[petsc-dev] make -f gmakefile test needs a proper help message of some sort

[Jed Brown]

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

> make -f gmakefile test   XXXX
>
> appears to be a very powerful tool, as such it needs a useful help message since it is next to impossible to know where to look to find all its options.
>
> make -f gmakefile test   help=1 

This is more-or-less a convention:

  make -f gmakefile help
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