kern/46977: lib/npf/ext_log COPTS+=-g MKDEBUG=yes build problem

[davshao%gmail.com@localhost]

>Number:         46977
>Category:       kern
>Synopsis:       lib/npf/ext_log COPTS+=-g MKDEBUG=yes build problem
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Tue Sep 18 03:55:01 +0000 2012
>Originator:     David Shao
>Release:        NetBSD 6.99.11 (GENERIC) amd64
>Organization:
>Environment:
NetBSD 6.99.11 (GENERIC) amd64
>Description:
amd64, clear /usr/obj and /usr/tools, use latest current src,
in /etc/make.conf options:

COPTS+=-g
MKDEBUG=yes

./build.sh -O ../obj -T ../tools -U distribution

install ===> lib/npf/ext_log
#   install  
/usr/src/../obj/destdir.amd64/usr/libdata/debug/usr/lib/npf/libext_log.so.0.0.debug
/usr/src/../tools/bin/x86_64--netbsd-install -U -M 
/usr/src/../obj/destdir.amd64/METALOG -D /usr/src/../obj/destdir.amd64 -h 
sha256 -N /usr/src/etc -c -p -r -o root -g wheel -m 444  
libext_log.so.0.0.debug 
/usr/src/../obj/destdir.amd64/usr/libdata/debug/usr/lib/npf/libext_log.so.0.0.debug
x86_64--netbsd-install: 
/usr/src/../obj/destdir.amd64/usr/libdata/debug/usr/lib/npf: mkstemp: No such 
file or directory

*** Failed target:  
/usr/src/../obj/destdir.amd64/usr/libdata/debug/usr/lib/npf/libext_log.so.0.0.debug
*** Failed command: /usr/src/../tools/bin/x86_64--netbsd-install -U -M 
/usr/src/../obj/destdir.amd64/METALOG -D /usr/src/../obj/destdir.amd64 -h 
sha256 -N /usr/src/etc -c -p -r -o root -g wheel -m 444 libext_log.so.0.0.debug 
/usr/src/../obj/destdir.amd64/usr/libdata/debug/usr/lib/npf/libext_log.so.0.0.debug
*** Error code 1

>How-To-Repeat:
amd64, clear /usr/obj and /usr/tools, use latest current src,
in /etc/make.conf options:

COPTS+=-g
MKDEBUG=yes

./build.sh -O ../obj -T ../tools -U distribution

>Fix: