Index: configure.ac
===================================================================
--- configure.ac	(revision 330)
+++ configure.ac	(working copy)
@@ -18,7 +18,7 @@
 
 AM_CONDITIONAL(HAS_NETWORKING,test "$HAS_NETWORKING" = "yes")
 
-RTEMS_BSPOPTS_SET([PPC_USE_SPRG],[*],[1])
+RTEMS_BSPOPTS_SET([PPC_USE_SPRG],[*],[])
 RTEMS_BSPOPTS_HELP([PPC_USE_SPRG],
 [If defined, then the PowerPC specific code in RTEMS will use some
  of the special purpose registers to slightly optimize interrupt  
