Makefile Problem of FreeBSD-Current

[bycn82]

As you can see below . it still did not find the src.opts.mk


root at FB10Head:/usr/src/sbin/ipfw # make
make: "/usr/src/sbin/ipfw/Makefile" line 3: Could not find src.opts.mk
make: "/usr/src/sbin/ipfw/Makefile" line 9: Malformed conditional 
(${MK_PF} != "no")
make: "/usr/src/sbin/ipfw/../Makefile.inc" line 4: Could not find 
src.opts.mk
make: "/usr/src/sbin/ipfw/../Makefile.inc" line 9: Malformed conditional 
(${MK_DYNAMICROOT} == "no")
make: Fatal errors encountered -- cannot continue
make: stopped in /usr/src/sbin/ipfw
root at FB10Head:/usr/src/sbin/ipfw # uname -a
FreeBSD FB10Head 11.0-CURRENT FreeBSD 11.0-CURRENT #0 r265868: Sun May 
11 11:44:35 UTC 2014     root at FB10Head:/usr/obj/usr/src/sys/GENERIC  amd64