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 2, 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 COPYING. If not, write --
19 -- to the Free Software Foundation, 51 Franklin Street, Fifth Floor, --
20 -- Boston, MA 02110-1301, USA. --
22 -- GNAT was originally developed by the GNAT team at New York University. --
23 -- Extensive contributions were provided by Ada Core Technologies Inc. --
25 ------------------------------------------------------------------------------
27 with Ada.Characters.Handling; use Ada.Characters.Handling;
28 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;
48 Afiles : Argument_List;
52 pragma Warnings (Off, Afiles);
55 if Opt.Verbose_Mode and not Opt.Quiet_Output then
56 Write_Line ("building a library...");
58 Write_Line (Output_File);
61 Ar (Output_Dir & Directory_Separator &
62 "lib" & Output_File & ".a", Objects => Ofiles);
65 ------------------------
66 -- Check_Library_Name --
67 ------------------------
69 procedure Check_Library_Name (Name : String) is
71 if Name'Length = 0 then
72 Prj.Com.Fail ("library name cannot be empty");
75 if Name'Length > Max_Characters_In_Library_Name then
76 Prj.Com.Fail ("illegal library name """, Name, """: too long");
79 if not Is_Letter (Name (Name'First)) then
80 Prj.Com.Fail ("illegal library name """,
82 """: should start with a letter");
85 for Index in Name'Range loop
86 if not Is_Alphanumeric (Name (Index)) then
87 Prj.Com.Fail ("illegal library name """,
89 """: should include only letters and digits");
92 end Check_Library_Name;
98 procedure Copy_ALI_Files
99 (Files : Argument_List;
101 Interfaces : String_List)
103 Success : Boolean := False;
104 To_Dir : constant String := Get_Name_String (To);
105 Is_Interface : Boolean := False;
107 procedure Verbose_Copy (Index : Positive);
108 -- In verbose mode, output a message that the indexed file is copied
109 -- to the destination directory.
115 procedure Verbose_Copy (Index : Positive) is
117 if Opt.Verbose_Mode then
118 Write_Str ("Copying """);
119 Write_Str (Files (Index).all);
120 Write_Str (""" to """);
127 if Interfaces'Length = 0 then
129 -- If there are no Interfaces, copy all the ALI files as is
131 for Index in Files'Range loop
132 Verbose_Copy (Index);
135 Directory_Separator &
136 Base_Name (Files (Index).all));
142 Preserve => Preserve);
144 exit when not Success;
148 -- Copy only the interface ALI file, and put the special indicator
149 -- "SL" on the P line.
151 for Index in Files'Range loop
154 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
219 -- We simply ignore 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));
278 -- This is not an interface ALI
286 Prj.Com.Fail ("could not copy ALI files to library dir");
292 --------------------------------
293 -- Linker_Library_Path_Option --
294 --------------------------------
296 function Linker_Library_Path_Option return String_Access is
298 Run_Path_Option_Ptr : Interfaces.C.Strings.chars_ptr;
299 pragma Import (C, Run_Path_Option_Ptr, "__gnat_run_path_option");
300 -- Pointer to string representing the native linker option which
301 -- specifies the path where the dynamic loader should find shared
302 -- libraries. Equal to null string if this system doesn't support it.
304 S : constant String := Interfaces.C.Strings.Value (Run_Path_Option_Ptr);
310 return new String'(S);
312 end Linker_Library_Path_Option;
314 -- Package elaboration
317 -- Copy_Attributes always fails on VMS
319 if Hostparm.OpenVMS then