Re: FYI: 75-gary-canonicalize-strerror-test.patch

[Akim Demaille]

 > Akim Demaille wrote:
 >> > Applied to HEAD of GNU m4.
 >> > Bleh!  This is all wrong since it relies on knowledge of the internals
 >> > of AT_CHECK.  But it will allow the `modules: importing' check to work
 >> > until we figure out how to do it properly.
 >> That's not the way to go IMO.  See my chapter in gp2 (and maybe in
 >> autoconf.texi I don't remember) on Autotest, especially wrappers.  See
 >> tests/m4 to.

 > Agreed.  But unless we generate an error on the test host, and be careful of
 > paths and filenames in the error string, it is difficult to write a
 > wrapper to canonicalize arbitrary stderr output on the fly.

Right.  Nevertheless with the current implementation, you would have
to copy this trick if another test exhibits a similar behavior.  At
least this could be wrapped in an AT_CHECK_M4.