build failure, "C++ compiler" issue.

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

kamloops# uname  -a
NetBSD kamloops 6.99.24 NetBSD 6.99.24 (GENERIC) #340: Mon Sep 30
12:28:05 PDT 2013
root@kamloops:/usr/obj/sys/arch/amd64/compile/GENERIC amd64
kamloops# date
Mon Sep 30 15:11:47 PDT 2013
kamloops#



...




--- /usr/src/obj/tooldir.NetBSD-6.99.24-amd64/bin/nbzic ---
#   install  /usr/src/obj/tooldir.NetBSD-6.99.24-amd64/bin/nbzic
mkdir -p /usr/src/obj/tooldir.NetBSD-6.99.24-amd64/bin
/usr/src/obj/tooldir.NetBSD-6.99.24-amd64/bin/x86_64--netbsd-install
-c  -r -m 555 zic /usr/src/obj/tooldir.NetBSD-6.99.24-amd64/bin/nbzic
install ===> tools/installboot
--- /usr/src/obj/tooldir.NetBSD-6.99.24-amd64/bin/nbinstallboot ---
#   install  /usr/src/obj/tooldir.NetBSD-6.99.24-amd64/bin/nbinstallboot
mkdir -p /usr/src/obj/tooldir.NetBSD-6.99.24-amd64/bin
/usr/src/obj/tooldir.NetBSD-6.99.24-amd64/bin/x86_64--netbsd-install
-c  -r -m 555 installboot
/usr/src/obj/tooldir.NetBSD-6.99.24-amd64/bin/nbinstallboot
dependall-config ===> tools     (with: dependall-groff dependall-mandoc)
dependall ===> tools/groff
--- dependall ---
--- configure_cleanup ---
Cleaning stale cache files NetBSD-6.99.24-amd64 != none
--- .configure_done ---
checking for gcc... cc
checking for C compiler default output file name... a.out
checking whether the C compiler works... yes
checking whether we are cross compiling... no
checking for suffix of executables...
checking for suffix of object files... o
checking whether we are using the GNU C compiler... yes
checking whether cc accepts -g... yes
checking for cc option to accept ANSI C... none needed
checking whether we are using the GNU C++ compiler... yes
checking whether c++ accepts -g... yes
checking that C++ compiler can compile simple program... yes
checking that C++ static constructors and destructors are called... no
configure: error: a working C++ compiler is required
*** [.configure_done] Error code 1
nbmake[6]: stopped in /usr/src/tools/groff
1 error
nbmake[6]: stopped in /usr/src/tools/groff
*** [dependall] Error code 2

nbmake[5]: stopped in /usr/src/tools/groff
1 error

nbmake[5]: stopped in /usr/src/tools/groff
*** Failed target:  dependall-groff
*** Failed command: _makedirtarget() { dir="$1"; shift; target="$1";
shift; case "${dir}" in /*) this="${dir}/"; real="${dir}" ;; .)
this="tools/"; real="/usr/src/tools
" ;; *) this="tools/${dir}/"; real="/usr/src/tools/${dir}" ;; esac;
show=${this:-.}; echo "${target} ===> ${show%/}${1:+ (with: $@)}"; cd
"${real}" && /usr/src/obj/tool
dir.NetBSD-6.99.24-amd64/bin/nbmake _THISDIR_="${this}" "$@"
${target}; }; _makedirtarget groff dependall
*** Error code 2

Stop.
nbmake[4]: stopped in /usr/src/tools
*** [build_install] Error code 1

-- 
Brad Harder
Method Logic Digital Consulting
http://twitter.com/bcharder