[RFC] Use autoconf for (parts of) configuration

[Richard Guenther]

Hi!

I'd like to hear opinions to getting rid of config/arch/* and instead use
autoconf to collect equivalent information. A quick try revealed the
attached patch which shoves the compiler feature bits to a set of
configure checks. The patch passes compile & check on gcc-2.95.4 and
gcc-3.1. (The former needs additional patches which I'll send off later)

Any comments, suggestions?

Richard.

--
Richard Guenther <address@hidden>
WWW: http://www.tat.physik.uni-tuebingen.de/~rguenth/
The GLAME Project: http://www.glame.de/

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