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------------------------------------------------------------------------------ -- -- -- GNAT COMPILER COMPONENTS -- -- -- -- M L I B . T G T -- -- -- -- S p e c -- -- -- -- Copyright (C) 2001-2009, AdaCore -- -- -- -- 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 3, 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 COPYING3. If not, go to -- -- http://www.gnu.org/licenses for a complete copy of the license. -- -- -- -- 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. There are several packages providing -- the actual routines. This package calls them indirectly by means of -- access-to-subprogram values. Each target-dependent package initializes -- these values in its elaboration block. with Prj; use Prj; package MLib.Tgt is function Support_For_Libraries return Library_Support; -- Indicates how building libraries by gnatmake is supported by the GNAT -- implementation for the platform. function Standalone_Library_Auto_Init_Is_Supported return Boolean; -- Indicates if when building a dynamic Standalone Library, -- automatic initialization is supported. If it is, then it is the default, -- unless attribute Library_Auto_Init has the value "false". function Archive_Builder return String; -- Returns the name of the archive builder program, usually "ar" function Archive_Builder_Options return String_List_Access; -- A list of options to invoke the Archive_Builder, usually "cr" for "ar" function Archive_Builder_Append_Options return String_List_Access; -- A list of options to use with the archive builder to append object -- files ("q", for example). function Archive_Indexer return String; -- Returns the name of the program, if any, that generates an index to the -- contents of an archive, usually "ranlib". If there is no archive indexer -- to be used, returns an empty string. function Archive_Indexer_Options return String_List_Access; -- A list of options to invoke the Archive_Indexer, usually empty function Dynamic_Option return String; -- gcc option to create a dynamic library. -- For Unix, returns "-shared", for Windows returns "-mdll". function Libgnat return String; -- System dependent static GNAT library function Archive_Ext return String; -- System dependent static library extension, without leading dot. -- For Unix and Windows, return "a". function Object_Ext return String; -- System dependent object extension, without leading dot. -- On Unix, returns "o". function DLL_Prefix return String; -- System dependent dynamic library prefix. -- On Windows, returns "". On other platforms, returns "lib". function DLL_Ext return String; -- System dependent dynamic library extension, without leading dot. -- On Windows, returns "dll". On Unix, usually returns "so", but not -- always, e.g. on HP-UX the extension for shared libraries is "sl". function PIC_Option return String; -- Position independent code option function Is_Object_Ext (Ext : String) return Boolean; -- Returns True iff Ext is an object file extension function Is_C_Ext (Ext : String) return Boolean; -- Returns True iff Ext is a C file extension function Is_Archive_Ext (Ext : String) return Boolean; -- Returns True iff Ext is an extension for a library function Default_Symbol_File_Name return String; -- Returns the name of the symbol file when Library_Symbol_File is not -- specified. Return the empty string when symbol files are not supported. procedure Build_Dynamic_Library (Ofiles : Argument_List; Options : 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); -- Build a dynamic/relocatable library -- -- Ofiles is the list of all object files in the library -- -- Options is a list of options to be passed to the tool -- (gcc or other) that effectively builds the dynamic library. -- -- Interfaces is the list of ALI files for the interfaces of a SAL. -- It is empty if the library is not a SAL. -- -- Lib_Filename is the name of the library, without any prefix or -- extension. For example, on Unix, if Lib_Filename is "toto", the -- name of the library file will be "libtoto.so". -- -- Lib_Dir is the directory path where the library will be located -- -- For OSes that support symbolic links, Lib_Version, if non null, -- is the actual file name of the library. For example on Unix, if -- Lib_Filename is "toto" and Lib_Version is "libtoto.so.2.1", -- "libtoto.so" will be a symbolic link to "libtoto.so.2.1" which -- will be the actual library file. -- -- Symbol_Data is used for some platforms, including VMS, to generate -- the symbols to be exported by the library. -- -- Note: Depending on the OS, some of the parameters may not be taken into -- account. For example, on Linux, Interfaces, Symbol_Data and Auto_Init -- are ignored. function Library_Exists_For (Project : Project_Id; In_Tree : Project_Tree_Ref) return Boolean; -- Return True if the library file for a library project already exists. -- This function can only be called for library projects. function Library_File_Name_For (Project : Project_Id; In_Tree : Project_Tree_Ref) return File_Name_Type; -- Returns the file name of the library file of a library project. -- This function can only be called for library projects. function Library_Major_Minor_Id_Supported return Boolean; -- Indicates if major and minor ids are supported for libraries. -- If they are supported, then a Library_Version such as libtoto.so.1.2 -- will have a major id of 1 and a minor id of 2. Then libtoto.so, -- libtoto.so.1 and libtoto.so.1.2 will be created, all three designating -- the same file. private No_Argument_List : constant Argument_List := (1 .. 0 => null); -- Access to subprogram types for indirection type String_Function is access function return String; type Is_Ext_Function is access function (Ext : String) return Boolean; type String_List_Access_Function is access function return String_List_Access; type Build_Dynamic_Library_Function is access procedure (Ofiles : Argument_List; Options : 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); type Library_Exists_For_Function is access function (Project : Project_Id; In_Tree : Project_Tree_Ref) return Boolean; type Library_File_Name_For_Function is access function (Project : Project_Id; In_Tree : Project_Tree_Ref) return File_Name_Type; type Boolean_Function is access function return Boolean; type Library_Support_Function is access function return Library_Support; function Archive_Builder_Default return String; Archive_Builder_Ptr : String_Function := Archive_Builder_Default'Access; function Archive_Builder_Options_Default return String_List_Access; Archive_Builder_Options_Ptr : String_List_Access_Function := Archive_Builder_Options_Default'Access; function Archive_Builder_Append_Options_Default return String_List_Access; Archive_Builder_Append_Options_Ptr : String_List_Access_Function := Archive_Builder_Append_Options_Default'Access; function Archive_Ext_Default return String; Archive_Ext_Ptr : String_Function := Archive_Ext_Default'Access; function Archive_Indexer_Default return String; Archive_Indexer_Ptr : String_Function := Archive_Indexer_Default'Access; function Archive_Indexer_Options_Default return String_List_Access; Archive_Indexer_Options_Ptr : String_List_Access_Function := Archive_Indexer_Options_Default'Access; function Default_Symbol_File_Name_Default return String; Default_Symbol_File_Name_Ptr : String_Function := Default_Symbol_File_Name_Default'Access; Build_Dynamic_Library_Ptr : Build_Dynamic_Library_Function; function DLL_Ext_Default return String; DLL_Ext_Ptr : String_Function := DLL_Ext_Default'Access; function DLL_Prefix_Default return String; DLL_Prefix_Ptr : String_Function := DLL_Prefix_Default'Access; function Dynamic_Option_Default return String; Dynamic_Option_Ptr : String_Function := Dynamic_Option_Default'Access; function Is_Object_Ext_Default (Ext : String) return Boolean; Is_Object_Ext_Ptr : Is_Ext_Function := Is_Object_Ext_Default'Access; function Is_C_Ext_Default (Ext : String) return Boolean; Is_C_Ext_Ptr : Is_Ext_Function := Is_C_Ext_Default'Access; function Is_Archive_Ext_Default (Ext : String) return Boolean; Is_Archive_Ext_Ptr : Is_Ext_Function := Is_Archive_Ext_Default'Access; function Libgnat_Default return String; Libgnat_Ptr : String_Function := Libgnat_Default'Access; function Library_Exists_For_Default (Project : Project_Id; In_Tree : Project_Tree_Ref) return Boolean; Library_Exists_For_Ptr : Library_Exists_For_Function := Library_Exists_For_Default'Access; function Library_File_Name_For_Default (Project : Project_Id; In_Tree : Project_Tree_Ref) return File_Name_Type; Library_File_Name_For_Ptr : Library_File_Name_For_Function := Library_File_Name_For_Default'Access; function Object_Ext_Default return String; Object_Ext_Ptr : String_Function := Object_Ext_Default'Access; function PIC_Option_Default return String; PIC_Option_Ptr : String_Function := PIC_Option_Default'Access; function Standalone_Library_Auto_Init_Is_Supported_Default return Boolean; Standalone_Library_Auto_Init_Is_Supported_Ptr : Boolean_Function := Standalone_Library_Auto_Init_Is_Supported_Default'Access; function Support_For_Libraries_Default return Library_Support; Support_For_Libraries_Ptr : Library_Support_Function := Support_For_Libraries_Default'Access; function Library_Major_Minor_Id_Supported_Default return Boolean; Library_Major_Minor_Id_Supported_Ptr : Boolean_Function := Library_Major_Minor_Id_Supported_Default'Access; end MLib.Tgt;