i have /usr/src unpacked from all .tgz sources
cd /usr/src
make

gives (after successful compiling most part):

all ===> usr.bin/mk_cmds
cc -mpentiumpro -O2 -mpentiumpro -O2 -Wall -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith -Wno-uninitialized -Werror   -c /usr/src/usr.bin/mk_cmds/../../crypto/dist/heimdal/lib/sl/make_cmds.c
/usr/src/usr.bin/mk_cmds/../../crypto/dist/heimdal/lib/sl/make_cmds.c:35: getarg.h: No such file or directory
/usr/src/usr.bin/mk_cmds/../../crypto/dist/heimdal/lib/sl/make_cmds.c:39: roken.h: No such file or directory
/usr/src/usr.bin/mk_cmds/../../crypto/dist/heimdal/lib/sl/make_cmds.c:41: parse.h: No such file or directory
*** Error code 1

Stop.
*** Error code 1

Stop.
*** Error code 1

Stop.


what's wrong?