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jeremybenn |
------------------------------------------------------------------------------
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-- --
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-- GNAT COMPILER COMPONENTS --
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-- --
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-- G N A T L B R --
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-- --
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-- B o d y --
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-- --
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-- Copyright (C) 1997-2008, Free Software Foundation, Inc. --
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-- --
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-- GNAT is free software; you can redistribute it and/or modify it under --
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-- terms of the GNU General Public License as published by the Free Soft- --
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-- ware Foundation; either version 3, or (at your option) any later ver- --
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-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
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-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
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-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
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-- for more details. You should have received a copy of the GNU General --
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-- Public License distributed with GNAT; see file COPYING3. If not, go to --
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-- http://www.gnu.org/licenses for a complete copy of the license. --
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-- --
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-- GNAT was originally developed by the GNAT team at New York University. --
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-- Extensive contributions were provided by Ada Core Technologies Inc. --
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-- --
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------------------------------------------------------------------------------
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-- Program to create, set, or delete an alternate runtime library
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-- Works by calling an appropriate target specific Makefile residing
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-- in the default library object (e.g. adalib) directory from the context
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-- of the new library objects directory.
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-- Command line arguments are:
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-- 1st: --[create | set | delete]=<directory_spec>
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-- --create : Build a library
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-- --set : Set environment variables to point to a library
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-- --delete : Delete a library
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-- 2nd: --config=<file_spec>
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-- A -gnatg valid file containing desired configuration pragmas
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-- This program is currently used only on Alpha/VMS
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with Ada.Command_Line; use Ada.Command_Line;
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with Ada.Text_IO; use Ada.Text_IO;
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with GNAT.OS_Lib; use GNAT.OS_Lib;
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with Gnatvsn; use Gnatvsn;
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with Interfaces.C_Streams; use Interfaces.C_Streams;
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with Osint; use Osint;
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with System;
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procedure GnatLbr is
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pragma Ident (Gnat_Static_Version_String);
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type Lib_Mode is (None, Create, Set, Delete);
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Next_Arg : Integer;
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Mode : Lib_Mode := None;
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ADC_File : String_Access := null;
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Lib_Dir : String_Access := null;
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Make : constant String := "make";
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Make_Path : String_Access;
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procedure Create_Directory (Name : System.Address; Mode : Integer);
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pragma Import (C, Create_Directory, "decc$mkdir");
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begin
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if Argument_Count = 0 then
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Put ("Usage: ");
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Put_Line
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("gnatlbr --[create|set|delete]=<directory> [--config=<file>]");
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Exit_Program (E_Fatal);
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end if;
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Next_Arg := 1;
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loop
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exit when Next_Arg > Argument_Count;
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Process_One_Arg : declare
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Arg : constant String := Argument (Next_Arg);
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begin
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if Arg'Length > 9 and then Arg (1 .. 9) = "--create=" then
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if Mode = None then
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Mode := Create;
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Lib_Dir := new String'(Arg (10 .. Arg'Last));
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else
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Put_Line (Standard_Error, "Error: Multiple modes specified");
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Exit_Program (E_Fatal);
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end if;
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elsif Arg'Length > 6 and then Arg (1 .. 6) = "--set=" then
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if Mode = None then
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Mode := Set;
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Lib_Dir := new String'(Arg (7 .. Arg'Last));
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else
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Put_Line (Standard_Error, "Error: Multiple modes specified");
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Exit_Program (E_Fatal);
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end if;
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elsif Arg'Length > 9 and then Arg (1 .. 9) = "--delete=" then
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if Mode = None then
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Mode := Delete;
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Lib_Dir := new String'(Arg (10 .. Arg'Last));
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else
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Put_Line (Standard_Error, "Error: Multiple modes specified");
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Exit_Program (E_Fatal);
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end if;
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elsif Arg'Length > 9 and then Arg (1 .. 9) = "--config=" then
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if ADC_File /= null then
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Put_Line (Standard_Error,
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"Error: Multiple gnat.adc files specified");
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Exit_Program (E_Fatal);
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end if;
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ADC_File := new String'(Arg (10 .. Arg'Last));
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else
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Put_Line (Standard_Error, "Error: Unrecognized option: " & Arg);
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Exit_Program (E_Fatal);
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end if;
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end Process_One_Arg;
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Next_Arg := Next_Arg + 1;
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end loop;
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case Mode is
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when Create =>
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-- Validate arguments
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if Lib_Dir = null then
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Put_Line (Standard_Error, "Error: No library directory specified");
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Exit_Program (E_Fatal);
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end if;
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if Is_Directory (Lib_Dir.all) then
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Put_Line (Standard_Error,
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"Error:" & Lib_Dir.all & " already exists");
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Exit_Program (E_Fatal);
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end if;
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if ADC_File = null then
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Put_Line (Standard_Error,
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"Error: No configuration file specified");
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Exit_Program (E_Fatal);
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end if;
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if not Is_Regular_File (ADC_File.all) then
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Put_Line (Standard_Error,
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"Error: " & ADC_File.all & " doesn't exist");
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Exit_Program (E_Fatal);
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end if;
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Create_Block : declare
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Success : Boolean;
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Make_Args : Argument_List (1 .. 9);
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C_Lib_Dir : String := Lib_Dir.all & ASCII.NUL;
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C_ADC_File : String := ADC_File.all & ASCII.NUL;
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F_ADC_File : String (1 .. max_path_len);
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F_ADC_File_Len : Integer := max_path_len;
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Include_Dirs : Integer;
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Object_Dirs : Integer;
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Include_Dir : array (Integer range 1 .. 256) of String_Access;
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Object_Dir : array (Integer range 1 .. 256) of String_Access;
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Include_Dir_Name : String_Access;
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Object_Dir_Name : String_Access;
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begin
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-- Create the new top level library directory
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if not Is_Directory (Lib_Dir.all) then
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Create_Directory (C_Lib_Dir'Address, 8#755#);
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end if;
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full_name (C_ADC_File'Address, F_ADC_File'Address);
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for I in 1 .. max_path_len loop
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if F_ADC_File (I) = ASCII.NUL then
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F_ADC_File_Len := I - 1;
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exit;
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end if;
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end loop;
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--
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-- Make a list of the default library source and object
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-- directories. Usually only one, except on VMS where
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-- there are two.
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--
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Include_Dirs := 0;
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Include_Dir_Name := new String'(Include_Dir_Default_Prefix);
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Get_Next_Dir_In_Path_Init (Include_Dir_Name);
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loop
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declare
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Dir : constant String_Access := String_Access
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(Get_Next_Dir_In_Path (Include_Dir_Name));
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begin
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exit when Dir = null;
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Include_Dirs := Include_Dirs + 1;
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Include_Dir (Include_Dirs) :=
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String_Access (Normalize_Directory_Name (Dir.all));
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end;
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end loop;
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Object_Dirs := 0;
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Object_Dir_Name := new String'(Object_Dir_Default_Prefix);
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Get_Next_Dir_In_Path_Init (Object_Dir_Name);
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loop
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declare
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Dir : constant String_Access :=
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String_Access
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(Get_Next_Dir_In_Path (Object_Dir_Name));
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begin
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exit when Dir = null;
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Object_Dirs := Object_Dirs + 1;
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Object_Dir (Object_Dirs)
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:= String_Access (Normalize_Directory_Name (Dir.all));
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end;
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end loop;
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-- "Make" an alternate sublibrary for each default sublibrary
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for Dirs in 1 .. Object_Dirs loop
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Make_Args (1) :=
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new String'("-C");
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Make_Args (2) :=
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new String'(Lib_Dir.all);
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-- Resolve /gnu on VMS by converting to host format and then
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-- convert resolved path back to canonical format for the
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-- make program. This fixes the problem that can occur when
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-- GNU: is a search path pointing to multiple versions of GNAT.
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Make_Args (3) :=
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new String'("ADA_INCLUDE_PATH=" &
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To_Canonical_Dir_Spec
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(To_Host_Dir_Spec
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(Include_Dir (Dirs).all, True).all, True).all);
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Make_Args (4) :=
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new String'("ADA_OBJECTS_PATH=" &
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To_Canonical_Dir_Spec
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(To_Host_Dir_Spec
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(Object_Dir (Dirs).all, True).all, True).all);
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Make_Args (5) :=
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new String'("GNAT_ADC_FILE="
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& F_ADC_File (1 .. F_ADC_File_Len));
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Make_Args (6) :=
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new String'("LIBRARY_VERSION=" & '"' &
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Verbose_Library_Version & '"');
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Make_Args (7) :=
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new String'("-f");
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Make_Args (8) :=
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new String'(Object_Dir (Dirs).all & "Makefile.lib");
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Make_Args (9) :=
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new String'("create");
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Make_Path := Locate_Exec_On_Path (Make);
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Put (Make);
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for J in 1 .. Make_Args'Last loop
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Put (" ");
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Put (Make_Args (J).all);
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end loop;
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New_Line;
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Spawn (Make_Path.all, Make_Args, Success);
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if not Success then
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Put_Line (Standard_Error, "Error: Make failed");
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Exit_Program (E_Fatal);
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end if;
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end loop;
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end Create_Block;
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when Set =>
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-- Validate arguments
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if Lib_Dir = null then
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Put_Line (Standard_Error,
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"Error: No library directory specified");
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Exit_Program (E_Fatal);
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end if;
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if not Is_Directory (Lib_Dir.all) then
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Put_Line (Standard_Error,
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"Error: " & Lib_Dir.all & " doesn't exist");
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Exit_Program (E_Fatal);
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end if;
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if ADC_File = null then
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Put_Line (Standard_Error,
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"Error: No configuration file specified");
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Exit_Program (E_Fatal);
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end if;
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if not Is_Regular_File (ADC_File.all) then
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Put_Line (Standard_Error,
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"Error: " & ADC_File.all & " doesn't exist");
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Exit_Program (E_Fatal);
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end if;
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-- Give instructions
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Put_Line ("Copy the contents of "
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& ADC_File.all & " into your GNAT.ADC file");
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Put_Line ("and use GNAT Make qualifier /OBJECT_SEARCH=("
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& To_Host_Dir_Spec
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(Lib_Dir (Lib_Dir'First .. Lib_Dir'Last) & "/declib", False).all
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& ","
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& To_Host_Dir_Spec
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(Lib_Dir (Lib_Dir'First .. Lib_Dir'Last) & "/adalib", False).all
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& ")");
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Put_Line ("or else define ADA_OBJECTS_PATH as " & '"'
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& To_Host_Dir_Spec
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(Lib_Dir (Lib_Dir'First .. Lib_Dir'Last) & "/declib", False).all
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& ','
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& To_Host_Dir_Spec
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(Lib_Dir (Lib_Dir'First .. Lib_Dir'Last) & "/adalib", False).all
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& '"');
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when Delete =>
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-- Give instructions
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335 |
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Put_Line ("GNAT Librarian DELETE not yet implemented.");
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337 |
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Put_Line ("Use appropriate system tools to remove library");
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338 |
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when None =>
|
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Put_Line (Standard_Error,
|
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"Error: No mode (create|set|delete) specified");
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342 |
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Exit_Program (E_Fatal);
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end case;
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end GnatLbr;
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