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	internal resources on 32 bit Darwin platforms with small programs git-svn-id: trunk@16417 -
		
			
				
	
	
		
			808 lines
		
	
	
		
			26 KiB
		
	
	
	
		
			ObjectPascal
		
	
	
	
	
	
			
		
		
	
	
			808 lines
		
	
	
		
			26 KiB
		
	
	
	
		
			ObjectPascal
		
	
	
	
	
	
{
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    Copyright (c) 1998-2002 by Peter Vreman (original Linux)
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              (c) 2000      by Marco van de Voort (FreeBSD mods)
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    This unit implements support import,export,link routines
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    for the (i386)FreeBSD target
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    This program is free software; you can redistribute it and/or modify
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    it under the terms of the GNU General Public License as published by
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    the Free Software Foundation; either version 2 of the License, or
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    (at your option) any later version.
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    This program is distributed in the hope that it will be useful,
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    but WITHOUT ANY WARRANTY; without even the implied warranty of
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    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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    GNU General Public License for more details.
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    You should have received a copy of the GNU General Public License
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    along with this program; if not, write to the Free Software
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    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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 ****************************************************************************
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}
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unit t_bsd;
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{$i fpcdefs.inc}
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interface
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implementation
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  uses
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    sysutils,
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    cutils,cfileutl,cclasses,
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    verbose,systems,globtype,globals,
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    symconst,script,
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    fmodule,aasmbase,aasmtai,aasmdata,aasmcpu,cpubase,symsym,symdef,
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    import,export,link,comprsrc,rescmn,i_bsd,expunix,
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    cgutils,cgbase,cgobj,cpuinfo,ogbase;
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  type
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    timportlibdarwin=class(timportlib)
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      procedure generatelib;override;
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    end;
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    timportlibbsd=class(timportlib)
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      procedure generatelib;override;
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    end;
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    texportlibbsd=class(texportlibunix)
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    end;
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    texportlibdarwin=class(texportlibbsd)
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      procedure setinitname(list: TAsmList; const s: string); override;
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      procedure setfininame(list: TAsmList; const s: string); override;
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    end;
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    tlinkerbsd=class(texternallinker)
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    private
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      LdSupportsNoResponseFile : boolean;
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      LibrarySuffix : Char;
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      Function  WriteResponseFile(isdll:boolean) : Boolean;
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      Function GetDarwinPrtobjName(isdll: boolean): TCmdStr;
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    public
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      constructor Create;override;
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      procedure SetDefaultInfo;override;
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      function  MakeExecutable:boolean;override;
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      function  MakeSharedLibrary:boolean;override;
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      procedure LoadPredefinedLibraryOrder; override;
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    end;
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{*****************************************************************************
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                             TIMPORTLIBDARWIN
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*****************************************************************************}
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    procedure timportlibdarwin.generatelib;
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      begin
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      end;
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{*****************************************************************************
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                             TEXPORTLIBDARWIN
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*****************************************************************************}
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    procedure texportlibdarwin.setinitname(list: TAsmList; const s: string);
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      begin
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        new_section(list,sec_init_func,'',sizeof(pint));
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        list.concat(Tai_const.Createname(s,0));
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      end;
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    procedure texportlibdarwin.setfininame(list: TAsmList; const s: string);
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      begin
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        new_section(list,sec_term_func,'',sizeof(pint));
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        list.concat(Tai_const.Createname(s,0));
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      end;
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{*****************************************************************************
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                               TIMPORTLIBBSD
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*****************************************************************************}
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    procedure timportlibbsd.generatelib;
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      var
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        i : longint;
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        ImportLibrary : TImportLibrary;
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      begin
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        for i:=0 to current_module.ImportLibraryList.Count-1 do
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          begin
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            ImportLibrary:=TImportLibrary(current_module.ImportLibraryList[i]);
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            current_module.linkothersharedlibs.add(ImportLibrary.Name,link_always);
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          end;
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      end;
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{*****************************************************************************
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                                  TLINKERBSD
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*****************************************************************************}
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Constructor TLinkerBSD.Create;
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begin
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  Inherited Create;
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  if not Dontlinkstdlibpath Then
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   if not(target_info.system in systems_darwin) then
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     LibrarySearchPath.AddPath(sysrootpath,'/lib;/usr/lib;/usr/X11R6/lib',true)
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   else
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     { Mac OS X doesn't have a /lib }
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     LibrarySearchPath.AddPath(sysrootpath,'/usr/lib',true)
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end;
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procedure TLinkerBSD.SetDefaultInfo;
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{
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  This will also detect which libc version will be used
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}
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begin
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  LibrarySuffix:=' ';
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  LdSupportsNoResponseFile := (target_info.system in ([system_m68k_netbsd]+systems_darwin));
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  with Info do
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   begin
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     if LdSupportsNoResponseFile then
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       begin
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         if not(target_info.system in systems_darwin) then
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           begin
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             ExeCmd[1]:='ld $OPT $DYNLINK $STATIC $GCSECTIONS $STRIP -L. -o $EXE `cat $RES`';
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             DllCmd[1]:='ld $OPT -shared -L. -o $EXE `cat $RES`'
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           end
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         else
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           begin
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{$ifndef cpu64bitaddr}
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             { Set the size of the page at address zero to 64kb, so nothing
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               is loaded below that address. This avoids problems with the
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               strange Windows-compatible resource handling that assumes
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               that addresses below 64kb do not exist.
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               On 64bit systems, page zero is 4GB by default, so no problems
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               there.
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             }
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             ExeCmd[1]:='ld $PRTOBJ $OPT $DYNLINK $STATIC $GCSECTIONS $STRIP -pagezero_size 0x10000 -multiply_defined suppress -L. -o $EXE `cat $RES`';
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{$else ndef cpu64bitaddr}
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             ExeCmd[1]:='ld $PRTOBJ $OPT $DYNLINK $STATIC $GCSECTIONS $STRIP -multiply_defined suppress -L. -o $EXE `cat $RES`';
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{$endif ndef cpu64bitaddr}
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             if (apptype<>app_bundle) then
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               DllCmd[1]:='ld $PRTOBJ $OPT $GCSECTIONS -dynamic -dylib -multiply_defined suppress -L. -o $EXE `cat $RES`'
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             else
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               DllCmd[1]:='ld $PRTOBJ $OPT $GCSECTIONS -dynamic -bundle -multiply_defined suppress -L. -o $EXE `cat $RES`'
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           end
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       end
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     else
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       begin
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         ExeCmd[1]:='ld $OPT $DYNLINK $STATIC  $GCSECTIONS $STRIP -L. -o $EXE $RES';
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         DllCmd[1]:='ld $OPT $INIT $FINI $SONAME -shared -L. -o $EXE $RES';
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       end;
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     if not(target_info.system in systems_darwin) then
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       DllCmd[2]:='strip --strip-unneeded $EXE'
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     else
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       DllCmd[2]:='strip -x $EXE';
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      DynamicLinker:='';
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   end;
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end;
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procedure TLinkerBSD.LoadPredefinedLibraryOrder;
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// put your linkorder/linkalias overrides here.
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// Note: assumes only called when reordering/aliasing is used.
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Begin
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  if not(target_info.system in systems_darwin) then
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    begin
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      if (target_info.system =system_i386_freebsd) and
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         not (cs_link_no_default_lib_order in  current_settings.globalswitches) Then
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        Begin
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          LinkLibraryOrder.add('gcc','',15);
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          LinkLibraryOrder.add('c','',50);		     // c and c_p mutual. excl?
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          LinkLibraryOrder.add('c_p','',55);
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          LinkLibraryOrder.add('pthread','',75);	     // pthread and c_r should be mutually exclusive
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          LinkLibraryOrder.add('c_r','',76);
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          LinkLibraryOrder.add('kvm','',80);		     // must be before ncurses
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          if (cs_link_pthread in current_settings.globalswitches) Then     // convert libpthread to libc_r.
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            LinkLibraryAliases.add('pthread','c_r');
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        end;
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    end
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else
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    begin
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          LinkLibraryOrder.add('gcc','',15);
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          LinkLibraryOrder.add('c','',50);
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   end;
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End;
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Function TLinkerBSD.GetDarwinPrtobjName(isdll: boolean): TCmdStr;
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begin
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  if not(isdll) then
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    if not(cs_profile in current_settings.moduleswitches) then
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      begin
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        if not librarysearchpath.FindFile('crt1.o',false,result) then
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          result:='/usr/lib/crt1.o';
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      end
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    else
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      begin
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        if not librarysearchpath.FindFile('gcrt1.o',false,result) then
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          result:='/usr/lib/gcrt1.o';
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      end
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  else
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    begin
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      if (apptype=app_bundle) then
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        begin
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          if not librarysearchpath.FindFile('bundle1.o',false,result) then
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            result:='/usr/lib/bundle1.o'
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        end
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      else
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        begin
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          if not librarysearchpath.FindFile('dylib1.o',false,result) then
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            result:='/usr/lib/dylib1.o'
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        end;
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    end;
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end;    
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Function TLinkerBSD.WriteResponseFile(isdll:boolean) : Boolean;
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Var
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  linkres      : TLinkRes;
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  i            : longint;
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  cprtobj,
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  gprtobj,
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  prtobj       : string[80];
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  HPath        : TCmdStrListItem;
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  s,s1,s2      : TCmdStr;
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  linkdynamic,
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  linklibc     : boolean;
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  Fl1,Fl2      : Boolean;
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  IsDarwin     : Boolean;
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  ReOrder      : Boolean;
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begin
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  WriteResponseFile:=False;
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  ReOrder:=False;
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  IsDarwin:=target_info.system in systems_darwin;
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{ set special options for some targets }
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  if not IsDarwin Then
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    begin
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      prtobj:='prt0';
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      cprtobj:='cprt0';
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      gprtobj:='gprt0';
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      linkdynamic:=not(SharedLibFiles.empty);
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      linklibc:=(SharedLibFiles.Find('c')<>nil);
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      // this one is a bit complex.
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      // Only reorder for now if -XL or -XO params are given
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      // or when -Xf.
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      reorder:= linklibc and
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                (
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                  ReorderEntries
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                   or
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                  (cs_link_pthread in current_settings.globalswitches));
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      if cs_profile in current_settings.moduleswitches then
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       begin
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         prtobj:=gprtobj;
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         AddSharedLibrary('c');
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         LibrarySuffix:='p';
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         linklibc:=true;
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       end
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      else
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       begin
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         if linklibc then
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          prtobj:=cprtobj;
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       end;
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      // after this point addition of shared libs not allowed.
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    end
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  else
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    begin
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      { for darwin: always link dynamically against libc }
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      linklibc := true;
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{$ifdef MACOSX104ORHIGHER}
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      { not sure what this is for, but gcc always links against it }
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      if not(cs_profile in current_settings.moduleswitches) then
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        AddSharedLibrary('SystemStubs')
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      else
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        AddSharedLibrary('SystemStubs_profile');
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{$endif MACOSX104ORHIGHER}
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      reorder:=reorderentries;
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      prtobj:='';
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    end;
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  if reorder Then
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     ExpandAndApplyOrder(SharedLibFiles);
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  { Open link.res file }
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  LinkRes:=TLinkRes.Create(outputexedir+Info.ResName);
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  if (target_info.system in systems_darwin) and
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     (sysrootpath<>'') then
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    begin
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      LinkRes.Add('-syslibroot');
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      LinkRes.Add(sysrootpath);
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    end;
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  if (not isdll) or
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     (apptype=app_bundle) then
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    begin
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      if (target_info.system in systems_darwin) then
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        begin
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          LinkRes.Add('-arch');
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          case target_info.system of
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            system_powerpc_darwin:
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              LinkRes.Add('ppc');
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            system_i386_darwin,
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            system_i386_iphonesim:
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              LinkRes.Add('i386');
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            system_powerpc64_darwin:
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              LinkRes.Add('ppc64');
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            system_x86_64_darwin:
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              LinkRes.Add('x86_64');
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            system_arm_darwin:
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              { don't specify architecture subtype, because then CPU_SUBTYPE_ALL
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                files, such as compiled resources, are rejected }
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              LinkRes.Add('arm');
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          end;
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      end;
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  end;
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  { Write path to search libraries }
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  HPath:=TCmdStrListItem(current_module.locallibrarysearchpath.First);
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  while assigned(HPath) do
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   begin
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     if LdSupportsNoResponseFile then
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       LinkRes.Add('-L'+HPath.Str)
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     else
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       LinkRes.Add('SEARCH_DIR('+maybequoted(HPath.Str)+')');
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     HPath:=TCmdStrListItem(HPath.Next);
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   end;
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  HPath:=TCmdStrListItem(LibrarySearchPath.First);
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  while assigned(HPath) do
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   begin
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     if LdSupportsNoResponseFile then
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       LinkRes.Add('-L'+HPath.Str)
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     else
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       LinkRes.Add('SEARCH_DIR('+maybequoted(HPath.Str)+')');
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     HPath:=TCmdStrListItem(HPath.Next);
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   end;
 | 
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 | 
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  if (target_info.system in systems_darwin) then
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    begin
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      HPath:=TCmdStrListItem(current_module.localframeworksearchpath.First);
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						|
      while assigned(HPath) do
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       begin
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         LinkRes.Add('-F'+HPath.Str);
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         HPath:=TCmdStrListItem(HPath.Next);
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       end;
 | 
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      HPath:=TCmdStrListItem(FrameworkSearchPath.First);
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      while assigned(HPath) do
 | 
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       begin
 | 
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         LinkRes.Add('-F'+HPath.Str);
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         HPath:=TCmdStrListItem(HPath.Next);
 | 
						|
       end;
 | 
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    end;
 | 
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 | 
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  if not LdSupportsNoResponseFile then
 | 
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    LinkRes.Add('INPUT(');
 | 
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  { add objectfiles, start with prt0 always }
 | 
						|
  if prtobj<>'' then
 | 
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   LinkRes.AddFileName(FindObjectFile(prtobj,'',false));
 | 
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  { try to add crti and crtbegin if linking to C }
 | 
						|
  if linklibc and
 | 
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     not IsDarwin Then
 | 
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   begin
 | 
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     if librarysearchpath.FindFile('crtbegin.o',false,s) then
 | 
						|
      LinkRes.AddFileName(s);
 | 
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     if librarysearchpath.FindFile('crti.o',false,s) then
 | 
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      LinkRes.AddFileName(s);
 | 
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   end;
 | 
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  { main objectfiles }
 | 
						|
  while not ObjectFiles.Empty do
 | 
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   begin
 | 
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     s:=ObjectFiles.GetFirst;
 | 
						|
     if s<>'' then
 | 
						|
      if LdSupportsNoResponseFile then
 | 
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        LinkRes.AddFileName(s)
 | 
						|
      else
 | 
						|
        LinkRes.AddFileName(maybequoted(s));
 | 
						|
   end;
 | 
						|
  if not LdSupportsNoResponseFile then
 | 
						|
   LinkRes.Add(')');
 | 
						|
 | 
						|
  { Write staticlibraries }
 | 
						|
  if not StaticLibFiles.Empty then
 | 
						|
   begin
 | 
						|
     if not LdSupportsNoResponseFile then
 | 
						|
       LinkRes.Add('GROUP(');
 | 
						|
     While not StaticLibFiles.Empty do
 | 
						|
      begin
 | 
						|
        S:=StaticLibFiles.GetFirst;
 | 
						|
        if LdSupportsNoResponseFile then
 | 
						|
          LinkRes.AddFileName(s)
 | 
						|
        else
 | 
						|
          LinkRes.AddFileName(maybequoted(s))
 | 
						|
      end;
 | 
						|
     if not LdSupportsNoResponseFile then
 | 
						|
       LinkRes.Add(')');
 | 
						|
   end;
 | 
						|
 | 
						|
  { Write sharedlibraries like -l<lib>, also add the needed dynamic linker
 | 
						|
    here to be sure that it gets linked this is needed for glibc2 systems (PFV) }
 | 
						|
  if not SharedLibFiles.Empty then
 | 
						|
   begin
 | 
						|
     if not LdSupportsNoResponseFile then
 | 
						|
       LinkRes.Add('INPUT(');
 | 
						|
     While not SharedLibFiles.Empty do
 | 
						|
      begin
 | 
						|
        S:=SharedLibFiles.GetFirst;
 | 
						|
        if (s<>'c') or reorder then
 | 
						|
         begin
 | 
						|
           i:=Pos(target_info.sharedlibext,S);
 | 
						|
           if i>0 then
 | 
						|
            Delete(S,i,255);
 | 
						|
           LinkRes.Add('-l'+s);
 | 
						|
         end
 | 
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        else
 | 
						|
         begin
 | 
						|
           linklibc:=true;
 | 
						|
           linkdynamic:=false; { libc will include the ld-* for us }
 | 
						|
         end;
 | 
						|
      end;
 | 
						|
     { be sure that libc is the last lib }
 | 
						|
     if linklibc and not reorder then
 | 
						|
       Begin
 | 
						|
         If LibrarySuffix=' ' Then
 | 
						|
          LinkRes.Add('-lc')
 | 
						|
         else
 | 
						|
          LinkRes.Add('-lc_'+LibrarySuffix);
 | 
						|
         If LibrarySuffix='r' Then
 | 
						|
             LinkRes.Add('-lc');
 | 
						|
       end;
 | 
						|
     { when we have -static for the linker the we also need libgcc }
 | 
						|
     if (cs_link_staticflag in current_settings.globalswitches) then
 | 
						|
      LinkRes.Add('-lgcc');
 | 
						|
     if linkdynamic and (Info.DynamicLinker<>'') then
 | 
						|
      LinkRes.AddFileName(Info.DynamicLinker);
 | 
						|
     if not LdSupportsNoResponseFile then
 | 
						|
       LinkRes.Add(')');
 | 
						|
   end;
 | 
						|
   
 | 
						|
  { frameworks for Darwin }
 | 
						|
  if IsDarwin then
 | 
						|
    while not FrameworkFiles.empty do
 | 
						|
      begin
 | 
						|
        LinkRes.Add('-framework');
 | 
						|
        LinkRes.Add(FrameworkFiles.GetFirst);
 | 
						|
      end;
 | 
						|
     
 | 
						|
  { objects which must be at the end }
 | 
						|
  if linklibc and
 | 
						|
     not IsDarwin Then
 | 
						|
   begin
 | 
						|
     Fl1:=librarysearchpath.FindFile('crtend.o',false,s1);
 | 
						|
     Fl2:=librarysearchpath.FindFile('crtn.o',false,s2);
 | 
						|
     if Fl1 or Fl2 then
 | 
						|
      begin
 | 
						|
        LinkRes.Add('INPUT(');
 | 
						|
         If Fl1 Then
 | 
						|
        LinkRes.AddFileName(s1);
 | 
						|
        If Fl2 Then
 | 
						|
         LinkRes.AddFileName(s2);
 | 
						|
        LinkRes.Add(')');
 | 
						|
      end;
 | 
						|
   end;
 | 
						|
{ Write and Close response }
 | 
						|
  linkres.writetodisk;
 | 
						|
  linkres.Free;
 | 
						|
 | 
						|
  WriteResponseFile:=True;
 | 
						|
end;
 | 
						|
 | 
						|
 | 
						|
function TLinkerBSD.MakeExecutable:boolean;
 | 
						|
var
 | 
						|
  binstr,
 | 
						|
  cmdstr,
 | 
						|
  extdbgbinstr,
 | 
						|
  extdbgcmdstr: TCmdStr;
 | 
						|
  linkscript: TAsmScript;
 | 
						|
  DynLinkStr : string[60];
 | 
						|
  GCSectionsStr,
 | 
						|
  StaticStr,
 | 
						|
  StripStr   : string[63];
 | 
						|
  success : boolean;
 | 
						|
begin
 | 
						|
  if not(cs_link_nolink in current_settings.globalswitches) then
 | 
						|
   Message1(exec_i_linking,current_module.exefilename^);
 | 
						|
 | 
						|
{ Create some replacements }
 | 
						|
  StaticStr:='';
 | 
						|
  StripStr:='';
 | 
						|
  DynLinkStr:='';
 | 
						|
  GCSectionsStr:='';
 | 
						|
  if (cs_link_staticflag in current_settings.globalswitches) then
 | 
						|
    begin
 | 
						|
      if (target_info.system=system_m68k_netbsd) and
 | 
						|
         ((cs_link_on_target in current_settings.globalswitches) or
 | 
						|
          (target_info.system=source_info.system)) then
 | 
						|
        StaticStr:='-Bstatic'
 | 
						|
      else
 | 
						|
        StaticStr:='-static';
 | 
						|
    end;
 | 
						|
  if (cs_link_strip in current_settings.globalswitches) then
 | 
						|
    if (target_info.system in systems_darwin) then
 | 
						|
      StripStr:='-x'
 | 
						|
    else
 | 
						|
      StripStr:='-s';
 | 
						|
 | 
						|
  if (cs_link_smart in current_settings.globalswitches) and
 | 
						|
     (tf_smartlink_sections in target_info.flags) then
 | 
						|
    if not(target_info.system in systems_darwin) then
 | 
						|
      GCSectionsStr:='--gc-sections'
 | 
						|
    else
 | 
						|
      GCSectionsStr:='-dead_strip -no_dead_strip_inits_and_terms';
 | 
						|
 | 
						|
   if(not(target_info.system in systems_darwin) and
 | 
						|
      (cs_profile in current_settings.moduleswitches)) or
 | 
						|
     ((Info.DynamicLinker<>'') and (not SharedLibFiles.Empty)) then
 | 
						|
   DynLinkStr:='-dynamic-linker='+Info.DynamicLinker;
 | 
						|
 | 
						|
  if CShared Then
 | 
						|
   begin
 | 
						|
   if not(target_info.system in systems_darwin) then
 | 
						|
     DynLinKStr:=DynLinkStr+' --shared'
 | 
						|
    else
 | 
						|
     DynLinKStr:=DynLinkStr+' -dynamic'; // one dash!
 | 
						|
   end;
 | 
						|
{ Write used files and libraries }
 | 
						|
  WriteResponseFile(false);
 | 
						|
 | 
						|
{ Call linker }
 | 
						|
  SplitBinCmd(Info.ExeCmd[1],binstr,cmdstr);
 | 
						|
  Replace(cmdstr,'$EXE',maybequoted(current_module.exefilename^));
 | 
						|
  Replace(cmdstr,'$OPT',Info.ExtraOptions);
 | 
						|
  Replace(cmdstr,'$RES',maybequoted(outputexedir+Info.ResName));
 | 
						|
  Replace(cmdstr,'$STATIC',StaticStr);
 | 
						|
  Replace(cmdstr,'$STRIP',StripStr);
 | 
						|
  Replace(cmdstr,'$GCSECTIONS',GCSectionsStr);
 | 
						|
  Replace(cmdstr,'$DYNLINK',DynLinkStr);
 | 
						|
  if (target_info.system in systems_darwin) then
 | 
						|
    Replace(cmdstr,'$PRTOBJ',GetDarwinPrtobjName(false));
 | 
						|
  BinStr:=FindUtil(utilsprefix+BinStr);
 | 
						|
 | 
						|
  { create dsym file? }
 | 
						|
  extdbgbinstr:='';
 | 
						|
  extdbgcmdstr:='';
 | 
						|
  if (target_info.system in systems_darwin) and
 | 
						|
     (target_dbg.id in [dbg_dwarf2,dbg_dwarf3]) and
 | 
						|
     (cs_link_separate_dbg_file in current_settings.globalswitches) then
 | 
						|
    begin
 | 
						|
      extdbgbinstr:=FindUtil(utilsprefix+'dsymutil');
 | 
						|
      extdbgcmdstr:=maybequoted(current_module.exefilename^);
 | 
						|
    end;
 | 
						|
 | 
						|
  if (LdSupportsNoResponseFile) and
 | 
						|
     not(cs_link_nolink in current_settings.globalswitches) then
 | 
						|
    begin
 | 
						|
      { we have to use a script to use the IFS hack }
 | 
						|
      linkscript:=TAsmScriptUnix.create(outputexedir+'ppaslink');
 | 
						|
      linkscript.AddLinkCommand(BinStr,CmdStr,'');
 | 
						|
      if (extdbgcmdstr<>'') then
 | 
						|
        linkscript.AddLinkCommand(extdbgbinstr,extdbgcmdstr,'');
 | 
						|
      linkscript.WriteToDisk;
 | 
						|
      BinStr:=linkscript.fn;
 | 
						|
      if not path_absolute(BinStr) then
 | 
						|
        BinStr:='./'+BinStr;
 | 
						|
      CmdStr:='';
 | 
						|
    end;
 | 
						|
 | 
						|
  success:=DoExec(BinStr,CmdStr,true,LdSupportsNoResponseFile);
 | 
						|
  if (success and
 | 
						|
      (extdbgbinstr<>'') and
 | 
						|
      (cs_link_nolink in current_settings.globalswitches)) then
 | 
						|
    success:=DoExec(extdbgbinstr,extdbgcmdstr,false,LdSupportsNoResponseFile);
 | 
						|
 | 
						|
{ Remove ReponseFile }
 | 
						|
  if (success) and not(cs_link_nolink in current_settings.globalswitches) then
 | 
						|
   begin
 | 
						|
     DeleteFile(outputexedir+Info.ResName);
 | 
						|
     if LdSupportsNoResponseFile Then
 | 
						|
       begin
 | 
						|
         DeleteFile(linkscript.fn);
 | 
						|
         linkscript.free
 | 
						|
       end; 
 | 
						|
   end;
 | 
						|
 | 
						|
  MakeExecutable:=success;   { otherwise a recursive call to link method }
 | 
						|
end;
 | 
						|
 | 
						|
 | 
						|
Function TLinkerBSD.MakeSharedLibrary:boolean;
 | 
						|
var
 | 
						|
  InitStr,
 | 
						|
  FiniStr,
 | 
						|
  SoNameStr : string[80];
 | 
						|
  linkscript: TAsmScript;
 | 
						|
  binstr,
 | 
						|
  cmdstr,
 | 
						|
  extdbgbinstr,
 | 
						|
  extdbgcmdstr  : TCmdStr;
 | 
						|
  GCSectionsStr : string[63];
 | 
						|
  exportedsyms: text;
 | 
						|
  success : boolean;
 | 
						|
begin
 | 
						|
  MakeSharedLibrary:=false;
 | 
						|
  GCSectionsStr:='';
 | 
						|
  if not(cs_link_nolink in current_settings.globalswitches) then
 | 
						|
   Message1(exec_i_linking,current_module.sharedlibfilename^);
 | 
						|
 | 
						|
{ Write used files and libraries }
 | 
						|
  WriteResponseFile(true);
 | 
						|
 | 
						|
  if (cs_link_smart in current_settings.globalswitches) and
 | 
						|
     (tf_smartlink_sections in target_info.flags) then
 | 
						|
    if not(target_info.system in systems_darwin) then
 | 
						|
     { disabled because not tested
 | 
						|
      GCSectionsStr:='--gc-sections' }
 | 
						|
    else
 | 
						|
      GCSectionsStr:='-dead_strip -no_dead_strip_inits_and_terms';
 | 
						|
 | 
						|
  InitStr:='-init FPC_LIB_START';
 | 
						|
  FiniStr:='-fini FPC_LIB_EXIT';
 | 
						|
  SoNameStr:='-soname '+ExtractFileName(current_module.sharedlibfilename^);
 | 
						|
 | 
						|
{ Call linker }
 | 
						|
  SplitBinCmd(Info.DllCmd[1],binstr,cmdstr);
 | 
						|
{$ifndef darwin}
 | 
						|
  Replace(cmdstr,'$EXE',maybequoted(current_module.sharedlibfilename^));
 | 
						|
{$else darwin}
 | 
						|
  Replace(cmdstr,'$EXE',maybequoted(ExpandFileName(current_module.sharedlibfilename^)));
 | 
						|
{$endif darwin}
 | 
						|
  Replace(cmdstr,'$OPT',Info.ExtraOptions);
 | 
						|
  Replace(cmdstr,'$RES',maybequoted(outputexedir+Info.ResName));
 | 
						|
  Replace(cmdstr,'$INIT',InitStr);
 | 
						|
  Replace(cmdstr,'$FINI',FiniStr);
 | 
						|
  Replace(cmdstr,'$GCSECTIONS',GCSectionsStr);
 | 
						|
  Replace(cmdstr,'$SONAME',SoNameStr);
 | 
						|
  if (target_info.system in systems_darwin) then
 | 
						|
    Replace(cmdstr,'$PRTOBJ',GetDarwinPrtobjName(true));
 | 
						|
  BinStr:=FindUtil(utilsprefix+BinStr);
 | 
						|
 | 
						|
  { create dsym file? }
 | 
						|
  extdbgbinstr:='';
 | 
						|
  extdbgcmdstr:='';
 | 
						|
  if (target_info.system in systems_darwin) and
 | 
						|
     (target_dbg.id in [dbg_dwarf2,dbg_dwarf3]) and
 | 
						|
     (cs_link_separate_dbg_file in current_settings.globalswitches) then
 | 
						|
    begin
 | 
						|
      extdbgbinstr:=FindUtil(utilsprefix+'dsymutil');
 | 
						|
      extdbgcmdstr:=maybequoted(current_module.sharedlibfilename^);
 | 
						|
    end;
 | 
						|
 | 
						|
  if (target_info.system in systems_darwin) then
 | 
						|
    begin
 | 
						|
      { exported symbols for darwin }
 | 
						|
      if not texportlibunix(exportlib).exportedsymnames.empty then
 | 
						|
        begin
 | 
						|
          assign(exportedsyms,outputexedir+'linksyms.fpc');
 | 
						|
          rewrite(exportedsyms);
 | 
						|
          repeat
 | 
						|
            writeln(exportedsyms,texportlibunix(exportlib).exportedsymnames.getfirst);
 | 
						|
          until texportlibunix(exportlib).exportedsymnames.empty;
 | 
						|
          close(exportedsyms);
 | 
						|
          cmdstr:=cmdstr+' -exported_symbols_list '+maybequoted(outputexedir)+'linksyms.fpc';
 | 
						|
        end;
 | 
						|
    end;
 | 
						|
 | 
						|
  if (LdSupportsNoResponseFile) and
 | 
						|
     not(cs_link_nolink in current_settings.globalswitches) then
 | 
						|
    begin
 | 
						|
      { we have to use a script to use the IFS hack }
 | 
						|
      linkscript:=TAsmScriptUnix.create(outputexedir+'ppaslink');
 | 
						|
      linkscript.AddLinkCommand(BinStr,CmdStr,'');
 | 
						|
      if (extdbgbinstr<>'') then
 | 
						|
        linkscript.AddLinkCommand(extdbgbinstr,extdbgcmdstr,'');
 | 
						|
      linkscript.WriteToDisk;
 | 
						|
      BinStr:=linkscript.fn;
 | 
						|
      if not path_absolute(BinStr) then
 | 
						|
        BinStr:='./'+BinStr;
 | 
						|
      CmdStr:='';
 | 
						|
    end;
 | 
						|
 | 
						|
  success:=DoExec(BinStr,cmdstr,true,LdSupportsNoResponseFile);
 | 
						|
  if (success and
 | 
						|
      (extdbgbinstr<>'') and
 | 
						|
      (cs_link_nolink in current_settings.globalswitches)) then
 | 
						|
    success:=DoExec(extdbgbinstr,extdbgcmdstr,false,LdSupportsNoResponseFile);
 | 
						|
 | 
						|
{ Strip the library ? }
 | 
						|
  if success and (cs_link_strip in current_settings.globalswitches) then
 | 
						|
   begin
 | 
						|
     SplitBinCmd(Info.DllCmd[2],binstr,cmdstr);
 | 
						|
     Replace(cmdstr,'$EXE',maybequoted(current_module.sharedlibfilename^));
 | 
						|
     success:=DoExec(FindUtil(utilsprefix+binstr),cmdstr,false,false);
 | 
						|
   end;
 | 
						|
 | 
						|
{ Remove ReponseFile }
 | 
						|
  if (success) and not(cs_link_nolink in current_settings.globalswitches) then
 | 
						|
    begin
 | 
						|
      DeleteFile(outputexedir+Info.ResName);
 | 
						|
      if LdSupportsNoResponseFile Then
 | 
						|
        begin
 | 
						|
          DeleteFile(linkscript.fn);
 | 
						|
          linkscript.free
 | 
						|
        end;
 | 
						|
      if (target_info.system in systems_darwin) then
 | 
						|
        DeleteFile(outputexedir+'linksyms.fpc');
 | 
						|
    end;     
 | 
						|
 | 
						|
  MakeSharedLibrary:=success;   { otherwise a recursive call to link method }
 | 
						|
end;
 | 
						|
 | 
						|
 | 
						|
{*****************************************************************************
 | 
						|
                                     Initialize
 | 
						|
*****************************************************************************}
 | 
						|
 | 
						|
initialization
 | 
						|
{$ifdef x86_64}
 | 
						|
  RegisterExternalLinker(system_x86_64_FreeBSD_info,TLinkerBSD);
 | 
						|
  RegisterImport(system_x86_64_freebsd,timportlibbsd);
 | 
						|
  RegisterExport(system_x86_64_freebsd,texportlibbsd);
 | 
						|
  RegisterTarget(system_x86_64_freebsd_info);
 | 
						|
 | 
						|
  RegisterExternalLinker(system_x86_64_darwin_info,TLinkerBSD);
 | 
						|
  RegisterImport(system_x86_64_darwin,timportlibdarwin);
 | 
						|
  RegisterExport(system_x86_64_darwin,texportlibdarwin);
 | 
						|
  RegisterTarget(system_x86_64_darwin_info);
 | 
						|
{$endif}
 | 
						|
{$ifdef i386}
 | 
						|
  RegisterExternalLinker(system_i386_FreeBSD_info,TLinkerBSD);
 | 
						|
  RegisterExternalLinker(system_i386_NetBSD_info,TLinkerBSD);
 | 
						|
  RegisterExternalLinker(system_i386_OpenBSD_info,TLinkerBSD);
 | 
						|
  RegisterImport(system_i386_freebsd,timportlibbsd);
 | 
						|
  RegisterExport(system_i386_freebsd,texportlibbsd);
 | 
						|
  RegisterTarget(system_i386_freebsd_info);
 | 
						|
  RegisterImport(system_i386_netbsd,timportlibbsd);
 | 
						|
  RegisterExport(system_i386_netbsd,texportlibbsd);
 | 
						|
  RegisterTarget(system_i386_netbsd_info);
 | 
						|
  RegisterImport(system_i386_openbsd,timportlibbsd);
 | 
						|
  RegisterExport(system_i386_openbsd,texportlibbsd);
 | 
						|
  RegisterTarget(system_i386_openbsd_info);
 | 
						|
  RegisterExternalLinker(system_i386_darwin_info,TLinkerBSD);
 | 
						|
  RegisterImport(system_i386_darwin,timportlibdarwin);
 | 
						|
  RegisterExport(system_i386_darwin,texportlibdarwin);
 | 
						|
  RegisterTarget(system_i386_darwin_info);
 | 
						|
  RegisterExternalLinker(system_i386_iphonesim_info,TLinkerBSD);
 | 
						|
  RegisterImport(system_i386_iphonesim,timportlibdarwin);
 | 
						|
  RegisterExport(system_i386_iphonesim,texportlibdarwin);
 | 
						|
  RegisterTarget(system_i386_iphonesim_info);
 | 
						|
{$endif i386}
 | 
						|
{$ifdef m68k}
 | 
						|
//  RegisterExternalLinker(system_m68k_FreeBSD_info,TLinkerBSD);
 | 
						|
  RegisterExternalLinker(system_m68k_NetBSD_info,TLinkerBSD);
 | 
						|
  RegisterImport(system_m68k_netbsd,timportlibbsd);
 | 
						|
  RegisterExport(system_m68k_netbsd,texportlibbsd);
 | 
						|
  RegisterTarget(system_m68k_netbsd_info);
 | 
						|
{$endif m68k}
 | 
						|
{$ifdef powerpc}
 | 
						|
//  RegisterExternalLinker(system_m68k_FreeBSD_info,TLinkerBSD);
 | 
						|
  RegisterExternalLinker(system_powerpc_darwin_info,TLinkerBSD);
 | 
						|
  RegisterImport(system_powerpc_darwin,timportlibdarwin);
 | 
						|
  RegisterExport(system_powerpc_darwin,texportlibdarwin);
 | 
						|
  RegisterTarget(system_powerpc_darwin_info);
 | 
						|
 | 
						|
  RegisterExternalLinker(system_powerpc_netbsd_info,TLinkerBSD);
 | 
						|
  RegisterImport(system_powerpc_netbsd,timportlibbsd);
 | 
						|
  RegisterExport(system_powerpc_netbsd,texportlibbsd);
 | 
						|
  RegisterTarget(system_powerpc_netbsd_info);
 | 
						|
{$endif powerpc}
 | 
						|
{$ifdef powerpc64}
 | 
						|
  RegisterExternalLinker(system_powerpc64_darwin_info,TLinkerBSD);
 | 
						|
  RegisterImport(system_powerpc64_darwin,timportlibdarwin);
 | 
						|
  RegisterExport(system_powerpc64_darwin,texportlibdarwin);
 | 
						|
  RegisterTarget(system_powerpc64_darwin_info);
 | 
						|
{$endif powerpc64}
 | 
						|
{$ifdef arm}
 | 
						|
  RegisterExternalLinker(system_arm_darwin_info,TLinkerBSD);
 | 
						|
  RegisterImport(system_arm_darwin,timportlibdarwin);
 | 
						|
  RegisterExport(system_arm_darwin,texportlibdarwin);
 | 
						|
  RegisterTarget(system_arm_darwin_info);
 | 
						|
{$endif arm}
 | 
						|
 | 
						|
  RegisterRes(res_elf_info,TWinLikeResourceFile);
 | 
						|
  RegisterRes(res_macho_info,TWinLikeResourceFile);
 | 
						|
end.
 |