1 ------------------------------------------------------------------------------
3 -- GNAT COMPILER COMPONENTS --
9 -- Copyright (C) 1999-2007, 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 ------------------------------------------------------------------------------
26 with Ada.Characters.Handling; use Ada.Characters.Handling;
27 with Interfaces.C.Strings;
32 with Output; use Output;
34 with MLib.Utl; use MLib.Utl;
38 with GNAT.Directory_Operations; use GNAT.Directory_Operations;
46 procedure Build_Library
47 (Ofiles : Argument_List;
52 if Opt.Verbose_Mode and not Opt.Quiet_Output then
53 Write_Line ("building a library...");
55 Write_Line (Output_File);
58 Ar (Output_Dir & Directory_Separator &
59 "lib" & Output_File & ".a", Objects => Ofiles);
62 ------------------------
63 -- Check_Library_Name --
64 ------------------------
66 procedure Check_Library_Name (Name : String) is
68 if Name'Length = 0 then
69 Prj.Com.Fail ("library name cannot be empty");
72 if Name'Length > Max_Characters_In_Library_Name then
73 Prj.Com.Fail ("illegal library name """, Name, """: too long");
76 if not Is_Letter (Name (Name'First)) then
77 Prj.Com.Fail ("illegal library name """,
79 """: should start with a letter");
82 for Index in Name'Range loop
83 if not Is_Alphanumeric (Name (Index)) then
84 Prj.Com.Fail ("illegal library name """,
86 """: should include only letters and digits");
89 end Check_Library_Name;
95 procedure Copy_ALI_Files
96 (Files : Argument_List;
98 Interfaces : String_List)
100 Success : Boolean := False;
101 To_Dir : constant String := Get_Name_String (To);
102 Is_Interface : Boolean := False;
104 procedure Verbose_Copy (Index : Positive);
105 -- In verbose mode, output a message that the indexed file is copied
106 -- to the destination directory.
112 procedure Verbose_Copy (Index : Positive) is
114 if Opt.Verbose_Mode then
115 Write_Str ("Copying """);
116 Write_Str (Files (Index).all);
117 Write_Str (""" to """);
123 -- Start of processing for Copy_ALI_Files
126 if Interfaces'Length = 0 then
128 -- If there are no Interfaces, copy all the ALI files as is
130 for Index in Files'Range loop
131 Verbose_Copy (Index);
134 Directory_Separator &
135 Base_Name (Files (Index).all));
141 Preserve => Preserve);
143 exit when not Success;
147 -- Copy only the interface ALI file, and put the special indicator
148 -- "SL" on the P line.
150 for Index in Files'Range loop
153 File_Name : String := Base_Name (Files (Index).all);
156 Canonical_Case_File_Name (File_Name);
158 -- Check if this is one of the interface ALIs
160 Is_Interface := False;
162 for Index in Interfaces'Range loop
163 if File_Name = Interfaces (Index).all then
164 Is_Interface := True;
169 -- If it is an interface ALI, copy line by line. Insert
170 -- the interface indication at the end of the P line.
171 -- Do not copy ALI files that are not Interfaces.
175 Verbose_Copy (Index);
178 Directory_Separator &
179 Base_Name (Files (Index).all));
182 FD : File_Descriptor;
184 Actual_Len : Integer;
187 P_Line_Found : Boolean;
193 Name_Len := Files (Index)'Length;
194 Name_Buffer (1 .. Name_Len) := Files (Index).all;
195 Name_Len := Name_Len + 1;
196 Name_Buffer (Name_Len) := ASCII.NUL;
198 FD := Open_Read (Name_Buffer'Address, Binary);
200 if FD /= Invalid_FD then
201 Len := Integer (File_Length (FD));
203 S := new String (1 .. Len + 3);
205 -- Read the file. Note that the loop is not necessary
206 -- since the whole file is read at once except on VMS.
211 while Actual_Len /= 0 loop
212 Actual_Len := Read (FD, S (Curr)'Address, Len);
213 Curr := Curr + Actual_Len;
216 -- We are done with the input file, so we close it
217 -- ignoring any bad status.
221 P_Line_Found := False;
223 -- Look for the P line. When found, add marker SL
224 -- at the beginning of the P line.
226 for Index in 1 .. Len - 3 loop
227 if (S (Index) = ASCII.LF or else
228 S (Index) = ASCII.CR)
232 S (Index + 5 .. Len + 3) := S (Index + 2 .. Len);
233 S (Index + 2 .. Index + 4) := " SL";
234 P_Line_Found := True;
241 -- Create new modified ALI file
243 Name_Len := To_Dir'Length;
244 Name_Buffer (1 .. Name_Len) := To_Dir;
245 Name_Len := Name_Len + 1;
246 Name_Buffer (Name_Len) := Directory_Separator;
248 (Name_Len + 1 .. Name_Len + File_Name'Length) :=
250 Name_Len := Name_Len + File_Name'Length + 1;
251 Name_Buffer (Name_Len) := ASCII.NUL;
253 FD := Create_File (Name_Buffer'Address, Binary);
255 -- Write the modified text and close the newly
258 if FD /= Invalid_FD then
259 Actual_Len := Write (FD, S (1)'Address, Len + 3);
263 -- Set Success to True only if the newly
264 -- created file has been correctly written.
266 Success := Status and Actual_Len = Len + 3;
270 Name_Buffer (1 .. Name_Len - 1));
277 -- This is not an interface ALI
285 Prj.Com.Fail ("could not copy ALI files to library dir");
291 ----------------------
292 -- Create_Sym_Links --
293 ----------------------
295 procedure Create_Sym_Links
297 Lib_Version : String;
299 Maj_Version : String)
302 (Oldpath : System.Address;
303 Newpath : System.Address) return Integer;
304 pragma Import (C, Symlink, "__gnat_symlink");
307 Version_Path : String_Access;
310 pragma Unreferenced (Result);
313 if Is_Absolute_Path (Lib_Version) then
314 Version_Path := new String (1 .. Lib_Version'Length + 1);
315 Version_Path (1 .. Lib_Version'Length) := Lib_Version;
319 new String (1 .. Lib_Dir'Length + 1 + Lib_Version'Length + 1);
320 Version_Path (1 .. Version_Path'Last - 1) :=
321 Lib_Dir & Directory_Separator & Lib_Version;
324 Version_Path (Version_Path'Last) := ASCII.NUL;
326 if Maj_Version'Length = 0 then
328 Newpath : String (1 .. Lib_Path'Length + 1);
330 Newpath (1 .. Lib_Path'Length) := Lib_Path;
331 Newpath (Newpath'Last) := ASCII.NUL;
332 Delete_File (Lib_Path, Success);
333 Result := Symlink (Version_Path (1)'Address, Newpath'Address);
338 Newpath1 : String (1 .. Lib_Path'Length + 1);
339 Maj_Path : constant String :=
340 Lib_Dir & Directory_Separator & Maj_Version;
341 Newpath2 : String (1 .. Maj_Path'Length + 1);
344 Newpath1 (1 .. Lib_Path'Length) := Lib_Path;
345 Newpath1 (Newpath1'Last) := ASCII.NUL;
347 Newpath2 (1 .. Maj_Path'Length) := Maj_Path;
348 Newpath2 (Newpath2'Last) := ASCII.NUL;
350 Delete_File (Maj_Path, Success);
352 Result := Symlink (Version_Path (1)'Address, Newpath2'Address);
354 Delete_File (Lib_Path, Success);
356 Result := Symlink (Newpath2'Address, Newpath1'Address);
359 end Create_Sym_Links;
361 --------------------------------
362 -- Linker_Library_Path_Option --
363 --------------------------------
365 function Linker_Library_Path_Option return String_Access is
367 Run_Path_Option_Ptr : Interfaces.C.Strings.chars_ptr;
368 pragma Import (C, Run_Path_Option_Ptr, "__gnat_run_path_option");
369 -- Pointer to string representing the native linker option which
370 -- specifies the path where the dynamic loader should find shared
371 -- libraries. Equal to null string if this system doesn't support it.
373 S : constant String := Interfaces.C.Strings.Value (Run_Path_Option_Ptr);
379 return new String'(S);
381 end Linker_Library_Path_Option;
387 function Major_Id_Name
388 (Lib_Filename : String;
389 Lib_Version : String)
392 Maj_Version : constant String := Lib_Version;
395 Ok_Maj : Boolean := False;
398 Last_Maj := Maj_Version'Last;
399 while Last_Maj > Maj_Version'First loop
400 if Maj_Version (Last_Maj) in '0' .. '9' then
401 Last_Maj := Last_Maj - 1;
404 Ok_Maj := Last_Maj /= Maj_Version'Last and then
405 Maj_Version (Last_Maj) = '.';
408 Last_Maj := Last_Maj - 1;
417 while Last > Maj_Version'First loop
418 if Maj_Version (Last) in '0' .. '9' then
422 Ok_Maj := Last /= Last_Maj and then
423 Maj_Version (Last) = '.';
428 Maj_Version (Maj_Version'First .. Last) = Lib_Filename;
437 return Maj_Version (Maj_Version'First .. Last_Maj);
443 -- Package elaboration
446 -- Copy_Attributes always fails on VMS
448 if Hostparm.OpenVMS then