build failure acpi parser

[bch <brad.harder%gmail.com@localhost>]

dependall ===> external/bsd
dependall ===> external/bsd/acpica
dependall ===> external/bsd/acpica/bin
dependall ===> external/bsd/acpica/bin/iasl
/usr/src/obj/tooldir.NetBSD-7.99.9-amd64/bin/nbm4 -P
-I/usr/src/sys/external/bsd/acpica/dist/compiler
/usr/src/sys/external/bsd/acpica/dist/compiler/aslparser.y >
aslcompiler.y
/usr/src/obj/tooldir.NetBSD-7.99.9-amd64/bin/nblex -i -PAslCompiler
-oaslcompilerlex.c
/usr/src/sys/external/bsd/acpica/dist/compiler/aslcompiler.l
/usr/src/obj/tooldir.NetBSD-7.99.9-amd64/bin/nbyacc -v -d
-oaslcompilerparse.c -pAslCompiler aslcompiler.y
/usr/src/obj/tooldir.NetBSD-7.99.9-amd64/bin/nbyacc: 89 shift/reduce conflicts.
/usr/src/obj/tooldir.NetBSD-7.99.9-amd64/bin/nbyacc: f - maximum table
size exceeded

*** Failed target:  aslcompilerparse.c
*** Failed command:
/usr/src/obj/tooldir.NetBSD-7.99.9-amd64/bin/nbyacc -v -d
-oaslcompilerparse.c -pAslCompiler aslcompiler.y
*** Error code 2

Stop.
nbmake[8]: stopped in /usr/src/external/bsd/acpica/bin/iasl

*** Failed target:  dependall-iasl
*** Failed command: _makedirtarget() { dir="$1"; shift; target="$1";
shift; case "${dir}" in /*) this="${dir}/"; real="${dir}" ;; .)
this="external/bsd/acpica/bin/";
real="/usr/src/external/bsd/acpica/bin" ;; *)
this="external/bsd/acpica/bin/${dir}/";
real="/usr/src/external/bsd/acpica/bin/${dir}" ;; esac;
show=${this:-.}; echo "${target} ===> ${sh
ow%/}${1:+ (with: $@)}"; cd "${real}" &&
/usr/src/obj/tooldir.NetBSD-7.99.9-amd64/bin/nbmake
_THISDIR_="${this}" "$@" ${target}; }; _makedirtarget iasl dependall
*** Error code 1

Stop.
nbmake[7]: stopped in /usr/src/external/bsd/acpica/bin