problem building octave 3.0 on x86_64

[Tom Holroyd]

After configure BLAS showed up as -lblas, maybe that's OK though. The
error below appears to be something else.

g++ -I/usr/local/include -I. -I.. -I../liboctave -I../src -
I../libcruft/misc  -DHAVE_CONFIG_H  -Wall -W -Wshadow -Wold-style-cast -
g -O2 -rdynamic \
        -L..  -fPIC  -o octave \
        main.o  \
        -L../liboctave -L../libcruft -L../src -Wl,-rpath -
Wl,/usr/local/octave64/lib/octave-3.0.0 \
        -loctinterp -loctave  -lcruft   \
             \
           -lblas \
         -lreadline  -lncurses -ldl -lz -lm  -L/usr/lib/gcc/x86_64-
redhat-linux/3.4.6 -L/usr/lib/gcc/x86_64-redhat-
linux/3.4.6/../../../../lib64 -L/usr/lib/gcc/x86_64-redhat-
linux/3.4.6/../../.. -L/lib/../lib64 -L/usr/lib/../lib64 -lz -lfrtbegin
-lg2c -lm
../src/liboctinterp.so: undefined reference to `__cxa_get_exception_ptr'
collect2: ld returned 1 exit status

-- 
Dr. Tom Holroyd
The 9th Amendment of the U.S. Constitution:
"The enumeration in the Constitution, of certain rights, shall not be
construed to deny or disparage others retained by the people."