port GDB to ia64-hpux (native).
ChangeLog:
* configure.ac: Remove readline, mmalloc, and gdb from noconfigdirs
for ia64-hpux.
* configure: Regenerate.
gdb/ChangeLog:
* config/ia64/hpux.mh, ia64-hpux-nat.c, ia64-hpux-tdep.c,
ia64-hpux-tdep.h, solib-ia64-hpux.c, solib-ia64-hpux.h: New files.
* configure.host: Add handling for ia64-hpux hosts. Add associated
floatformats.
* configure.tgt: Add handling for ia64-hpux targets.
* Makefile.in (ALL_64_TARGET_OBS): Add ia64-hpux-tdep.o.
(HFILES_NO_SRCDIR): Add ia64-hpux-tdep.h.
(ALLDEPFILES): Add ia64-hpux-nat.c ia64-hpux-tdep.c.