I get the follwoing errors:

all ===> libg++/libg++/src
g++ -O  -nostdinc++ -I/usr/src/gnu/lib/libg++/libg++/src/../../include  -I/usr/src/gnu/lib/libg++/libg++/src/../../libio -I/usr/src/gnu/lib/libg++/libg++/src/../../libstdc++  -I/usr/src/gnu/lib/libg++/libg++/src -I/usr/src/gnu/lib/libg++/libg++/src/../../libio -c ACG.cc
g++ -O  -nostdinc++ -I/usr/src/gnu/lib/libg++/libg++/src/../../include  -I/usr/src/gnu/lib/libg++/libg++/src/../../libio -I/usr/src/gnu/lib/libg++/libg++/src/../../libstdc++  -I/usr/src/gnu/lib/libg++/libg++/src -I/usr/src/gnu/lib/libg++/libg++/src/../../libio -c AllocRing.cc
In file included from /usr/src/gnu/lib/libg++/libg++/src/../../libstdc++/new.h:6, from AllocRing.cc:24:
/usr/src/gnu/lib/libg++/libg++/src/../../libstdc++/std/new.h:25: declaration of `__nw' as array of functions
/usr/src/gnu/lib/libg++/libg++/src/../../libstdc++/std/new.h:25: `__nw' redeclared as different kind of symbol
/usr/src/gnu/lib/libg++/libg++/src/../../libstdc++/std/new.h:24: previous declaration of `void * operator new (unsigned int)'
/usr/src/gnu/lib/libg++/libg++/src/../../libstdc++/std/new.h:27: declaration of `__dl' as array of functions
/usr/src/gnu/lib/libg++/libg++/src/../../libstdc++/std/new.h:27: `__dl' redeclared as different kind of symbol
/usr/src/gnu/lib/libg++/libg++/src/../../libstdc++/std/new.h:26: previous declaration of `void  operator delete (void *)'
/usr/src/gnu/lib/libg++/libg++/src/../../libstdc++/std/new.h:31: syntax error before `{'
*** Error code 1

Where did I go wrong?  How do I fix this?

TIA,
Paul