[petsc-dev] getting rid of TESTEXAMPLES_XXX_XXX stuff

[Jed Brown]

Barry Smith <bsmith at mcs.anl.gov> writes:
>>> runex123: REQUIRE = parmetis mumps 64-bit-indices
>
>    Ok, I don’t understand this syntax at all, there is no mention of
>    REQUIRE used in this way in the gnumake manual.  How are you
>    proposing to use this variable?

REQUIRE is just a normal (target-specific) variable, it is not
interpreted specially by make.  Consider the attached makefile.

$ make allrun
Creating executable foo.exe
Running runfoo1
Skipping runfoo2 due to unmet requirements: C
Creating executable bar.exe
Running runbar1
rm bar.exe foo.exe

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