egcs-19981005 fails to build on hpux-10.20

[Jeffrey A Law]

  In message < 13851.14174.838750.537416@slsvhmt >you write:
  > No, this is also caused by the $(unlibsubdir) patch :-( In the past
  > "xgcc" tried to locate "as" via ${exec_prefix}/${target}/bin; now it's
  > using ${libsubdir}/../../../${target}/bin - since you're just trying to
  > build the compiler, ${libsubdir} obviously doesn't exist, hence no GNU
  > "as" will be found.
  > 
  > You're right, using the new "--with-as=..." might help, but I'm afraid
  > a whole lot previously working setups, ways to work, ... have been broken
  > by this particular patch.
This has already been fixed.
jeff