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498 lines
14 KiB
ObjectPascal
498 lines
14 KiB
ObjectPascal
{
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Copyright (c) 1998-2002 by Peter Vreman
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Copyright (c) 2008-2008 by Olivier Coursiere
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This unit implements support import,export,link routines
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for the (i386) Haiku 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_haiku;
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{$i fpcdefs.inc}
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interface
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uses
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symsym,symdef,
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import,export,link;
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type
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timportlibhaiku=class(timportlib)
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procedure generatelib;override;
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end;
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texportlibhaiku=class(texportlib)
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procedure preparelib(const s : string);override;
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procedure exportprocedure(hp : texported_item);override;
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procedure exportvar(hp : texported_item);override;
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procedure generatelib;override;
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end;
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tlinkerhaiku=class(texternallinker)
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private
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Function WriteResponseFile(isdll:boolean;makelib: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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function MakeSharedLibrary:boolean;override;
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end;
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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,i_haiku,ogbase;
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{*****************************************************************************
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TIMPORTLIBHAIKU
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*****************************************************************************}
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procedure timportlibhaiku.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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TEXPORTLIBHAIKU
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*****************************************************************************}
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procedure texportlibhaiku.preparelib(const s:string);
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begin
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end;
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procedure texportlibhaiku.exportprocedure(hp : texported_item);
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var
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hp2 : texported_item;
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begin
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{ first test the index value }
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if (hp.options and eo_index)<>0 then
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begin
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Message1(parser_e_no_export_with_index_for_target,'haiku');
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exit;
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end;
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{ now place in correct order }
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hp2:=texported_item(current_module._exports.first);
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while assigned(hp2) and
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(hp.name^>hp2.name^) do
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hp2:=texported_item(hp2.next);
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{ insert hp there !! }
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if assigned(hp2) and (hp2.name^=hp.name^) then
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begin
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{ this is not allowed !! }
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Message1(parser_e_export_name_double,hp.name^);
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exit;
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end;
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if hp2=texported_item(current_module._exports.first) then
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current_module._exports.concat(hp)
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else if assigned(hp2) then
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begin
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hp.next:=hp2;
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hp.previous:=hp2.previous;
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if assigned(hp2.previous) then
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hp2.previous.next:=hp;
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hp2.previous:=hp;
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end
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else
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current_module._exports.concat(hp);
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end;
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procedure texportlibhaiku.exportvar(hp : texported_item);
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begin
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hp.is_var:=true;
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exportprocedure(hp);
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end;
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procedure texportlibhaiku.generatelib;
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var
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hp2 : texported_item;
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pd : tprocdef;
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begin
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hp2:=texported_item(current_module._exports.first);
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while assigned(hp2) do
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begin
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if (not hp2.is_var) and
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(hp2.sym.typ=procsym) then
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begin
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{ the manglednames can already be the same when the procedure
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is declared with cdecl }
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pd:=tprocdef(tprocsym(hp2.sym).ProcdefList[0]);
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if pd.mangledname<>hp2.name^ then
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begin
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{$ifdef i386}
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{ place jump in al_procedures }
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current_asmdata.asmlists[al_procedures].concat(Tai_align.Create_op(4,$90));
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current_asmdata.asmlists[al_procedures].concat(Tai_symbol.Createname_global(hp2.name^,AT_FUNCTION,0));
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current_asmdata.asmlists[al_procedures].concat(Taicpu.Op_sym(A_JMP,S_NO,current_asmdata.RefAsmSymbol(pd.mangledname)));
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current_asmdata.asmlists[al_procedures].concat(Tai_symbol_end.Createname(hp2.name^));
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{$endif i386}
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end;
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end
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else
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Message1(parser_e_no_export_of_variables_for_target,'haiku');
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hp2:=texported_item(hp2.next);
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end;
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end;
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{*****************************************************************************
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TLINKERHAIKU
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*****************************************************************************}
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Constructor TLinkerHaiku.Create;
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var
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s : string;
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i : integer;
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begin
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Inherited Create;
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s:=GetEnvironmentVariable('BELIBRARIES');
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{ convert to correct format in case under unix system }
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for i:=1 to length(s) do
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if s[i] = ':' then
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s[i] := ';';
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{ just in case we have a single path : add the ending ; }
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{ since that is what the compiler expects. }
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if pos(';',s) = 0 then
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s:=s+';';
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LibrarySearchPath.AddPath(sysrootpath,s,true); {format:'path1;path2;...'}
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end;
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procedure TLinkerHaiku.SetDefaultInfo;
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begin
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with Info do
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begin
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ExeCmd[1]:='ld $OPT $DYNLINK $STATIC $STRIP -L. -o $EXE `cat $RES`';
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DllCmd[1]:='ld $OPT $INIT $FINI $SONAME -shared -L. -o $EXE `cat $RES`';
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DllCmd[2]:='strip --strip-unneeded $EXE';
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(*
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ExeCmd[1]:='sh $RES $EXE $OPT $STATIC $STRIP -L.';
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{ ExeCmd[1]:='sh $RES $EXE $OPT $DYNLINK $STATIC $STRIP -L.';}
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DllCmd[1]:='sh $RES $EXE $OPT -L.';
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{ DllCmd[1]:='sh $RES $EXE $OPT -L. -g -nostart -soname=$EXE';
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} DllCmd[2]:='strip --strip-unneeded $EXE';
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{ DynamicLinker:='/lib/ld-beos.so.2';}
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*)
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end;
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end;
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function TLinkerHaiku.WriteResponseFile(isdll:boolean;makelib:boolean) : Boolean;
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Var
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linkres : TLinkRes;
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i : integer;
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cprtobj,
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prtobj : string[80];
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HPath : TCmdStrListItem;
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s : TCmdStr;
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linklibc : boolean;
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begin
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WriteResponseFile:=False;
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{ set special options for some targets }
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linklibc:=(SharedLibFiles.Find('root')<>nil);
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prtobj:='prt0';
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cprtobj:='cprt0';
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if (cs_profile in current_settings.moduleswitches) or
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(not SharedLibFiles.Empty) then
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begin
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AddSharedLibrary('root');
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linklibc:=true;
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end;
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if (not linklibc) and makelib then
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begin
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linklibc:=true;
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cprtobj:='dllprt.o';
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end;
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if linklibc then
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prtobj:=cprtobj;
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{ Open link.res file }
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LinkRes:=TLinkRes.Create(outputexedir+Info.ResName);
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{
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if not isdll then
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LinkRes.Add('ld -o $1 $2 $3 $4 $5 $6 $7 $8 $9 \')
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else
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LinkRes.Add('ld -o $1 -e 0 $2 $3 $4 $5 $6 $7 $8 $9\');
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}
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LinkRes.Add('-m');
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LinkRes.Add('elf_i386_haiku');
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LinkRes.Add('-shared');
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LinkRes.Add('-Bsymbolic');
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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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LinkRes.Add('-L'+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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LinkRes.Add('-L'+HPath.Str);
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HPath:=TCmdStrListItem(HPath.Next);
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end;
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{ try to add crti and crtbegin if linking to C }
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if linklibc then
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begin
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if librarysearchpath.FindFile('crti.o',false,s) then
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LinkRes.AddFileName(s);
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if librarysearchpath.FindFile('crtbegin.o',false,s) then
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LinkRes.AddFileName(s);
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{ s:=librarysearchpath.FindFile('start_dyn.o',found)+'start_dyn.o';
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if found then LinkRes.AddFileName(s+' \');}
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if prtobj<>'' then
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LinkRes.AddFileName(FindObjectFile(prtobj,'',false));
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// if isdll then
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// LinkRes.AddFileName(FindObjectFile('func.o','',false));
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if librarysearchpath.FindFile('init_term_dyn.o',false,s) then
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LinkRes.AddFileName(s);
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end
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else
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begin
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if prtobj<>'' then
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LinkRes.AddFileName(FindObjectFile(prtobj,'',false));
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end;
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{ main objectfiles }
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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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LinkRes.AddFileName(s);
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end;
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{ LinkRes.Add('-lroot \');
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LinkRes.Add('/boot/develop/tools/gnupro/lib/gcc-lib/i586-beos/2.9-beos-991026/crtend.o \');
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LinkRes.Add('/boot/develop/lib/x86/crtn.o \');}
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{ Write staticlibraries }
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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(s)
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end;
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end;
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{ Write sharedlibraries like -l<lib> }
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if not SharedLibFiles.Empty then
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begin
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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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linklibc:=true;
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end;
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end;
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{ be sure that libc is the last lib }
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{ if linklibc then
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LinkRes.Add('-lroot');}
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{ if linkdynamic and (Info.DynamicLinker<>'') then
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LinkRes.AddFileName(Info.DynamicLinker);}
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end;
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if isdll then
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LinkRes.Add('-lroot');
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{ objects which must be at the end }
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if linklibc then
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begin
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if librarysearchpath.FindFile('crtend.o',false,s) then
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LinkRes.AddFileName(s);
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if librarysearchpath.FindFile('crtn.o',false,s) then
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LinkRes.AddFileName(s);
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end;
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{ Write and Close response }
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linkres.Add(' ');
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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 TLinkerHaiku.MakeExecutable:boolean;
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var
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binstr,
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cmdstr : TCmdStr;
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success : boolean;
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DynLinkStr : string[60];
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GCSectionsStr,
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StaticStr,
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StripStr : string[40];
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begin
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if not(cs_link_nolink in current_settings.globalswitches) then
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Message1(exec_i_linking,current_module.exefilename^);
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{ Create some replacements }
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StaticStr:='';
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StripStr:='';
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DynLinkStr:='';
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GCSectionsStr:='';
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if (cs_link_staticflag in current_settings.globalswitches) then
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StaticStr:='-static';
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if (cs_link_strip in current_settings.globalswitches) then
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StripStr:='-s';
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if (cs_link_smart in current_settings.globalswitches) and
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(tf_smartlink_sections in target_info.flags) then
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GCSectionsStr:='--gc-sections';
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If (cs_profile in current_settings.moduleswitches) or
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((Info.DynamicLinker<>'') and (not SharedLibFiles.Empty)) then
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begin
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DynLinkStr:='-dynamic-linker='+Info.DynamicLinker;
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if cshared Then
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DynLinkStr:='--shared ' + DynLinkStr;
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if rlinkpath<>'' Then
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DynLinkStr:='--rpath-link '+rlinkpath + ' '+ DynLinkStr;
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End;
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{ Write used files and libraries }
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WriteResponseFile(false,false);
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{ Call linker }
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SplitBinCmd(Info.ExeCmd[1],binstr,cmdstr);
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Replace(cmdstr,'$EXE',maybequoted(current_module.exefilename^));
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Replace(cmdstr,'$OPT',Info.ExtraOptions);
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Replace(cmdstr,'$RES',maybequoted(outputexedir+Info.ResName));
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Replace(cmdstr,'$STATIC',StaticStr);
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Replace(cmdstr,'$STRIP',StripStr);
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Replace(cmdstr,'$GCSECTIONS',GCSectionsStr);
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Replace(cmdstr,'$DYNLINK',DynLinkStr);
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success:=DoExec(FindUtil(utilsprefix+BinStr),CmdStr,true,true);
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{ Remove ReponseFile }
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if (success) and not(cs_link_nolink in current_settings.globalswitches) then
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DeleteFile(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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Function TLinkerHaiku.MakeSharedLibrary:boolean;
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var
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binstr,
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cmdstr,
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SoNameStr : TCmdStr;
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success : boolean;
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DynLinkStr : string[60];
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StaticStr,
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StripStr : string[40];
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begin
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MakeSharedLibrary:=false;
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if not(cs_link_nolink in current_settings.globalswitches) then
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Message1(exec_i_linking,current_module.sharedlibfilename^);
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{ Create some replacements }
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StaticStr:='';
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StripStr:='';
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DynLinkStr:='';
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if (cs_link_staticflag in current_settings.globalswitches) then
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StaticStr:='-static';
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if (cs_link_strip in current_settings.globalswitches) then
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StripStr:='-s';
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If (cs_profile in current_settings.moduleswitches) or
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((Info.DynamicLinker<>'') and (not SharedLibFiles.Empty)) then
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begin
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DynLinkStr:='-dynamic-linker='+Info.DynamicLinker;
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if cshared Then
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DynLinkStr:='--shared ' + DynLinkStr;
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if rlinkpath<>'' Then
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DynLinkStr:='--rpath-link '+rlinkpath + ' '+ DynLinkStr;
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End;
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{ Write used files and libraries }
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WriteResponseFile(true,true);
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SoNameStr:='-soname '+ExtractFileName(current_module.sharedlibfilename^);
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{ Call linker }
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SplitBinCmd(Info.DllCmd[1],binstr,cmdstr);
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Replace(cmdstr,'$EXE',maybequoted(current_module.sharedlibfilename^));
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Replace(cmdstr,'$OPT',Info.ExtraOptions);
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Replace(cmdstr,'$RES',maybequoted(outputexedir+Info.ResName));
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Replace(cmdstr,'$STATIC',StaticStr);
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Replace(cmdstr,'$STRIP',StripStr);
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Replace(cmdstr,'$DYNLINK',DynLinkStr);
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Replace(cmdstr,'$SONAME',SoNameStr);
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success:=DoExec(FindUtil(utilsprefix+binstr),cmdstr,true,true);
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{ Strip the library ? }
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if success and (cs_link_strip in current_settings.globalswitches) then
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begin
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SplitBinCmd(Info.DllCmd[2],binstr,cmdstr);
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Replace(cmdstr,'$EXE',maybequoted(current_module.sharedlibfilename^));
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success:=DoExec(FindUtil(utilsprefix+binstr),cmdstr,true,false);
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end;
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{ Remove ReponseFile }
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if (success) and not(cs_link_nolink in current_settings.globalswitches) then
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DeleteFile(outputexedir+Info.ResName);
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MakeSharedLibrary:=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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{$ifdef i386}
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RegisterExternalLinker(system_i386_haiku_info,TLinkerhaiku);
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RegisterImport(system_i386_haiku,timportlibhaiku);
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RegisterExport(system_i386_haiku,texportlibhaiku);
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RegisterTarget(system_i386_haiku_info);
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{$endif i386}
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end.
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