sinput.P;
37 with Snames; use Snames;
38 with Switch; use Switch;
39 with Table;
40 with Targparm; use Targparm;
41 with Tempdir;
42 with Types; use Types;
43
44 with Ada.Characters.Handling;
45
46 with GNAT.Directory_Operations; use GNAT.Directory_Operations;
47 with GNAT.HTable;
48 with Interfaces.C_Streams; use Interfaces.C_Streams;
49 with System; use System;
50 with System.Case_Util; use System.Case_Util;
51
52 package body MLib.Prj is
53
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.
60
61 ALI_Suffix : constant String := ".ali";
62
63 B_Start : String_Ptr := new String'("b~");
64 -- Prefix of bind file, changed to b__ for VMS
65
66 S_Osinte_Ads : File_Name_Type := No_File;
67 -- Name_Id for "s-osinte.ads"
68
69 S_Dec_Ads : File_Name_Type := No_File;
70 -- Name_Id for "dec.ads"
71
72 G_Trasym_Ads : File_Name_Type := No_File;
73 -- Name_Id for "g-trasym.ads"
74
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.
79
80 Argument_Number : Natural := 0;
81 -- Index of the last argument in Arguments
82
83 Initial_Argument_Max : constant := 10;
84
85 No_Main_String : aliased String := "-n";
86 No_Main : constant String_Access := No_Main_String'Access;
87
88 Output_Switch_String : aliased String := "-o";
89 Output_Switch : constant String_Access := Output_Switch_String'Access;
90
91 Compile_Switch_String : aliased String := "-c";
92 Compile_Switch : constant String_Access := Compile_Switch_String'Access;
93
94 Auto_Initialize : constant String := "-a";
95
96 -- List of objects to put inside the library
97
98 Object_Files : Argument_List_Access;
99
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,
105 Table_Initial => 50,
106 Table_Increment => 100);
107
108 package Objects_Htable is new GNAT.HTable.Simple_HTable
109 (Header_Num => Header_Num,
110 Element => Boolean,
111 No_Element => False,
112 Key => Name_Id,
113 Hash => Hash,
114 Equal => "=");
115
116 -- List of ALI files
117
118 Ali_Files : Argument_List_Access;
119
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,
125 Table_Initial => 50,
126 Table_Increment => 100);
127
128 -- List of options set in the command line
129
130 Options : Argument_List_Access;
131
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,
137 Table_Initial => 5,
138 Table_Increment => 100);
139
140 -- All the ALI file in the library
141
142 package Library_ALIs is new GNAT.HTable.Simple_HTable
143 (Header_Num => Header_Num,
144 Element => Boolean,
145 No_Element => False,
146 Key => File_Name_Type,
147 Hash => Hash,
148 Equal => "=");
149
150 -- The ALI files in the interface sets
151
152 package Interface_ALIs is new GNAT.HTable.Simple_HTable
153 (Header_Num => Header_Num,
154 Element => Boolean,
155 No_Element => False,
156 Key => File_Name_Type,
157 Hash => Hash,
158 Equal => "=");
159
160 -- The ALI files that have been processed to check if the corresponding
161 -- library unit is in the interface set.
162
163 package Processed_ALIs is new GNAT.HTable.Simple_HTable
164 (Header_Num => Header_Num,
165 Element => Boolean,
166 No_Element => False,
167 Key => File_Name_Type,
168 Hash => Hash,
169 Equal => "=");
170
171 -- The projects imported directly or indirectly
172
173 package Processed_Projects is new GNAT.HTable.Simple_HTable
174 (Header_Num => Header_Num,
175 Element => Boolean,
176 No_Element => False,
177 Key => Name_Id,
178 Hash => Hash,
179 Equal => "=");
180
181 -- The library projects imported directly or indirectly
182
183 package Library_Projs is new Table.Table (
184 Table_Component_Type => Project_Id,
185 Table_Index_Type => Integer,
186 Table_Low_Bound => 1,
187 Table_Initial => 10,
188 Table_Increment => 10,
189 Table_Name => "Make.Library_Projs");
190
191 type Build_Mode_State is (None, Static, Dynamic, Relocatable);
192
193 procedure Add_Argument (S : String);
194 -- Add one argument to Arguments array, if array is full, double its size
195
196 function ALI_File_Name (Source : String) return String;
197 -- Return the ALI file name corresponding to a source
198
199 procedure Check (Filename : String);
200 -- Check if filename is a regular file. Fail if it is not
201
202 procedure Check_Context;
203 -- Check each object files in table Object_Files
204 -- Fail if any of them is not a regular file
205
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
212
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.
216
217 function Index (S, Pattern : String) return Natural;
218 -- Return the last occurrence of Pattern in S, or 0 if none
219
220 procedure Process_Binder_File (Name : String);
221 -- For Stand-Alone libraries, get the Linker Options in the binder
222 -- generated file.
223
224 procedure Reset_Tables;
225 -- Make sure that all the above tables are empty
226 -- (Objects, Ali_Files, Options).
227
228 function SALs_Use_Constructors return Boolean;
229 -- Indicate if Stand-Alone Libraries are automatically initialized using
230 -- the constructor mechanism.
231
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.
237
238 ------------------
239 -- Add_Argument --
240 ------------------
241
242 procedure Add_Argument (S : String) is
243 begin
244 if Argument_Number = Arguments'Last then
245 declare
246 New_Args : constant String_List_Access :=
247 new String_List (1 .. 2 * Arguments'Last);
248
249 begin
250 -- Copy the String_Accesses and set them to null in Arguments
251 -- so that they will not be deallocated by the call to
252 -- Free (Arguments).
253
254 New_Args (Arguments'Range) := Arguments.all;
255 Arguments.all := (others => null);
256 Free (Arguments);
257 Arguments := New_Args;
258 end;
259 end if;
260
261 Argument_Number := Argument_Number + 1;
262 Arguments (Argument_Number) := new String'(S);
263 end Add_Argument;
264
265 -------------------
266 -- ALI_File_Name --
267 -------------------
268
269 function ALI_File_Name (Source : String) return String is
270 begin
271 -- If the source name has an extension, then replace it with
272 -- the ALI suffix.
273
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;
277 end if;
278 end loop;
279
280 -- If there is no dot, or if it is the first character, just add the
281 -- ALI suffix.
282
283 return Source & ALI_Suffix;
284 end ALI_File_Name;
285
286 -------------------
287 -- Build_Library --
288 -------------------
289
290 procedure Build_Library
291 (For_Project : Project_Id;
292 In_Tree : Project_Tree_Ref;
293 Gnatbind : String;
294 Gnatbind_Path : String_Access;
295 Gcc : String;
296 Gcc_Path : String_Access;
297 Bind : Boolean := True;
298 Link : Boolean := True)
299 is
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
303 -- gnatbind.
304
305 Size : Integer;
306 -- The number of bytes for the invocation of the gnatbind
307
308 Warning_For_Library : Boolean := False;
309 -- Set to True for the first warning about a unit missing from the
310 -- interface set.
311
312 Data : Project_Data := In_Tree.Projects.Table (For_Project);
313
314 Libgnarl_Needed : Yes_No_Unknown := Data.Libgnarl_Needed;
315 -- Set to True if library needs to be linked with libgnarl
316
317 Libdecgnat_Needed : Boolean := False;
318 -- On OpenVMS, set to True if library needs to be linked with libdecgnat
319
320 Gtrasymobj_Needed : Boolean := False;
321 -- On OpenVMS, set to True if library needs to be linked with
322 -- g-trasym.obj.
323
324 Object_Directory_Path : constant String :=
325 Get_Name_String (Data.Display_Object_Dir);
326
327 Standalone : constant Boolean := Data.Standalone_Library;
328
329 Project_Name : constant String := Get_Name_String (Data.Name);
330
331 Current_Dir : constant String := Get_Current_Dir;
332
333 Lib_Filename : String_Access;
334 Lib_Dirpath : String_Access;
335 Lib_Version : String_Access := new String'("");
336
337 The_Build_Mode : Build_Mode_State := None;
338
339 Success : Boolean := False;
340
341 Library_Options : Variable_Value := Nil_Variable_Value;
342 Library_GCC : Variable_Value := Nil_Variable_Value;
343
344 Driver_Name : Name_Id := No_Name;
345
346 In_Main_Object_Directory : Boolean := True;
347
348 There_Are_Foreign_Sources : Boolean;
349
350 Rpath : String_Access := null;
351 -- Allocated only if Path Option is supported
352
353 Rpath_Last : Natural := 0;
354 -- Index of last valid character of Rpath
355
356 Initial_Rpath_Length : constant := 200;
357 -- Initial size of Rpath, when first allocated
358
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.
362
363 First_ALI : File_Name_Type := No_File;
364 -- Store the ALI file name of a source of the library (the first found)
365
366 procedure Add_ALI_For (Source : File_Name_Type);
367 -- Add the name of the ALI file corresponding to Source to the
368 -- Arguments.
369
370 procedure Add_Rpath (Path : String);
371 -- Add a path name to Rpath
372
373 function Check_Project (P : Project_Id) return Boolean;
374 -- Returns True if P is For_Project or a project extended by For_Project
375
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.
383
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.
388
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
392 -- to Rpath.
393
394 -----------------
395 -- Add_ALI_For --
396 -----------------
397
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;
401
402 begin
403 if Bind then
404 Add_Argument (ALI);
405 end if;
406
407 Name_Len := 0;
408 Add_Str_To_Name_Buffer (S => ALI);
409 ALI_Id := Name_Find;
410
411 -- Add the ALI file name to the library ALIs
412
413 if Bind then
414 Library_ALIs.Set (ALI_Id, True);
415 end if;
416
417 -- Set First_ALI, if not already done
418
419 if First_ALI = No_File then
420 First_ALI := ALI_Id;
421 end if;
422 end Add_ALI_For;
423
424 ---------------
425 -- Add_Rpath --
426 ---------------
427
428 procedure Add_Rpath (Path : String) is
429
430 procedure Double;
431 -- Double Rpath size
432
433 ------------
434 -- Double --
435 ------------
436
437 procedure Double is
438 New_Rpath : constant String_Access :=
439 new String (1 .. 2 * Rpath'Length);
440 begin
441 New_Rpath (1 .. Rpath_Last) := Rpath (1 .. Rpath_Last);
442 Free (Rpath);
443 Rpath := New_Rpath;
444 end Double;
445
446 -- Start of processing for Add_Rpath
447
448 begin
449 -- If firt path, allocate initial Rpath
450
451 if Rpath = null then
452 Rpath := new String (1 .. Initial_Rpath_Length);
453 Rpath_Last := 0;
454
455 else
456 -- Otherwise, add a path separator between two path names
457
458 if Rpath_Last = Rpath'Last then
459 Double;
460 end if;
461
462 Rpath_Last := Rpath_Last + 1;
463 Rpath (Rpath_Last) := Path_Separator;
464 end if;
465
466 -- Increase Rpath size until it is large enough
467
468 while Rpath_Last + Path'Length > Rpath'Last loop
469 Double;
470 end loop;
471
472 -- Add the path name
473
474 Rpath (Rpath_Last + 1 .. Rpath_Last + Path'Length) := Path;
475 Rpath_Last := Rpath_Last + Path'Length;
476 end Add_Rpath;
477
478 -------------------
479 -- Check_Project --
480 -------------------
481
482 function Check_Project (P : Project_Id) return Boolean is
483 begin
484 if P = For_Project then
485 return True;
486
487 elsif P /= No_Project then
488 declare
489 Data : Project_Data :=
490 In_Tree.Projects.Table (For_Project);
491 begin
492 while Data.Extends /= No_Project loop
493 if P = Data.Extends then
494 return True;
495 end if;
496
497 Data := In_Tree.Projects.Table (Data.Extends);
498 end loop;
499 end;
500 end if;
501
502 return False;
503 end Check_Project;
504
505 ----------------
506 -- Check_Libs --
507 ----------------
508
509 procedure Check_Libs (ALI_File : String; Main_Project : Boolean) is
510 Lib_File : File_Name_Type;
511 Text : Text_Buffer_Ptr;
512 Id : ALI.ALI_Id;
513
514 begin
515 if Libgnarl_Needed /= Yes
516 or else
517 (Main_Project
518 and then OpenVMS_On_Target
519 and then ((not Libdecgnat_Needed) or (not Gtrasymobj_Needed)))
520 then
521 -- Scan the ALI file
522
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);
527
528 Id := ALI.Scan_ALI
529 (F => Lib_File,
530 T => Text,
531 Ignore_ED => False,
532 Err => True,
533 Read_Lines => "D");
534 Free (Text);
535
536 -- Look for s-osinte.ads in the dependencies
537
538 for Index in ALI.ALIs.Table (Id).First_Sdep ..
539 ALI.ALIs.Table (Id).Last_Sdep
540 loop
541 if ALI.Sdep.Table (Index).Sfile = S_Osinte_Ads then
542 Libgnarl_Needed := Yes;
543
544 if Main_Project then
545 In_Tree.Projects.Table (For_Project).Libgnarl_Needed :=
546 Yes;
547 else
548 exit;
549 end if;
550
551 elsif OpenVMS_On_Target then
552 if ALI.Sdep.Table (Index).Sfile = S_Dec_Ads then
553 Libdecgnat_Needed := True;
554
555 elsif ALI.Sdep.Table (Index).Sfile = G_Trasym_Ads then
556 Gtrasymobj_Needed := True;
557 end if;
558 end if;
559 end loop;
560 end if;
561 end Check_Libs;
562
563 -------------
564 -- Process --
565 -------------
566
567 procedure Process (The_ALI : File_Name_Type) is
568 Text : Text_Buffer_Ptr;
569 Idread : ALI_Id;
570 First_Unit : ALI.Unit_Id;
571 Last_Unit : ALI.Unit_Id;
572 Unit_Data : Unit_Record;
573 Afile : File_Name_Type;
574
575 begin
576 -- Nothing to do if the ALI file has already been processed.
577 -- This happens if an interface imports another interface.
578
579 if not Processed_ALIs.Get (The_ALI) then
580 Processed_ALIs.Set (The_ALI, True);
581 Text := Read_Library_Info (The_ALI);
582
583 if Text /= null then
584 Idread :=
585 Scan_ALI
586 (F => The_ALI,
587 T => Text,
588 Ignore_ED => False,
589 Err => True);
590 Free (Text);
591
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;
595
596 -- Process both unit (spec and body) if the body is needed
597 -- by the spec (inline or generic). Otherwise, just process
598 -- the spec.
599
600 if First_Unit /= Last_Unit and then
601 not ALI.Units.Table (Last_Unit).Body_Needed_For_SAL
602 then
603 First_Unit := Last_Unit;
604 end if;
605
606 for Unit in First_Unit .. Last_Unit loop
607 Unit_Data := ALI.Units.Table (Unit);
608
609 -- Check if each withed unit which is in the library is
610 -- also in the interface set, if it has not yet been
611 -- processed.
612
613 for W in Unit_Data.First_With .. Unit_Data.Last_With loop
614 Afile := Withs.Table (W).Afile;
615
616 if Afile /= No_File and then Library_ALIs.Get (Afile)
617 and then not Processed_ALIs.Get (Afile)
618 then
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));
625 Write_Line ("""");
626 Warning_For_Library := True;
627 end if;
628
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 ");
635
636 case Unit_Data.Utype is
637 when Is_Spec =>
638 Write_Str ("the spec of ");
639
640 when Is_Body =>
641 Write_Str ("the body of ");
642
643 when others =>
644 null;
645 end case;
646
647 Write_Str ("""");
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));
651 Write_Line ("""");
652 end if;
653
654 -- Now, process this unit
655
656 Process (Afile);
657 end if;
658 end loop;
659 end loop;
660 end if;
661 end if;
662 end if;
663 end Process;
664
665 --------------------------------
666 -- Process_Imported_Libraries --
667 --------------------------------
668
669 procedure Process_Imported_Libraries is
670 Current : Project_Id;
671
672 procedure Process_Project (Project : Project_Id);
673 -- Process Project and its imported projects recursively.
674 -- Add any library projects to table Library_Projs.
675
676 ---------------------
677 -- Process_Project --
678 ---------------------
679
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;
684
685 begin
686 -- Nothing to do if process has already been processed
687
688 if not Processed_Projects.Get (Data.Name) then
689 Processed_Projects.Set (Data.Name, True);
690
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.
694
695 while Imported /= Empty_Project_List loop
696 Element :=
697 In_Tree.Project_Lists.Table (Imported);
698
699 if Element.Project /= No_Project then
700 Process_Project (Element.Project);
701 end if;
702
703 Imported := Element.Next;
704 end loop;
705
706 -- If it is a library project, add it to Library_Projs
707
708 if Project /= For_Project and then Data.Library then
709 Library_Projs.Increment_Last;
710 Library_Projs.Table (Library_Projs.Last) := Project;
711
712 -- Check if because of this library we need to use libgnarl
713
714 if Libgnarl_Needed = Unknown then
715 if Data.Libgnarl_Needed = Unknown
716 and then Data.Object_Directory /= No_Path
717 then
718 -- Check if libgnarl is needed for this library
719
720 declare
721 Object_Dir_Path : constant String :=
722 Get_Name_String
723 (Data.Display_Object_Dir);
724 Object_Dir : Dir_Type;
725 Filename : String (1 .. 255);
726 Last : Natural;
727
728 begin
729 Open (Object_Dir, Object_Dir_Path);
730
731 -- For all entries in the object directory
732
733 loop
734 Read (Object_Dir, Filename, Last);
735 exit when Last = 0;
736
737 -- Check if it is an object file
738
739 if Is_Obj (Filename (1 .. Last)) then
740 declare
741 Object_Path : constant String :=
742 Normalize_Pathname
743 (Object_Dir_Path &
744 Directory_Separator &
745 Filename (1 .. Last));
746 ALI_File : constant String :=
747 Ext_To
748 (Object_Path, "ali");
749
750 begin
751 if Is_Regular_File (ALI_File) then
752
753 -- Find out if for this ALI file,
754 -- libgnarl is necessary.
755
756 Check_Libs
757 (ALI_File, Main_Project => False);
758
759 if Libgnarl_Needed = Yes then
760 Data.Libgnarl_Needed := Yes;
761 In_Tree.Projects.Table
762 (For_Project).Libgnarl_Needed :=
763 Yes;
764 exit;
765 end if;
766 end if;
767 end;
768 end if;
769 end loop;
770
771 Close (Object_Dir);
772 end;
773 end if;
774
775 if Data.Libgnarl_Needed = Yes then
776 Libgnarl_Needed := Yes;
777 In_Tree.Projects.Table (For_Project).Libgnarl_Needed :=
778 Yes;
779 end if;
780 end if;
781 end if;
782
783 end if;
784 end Process_Project;
785
786 -- Start of processing for Process_Imported_Libraries
787
788 begin
789 -- Build list of library projects imported directly or indirectly,
790 -- in the reverse order.
791
792 Process_Project (For_Project);
793
794 -- Add the -L and -l switches and, if the Rpath option is supported,
795 -- add the directory to the Rpath. As the library projects are in the
796 -- wrong order, process from the last to the first.
797
798 for Index in reverse 1 .. Library_Projs.Last loop
799 Current := Library_Projs.Table (Index);
800
801 Get_Name_String
802 (In_Tree.Projects.Table (Current).Display_Library_Dir);
803 Opts.Increment_Last;
804 Opts.Table (Opts.Last) :=
805 new String'("-L" & Name_Buffer (1 .. Name_Len));
806
807 if Path_Option /= null then
808 Add_Rpath (Name_Buffer (1 .. Name_Len));
809 end if;
810
811 Opts.Increment_Last;
812 Opts.Table (Opts.Last) :=
813 new String'
814 ("-l" &
815 Get_Name_String
816 (In_Tree.Projects.Table
817 (Current).Library_Name));
818 end loop;
819 end Process_Imported_Libraries;
820
821 -- Start of processing for Build_Library
822
823 begin
824 Reset_Tables;
825
826 -- Fail if project is not a library project
827
828 if not Data.Library then
829 Com.Fail ("project """, Project_Name, """ has no library");
830 end if;
831
832 -- If this is the first time Build_Library is called, get the Name_Id
833 -- of "s-osinte.ads".
834
835 if S_Osinte_Ads = No_File then
836 Name_Len := 0;
837 Add_Str_To_Name_Buffer ("s-osinte.ads");
838 S_Osinte_Ads := Name_Find;
839 end if;
840
841 if S_Dec_Ads = No_File then
842 Name_Len := 0;
843 Add_Str_To_Name_Buffer ("dec.ads");
844 S_Dec_Ads := Name_Find;
845 end if;
846
847 if G_Trasym_Ads = No_File then
848 Name_Len := 0;
849 Add_Str_To_Name_Buffer ("g-trasym.ads");
850 G_Trasym_Ads := Name_Find;
851 end if;
852
853 -- We work in the object directory
854
855 Change_Dir (Object_Directory_Path);
856
857 if Standalone then
858
859 -- Call gnatbind only if Bind is True
860
861 if Bind then
862 if Gnatbind_Path = null then
863 Com.Fail ("unable to locate ", Gnatbind);
864 end if;
865
866 if Gcc_Path = null then
867 Com.Fail ("unable to locate ", Gcc);
868 end if;
869
870 -- Allocate Arguments, if it is the first time we see a standalone
871 -- library.
872
873 if Arguments = No_Argument then
874 Arguments := new String_List (1 .. Initial_Argument_Max);
875 end if;
876
877 -- Add "-n -o b~<lib>.adb (b__<lib>.adb on VMS) -L<lib>"
878
879 Argument_Number := 2;
880 Arguments (1) := No_Main;
881 Arguments (2) := Output_Switch;
882
883 if OpenVMS_On_Target then
884 B_Start := new String'("b__");
885 end if;
886
887 Add_Argument
888 (B_Start.all & Get_Name_String (Data.Library_Name) & ".adb");
889 Add_Argument ("-L" & Get_Name_String (Data.Library_Name));
890
891 if Data.Lib_Auto_Init and then SALs_Use_Constructors then
892 Add_Argument (Auto_Initialize);
893 end if;
894
895 -- Check if Binder'Default_Switches ("Ada") is defined. If it is,
896 -- add these switches to call gnatbind.
897
898 declare
899 Binder_Package : constant Package_Id :=
900 Value_Of
901 (Name => Name_Binder,
902 In_Packages => Data.Decl.Packages,
903 In_Tree => In_Tree);
904
905 begin
906 if Binder_Package /= No_Package then
907 declare
908 Defaults : constant Array_Element_Id :=
909 Value_Of
910 (Name => Name_Default_Switches,
911 In_Arrays =>
912 In_Tree.Packages.Table
913 (Binder_Package).Decl.Arrays,
914 In_Tree => In_Tree);
915 Switches : Variable_Value := Nil_Variable_Value;
916
917 Switch : String_List_Id := Nil_String;
918
919 begin
920 if Defaults /= No_Array_Element then
921 Switches :=
922 Value_Of
923 (Index => Name_Ada,
924 Src_Index => 0,
925 In_Array => Defaults,
926 In_Tree => In_Tree);
927
928 if not Switches.Default then
929 Switch := Switches.Values;
930
931 while Switch /= Nil_String loop
932 Add_Argument
933 (Get_Name_String
934 (In_Tree.String_Elements.Table
935 (Switch).Value));
936 Switch := In_Tree.String_Elements.
937 Table (Switch).Next;
938 end loop;
939 end if;
940 end if;
941 end;
942 end if;
943 end;
944 end if;
945
946 -- Get all the ALI files of the project file. We do that even if
947 -- Bind is False, so that First_ALI is set.
948
949 declare
950 Unit : Unit_Data;
951
952 begin
953 Library_ALIs.Reset;
954 Interface_ALIs.Reset;
955 Processed_ALIs.Reset;
956
957 for Source in Unit_Table.First ..
958 Unit_Table.Last (In_Tree.Units)
959 loop
960 Unit := In_Tree.Units.Table (Source);
961
962 if Unit.File_Names (Body_Part).Name /= No_File
963 and then Unit.File_Names (Body_Part).Path /= Slash
964 then
965 if
966 Check_Project (Unit.File_Names (Body_Part).Project)
967 then
968 if Unit.File_Names (Specification).Name = No_File then
969 declare
970 Src_Ind : Source_File_Index;
971
972 begin
973 Src_Ind := Sinput.P.Load_Project_File
974 (Get_Name_String
975 (Unit.File_Names
976 (Body_Part).Path));
977
978 -- Add the ALI file only if it is not a subunit
979
980 if not
981 Sinput.P.Source_File_Is_Subunit (Src_Ind)
982 then
983 Add_ALI_For
984 (Unit.File_Names (Body_Part).Name);
985 exit when not Bind;
986 end if;
987 end;
988
989 else
990 Add_ALI_For (Unit.File_Names (Body_Part).Name);
991 exit when not Bind;
992 end if;
993 end if;
994
995 elsif Unit.File_Names (Specification).Name /= No_File
996 and then Unit.File_Names (Specification).Path /= Slash
997 and then Check_Project
998 (Unit.File_Names (Specification).Project)
999 then
1000 Add_ALI_For (Unit.File_Names (Specification).Name);
1001 exit when not Bind;
1002 end if;
1003 end loop;
1004 end;
1005
1006 -- Continue setup and call gnatbind if Bind is True
1007
1008 if Bind then
1009
1010 -- Get an eventual --RTS from the ALI file
1011
1012 if First_ALI /= No_File then
1013 declare
1014 T : Text_Buffer_Ptr;
1015 A : ALI_Id;
1016
1017 begin
1018 -- Load the ALI file
1019
1020 T := Read_Library_Info (First_ALI, True);
1021
1022 -- Read it
1023
1024 A := Scan_ALI
1025 (First_ALI, T, Ignore_ED => False, Err => False);
1026
1027 if A /= No_ALI_Id then
1028 for Index in
1029 ALI.Units.Table
1030 (ALI.ALIs.Table (A).First_Unit).First_Arg ..
1031 ALI.Units.Table
1032 (ALI.ALIs.Table (A).First_Unit).Last_Arg
1033 loop
1034 -- Look for --RTS. If found, add the switch to call
1035 -- gnatbind.
1036
1037 declare
1038 Arg : String_Ptr renames Args.Table (Index);
1039 begin
1040 if Arg'Length >= 6 and then
1041 Arg (Arg'First + 2 .. Arg'First + 5) = "RTS="
1042 then
1043 Add_Argument (Arg.all);
1044 exit;
1045 end if;
1046 end;
1047 end loop;
1048 end if;
1049 end;
1050 end if;
1051
1052 -- Set the paths
1053
1054 Set_Ada_Paths
1055 (Project => For_Project,
1056 In_Tree => In_Tree,
1057 Including_Libraries => True);
1058
1059 -- Display the gnatbind command, if not in quiet output
1060
1061 Display (Gnatbind);
1062
1063 Size := 0;
1064 for J in 1 .. Argument_Number loop
1065 Size := Size + Arguments (J)'Length + 1;
1066 end loop;
1067
1068 -- Invoke gnatbind with the arguments if the size is not too large
1069
1070 if Size <= Maximum_Size then
1071 Spawn
1072 (Gnatbind_Path.all,
1073 Arguments (1 .. Argument_Number),
1074 Success);
1075
1076 else
1077 -- Otherwise create a temporary response file
1078
1079 declare
1080 FD : File_Descriptor;
1081 Path : Path_Name_Type;
1082 Args : Argument_List (1 .. 1);
1083 EOL : constant String (1 .. 1) := (1 => ASCII.LF);
1084 Status : Integer;
1085 Succ : Boolean;
1086 Quotes_Needed : Boolean;
1087 Last_Char : Natural;
1088 Ch : Character;
1089
1090 begin
1091 Tempdir.Create_Temp_File (FD, Path);
1092 Args (1) := new String'("@" & Get_Name_String (Path));
1093
1094 for J in 1 .. Argument_Number loop
1095
1096 -- Check if the argument should be quoted
1097
1098 Quotes_Needed := False;
1099 Last_Char := Arguments (J)'Length;
1100
1101 for K in Arguments (J)'Range loop
1102 Ch := Arguments (J) (K);
1103
1104 if Ch = ' ' or else Ch = ASCII.HT or else Ch = '"' then
1105 Quotes_Needed := True;
1106 exit;
1107 end if;
1108 end loop;
1109
1110 if Quotes_Needed then
1111
1112 -- Quote the argument, doubling '"'
1113
1114 declare
1115 Arg : String (1 .. Arguments (J)'Length * 2 + 2);
1116
1117 begin
1118 Arg (1) := '"';
1119 Last_Char := 1;
1120
1121 for K in Arguments (J)'Range loop
1122 Ch := Arguments (J) (K);
1123 Last_Char := Last_Char + 1;
1124 Arg (Last_Char) := Ch;
1125
1126 if Ch = '"' then
1127 Last_Char := Last_Char + 1;
1128 Arg (Last_Char) := '"';
1129 end if;
1130 end loop;
1131
1132 Last_Char := Last_Char + 1;
1133 Arg (Last_Char) := '"';
1134
1135 Status := Write (FD, Arg'Address, Last_Char);
1136 end;
1137
1138 else
1139 Status := Write
1140 (FD,
1141 Arguments (J) (Arguments (J)'First)'Address,
1142 Last_Char);
1143 end if;
1144
1145 if Status /= Last_Char then
1146 Fail ("disk full");
1147 end if;
1148
1149 Status := Write (FD, EOL (1)'Address, 1);
1150
1151 if Status /= 1 then
1152 Fail ("disk full");
1153 end if;
1154 end loop;
1155
1156 Close (FD);
1157
1158 -- And invoke gnatbind with this this response file
1159
1160 Spawn (Gnatbind_Path.all, Args, Success);
1161
1162 Delete_File (Get_Name_String (Path), Succ);
1163
1164 if not Succ then
1165 null;
1166 end if;
1167 end;
1168 end if;
1169
1170 if not Success then
1171 Com.Fail ("could not bind standalone library ",
1172 Get_Name_String (Data.Library_Name));
1173 end if;
1174 end if;
1175
1176 -- Compile the binder generated file only if Link is true
1177
1178 if Link then
1179
1180 -- Set the paths
1181
1182 Set_Ada_Paths
1183 (Project => For_Project,
1184 In_Tree => In_Tree,
1185 Including_Libraries => True);
1186
1187 -- Invoke <gcc> -c b__<lib>.adb
1188
1189 -- Allocate Arguments, if it is the first time we see a standalone
1190 -- library.
1191
1192 if Arguments = No_Argument then
1193 Arguments := new String_List (1 .. Initial_Argument_Max);
1194 end if;
1195
1196 Argument_Number := 1;
1197 Arguments (1) := Compile_Switch;
1198
1199 if OpenVMS_On_Target then
1200 B_Start := new String'("b__");
1201 end if;
1202
1203 Add_Argument
1204 (B_Start.all & Get_Name_String (Data.Library_Name) & ".adb");
1205
1206 -- If necessary, add the PIC option
1207
1208 if PIC_Option /= "" then
1209 Add_Argument (PIC_Option);
1210 end if;
1211
1212 -- Get the back-end switches and --RTS from the ALI file
1213
1214 if First_ALI /= No_File then
1215 declare
1216 T : Text_Buffer_Ptr;
1217 A : ALI_Id;
1218
1219 begin
1220 -- Load the ALI file
1221
1222 T := Read_Library_Info (First_ALI, True);
1223
1224 -- Read it
1225
1226 A :=
1227 Scan_ALI (First_ALI, T, Ignore_ED => False, Err => False);
1228
1229 if A /= No_ALI_Id then
1230 for Index in
1231 ALI.Units.Table
1232 (ALI.ALIs.Table (A).First_Unit).First_Arg ..
1233 ALI.Units.Table
1234 (ALI.ALIs.Table (A).First_Unit).Last_Arg
1235 loop
1236 -- Do not compile with the front end switches except
1237 -- for --RTS.
1238
1239 declare
1240 Arg : String_Ptr renames Args.Table (Index);
1241 begin
1242 if not Is_Front_End_Switch (Arg.all)
1243 or else
1244 Arg (Arg'First + 2 .. Arg'First + 5) = "RTS="
1245 then
1246 Add_Argument (Arg.all);
1247 end if;
1248 end;
1249 end loop;
1250 end if;
1251 end;
1252 end if;
1253
1254 -- Now that all the arguments are set, compile the binder
1255 -- generated file.
1256
1257 Display (Gcc);
1258 Spawn
1259 (Gcc_Path.all, Arguments (1 .. Argument_Number), Success);
1260
1261 if not Success then
1262 Com.Fail
1263 ("could not compile binder generated file for library ",
1264 Get_Name_String (Data.Library_Name));
1265 end if;
1266
1267 -- Process binder generated file for pragmas Linker_Options
1268
1269 Process_Binder_File (Arguments (2).all & ASCII.NUL);
1270 end if;
1271 end if;
1272
1273 -- Build the library only if Link is True
1274
1275 if Link then
1276
1277 -- If attribute Library_GCC was specified, get the driver name
1278
1279 Library_GCC :=
1280 Value_Of (Name_Library_GCC, Data.Decl.Attributes, In_Tree);
1281
1282 if not Library_GCC.Default then
1283 Driver_Name := Library_GCC.Value;
1284 end if;
1285
1286 -- If attribute Library_Options was specified, add these additional
1287 -- options.
1288
1289 Library_Options :=
1290 Value_Of (Name_Library_Options, Data.Decl.Attributes, In_Tree);
1291
1292 if not Library_Options.Default then
1293 declare
1294 Current : String_List_Id;
1295 Element : String_Element;
1296
1297 begin
1298 Current := Library_Options.Values;
1299 while Current /= Nil_String loop
1300 Element := In_Tree.String_Elements.Table (Current);
1301 Get_Name_String (Element.Value);
1302
1303 if Name_Len /= 0 then
1304 Opts.Increment_Last;
1305 Opts.Table (Opts.Last) :=
1306 new String'(Name_Buffer (1 .. Name_Len));
1307 end if;
1308
1309 Current := Element.Next;
1310 end loop;
1311 end;
1312 end if;
1313
1314 Lib_Dirpath :=
1315 new String'(Get_Name_String (Data.Display_Library_Dir));
1316 Lib_Filename := new String'(Get_Name_String (Data.Library_Name));
1317
1318 case Data.Library_Kind is
1319 when Static =>
1320 The_Build_Mode := Static;
1321
1322 when Dynamic =>
1323 The_Build_Mode := Dynamic;
1324
1325 when Relocatable =>
1326 The_Build_Mode := Relocatable;
1327
1328 if PIC_Option /= "" then
1329 Opts.Increment_Last;
1330 Opts.Table (Opts.Last) := new String'(PIC_Option);
1331 end if;
1332 end case;
1333
1334 -- Get the library version, if any
1335
1336 if Data.Lib_Internal_Name /= No_Name then
1337 Lib_Version :=
1338 new String'(Get_Name_String (Data.Lib_Internal_Name));
1339 end if;
1340
1341 -- Add the objects found in the object directory and the object
1342 -- directories of the extended files, if any, except for generated
1343 -- object files (b~.. or B__..) from extended projects.
1344 -- When there are one or more extended files, only add an object file
1345 -- if no object file with the same name have already been added.
1346
1347 In_Main_Object_Directory := True;
1348
1349 There_Are_Foreign_Sources := Data.Other_Sources_Present;
1350
1351 loop
1352 declare
1353 Object_Dir_Path : constant String :=
1354 Get_Name_String (Data.Display_Object_Dir);
1355 Object_Dir : Dir_Type;
1356 Filename : String (1 .. 255);
1357 Last : Natural;
1358 Id : Name_Id;
1359
1360 begin
1361 Open (Dir => Object_Dir, Dir_Name => Object_Dir_Path);
1362
1363 -- For all entries in the object directory
1364
1365 loop
1366 Read (Object_Dir, Filename, Last);
1367
1368 exit when Last = 0;
1369
1370 -- Check if it is an object file
1371
1372 if Is_Obj (Filename (1 .. Last)) then
1373 declare
1374 Object_Path : constant String :=
1375 Normalize_Pathname
1376 (Object_Dir_Path & Directory_Separator &
1377 Filename (1 .. Last));
1378 C_Object_Path : String := Object_Path;
1379 C_Filename : String := Filename (1 .. Last);
1380
1381 begin
1382 Canonical_Case_File_Name (C_Object_Path);
1383 Canonical_Case_File_Name (C_Filename);
1384
1385 -- If in the object directory of an extended project,
1386 -- do not consider generated object files.
1387
1388 if In_Main_Object_Directory
1389 or else Last < 5
1390 or else C_Filename (1 .. B_Start'Length) /=
1391 B_Start.all
1392 then
1393 Name_Len := Last;
1394 Name_Buffer (1 .. Name_Len) :=
1395 C_Filename (1 .. Last);
1396 Id := Name_Find;
1397
1398 if not Objects_Htable.Get (Id) then
1399 declare
1400 ALI_File : constant String :=
1401 Ext_To
1402 (Filename (1 .. Last), "ali");
1403 ALI_Path : constant String :=
1404 Ext_To (Object_Path, "ali");
1405 Add_It : Boolean :=
1406 There_Are_Foreign_Sources
1407 or else
1408 (Last > 5
1409 and then
1410 C_Filename
1411 (1 .. B_Start'Length) =
1412 B_Start.all);
1413 Fname : File_Name_Type;
1414 Proj : Project_Id;
1415
1416 begin
1417 if Is_Regular_File (ALI_Path) then
1418
1419 -- If there is an ALI file, check if the
1420 -- object file should be added to the
1421 -- library. If there are foreign sources
1422 -- we put all object files in the library.
1423
1424 if not Add_It then
1425 for Index in
1426 1 .. Unit_Table.Last (In_Tree.Units)
1427 loop
1428 if In_Tree.Units.Table
1429 (Index).File_Names
1430 (Body_Part).Name /= No_File
1431 then
1432 Proj :=
1433 In_Tree.Units.Table (Index).
1434 File_Names
1435 (Body_Part).Project;
1436 Fname :=
1437 In_Tree.Units.Table (Index).
1438 File_Names (Body_Part).Name;
1439
1440 elsif
1441 In_Tree.Units.Table
1442 (Index).File_Names
1443 (Specification).Name /= No_File
1444 then
1445 Proj :=
1446 In_Tree.Units.Table
1447 (Index).File_Names
1448 (Specification).Project;
1449 Fname :=
1450 In_Tree.Units.Table
1451 (Index).File_Names
1452 (Specification).Name;
1453
1454 else
1455 Proj := No_Project;
1456 end if;
1457
1458 Add_It := Proj /= No_Project;
1459
1460 -- If the source is in the project
1461 -- or a project it extends, we may
1462 -- put it in the library.
1463
1464 if Add_It then
1465 Add_It := Check_Project (Proj);
1466 end if;
1467
1468 -- But we don't, if the ALI file
1469 -- does not correspond to the unit.
1470
1471 if Add_It then
1472 declare
1473 F : constant String :=
1474 Ext_To
1475 (Get_Name_String
1476 (Fname), "ali");
1477 begin
1478 Add_It := F = ALI_File;
1479 end;
1480 end if;
1481
1482 exit when Add_It;
1483 end loop;
1484 end if;
1485
1486 if Add_It then
1487 Objects_Htable.Set (Id, True);
1488 Objects.Append
1489 (new String'(Object_Path));
1490
1491 -- Record the ALI file
1492
1493 ALIs.Append (new String'(ALI_Path));
1494
1495 -- Find out if for this ALI file,
1496 -- libgnarl or libdecgnat or
1497 -- g-trasym.obj (on OpenVMS) is
1498 -- necessary.
1499
1500 Check_Libs (ALI_Path, True);
1501 end if;
1502
1503 elsif There_Are_Foreign_Sources then
1504 Objects.Append (new String'(Object_Path));
1505 end if;
1506 end;
1507 end if;
1508 end if;
1509 end;
1510 end if;
1511 end loop;
1512
1513 Close (Dir => Object_Dir);
1514
1515 exception
1516 when Directory_Error =>
1517 Com.Fail ("cannot find object directory """,
1518 Get_Name_String (Data.Object_Directory),
1519 """");
1520 end;
1521
1522 exit when Data.Extends = No_Project;
1523
1524 In_Main_Object_Directory := False;
1525 Data := In_Tree.Projects.Table (Data.Extends);
1526 end loop;
1527
1528 -- Add the -L and -l switches for the imported Library Project Files,
1529 -- and, if Path Option is supported, the library directory path names
1530 -- to Rpath.
1531
1532 Process_Imported_Libraries;
1533
1534 -- Link with libgnat and possibly libgnarl
1535
1536 Opts.Increment_Last;
1537 Opts.Table (Opts.Last) := new String'("-L" & Lib_Directory);
1538
1539 -- If Path Option is supported, add libgnat directory path name to
1540 -- Rpath.
1541
1542 if Path_Option /= null then
1543 declare
1544 Libdir : constant String := Lib_Directory;
1545 GCC_Index : Natural := 0;
1546
1547 begin
1548 Add_Rpath (Libdir);
1549
1550 -- For shared libraries, add to the Path Option the directory
1551 -- of the shared version of libgcc.
1552
1553 if The_Build_Mode /= Static then
1554 GCC_Index := Index (Libdir, "/lib/");
1555
1556 if GCC_Index = 0 then
1557 GCC_Index :=
1558 Index
1559 (Libdir,
1560 Directory_Separator & "lib" & Directory_Separator);
1561 end if;
1562
1563 if GCC_Index /= 0 then
1564 Add_Rpath (Libdir (Libdir'First .. GCC_Index + 3));
1565 end if;
1566 end if;
1567 end;
1568 end if;
1569
1570 if Libgnarl_Needed = Yes then
1571 Opts.Increment_Last;
1572
1573 if The_Build_Mode = Static then
1574 Opts.Table (Opts.Last) := new String'("-lgnarl");
1575 else
1576 Opts.Table (Opts.Last) := new String'(Shared_Lib ("gnarl"));
1577 end if;
1578 end if;
1579
1580 if Gtrasymobj_Needed then
1581 Opts.Increment_Last;
1582 Opts.Table (Opts.Last) :=
1583 new String'(Lib_Directory & "/g-trasym.obj");
1584 end if;
1585
1586 if Libdecgnat_Needed then
1587 Opts.Increment_Last;
1588
1589 Opts.Table (Opts.Last) :=
1590 new String'("-L" & Lib_Directory & "/../declib");
1591
1592 Opts.Increment_Last;
1593
1594 if The_Build_Mode = Static then
1595 Opts.Table (Opts.Last) := new String'("-ldecgnat");
1596 else
1597 Opts.Table (Opts.Last) := new String'(Shared_Lib ("decgnat"));
1598 end if;
1599 end if;
1600
1601 Opts.Increment_Last;
1602
1603 if The_Build_Mode = Static then
1604 Opts.Table (Opts.Last) := new String'("-lgnat");
1605 else
1606 Opts.Table (Opts.Last) := new String'(Shared_Lib ("gnat"));
1607 end if;
1608
1609 -- If Path Option is supported, add the necessary switch with the
1610 -- content of Rpath. As Rpath contains at least libgnat directory
1611 -- path name, it is guaranteed that it is not null.
1612
1613 if Path_Option /= null then
1614 Opts.Increment_Last;
1615 Opts.Table (Opts.Last) :=
1616 new String'(Path_Option.all & Rpath (1 .. Rpath_Last));
1617 Free (Path_Option);
1618 Free (Rpath);
1619 end if;
1620
1621 Object_Files :=
1622 new Argument_List'
1623 (Argument_List (Objects.Table (1 .. Objects.Last)));
1624
1625 Ali_Files :=
1626 new Argument_List'(Argument_List (ALIs.Table (1 .. ALIs.Last)));
1627
1628 Options :=
1629 new Argument_List'(Argument_List (Opts.Table (1 .. Opts.Last)));
1630
1631 -- We fail if there are no object to put in the library
1632 -- (Ada or foreign objects).
1633
1634 if Object_Files'Length = 0 then
1635 Com.Fail ("no object files for library """ &
1636 Lib_Filename.all & '"');
1637 end if;
1638
1639 if not Opt.Quiet_Output then
1640 Write_Eol;
1641 Write_Str ("building ");
1642 Write_Str (Ada.Characters.Handling.To_Lower
1643 (Build_Mode_State'Image (The_Build_Mode)));
1644 Write_Str (" library for project ");
1645 Write_Line (Project_Name);
1646
1647 -- Only output list of object files and ALI files in verbose mode
1648
1649 if Opt.Verbose_Mode then
1650 Write_Eol;
1651
1652 Write_Line ("object files:");
1653
1654 for Index in Object_Files'Range loop
1655 Write_Str (" ");
1656 Write_Line (Object_Files (Index).all);
1657 end loop;
1658
1659 Write_Eol;
1660
1661 if Ali_Files'Length = 0 then
1662 Write_Line ("NO ALI files");
1663
1664 else
1665 Write_Line ("ALI files:");
1666
1667 for Index in Ali_Files'Range loop
1668 Write_Str (" ");
1669 Write_Line (Ali_Files (Index).all);
1670 end loop;
1671 end if;
1672
1673 Write_Eol;
1674 end if;
1675 end if;
1676
1677 -- We check that all object files are regular files
1678
1679 Check_Context;
1680
1681 -- Delete the existing library file, if it exists. Fail if the
1682 -- library file is not writable, or if it is not possible to delete
1683 -- the file.
1684
1685 declare
1686 DLL_Name : aliased String :=
1687 Lib_Dirpath.all & Directory_Separator & DLL_Prefix &
1688 Lib_Filename.all & "." & DLL_Ext;
1689
1690 Archive_Name : aliased String :=
1691 Lib_Dirpath.all & Directory_Separator & "lib" &
1692 Lib_Filename.all & "." & Archive_Ext;
1693
1694 type Str_Ptr is access all String;
1695 -- This type is necessary to meet the accessibility rules of Ada.
1696 -- It is not possible to use String_Access here.
1697
1698 Full_Lib_Name : Str_Ptr;
1699 -- Designates the full library path name. Either DLL_Name or
1700 -- Archive_Name, depending on the library kind.
1701
1702 Success : Boolean;
1703 pragma Warnings (Off, Success);
1704 -- Used to call Delete_File
1705
1706 begin
1707 if The_Build_Mode = Static then
1708 Full_Lib_Name := Archive_Name'Access;
1709 else
1710 Full_Lib_Name := DLL_Name'Access;
1711 end if;
1712
1713 if Is_Regular_File (Full_Lib_Name.all) then
1714 if Is_Writable_File (Full_Lib_Name.all) then
1715 Delete_File (Full_Lib_Name.all, Success);
1716 end if;
1717
1718 if Is_Regular_File (Full_Lib_Name.all) then
1719 Com.Fail ("could not delete """ & Full_Lib_Name.all & """");
1720 end if;
1721 end if;
1722 end;
1723
1724 Argument_Number := 0;
1725
1726 -- If we have a standalone library, gather all the interface ALI.
1727 -- They are passed to Build_Dynamic_Library, where they are used by
1728 -- some platforms (VMS, for example) to decide what symbols should be
1729 -- exported. They are also flagged as Interface when we copy them to
1730 -- the library directory (by Copy_ALI_Files, below).
1731
1732 if Standalone then
1733 Data := In_Tree.Projects.Table (For_Project);
1734
1735 declare
1736 Iface : String_List_Id := Data.Lib_Interface_ALIs;
1737 ALI : File_Name_Type;
1738
1739 begin
1740 while Iface /= Nil_String loop
1741 ALI :=
1742 File_Name_Type
1743 (In_Tree.String_Elements.Table (Iface).Value);
1744 Interface_ALIs.Set (ALI, True);
1745 Get_Name_String
1746 (In_Tree.String_Elements.Table (Iface).Value);
1747 Add_Argument (Name_Buffer (1 .. Name_Len));
1748 Iface := In_Tree.String_Elements.Table (Iface).Next;
1749 end loop;
1750
1751 Iface := Data.Lib_Interface_ALIs;
1752
1753 if not Opt.Quiet_Output then
1754
1755 -- Check that the interface set is complete: any unit in the
1756 -- library that is needed by an interface should also be an
1757 -- interface. If it is not the case, output a warning.
1758
1759 while Iface /= Nil_String loop
1760 ALI :=
1761 File_Name_Type
1762 (In_Tree.String_Elements.Table (Iface).Value);
1763 Process (ALI);
1764 Iface := In_Tree.String_Elements.Table (Iface).Next;
1765 end loop;
1766 end if;
1767 end;
1768 end if;
1769
1770 declare
1771 Current_Dir : constant String := Get_Current_Dir;
1772 Dir : Dir_Type;
1773
1774 Name : String (1 .. 200);
1775 Last : Natural;
1776
1777 Disregard : Boolean;
1778 pragma Warnings (Off, Disregard);
1779
1780 DLL_Name : aliased constant String :=
1781 Lib_Filename.all & "." & DLL_Ext;
1782
1783 Archive_Name : aliased constant String :=
1784 Lib_Filename.all & "." & Archive_Ext;
1785
1786 Delete : Boolean := False;
1787
1788 begin
1789 -- Clean the library directory: remove any file with the name of
1790 -- the library file and any ALI file of a source of the project.
1791
1792 begin
1793 Get_Name_String
1794 (In_Tree.Projects.Table (For_Project).Library_Dir);
1795 Change_Dir (Name_Buffer (1 .. Name_Len));
1796
1797 exception
1798 when others =>
1799 Com.Fail
1800 ("unable to access library directory """,
1801 Name_Buffer (1 .. Name_Len),
1802 """");
1803 end;
1804
1805 Open (Dir, ".");
1806
1807 loop
1808 Read (Dir, Name, Last);
1809 exit when Last = 0;
1810
1811 declare
1812 Filename : constant String := Name (1 .. Last);
1813
1814 begin
1815 if Is_Regular_File (Filename) then
1816 Canonical_Case_File_Name (Name (1 .. Last));
1817 Delete := False;
1818
1819 if (The_Build_Mode = Static and then
1820 Name (1 .. Last) = Archive_Name)
1821 or else
1822 ((The_Build_Mode = Dynamic or else
1823 The_Build_Mode = Relocatable)
1824 and then
1825 Name (1 .. Last) = DLL_Name)
1826 then
1827 Delete := True;
1828
1829 elsif Last > 4
1830 and then Name (Last - 3 .. Last) = ".ali"
1831 then
1832 declare
1833 Unit : Unit_Data;
1834
1835 begin
1836 -- Compare with ALI file names of the project
1837
1838 for Index in
1839 1 .. Unit_Table.Last (In_Tree.Units)
1840 loop
1841 Unit := In_Tree.Units.Table (Index);
1842
1843 if Unit.File_Names (Body_Part).Project /=
1844 No_Project
1845 then
1846 if Ultimate_Extension_Of
1847 (Unit.File_Names (Body_Part).Project,
1848 In_Tree) = For_Project
1849 then
1850 Get_Name_String
1851 (Unit.File_Names (Body_Part).Name);
1852 Name_Len := Name_Len -
1853 File_Extension
1854 (Name (1 .. Name_Len))'Length;
1855 if Name_Buffer (1 .. Name_Len) =
1856 Name (1 .. Last - 4)
1857 then
1858 Delete := True;
1859 exit;
1860 end if;
1861 end if;
1862
1863 elsif Ultimate_Extension_Of
1864 (Unit.File_Names (Specification).Project,
1865 In_Tree) = For_Project
1866 then
1867 Get_Name_String
1868 (Unit.File_Names (Specification).Name);
1869 Name_Len :=
1870 Name_Len -
1871 File_Extension
1872 (Name (1 .. Name_Len))'Length;
1873
1874 if Name_Buffer (1 .. Name_Len) =
1875 Name (1 .. Last - 4)
1876 then
1877 Delete := True;
1878 exit;
1879 end if;
1880 end if;
1881 end loop;
1882 end;
1883 end if;
1884
1885 if Delete then
1886 Set_Writable (Filename);
1887 Delete_File (Filename, Disregard);
1888 end if;
1889 end if;
1890 end;
1891 end loop;
1892
1893 Close (Dir);
1894
1895 Change_Dir (Current_Dir);
1896 end;
1897
1898 -- Call procedure to build the library, depending on the build mode
1899
1900 case The_Build_Mode is
1901 when Dynamic | Relocatable =>
1902 Build_Dynamic_Library
1903 (Ofiles => Object_Files.all,
1904 Options => Options.all,
1905 Interfaces => Arguments (1 .. Argument_Number),
1906 Lib_Filename => Lib_Filename.all,
1907 Lib_Dir => Lib_Dirpath.all,
1908 Symbol_Data => Data.Symbol_Data,
1909 Driver_Name => Driver_Name,
1910 Lib_Version => Lib_Version.all,
1911 Auto_Init => Data.Lib_Auto_Init);
1912
1913 when Static =>
1914 MLib.Build_Library
1915 (Object_Files.all,
1916 Lib_Filename.all,
1917 Lib_Dirpath.all);
1918
1919 when None =>
1920 null;
1921 end case;
1922
1923 -- We need to copy the ALI files from the object directory to the
1924 -- library ALI directory, so that the linker find them there, and
1925 -- does not need to look in the object directory where it would also
1926 -- find the object files; and we don't want that: we want the linker
1927 -- to use the library.
1928
1929 -- Copy the ALI files and make the copies read-only. For interfaces,
1930 -- mark the copies as interfaces.
1931
1932 Copy_ALI_Files
1933 (Files => Ali_Files.all,
1934 To => In_Tree.Projects.Table (For_Project).Library_ALI_Dir,
1935 Interfaces => Arguments (1 .. Argument_Number));
1936
1937 -- Copy interface sources if Library_Src_Dir specified
1938
1939 if Standalone
1940 and then In_Tree.Projects.Table
1941 (For_Project).Library_Src_Dir /= No_Path
1942 then
1943 -- Clean the interface copy directory: remove any source that
1944 -- could be a source of the project.
1945
1946 begin
1947 Get_Name_String
1948 (In_Tree.Projects.Table (For_Project).Library_Src_Dir);
1949 Change_Dir (Name_Buffer (1 .. Name_Len));
1950
1951 exception
1952 when others =>
1953 Com.Fail
1954 ("unable to access library source copy directory """,
1955 Name_Buffer (1 .. Name_Len),
1956 """");
1957 end;
1958
1959 declare
1960 Dir : Dir_Type;
1961 Delete : Boolean := False;
1962 Unit : Unit_Data;
1963
1964 Name : String (1 .. 200);
1965 Last : Natural;
1966
1967 Disregard : Boolean;
1968 pragma Warnings (Off, Disregard);
1969
1970 begin
1971 Open (Dir, ".");
1972
1973 loop
1974 Read (Dir, Name, Last);
1975 exit when Last = 0;
1976
1977 if Is_Regular_File (Name (1 .. Last)) then
1978 Canonical_Case_File_Name (Name (1 .. Last));
1979 Delete := False;
1980
1981 -- Compare with source file names of the project
1982
1983 for Index in 1 .. Unit_Table.Last (In_Tree.Units) loop
1984 Unit := In_Tree.Units.Table (Index);
1985
1986 if Ultimate_Extension_Of
1987 (Unit.File_Names (Body_Part).Project, In_Tree) =
1988 For_Project
1989 and then
1990 Get_Name_String
1991 (Unit.File_Names (Body_Part).Name) =
1992 Name (1 .. Last)
1993 then
1994 Delete := True;
1995 exit;
1996 end if;
1997
1998 if Ultimate_Extension_Of
1999 (Unit.File_Names (Specification).Project, In_Tree) =
2000 For_Project
2001 and then
2002 Get_Name_String
2003 (Unit.File_Names (Specification).Name) =
2004 Name (1 .. Last)
2005 then
2006 Delete := True;
2007 exit;
2008 end if;
2009 end loop;
2010 end if;
2011
2012 if Delete then
2013 Set_Writable (Name (1 .. Last));
2014 Delete_File (Name (1 .. Last), Disregard);
2015 end if;
2016 end loop;
2017
2018 Close (Dir);
2019 end;
2020
2021 Copy_Interface_Sources
2022 (For_Project => For_Project,
2023 In_Tree => In_Tree,
2024 Interfaces => Arguments (1 .. Argument_Number),
2025 To_Dir => In_Tree.Projects.Table
2026 (For_Project).Display_Library_Src_Dir);
2027 end if;
2028 end if;
2029
2030 -- Reset the current working directory to its previous value
2031
2032 Change_Dir (Current_Dir);
2033 end Build_Library;
2034
2035 -----------
2036 -- Check --
2037 -----------
2038
2039 procedure Check (Filename : String) is
2040 begin
2041 if not Is_Regular_File (Filename) then
2042 Com.Fail (Filename, " not found.");
2043 end if;
2044 end Check;
2045
2046 -------------------
2047 -- Check_Context --
2048 -------------------
2049
2050 procedure Check_Context is
2051 begin
2052 -- Check that each object file exists
2053
2054 for F in Object_Files'Range loop
2055 Check (Object_Files (F).all);
2056 end loop;
2057 end Check_Context;
2058
2059 -------------------
2060 -- Check_Library --
2061 -------------------
2062
2063 procedure Check_Library
2064 (For_Project : Project_Id; In_Tree : Project_Tree_Ref)
2065 is
2066 Data : constant Project_Data :=
2067 In_Tree.Projects.Table (For_Project);
2068 Lib_TS : Time_Stamp_Type;
2069 Current : constant Dir_Name_Str := Get_Current_Dir;
2070
2071 begin
2072 -- No need to build the library if there is no object directory,
2073 -- hence no object files to build the library.
2074
2075 if Data.Library then
2076 declare
2077 Lib_Name : constant File_Name_Type :=
2078 Library_File_Name_For (For_Project, In_Tree);
2079 begin
2080 Change_Dir (Get_Name_String (Data.Library_Dir));
2081 Lib_TS := File_Stamp (Lib_Name);
2082 In_Tree.Projects.Table (For_Project).Library_TS := Lib_TS;
2083 end;
2084
2085 if not Data.Externally_Built
2086 and then not Data.Need_To_Build_Lib
2087 and then Data.Object_Directory /= No_Path
2088 then
2089 declare
2090 Obj_TS : Time_Stamp_Type;
2091 Object_Dir : Dir_Type;
2092
2093 begin
2094 if OpenVMS_On_Target then
2095 B_Start := new String'("b__");
2096 end if;
2097
2098 -- If the library file does not exist, then the time stamp will
2099 -- be Empty_Time_Stamp, earlier than any other time stamp.
2100
2101 Change_Dir (Get_Name_String (Data.Object_Directory));
2102 Open (Dir => Object_Dir, Dir_Name => ".");
2103
2104 -- For all entries in the object directory
2105
2106 loop
2107 Read (Object_Dir, Name_Buffer, Name_Len);
2108 exit when Name_Len = 0;
2109
2110 -- Check if it is an object file, but ignore any binder
2111 -- generated file.
2112
2113 if Is_Obj (Name_Buffer (1 .. Name_Len))
2114 and then Name_Buffer (1 .. B_Start'Length) /= B_Start.all
2115 then
2116 -- Get the object file time stamp
2117
2118 Obj_TS := File_Stamp (File_Name_Type'(Name_Find));
2119
2120 -- If library file time stamp is earlier, set
2121 -- Need_To_Build_Lib and return. String comparaison is
2122 -- used, otherwise time stamps may be too close and the
2123 -- comparaison would return True, which would trigger
2124 -- an unnecessary rebuild of the library.
2125
2126 if String (Lib_TS) < String (Obj_TS) then
2127
2128 -- Library must be rebuilt
2129
2130 In_Tree.Projects.Table
2131 (For_Project).Need_To_Build_Lib := True;
2132 exit;
2133 end if;
2134 end if;
2135 end loop;
2136
2137 Close (Object_Dir);
2138 end;
2139 end if;
2140
2141 Change_Dir (Current);
2142 end if;
2143 end Check_Library;
2144
2145 ----------------------------
2146 -- Copy_Interface_Sources --
2147 ----------------------------
2148
2149 procedure Copy_Interface_Sources
2150 (For_Project : Project_Id;
2151 In_Tree : Project_Tree_Ref;
2152 Interfaces : Argument_List;
2153 To_Dir : Path_Name_Type)
2154 is
2155 Current : constant Dir_Name_Str := Get_Current_Dir;
2156 -- The current directory, where to return to at the end
2157
2158 Target : constant Dir_Name_Str := Get_Name_String (To_Dir);
2159 -- The directory where to copy sources
2160
2161 Text : Text_Buffer_Ptr;
2162 The_ALI : ALI.ALI_Id;
2163 Lib_File : File_Name_Type;
2164
2165 First_Unit : ALI.Unit_Id;
2166 Second_Unit : ALI.Unit_Id;
2167
2168 Data : Unit_Data;
2169
2170 Copy_Subunits : Boolean := False;
2171 -- When True, indicates that subunits, if any, need to be copied too
2172
2173 procedure Copy (File_Name : File_Name_Type);
2174 -- Copy one source of the project to the target directory
2175
2176 function Is_Same_Or_Extension
2177 (Extending : Project_Id;
2178 Extended : Project_Id) return Boolean;
2179 -- Return True if project Extending is equal to or extends project
2180 -- Extended.
2181
2182 ----------
2183 -- Copy --
2184 ----------
2185
2186 procedure Copy (File_Name : File_Name_Type) is
2187 Success : Boolean;
2188 pragma Warnings (Off, Success);
2189
2190 begin
2191 Unit_Loop :
2192 for Index in Unit_Table.First ..
2193 Unit_Table.Last (In_Tree.Units)
2194 loop
2195 Data := In_Tree.Units.Table (Index);
2196
2197 -- Find and copy the immediate or inherited source
2198
2199 for J in Data.File_Names'Range loop
2200 if Is_Same_Or_Extension
2201 (For_Project, Data.File_Names (J).Project)
2202 and then Data.File_Names (J).Name = File_Name
2203 then
2204 Copy_File
2205 (Get_Name_String (Data.File_Names (J).Path),
2206 Target,
2207 Success,
2208 Mode => Overwrite,
2209 Preserve => Preserve);
2210 exit Unit_Loop;
2211 end if;
2212 end loop;
2213 end loop Unit_Loop;
2214 end Copy;
2215
2216 --------------------------
2217 -- Is_Same_Or_Extension --
2218 --------------------------
2219
2220 function Is_Same_Or_Extension
2221 (Extending : Project_Id;
2222 Extended : Project_Id) return Boolean
2223 is
2224 Ext : Project_Id;
2225
2226 begin
2227 Ext := Extending;
2228 while Ext /= No_Project loop
2229 if Ext = Extended then
2230 return True;
2231 end if;
2232
2233 Ext := In_Tree.Projects.Table (Ext).Extends;
2234 end loop;
2235
2236 return False;
2237 end Is_Same_Or_Extension;
2238
2239 -- Start of processing for Copy_Interface_Sources
2240
2241 begin
2242 -- Change the working directory to the object directory
2243
2244 Change_Dir
2245 (Get_Name_String
2246 (In_Tree.Projects.Table
2247 (For_Project).Object_Directory));
2248
2249 for Index in Interfaces'Range loop
2250
2251 -- First, load the ALI file
2252
2253 Name_Len := 0;
2254 Add_Str_To_Name_Buffer (Interfaces (Index).all);
2255 Lib_File := Name_Find;
2256 Text := Read_Library_Info (Lib_File);
2257 The_ALI := Scan_ALI (Lib_File, Text, Ignore_ED => False, Err => True);
2258 Free (Text);
2259
2260 Second_Unit := No_Unit_Id;
2261 First_Unit := ALI.ALIs.Table (The_ALI).First_Unit;
2262 Copy_Subunits := True;
2263
2264 -- If there is both a spec and a body, check if they are both needed
2265
2266 if ALI.Units.Table (First_Unit).Utype = Is_Body then
2267 Second_Unit := ALI.ALIs.Table (The_ALI).Last_Unit;
2268
2269 -- If the body is not needed, then reset First_Unit
2270
2271 if not ALI.Units.Table (Second_Unit).Body_Needed_For_SAL then
2272 First_Unit := No_Unit_Id;
2273 Copy_Subunits := False;
2274 end if;
2275
2276 elsif ALI.Units.Table (First_Unit).Utype = Is_Spec_Only then
2277 Copy_Subunits := False;
2278 end if;
2279
2280 -- Copy the file(s) that need to be copied
2281
2282 if First_Unit /= No_Unit_Id then
2283 Copy (File_Name => ALI.Units.Table (First_Unit).Sfile);
2284 end if;
2285
2286 if Second_Unit /= No_Unit_Id then
2287 Copy (File_Name => ALI.Units.Table (Second_Unit).Sfile);
2288 end if;
2289
2290 -- Copy all the separates, if any
2291
2292 if Copy_Subunits then
2293 for Dep in ALI.ALIs.Table (The_ALI).First_Sdep ..
2294 ALI.ALIs.Table (The_ALI).Last_Sdep
2295 loop
2296 if Sdep.Table (Dep).Subunit_Name /= No_Name then
2297 Copy (File_Name => Sdep.Table (Dep).Sfile);
2298 end if;
2299 end loop;
2300 end if;
2301 end loop;
2302
2303 -- Restore the initial working directory
2304
2305 Change_Dir (Current);
2306 end Copy_Interface_Sources;
2307
2308 -------------
2309 -- Display --
2310 -------------
2311
2312 procedure Display (Executable : String) is
2313 begin
2314 if not Opt.Quiet_Output then
2315 Write_Str (Executable);
2316
2317 for Index in 1 .. Argument_Number loop
2318 Write_Char (' ');
2319 Write_Str (Arguments (Index).all);
2320 end loop;
2321
2322 Write_Eol;
2323 end if;
2324 end Display;
2325
2326 -----------
2327 -- Index --
2328 -----------
2329
2330 function Index (S, Pattern : String) return Natural is
2331 Len : constant Natural := Pattern'Length;
2332
2333 begin
2334 for J in reverse S'First .. S'Last - Len + 1 loop
2335 if Pattern = S (J .. J + Len - 1) then
2336 return J;
2337 end if;
2338 end loop;
2339
2340 return 0;
2341 end Index;
2342
2343 -------------------------
2344 -- Process_Binder_File --
2345 -------------------------
2346
2347 procedure Process_Binder_File (Name : String) is
2348 Fd : FILEs;
2349 -- Binder file's descriptor
2350
2351 Read_Mode : constant String := "r" & ASCII.Nul;
2352 -- For fopen
2353
2354 Status : Interfaces.C_Streams.int;
2355 pragma Unreferenced (Status);
2356 -- For fclose
2357
2358 Begin_Info : constant String := "-- BEGIN Object file/option list";
2359 End_Info : constant String := "-- END Object file/option list ";
2360
2361 Next_Line : String (1 .. 1000);
2362 -- Current line value
2363 -- Where does this odd constant 1000 come from, looks suspicious ???
2364
2365 Nlast : Integer;
2366 -- End of line slice (the slice does not contain the line terminator)
2367
2368 procedure Get_Next_Line;
2369 -- Read the next line from the binder file without the line terminator
2370
2371 -------------------
2372 -- Get_Next_Line --
2373 -------------------
2374
2375 procedure Get_Next_Line is
2376 Fchars : chars;
2377
2378 begin
2379 Fchars := fgets (Next_Line'Address, Next_Line'Length, Fd);
2380
2381 if Fchars = System.Null_Address then
2382 Fail ("Error reading binder output");
2383 end if;
2384
2385 Nlast := 1;
2386 while Nlast <= Next_Line'Last
2387 and then Next_Line (Nlast) /= ASCII.LF
2388 and then Next_Line (Nlast) /= ASCII.CR
2389 loop
2390 Nlast := Nlast + 1;
2391 end loop;
2392
2393 Nlast := Nlast - 1;
2394 end Get_Next_Line;
2395
2396 -- Start of processing for Process_Binder_File
2397
2398 begin
2399 Fd := fopen (Name'Address, Read_Mode'Address);
2400
2401 if Fd = NULL_Stream then
2402 Fail ("Failed to open binder output");
2403 end if;
2404
2405 -- Skip up to the Begin Info line
2406
2407 loop
2408 Get_Next_Line;
2409 exit when Next_Line (1 .. Nlast) = Begin_Info;
2410 end loop;
2411
2412 -- Find the first switch
2413
2414 loop
2415 Get_Next_Line;
2416
2417 exit when Next_Line (1 .. Nlast) = End_Info;
2418
2419 -- As the binder generated file is in Ada, remove the first eight
2420 -- characters " -- ".
2421
2422 Next_Line (1 .. Nlast - 8) := Next_Line (9 .. Nlast);
2423 Nlast := Nlast - 8;
2424
2425 -- Stop when the first switch is found
2426
2427 exit when Next_Line (1) = '-';
2428 end loop;
2429
2430 if Next_Line (1 .. Nlast) /= End_Info then
2431 loop
2432 -- Ignore -static and -shared, since -shared will be used
2433 -- in any case.
2434
2435 -- Ignore -lgnat, -lgnarl and -ldecgnat as they will be added
2436 -- later, because they are also needed for non Stand-Alone shared
2437 -- libraries.
2438
2439 -- Also ignore the shared libraries which are :
2440
2441 -- UNIX / Windows VMS
2442 -- -lgnat-<version> -lgnat_<version> (7 + version'length chars)
2443 -- -lgnarl-<version> -lgnarl_<version> (8 + version'length chars)
2444
2445 if Next_Line (1 .. Nlast) /= "-static" and then
2446 Next_Line (1 .. Nlast) /= "-shared" and then
2447 Next_Line (1 .. Nlast) /= "-ldecgnat" and then
2448 Next_Line (1 .. Nlast) /= "-lgnarl" and then
2449 Next_Line (1 .. Nlast) /= "-lgnat" and then
2450 Next_Line
2451 (1 .. Natural'Min (Nlast, 10 + Library_Version'Length)) /=
2452 Shared_Lib ("decgnat") and then
2453 Next_Line
2454 (1 .. Natural'Min (Nlast, 8 + Library_Version'Length)) /=
2455 Shared_Lib ("gnarl") and then
2456 Next_Line
2457 (1 .. Natural'Min (Nlast, 7 + Library_Version'Length)) /=
2458 Shared_Lib ("gnat")
2459 then
2460 if Next_Line (1) /= '-' then
2461
2462 -- This is not an option, should we add it?
2463
2464 if Add_Object_Files then
2465 Opts.Increment_Last;
2466 Opts.Table (Opts.Last) :=
2467 new String'(Next_Line (1 .. Nlast));
2468 end if;
2469
2470 else
2471 -- Add all other options
2472
2473 Opts.Increment_Last;
2474 Opts.Table (Opts.Last) :=
2475 new String'(Next_Line (1 .. Nlast));
2476 end if;
2477 end if;
2478
2479 -- Next option, if any
2480
2481 Get_Next_Line;
2482 exit when Next_Line (1 .. Nlast) = End_Info;
2483
2484 -- Remove first eight characters " -- "
2485
2486 Next_Line (1 .. Nlast - 8) := Next_Line (9 .. Nlast);
2487 Nlast := Nlast - 8;
2488 end loop;
2489 end if;
2490
2491 Status := fclose (Fd);
2492
2493 -- Is it really right to ignore any close error ???
2494
2495 end Process_Binder_File;
2496
2497 ------------------
2498 -- Reset_Tables --
2499 ------------------
2500
2501 procedure Reset_Tables is
2502 begin
2503 Objects.Init;
2504 Objects_Htable.Reset;
2505 ALIs.Init;
2506 Opts.Init;
2507 Processed_Projects.Reset;
2508 Library_Projs.Init;
2509 end Reset_Tables;
2510
2511 ---------------------------
2512 -- SALs_Use_Constructors --
2513 ---------------------------
2514
2515 function SALs_Use_Constructors return Boolean is
2516 function C_SALs_Init_Using_Constructors return Integer;
2517 pragma Import (C, C_SALs_Init_Using_Constructors,
2518 "__gnat_sals_init_using_constructors");
2519 begin
2520 return C_SALs_Init_Using_Constructors /= 0;
2521 end SALs_Use_Constructors;
2522
2523 ---------------------------
2524 -- Ultimate_Extension_Of --
2525 ---------------------------
2526
2527 function Ultimate_Extension_Of
2528 (Project : Project_Id;
2529 In_Tree : Project_Tree_Ref) return Project_Id
2530 is
2531 Result : Project_Id := Project;
2532 Data : Project_Data;
2533
2534 begin
2535 if Project /= No_Project then
2536 loop
2537 Data := In_Tree.Projects.Table (Result);
2538 exit when Data.Extended_By = No_Project;
2539 Result := Data.Extended_By;
2540 end loop;
2541 end if;
2542
2543 return Result;
2544 end Ultimate_Extension_Of;
2545
2546 end MLib.Prj;
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