------------------------------------------------------------------------------ -- -- -- GNAT COMPILER COMPONENTS -- -- -- -- M L I B . T G T -- -- (GNU/Linux Version) -- -- -- -- B o d y -- -- -- -- -- -- Copyright (C) 2001, Ada Core Technologies, Inc. -- -- -- -- GNAT is free software; you can redistribute it and/or modify it under -- -- terms of the GNU General Public License as published by the Free Soft- -- -- ware Foundation; either version 2, or (at your option) any later ver- -- -- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- -- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -- -- for more details. You should have received a copy of the GNU General -- -- Public License distributed with GNAT; see file COPYING. If not, write -- -- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, -- -- MA 02111-1307, USA. -- -- -- -- GNAT was originally developed by the GNAT team at New York University. -- -- It is now maintained by Ada Core Technologies Inc (http://www.gnat.com). -- -- -- ------------------------------------------------------------------------------ -- This package provides a set of target dependent routines to build -- static, dynamic and shared libraries. -- This is the GNU/Linux version of the body. with Ada.Characters.Handling; use Ada.Characters.Handling; with GNAT.Directory_Operations; use GNAT.Directory_Operations; with MLib.Fil; with MLib.Utl; with Namet; use Namet; with Opt; with Osint; use Osint; with Output; use Output; with System; package body MLib.Tgt is use GNAT; use MLib; -- ??? serious lack of comments below, all these declarations need to -- be commented, none are: package Files renames MLib.Fil; package Tools renames MLib.Utl; Args : Argument_List_Access := new Argument_List (1 .. 20); Last_Arg : Natural := 0; Cp : constant String_Access := Locate_Exec_On_Path ("cp"); Force : constant String_Access := new String'("-f"); procedure Add_Arg (Arg : String); ------------- -- Add_Arg -- ------------- procedure Add_Arg (Arg : String) is begin if Last_Arg = Args'Last then declare New_Args : constant Argument_List_Access := new Argument_List (1 .. Args'Last * 2); begin New_Args (Args'Range) := Args.all; Args := New_Args; end; end if; Last_Arg := Last_Arg + 1; Args (Last_Arg) := new String'(Arg); end Add_Arg; ----------------- -- Archive_Ext -- ----------------- function Archive_Ext return String is begin return "a"; end Archive_Ext; ----------------- -- Base_Option -- ----------------- function Base_Option return String is begin return ""; end Base_Option; --------------------------- -- Build_Dynamic_Library -- --------------------------- procedure Build_Dynamic_Library (Ofiles : Argument_List; Foreign : Argument_List; Afiles : Argument_List; Options : Argument_List; Lib_Filename : String; Lib_Dir : String; Lib_Address : String := ""; Lib_Version : String := ""; Relocatable : Boolean := False) is Lib_File : constant String := Lib_Dir & Directory_Separator & "lib" & Files.Ext_To (Lib_Filename, DLL_Ext); use type Argument_List; use type String_Access; Version_Arg : String_Access; Symbolic_Link_Needed : Boolean := False; begin if Opt.Verbose_Mode then Write_Str ("building relocatable shared library "); Write_Line (Lib_File); end if; if Lib_Version = "" then Tools.Gcc (Output_File => Lib_File, Objects => Ofiles, Options => Options); else Version_Arg := new String'("-Wl,-soname," & Lib_Version); if Is_Absolute_Path (Lib_Version) then Tools.Gcc (Output_File => Lib_Version, Objects => Ofiles, Options => Options & Version_Arg); Symbolic_Link_Needed := Lib_Version /= Lib_File; else Tools.Gcc (Output_File => Lib_Dir & Directory_Separator & Lib_Version, Objects => Ofiles, Options => Options & Version_Arg); Symbolic_Link_Needed := Lib_Dir & Directory_Separator & Lib_Version /= Lib_File; end if; if Symbolic_Link_Needed then declare Success : Boolean; Oldpath : String (1 .. Lib_Version'Length + 1); Newpath : String (1 .. Lib_File'Length + 1); Result : Integer; function Symlink (Oldpath : System.Address; Newpath : System.Address) return Integer; pragma Import (C, Symlink, "__gnat_symlink"); begin Oldpath (1 .. Lib_Version'Length) := Lib_Version; Oldpath (Oldpath'Last) := ASCII.NUL; Newpath (1 .. Lib_File'Length) := Lib_File; Newpath (Newpath'Last) := ASCII.NUL; Delete_File (Lib_File, Success); Result := Symlink (Oldpath'Address, Newpath'Address); end; end if; end if; end Build_Dynamic_Library; -------------------- -- Copy_ALI_Files -- -------------------- procedure Copy_ALI_Files (From : Name_Id; To : Name_Id) is Dir : Dir_Type; Name : String (1 .. 1_000); Last : Natural; Success : Boolean; From_Dir : constant String := Get_Name_String (From); To_Dir : constant String_Access := new String'(Get_Name_String (To)); begin Last_Arg := 0; Open (Dir, From_Dir); loop Read (Dir, Name, Last); exit when Last = 0; if Last > 4 and then To_Lower (Name (Last - 3 .. Last)) = ".ali" then Add_Arg (From_Dir & Directory_Separator & Name (1 .. Last)); end if; end loop; if Last_Arg /= 0 then if not Opt.Quiet_Output then Write_Str ("cp -f "); for J in 1 .. Last_Arg loop Write_Str (Args (J).all); Write_Char (' '); end loop; Write_Line (To_Dir.all); end if; Spawn (Cp.all, Force & Args (1 .. Last_Arg) & To_Dir, Success); if not Success then Fail ("could not copy ALI files to library dir"); end if; end if; end Copy_ALI_Files; ------------------------- -- Default_DLL_Address -- ------------------------- function Default_DLL_Address return String is begin return ""; end Default_DLL_Address; ------------- -- DLL_Ext -- ------------- function DLL_Ext return String is begin return "so"; end DLL_Ext; -------------------- -- Dynamic_Option -- -------------------- function Dynamic_Option return String is begin return "-shared"; end Dynamic_Option; ------------------- -- Is_Object_Ext -- ------------------- function Is_Object_Ext (Ext : String) return Boolean is begin return Ext = ".o"; end Is_Object_Ext; -------------- -- Is_C_Ext -- -------------- function Is_C_Ext (Ext : String) return Boolean is begin return Ext = ".c"; end Is_C_Ext; -------------------- -- Is_Archive_Ext -- -------------------- function Is_Archive_Ext (Ext : String) return Boolean is begin return Ext = ".a" or else Ext = ".so"; end Is_Archive_Ext; ------------- -- Libgnat -- ------------- function Libgnat return String is begin return "libgnat.a"; end Libgnat; ----------------------------- -- Libraries_Are_Supported -- ----------------------------- function Libraries_Are_Supported return Boolean is begin return True; end Libraries_Are_Supported; -------------------------------- -- Linker_Library_Path_Option -- -------------------------------- function Linker_Library_Path_Option (Directory : String) return String_Access is begin return new String'("-Wl,-rpath," & Directory); end Linker_Library_Path_Option; ---------------- -- Object_Ext -- ---------------- function Object_Ext return String is begin return "o"; end Object_Ext; ---------------- -- PIC_Option -- ---------------- function PIC_Option return String is begin return "-fPIC"; end PIC_Option; end MLib.Tgt;