Bruce Momjian <[EMAIL PROTECTED]> writes:
> Yes, the patch replaces pow(8,*) with a lookup table of 4 8^X values.
> So SCO provides a library you can't link to? Or you can't mix *.so
> libraries and static *.a libraries? I am inclined ot add this patch to
> the doc/FAQ_SCO file. We really try to avoid major code uglyness to
> work around operating system things that should work on their own.
Actually, the existing coding in odbc is just plain stupid: why are we
using a transcendental function call to emulate an integer shift?
Even the table-based implementation that Nicolas proposed is doing it
the hard way. Try converting, eg,
for (i = 1; i <= 3; i++)
y += (s[i] - 48) * (int) pow(8, 3 - i);
to
for (i = 1; i <= 3; i++)
y += (s[i] - '0') << (3 * (3 - i));
and you can get the patch accepted just on efficiency and readability
grounds, never mind whether it avoids SCO library breakage.
>> The TCL stuff is because Caldera distribution of TCL is compiled with their
>> compiler. If you happen to use another compiler on your platform (gcc) it
>> doesn't work anymore. Caldera compiler has -belf -Kpic options which are
>> fully incompatible with gcc. That's why I though best to leave the TCL
>> packages been compiled with the compiler used for postgresql.
We've been around on this a couple of times now; the current theory is
that we should stop using the TCL-supplied switches altogether. There
is a patch in the works to change libpgtcl and pltcl to be built the
same way we build everything else in the distribution.
regards, tom lane
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