Determining version of cc and CC on Irix

[Martin MOKREJŠ]

Hi,
  it seems autoconf tries to use

cc --version, cc -v, cc -version and so on, but not the only right way on
SGI Irix native compilers:

cc -version
CC -version

Hope this helps, although I'm not able to say which version generated
those configure files.
-- 
Martin Mokrejs <address@hidden>, <address@hidden>
PGP5.0i key is at http://www.natur.cuni.cz/~mmokrejs
MIPS / Institute for Bioinformatics <http://mips.gsf.de>
GSF - National Research Center for Environment and Health
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