5196 The cw wrapper restricts gcc to -O2

*** 17,26 ****
--- 17,27 ----
  # information: Portions Copyright [yyyy] [name of copyright owner]
  #
  # CDDL HEADER END
  #
  #
+ # Copyright 2014 Gary Mills
  # Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  # Use is subject to license terms.
  #
  #
  #       This makefile drives the production of the mac driver 
*** 56,66 ****
  #
  #       Overrides.
  #
  CFLAGS                          += $(CCVERBOSE)
  $(RELEASE_BUILD)CFLAGS          += -xinline=auto -xcrossfile
! $(RELEASE_BUILD)COPTIMIZE       = -xO5
  LDFLAGS                         += -dy
  INC_PATH                        += -I$(UTSBASE)/common/io/bpf
  
  LINTTAGS                        += -erroff=E_PTRDIFF_OVERFLOW
  LINTTAGS                        += -erroff=E_BAD_PTR_CAST_ALIGN
--- 57,67 ----
  #
  #       Overrides.
  #
  CFLAGS                          += $(CCVERBOSE)
  $(RELEASE_BUILD)CFLAGS          += -xinline=auto -xcrossfile
! $(RELEASE_BUILD)COPTIMIZE       = -_cc=-xO5 -_gcc=-O2
  LDFLAGS                         += -dy
  INC_PATH                        += -I$(UTSBASE)/common/io/bpf
  
  LINTTAGS                        += -erroff=E_PTRDIFF_OVERFLOW
  LINTTAGS                        += -erroff=E_BAD_PTR_CAST_ALIGN