broken world

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>>> stage 2.3: build tools
--------------------------------------------------------------
cd /usr/src; MAKEOBJDIRPREFIX=/usr/obj  DESTDIR=  INSTALL="sh  
/usr/src/tools/install.sh"   
PATH=/usr/obj/usr/src/i386/legacy/usr/sbin:/usr/obj/usr/src/i386/legacy/usr/bin:/usr/obj/usr/src/i386/legacy/usr/games:/sbin:/bin:/usr/sbin:/usr/bin   
WORLDTMP=/usr/obj/usr/src/i386  MAKEFLAGS="-m /usr/src/tools/build/mk  -m  
/usr/src/share/mk" make -f Makefile.inc1  BOOTSTRAPPING=502010 -DNOLINT  
-DNO_CPU_CFLAGS -DNO_WARNS build-tools
===> bin/csh
grep 'ERR_' /usr/src/bin/csh/../../contrib/tcsh/sh.err.c | grep '^#define'  
>> sh.err.h
cc -E -O -pipe -I. -I/usr/src/bin/csh  
-I/usr/src/bin/csh/../../contrib/tcsh -D_PATH_TCSHELL='"/bin/csh"'   
-I/usr/obj/usr/src/i386/legacy/usr/include  
/usr/src/bin/csh/../../contrib/tcsh/tc.const.c  
/usr/src/bin/csh/../../contrib/tcsh/sh.char.h /usr/src/bin/csh/config.h  
/usr/src/bin/csh/../../contrib/tcsh/config_f.h  
/usr/src/bin/csh/../../contrib/tcsh/sh.types.h sh.err.h -D_h_tc_const |  
grep 'Char STR' |  sed -e 's/Char \([a-zA-Z0-9_]*\)\(.*\)/extern Char  
\1[];/' |  sort >> tc.const.h
cc -o gethost  -L/usr/obj/usr/src/i386/legacy/usr/lib -O -pipe -I.  
-I/usr/src/bin/csh -I/usr/src/bin/csh/../../contrib/tcsh  
-D_PATH_TCSHELL='"/bin/csh"'  -I/usr/obj/usr/src/i386/legacy/usr/include  
/usr/src/bin/csh/../../contrib/tcsh/gethost.c
===> bin/sh
cc -O -pipe -DSHELL -I. -I/usr/src/bin/sh   
-I/usr/obj/usr/src/i386/legacy/usr/include -c /usr/src/bin/sh/mkinit.c
cc -O -pipe -DSHELL -I. -I/usr/src/bin/sh   
-I/usr/obj/usr/src/i386/legacy/usr/include  -static  
-L/usr/obj/usr/src/i386/legacy/usr/lib mkinit.o  -o mkinit
cc -O -pipe -DSHELL -I. -I/usr/src/bin/sh   
-I/usr/obj/usr/src/i386/legacy/usr/include -c /usr/src/bin/sh/mknodes.c
cc -O -pipe -DSHELL -I. -I/usr/src/bin/sh   
-I/usr/obj/usr/src/i386/legacy/usr/include  -static  
-L/usr/obj/usr/src/i386/legacy/usr/lib mknodes.o  -o mknodes
cc -O -pipe -DSHELL -I. -I/usr/src/bin/sh   
-I/usr/obj/usr/src/i386/legacy/usr/include -c /usr/src/bin/sh/mksyntax.c
cc -O -pipe -DSHELL -I. -I/usr/src/bin/sh   
-I/usr/obj/usr/src/i386/legacy/usr/include  -static  
-L/usr/obj/usr/src/i386/legacy/usr/lib mksyntax.o  -o mksyntax
===> rescue/rescue
make: don't know how to make build-tools. Stop
*** Error code 2

Stop in /usr/src.
*** Error code 1

Stop in /usr/src.
*** Error code 1

Stop in /usr/src.

what's wrong??