recent changes to 8.0 broke the devel/gdb6 port

The full log is here:

    http://pointyhat.FreeBSD.org/errorlogs/amd64-errorlogs/a.8.20090611213544/gdb-6.6_1.log
      

but it ends with:

    [...]
    cc -c -O2 -pipe -DRL_NO_COMPAT -fno-strict-aliasing    -I. -I.././gdb -I.././gdb/config -DLOCALEDIR="\"/usr/local/share/locale\"" -DHAVE_CONFIG_H -I.././gdb/../include/opcode  -I../bfd -I.././gdb/../bfd -I.././gdb/../include   -DMI_OUT=1 -DTUI=1 -I/usr/local/include -Wimplicit -Wreturn-type -Wcomment -Wtrigraphs -Wformat -Wparentheses -Wpointer-arith -Wformat-nonliteral -Wunused-label -Wunused-function -Wno-pointer-sign -Wuninitialized  amd64fbsd-nat.c
    amd64fbsd-nat.c: In function 'amd64fbsd_supply_pcb':
    amd64fbsd-nat.c:128: error: 'struct pcb' has no member named 'pcb_ds'
    amd64fbsd-nat.c:129: error: 'struct pcb' has no member named 'pcb_es'
    amd64fbsd-nat.c:130: error: 'struct pcb' has no member named 'pcb_fs'
    amd64fbsd-nat.c:131: error: 'struct pcb' has no member named 'pcb_gs'
    gmake[2]: *** [amd64fbsd-nat.o] Error 1
    gmake[2]: Leaving directory `/work/a/ports/devel/gdb6/work/gdb-6.6/gdb'
    gmake[1]: *** [all-gdb] Error 2
    gmake[1]: Leaving directory `/work/a/ports/devel/gdb6/work/gdb-6.6'
    gmake: *** [all] Error 2
    *** Error code 1
      

What happened? Thanks! Yours,

    -mi