--- /dev/null
+------------------------------------------------------------------------------
+-- --
+-- GNAT COMPILER COMPONENTS --
+-- --
+-- M L I B . T G T --
+-- (Darwin Version) --
+-- --
+-- B o d y --
+-- --
+-- Copyright (C) 2001-2004, 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, 59 Temple Place - Suite 330, Boston, --
+-- MA 02111-1307, USA. --
+-- --
+-- GNAT was originally developed by the GNAT team at New York University. --
+-- Extensive contributions were provided by Ada Core Technologies Inc. --
+-- --
+------------------------------------------------------------------------------
+
+-- This package provides a set of target dependent routines to build
+-- static, dynamic and shared libraries.
+
+-- This is the Darwin version of the body.
+
+with MLib.Fil;
+with MLib.Utl;
+with Namet; use Namet;
+with Opt;
+with Output; use Output;
+with Prj.Com;
+with System;
+
+package body MLib.Tgt is
+
+ use GNAT;
+ use MLib;
+
+ No_Arguments : aliased Argument_List := (1 .. 0 => null);
+ Empty_Argument_List : constant Argument_List_Access := No_Arguments'Access;
+
+ Wl_Init_String : aliased String := "-Wl,-init";
+ Wl_Init : constant String_Access := Wl_Init_String'Access;
+ Wl_Fini_String : aliased String := "-Wl,-fini";
+ Wl_Fini : constant String_Access := Wl_Fini_String'Access;
+
+ Init_Fini_List : constant Argument_List_Access :=
+ new Argument_List'(1 => Wl_Init,
+ 2 => null,
+ 3 => Wl_Fini,
+ 4 => null);
+ -- Used to put switches for automatic elaboration/finalization
+
+ ---------------------
+ -- Archive_Builder --
+ ---------------------
+
+ function Archive_Builder return String is
+ begin
+ return "ar";
+ end Archive_Builder;
+
+ -----------------------------
+ -- Archive_Builder_Options --
+ -----------------------------
+
+ function Archive_Builder_Options return String_List_Access is
+ begin
+ return new String_List'(1 => new String'("cr"));
+ end Archive_Builder_Options;
+
+ -----------------
+ -- Archive_Ext --
+ -----------------
+
+ function Archive_Ext return String is
+ begin
+ return "a";
+ end Archive_Ext;
+
+ ---------------------
+ -- Archive_Indexer --
+ ---------------------
+
+ function Archive_Indexer return String is
+ begin
+ return "ranlib";
+ end Archive_Indexer;
+
+ -----------------------------
+ -- 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);
+
+ Lib_File : constant String :=
+ Lib_Dir & Directory_Separator & "lib" &
+ Fil.Ext_To (Lib_Filename, DLL_Ext);
+
+ Version_Arg : String_Access;
+ Symbolic_Link_Needed : Boolean := False;
+
+ Init_Fini : Argument_List_Access := Empty_Argument_List;
+
+ 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 Auto_Init then
+ Init_Fini := Init_Fini_List;
+ Init_Fini (2) := new String'("-Wl," & Lib_Filename & "init");
+ Init_Fini (4) := new String'("-Wl," & Lib_Filename & "final");
+ end if;
+
+ if Lib_Version = "" then
+ Utl.Gcc
+ (Output_File => Lib_File,
+ Objects => Ofiles,
+ Options => Options & Init_Fini.all,
+ Driver_Name => Driver_Name,
+ Options_2 => Options_2);
+
+ else
+ Version_Arg := new String'("-Wl,-flat_namespace"); -- ???
+
+ if Is_Absolute_Path (Lib_Version) then
+ Utl.Gcc
+ (Output_File => Lib_Version,
+ Objects => Ofiles,
+ Options => Options & Version_Arg & Init_Fini.all,
+ 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 & Version_Arg & Init_Fini.all,
+ 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_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 = ".dyld";
+ end Is_Archive_Ext;
+
+ -------------
+ -- Libgnat --
+ -------------
+
+ function Libgnat return String is
+ begin
+ return "libgnat.a";
+ end Libgnat;
+
+ ------------------------
+ -- Library_Exists_For --
+ ------------------------
+
+ function Library_Exists_For (Project : Project_Id) return Boolean is
+ begin
+ if not Projects.Table (Project).Library then
+ Prj.Com.Fail ("INTERNAL ERROR: Library_Exists_For called " &
+ "for non library project");
+ return False;
+
+ else
+ declare
+ Lib_Dir : constant String :=
+ Get_Name_String (Projects.Table (Project).Library_Dir);
+ Lib_Name : constant String :=
+ Get_Name_String (Projects.Table (Project).Library_Name);
+
+ begin
+ if Projects.Table (Project).Library_Kind = Static then
+ return Is_Regular_File
+ (Lib_Dir & Directory_Separator & "lib" &
+ Fil.Ext_To (Lib_Name, Archive_Ext));
+
+ else
+ return Is_Regular_File
+ (Lib_Dir & Directory_Separator & "lib" &
+ Fil.Ext_To (Lib_Name, DLL_Ext));
+ end if;
+ end;
+ end if;
+ end Library_Exists_For;
+
+ ---------------------------
+ -- Library_File_Name_For --
+ ---------------------------
+
+ function Library_File_Name_For (Project : Project_Id) return Name_Id is
+ begin
+ if not Projects.Table (Project).Library then
+ Prj.Com.Fail ("INTERNAL ERROR: Library_File_Name_For called " &
+ "for non library project");
+ return No_Name;
+
+ else
+ declare
+ Lib_Name : constant String :=
+ Get_Name_String (Projects.Table (Project).Library_Name);
+
+ begin
+ Name_Len := 3;
+ Name_Buffer (1 .. Name_Len) := "lib";
+
+ if Projects.Table (Project).Library_Kind = Static then
+ Add_Str_To_Name_Buffer (Fil.Ext_To (Lib_Name, Archive_Ext));
+
+ else
+ Add_Str_To_Name_Buffer (Fil.Ext_To (Lib_Name, DLL_Ext));
+ end if;
+
+ return Name_Find;
+ end;
+ end if;
+ end Library_File_Name_For;
+
+ ----------------
+ -- 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;
+
+ -----------------------------------------------
+ -- Standalone_Library_Auto_Init_Is_Supported --
+ -----------------------------------------------
+
+ function Standalone_Library_Auto_Init_Is_Supported return Boolean is
+ begin
+ return True;
+ end Standalone_Library_Auto_Init_Is_Supported;
+
+ ---------------------------
+ -- Support_For_Libraries --
+ ---------------------------
+
+ function Support_For_Libraries return Library_Support is
+ begin
+ return Full;
+ end Support_For_Libraries;
+
+end MLib.Tgt;
projects / thirdparty / gcc.git / commitdiff
