Cannot build libstdc++-v3 on irix

["Billinghurst, David (CRTS)" <David dot Billinghurst at riotinto dot com>]

Attempt to build yesterday's cvs on irix6.5 with --enable-libstdcxx-v3 end
with

Making all in libsupc++
make[4]: Entering directory
`/exd4/billingd/obj/gcc-parallel-v3/mips-sgi-irix6.5/libstdc++-v3/libsupc++'
/bin/sh ../libtool --tag disable-shared --tag CXX --mode=compile
/exd4/billingd/obj/gcc-parallel-v3/gcc/g++
-B/exd4/billingd/obj/gcc-parallel-v3/gcc/ -nostdinc++
-L/exd4/billingd/obj/gcc-parallel-v3/mips-sgi-irix6.5/libstd++-v3/src
-L/exd4/billingd/obj/gcc-parallel-v3/mips-sgi-irix6.5/libstd++-v3/src/.libs
-B/exd4/billingd/tmp/gcc/mips-sgi-irix6.5/bin/
-B/exd4/billingd/tmp/gcc/mips-sgi-irix6.5/lib/ -isystem
/exd4/billingd/tmp/gcc/mips-sgi-irix6.5/include
-I/exd4/billingd/src/gcc/libstdc++-v3/../gcc
-I/exd4/billingd/src/gcc/libstdc++-v3/../include
-I/exd4/billingd/src/gcc/libstdc++-v3/include/std
-I/exd4/billingd/src/gcc/libstdc++-v3/include/c
-I/exd4/billingd/src/gcc/libstdc++-v3/libsupc++
-I/exd4/billingd/src/gcc/libstdc++-v3/include  -I../include   -g -O2
-fno-implicit-templates -prefer-pic -Wall -Wno-format -W -Wwrite-strings
-Winline  -fdiagnostics-show-location=once  -ffunction-sections
-fdata-sections  -g    -c
/exd4/billingd/src/gcc/libstdc++-v3/libsupc++/del_op.cc
mkdir .libs
/exd4/billingd/obj/gcc-parallel-v3/gcc/g++
-B/exd4/billingd/obj/gcc-parallel-v3/gcc/ -nostdinc++
-L/exd4/billingd/obj/gcc-parallel-v3/mips-sgi-irix6.5/libstd++-v3/src
-L/exd4/billingd/obj/gcc-parallel-v3/mips-sgi-irix6.5/libstd++-v3/src/.libs
-B/exd4/billingd/tmp/gcc/mips-sgi-irix6.5/bin/
-B/exd4/billingd/tmp/gcc/mips-sgi-irix6.5/lib/ -isystem
/exd4/billingd/tmp/gcc/mips-sgi-irix6.5/include
-I/exd4/billingd/src/gcc/libstdc++-v3/../gcc
-I/exd4/billingd/src/gcc/libstdc++-v3/../include
-I/exd4/billingd/src/gcc/libstdc++-v3/include/std
-I/exd4/billingd/src/gcc/libstdc++-v3/include/c
-I/exd4/billingd/src/gcc/libstdc++-v3/libsupc++
-I/exd4/billingd/src/gcc/libstdc++-v3/include -I../include -g -O2
-fno-implicit-templates -Wall -Wno-format -W -Wwrite-strings -Winline
-fdiagnostics-show-location=once -ffunction-sections -fdata-sections -g -c
/exd4/billingd/src/gcc/libstdc++-v3/libsupc++/del_op.cc   -DPIC -o
.libs/del_op.o
In file included from /exd4/billingd/src/gcc/libstdc++-v3/libsupc++/new:34,
                 from
/exd4/billingd/src/gcc/libstdc++-v3/libsupc++/del_op.cc:29:
/exd4/billingd/src/gcc/libstdc++-v3/include/std/cstddef:2:30:
bits/std_cstddef.h: No such file or directory
/exd4/billingd/src/gcc/libstdc++-v3/libsupc++/new:54: `size_t' undeclared in

   namespace `std'
/exd4/billingd/src/gcc/libstdc++-v3/libsupc++/new:54: declaration of
`operator 
   new' as non-function
/exd4/billingd/src/gcc/libstdc++-v3/libsupc++/new:54: invalid declarator
/exd4/billingd/src/gcc/libstdc++-v3/libsupc++/new:55: `size_t' undeclared in

   namespace `std'
/exd4/billingd/src/gcc/libstdc++-v3/libsupc++/new:55: declaration of
`operator 
   new []' as non-function
/exd4/billingd/src/gcc/libstdc++-v3/libsupc++/new:55: invalid declarator
/exd4/billingd/src/gcc/libstdc++-v3/libsupc++/new:58: `size_t' undeclared in

   namespace `std'
/exd4/billingd/src/gcc/libstdc++-v3/libsupc++/new:58: parse error before
'::' 
   token
/exd4/billingd/src/gcc/libstdc++-v3/libsupc++/new:58: Internal error #378.
/exd4/billingd/src/gcc/libstdc++-v3/libsupc++/new:58: Internal compiler
error 
   in pushdecl, at cp/decl.c:4074
   Please submit a full bug report.
   See <URL:http://www.gnu.org/software/gcc/bugs.html> for instructions.
make[4]: *** [del_op.lo] Error 1
make[4]: Leaving directory
`/exd4/billingd/obj/gcc-parallel-v3/mips-sgi-irix6.5/libstdc++-v3/libsupc++'
make[3]: *** [all-recursive] Error 1
make[3]: Leaving directory
`/exd4/billingd/obj/gcc-parallel-v3/mips-sgi-irix6.5/libstdc++-v3'
make[2]: *** [all-recursive-am] Error 2
make[2]: Leaving directory
`/exd4/billingd/obj/gcc-parallel-v3/mips-sgi-irix6.5/libstdc++-v3'
make[1]: *** [all-target-libstdc++-v3] Error 2
make[1]: Leaving directory `/exd4/billingd/obj/gcc-parallel-v3'
make: *** [bootstrap] Error 2