Index: kernel/Makefile
===================================================================
--- kernel/Makefile	(revision 473e69345f542ae9a9eb34d76547b54f2492e511)
+++ kernel/Makefile	(revision 92d349c80662def05860f28f084b4090967b8361)
@@ -39,5 +39,9 @@
 DEFS = -D$(ARCH) -DARCH=\"$(ARCH)\" -DRELEASE=\"$(RELEASE)\" "-DNAME=\"$(NAME)\"" -DKERNEL
 CFLAGS = -fno-builtin -fomit-frame-pointer -Wall -Wmissing-prototypes -Werror -O3 -nostdlib -nostdinc -Igeneric/include/
-#SUNCC_CFLAGS = -xO3 -Igeneric/include/ -xnolib -xc99=all -D__FUNCTION__=__func__
+
+#SUNCC_CFLAGS = -xO3 -Igeneric/include/ -xnolib -xc99=all \
+#-D__FUNCTION__=__func__ -features=extensions \
+#-erroff=E_ZERO_SIZED_STRUCT_UNION
+
 LFLAGS = -M
 AFLAGS =