Work around a sign-exension bug in the optimizer of the HP C compiler on HP/UX.
Enhancements to makefiles:
Added the --enable-editline option to the various autoconf-generated configure
Omit all use of "awk" in the makefiles,
to make building easier for MSVC users.
Fix inconsistent integer to floating-point comparison operations that
could result in a corrupt index if the index is created on a table
column that contains both large integers and floating point values
of similar magnitude. Ticket