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304 lines
8.2 KiB
ObjectPascal
304 lines
8.2 KiB
ObjectPascal
{
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$Id$
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Copyright (c) 2004 by Free Pascal Development Team
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This unit implements support import, export, link routines
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for the MorphOS (PowerPC) 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_morph;
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{$i fpcdefs.inc}
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interface
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implementation
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uses
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link,
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cutils,cclasses,
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globtype,globals,systems,verbose,script,fmodule,i_morph;
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type
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PlinkerMorphOS=^TlinkerMorphOS;
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TlinkerMorphOS=class(texternallinker)
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private
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Function WriteResponseFile(isdll:boolean) : Boolean;
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public
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constructor Create; override;
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procedure SetDefaultInfo; override;
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function MakeExecutable:boolean; override;
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end;
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{$IFDEF MORPHOS}
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{ * PathConv is implemented in the system unit! * }
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function PathConv(path: string): string; external name 'PATHCONV';
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{$ELSE}
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function PathConv(path: string): string;
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begin
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PathConv:=path;
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end;
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{$ENDIF}
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{****************************************************************************
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TLinkerMorphOS
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****************************************************************************}
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Constructor TLinkerMorphOS.Create;
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begin
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Inherited Create;
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{ allow duplicated libs (PM) }
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SharedLibFiles.doubles:=true;
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StaticLibFiles.doubles:=true;
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end;
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procedure TLinkerMorphOS.SetDefaultInfo;
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begin
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with Info do
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begin
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if (cs_link_on_target in aktglobalswitches) then begin
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ExeCmd[1]:='ld $OPT -o $EXE $RES';
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ExeCmd[2]:='strip --strip-unneeded --remove-section .comment $EXE';
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end else begin
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ExeCmd[1]:='fpcvlink -b elf32amiga $OPT $STRIP -o $EXE -F $RES';
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end;
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end;
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end;
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Function TLinkerMorphOS.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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HPath : TStringListItem;
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s : string;
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linklibc : boolean;
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begin
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WriteResponseFile:=False;
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{ Open link.res file }
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LinkRes:=TLinkRes.Create(outputexedir+Info.ResName);
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if (cs_link_on_target in aktglobalswitches) then begin
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{ Write path to search libraries }
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HPath:=TStringListItem(current_module.locallibrarysearchpath.First);
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while assigned(HPath) do
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begin
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s:=HPath.Str;
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if (cs_link_on_target in aktglobalswitches) then
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s:=ScriptFixFileName(s);
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LinkRes.Add('-L'+s);
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HPath:=TStringListItem(HPath.Next);
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end;
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HPath:=TStringListItem(LibrarySearchPath.First);
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while assigned(HPath) do
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begin
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s:=HPath.Str;
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if s<>'' then
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LinkRes.Add('SEARCH_DIR('+maybequoted(s)+')');
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HPath:=TStringListItem(HPath.Next);
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end;
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LinkRes.Add('INPUT (');
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{ add objectfiles, start with prt0 always }
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s:=FindObjectFile('prt0','',false);
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LinkRes.AddFileName(s);
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while not ObjectFiles.Empty do
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begin
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s:=ObjectFiles.GetFirst;
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if s<>'' then
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begin
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LinkRes.AddFileName(maybequoted(s));
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end;
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end;
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LinkRes.Add(')');
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{ Write staticlibraries }
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if not StaticLibFiles.Empty then
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begin
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LinkRes.Add('GROUP(');
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While not StaticLibFiles.Empty do
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begin
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S:=StaticLibFiles.GetFirst;
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LinkRes.AddFileName(maybequoted(s));
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end;
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LinkRes.Add(')');
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end;
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end else begin
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{ add objectfiles, start with prt0 always }
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s:=FindObjectFile('prt0','',false);
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LinkRes.AddFileName(s);
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while not ObjectFiles.Empty do
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begin
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s:=ObjectFiles.GetFirst;
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if s<>'' then
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begin
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s:=FindObjectFile(s,'',false);
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LinkRes.AddFileName(maybequoted(s));
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end;
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end;
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if not StaticLibFiles.Empty then
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begin
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While not StaticLibFiles.Empty do
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begin
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S:=StaticLibFiles.GetFirst;
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LinkRes.AddFileName(maybequoted(s));
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end;
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end;
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end;
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{ Write sharedlibraries like -l<lib>, also add the needed dynamic linker
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here to be sure that it gets linked this is needed for glibc2 systems (PFV) }
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linklibc:=false;
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While not SharedLibFiles.Empty do
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begin
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S:=SharedLibFiles.GetFirst;
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if s<>'c' then
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begin
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i:=Pos(target_info.sharedlibext,S);
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if i>0 then
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Delete(S,i,255);
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LinkRes.Add('-l'+s);
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end
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else
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begin
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LinkRes.Add('-l'+s);
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linklibc:=true;
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end;
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end;
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{ be sure that libc&libgcc is the last lib }
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if linklibc then
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begin
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LinkRes.Add('-lc');
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LinkRes.Add('-lgcc');
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end;
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{ Write and Close response }
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linkres.writetodisk;
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linkres.free;
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WriteResponseFile:=True;
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end;
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function TLinkerMorphOS.MakeExecutable:boolean;
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var
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binstr,
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cmdstr : string;
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success : boolean;
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StripStr: string[40];
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begin
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if not(cs_link_extern in aktglobalswitches) then
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Message1(exec_i_linking,current_module.exefilename^);
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if not (cs_link_on_target in aktglobalswitches) then begin
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StripStr:='';
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if (cs_link_strip in aktglobalswitches) then
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StripStr:='-s -P __abox__';
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end;
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{ Write used files and libraries }
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WriteResponseFile(false);
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{ Call linker }
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SplitBinCmd(Info.ExeCmd[1],binstr,cmdstr);
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Replace(cmdstr,'$OPT',Info.ExtraOptions);
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if not(cs_link_on_target in aktglobalswitches) then begin
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Replace(cmdstr,'$EXE',PathConv(maybequoted(ScriptFixFileName(current_module.exefilename^))));
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Replace(cmdstr,'$RES',PathConv(maybequoted(ScriptFixFileName(outputexedir+Info.ResName))));
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Replace(cmdstr,'$STRIP',StripStr);
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end else begin
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Replace(cmdstr,'$EXE',maybequoted(ScriptFixFileName(current_module.exefilename^)));
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Replace(cmdstr,'$RES',maybequoted(ScriptFixFileName(outputexedir+Info.ResName)));
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end;
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success:=DoExec(FindUtil(BinStr),cmdstr,true,false);
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{ Stripping Enabled? }
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{ For MorphOS a separate strip command is needed, to avoid stripping }
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{ __abox__ symbol, which is required to be present in current MorphOS }
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{ executables. }
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if (cs_link_on_target in aktglobalswitches) then begin
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if success and (cs_link_strip in aktglobalswitches) then
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begin
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SplitBinCmd(Info.ExeCmd[2],binstr,cmdstr);
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Replace(cmdstr,'$EXE',maybequoted(current_module.exefilename^));
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success:=DoExec(FindUtil(utilsprefix+binstr),cmdstr,true,false);
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end;
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end;
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{ Remove ReponseFile }
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if (success) and not(cs_link_extern in aktglobalswitches) then
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RemoveFile(outputexedir+Info.ResName);
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MakeExecutable:=success; { otherwise a recursive call to link method }
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end;
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{*****************************************************************************
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Initialize
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*****************************************************************************}
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initialization
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RegisterExternalLinker(system_powerpc_morphos_info,TLinkerMorphOS);
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RegisterTarget(system_powerpc_morphos_info);
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end.
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{
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$Log$
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Revision 1.11 2005-02-03 03:54:07 karoly
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t_morph.pas
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Revision 1.10 2004/12/23 18:45:23 jonas
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* fixed typo
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Revision 1.9 2004/12/22 16:32:46 peter
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* maybequoted() added
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Revision 1.8 2004/10/25 15:38:41 peter
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* heap and heapsize removed
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* checkpointer fixes
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Revision 1.7 2004/06/20 08:55:32 florian
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* logs truncated
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Revision 1.6 2004/06/08 15:04:23 karoly
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* fixed stripping really this time
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Revision 1.5 2004/06/07 23:44:37 karoly
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+ fixed stripping support
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Revision 1.4 2004/04/28 15:19:03 florian
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+ syscall directive support for MorphOS added
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Revision 1.3 2004/04/09 01:32:46 karoly
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* disable stripping in mos linking scripts.
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Revision 1.2 2004/04/08 17:11:02 karoly
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* added external linker support based on 1.0 amiga support
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}
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