* added external linker support based on 1.0 amiga support

compiler/systems/t_morph.pas

@@ -35,16 +35,196 @@ implementation
        cutils,cclasses,
        globtype,globals,systems,verbose,script,fmodule,i_morph;
 
+    type
+       PlinkerMorphOS=^TlinkerMorphOS;
+       TlinkerMorphOS=class(texternallinker)
+       private
+          Function  WriteResponseFile(isdll:boolean) : Boolean;
+       public
+          constructor Create; override;
+          procedure SetDefaultInfo; override;
+          function  MakeExecutable:boolean; override;
+       end;
+
+{****************************************************************************
+                               TLinkerMorphOS
+****************************************************************************}
+
+Constructor TLinkerMorphOS.Create;
+begin
+  Inherited Create;
+  { allow duplicated libs (PM) }
+  SharedLibFiles.doubles:=true;
+  StaticLibFiles.doubles:=true;
+end;
+
+
+procedure TLinkerMorphOS.SetDefaultInfo;
+begin
+  with Info do
+   begin
+     if (cs_link_on_target in aktglobalswitches) then
+        ExeCmd[1]:='ld $OPT $STRIP -o $EXE --script $RES'
+     else
+        ExeCmd[1]:='ld $OPT $STRIP -o $EXE $RES'
+   end;
+end;
+
+
+Function TLinkerMorphOS.WriteResponseFile(isdll:boolean) : Boolean;
+Var
+  linkres  : TLinkRes;
+  i        : longint;
+  HPath    : TStringListItem;
+  s        : string;
+  linklibc : boolean;
+begin
+  WriteResponseFile:=False;
+
+  { Open link.res file }
+  LinkRes:=TLinkRes.Create(outputexedir+Info.ResName);
+
+  { Write path to search libraries }
+  HPath:=TStringListItem(current_module.locallibrarysearchpath.First);
+  while assigned(HPath) do
+   begin
+     s:=HPath.Str;
+     if not (cs_link_on_target in aktglobalswitches) then
+       s:=GetShortName(s)
+     else
+       s:=ScriptFixFileName(s);
+     LinkRes.Add('-L'+s);
+     HPath:=TStringListItem(HPath.Next);
+   end;
+  HPath:=TStringListItem(LibrarySearchPath.First);
+  while assigned(HPath) do
+   begin
+     s:=HPath.Str;
+     if not (cs_link_on_target in aktglobalswitches) then
+       s:=GetShortName(s);
+     if s<>'' then  
+       LinkRes.Add('SEARCH_DIR('+s+')');
+     HPath:=TStringListItem(HPath.Next);
+   end;
+
+  LinkRes.Add('INPUT (');
+  { add objectfiles, start with prt0 always }
+  s:=FindObjectFile('prt0','',false);
+  if not (cs_link_on_target in aktglobalswitches) then
+    s:=GetShortName(s);
+  LinkRes.AddFileName(s);
+  while not ObjectFiles.Empty do
+   begin
+     s:=ObjectFiles.GetFirst;
+     if not (cs_link_on_target in aktglobalswitches) then
+       s:=GetShortName(s);
+     if s<>'' then
+      LinkRes.AddFileName(s);
+   end;
+  LinkRes.Add(')');
+
+  { Write staticlibraries }
+  if not StaticLibFiles.Empty then
+   begin
+     LinkRes.Add('GROUP(');
+     While not StaticLibFiles.Empty do
+      begin
+        S:=StaticLibFiles.GetFirst;
+        if not (cs_link_on_target in aktglobalswitches) then
+          s:=GetShortName(s);
+        LinkRes.AddFileName(s);
+      end;
+     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) }
+  linklibc:=false;
+  While not SharedLibFiles.Empty do
+   begin
+     S:=SharedLibFiles.GetFirst;
+     if s<>'c' then
+      begin
+        i:=Pos(target_info.sharedlibext,S);
+        if i>0 then
+         Delete(S,i,255);
+        LinkRes.Add('-l'+s);
+      end
+     else
+      begin
+        LinkRes.Add('-l'+s);
+        linklibc:=true;
+      end;
+   end;
+  { be sure that libc&libgcc is the last lib }
+  if linklibc then
+   begin
+     LinkRes.Add('-lc');
+     LinkRes.Add('-lgcc');
+   end;
+
+{ Write and Close response }
+  linkres.writetodisk;
+  linkres.free;
+
+  WriteResponseFile:=True;
+
+end;
+
+
+function TLinkerMorphOS.MakeExecutable:boolean;
+var
+  binstr,
+  cmdstr  : string;
+  success : boolean;
+  StripStr : string[40];
+begin
+
+  if not(cs_link_extern in aktglobalswitches) then
+   Message1(exec_i_linking,current_module.exefilename^);
+
+{ Create some replacements }
+  StripStr:='';
+  if (cs_link_strip in aktglobalswitches) then
+   StripStr:='-s';
+
+{ Write used files and libraries }
+  WriteResponseFile(false);
+
+{ Call linker }
+  SplitBinCmd(Info.ExeCmd[1],binstr,cmdstr);
+  if pos(' ',current_module.exefilename^)>0 then
+    Replace(cmdstr,'$EXE','"'+ScriptFixFileName(current_module.exefilename^)+'"')
+  else
+    Replace(cmdstr,'$EXE',ScriptFixFileName(current_module.exefilename^));
+  Replace(cmdstr,'$OPT',Info.ExtraOptions);
+  Replace(cmdstr,'$RES',ScriptFixFileName(outputexedir+Info.ResName));
+  Replace(cmdstr,'$STRIP',StripStr);
+  success:=DoExec(FindUtil(BinStr),cmdstr,true,false);
+
+{ Remove ReponseFile }
+  if (success) and not(cs_link_extern in aktglobalswitches) then
+   RemoveFile(outputexedir+Info.ResName);
+
+  MakeExecutable:=success;   { otherwise a recursive call to link method }
+
+end;
+
+
 {*****************************************************************************
                                      Initialize
 *****************************************************************************}
 
 initialization
+  RegisterExternalLinker(system_powerpc_morphos_info,TLinkerMorphOS);
   RegisterTarget(system_powerpc_morphos_info);
 end.
 {
   $Log$
-  Revision 1.1  2004-02-13 05:46:58  karoly
+  Revision 1.2  2004-04-08 17:11:02  karoly
+   * added external linker support based on 1.0 amiga support
+
+  Revision 1.1  2004/02/13 05:46:58  karoly
    * added powerpc-morphos target