Re: missing does not support configure.ac in CVS or in 1.4-p4

[Alexandre Oliva]

On Jun 17, 2001, Martin Dickopp <address@hidden> wrote:

> I made this assumption without checking it, because the current
> (1.4-p4) missing makes the same assumption.  It contains the line

>   files=`sed -n 's/^[ ]*A[CM]_CONFIG_HEADER(\([^)]*\)).*/\1/p' configure.in`

> in the autoheader case.

Autoheader is indeed always run with PWD = top_builddir.

> Looking closer at the script, I notice that it also seems to assume
> $PWD = $top_srcdir = $top_builddir.

I doubt it.  I've certainly used it with srcdir != builddir.

It's likely that assumptions change depending on which program is
`missing'.


Anyway, I've just realized that your change affects only aclocal,
autoconf, autoheader and automake emulations, and all of these are
always run off top_srcdir, so the change is safe, even though it sets
a precedent that might lead others to conclude missing is always run
off top_srcdir (since the test for configure.ac is always done).  I'd
appreciate a comment before the test explaining why it is safe to do
the test there even though missing isn't always guaranteed to run in
the directory containing configure.{in,ac}.

-- 
Alexandre Oliva   Enjoy Guarana', see http://www.ic.unicamp.br/~oliva/
Red Hat GCC Developer                  address@hidden, redhat.com}
CS PhD student at IC-Unicamp        address@hidden, gnu.org}
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