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Re: Disable the present-but-cannot-be-compiled header warning?

From: Jeff Squyres
Subject: Re: Disable the present-but-cannot-be-compiled header warning?
Date: Fri, 31 Oct 2008 07:13:43 -0400

On Oct 31, 2008, at 3:30 AM, Paolo Bonzini wrote:

I didn't understand really what was Jeff's usecase.

Just to clarify what my use case is; for our project (Open MPI):

- we know that there are some uncompilable header files on some platforms (e.g., RHEL4U3 with a specific vendor's 32 bit compiler)
- we don't want to warn the user about it, because:
    - it's a known problem that will not be fixed
- the problematic header file does not "belong" to us; it's not our prevue to fix it - our code can handle not using the problematic header (and the features that it provides) - when compiling on this platform with this compiler, we just want HAVE_INFINIBAND_DRIVER_H not defined, so that our C code can react accordingly

In short: all we want is a simple "no" result from the test.

Does that make sense?

Jeff Squyres
Cisco Systems

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