Barry Smith <[email protected]> writes: >> On Dec 24, 2014, at 12:26 PM, Jed Brown <[email protected]> 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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