Re: ac_cv_prog_gcc

[Akim Demaille]

| Hello, Akim!
| > For instance if for some reason the user had
| > 
| > AC_CANONICAL_SYSTEM([This macro computes $host])(echo "$host")
| > 
| > then autoupdate with parens (the current one) will produce
| > 
| > AC_CANONICAL_TARGET([])(echo "$host")
| > 
| > which is correct, while without parens you'd produce this:
| > 
| > AC_CANONICAL_TARGET(echo "$host")
| > 
| > which is wrong.
| 
| I meant that a macro with arguments should become a macro with arguments.
| This obviously buries the idea of having two AU_ALIAS'es.
| 
| On the other hand, a macro with exactly 0 arguments should become a macro
| with 0 arguments. Macros with 0 arguments don't have parentheses, so it
| shouldn't be a problem.
| 
| I'll have a look whether it's possible to implement AU_ALIAS in such way.

Nope, if you want to do such a thing, it's in autoupdate, specifically
ac.m4, that you'll have to work.