/home/slyubez/ibx/runtime/IBCustomDataSet.pas(1041,18) Error: Incompatible types: got "AnsiString" expected "Pointer"
...
//вот одна из строк, дающая этот баг, 
CurBookmark := Bookmark;

function InternalLoadLibrary: TLibHandle;
  var LibName: string;
  begin
    //Use default unless FBLIB overrides
    LibName := GetEnvironmentVariable('FBLIB');
    if LibName = '' then
    begin
      if assigned(OnGetLibraryName) then
        OnGetLibraryName(LibName)
      else
        LibName := FIREBIRD_SO2;
    end;
    Result := LoadLibrary(LibName);
    {$IFDEF DARWIN}
    if Result = NilHandle then
    begin
      {See http://paulbeachsblog.blogspot.co.uk/2008/03/where-is-libfbclientdylib-on-macosx.html
       Try loading direct from Firebird Framework}

      LibName := '/Library/Frameworks/Firebird.framework/Firebird';
      Result := LoadLibrary(LibName);
    end
    {$ENDIF}
  end;