Re: AC_TRY_COMPILE() annoyances with 2.63b

[Ralf Wildenhues]

* Ralf Wildenhues wrote on Tue, Apr 07, 2009 at 07:38:10AM CEST:
> 
> But that isn't what you need here.  There are situations in which you
> cannot prove whether $1 is blank or not.  In that case, we should add
> both the ":\n" as well as $1.

Actually, $1 can just expand to `#\n' (that is, comment sign plus
newline) and the shell will still report a syntax error.  If you
want to disallow the user shooting himself in the foot, then `:\n'
or `:;' is probably needed.

Cheers,
Ralf