codecvt.cc:39: error: ISO C++ forbids declaration of

How to fix this compile error?

# make -f Util/UtilBlock.dep
g++     /opt/aCC/include_std/rw/codecvt.cc   -o /opt/aCC/include_std/
rw/codecvt
/opt/aCC/include_std/rw/codecvt.cc:32: error: use of namespace `std'
as
   expression
/opt/aCC/include_std/rw/codecvt.cc:39: error: ISO C++ forbids
declaration of `
   _RWSTD_NAMESPACE_BEGIN' with no type
/opt/aCC/include_std/rw/codecvt.cc:39: error: syntax error before
`template'
/opt/aCC/include_std/rw/codecvt.cc:43: error: syntax error at end of
input
make: *** [/opt/aCC/include_std/rw/codecvt] Error 1


Util/UtilBlock.dep is generated by "make depend" on a makefile.hpux
file.
makefile.hpux file is:
CC_OPTS_MT = -AA -mt
CC_OPTS_SHARED = ${CC_OPTS_MT} +W829 +W254 +W667 +W749 +Z
CC_OPTS_64BIT = -AA +DD64

mDep = aCC -c -E +M -AA
mC    = aCC $(CC_OPTS_SHARED) -c
mCpp  = aCC $(CC_OPTS_SHARED) -c
mLink = aCC $(CC_OPTS_SHARED) -s
mDll  = aCC $(CC_OPTS_SHARED) -b -s

mDepOptions  = $(DEP_OPTIONS) $(DEFINITIONS)
mCOptions    = $(C_OPTIONS) $(DEFINITIONS)
mCppOptions  = $(CPP_OPTIONS) $(DEFINITIONS)
mLinkOptions = $(LINK_OPTIONS)

mDllCOptions    =
mDllCppOptions  =
mDllLinkOptions = $(DLL_OPTIONS)

#...

depend:    target-dir
	@[EMAIL PROTECTED]
 build.$(platform) >/dev/null
	@[EMAIL PROTECTED]
(MAKE) -f $(ROOT_MAKE)  build.$(platform) \
		"target		= $(target)" \
		"platform	= $(platform)" \
		"map 		= $(map)" \
		"dep 		= $(mDep) $(mDepOptions)" \
		"c		= $(mC) $(mCOptions)" \
		"cpp		= $(mCpp) $(mCppOptions)" \
		"link		= $(mLink) $(mLinkOptions)"

Util/UtilBlock.dep:
$(platform)/UtilBlock.o: Util/UtilBlock.cpp \
 /opt/aCC/include_std/fstream \
 /opt/aCC/include_std/istream \
 /opt/aCC/include_std/ios \
 /opt/aCC/include_std/rw/rwstderr.h \
 /opt/aCC/include_std/rw/stddefs.h \
 /opt/aCC/include_std/stdcomp.h \
 /opt/aCC/include_std/compnent.h \
 /opt/aCC/include_std/rw/rwlocale \
 /opt/aCC/include_std/string \
 /opt/aCC/include_std/rw/iterator \
 /opt/aCC/include_std/cstddef \
 /usr/include/stddef.h \
 /usr/include/sys/stdsyms.h \
 /usr/include/sys/_null.h \
 /usr/include/sys/_size_t.h \
 /usr/include/sys/_wchar_t.h \
 /opt/aCC/include_std/stdexcept \
 /opt/aCC/include_std/rw/exception.h \
 /opt/aCC/include_std/exception \
 /opt/aCC/include_std/cstdarg \
 /usr/include/stdarg.h \
 /usr/include/varargs.h \
 /opt/aCC/include_std/limits \
 /opt/aCC/include_std/rw/math.h \
 /opt/aCC/include_std/cmath \
 /usr/include/math.h \
 /opt/aCC/include_std/cfloat \
 /usr/include/float.h \
 /opt/aCC/include_std/climits \
 /usr/include/limits.h \
 /usr/include/sys/param.h \
 /usr/include/sys/types.h \
 /usr/include/sys/_inttypes.h \
 /usr/include/machine/vmtypes.h \
 /usr/include/sys/_fd_macros.h \
 /usr/include/machine/param.h \
 /usr/include/sys/sysmacros.h \
 /usr/include/machine/param_shm.h \
 /usr/include/sys/time.h \
 /usr/include/sys/sigevent.h \
 /usr/include/machine/spl.h \
 /usr/include/sys/kern_svcs.h \
 /opt/aCC/include_std/limits.cc \
 /opt/aCC/include_std/algorithm \
 /opt/aCC/include_std/cstdlib \
 /usr/include/errno.h \
 /usr/include/sys/errno.h \
 /usr/include/stdio.h \
 /usr/include/sys/_null.h \
 /usr/include/stdlib.h \
 /usr/include/sys/wait.h \
 /usr/include/sys/resource.h \
 /usr/include/sys/_rlimit_body.h \
 /usr/include/sys/signal.h \
 /usr/include/sys/siginfo.h \
 /usr/include/sys/newsig.h \
 /usr/include/machine/save_state.h \
 /usr/include/sys/syscall.h \
 /usr/include/sys/scall_define.h \
 /usr/include/machine/frame.h \
 /usr/include/pwd.h \
 /opt/aCC/include_std/memory \
 /opt/aCC/include_std/new \
 /opt/aCC/include_std/utility \
 /opt/aCC/include_std/algorithm \
 /opt/aCC/include_std/rw/stdmutex.h \
 /opt/aCC/include_std/cstring \
 /usr/include/string.h \
 /usr/include/sys/_null.h \
 /opt/aCC/include_std/rw/mutexwrpr.h \
 /opt/aCC/include_std/algorithm.cc \
 /opt/aCC/include_std/rw/random.h \
 /opt/aCC/include_std/rw/random.cc \
 /opt/aCC/include_std/cctype \
 /usr/include/ctype.h \
 /opt/aCC/include_std/cwchar \
 /usr/include/time.h \
 /usr/include/wchar.h \
 /opt/aCC/include_std/cwctype \
 /opt/aCC/include_std/rw/string_ref \
 /opt/aCC/include_std/rw/traits \
 /opt/aCC/include_std/cstdio \
 /opt/aCC/include_std/rw/iotraits \
 /opt/aCC/include_std/string.cc \
 /opt/aCC/include_std/iosfwd \
 /opt/aCC/include_std/typeinfo \
 /opt/aCC/include_std/ctime \
 /opt/aCC/include_std/clocale \
 /usr/include/locale.h \
 /usr/include/sys/_null.h \
 /opt/aCC/include_std/stdio.h \
 /opt/aCC/include_std/rw/locimpl \
 /opt/aCC/include_std/rw/locvector \
 /opt/aCC/include_std/rw/vendor \
 /opt/aCC/include_std/rw/ctype \
 /opt/aCC/include_std/rw/ctype.cc \
 /opt/aCC/include_std/rw/numeral \
 /opt/aCC/include_std/limits \
 /opt/aCC/include_std/rw/rwlocale \
 /opt/aCC/include_std/rw/iosbase \
 /opt/aCC/include_std/rw/numeral.cc \
 /opt/aCC/include_std/rw/numbrw \
 /opt/aCC/include_std/rw/numbrw.cc \
 /opt/aCC/include_std/rw/codecvt \
 /opt/aCC/include_std/limits \
 /opt/aCC/include_std/rw/codecvt.cc \
 /opt/aCC/include_std/rw/usefacet \
 /opt/aCC/include_std/ios.cc \
 /opt/aCC/include_std/ostream \
 /opt/aCC/include_std/streambuf \
 /opt/aCC/include_std/ostream.cc \
 /opt/aCC/include_std/istream.cc \
 /opt/aCC/include_std/limits \
 /opt/aCC/include_std/rw/file.h \
 /usr/include/unistd.h \
 /usr/include/sys/unistd.h \
 /usr/include/utime.h \
 /usr/include/sys/_time_t.h \
 /usr/include/fcntl.h \
 /usr/include/sys/fcntl.h \
 /usr/include/sys/_flock_body.h \
 /opt/aCC/include_std/fstream.cc \
 /opt/aCC/include_std/iostream \
 Util/UtilBlock.h \
 ../util_dir/Include/ResultCode.h \
 ../util_dir/Include/../General/ResultCode.h \
 ../util_dir/Include/Defs.h \
 ../util_dir/Include/../General/../../fwinterface_dir/source/fwrc.h \
 ../util_dir/Include/Defs.h
	$(cpp) $(cppOptions) Util/UtilBlock.cpp -o $(platform)/UtilBlock.o

 # aCC --version
aCC: HP ANSI C++ B3910B A.03.33

# uname -a
HP-UX hp1 B.11.00 U 9000/785 2003725330 unlimited-user
license

# make -v
GNU Make 3.80
Copyright (C) 2002  Free Software Foundation, Inc.