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Re: [PATCH 1/1] Makefile: add prove and coverage-prove targets

On Tue, Jan 29, 2019 at 06:56:08AM -0800, Derrick Stolee via GitGitGadget wrote:

> From: Derrick Stolee <dstolee@xxxxxxxxxxxxx>
> When running the test suite for code coverage using
> 'make coverage-test', a single test failure stops the
> test suite from completing. This leads to significant
> undercounting of covered blocks.
> Add two new targets to the Makefile:
> * 'prove' runs the test suite using 'prove'.
> * 'coverage-prove' compiles the source using the
>   coverage flags, then runs the test suite using
>   'prove'.
> These targets are modeled after the 'test' and
> 'coverage-test' targets.

I think these are reasonable to have (and I personally much prefer
"prove" to the raw "make test" output anyway).

For people who don't have "prove" available, I think they could just do
"make -k test" to make sure the full suite runs. Should we perhaps be
doing that automatically in the sub-make run by coverage-test?

> @@ -3077,6 +3080,10 @@ coverage-test: coverage-clean-results coverage-compile
>  		DEFAULT_TEST_TARGET=test -j1 test
> +coverage-prove: coverage-clean-results coverage-compile
> +		DEFAULT_TEST_TARGET=prove -j1 prove
> +

You probably don't need to override DEFAULT_TEST_TARGET here, since the
"prove" target doesn't look at it. Likewise, "-j1" probably does nothing
here, since prove itself is a single target.

I'm not sure why we want to enforce -j1 for these targets, but if it's
important to do so for the prove case, as well, you'd need to add it to