Attempted fix for AknLayout.lag appearing twice in the same location, but with different cases. This is a bit experimental as I'm doing it on a windows machine (case insensitive), so we'll see how we go.
@ECHO OFF
REM Bldmake-generated batch file - ABLD.BAT
REM ** DO NOT EDIT **
perl -S ABLD.PL "\S60\devices\S60_5th_Edition_SDK_v1.0\homescreensrv\xcfw\group\\" %1 %2 %3 %4 %5 %6 %7 %8 %9
if errorlevel==1 goto CheckPerl
goto End
:CheckPerl
perl -v >NUL
if errorlevel==1 echo Is Perl, version 5.003_07 or later, installed?
goto End
:End