[petsc-dev] Fwd: [ideas-xsdk] common configure/cmake arguments for XSDK packages ready for testing

[Jed Brown]

Barry Smith <bsmith at mcs.anl.gov> writes:

>> On Dec 24, 2014, at 12:26 PM, Jed Brown <jed at jedbrown.org> wrote:
>> 
>> In this case, it might be more reliable to compare "cc --version".
>
>   Presumably this is trivial with the gnumake stuff?

It's easy to run it and compare before proceeding with the build.

>   And  the mythical petsc-config could do any number of sanity checks each time it is run.

It might be desirable to have a

  petsc-config verify CC=cc CFLAGS='-m32 -mcmodel=large' CXXFLAGS=-std=c++11 ...

that would check whether the given compiler configuration is
binary-compatible with the way PETSc was built.  It should be reasonably
fast, but could actually run the compiler.
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