Can't build GDB on ppc system

[Paul Gilliam]

Here is the tailend of what I get:

gcc -m64 -c -g -O2  -mminimal-toc  -I. -I../../src/gdb -I../../src/gdb/config -DLOCALEDIR="\"/usr/local/share/locale\"" -DHAVE_CONFIG_H -I../../src/gdb/../include/opcode -I../../src/gdb/../readline/.. -I../bfd -I../../src/gdb/../bfd -I../../src/gdb/../include -I../intl -I../../src/gdb/../intl  -DMI_OUT=1 -DTUI=1 -Wimplicit -Wreturn-type -Wcomment -Wtrigraphs -Wformat -Wparentheses -Wpointer-arith -Wformat-nonliteral -Wunused-label -Wunused-function -Wuninitialized  ../../src/gdb/doublest.c
../../src/gdb/doublest.c: In function `floatformat_normalize_byteorder':
../../src/gdb/doublest.c:135: error: `floatformat_vax' undeclared (first use in this function)
../../src/gdb/doublest.c:135: error: (Each undeclared identifier is reported only once
../../src/gdb/doublest.c:135: error: for each function it appears in.)
make: *** [doublest.o] Error 1