In article <v03020900afe597255fb0@[198.68.110.2]> fair@clock.org (Erik E. Fair  , Time Keeper) writes:
>===> bin/csh
>cc -O -I/usr/src/bin/csh -I. -DBUILTIN -DFILEC -DNLS -DSHORT_STRINGS
>-Werror -Wall -Wstrict-protot
>ypes -Wmissing-prototypes  -c /usr/src/bin/csh/../../usr.bin/printf/printf.c
>cc1: warnings being treated as errors
>/usr/src/bin/csh/../../usr.bin/printf/printf.c: In function `progprintf':
>/usr/src/bin/csh/../../usr.bin/printf/printf.c:216: warning: implicit
>declaration of function `warnx'
>*** Error code 1

remove obj/err.h or err.h if you don't use obj dirs.

christos