Re: Autoconf caches AC_INIT arguments

[Bert Wesarg]

Hi,

On Wed, May 23, 2012 at 2:17 AM, Bob Friesenhahn
<address@hidden> wrote:
> The forthcoming Automake release is about to break the means I have been
> using to automatically version my package (without manually editing
> configure.ac) for the past 9 years.  I am told to use m4 code in the AC_INIT
> arguments in order to supply package versioning information.  This is what I
> am using:
>
> AC_INIT(m4_esyscmd([scripts/pkginfo.sh package_name]),
>        m4_esyscmd([scripts/pkginfo.sh package_version]),
>        m4_esyscmd([scripts/pkginfo.sh package_bugreport]))
>
> Unfortunately, this approach works exactly once since Autoconf 2.69 is
> caching the computed arguments passed to AC_INIT.  Running 'autoconf' or
> 'autoreconf' again does not result in an updated configure script. Running
> 'autoconf --force' in the source tree seems to work.

Thanks for bringing this up. I noticed this problem also some weeks
ago, but we still use autoconf 2.68 and automake 1.11.1. I couldn't
follow it lately, but the last thing I know was that you can disable
the caching via a file named '.autom4te.cfg' besides your configure.ac
with the following content:

begin-language: "Autoconf"
args: --no-cache
end-language: "Autoconf"

Bert

>
> Bob