Re: [bgl-discuss] blrts_xlc and configure

[Satish Balay <balay@xxxxxxxxxxx>]

On Tue, 8 Feb 2005, Boyana Norris wrote:

> So is hacking an apps' configure and/or source the only way to port that app?
> If I run configure with --host and --target options, a number of variables
> used are not defined... Sounds very app-specific, but I was hoping there may
> be some more general approach or FAQ-like info.

I have no idea how 'autoconf' supports cross-compile enviornments.

One way I could thing off is: start up an interactive shell on one of
the compute nodes - and run configure on it [assuming the compilers
work on the compute nodes - aka jazz]

To support such env - PETSc configure takes options such as:
--sizeof_short=2 - this way no code needs to run during configure
stage. Barry improved this process - where configure generates code.
The user runs this code on the compute nodes - and feeds it back to
configure.

The above info I guess doesn't help with the autoconf issue.

Satish

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