Bignum not detected by default
james at eecs.ku.edu
Sat Feb 12 12:34:28 EST 2005
"Ben Wing" <ben at 666.com>, on Sat, 12 Feb 2005 11:13:28 -0600 you wrote:
> Jerry -- how come you have to specify use-number-lib to get bignums? Why
> aren't they detected by default by configure?
It's still considered an experimental feature. If the Board considers
it to be sufficiently stable, we could vote to make it autodetected.
In my opinion, the GNU MP stuff is quite stable. I've used it a fair
amount over the last 9 months or so with no problems. The BSD MP stuff
is terrible, though. BSD MP is just too limited. We should probably
remove support for it.
We should also consider Hrvoje's suggestion that we make it possible to
unpack a GNU MP tarball into the XEmacs build tree, then detect and use
it if there is no installed GNU MP library. This is somewhat complex
because you really want to build GNU MP with optimizations for the CPU
you actually have. An i386-optimized GNU MP performs terribly on a
Pentium 4, for example. If we can solve that problem, we can eventually
make the move to requiring GNU MP, which would make all kinds of
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