all ===> sys/arch/sparc/stand/boot
making sure the sa library is up to date...
`libsa.a' is up to date.
making sure the z library is up to date...
`libz.a' is up to date.
making sure the kern library is up to date...
cc -O2  -Werror  -I/usr/src/sys/lib/libkern/arch/sparc -DSTANDALONE
-DRELOC=0x30
0000 -DSUN4 -DSUN4C -DSUN_BOOTPARAMS
-I/usr/src/sys/arch/sparc/stand/boot/../../
.. -I/usr/src/sys/arch/sparc/stand/boot/../../../.. -nostdinc -idirafter
/altroo
t/usr/include  -nostdinc -idirafter /altroot/usr/include -c
/usr/src/sys/lib/lib
kern/md5c.c
/usr/src/sys/lib/libkern/md5c.c:37: namespace.h: No such file or directory
*** Error code 1

Stop.