Mail Archives: cygwin/2009/01/04/14:22:28
Eric Blake wrote:
> According to Tim Prince on 12/23/2008 6:50 AM:
>> After installing automake, it is necessary to over-write autoconf with
>> autoconf 2.59 which is easily built from source, as gcc build requires
>> that specific version.
>
> The distro comes with a version of autoconf 2.59, and you can use the
> alternatives package to make it your primary version. Also, the normal
> autoconf installed by the distro is a wrapper script, which honors various
> environment variables to forward to the desired autoconf version on a
> per-package basis.
You're thinking of automake, not autoconf.
Automake ships every version from 1.4 to 1.10, and has an alternatives
wrapper to let you select a default as well as a script to ensure the same
version is picked to regenerate any Makefile.in as was previously used.
Autoconf ships only one version each of 2.1 and 2.5 series, currently
2.13-5 and 2.63-1, and has a wrapper script, but it only helps hide the
differences in version number within a series. You can specify
WANT_AUTOCONF=2.5 and it will select whichever one of 2.59 to 2.63 you have
installed, but you only have one of those installed.
> So you don't have to build autoconf 2.59 from scratch
> to build gcc.
No, you really do need it, either by rolling back your install, maybe using
the Cygwin Time Machine, or by building it from source.
See also: http://cygwin.com/ml/cygwin-apps/2009-01/msg00000.html
cheers,
DaveK
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