6648 illumos build should be explicit about C standards

@@ -21,11 +21,10 @@
 
 #
 # 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

@@ -81,12 +80,12 @@
 
 #
 # Create assym.h
 #
 $(GENASSYM): $(GENASSYM_SRC)
-        $(NATIVECC) $(ALWAYS_DEFS) $(GENASSYM_DEFS) $(NATIVE_INC_PATH) \
-           -o $@ $(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) >>$@
         $(GENASSYM) >>$@