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27 Sep 2001 17:25:21 +0200
Gnus/5.0808 (Gnus v5.8.8) XEmacs/21.4 (Artificial Intelligence)
| > Raja> However, $0 may have been invoked on the path. So, if '$0' is a
| > Raja> bareword, you'll have to search $PATH for it.
| > I don't think we should support this, do you?
I did it though.
| Well one other case this matters is in the computation of $srcdir.
| configure supports the --srcdir option and also uses `dirname $0`.
| The only issue is whether --srcdir was meant to support 'configure'
| invocation from $PATH.
Ah, I missed that, thanks! Hm... Which means the test suite will soon
fail for someone, as it does exercise this, but my host is too good to
| > Raja> You also need to capture the directory of the original
| > Raja> 'configure' call so that you can figure out $srcdir from it.
| > Sorry, I don't understand this too well.
| $srcdir is computed by 'autoconf/general.m4'. However, it uses
| `dirname $0`, which will be '.' for non-$LINENO shells, irrespective
| of how the original configure was invoked (say with ../../configure).
| # Find the source files, if location was not specified.
| if test -z "$srcdir"; then
| # Try the directory containing this script, then its parent.
| dnl FIXME: should use AS_DIRNAME here once it is made DOS-friendly.
| ac_confdir=`echo "$ac_prog" | sed 's%[[\\/][^\\/][^\\/]]*$%%'`
| test "x$ac_confdir" = "x$ac_prog" && ac_confdir=.
Thanks for pointing this out! I don't know how to handle this
properly though... Maybe we should pass something like
exec AS_ORIGINAL_INVOCATION_NAME=$0 $as_me.lineno
what do you think about that? It should be configure-independent, as
it is M4sh code, not dedicated to Autoconf.
Re: 02-lineno.patch, Akim Demaille, 2001/09/27