-if "%LIBC_BUILD%" == "Y" set PRELUDE=%TOOLS%\ndk\libc\imports\libcpre.o
-if "%CLIB_BUILD%" == "Y" set PRELUDE=%TOOLS%\codewar\pdk_21\novell support\metrowerks support\libraries\runtime\nwpre.obj
-
+if "%GNUC%" == "Y" goto gnuc
+if "%LIBC_BUILD%" == "Y" set PRELUDE=%IMPORTS%\libcpre.o
+rem if "%CLIB_BUILD%" == "Y" set PRELUDE=%IMPORTS%\clibpre.o
+if "%CLIB_BUILD%" == "Y" set PRELUDE=%IMPORTS%\prelude.o
+echo using MetroWerks CodeWarrior
+goto info
+
+:gnuc
+if "%LIBC_BUILD%" == "Y" set PRELUDE=%IMPORTS%\libcpre.gcc.o
+rem if "%CLIB_BUILD%" == "Y" set PRELUDE=%IMPORTS%\clibpre.gcc.o
+if "%CLIB_BUILD%" == "Y" set PRELUDE=%IMPORTS%\prelude.gcc.o
+echo using GNU GCC Compiler
+
+:info
+echo.