Re: AM_COND_IF for earlier Automake

[Ralf Wildenhues]

Hello Dave,

* Stefano Lattarini wrote on Sat, Dec 18, 2010 at 11:18:04AM CET:
> On Saturday 18 December 2010, Dave Hart wrote:
> > I'd like a package I depend on to use AM_COND_IF, but it does not want
> > to demand Automake 1.11 at this point.  Does this seem like a
> > reasonable solution?

> BTW, I see that automake 1.11 also traces the macros _AM_COND_IF,
> _AM_COND_ELSE and _AM_COND_ENDIF, which are not present nor traced in
> 1.10, so my suggestion above might still be insufficient in some
> situations (if not all).

Exactly.  AC_CONFIG_* instances within AM_COND_IF arguments will be
mistreated.

> My advice is: just require Automake 1.11.  That's not unreasonable,
> since that's anyway a requirement for developers, not for users.

Agreed.

Also, your implementation shares the bug fixed in v1.11-152-g6f6e328:

  - The AM_COND_IF macro also works if the shell expression for the conditional
    is no longer valid for the condition.

Cheers,
Ralf