6648 illumos build should be explicit about C standards

*** 21,31 ****
  
  #
  # Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
  # Use is subject to license terms.
  #
- # ident "%Z%%M% %I%     %E% SMI"
  #
  #       This makefile drives the production of assym.h through
  #       compile time intialized data.
  #
  #       i86xpv implementation architecture dependent
--- 21,30 ----
*** 81,92 ****
  
  #
  # Create assym.h
  #
  $(GENASSYM): $(GENASSYM_SRC)
!         $(NATIVECC) $(ALWAYS_DEFS) $(GENASSYM_DEFS) $(NATIVE_INC_PATH) \
!            -o $@ $(GENASSYM_SRC)
  
  $(ASSYM_H): $(OFFSETS_SRC) $(PLATFORM_OFFSETS_SRC) $(GENASSYM)
          $(OFFSETS_CREATE) <$(OFFSETS_SRC) >$@
          $(OFFSETS_CREATE) <$(PLATFORM_OFFSETS_SRC) >>$@
          $(GENASSYM) >>$@
--- 80,91 ----
  
  #
  # Create assym.h
  #
  $(GENASSYM): $(GENASSYM_SRC)
!         $(NATIVECC) $(NATIVE_CFLAGS) $(ALWAYS_DEFS) $(GENASSYM_DEFS) \
!             $(NATIVE_INC_PATH) -o $@ $(GENASSYM_SRC)
  
  $(ASSYM_H): $(OFFSETS_SRC) $(PLATFORM_OFFSETS_SRC) $(GENASSYM)
          $(OFFSETS_CREATE) <$(OFFSETS_SRC) >$@
          $(OFFSETS_CREATE) <$(PLATFORM_OFFSETS_SRC) >>$@
          $(GENASSYM) >>$@