box5# cd /usr/src/sbin/gbde/; make
Warning: Object directory not changed from original /usr/src/sbin/gbde
cc -O2 -fno-strict-aliasing -pipe  -I/usr/src/sbin/gbde/../../sys -Wsystem-headers -Werror -Wall -Wno-format-y2k -W -Wno-unused-parameter -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith -Wno-uninitialized -c gbde.c
In file included from /usr/src/sbin/gbde/../../sys/sys/param.h:101,
                 from gbde.c:88:
/usr/src/sbin/gbde/../../sys/sys/signal.h:364:1: "MINSIGSTKSZ" redefined
In file included from /usr/src/sbin/gbde/../../sys/sys/signal.h:46,
                 from /usr/src/sbin/gbde/../../sys/sys/param.h:101,
                 from gbde.c:88:
/usr/include/machine/signal.h:51:1: this is the location of the previous definition
*** Error code 1

Stop in /usr/src/sbin/gbde.
box5#