Re: AC_PATH_PROG ignores the variable

[Alexandre Duret-Lutz]

On Wed, Nov 10, 2004 at 12:02:08PM +0100, Stepan Kasal wrote:
> On Wed, Nov 10, 2004 at 10:24:40AM +0100, Alexandre Duret-Lutz wrote:
> > AC_PATH_PROGS is documented as leaving the value of the variable
> > unchanged if no program is found.
>
> I have just discovered that it actually doesn't work that way.

I stand corrected.

> > It's no big deal to change the above lines to
> >       AC_PATH_PROGS([PYTHON], _AM_PYTHON_INTERPRETER_LIST, :)
>
> Yes, that's possible,

I'll do that.

> though I think it's more natural to use
> empty variable as an indication that python was not found,

It would be contrary to the documentation of AM_PATH_PYTHON.