Ralf Wildenhues wrote:
* Christian Rössel wrote on Sat, Jun 06, 2009 at 08:52:31AM CEST:
at the moment I'm just thinking of an external macro that sets $host if
it is not set by the user. Depending on $cpu and $os of the build system
you check for some special directories (e.g. /bgsys for Blue Gene/P).
Usually todays supercomputers have such special and distinct
directories. This is not the holy grail but works quite reliable for us.
I think that these heuristics is not general and reliable enough to be
included in autoconf/config.guess,
You can try; config.guess is maintained by config-patches@xxxxxxxx
config.guess should definitely be patched to recognize new host triplets
for BlueGene and any other missing systems.
However, I think it's a bad idea to make ./configure cross-compile by
default on these supercomputers, which breaks the expectation on every
other platform that ./configure should compile for the build system by
default.
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