The -current version of the NetBSD/vax fails when I try to build a
release when it gets to "regress/include/okheaders".  I'm guessing this
is something specific to the VAX port, but I'm not sure why there are so
many warnings, and it looks like there's a header file missing,
stdbool.h.

[...]

dependall ===> regress/include/okheaders
#    create  okheaders/.depend
rm -f .depend
CC=/n0/work/netbsd-current/src/obj/tooldir.NetBSD-1.6.1-vax/bin/vax--netbsdelf-gcc /n0/work/netbsd-current/src/obj/tooldir.NetBSD-1.6.1-vax/bin/nbmkdep -d -f .depend -s .o\ .ln symbolcheck.d
rm -f .gdbinit
echo "set solib-absolute-prefix /n0/work/netbsd-current/src/obj/destdir.vax" > .gdbinit
#   compile  okheaders/symbolcheck.o
/n0/work/netbsd-current/src/obj/tooldir.NetBSD-1.6.1-vax/bin/vax--netbsdelf-gcc -O2  -Wall -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith -Wno-sign-compare -Wno-traditional -Wno-uninitialized -Wreturn-type -Wswitch -Wshadow  -Werror    -nostdinc -isystem /n0/work/netbsd-current/src/obj/destdir.vax/usr/include  -c    /n0/work/netbsd-current/src/regress/include/okheaders/symbolcheck.c
In file included from /n0/work/netbsd-current/src/regress/include/okheaders/symbolcheck.c:18:
/n0/work/netbsd-current/src/obj/destdir.vax/usr/include/sys/cdefs_aout.h:11: warning: `_C_LABEL' redefined
/n0/work/netbsd-current/src/obj/destdir.vax/usr/include/sys/cdefs_elf.h:37: warning: this is the location of the previous definition
/n0/work/netbsd-current/src/obj/destdir.vax/usr/include/sys/cdefs_aout.h:24: warning: `__indr_reference' redefined
/n0/work/netbsd-current/src/obj/destdir.vax/usr/include/sys/cdefs_elf.h:52: warning: this is the location of the previous definition
/n0/work/netbsd-current/src/obj/destdir.vax/usr/include/sys/cdefs_aout.h:28: warning: `__warn_references' redefined
/n0/work/netbsd-current/src/obj/destdir.vax/usr/include/sys/cdefs_elf.h:65: warning: this is the location of the previous definition
/n0/work/netbsd-current/src/obj/destdir.vax/usr/include/sys/cdefs_aout.h:49: warning: `__IDSTRING' redefined
/n0/work/netbsd-current/src/obj/destdir.vax/usr/include/sys/cdefs_elf.h:98: warning: this is the location of the previous definition
/n0/work/netbsd-current/src/obj/destdir.vax/usr/include/sys/cdefs_aout.h:69: warning: `__KERNEL_COPYRIGHT' redefined
/n0/work/netbsd-current/src/obj/destdir.vax/usr/include/sys/cdefs_elf.h:115: warning: this is the location of the previous definition
/n0/work/netbsd-current/src/obj/destdir.vax/usr/include/sys/cdefs_aout.h:75: warning: `__link_set_make_entry' redefined
/n0/work/netbsd-current/src/obj/destdir.vax/usr/include/sys/cdefs_elf.h:121: warning: this is the location of the previous definition
/n0/work/netbsd-current/src/obj/destdir.vax/usr/include/sys/cdefs_aout.h:81: warning: `__link_set_add_text' redefined
/n0/work/netbsd-current/src/obj/destdir.vax/usr/include/sys/cdefs_elf.h:127: warning: this is the location of the previous definition
/n0/work/netbsd-current/src/obj/destdir.vax/usr/include/sys/cdefs_aout.h:82: warning: `__link_set_add_rodata' redefined
/n0/work/netbsd-current/src/obj/destdir.vax/usr/include/sys/cdefs_elf.h:128: warning: this is the location of the previous definition
/n0/work/netbsd-current/src/obj/destdir.vax/usr/include/sys/cdefs_aout.h:83: warning: `__link_set_add_data' redefined
/n0/work/netbsd-current/src/obj/destdir.vax/usr/include/sys/cdefs_elf.h:129: warning: this is the location of the previous definition
/n0/work/netbsd-current/src/obj/destdir.vax/usr/include/sys/cdefs_aout.h:84: warning: `__link_set_add_bss' redefined
/n0/work/netbsd-current/src/obj/destdir.vax/usr/include/sys/cdefs_elf.h:130: warning: this is the location of the previous definition
/n0/work/netbsd-current/src/obj/destdir.vax/usr/include/sys/cdefs_aout.h:90: warning: `__link_set_decl' redefined
/n0/work/netbsd-current/src/obj/destdir.vax/usr/include/sys/cdefs_elf.h:134: warning: this is the location of the previous definition
/n0/work/netbsd-current/src/obj/destdir.vax/usr/include/sys/cdefs_aout.h:92: warning: `__link_set_start' redefined
/n0/work/netbsd-current/src/obj/destdir.vax/usr/include/sys/cdefs_elf.h:136: warning: this is the location of the previous definition
/n0/work/netbsd-current/src/obj/destdir.vax/usr/include/sys/cdefs_aout.h:94: warning: `__link_set_end' redefined
/n0/work/netbsd-current/src/obj/destdir.vax/usr/include/sys/cdefs_elf.h:137: warning: this is the location of the previous definition
/n0/work/netbsd-current/src/obj/destdir.vax/usr/include/sys/cdefs_aout.h:96: warning: `__link_set_count' redefined
/n0/work/netbsd-current/src/obj/destdir.vax/usr/include/sys/cdefs_elf.h:140: warning: this is the location of the previous definition
In file included from /n0/work/netbsd-current/src/regress/include/okheaders/symbolcheck.c:309:
/n0/work/netbsd-current/src/obj/destdir.vax/usr/include/soundcard.h:303: warning: `ioctl' redefined
/n0/work/netbsd-current/src/obj/destdir.vax/usr/include/rmt.h:46: warning: this is the location of the previous definition
/n0/work/netbsd-current/src/regress/include/okheaders/symbolcheck.c:312: stdbool.h: No such file or directory
In file included from /n0/work/netbsd-current/src/regress/include/okheaders/symbolcheck.c:333:
/n0/work/netbsd-current/src/obj/destdir.vax/usr/include/unctrl.h:40: warning: `unctrl' redefined
/n0/work/netbsd-current/src/obj/destdir.vax/usr/include/curses.h:185: warning: this is the location of the previous definition

*** Failed target:  symbolcheck.o
*** Failed command: /n0/work/netbsd-current/src/obj/tooldir.NetBSD-1.6.1-vax/bin/vax--netbsdelf-gcc -O2 -Wall -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith -Wno-sign-compare -Wno-traditional -Wno-uninitialized -Wreturn-type -Wswitch -Wshadow -Werror -nostdinc -isystem /n0/work/netbsd-current/src/obj/destdir.vax/usr/include -c /n0/work/netbsd-current/src/regress/include/okheaders/symbolcheck.c
*** Error code 1

Stop.
nbmake: stopped in /n0/work/netbsd-current/src/regress/include/okheaders

[...]

-brian.