From a recent ./build.sh tools:

dependall ===> binstall
cc -O -I/usr/src/tools/compat/obj.i386 -I/usr/src/tools/compat/obj.i386/include  -I/usr/src/tools/binstall/../compat -DHAVE_CONFIG_H  -D_FILE_OFFSET_BITS=64  -I
/usr/src/bin/ls -I/usr/src/usr.sbin/mtree -c -o getid.lo.o /usr/src/usr.sbin/mtree/getid.c
In file included from /usr/src/usr.sbin/mtree/extern.h:51,
                 from /usr/src/usr.sbin/mtree/getid.c:85:
/usr/include/netdb.h:100: conflicting types for `socklen_t'
/usr/src/tools/binstall/../compat/compat_defs.h:114: previous declaration of `socklen_t'
*** Error code 1

Stop.
nbmake: stopped in /usr/src/tools/binstall
*** Error code 1

Stop.
nbmake: stopped in /usr/src/tools/binstall
*** Error code 1

Stop.
nbmake: stopped in /usr/src/tools

ERROR: failed to make tools
*** BUILD ABORTED ***

??

1.6P (the Kernel, that is) on i386

-- 
Chris Chen <cchen@Nougat.ORG>
Time flies like an arrow.
Fruit flies like a banana.