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Re: Can't call AC_PROG_CXX conditionally

From: Ralf Corsepius
Subject: Re: Can't call AC_PROG_CXX conditionally
Date: 18 Nov 2002 17:43:45 +0100

Am Mon, 2002-11-18 um 17.17 schrieb Andreas Schwab:
> Ralf Corsepius <address@hidden> writes:
> |> Am Mon, 2002-11-18 um 14.16 schrieb Andreas Schwab:
> |> > When AC_PROG_CXX is used conditionally then the generated configure 
> script
> |> > complains that conditional "am__fastdepCXX" was never defined when
> |> > AC_PROG_CXX is not actually called.  In a real-world example this would
> |> > depend on some --enable or --with option.
> |> 
> |> Cf. http://sources.redhat.com/ml/bug-automake/2002/msg02064.html
> If I understand that correctly, there is no workaround, is there?
AFAIK, there isn't any.

IMO, this is a very severe and nasty (It hits at run-time, not at
"automake"-time) deficiency in autoconf's and automake's interaction,
which render both tools to be almost useless for C++.

> Andreas.


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