diff -r 65ac809db5a8 -r 4afa820d78b9 usr/src/lib/libc/i386/Makefile.com
--- a/usr/src/lib/libc/i386/Makefile.com	Wed Dec 08 20:51:19 2010 -0500
+++ b/usr/src/lib/libc/i386/Makefile.com	Thu Dec 09 22:32:39 2010 +0100
@@ -1262,15 +1262,9 @@
 
 GENASSYM_C = $(LIBCDIR)/$(MACH)/genassym.c
 
-# XXX	A hack.  Perhaps this should be 'CPPFLAGS.native' and
-#	live in Makefile.master
-
-CPPFLAGS.genassym = \
-	$(ENVCPPFLAGS1) $(ENVCPPFLAGS2) $(ENVCPPFLAGS3) $(ENVCPPFLAGS4)
-
 genassym: $(GENASSYM_C)
 	$(NATIVECC) -I$(LIBCBASE)/inc -I$(LIBCDIR)/inc	\
-		-D__EXTENSIONS__ $(CPPFLAGS.genassym) -o $@ $(GENASSYM_C)
+		-D__EXTENSIONS__ $(CPPFLAGS.native) -o $@ $(GENASSYM_C)
 
 OFFSETS = $(LIBCDIR)/$(MACH)/offsets.in