On Tue, 2010-11-23 at 06:56 -0500, Jeff Squyres (jsquyres) wrote:

Will the preprocessor value be required for fortran? What about cases where the fortran preprocessor is not used? What about when modules are used?

Because the Fortran preprocessor is not always used (or available?), I would concentrate on C and C++. Not that the motivation does not carry over to Fortran, but I don't see an obvious, portable solution that works for Fortran. Sincerely, Hal

Sent from my PDA. No type good.

On Nov 23, 2010, at 4:57 AM, "N.M. Maclaren" <[email protected]> wrote:

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Damn Webmail! Sorry - please ignore this grobble - it got pasted in by accident, and is not true. I believe that there are such issues, but they are more subtle than that.

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1. An implementation which provides wrapper scripts (i.e. mpicc). These scripts could easily add -D_MPI would prevent the conforming use of POSIX! See:

http://www.opengroup.org/onlinepubs/009695399/toc.htm 2.2 The Compilation Environment 2.2.1 POSIX.1 Symbols

Regards, Nick.

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