Making the check target more verbose

[Martin Quinson]

Hello, you'll find in attachement a patch against the stable 1.10 to make the
check target a bit more verbose by displaying a summary of the failed tests (or
xpassed, or xfailled, or skipped).

For example, it may give the following output:

=====================================================
All 8 tests behaved as expected (3 expected failures)
=====================================================
Expected failures:
  gras/datadesc/datadesc_r_big32_8.tesh
  gras/datadesc/datadesc_r_big32_8_4.tesh
  gras/datadesc/datadesc_r_big32_2.tesh

This becomes very usefull when applying the "one makefile to rule them
all" philosophy to the tests, since you end up with a awfull lot of
output, and finding which are the failed test may turn quite difficult.

On the other hand, that's not completely perfect since it does not work for
subdirectories, but I'm still unsure of how it would be possible without using
some sort of log file (and even so, that's still challenging I think).

I only tested it on my own project on debian testing x86, and it works well for
me (tm).

I hope that you will find it interesting and consider for inclusion in the next
version of automake.

Bye, Mt.
PS: please CC me, I'm not subscribed.

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