[Automake-NG] [FYI] Merge branch 'master' into ng/master

[Stefano Lattarini]

commit aefbb49b2b6b872f53ba6a160f78b5d439d7aaa4
Merge: a7aa47e ca9b4d3
Author: Stefano Lattarini <address@hidden>
Date:   Sun Jul 1 11:48:56 2012 +0200

    Merge branch 'master' into ng/master

    * master:
      parallel-tests: silence an overly verbose recipe
      tests: fix some uses of 'Exit', where 'exit' should now be used instead
      maintcheck: test scripts should be executable, check for that
      parallel-tests: recipes for "check" and "recheck" are separated again
      tests: prefer "test ! -e FILE" to check that a file doesn't exist
      parallel-tests: "recheck" behaves better in case of compilation failures
      scripts: quote 'like this', not `like this'

    + Extra non-trivial edits:

    * lib/am/parallel-tests.am: Add a FIXME comment about automake bug#11791,
    stating that we should fix that someday.  This is required because the
    changes introduced in mainline automake commit 'v1.12.1-64-g2a3e45d',
    which fixed automake bug#11791 there, couldn't be merged correctly in
    Automake-NG by the present commit, due to great divergences in the
    affected parts of the codebase.
    * Makefile.am (XFAIL_TESTS): Add 't/parallel-tests-recheck-pr11791.sh'.

    Signed-off-by: Stefano Lattarini <address@hidden>