------------------------------------------------------------------------------ -- -- -- GNAT COMPILER COMPONENTS -- -- -- -- M L I B . T G T . S P E C I F I C -- -- (Darwin Version) -- -- -- -- B o d y -- -- -- -- Copyright (C) 2001-2007, Free Software Foundation, 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, 51 Franklin Street, Fifth Floor, -- -- Boston, MA 02110-1301, USA. -- -- -- -- GNAT was originally developed by the GNAT team at New York University. -- -- Extensive contributions were provided by Ada Core Technologies Inc. -- -- -- ------------------------------------------------------------------------------ -- This is the Darwin version of the body with MLib; use MLib; with MLib.Fil; with MLib.Utl; with Opt; use Opt; with Output; use Output; with System; package body MLib.Tgt.Specific is -- Non default subprograms function Archive_Indexer_Options return String_List_Access; procedure Build_Dynamic_Library (Ofiles : Argument_List; Foreign : Argument_List; Afiles : Argument_List; Options : Argument_List; Options_2 : Argument_List; Interfaces : Argument_List; Lib_Filename : String; Lib_Dir : String; Symbol_Data : Symbol_Record; Driver_Name : Name_Id := No_Name; Lib_Version : String := ""; Auto_Init : Boolean := False); function DLL_Ext return String; function Dynamic_Option return String; function Is_Archive_Ext (Ext : String) return Boolean; -- Local objects Flat_Namespace : aliased String := "-Wl,-flat_namespace"; -- Instruct the linker to build the shared library as a flat -- namespace image. The default is a two-level namespace image. Shared_Libgcc : aliased String := "-shared-libgcc"; Shared_Options : constant Argument_List := (1 => Flat_Namespace'Access, 2 => Shared_Libgcc'Access); ----------------------------- -- Archive_Indexer_Options -- ----------------------------- function Archive_Indexer_Options return String_List_Access is begin return new String_List'(1 => new String'("-c")); end Archive_Indexer_Options; --------------------------- -- Build_Dynamic_Library -- --------------------------- procedure Build_Dynamic_Library (Ofiles : Argument_List; Foreign : Argument_List; Afiles : Argument_List; Options : Argument_List; Options_2 : Argument_List; Interfaces : Argument_List; Lib_Filename : String; Lib_Dir : String; Symbol_Data : Symbol_Record; Driver_Name : Name_Id := No_Name; Lib_Version : String := ""; Auto_Init : Boolean := False) is pragma Unreferenced (Foreign); pragma Unreferenced (Afiles); pragma Unreferenced (Interfaces); pragma Unreferenced (Symbol_Data); pragma Unreferenced (Auto_Init); Lib_File : constant String := Lib_Dir & Directory_Separator & "lib" & Fil.Append_To (Lib_Filename, DLL_Ext); Symbolic_Link_Needed : Boolean := False; begin if Opt.Verbose_Mode then Write_Str ("building relocatable shared library "); Write_Line (Lib_File); end if; -- If specified, add automatic elaboration/finalization if Lib_Version = "" then Utl.Gcc (Output_File => Lib_File, Objects => Ofiles, Options => Options & Shared_Options, Driver_Name => Driver_Name, Options_2 => Options_2); else if Is_Absolute_Path (Lib_Version) then Utl.Gcc (Output_File => Lib_Version, Objects => Ofiles, Options => Options & Shared_Options, Driver_Name => Driver_Name, Options_2 => Options_2); Symbolic_Link_Needed := Lib_Version /= Lib_File; else Utl.Gcc (Output_File => Lib_Dir & Directory_Separator & Lib_Version, Objects => Ofiles, Options => Options & Shared_Options, Driver_Name => Driver_Name, Options_2 => Options_2); 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; pragma Unreferenced (Result); 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; ------------- -- DLL_Ext -- ------------- function DLL_Ext return String is begin return "dylib"; end DLL_Ext; -------------------- -- Dynamic_Option -- -------------------- function Dynamic_Option return String is begin return "-dynamiclib"; end Dynamic_Option; -------------------- -- Is_Archive_Ext -- -------------------- function Is_Archive_Ext (Ext : String) return Boolean is begin return Ext = ".dylib" or else Ext = ".a"; end Is_Archive_Ext; begin Archive_Indexer_Options_Ptr := Archive_Indexer_Options'Access; Build_Dynamic_Library_Ptr := Build_Dynamic_Library'Access; DLL_Ext_Ptr := DLL_Ext'Access; Dynamic_Option_Ptr := Dynamic_Option'Access; Is_Archive_Ext_Ptr := Is_Archive_Ext'Access; end MLib.Tgt.Specific;